======================================
| xx__-> [    9.079909][  T202] ------------[ cut here ]------------
| [    9.080120][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/202
| [    9.080399][  T202] Modules linked in:
| [    9.080835][  T202] Tainted: [W]=WARN
[    9.080936][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.081107][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.081280][  T202] 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
[    9.081755][  T202] RSP: 0018:ffa0000000927a80 EFLAGS: 00010286
[    9.081921][  T202] RAX: 00000000ffffffa6 RBX: ff1100000d68f540 RCX: 1ff4000000124f16
[    9.082123][  T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68f5fc
[    9.082322][  T202] RBP: ff110000087e9000 R08: 1fe2200001ad1ec1 R09: ff1100000eb28b80
[    9.082520][  T202] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.082722][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000087e9000
[    9.082920][  T202] FS:  00007f0cae149840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[    9.083156][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.083321][  T202] CR2: 0000000000479648 CR3: 000000000e88b003 CR4: 0000000000771ef0
[    9.083523][  T202] PKRU: 55555554
[    9.083623][  T202] Call Trace:
[    9.083728][  T202]  <TASK>
[    9.083798][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.083930][  T202]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.084070][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.084170][  T202]  register_netdevice (net/core/dev.c:11488)
[    9.084304][  T202]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.084466][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.084605][  T202]  register_netdev (net/core/dev.c:11552)
[    9.084742][  T202]  loopback_net_init (drivers/net/loopback.c:218)
[    9.084876][  T202]  ops_init (net/core/net_namespace.c:137)
[    9.084979][  T202]  setup_net (net/core/net_namespace.c:446)
[    9.085085][  T202]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.085214][  T202]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.085345][  T202]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.085478][  T202]  copy_net_ns (net/core/net_namespace.c:579)
[    9.085613][  T202]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.085752][  T202]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.085886][  T202]  ksys_unshare (kernel/fork.c:3243)
[    9.086016][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.086155][  T202]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.086285][  T202]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.086417][  T202]  ? __ia32_sys_open (fs/open.c:1374)
[    9.086551][  T202]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.086688][  T202]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.086820][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.086949][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.087084][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.087215][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.087376][  T202] RIP: 0033:0x7f0cae40bbcb
[    9.087516][  T202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.087989][  T202] RSP: 002b:00007ffc7d49b348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.088192][  T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0cae40bbcb
[    9.088388][  T202] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.088587][  T202] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.088788][  T202] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc7d49d570
[    9.088981][  T202] R13: 0000000000000001 R14: 00007f0cae1496f8 R15: 00007ffc7d49f888
| [    9.093687][  T202] ------------[ cut here ]------------
| [    9.093825][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/202
| [    9.094140][  T202] Modules linked in:
| [    9.094592][  T202] Tainted: [W]=WARN
[    9.094698][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.094862][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.095030][  T202] 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
[    9.095590][  T202] RSP: 0018:ffa0000000927918 EFLAGS: 00010286
[    9.095846][  T202] RAX: 00000000ffffffa6 RBX: ff11000008fec200 RCX: 1ff4000000124ee9
[    9.096045][  T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008fec2bc
[    9.096240][  T202] RBP: ff1100000846c000 R08: 1fe22000011fd859 R09: ff1100000eb28b80
[    9.096524][  T202] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.096724][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000846c000
[    9.096918][  T202] FS:  00007f0cae149840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[    9.097237][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.097401][  T202] CR2: 0000000000479648 CR3: 000000000e88b003 CR4: 0000000000771ef0
[    9.097694][  T202] PKRU: 55555554
[    9.097794][  T202] Call Trace:
[    9.097891][  T202]  <TASK>
[    9.097958][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.098095][  T202]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.098309][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.098408][  T202]  register_netdevice (net/core/dev.c:11488)
[    9.098543][  T202]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.098711][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.098930][  T202]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.099067][  T202]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.099196][  T202]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.099328][  T202]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.099546][  T202]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.099684][  T202]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.099817][  T202]  ops_init (net/core/net_namespace.c:137)
[    9.099918][  T202]  setup_net (net/core/net_namespace.c:446)
[    9.100018][  T202]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.100235][  T202]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.100364][  T202]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.100496][  T202]  copy_net_ns (net/core/net_namespace.c:579)
[    9.100632][  T202]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.100771][  T202]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.100903][  T202]  ksys_unshare (kernel/fork.c:3243)
[    9.101032][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.101166][  T202]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.101382][  T202]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.101516][  T202]  ? __ia32_sys_open (fs/open.c:1374)
[    9.101649][  T202]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.101784][  T202]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.102004][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.102138][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.102267][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.102398][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.102647][  T202] RIP: 0033:0x7f0cae40bbcb
[    9.102787][  T202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.103349][  T202] RSP: 002b:00007ffc7d49b348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.103547][  T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0cae40bbcb
[    9.103747][  T202] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.103940][  T202] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.104145][  T202] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc7d49d570
[    9.104424][  T202] R13: 0000000000000001 R14: 00007f0cae1496f8 R15: 00007ffc7d49f888
| [    9.108740][  T202] ------------[ cut here ]------------
| [    9.108877][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/202
| [    9.109110][  T202] Modules linked in:
| [    9.109614][  T202] Tainted: [W]=WARN
[    9.109725][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.109889][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.110157][  T202] 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
[    9.110725][  T202] RSP: 0018:ffa00000009278f8 EFLAGS: 00010286
[    9.110895][  T202] RAX: 00000000ffffffa6 RBX: ff1100000dd00900 RCX: 1ff4000000124ee5
[    9.111096][  T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd009bc
[    9.111381][  T202] RBP: ff11000008c84000 R08: 1fe2200001ba0139 R09: ff1100000eb28b80
[    9.111579][  T202] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.111872][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008c84000
[    9.112073][  T202] FS:  00007f0cae149840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[    9.112301][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.112557][  T202] CR2: 0000000000479648 CR3: 000000000e88b003 CR4: 0000000000771ef0
[    9.112765][  T202] PKRU: 55555554
[    9.112863][  T202] Call Trace:
[    9.112960][  T202]  <TASK>
[    9.113028][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.113250][  T202]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.113382][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.113483][  T202]  register_netdevice (net/core/dev.c:11488)
[    9.113618][  T202]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.113792][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.113925][  T202]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.114061][  T202]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.114192][  T202]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.114326][  T202]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.114458][  T202]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.114595][  T202]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.114814][  T202]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.114953][  T202]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.115088][  T202]  ops_init (net/core/net_namespace.c:137)
[    9.115189][  T202]  setup_net (net/core/net_namespace.c:446)
[    9.115296][  T202]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.115515][  T202]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.115646][  T202]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.115784][  T202]  copy_net_ns (net/core/net_namespace.c:579)
[    9.115921][  T202]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.116147][  T202]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.116285][  T202]  ksys_unshare (kernel/fork.c:3243)
[    9.116416][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.116549][  T202]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.116773][  T202]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.116905][  T202]  ? __ia32_sys_open (fs/open.c:1374)
[    9.117049][  T202]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.117180][  T202]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.117403][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.117536][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.117674][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.117805][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.118060][  T202] RIP: 0033:0x7f0cae40bbcb
[    9.118197][  T202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.118768][  T202] RSP: 002b:00007ffc7d49b348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.118965][  T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0cae40bbcb
[    9.119254][  T202] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.119460][  T202] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.119662][  T202] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc7d49d570
[    9.119946][  T202] R13: 0000000000000001 R14: 00007f0cae1496f8 R15: 00007ffc7d49f888
| [    9.124430][  T202] ------------[ cut here ]------------
| [    9.124577][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/202
| [    9.124808][  T202] Modules linked in:
| [    9.125177][  T202] Tainted: [W]=WARN
[    9.125363][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.125535][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.125708][  T202] 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
[    9.126269][  T202] RSP: 0018:ffa0000000927a78 EFLAGS: 00010286
[    9.126431][  T202] RAX: 00000000ffffffa6 RBX: ff1100000dd01700 RCX: 1ff4000000124f15
[    9.126726][  T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd017bc
[    9.126919][  T202] RBP: ff1100000fc74000 R08: 1fe2200001ba02f9 R09: ff1100000eb28b80
[    9.127205][  T202] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.127398][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc74000
[    9.127601][  T202] FS:  00007f0cae149840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[    9.127917][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.128084][  T202] CR2: 0000000000479648 CR3: 000000000e88b003 CR4: 0000000000771ef0
[    9.128278][  T202] PKRU: 55555554
[    9.128460][  T202] Call Trace:
[    9.128567][  T202]  <TASK>
[    9.128634][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.128769][  T202]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.128899][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.129090][  T202]  register_netdevice (net/core/dev.c:11488)
[    9.129221][  T202]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.129380][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.129519][  T202]  register_netdev (net/core/dev.c:11552)
[    9.129739][  T202]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.129871][  T202]  ops_init (net/core/net_namespace.c:137)
[    9.129970][  T202]  setup_net (net/core/net_namespace.c:446)
[    9.130075][  T202]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.130288][  T202]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.130417][  T202]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.130557][  T202]  copy_net_ns (net/core/net_namespace.c:579)
[    9.130694][  T202]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.130910][  T202]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.131047][  T202]  ksys_unshare (kernel/fork.c:3243)
[    9.131179][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.131307][  T202]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.131526][  T202]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.131670][  T202]  ? __ia32_sys_open (fs/open.c:1374)
[    9.131801][  T202]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.131931][  T202]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.132150][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.132279][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.132408][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.132551][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.132719][  T202] RIP: 0033:0x7f0cae40bbcb
[    9.132854][  T202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.133317][  T202] RSP: 002b:00007ffc7d49b348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.133521][  T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0cae40bbcb
[    9.133804][  T202] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.133997][  T202] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.134195][  T202] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc7d49d570
[    9.134482][  T202] R13: 0000000000000001 R14: 00007f0cae1496f8 R15: 00007ffc7d49f888
| [    9.139018][  T202] ------------[ cut here ]------------
| [    9.139162][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/202
| [    9.139470][  T202] Modules linked in:
| [    9.139847][  T202] Tainted: [W]=WARN
[    9.140032][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.140200][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.140369][  T202] 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
[    9.140936][  T202] RSP: 0018:ffa0000000927a68 EFLAGS: 00010286
[    9.141106][  T202] RAX: 00000000ffffffa6 RBX: ff11000008fed540 RCX: 1ff4000000124f13
[    9.141387][  T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008fed5fc
[    9.141581][  T202] RBP: ff1100000e9a9000 R08: 1fe22000011fdac1 R09: ff1100000eb28b80
[    9.141873][  T202] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.142071][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e9a9000
[    9.142266][  T202] FS:  00007f0cae149840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[    9.142584][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.142759][  T202] CR2: 0000000000479648 CR3: 000000000e88b003 CR4: 0000000000771ef0
[    9.142954][  T202] PKRU: 55555554
[    9.143139][  T202] Call Trace:
[    9.143238][  T202]  <TASK>
[    9.143305][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.143436][  T202]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.143569][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.143680][  T202]  register_netdevice (net/core/dev.c:11488)
[    9.143812][  T202]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.143976][  T202]  register_netdev (net/core/dev.c:11552)
[    9.144112][  T202]  sit_init_net (net/ipv6/sit.c:1860)
[    9.144245][  T202]  ops_init (net/core/net_namespace.c:137)
[    9.144345][  T202]  setup_net (net/core/net_namespace.c:446)
[    9.144443][  T202]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.144582][  T202]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.144800][  T202]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.144932][  T202]  copy_net_ns (net/core/net_namespace.c:579)
[    9.145068][  T202]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.145200][  T202]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.145330][  T202]  ksys_unshare (kernel/fork.c:3243)
[    9.145553][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.145688][  T202]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.145817][  T202]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.145947][  T202]  ? __ia32_sys_open (fs/open.c:1374)
[    9.146169][  T202]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.146334][  T202]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.146463][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.146600][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.146820][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.146949][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.147113][  T202] RIP: 0033:0x7f0cae40bbcb
[    9.147338][  T202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.147823][  T202] RSP: 002b:00007ffc7d49b348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.148109][  T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0cae40bbcb
[    9.148300][  T202] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.148587][  T202] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.148797][  T202] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc7d49d570
[    9.148989][  T202] R13: 0000000000000001 R14: 00007f0cae1496f8 R15: 00007ffc7d49f888
| [    9.154548][  T202] ------------[ cut here ]------------
| [    9.154692][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/202
| [    9.154917][  T202] Modules linked in:
| [    9.155286][  T202] Tainted: [W]=WARN
[    9.155389][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.155556][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.155823][  T202] 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
[    9.156391][  T202] RSP: 0018:ffa0000000927a78 EFLAGS: 00010286
[    9.156559][  T202] RAX: 00000000ffffffa6 RBX: ff110000109cc900 RCX: 1ff4000000124f15
[    9.156757][  T202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109cc9bc
[    9.157042][  T202] RBP: ff1100000e81c000 R08: 1fe2200002139939 R09: ff1100000eb28b80
[    9.157241][  T202] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.157440][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e81c000
[    9.157731][  T202] FS:  00007f0cae149840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[    9.157958][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.158212][  T202] CR2: 0000000000479648 CR3: 000000000e88b003 CR4: 0000000000771ef0
[    9.158420][  T202] PKRU: 55555554
[    9.158519][  T202] Call Trace:
[    9.158619][  T202]  <TASK>
[    9.158692][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.158908][  T202]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.159043][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.159143][  T202]  register_netdevice (net/core/dev.c:11488)
[    9.159278][  T202]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.159534][  T202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.159669][  T202]  register_netdev (net/core/dev.c:11552)
[    9.159799][  T202]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.159931][  T202]  ops_init (net/core/net_namespace.c:137)
[    9.160121][  T202]  setup_net (net/core/net_namespace.c:446)
[    9.160219][  T202]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.160348][  T202]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.160487][  T202]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.160713][  T202]  copy_net_ns (net/core/net_namespace.c:579)
[    9.160846][  T202]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.160977][  T202]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.161112][  T202]  ksys_unshare (kernel/fork.c:3243)
[    9.161329][  T202]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.161468][  T202]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.161601][  T202]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.161737][  T202]  ? __ia32_sys_open (fs/open.c:1374)
[    9.161954][  T202]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.162087][  T202]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.162216][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.162345][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.162570][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.162711][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.162871][  T202] RIP: 0033:0x7f0cae40bbcb
[    9.163007][  T202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.163570][  T202] RSP: 002b:00007ffc7d49b348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.163866][  T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f0cae40bbcb
[    9.164064][  T202] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.164256][  T202] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.164545][  T202] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc7d49d570
[    9.164748][  T202] R13: 0000000000000001 R14: 00007f0cae1496f8 R15: 00007ffc7d49f888
| [    9.197026][  T203] ------------[ cut here ]------------
| [    9.197177][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/203
| [    9.197403][  T203] Modules linked in:
| [    9.198432][  T203] Tainted: [W]=WARN
[    9.198536][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.198750][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.198918][  T203] 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
[    9.199378][  T203] RSP: 0018:ffa0000000937020 EFLAGS: 00010286
[    9.199544][  T203] RAX: 00000000ffffffa6 RBX: ff1100000611a040 RCX: 1ff4000000126dca
[    9.199789][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000611a0fc
[    9.199980][  T203] RBP: ff110000087e9000 R08: 1fe2200000c23421 R09: ff1100000eb2ae58
[    9.200177][  T203] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.200368][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.200627][  T203] FS:  00007fc355d6f840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[    9.200876][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.201042][  T203] CR2: 0000000011af2988 CR3: 000000000e9d6001 CR4: 0000000000771ef0
[    9.201238][  T203] PKRU: 55555554
[    9.201334][  T203] Call Trace:
[    9.201432][  T203]  <TASK>
[    9.201499][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.201634][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.201738][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.201866][  T203]  __dev_notify_flags (net/core/dev.c:9787)
[    9.201995][  T203]  ? netif_change_name (net/core/dev.c:1495)
[    9.202129][  T203]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.202257][  T203]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.202385][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.202517][  T203]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.202647][  T203]  netif_change_flags (net/core/dev.c:9820)
[    9.202781][  T203]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.202910][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.203045][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.203175][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.203337][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.203464][  T203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.203595][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.203727][  T203]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.203857][  T203]  ? __kernel_text_address (kernel/extable.c:79)
[    9.203985][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.204118][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.204245][  T203]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.204373][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.204503][  T203]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.204631][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.204761][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.204889][  T203]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.205018][  T203]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.205152][  T203]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.205279][  T203]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.205408][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.205541][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.205677][  T203]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.205807][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.205935][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.206067][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.206195][  T203]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.206321][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.206450][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.206577][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.206710][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.206840][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.206969][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.207102][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.207229][  T203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.207355][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.207486][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.207618][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.207750][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.207878][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.208006][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.208138][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.208271][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.208399][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.208532][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.208665][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.208795][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.208924][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.209055][  T203]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.209186][  T203]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.209317][  T203]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.209445][  T203]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.209575][  T203]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.209738][  T203]  ? move_addr_to_kernel (net/socket.c:258)
[    9.209867][  T203]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.209994][  T203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.210171][  T203]  ___sys_sendmsg (net/socket.c:2752)
[    9.210298][  T203]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.210457][  T203]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.210600][  T203]  __sys_sendmsg (net/socket.c:2784)
[    9.210736][  T203]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.210864][  T203]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.211034][  T203]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.211167][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.211296][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.211422][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.211553][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.211685][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.211850][  T203] RIP: 0033:0x7fc355fa908e
[    9.211984][  T203] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.212440][  T203] RSP: 002b:00007ffe3d01aaa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.212642][  T203] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc355fa908e
[    9.212839][  T203] RDX: 0000000000000000 RSI: 00007ffe3d01ab50 RDI: 0000000000000005
[    9.213030][  T203] RBP: 00007ffe3d01aab0 R08: 0000000000000000 R09: 0000000000000000
[    9.213227][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d833
[    9.213416][  T203] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3d01b220
| [    9.336713][  T207] ------------[ cut here ]------------
| [    9.336864][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/207
| [    9.337104][  T207] Modules linked in:
| [    9.337468][  T207] Tainted: [W]=WARN
[    9.337571][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.337739][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.337909][  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
[    9.338374][  T207] RSP: 0018:ffa0000000977a80 EFLAGS: 00010286
[    9.338540][  T207] RAX: 00000000ffffffa6 RBX: ff1100000cdc4e40 RCX: 1ff400000012ef16
[    9.338737][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdc4efc
[    9.338930][  T207] RBP: ff110000079cc000 R08: 1fe22000019b89e1 R09: ff110000100f5180
[    9.339126][  T207] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.339317][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000079cc000
[    9.339515][  T207] FS:  00007f23a1d2e840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[    9.339747][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.339910][  T207] CR2: 00007f23a1f2fc20 CR3: 000000001010f001 CR4: 0000000000771ef0
[    9.340111][  T207] PKRU: 55555554
[    9.340207][  T207] Call Trace:
[    9.340309][  T207]  <TASK>
[    9.340377][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.340511][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.340641][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.340746][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.340878][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.341046][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.341178][  T207]  register_netdev (net/core/dev.c:11552)
[    9.341307][  T207]  loopback_net_init (drivers/net/loopback.c:218)
[    9.341438][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.341542][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.341643][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.341832][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.342015][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.342151][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.342283][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.342415][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.342548][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.342735][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.342865][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.342993][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.343130][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.343261][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.343389][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.343520][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.343707][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.343837][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.343964][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.344130][  T207] RIP: 0033:0x7f23a1ff0bcb
[    9.344265][  T207] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.344783][  T207] RSP: 002b:00007ffd81192ce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.344977][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f23a1ff0bcb
[    9.345174][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.345365][  T207] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.345562][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd81194f10
[    9.345808][  T207] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd81196887
| [    9.355141][  T207] ------------[ cut here ]------------
| [    9.355278][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/207
| [    9.355500][  T207] Modules linked in:
| [    9.355866][  T207] Tainted: [W]=WARN
[    9.355963][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.356129][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.356294][  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
[    9.356760][  T207] RSP: 0018:ffa0000000977918 EFLAGS: 00010286
[    9.356921][  T207] RAX: 00000000ffffffa6 RBX: ff11000004da0ac0 RCX: 1ff400000012eee9
[    9.357115][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004da0b7c
[    9.357305][  T207] RBP: ff11000010afc000 R08: 1fe22000009b4171 R09: ff110000100f5180
[    9.357497][  T207] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.357694][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010afc000
[    9.357886][  T207] FS:  00007f23a1d2e840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[    9.358115][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.358275][  T207] CR2: 00007f23a1f2fc20 CR3: 000000001010f001 CR4: 0000000000771ef0
[    9.358467][  T207] PKRU: 55555554
[    9.358567][  T207] Call Trace:
[    9.358665][  T207]  <TASK>
[    9.358732][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.358861][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.358989][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.359094][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.359224][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.359383][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.359516][  T207]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.359645][  T207]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.359777][  T207]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.359906][  T207]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.360035][  T207]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.360170][  T207]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.360298][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.360396][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.360493][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.360623][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.360761][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.360890][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.361018][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.361154][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.361281][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.361409][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.361539][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.361670][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.361798][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.361927][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.362059][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.362186][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.362312][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.362438][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.362569][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.362730][  T207] RIP: 0033:0x7f23a1ff0bcb
[    9.362862][  T207] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.363320][  T207] RSP: 002b:00007ffd81192ce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.363514][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f23a1ff0bcb
[    9.363708][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.363899][  T207] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.364092][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd81194f10
[    9.364282][  T207] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd81196887
| [    9.368978][  T207] ------------[ cut here ]------------
| [    9.369120][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/207
| [    9.369347][  T207] Modules linked in:
| [    9.369715][  T207] Tainted: [W]=WARN
[    9.369813][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.369976][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.370152][  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
[    9.370617][  T207] RSP: 0018:ffa00000009778f8 EFLAGS: 00010286
[    9.370785][  T207] RAX: 00000000ffffffa6 RBX: ff1100000ce11380 RCX: 1ff400000012eee5
[    9.370979][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce1143c
[    9.371178][  T207] RBP: ff110000026b4000 R08: 1fe22000019c2289 R09: ff110000100f5180
[    9.371371][  T207] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.371567][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000026b4000
[    9.371767][  T207] FS:  00007f23a1d2e840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[    9.371995][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.372164][  T207] CR2: 00007f23a1f2fc20 CR3: 000000001010f001 CR4: 0000000000771ef0
[    9.372360][  T207] PKRU: 55555554
[    9.372457][  T207] Call Trace:
[    9.372557][  T207]  <TASK>
[    9.372624][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.372761][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.372890][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.372990][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.373128][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.373289][  T207]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.373420][  T207]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.373553][  T207]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.373687][  T207]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.373818][  T207]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.373948][  T207]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.374086][  T207]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.374216][  T207]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.374348][  T207]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.374478][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.374580][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.374684][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.374813][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.374943][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.375082][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.375214][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.375347][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.375479][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.375609][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.375744][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.375873][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.376005][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.376144][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.376273][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.376404][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.376536][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.376724][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.376854][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.377014][  T207] RIP: 0033:0x7f23a1ff0bcb
[    9.377155][  T207] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.377619][  T207] RSP: 002b:00007ffd81192ce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.377860][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f23a1ff0bcb
[    9.378061][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.378254][  T207] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.378447][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd81194f10
[    9.378643][  T207] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd81196887
| [    9.383476][  T207] ------------[ cut here ]------------
| [    9.383666][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/207
| [    9.383943][  T207] Modules linked in:
| [    9.384405][  T207] Tainted: [W]=WARN
[    9.384557][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.384780][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.384999][  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
[    9.385516][  T207] RSP: 0018:ffa0000000977a78 EFLAGS: 00010286
[    9.385744][  T207] RAX: 00000000ffffffa6 RBX: ff1100000cbfe3c0 RCX: 1ff400000012ef15
[    9.385986][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cbfe47c
[    9.386236][  T207] RBP: ff1100000a9ec000 R08: 1fe220000197fc91 R09: ff110000100f5180
[    9.386475][  T207] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.386732][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a9ec000
[    9.386975][  T207] FS:  00007f23a1d2e840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[    9.387258][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.387467][  T207] CR2: 00007f39f06d3000 CR3: 000000001010f004 CR4: 0000000000771ef0
[    9.387729][  T207] PKRU: 55555554
[    9.387874][  T207] Call Trace:
[    9.388017][  T207]  <TASK>
[    9.388142][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.388322][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.388498][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.388667][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.388846][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.389058][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.389239][  T207]  register_netdev (net/core/dev.c:11552)
[    9.389416][  T207]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.389606][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.389767][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.389914][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.390099][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.390276][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.390454][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.390641][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.390837][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.391015][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.391201][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.391377][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.391562][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.391752][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.391931][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.392120][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.392296][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.392473][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.392666][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.392845][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.393060][  T207] RIP: 0033:0x7f23a1ff0bcb
[    9.393242][  T207] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.393767][  T207] RSP: 002b:00007ffd81192ce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.394009][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f23a1ff0bcb
[    9.394257][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.394499][  T207] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.394758][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd81194f10
[    9.394997][  T207] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd81196887
| [    9.399545][  T207] ------------[ cut here ]------------
| [    9.399730][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/207
| [    9.400002][  T207] Modules linked in:
| [    9.400463][  T207] Tainted: [W]=WARN
[    9.400616][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.400834][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.401057][  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
[    9.401573][  T207] RSP: 0018:ffa0000000977a68 EFLAGS: 00010286
[    9.401798][  T207] RAX: 00000000ffffffa6 RBX: ff1100000d1fb000 RCX: 1ff400000012ef13
[    9.402045][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1fb0bc
[    9.402287][  T207] RBP: ff1100000e859000 R08: 1fe2200001a3f619 R09: ff110000100f5180
[    9.402529][  T207] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.402786][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e859000
[    9.403029][  T207] FS:  00007f23a1d2e840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[    9.403312][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.403524][  T207] CR2: 00007f39f06d3000 CR3: 000000001010f004 CR4: 0000000000771ef0
[    9.403783][  T207] PKRU: 55555554
[    9.403927][  T207] Call Trace:
[    9.404079][  T207]  <TASK>
[    9.404195][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.404376][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.404562][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.404723][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.404903][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.405123][  T207]  register_netdev (net/core/dev.c:11552)
[    9.405301][  T207]  sit_init_net (net/ipv6/sit.c:1860)
[    9.405480][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.405632][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.405791][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.405966][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.406151][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.406334][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.406516][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.406707][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.406885][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.407070][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.407247][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.407424][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.407615][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.407804][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.407980][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.408165][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.408342][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.408522][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.408714][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.408922][  T207] RIP: 0033:0x7f23a1ff0bcb
[    9.409116][  T207] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.409628][  T207] RSP: 002b:00007ffd81192ce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.409882][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f23a1ff0bcb
[    9.410134][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.410374][  T207] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.410619][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd81194f10
[    9.410867][  T207] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd81196887
| [    9.415916][  T207] ------------[ cut here ]------------
| [    9.416100][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/207
| [    9.416373][  T207] Modules linked in:
| [    9.416849][  T207] Tainted: [W]=WARN
[    9.416994][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.417213][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.417430][  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
[    9.418496][  T207] RSP: 0018:ffa0000000977a78 EFLAGS: 00010286
[    9.418783][  T207] RAX: 00000000ffffffa6 RBX: ff11000010842200 RCX: 1ff400000012ef15
[    9.419097][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000108422bc
[    9.419395][  T207] RBP: ff1100000e44c000 R08: 1fe2200002108459 R09: ff110000100f5180
[    9.419713][  T207] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.420007][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e44c000
[    9.420313][  T207] FS:  00007f23a1d2e840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[    9.420709][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.420973][  T207] CR2: 00007f39f06d3000 CR3: 000000001010f004 CR4: 0000000000771ef0
[    9.421276][  T207] PKRU: 55555554
[    9.421471][  T207] Call Trace:
[    9.421690][  T207]  <TASK>
[    9.421859][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.422098][  T207]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.422331][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.422542][  T207]  register_netdevice (net/core/dev.c:11488)
[    9.422788][  T207]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.423057][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.423289][  T207]  register_netdev (net/core/dev.c:11552)
[    9.423532][  T207]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.423776][  T207]  ops_init (net/core/net_namespace.c:137)
[    9.423976][  T207]  setup_net (net/core/net_namespace.c:446)
[    9.424189][  T207]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.424419][  T207]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.424672][  T207]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.424905][  T207]  copy_net_ns (net/core/net_namespace.c:579)
[    9.425143][  T207]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.425375][  T207]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.425616][  T207]  ksys_unshare (kernel/fork.c:3243)
[    9.425858][  T207]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.426094][  T207]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.426327][  T207]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.426570][  T207]  ? __ia32_sys_open (fs/open.c:1374)
[    9.426815][  T207]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.427052][  T207]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.427281][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.427519][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.427759][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.427988][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.428264][  T207] RIP: 0033:0x7f23a1ff0bcb
[    9.428507][  T207] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.429095][  T207] RSP: 002b:00007ffd81192ce8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.429393][  T207] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f23a1ff0bcb
[    9.429708][  T207] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.430000][  T207] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.430303][  T207] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd81194f10
[    9.430605][  T207] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd81196887
| [    9.460700][  T208] ------------[ cut here ]------------
| [    9.460877][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/208
| [    9.461160][  T208] Modules linked in:
| [    9.461625][  T208] Tainted: [W]=WARN
[    9.461786][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.461992][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.462216][  T208] 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
[    9.462738][  T208] RSP: 0018:ffa0000000987020 EFLAGS: 00010286
[    9.462947][  T208] RAX: 00000000ffffffa6 RBX: ff11000010842e40 RCX: 1ff4000000130dca
[    9.463193][  T208] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010842efc
[    9.463430][  T208] RBP: ff110000079cc000 R08: 1fe22000021085e1 R09: ff110000100d8b58
[    9.463688][  T208] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    9.463929][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.464178][  T208] FS:  00007f13f8c93840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[    9.464451][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.464678][  T208] CR2: 0000000003327988 CR3: 0000000010abb001 CR4: 0000000000771ef0
[    9.464922][  T208] PKRU: 55555554
[    9.465072][  T208] Call Trace:
[    9.465216][  T208]  <TASK>
[    9.465330][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.465512][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.465673][  T208]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.465847][  T208]  __dev_notify_flags (net/core/dev.c:9787)
[    9.466026][  T208]  ? netif_change_name (net/core/dev.c:1495)
[    9.466230][  T208]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.466407][  T208]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.466591][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.466782][  T208]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.466961][  T208]  netif_change_flags (net/core/dev.c:9820)
[    9.467151][  T208]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.467327][  T208]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.467513][  T208]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.467704][  T208]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.467913][  T208]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.468097][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.468275][  T208]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.468452][  T208]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.468641][  T208]  ? __kernel_text_address (kernel/extable.c:79)
[    9.468832][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.469010][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.469194][  T208]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.469372][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.469557][  T208]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.469746][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.469922][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.470111][  T208]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.470289][  T208]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.470466][  T208]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.470663][  T208]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.470840][  T208]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.471019][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.471209][  T208]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.471387][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.471573][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.471764][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.471940][  T208]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.472124][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.472304][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.472479][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.472676][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.472858][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.473034][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.473220][  T208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.473396][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.473581][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.473768][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.473946][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.474131][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.474316][  T208]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.474494][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.474691][  T208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.474872][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.475055][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.475236][  T208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.475414][  T208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.475601][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.475792][  T208]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.475970][  T208]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.476152][  T208]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.476331][  T208]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.476511][  T208]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.476703][  T208]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.476910][  T208]  ? move_addr_to_kernel (net/socket.c:258)
[    9.477099][  T208]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.477279][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.477459][  T208]  ___sys_sendmsg (net/socket.c:2752)
[    9.477642][  T208]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.477863][  T208]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.478060][  T208]  __sys_sendmsg (net/socket.c:2784)
[    9.478241][  T208]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.478419][  T208]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.478638][  T208]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.478828][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.479005][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.479187][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.479362][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.479546][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.479766][  T208] RIP: 0033:0x7f13f8ecd08e
[    9.479947][  T208] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.480460][  T208] RSP: 002b:00007ffe77bcde00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.480725][  T208] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f13f8ecd08e
[    9.480964][  T208] RDX: 0000000000000000 RSI: 00007ffe77bcdeb0 RDI: 0000000000000005
[    9.481210][  T208] RBP: 00007ffe77bcde10 R08: 0000000000000000 R09: 0000000000000000
[    9.481450][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d833
[    9.481708][  T208] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe77bce580
| [    9.598120][  T212] ------------[ cut here ]------------
| [    9.598268][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/212
| [    9.598496][  T212] Modules linked in:
| [    9.598872][  T212] Tainted: [W]=WARN
[    9.598969][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.599138][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.599306][  T212] 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
[    9.599781][  T212] RSP: 0018:ffa00000009c7a80 EFLAGS: 00010286
[    9.599943][  T212] RAX: 00000000ffffffa6 RBX: ff1100000cdc5c40 RCX: 1ff4000000138f16
[    9.600144][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdc5cfc
[    9.600338][  T212] RBP: ff1100000814c000 R08: 1fe22000019b8ba1 R09: ff11000010050b80
[    9.600536][  T212] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.600731][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000814c000
[    9.600925][  T212] FS:  00007f715578e840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[    9.601157][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.601320][  T212] CR2: 00007f715598fc20 CR3: 00000000108fc003 CR4: 0000000000771ef0
[    9.601516][  T212] PKRU: 55555554
[    9.601612][  T212] Call Trace:
[    9.601714][  T212]  <TASK>
[    9.601781][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.601911][  T212]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.602048][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.602148][  T212]  register_netdevice (net/core/dev.c:11488)
[    9.602279][  T212]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.602442][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.602576][  T212]  register_netdev (net/core/dev.c:11552)
[    9.602710][  T212]  loopback_net_init (drivers/net/loopback.c:218)
[    9.602841][  T212]  ops_init (net/core/net_namespace.c:137)
[    9.602940][  T212]  setup_net (net/core/net_namespace.c:446)
[    9.603043][  T212]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.603174][  T212]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.603304][  T212]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.603435][  T212]  copy_net_ns (net/core/net_namespace.c:579)
[    9.603569][  T212]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.603705][  T212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.603835][  T212]  ksys_unshare (kernel/fork.c:3243)
[    9.603967][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.604104][  T212]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.604234][  T212]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.604366][  T212]  ? __ia32_sys_open (fs/open.c:1374)
[    9.604498][  T212]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.604631][  T212]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.604764][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.604894][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.605025][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.605161][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.605322][  T212] RIP: 0033:0x7f7155a50bcb
[    9.605457][  T212] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.605928][  T212] RSP: 002b:00007ffc803851f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.606129][  T212] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7155a50bcb
[    9.606321][  T212] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.606515][  T212] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.606713][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc80387420
[    9.606906][  T212] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc80387887
| [    9.611149][  T212] ------------[ cut here ]------------
| [    9.611285][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/212
| [    9.611513][  T212] Modules linked in:
| [    9.612454][  T212] Tainted: [W]=WARN
[    9.612558][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.612786][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.612954][  T212] 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
[    9.613416][  T212] RSP: 0018:ffa00000009c7918 EFLAGS: 00010286
[    9.613581][  T212] RAX: 00000000ffffffa6 RBX: ff1100000d1fb8c0 RCX: 1ff4000000138ee9
[    9.613827][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1fb97c
[    9.614069][  T212] RBP: ff11000012019000 R08: 1fe2200001a3f731 R09: ff11000010050b80
[    9.614262][  T212] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.614453][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012019000
[    9.614649][  T212] FS:  00007f715578e840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[    9.614880][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.615045][  T212] CR2: 00007f715598fc20 CR3: 00000000108fc003 CR4: 0000000000771ef0
[    9.615240][  T212] PKRU: 55555554
[    9.615336][  T212] Call Trace:
[    9.615433][  T212]  <TASK>
[    9.615503][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.615633][  T212]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.615766][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.615865][  T212]  register_netdevice (net/core/dev.c:11488)
[    9.615995][  T212]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.616160][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.616290][  T212]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.616418][  T212]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.616549][  T212]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.616686][  T212]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.616815][  T212]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.616946][  T212]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.617080][  T212]  ops_init (net/core/net_namespace.c:137)
[    9.617179][  T212]  setup_net (net/core/net_namespace.c:446)
[    9.617276][  T212]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.617404][  T212]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.617537][  T212]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.617671][  T212]  copy_net_ns (net/core/net_namespace.c:579)
[    9.617801][  T212]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.617933][  T212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.618070][  T212]  ksys_unshare (kernel/fork.c:3243)
[    9.618198][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.618326][  T212]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.618456][  T212]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.618590][  T212]  ? __ia32_sys_open (fs/open.c:1374)
[    9.618727][  T212]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.618856][  T212]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.618984][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.619116][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.619247][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.619375][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.619538][  T212] RIP: 0033:0x7f7155a50bcb
[    9.619677][  T212] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.620140][  T212] RSP: 002b:00007ffc803851f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.620334][  T212] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7155a50bcb
[    9.620529][  T212] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.620726][  T212] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.620919][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc80387420
[    9.621116][  T212] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc80387887
| [    9.632317][  T212] ------------[ cut here ]------------
| [    9.632455][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/212
| [    9.632695][  T212] Modules linked in:
| [    9.633065][  T212] Tainted: [W]=WARN
[    9.633164][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.633326][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.633496][  T212] 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
[    9.633968][  T212] RSP: 0018:ffa00000009c78f8 EFLAGS: 00010286
[    9.634139][  T212] RAX: 00000000ffffffa6 RBX: ff11000005ed8c80 RCX: 1ff4000000138ee5
[    9.634334][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005ed8d3c
[    9.634533][  T212] RBP: ff11000012031000 R08: 1fe2200000bdb1a9 R09: ff11000010050b80
[    9.634731][  T212] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.634926][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012031000
[    9.635128][  T212] FS:  00007f715578e840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[    9.635358][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.635525][  T212] CR2: 00007f715598fc20 CR3: 00000000108fc003 CR4: 0000000000771ef0
[    9.635728][  T212] PKRU: 55555554
[    9.635826][  T212] Call Trace:
[    9.635923][  T212]  <TASK>
[    9.635990][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.636128][  T212]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.636259][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.636358][  T212]  register_netdevice (net/core/dev.c:11488)
[    9.636491][  T212]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.636662][  T212]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.636794][  T212]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.636925][  T212]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.637063][  T212]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.637196][  T212]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.637327][  T212]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.637458][  T212]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.637593][  T212]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.637772][  T212]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.637905][  T212]  ops_init (net/core/net_namespace.c:137)
[    9.638005][  T212]  setup_net (net/core/net_namespace.c:446)
[    9.638111][  T212]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.638241][  T212]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.638370][  T212]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.638505][  T212]  copy_net_ns (net/core/net_namespace.c:579)
[    9.638637][  T212]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.638775][  T212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.638907][  T212]  ksys_unshare (kernel/fork.c:3243)
[    9.639044][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.639176][  T212]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.639306][  T212]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.639437][  T212]  ? __ia32_sys_open (fs/open.c:1374)
[    9.639573][  T212]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.639707][  T212]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.639837][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.639967][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.640107][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.640237][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.640398][  T212] RIP: 0033:0x7f7155a50bcb
[    9.640537][  T212] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.641004][  T212] RSP: 002b:00007ffc803851f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.641206][  T212] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7155a50bcb
[    9.641400][  T212] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.641598][  T212] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.641796][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc80387420
[    9.641992][  T212] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc80387887
| [    9.645994][  T212] ------------[ cut here ]------------
| [    9.646137][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/212
| [    9.646361][  T212] Modules linked in:
| [    9.646729][  T212] Tainted: [W]=WARN
[    9.646828][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.646988][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.647163][  T212] 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
[    9.647626][  T212] RSP: 0018:ffa00000009c7a78 EFLAGS: 00010286
[    9.647807][  T212] RAX: 00000000ffffffa6 RBX: ff1100000c7d3a80 RCX: 1ff4000000138f15
[    9.648000][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7d3b3c
[    9.648199][  T212] RBP: ff1100000ea69000 R08: 1fe22000018fa769 R09: ff11000010050b80
[    9.648390][  T212] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.648586][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ea69000
[    9.648785][  T212] FS:  00007f715578e840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[    9.649011][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.649178][  T212] CR2: 00007f715598fc20 CR3: 00000000108fc003 CR4: 0000000000771ef0
[    9.649374][  T212] PKRU: 55555554
[    9.649471][  T212] Call Trace:
[    9.649572][  T212]  <TASK>
[    9.649638][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.649771][  T212]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.649900][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.649999][  T212]  register_netdevice (net/core/dev.c:11488)
[    9.650136][  T212]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.650298][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.650429][  T212]  register_netdev (net/core/dev.c:11552)
[    9.650562][  T212]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.650697][  T212]  ops_init (net/core/net_namespace.c:137)
[    9.650796][  T212]  setup_net (net/core/net_namespace.c:446)
[    9.650895][  T212]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.651023][  T212]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.651161][  T212]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.651292][  T212]  copy_net_ns (net/core/net_namespace.c:579)
[    9.651422][  T212]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.651558][  T212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.651692][  T212]  ksys_unshare (kernel/fork.c:3243)
[    9.651821][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.651950][  T212]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.652085][  T212]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.652215][  T212]  ? __ia32_sys_open (fs/open.c:1374)
[    9.652345][  T212]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.652473][  T212]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.652606][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.652740][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.652868][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.652997][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.653164][  T212] RIP: 0033:0x7f7155a50bcb
[    9.653297][  T212] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.653764][  T212] RSP: 002b:00007ffc803851f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.653958][  T212] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7155a50bcb
[    9.654157][  T212] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.654349][  T212] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.654543][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc80387420
[    9.654740][  T212] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc80387887
| [    9.658841][  T212] ------------[ cut here ]------------
| [    9.658973][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/212
| [    9.659202][  T212] Modules linked in:
| [    9.659566][  T212] Tainted: [W]=WARN
[    9.659669][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.659831][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.660001][  T212] 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
[    9.660469][  T212] RSP: 0018:ffa00000009c7a68 EFLAGS: 00010286
[    9.660637][  T212] RAX: 00000000ffffffa6 RBX: ff1100000c7d2c80 RCX: 1ff4000000138f13
[    9.660836][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7d2d3c
[    9.661030][  T212] RBP: ff11000012041000 R08: 1fe22000018fa5a9 R09: ff11000010050b80
[    9.661231][  T212] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.661425][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012041000
[    9.661624][  T212] FS:  00007f715578e840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[    9.661857][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.662019][  T212] CR2: 00007f715598fc20 CR3: 00000000108fc003 CR4: 0000000000771ef0
[    9.662217][  T212] PKRU: 55555554
[    9.662313][  T212] Call Trace:
[    9.662410][  T212]  <TASK>
[    9.662477][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.662611][  T212]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.662746][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.662846][  T212]  register_netdevice (net/core/dev.c:11488)
[    9.662978][  T212]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.663148][  T212]  register_netdev (net/core/dev.c:11552)
[    9.663278][  T212]  sit_init_net (net/ipv6/sit.c:1860)
[    9.663411][  T212]  ops_init (net/core/net_namespace.c:137)
[    9.663514][  T212]  setup_net (net/core/net_namespace.c:446)
[    9.663614][  T212]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.663748][  T212]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.663878][  T212]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.664009][  T212]  copy_net_ns (net/core/net_namespace.c:579)
[    9.664147][  T212]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.664279][  T212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.664410][  T212]  ksys_unshare (kernel/fork.c:3243)
[    9.664543][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.664679][  T212]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.664809][  T212]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.664941][  T212]  ? __ia32_sys_open (fs/open.c:1374)
[    9.665078][  T212]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.665208][  T212]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.665337][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.665467][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.665601][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.665735][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.665896][  T212] RIP: 0033:0x7f7155a50bcb
[    9.666030][  T212] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.666517][  T212] RSP: 002b:00007ffc803851f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.666718][  T212] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7155a50bcb
[    9.666913][  T212] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.667113][  T212] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.667309][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc80387420
[    9.667504][  T212] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc80387887
| [    9.673061][  T212] ------------[ cut here ]------------
| [    9.673199][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/212
| [    9.673422][  T212] Modules linked in:
| [    9.673791][  T212] Tainted: [W]=WARN
[    9.673895][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.674064][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.674236][  T212] 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
[    9.674712][  T212] RSP: 0018:ffa00000009c7a78 EFLAGS: 00010286
[    9.674876][  T212] RAX: 00000000ffffffa6 RBX: ff1100000bd6b540 RCX: 1ff4000000138f15
[    9.675077][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd6b5fc
[    9.675270][  T212] RBP: ff11000012064000 R08: 1fe22000017ad6c1 R09: ff11000010050b80
[    9.675462][  T212] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.675673][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012064000
[    9.675868][  T212] FS:  00007f715578e840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[    9.676103][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.676265][  T212] CR2: 00007f715598fc20 CR3: 00000000108fc003 CR4: 0000000000771ef0
[    9.676467][  T212] PKRU: 55555554
[    9.676569][  T212] Call Trace:
[    9.676668][  T212]  <TASK>
[    9.676736][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.676866][  T212]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.676996][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.677100][  T212]  register_netdevice (net/core/dev.c:11488)
[    9.677231][  T212]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.677398][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.677536][  T212]  register_netdev (net/core/dev.c:11552)
[    9.677668][  T212]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.677799][  T212]  ops_init (net/core/net_namespace.c:137)
[    9.677899][  T212]  setup_net (net/core/net_namespace.c:446)
[    9.677997][  T212]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.678134][  T212]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.678270][  T212]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.678404][  T212]  copy_net_ns (net/core/net_namespace.c:579)
[    9.678540][  T212]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.678677][  T212]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.678807][  T212]  ksys_unshare (kernel/fork.c:3243)
[    9.678937][  T212]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.679078][  T212]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.679208][  T212]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.679340][  T212]  ? __ia32_sys_open (fs/open.c:1374)
[    9.679472][  T212]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.679605][  T212]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.679739][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.679870][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.680006][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.680141][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.680302][  T212] RIP: 0033:0x7f7155a50bcb
[    9.680439][  T212] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.680976][  T212] RSP: 002b:00007ffc803851f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.681178][  T212] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7155a50bcb
[    9.681372][  T212] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.681568][  T212] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.681822][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc80387420
[    9.682016][  T212] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc80387887
| [    9.713341][  T213] ------------[ cut here ]------------
| [    9.713526][  T213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/213
| [    9.713809][  T213] Modules linked in:
| [    9.714269][  T213] Tainted: [W]=WARN
[    9.714413][  T213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.714628][  T213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.715413][  T213] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[    9.715929][  T213] RSP: 0018:ffa00000009d7020 EFLAGS: 00010286
[    9.716149][  T213] RAX: 00000000ffffffa6 RBX: ff1100000d1fa580 RCX: 1ff400000013adca
[    9.716386][  T213] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1fa63c
[    9.716631][  T213] RBP: ff1100000814c000 R08: 1fe2200001a3f4c9 R09: ff1100000e76ae58
[    9.716881][  T213] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    9.717126][  T213] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.717369][  T213] FS:  00007f4187b71840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[    9.717646][  T213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.717916][  T213] CR2: 00007f4187e411a0 CR3: 00000000100c7006 CR4: 0000000000771ef0
[    9.718164][  T213] PKRU: 55555554
[    9.718308][  T213] Call Trace:
[    9.718454][  T213]  <TASK>
[    9.718576][  T213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.718767][  T213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.718912][  T213]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.719094][  T213]  __dev_notify_flags (net/core/dev.c:9787)
[    9.719273][  T213]  ? netif_change_name (net/core/dev.c:1495)
[    9.719448][  T213]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.719632][  T213]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.719822][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.719998][  T213]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.720183][  T213]  netif_change_flags (net/core/dev.c:9820)
[    9.720359][  T213]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.720539][  T213]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.720730][  T213]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.720910][  T213]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.721121][  T213]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.721295][  T213]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.721470][  T213]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.721664][  T213]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.721840][  T213]  ? __kernel_text_address (kernel/extable.c:79)
[    9.722017][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.722205][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.722379][  T213]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.722562][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.722750][  T213]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.722924][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.723110][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.723286][  T213]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.723465][  T213]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.723647][  T213]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.723837][  T213]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.724014][  T213]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.724202][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.724382][  T213]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.724567][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.724753][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.724933][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.725118][  T213]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.725294][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.725472][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.725664][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.725842][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.726018][  T213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.726204][  T213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.726382][  T213]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.726565][  T213]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.726754][  T213]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.726930][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.727117][  T213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.727292][  T213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.727471][  T213]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.727666][  T213]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.727845][  T213]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.728025][  T213]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.728211][  T213]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.728391][  T213]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.728579][  T213]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.728768][  T213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.728947][  T213]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.729137][  T213]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.729314][  T213]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.729493][  T213]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.729690][  T213]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.729867][  T213]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.730082][  T213]  ? move_addr_to_kernel (net/socket.c:258)
[    9.730262][  T213]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.730441][  T213]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.730626][  T213]  ___sys_sendmsg (net/socket.c:2752)
[    9.730816][  T213]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.731024][  T213]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.731222][  T213]  __sys_sendmsg (net/socket.c:2784)
[    9.731401][  T213]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.731583][  T213]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.731808][  T213]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.731986][  T213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.732172][  T213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.732349][  T213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.732527][  T213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.732719][  T213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.732925][  T213] RIP: 0033:0x7f4187dab08e
[    9.733117][  T213] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.733630][  T213] RSP: 002b:00007ffdd760eb40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.733884][  T213] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4187dab08e
[    9.734133][  T213] RDX: 0000000000000000 RSI: 00007ffdd760ebf0 RDI: 0000000000000005
[    9.734375][  T213] RBP: 00007ffdd760eb50 R08: 0000000000000000 R09: 0000000000000000
[    9.734621][  T213] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d833
[    9.734871][  T213] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd760f2c0
| [    9.861400][  T217] ------------[ cut here ]------------
| [    9.861586][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/217
| [    9.861875][  T217] Modules linked in:
| [    9.862340][  T217] Tainted: [W]=WARN
[    9.862485][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.862715][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.862933][  T217] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[    9.863443][  T217] RSP: 0018:ffa0000000a17a80 EFLAGS: 00010286
[    9.863671][  T217] RAX: 00000000ffffffa6 RBX: ff1100000ddb0740 RCX: 1ff4000000142f16
[    9.863913][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ddb07fc
[    9.864161][  T217] RBP: ff1100000a3d1000 R08: 1fe2200001bb6101 R09: ff11000010055180
[    9.864399][  T217] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.864644][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a3d1000
[    9.864903][  T217] FS:  00007fddc4f80840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[    9.865183][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.865392][  T217] CR2: 00007fddc5187430 CR3: 000000000e47f002 CR4: 0000000000771ef0
[    9.865643][  T217] PKRU: 55555554
[    9.865799][  T217] Call Trace:
[    9.865942][  T217]  <TASK>
[    9.866066][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.866245][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.866421][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.866577][  T217]  register_netdevice (net/core/dev.c:11488)
[    9.866769][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.866978][  T217]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.867166][  T217]  register_netdev (net/core/dev.c:11552)
[    9.867349][  T217]  loopback_net_init (drivers/net/loopback.c:218)
[    9.867529][  T217]  ops_init (net/core/net_namespace.c:137)
[    9.867689][  T217]  setup_net (net/core/net_namespace.c:446)
[    9.867834][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.868007][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.868189][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.868369][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[    9.868558][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.868751][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.868928][  T217]  ksys_unshare (kernel/fork.c:3243)
[    9.869115][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.869291][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.869467][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.869664][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[    9.869845][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.870020][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.870206][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.870381][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.870564][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.870754][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.870961][  T217] RIP: 0033:0x7fddc5242bcb
[    9.871151][  T217] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.871676][  T217] RSP: 002b:00007ffe6c12d398 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.871917][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fddc5242bcb
[    9.872166][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.872408][  T217] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.872666][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe6c12f5c0
[    9.872906][  T217] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe6c130887
| [    9.877586][  T217] ------------[ cut here ]------------
| [    9.877764][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/217
| [    9.878035][  T217] Modules linked in:
| [    9.878496][  T217] Tainted: [W]=WARN
[    9.878648][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.878869][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.879088][  T217] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[    9.879603][  T217] RSP: 0018:ffa0000000a17918 EFLAGS: 00010286
[    9.879826][  T217] RAX: 00000000ffffffa6 RBX: ff1100000e7ade00 RCX: 1ff4000000142ee9
[    9.880072][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e7adebc
[    9.880311][  T217] RBP: ff1100000ebcc000 R08: 1fe2200001cf5bd9 R09: ff11000010055180
[    9.880561][  T217] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.880814][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ebcc000
[    9.881063][  T217] FS:  00007fddc4f80840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[    9.881335][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.881552][  T217] CR2: 00007fddc5187430 CR3: 000000000e47f002 CR4: 0000000000771ef0
[    9.881807][  T217] PKRU: 55555554
[    9.881950][  T217] Call Trace:
[    9.882101][  T217]  <TASK>
[    9.882216][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.882396][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.882582][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.882740][  T217]  register_netdevice (net/core/dev.c:11488)
[    9.882920][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.883137][  T217]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.883316][  T217]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.883492][  T217]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.883688][  T217]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.883866][  T217]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.884050][  T217]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.884231][  T217]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.884409][  T217]  ops_init (net/core/net_namespace.c:137)
[    9.884562][  T217]  setup_net (net/core/net_namespace.c:446)
[    9.884721][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.884895][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.885079][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.885259][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[    9.885438][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.885624][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.885813][  T217]  ksys_unshare (kernel/fork.c:3243)
[    9.885989][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.886176][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.886355][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.886534][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[    9.886728][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.886903][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.887087][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.887263][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.887438][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.887622][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.887841][  T217] RIP: 0033:0x7fddc5242bcb
[    9.888022][  T217] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.888540][  T217] RSP: 002b:00007ffe6c12d398 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.888795][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fddc5242bcb
[    9.889034][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.889284][  T217] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.889525][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe6c12f5c0
[    9.889778][  T217] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe6c130887
| [    9.894018][  T217] ------------[ cut here ]------------
| [    9.894198][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/217
| [    9.894471][  T217] Modules linked in:
| [    9.895567][  T217] Tainted: [W]=WARN
[    9.895781][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.896056][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.896298][  T217] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[    9.896830][  T217] RSP: 0018:ffa0000000a178f8 EFLAGS: 00010286
[    9.897058][  T217] RAX: 00000000ffffffa6 RBX: ff11000005ed9e00 RCX: 1ff4000000142ee5
[    9.897301][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005ed9ebc
[    9.897548][  T217] RBP: ff1100000f264000 R08: 1fe2200000bdb3d9 R09: ff11000010055180
[    9.897806][  T217] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.898054][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f264000
[    9.898300][  T217] FS:  00007fddc4f80840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[    9.898584][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.898810][  T217] CR2: 00007fddc5187430 CR3: 000000000e47f002 CR4: 0000000000771ef0
[    9.899062][  T217] PKRU: 55555554
[    9.899207][  T217] Call Trace:
[    9.899352][  T217]  <TASK>
[    9.899467][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.899666][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.899845][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.899993][  T217]  register_netdevice (net/core/dev.c:11488)
[    9.900187][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.900396][  T217]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.900585][  T217]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.900813][  T217]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.900991][  T217]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.901182][  T217]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.901365][  T217]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.901553][  T217]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.901747][  T217]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.901928][  T217]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.902119][  T217]  ops_init (net/core/net_namespace.c:137)
[    9.902270][  T217]  setup_net (net/core/net_namespace.c:446)
[    9.902419][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.902605][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.902797][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.902981][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[    9.903169][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.903352][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.903534][  T217]  ksys_unshare (kernel/fork.c:3243)
[    9.903726][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.903905][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.904091][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.904271][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[    9.904451][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.904638][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.904828][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.905010][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.905197][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.905377][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.905597][  T217] RIP: 0033:0x7fddc5242bcb
[    9.905795][  T217] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.906315][  T217] RSP: 002b:00007ffe6c12d398 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.906570][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fddc5242bcb
[    9.906828][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.907080][  T217] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.907322][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe6c12f5c0
[    9.907573][  T217] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe6c130887
| [    9.912201][  T217] ------------[ cut here ]------------
| [    9.912347][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/217
| [    9.912580][  T217] Modules linked in:
| [    9.913001][  T217] Tainted: [W]=WARN
[    9.913108][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.913271][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.913443][  T217] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[    9.913916][  T217] RSP: 0018:ffa0000000a17a78 EFLAGS: 00010286
[    9.914084][  T217] RAX: 00000000ffffffa6 RBX: ff1100000cbfeac0 RCX: 1ff4000000142f15
[    9.914279][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cbfeb7c
[    9.914472][  T217] RBP: ff1100000f224000 R08: 1fe220000197fd71 R09: ff11000010055180
[    9.914675][  T217] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.914870][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f224000
[    9.915072][  T217] FS:  00007fddc4f80840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[    9.915300][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.915462][  T217] CR2: 00007f8d9f881000 CR3: 000000000e47f001 CR4: 0000000000771ef0
[    9.915666][  T217] PKRU: 55555554
[    9.915764][  T217] Call Trace:
[    9.915861][  T217]  <TASK>
[    9.915929][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.916067][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.916198][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.916298][  T217]  register_netdevice (net/core/dev.c:11488)
[    9.916430][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.916596][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.916732][  T217]  register_netdev (net/core/dev.c:11552)
[    9.916863][  T217]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.916996][  T217]  ops_init (net/core/net_namespace.c:137)
[    9.917103][  T217]  setup_net (net/core/net_namespace.c:446)
[    9.917202][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.917331][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.917462][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.917599][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[    9.917733][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.917867][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.917998][  T217]  ksys_unshare (kernel/fork.c:3243)
[    9.918134][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.918263][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.918395][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.918531][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[    9.918668][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.918799][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.918929][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.919065][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.919194][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.919324][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.919489][  T217] RIP: 0033:0x7fddc5242bcb
[    9.919628][  T217] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.920099][  T217] RSP: 002b:00007ffe6c12d398 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.920295][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fddc5242bcb
[    9.920488][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.920693][  T217] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.920887][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe6c12f5c0
[    9.921084][  T217] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe6c130887
| [    9.925224][  T217] ------------[ cut here ]------------
| [    9.925361][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/217
| [    9.925592][  T217] Modules linked in:
| [    9.925964][  T217] Tainted: [W]=WARN
[    9.926067][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.926230][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.926398][  T217] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[    9.926870][  T217] RSP: 0018:ffa0000000a17a68 EFLAGS: 00010286
[    9.927034][  T217] RAX: 00000000ffffffa6 RBX: ff110000108431c0 RCX: 1ff4000000142f13
[    9.927234][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001084327c
[    9.927427][  T217] RBP: ff110000121e1000 R08: 1fe2200002108651 R09: ff11000010055180
[    9.927626][  T217] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.927825][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000121e1000
[    9.928020][  T217] FS:  00007fddc4f80840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[    9.928252][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.928414][  T217] CR2: 00007f8d9f881000 CR3: 000000000e47f001 CR4: 0000000000771ef0
[    9.928613][  T217] PKRU: 55555554
[    9.928716][  T217] Call Trace:
[    9.928812][  T217]  <TASK>
[    9.928879][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.929009][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.929146][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.929245][  T217]  register_netdevice (net/core/dev.c:11488)
[    9.929378][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.929546][  T217]  register_netdev (net/core/dev.c:11552)
[    9.929682][  T217]  sit_init_net (net/ipv6/sit.c:1860)
[    9.929815][  T217]  ops_init (net/core/net_namespace.c:137)
[    9.929916][  T217]  setup_net (net/core/net_namespace.c:446)
[    9.930016][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.930149][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.930281][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.930415][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[    9.930548][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.930688][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.930819][  T217]  ksys_unshare (kernel/fork.c:3243)
[    9.930950][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.931087][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.931219][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.931350][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[    9.931482][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.931614][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.931748][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.931878][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.932010][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.932146][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.932309][  T217] RIP: 0033:0x7fddc5242bcb
[    9.932456][  T217] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.932926][  T217] RSP: 002b:00007ffe6c12d398 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.933128][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fddc5242bcb
[    9.933329][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.933526][  T217] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.933724][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe6c12f5c0
[    9.933917][  T217] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe6c130887
| [    9.939442][  T217] ------------[ cut here ]------------
| [    9.939581][  T217] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/217
| [    9.939821][  T217] Modules linked in:
| [    9.940187][  T217] Tainted: [W]=WARN
[    9.940285][  T217] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.940447][  T217] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.940618][  T217] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[    9.941094][  T217] RSP: 0018:ffa0000000a17a78 EFLAGS: 00010286
[    9.941258][  T217] RAX: 00000000ffffffa6 RBX: ff1100000d68ee40 RCX: 1ff4000000142f15
[    9.941453][  T217] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68eefc
[    9.941665][  T217] RBP: ff1100001220c000 R08: 1fe2200001ad1de1 R09: ff11000010055180
[    9.941859][  T217] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.942057][  T217] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001220c000
[    9.942253][  T217] FS:  00007fddc4f80840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[    9.942489][  T217] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.942662][  T217] CR2: 00007f8d9f881000 CR3: 000000000e47f001 CR4: 0000000000771ef0
[    9.942859][  T217] PKRU: 55555554
[    9.942957][  T217] Call Trace:
[    9.943057][  T217]  <TASK>
[    9.943125][  T217]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.943256][  T217]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.943400][  T217]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.943499][  T217]  register_netdevice (net/core/dev.c:11488)
[    9.943634][  T217]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.943801][  T217]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.943933][  T217]  register_netdev (net/core/dev.c:11552)
[    9.944069][  T217]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.944206][  T217]  ops_init (net/core/net_namespace.c:137)
[    9.944307][  T217]  setup_net (net/core/net_namespace.c:446)
[    9.944406][  T217]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.944539][  T217]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.944675][  T217]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.944808][  T217]  copy_net_ns (net/core/net_namespace.c:579)
[    9.944940][  T217]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.945085][  T217]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.945216][  T217]  ksys_unshare (kernel/fork.c:3243)
[    9.945345][  T217]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.945474][  T217]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.945608][  T217]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.945745][  T217]  ? __ia32_sys_open (fs/open.c:1374)
[    9.945877][  T217]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.946014][  T217]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.946150][  T217]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.946280][  T217]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.946410][  T217]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.946544][  T217]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.946764][  T217] RIP: 0033:0x7fddc5242bcb
[    9.946907][  T217] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.947375][  T217] RSP: 002b:00007ffe6c12d398 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.947574][  T217] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fddc5242bcb
[    9.947829][  T217] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.948022][  T217] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.948221][  T217] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe6c12f5c0
[    9.948415][  T217] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe6c130887
| [    9.972265][  T218] ------------[ cut here ]------------
| [    9.972451][  T218] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/218
| [    9.973351][  T218] Modules linked in:
| [    9.973823][  T218] Tainted: [W]=WARN
[    9.973966][  T218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.974204][  T218] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.974418][  T218] 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
[    9.974939][  T218] RSP: 0018:ffa0000000a27020 EFLAGS: 00010286
[    9.975170][  T218] RAX: 00000000ffffffa6 RBX: ff1100000ddb1c40 RCX: 1ff4000000144dca
[    9.975411][  T218] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ddb1cfc
[    9.975670][  T218] RBP: ff1100000a3d1000 R08: 1fe2200001bb63a1 R09: ff1100000e76d158
[    9.975907][  T218] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[    9.976150][  T218] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.976409][  T218] FS:  00007f3051f98840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[    9.976699][  T218] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.976908][  T218] CR2: 0000000031b8d988 CR3: 00000000120e3005 CR4: 0000000000771ef0
[    9.977153][  T218] PKRU: 55555554
[    9.977314][  T218] Call Trace:
[    9.977457][  T218]  <TASK>
[    9.977581][  T218]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.977770][  T218]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.977915][  T218]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.978099][  T218]  __dev_notify_flags (net/core/dev.c:9787)
[    9.978279][  T218]  ? netif_change_name (net/core/dev.c:1495)
[    9.978455][  T218]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.978677][  T218]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.978856][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.979033][  T218]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.979221][  T218]  netif_change_flags (net/core/dev.c:9820)
[    9.979398][  T218]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.979584][  T218]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.979794][  T218]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.979972][  T218]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.980195][  T218]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.980374][  T218]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.980559][  T218]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.980748][  T218]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.980925][  T218]  ? __kernel_text_address (kernel/extable.c:79)
[    9.981133][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.981317][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.981493][  T218]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.981691][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.981868][  T218]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.982050][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.982247][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.982424][  T218]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.982610][  T218]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.982802][  T218]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.982980][  T218]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.983169][  T218]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.983349][  T218]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.983554][  T218]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.983745][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.983919][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.984105][  T218]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.984283][  T218]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.984459][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.984676][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.984852][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.985027][  T218]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.985214][  T218]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.985390][  T218]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.985578][  T218]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.985768][  T218]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.985960][  T218]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.986146][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.986324][  T218]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.986498][  T218]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.986696][  T218]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.986872][  T218]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.987077][  T218]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.987259][  T218]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.987433][  T218]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.987619][  T218]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.987812][  T218]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.987989][  T218]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.988193][  T218]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.988390][  T218]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.988578][  T218]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.988768][  T218]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.988946][  T218]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.989131][  T218]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.989337][  T218]  ? move_addr_to_kernel (net/socket.c:258)
[    9.989536][  T218]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.989726][  T218]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.989907][  T218]  ___sys_sendmsg (net/socket.c:2752)
[    9.990088][  T218]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.990295][  T218]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.990483][  T218]  __sys_sendmsg (net/socket.c:2784)
[    9.990699][  T218]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.990875][  T218]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.991091][  T218]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.991273][  T218]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.991451][  T218]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.991635][  T218]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.991841][  T218]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.992019][  T218]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.992234][  T218] RIP: 0033:0x7f30521d208e
[    9.992415][  T218] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.992961][  T218] RSP: 002b:00007ffe578eb430 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.993211][  T218] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f30521d208e
[    9.993449][  T218] RDX: 0000000000000000 RSI: 00007ffe578eb4e0 RDI: 0000000000000005
[    9.993711][  T218] RBP: 00007ffe578eb440 R08: 0000000000000000 R09: 0000000000000000
[    9.993949][  T218] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d834
[    9.994215][  T218] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe578ebbb0
| [   10.127902][  T222] ------------[ cut here ]------------
| [   10.128101][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/222
| [   10.128374][  T222] Modules linked in:
| [   10.128849][  T222] Tainted: [W]=WARN
[   10.128994][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.129217][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.129432][  T222] 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
[   10.130005][  T222] RSP: 0018:ffa0000000a57a80 EFLAGS: 00010286
[   10.130220][  T222] RAX: 00000000ffffffa6 RBX: ff1100000e7ac900 RCX: 1ff400000014af16
[   10.130458][  T222] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e7ac9bc
[   10.130717][  T222] RBP: ff1100000a8f1000 R08: 1fe2200001cf5939 R09: ff1100000e768b80
[   10.130959][  T222] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.131208][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a8f1000
[   10.131449][  T222] FS:  00007f535d445840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   10.131737][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.131947][  T222] CR2: 00007f535d651690 CR3: 0000000010bdf003 CR4: 0000000000771ef0
[   10.132196][  T222] PKRU: 55555554
[   10.132344][  T222] Call Trace:
[   10.132487][  T222]  <TASK>
[   10.132610][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.132802][  T222]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.132980][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.133135][  T222]  register_netdevice (net/core/dev.c:11488)
[   10.133316][  T222]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.133528][  T222]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.133720][  T222]  register_netdev (net/core/dev.c:11552)
[   10.133899][  T222]  loopback_net_init (drivers/net/loopback.c:218)
[   10.134083][  T222]  ops_init (net/core/net_namespace.c:137)
[   10.134231][  T222]  setup_net (net/core/net_namespace.c:446)
[   10.134377][  T222]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.134559][  T222]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.134748][  T222]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.134928][  T222]  copy_net_ns (net/core/net_namespace.c:579)
[   10.135116][  T222]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.135296][  T222]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.135474][  T222]  ksys_unshare (kernel/fork.c:3243)
[   10.135669][  T222]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.135845][  T222]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.136022][  T222]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.136208][  T222]  ? __ia32_sys_open (fs/open.c:1374)
[   10.136389][  T222]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.136573][  T222]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.136761][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.136939][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.137119][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.137297][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.137503][  T222] RIP: 0033:0x7f535d707bcb
[   10.137702][  T222] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.138217][  T222] RSP: 002b:00007ffcb87b8a88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.138457][  T222] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f535d707bcb
[   10.138715][  T222] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.138957][  T222] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.139203][  T222] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcb87bacb0
[   10.139442][  T222] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcb87bc887
| [   10.144136][  T222] ------------[ cut here ]------------
| [   10.144310][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/222
| [   10.144587][  T222] Modules linked in:
| [   10.145060][  T222] Tainted: [W]=WARN
[   10.145205][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.145413][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.145635][  T222] 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
[   10.146162][  T222] RSP: 0018:ffa0000000a57918 EFLAGS: 00010286
[   10.146371][  T222] RAX: 00000000ffffffa6 RBX: ff11000008fd0200 RCX: 1ff400000014aee9
[   10.146618][  T222] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008fd02bc
[   10.146866][  T222] RBP: ff1100000f1ac000 R08: 1fe22000011fa059 R09: ff1100000e768b80
[   10.147116][  T222] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.147353][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f1ac000
[   10.147602][  T222] FS:  00007f535d445840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   10.147888][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.148110][  T222] CR2: 00007f535d651690 CR3: 0000000010bdf003 CR4: 0000000000771ef0
[   10.148350][  T222] PKRU: 55555554
[   10.148493][  T222] Call Trace:
[   10.148645][  T222]  <TASK>
[   10.148771][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.148948][  T222]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.149132][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.149281][  T222]  register_netdevice (net/core/dev.c:11488)
[   10.149459][  T222]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.149687][  T222]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.149864][  T222]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.150048][  T222]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.150225][  T222]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.150401][  T222]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.150587][  T222]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.150778][  T222]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   10.150955][  T222]  ops_init (net/core/net_namespace.c:137)
[   10.151113][  T222]  setup_net (net/core/net_namespace.c:446)
[   10.151258][  T222]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.151431][  T222]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.151615][  T222]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.151804][  T222]  copy_net_ns (net/core/net_namespace.c:579)
[   10.151987][  T222]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.152179][  T222]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.152357][  T222]  ksys_unshare (kernel/fork.c:3243)
[   10.152536][  T222]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.152727][  T222]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.152905][  T222]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.153090][  T222]  ? __ia32_sys_open (fs/open.c:1374)
[   10.153271][  T222]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.153447][  T222]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.153629][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.153819][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.153996][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.154181][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.154388][  T222] RIP: 0033:0x7f535d707bcb
[   10.154579][  T222] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.155097][  T222] RSP: 002b:00007ffcb87b8a88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.155339][  T222] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f535d707bcb
[   10.155587][  T222] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.155838][  T222] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.156085][  T222] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcb87bacb0
[   10.156323][  T222] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcb87bc887
| [   10.160536][  T222] ------------[ cut here ]------------
| [   10.161218][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/222
| [   10.161557][  T222] Modules linked in:
| [   10.162146][  T222] Tainted: [W]=WARN
[   10.162347][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.162620][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.162906][  T222] 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
[   10.163484][  T222] RSP: 0018:ffa0000000a578f8 EFLAGS: 00010286
[   10.163769][  T222] RAX: 00000000ffffffa6 RBX: ff110000096b3380 RCX: 1ff400000014aee5
[   10.164073][  T222] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000096b343c
[   10.164368][  T222] RBP: ff11000010024000 R08: 1fe22000012d6689 R09: ff1100000e768b80
[   10.164689][  T222] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.164983][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010024000
[   10.165293][  T222] FS:  00007f535d445840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   10.165633][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.165914][  T222] CR2: 00007f535d651690 CR3: 0000000010bdf003 CR4: 0000000000771ef0
[   10.166223][  T222] PKRU: 55555554
[   10.166422][  T222] Call Trace:
[   10.166630][  T222]  <TASK>
[   10.166811][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.167054][  T222]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.167287][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.167490][  T222]  register_netdevice (net/core/dev.c:11488)
[   10.167720][  T222]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.167931][  T222]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.168121][  T222]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.168301][  T222]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.168479][  T222]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.168677][  T222]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.168860][  T222]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.169058][  T222]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   10.169241][  T222]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.169423][  T222]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.169615][  T222]  ops_init (net/core/net_namespace.c:137)
[   10.169774][  T222]  setup_net (net/core/net_namespace.c:446)
[   10.169923][  T222]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.170112][  T222]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.170298][  T222]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.170481][  T222]  copy_net_ns (net/core/net_namespace.c:579)
[   10.170681][  T222]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.170872][  T222]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.171062][  T222]  ksys_unshare (kernel/fork.c:3243)
[   10.171245][  T222]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.171427][  T222]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.171619][  T222]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.171814][  T222]  ? __ia32_sys_open (fs/open.c:1374)
[   10.171997][  T222]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.172187][  T222]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.172367][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.172554][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.172746][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.172927][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.173151][  T222] RIP: 0033:0x7f535d707bcb
[   10.173335][  T222] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.173869][  T222] RSP: 002b:00007ffcb87b8a88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.174125][  T222] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f535d707bcb
[   10.174370][  T222] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.174622][  T222] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.174879][  T222] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcb87bacb0
[   10.175130][  T222] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcb87bc887
| [   10.186327][  T222] ------------[ cut here ]------------
| [   10.186508][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/222
| [   10.187293][  T222] Modules linked in:
| [   10.187889][  T222] Tainted: [W]=WARN
[   10.188098][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.188365][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.188648][  T222] 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
[   10.189283][  T222] RSP: 0018:ffa0000000a57a78 EFLAGS: 00010286
[   10.189555][  T222] RAX: 00000000ffffffa6 RBX: ff1100000dda8200 RCX: 1ff400000014af15
[   10.189862][  T222] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda82bc
[   10.190162][  T222] RBP: ff11000009b64000 R08: 1fe2200001bb5059 R09: ff1100000e768b80
[   10.190454][  T222] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.190767][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b64000
[   10.191072][  T222] FS:  00007f535d445840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   10.191402][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.191687][  T222] CR2: 000055c41faabd10 CR3: 0000000010bdf003 CR4: 0000000000771ef0
[   10.191983][  T222] PKRU: 55555554
[   10.192189][  T222] Call Trace:
[   10.192386][  T222]  <TASK>
[   10.192563][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.192806][  T222]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.193052][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.193252][  T222]  register_netdevice (net/core/dev.c:11488)
[   10.193483][  T222]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.193759][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.193993][  T222]  register_netdev (net/core/dev.c:11552)
[   10.194259][  T222]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.194535][  T222]  ops_init (net/core/net_namespace.c:137)
[   10.194769][  T222]  setup_net (net/core/net_namespace.c:446)
[   10.194990][  T222]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.195255][  T222]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.195444][  T222]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.195628][  T222]  copy_net_ns (net/core/net_namespace.c:579)
[   10.195821][  T222]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.196002][  T222]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.196189][  T222]  ksys_unshare (kernel/fork.c:3243)
[   10.196366][  T222]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.196549][  T222]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.196737][  T222]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.196913][  T222]  ? __ia32_sys_open (fs/open.c:1374)
[   10.197099][  T222]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.197278][  T222]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.197456][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.197640][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.197828][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.198006][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.198216][  T222] RIP: 0033:0x7f535d707bcb
[   10.198398][  T222] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.198924][  T222] RSP: 002b:00007ffcb87b8a88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.199174][  T222] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f535d707bcb
[   10.199415][  T222] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.199673][  T222] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.199910][  T222] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcb87bacb0
[   10.200151][  T222] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcb87bc887
| [   10.205788][  T222] ------------[ cut here ]------------
| [   10.205961][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/222
| [   10.206249][  T222] Modules linked in:
| [   10.206724][  T222] Tainted: [W]=WARN
[   10.206868][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.207083][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.207298][  T222] 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
[   10.207827][  T222] RSP: 0018:ffa0000000a57a68 EFLAGS: 00010286
[   10.208038][  T222] RAX: 00000000ffffffa6 RBX: ff11000008fd1380 RCX: 1ff400000014af13
[   10.208287][  T222] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008fd143c
[   10.208532][  T222] RBP: ff1100000f9f4000 R08: 1fe22000011fa289 R09: ff1100000e768b80
[   10.208784][  T222] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.209023][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f9f4000
[   10.209272][  T222] FS:  00007f535d445840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   10.209550][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.209774][  T222] CR2: 000055c41faabd10 CR3: 0000000010bdf003 CR4: 0000000000771ef0
[   10.210016][  T222] PKRU: 55555554
[   10.210170][  T222] Call Trace:
[   10.210313][  T222]  <TASK>
[   10.210426][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.210612][  T222]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.210801][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.210951][  T222]  register_netdevice (net/core/dev.c:11488)
[   10.211139][  T222]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.211350][  T222]  register_netdev (net/core/dev.c:11552)
[   10.211529][  T222]  sit_init_net (net/ipv6/sit.c:1860)
[   10.211734][  T222]  ops_init (net/core/net_namespace.c:137)
[   10.211888][  T222]  setup_net (net/core/net_namespace.c:446)
[   10.212033][  T222]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.212222][  T222]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.212399][  T222]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.212584][  T222]  copy_net_ns (net/core/net_namespace.c:579)
[   10.212890][  T222]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.213181][  T222]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.213466][  T222]  ksys_unshare (kernel/fork.c:3243)
[   10.213771][  T222]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.214076][  T222]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.214357][  T222]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.214641][  T222]  ? __ia32_sys_open (fs/open.c:1374)
[   10.214938][  T222]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.215228][  T222]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.215511][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.215807][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.216095][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.216383][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.216708][  T222] RIP: 0033:0x7f535d707bcb
[   10.216944][  T222] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.217567][  T222] RSP: 002b:00007ffcb87b8a88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.217900][  T222] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f535d707bcb
[   10.218257][  T222] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.218556][  T222] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.218862][  T222] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcb87bacb0
[   10.219168][  T222] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcb87bc887
| [   10.246535][  T222] ------------[ cut here ]------------
| [   10.246691][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/222
| [   10.246921][  T222] Modules linked in:
| [   10.247294][  T222] Tainted: [W]=WARN
[   10.247393][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.247559][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.247733][  T222] 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
[   10.248203][  T222] RSP: 0018:ffa0000000a57a78 EFLAGS: 00010286
[   10.248367][  T222] RAX: 00000000ffffffa6 RBX: ff1100000dc6f8c0 RCX: 1ff400000014af15
[   10.248565][  T222] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc6f97c
[   10.248773][  T222] RBP: ff11000009bb4000 R08: 1fe2200001b8df31 R09: ff1100000e768b80
[   10.248967][  T222] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.249170][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009bb4000
[   10.249367][  T222] FS:  00007f535d445840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   10.249599][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.249770][  T222] CR2: 000055c41faabd10 CR3: 0000000010bdf001 CR4: 0000000000771ef0
[   10.249967][  T222] PKRU: 55555554
[   10.250071][  T222] Call Trace:
[   10.250168][  T222]  <TASK>
[   10.250235][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.250366][  T222]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.250497][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.250600][  T222]  register_netdevice (net/core/dev.c:11488)
[   10.250736][  T222]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.250897][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.251029][  T222]  register_netdev (net/core/dev.c:11552)
[   10.251166][  T222]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   10.251296][  T222]  ops_init (net/core/net_namespace.c:137)
[   10.251396][  T222]  setup_net (net/core/net_namespace.c:446)
[   10.251495][  T222]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.251628][  T222]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.251764][  T222]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.251896][  T222]  copy_net_ns (net/core/net_namespace.c:579)
[   10.252027][  T222]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.252166][  T222]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.252296][  T222]  ksys_unshare (kernel/fork.c:3243)
[   10.252425][  T222]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.252559][  T222]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.252758][  T222]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.252891][  T222]  ? __ia32_sys_open (fs/open.c:1374)
[   10.253023][  T222]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.253157][  T222]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.253287][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.253416][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.253548][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.253684][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.253847][  T222] RIP: 0033:0x7f535d707bcb
[   10.253983][  T222] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.254452][  T222] RSP: 002b:00007ffcb87b8a88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.254657][  T222] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f535d707bcb
[   10.254853][  T222] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.255051][  T222] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.255244][  T222] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcb87bacb0
[   10.255439][  T222] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcb87bc887
| [   10.281475][  T223] ------------[ cut here ]------------
| [   10.282068][  T223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/223
| [   10.282338][  T223] Modules linked in:
| [   10.282814][  T223] Tainted: [W]=WARN
[   10.282959][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.283178][  T223] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.283394][  T223] 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
[   10.283919][  T223] RSP: 0018:ffa0000000557020 EFLAGS: 00010286
[   10.284139][  T223] RAX: 00000000ffffffa6 RBX: ff1100000c533540 RCX: 1ff40000000aadca
[   10.284377][  T223] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5335fc
[   10.284622][  T223] RBP: ff1100000a8f1000 R08: 1fe22000018a66c1 R09: ff11000009c5d158
[   10.284875][  T223] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.285120][  T223] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.285359][  T223] FS:  00007fa468ed3840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   10.285637][  T223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.285861][  T223] CR2: 000000002e0d5988 CR3: 000000000c49e001 CR4: 0000000000771ef0
[   10.286111][  T223] PKRU: 55555554
[   10.286254][  T223] Call Trace:
[   10.286397][  T223]  <TASK>
[   10.286514][  T223]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.286708][  T223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.286855][  T223]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.287030][  T223]  __dev_notify_flags (net/core/dev.c:9787)
[   10.287219][  T223]  ? netif_change_name (net/core/dev.c:1495)
[   10.287396][  T223]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.287583][  T223]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.287770][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.287948][  T223]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.288137][  T223]  netif_change_flags (net/core/dev.c:9820)
[   10.288317][  T223]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.288495][  T223]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.288697][  T223]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.288875][  T223]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.289090][  T223]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.289267][  T223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.289445][  T223]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.289632][  T223]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.289824][  T223]  ? __kernel_text_address (kernel/extable.c:79)
[   10.290003][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.290194][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.290371][  T223]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.290557][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.290748][  T223]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.290927][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.291113][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.291291][  T223]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.291468][  T223]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.291664][  T223]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.291842][  T223]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.292021][  T223]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.292210][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.292393][  T223]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.292581][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.292766][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.292945][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.293131][  T223]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.293310][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.293492][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.293691][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.293869][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.294054][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.294233][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.294414][  T223]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.294599][  T223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.294791][  T223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.294967][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.295157][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.295333][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.295516][  T223]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.295706][  T223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.295884][  T223]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.296072][  T223]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.296248][  T223]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.296429][  T223]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.296618][  T223]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.296806][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.296984][  T223]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.297172][  T223]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.297352][  T223]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.297534][  T223]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.297726][  T223]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.297906][  T223]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.298120][  T223]  ? move_addr_to_kernel (net/socket.c:258)
[   10.298299][  T223]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.298477][  T223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.298673][  T223]  ___sys_sendmsg (net/socket.c:2752)
[   10.298850][  T223]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.299067][  T223]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.299260][  T223]  __sys_sendmsg (net/socket.c:2784)
[   10.299439][  T223]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.299621][  T223]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.299842][  T223]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.300021][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.300210][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.300387][  T223]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.300573][  T223]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.300767][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.300974][  T223] RIP: 0033:0x7fa46910d08e
[   10.301166][  T223] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.301693][  T223] RSP: 002b:00007ffe47e2f190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.301939][  T223] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa46910d08e
[   10.302184][  T223] RDX: 0000000000000000 RSI: 00007ffe47e2f240 RDI: 0000000000000005
[   10.302424][  T223] RBP: 00007ffe47e2f1a0 R08: 0000000000000000 R09: 0000000000000000
[   10.302684][  T223] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d834
[   10.302926][  T223] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe47e2f910
| [   10.424269][  T227] ------------[ cut here ]------------
| [   10.424419][  T227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/227
| [   10.424663][  T227] Modules linked in:
| [   10.425036][  T227] Tainted: [W]=WARN
[   10.425142][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.425303][  T227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.425475][  T227] 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
[   10.425950][  T227] RSP: 0018:ffa0000000a87a80 EFLAGS: 00010286
[   10.426121][  T227] RAX: 00000000ffffffa6 RBX: ff11000009267a80 RCX: 1ff4000000150f16
[   10.426316][  T227] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009267b3c
[   10.426513][  T227] RBP: ff11000008f39000 R08: 1fe220000124cf69 R09: ff1100000f952e80
[   10.426713][  T227] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.426910][  T227] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008f39000
[   10.427125][  T227] FS:  00007fc713833840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   10.427354][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.427520][  T227] CR2: 00007fc713a3a430 CR3: 000000000ba07006 CR4: 0000000000771ef0
[   10.427731][  T227] PKRU: 55555554
[   10.427829][  T227] Call Trace:
[   10.427926][  T227]  <TASK>
[   10.427994][  T227]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.428130][  T227]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.428261][  T227]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.428360][  T227]  register_netdevice (net/core/dev.c:11488)
[   10.428492][  T227]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.428665][  T227]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.428797][  T227]  register_netdev (net/core/dev.c:11552)
[   10.428928][  T227]  loopback_net_init (drivers/net/loopback.c:218)
[   10.429064][  T227]  ops_init (net/core/net_namespace.c:137)
[   10.429163][  T227]  setup_net (net/core/net_namespace.c:446)
[   10.429262][  T227]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.429391][  T227]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.429527][  T227]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.429664][  T227]  copy_net_ns (net/core/net_namespace.c:579)
[   10.429795][  T227]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.429931][  T227]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.430067][  T227]  ksys_unshare (kernel/fork.c:3243)
[   10.430196][  T227]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.430326][  T227]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.430458][  T227]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.430593][  T227]  ? __ia32_sys_open (fs/open.c:1374)
[   10.430729][  T227]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.430858][  T227]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.430986][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.431118][  T227]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.431248][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.431378][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.431543][  T227] RIP: 0033:0x7fc713af5bcb
[   10.431684][  T227] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.432149][  T227] RSP: 002b:00007fffbd379fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.432344][  T227] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc713af5bcb
[   10.432543][  T227] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.432742][  T227] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.432936][  T227] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffbd37c210
[   10.433135][  T227] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffbd37d887
| [   10.437457][  T227] ------------[ cut here ]------------
| [   10.437638][  T227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/227
| [   10.437927][  T227] Modules linked in:
| [   10.438389][  T227] Tainted: [W]=WARN
[   10.438536][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.438759][  T227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.438976][  T227] 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
[   10.439489][  T227] RSP: 0018:ffa0000000a87918 EFLAGS: 00010286
[   10.439719][  T227] RAX: 00000000ffffffa6 RBX: ff1100000ddbc580 RCX: 1ff4000000150ee9
[   10.439957][  T227] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ddbc63c
[   10.440205][  T227] RBP: ff1100000e5e1000 R08: 1fe2200001bb78c9 R09: ff1100000f952e80
[   10.440443][  T227] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.440699][  T227] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e5e1000
[   10.440940][  T227] FS:  00007fc713833840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   10.441221][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.441430][  T227] CR2: 00007fecdbe22000 CR3: 000000000ba07005 CR4: 0000000000771ef0
[   10.441690][  T227] PKRU: 55555554
[   10.441834][  T227] Call Trace:
[   10.441977][  T227]  <TASK>
[   10.442100][  T227]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.442283][  T227]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.442497][  T227]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.442664][  T227]  register_netdevice (net/core/dev.c:11488)
[   10.442843][  T227]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.443055][  T227]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.443233][  T227]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.443411][  T227]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.443595][  T227]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.443785][  T227]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.443962][  T227]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.444149][  T227]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   10.444327][  T227]  ops_init (net/core/net_namespace.c:137)
[   10.444473][  T227]  setup_net (net/core/net_namespace.c:446)
[   10.444623][  T227]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.444809][  T227]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.444989][  T227]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.445176][  T227]  copy_net_ns (net/core/net_namespace.c:579)
[   10.445355][  T227]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.445552][  T227]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.445749][  T227]  ksys_unshare (kernel/fork.c:3243)
[   10.445925][  T227]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.446109][  T227]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.446289][  T227]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.446465][  T227]  ? __ia32_sys_open (fs/open.c:1374)
[   10.446664][  T227]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.446839][  T227]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.447014][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.447199][  T227]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.447374][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.447557][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.447780][  T227] RIP: 0033:0x7fc713af5bcb
[   10.447961][  T227] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.448468][  T227] RSP: 002b:00007fffbd379fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.448729][  T227] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc713af5bcb
[   10.448967][  T227] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.449212][  T227] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.449450][  T227] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffbd37c210
[   10.449714][  T227] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffbd37d887
| [   10.453922][  T227] ------------[ cut here ]------------
| [   10.454101][  T227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/227
| [   10.454377][  T227] Modules linked in:
| [   10.454851][  T227] Tainted: [W]=WARN
[   10.454996][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.455214][  T227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.455435][  T227] 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
[   10.455962][  T227] RSP: 0018:ffa0000000a878f8 EFLAGS: 00010286
[   10.456187][  T227] RAX: 00000000ffffffa6 RBX: ff1100000c485540 RCX: 1ff4000000150ee5
[   10.456427][  T227] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c4855fc
[   10.456693][  T227] RBP: ff1100000e581000 R08: 1fe2200001890ac1 R09: ff1100000f952e80
[   10.456934][  T227] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.457184][  T227] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e581000
[   10.457428][  T227] FS:  00007fc713833840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   10.457728][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.457939][  T227] CR2: 00007fecdbe22000 CR3: 000000000ba07005 CR4: 0000000000771ef0
[   10.458186][  T227] PKRU: 55555554
[   10.458332][  T227] Call Trace:
[   10.458476][  T227]  <TASK>
[   10.458595][  T227]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.458791][  T227]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.458970][  T227]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.459125][  T227]  register_netdevice (net/core/dev.c:11488)
[   10.459305][  T227]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.459518][  T227]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.459711][  T227]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.459891][  T227]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.460078][  T227]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.460259][  T227]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.460439][  T227]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.460625][  T227]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   10.460817][  T227]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.460998][  T227]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.461186][  T227]  ops_init (net/core/net_namespace.c:137)
[   10.461334][  T227]  setup_net (net/core/net_namespace.c:446)
[   10.461487][  T227]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.461682][  T227]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.461863][  T227]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.462051][  T227]  copy_net_ns (net/core/net_namespace.c:579)
[   10.462232][  T227]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.462414][  T227]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.462602][  T227]  ksys_unshare (kernel/fork.c:3243)
[   10.462798][  T227]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.462977][  T227]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.463164][  T227]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.463347][  T227]  ? __ia32_sys_open (fs/open.c:1374)
[   10.463530][  T227]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.463721][  T227]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.463899][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.464084][  T227]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.464264][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.464444][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.464673][  T227] RIP: 0033:0x7fc713af5bcb
[   10.464856][  T227] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.465377][  T227] RSP: 002b:00007fffbd379fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.465629][  T227] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc713af5bcb
[   10.465883][  T227] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.466134][  T227] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.466378][  T227] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffbd37c210
[   10.466627][  T227] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffbd37d887
| [   10.471101][  T227] ------------[ cut here ]------------
| [   10.471278][  T227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/227
| [   10.471557][  T227] Modules linked in:
| [   10.472025][  T227] Tainted: [W]=WARN
[   10.472182][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.472390][  T227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.472616][  T227] 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
[   10.473138][  T227] RSP: 0018:ffa0000000a87a78 EFLAGS: 00010286
[   10.473351][  T227] RAX: 00000000ffffffa6 RBX: ff1100000c484740 RCX: 1ff4000000150f15
[   10.473598][  T227] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c4847fc
[   10.473852][  T227] RBP: ff1100000e451000 R08: 1fe2200001890901 R09: ff1100000f952e80
[   10.474101][  T227] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.474347][  T227] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e451000
[   10.474597][  T227] FS:  00007fc713833840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   10.474885][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.475105][  T227] CR2: 00007fecdbe22000 CR3: 000000000ba07005 CR4: 0000000000771ef0
[   10.475347][  T227] PKRU: 55555554
[   10.475494][  T227] Call Trace:
[   10.475646][  T227]  <TASK>
[   10.475774][  T227]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.475951][  T227]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.476136][  T227]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.476284][  T227]  register_netdevice (net/core/dev.c:11488)
[   10.476462][  T227]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.476689][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.476872][  T227]  register_netdev (net/core/dev.c:11552)
[   10.477057][  T227]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.477235][  T227]  ops_init (net/core/net_namespace.c:137)
[   10.477381][  T227]  setup_net (net/core/net_namespace.c:446)
[   10.477530][  T227]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.477720][  T227]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.477897][  T227]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.478087][  T227]  copy_net_ns (net/core/net_namespace.c:579)
[   10.478268][  T227]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.478447][  T227]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.478632][  T227]  ksys_unshare (kernel/fork.c:3243)
[   10.478822][  T227]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.478998][  T227]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.479189][  T227]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.479370][  T227]  ? __ia32_sys_open (fs/open.c:1374)
[   10.479556][  T227]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.479747][  T227]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.479924][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.480111][  T227]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.480287][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.480465][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.480694][  T227] RIP: 0033:0x7fc713af5bcb
[   10.480879][  T227] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.481394][  T227] RSP: 002b:00007fffbd379fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.481645][  T227] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc713af5bcb
[   10.481902][  T227] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.482150][  T227] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.482389][  T227] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffbd37c210
[   10.482638][  T227] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffbd37d887
| [   10.487150][  T227] ------------[ cut here ]------------
| [   10.487327][  T227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/227
| [   10.487608][  T227] Modules linked in:
| [   10.488089][  T227] Tainted: [W]=WARN
[   10.488235][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.488445][  T227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.488681][  T227] 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
[   10.489200][  T227] RSP: 0018:ffa0000000a87a68 EFLAGS: 00010286
[   10.489412][  T227] RAX: 00000000ffffffa6 RBX: ff1100000ddbd700 RCX: 1ff4000000150f13
[   10.489672][  T227] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ddbd7bc
[   10.489917][  T227] RBP: ff1100000ffe4000 R08: 1fe2200001bb7af9 R09: ff1100000f952e80
[   10.490166][  T227] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.490408][  T227] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ffe4000
[   10.490672][  T227] FS:  00007fc713833840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   10.490951][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.491172][  T227] CR2: 00007fecdbe22000 CR3: 000000000ba07005 CR4: 0000000000771ef0
[   10.491416][  T227] PKRU: 55555554
[   10.491568][  T227] Call Trace:
[   10.491726][  T227]  <TASK>
[   10.491841][  T227]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.492020][  T227]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.492212][  T227]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.492360][  T227]  register_netdevice (net/core/dev.c:11488)
[   10.492543][  T227]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.492769][  T227]  register_netdev (net/core/dev.c:11552)
[   10.492948][  T227]  sit_init_net (net/ipv6/sit.c:1860)
[   10.493136][  T227]  ops_init (net/core/net_namespace.c:137)
[   10.493284][  T227]  setup_net (net/core/net_namespace.c:446)
[   10.493431][  T227]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.493617][  T227]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.493805][  T227]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.493985][  T227]  copy_net_ns (net/core/net_namespace.c:579)
[   10.494177][  T227]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.494361][  T227]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.494544][  T227]  ksys_unshare (kernel/fork.c:3243)
[   10.494735][  T227]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.494917][  T227]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.495107][  T227]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.495289][  T227]  ? __ia32_sys_open (fs/open.c:1374)
[   10.495469][  T227]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.495665][  T227]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.495842][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.496020][  T227]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.496210][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.496389][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.496608][  T227] RIP: 0033:0x7fc713af5bcb
[   10.496806][  T227] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.497318][  T227] RSP: 002b:00007fffbd379fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.497573][  T227] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc713af5bcb
[   10.497832][  T227] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.498080][  T227] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.498322][  T227] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffbd37c210
[   10.498574][  T227] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffbd37d887
| [   10.504740][  T227] ------------[ cut here ]------------
| [   10.504923][  T227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/227
| [   10.505205][  T227] Modules linked in:
| [   10.505745][  T227] Tainted: [W]=WARN
[   10.505946][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.506226][  T227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.506502][  T227] 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
[   10.507092][  T227] RSP: 0018:ffa0000000a87a78 EFLAGS: 00010286
[   10.507359][  T227] RAX: 00000000ffffffa6 RBX: ff11000004fa1c40 RCX: 1ff4000000150f15
[   10.507679][  T227] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004fa1cfc
[   10.507973][  T227] RBP: ff1100000ff79000 R08: 1fe22000009f43a1 R09: ff1100000f952e80
[   10.508274][  T227] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.508573][  T227] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff79000
[   10.508887][  T227] FS:  00007fc713833840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   10.509225][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.509489][  T227] CR2: 00007fecdbe22000 CR3: 000000000ba07005 CR4: 0000000000771ef0
[   10.509806][  T227] PKRU: 55555554
[   10.510003][  T227] Call Trace:
[   10.510211][  T227]  <TASK>
[   10.510378][  T227]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.510617][  T227]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.510859][  T227]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.511068][  T227]  register_netdevice (net/core/dev.c:11488)
[   10.511301][  T227]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.511570][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.511820][  T227]  register_netdev (net/core/dev.c:11552)
[   10.512058][  T227]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   10.512291][  T227]  ops_init (net/core/net_namespace.c:137)
[   10.512490][  T227]  setup_net (net/core/net_namespace.c:446)
[   10.512713][  T227]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.512946][  T227]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.513190][  T227]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.513427][  T227]  copy_net_ns (net/core/net_namespace.c:579)
[   10.513686][  T227]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.513921][  T227]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.514165][  T227]  ksys_unshare (kernel/fork.c:3243)
[   10.514400][  T227]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.514640][  T227]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.514885][  T227]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.515127][  T227]  ? __ia32_sys_open (fs/open.c:1374)
[   10.515367][  T227]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.515607][  T227]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.515853][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.516093][  T227]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.516329][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.516570][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.516846][  T227] RIP: 0033:0x7fc713af5bcb
[   10.517092][  T227] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.517684][  T227] RSP: 002b:00007fffbd379fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.517980][  T227] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc713af5bcb
[   10.518289][  T227] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.518588][  T227] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.518896][  T227] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffbd37c210
[   10.519198][  T227] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffbd37d887
| [   10.557019][  T228] ------------[ cut here ]------------
| [   10.557168][  T228] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/228
| [   10.557397][  T228] Modules linked in:
| [   10.557765][  T228] Tainted: [W]=WARN
[   10.557862][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.558023][  T228] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.558199][  T228] 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
[   10.558665][  T228] RSP: 0018:ffa0000000a97020 EFLAGS: 00010286
[   10.558827][  T228] RAX: 00000000ffffffa6 RBX: ff1100000aa558c0 RCX: 1ff4000000152dca
[   10.559016][  T228] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aa5597c
[   10.559213][  T228] RBP: ff11000008f39000 R08: 1fe220000154ab31 R09: ff1100000f950b58
[   10.559404][  T228] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.559597][  T228] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.559793][  T228] FS:  00007f30eeb6f840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   10.560017][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.560181][  T228] CR2: 0000000015724988 CR3: 0000000004b98002 CR4: 0000000000771ef0
[   10.560373][  T228] PKRU: 55555554
[   10.560469][  T228] Call Trace:
[   10.560569][  T228]  <TASK>
[   10.560635][  T228]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.560771][  T228]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.560868][  T228]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.560995][  T228]  __dev_notify_flags (net/core/dev.c:9787)
[   10.561130][  T228]  ? netif_change_name (net/core/dev.c:1495)
[   10.561261][  T228]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.561389][  T228]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.561519][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.561648][  T228]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.561785][  T228]  netif_change_flags (net/core/dev.c:9820)
[   10.561915][  T228]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.562050][  T228]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.562181][  T228]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.562311][  T228]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.562470][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.562602][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.562740][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.562867][  T228]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.562996][  T228]  ? __kernel_text_address (kernel/extable.c:79)
[   10.563131][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.563261][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.563389][  T228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.563520][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.563649][  T228]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.563782][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.563910][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.564037][  T228]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.564173][  T228]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.564301][  T228]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.564429][  T228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.564563][  T228]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.564699][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.564831][  T228]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.564962][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.565096][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.565223][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.565350][  T228]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.565479][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.565612][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.565744][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.565871][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.566001][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.566135][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.566263][  T228]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.566390][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.566521][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.566649][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.566784][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.566911][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.567046][  T228]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.567173][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.567301][  T228]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.567432][  T228]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.567562][  T228]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.567696][  T228]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.567826][  T228]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.567956][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.568089][  T228]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.568219][  T228]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.568347][  T228]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.568477][  T228]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.568608][  T228]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.568741][  T228]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.568901][  T228]  ? move_addr_to_kernel (net/socket.c:258)
[   10.569030][  T228]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.569161][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.569290][  T228]  ___sys_sendmsg (net/socket.c:2752)
[   10.569417][  T228]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.569578][  T228]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.569724][  T228]  __sys_sendmsg (net/socket.c:2784)
[   10.569853][  T228]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.569982][  T228]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.570149][  T228]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.570279][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.570408][  T228]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.570539][  T228]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.570672][  T228]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.570801][  T228]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.570962][  T228] RIP: 0033:0x7f30eeda908e
[   10.571103][  T228] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.571563][  T228] RSP: 002b:00007ffde4e78020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.571761][  T228] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f30eeda908e
[   10.571952][  T228] RDX: 0000000000000000 RSI: 00007ffde4e780d0 RDI: 0000000000000005
[   10.572149][  T228] RBP: 00007ffde4e78030 R08: 0000000000000000 R09: 0000000000000000
[   10.572339][  T228] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d834
[   10.572534][  T228] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffde4e787a0
| [   10.690504][  T232] ------------[ cut here ]------------
| [   10.690696][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/232
| [   10.690972][  T232] Modules linked in:
| [   10.691435][  T232] Tainted: [W]=WARN
[   10.691588][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.691809][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.692025][  T232] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   10.692545][  T232] RSP: 0018:ffa0000000ad7a80 EFLAGS: 00010286
[   10.692766][  T232] RAX: 00000000ffffffa6 RBX: ff11000004fa0740 RCX: 1ff400000015af16
[   10.693004][  T232] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004fa07fc
[   10.693250][  T232] RBP: ff110000087cc000 R08: 1fe22000009f4101 R09: ff1100000fa9d180
[   10.693493][  T232] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.693752][  T232] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000087cc000
[   10.693994][  T232] FS:  00007fae9a922840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   10.694276][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.694486][  T232] CR2: 00007fae9ab29430 CR3: 000000000fd47006 CR4: 0000000000771ef0
[   10.694749][  T232] PKRU: 55555554
[   10.694893][  T232] Call Trace:
[   10.695037][  T232]  <TASK>
[   10.695161][  T232]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.695338][  T232]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.695518][  T232]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.695679][  T232]  register_netdevice (net/core/dev.c:11488)
[   10.695861][  T232]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.696077][  T232]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.696255][  T232]  register_netdev (net/core/dev.c:11552)
[   10.696431][  T232]  loopback_net_init (drivers/net/loopback.c:218)
[   10.696615][  T232]  ops_init (net/core/net_namespace.c:137)
[   10.696772][  T232]  setup_net (net/core/net_namespace.c:446)
[   10.696918][  T232]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.697102][  T232]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.697282][  T232]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.697462][  T232]  copy_net_ns (net/core/net_namespace.c:579)
[   10.697647][  T232]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.697840][  T232]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.698018][  T232]  ksys_unshare (kernel/fork.c:3243)
[   10.698204][  T232]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.698383][  T232]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.698568][  T232]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.698760][  T232]  ? __ia32_sys_open (fs/open.c:1374)
[   10.698939][  T232]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.699122][  T232]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.699298][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.699473][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.699667][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.699846][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.700060][  T232] RIP: 0033:0x7fae9abe4bcb
[   10.700242][  T232] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.700768][  T232] RSP: 002b:00007ffef604c5e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.701013][  T232] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fae9abe4bcb
[   10.701258][  T232] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.701497][  T232] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.701755][  T232] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffef604e810
[   10.701997][  T232] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffef604f888
| [   10.706163][  T232] ------------[ cut here ]------------
| [   10.706339][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/232
| [   10.706621][  T232] Modules linked in:
| [   10.707091][  T232] Tainted: [W]=WARN
[   10.707236][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.707444][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.707681][  T232] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   10.708190][  T232] RSP: 0018:ffa0000000ad7918 EFLAGS: 00010286
[   10.708400][  T232] RAX: 00000000ffffffa6 RBX: ff1100000be30ac0 RCX: 1ff400000015aee9
[   10.708649][  T232] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be30b7c
[   10.708901][  T232] RBP: ff11000009031000 R08: 1fe22000017c6171 R09: ff1100000fa9d180
[   10.709148][  T232] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.709385][  T232] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009031000
[   10.709635][  T232] FS:  00007fae9a922840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   10.709921][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.710138][  T232] CR2: 00007fae9ab29430 CR3: 000000000fd47006 CR4: 0000000000771ef0
[   10.710378][  T232] PKRU: 55555554
[   10.710523][  T232] Call Trace:
[   10.710679][  T232]  <TASK>
[   10.710794][  T232]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.710972][  T232]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.711153][  T232]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.711300][  T232]  register_netdevice (net/core/dev.c:11488)
[   10.711477][  T232]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.711701][  T232]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.711879][  T232]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.712062][  T232]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.712242][  T232]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.712418][  T232]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.712603][  T232]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.712794][  T232]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   10.712971][  T232]  ops_init (net/core/net_namespace.c:137)
[   10.713124][  T232]  setup_net (net/core/net_namespace.c:446)
[   10.713269][  T232]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.713443][  T232]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.713628][  T232]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.713819][  T232]  copy_net_ns (net/core/net_namespace.c:579)
[   10.713996][  T232]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.714182][  T232]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.714359][  T232]  ksys_unshare (kernel/fork.c:3243)
[   10.714538][  T232]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.714730][  T232]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.714906][  T232]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.715091][  T232]  ? __ia32_sys_open (fs/open.c:1374)
[   10.715268][  T232]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.715442][  T232]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.715623][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.715812][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.715988][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.716177][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.716387][  T232] RIP: 0033:0x7fae9abe4bcb
[   10.716576][  T232] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.717095][  T232] RSP: 002b:00007ffef604c5e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.717336][  T232] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fae9abe4bcb
[   10.717581][  T232] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.717829][  T232] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.718074][  T232] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffef604e810
[   10.718314][  T232] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffef604f888
| [   10.722912][  T232] ------------[ cut here ]------------
| [   10.723090][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/232
| [   10.723366][  T232] Modules linked in:
| [   10.723839][  T232] Tainted: [W]=WARN
[   10.723984][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.724201][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.724419][  T232] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   10.724948][  T232] RSP: 0018:ffa0000000ad78f8 EFLAGS: 00010286
[   10.725167][  T232] RAX: 00000000ffffffa6 RBX: ff1100000c531540 RCX: 1ff400000015aee5
[   10.725408][  T232] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5315fc
[   10.725669][  T232] RBP: ff1100000f0b9000 R08: 1fe22000018a62c1 R09: ff1100000fa9d180
[   10.725909][  T232] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.726154][  T232] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f0b9000
[   10.726398][  T232] FS:  00007fae9a922840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   10.726692][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.726902][  T232] CR2: 00007fae9ab29430 CR3: 000000000fd47006 CR4: 0000000000771ef0
[   10.727151][  T232] PKRU: 55555554
[   10.727295][  T232] Call Trace:
[   10.727439][  T232]  <TASK>
[   10.727559][  T232]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.727754][  T232]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.727932][  T232]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.728088][  T232]  register_netdevice (net/core/dev.c:11488)
[   10.728267][  T232]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.728476][  T232]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.728673][  T232]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.728851][  T232]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.729032][  T232]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.729221][  T232]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.729400][  T232]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.729586][  T232]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   10.729778][  T232]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.729959][  T232]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.730147][  T232]  ops_init (net/core/net_namespace.c:137)
[   10.730295][  T232]  setup_net (net/core/net_namespace.c:446)
[   10.730445][  T232]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.730628][  T232]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.730824][  T232]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.731005][  T232]  copy_net_ns (net/core/net_namespace.c:579)
[   10.731191][  T232]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.731372][  T232]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.731560][  T232]  ksys_unshare (kernel/fork.c:3243)
[   10.731754][  T232]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.731932][  T232]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.732118][  T232]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.732297][  T232]  ? __ia32_sys_open (fs/open.c:1374)
[   10.732477][  T232]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.732671][  T232]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.732849][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.733029][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.733218][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.733396][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.733612][  T232] RIP: 0033:0x7fae9abe4bcb
[   10.733806][  T232] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.734321][  T232] RSP: 002b:00007ffef604c5e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.734572][  T232] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fae9abe4bcb
[   10.734825][  T232] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.735072][  T232] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.735315][  T232] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffef604e810
[   10.735562][  T232] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffef604f888
| [   10.740066][  T232] ------------[ cut here ]------------
| [   10.740242][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/232
| [   10.740514][  T232] Modules linked in:
| [   10.740984][  T232] Tainted: [W]=WARN
[   10.741144][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.741353][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.741577][  T232] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   10.742098][  T232] RSP: 0018:ffa0000000ad7a78 EFLAGS: 00010286
[   10.742312][  T232] RAX: 00000000ffffffa6 RBX: ff1100000c530740 RCX: 1ff400000015af15
[   10.742558][  T232] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5307fc
[   10.742809][  T232] RBP: ff1100000de61000 R08: 1fe22000018a6101 R09: ff1100000fa9d180
[   10.743054][  T232] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.743296][  T232] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000de61000
[   10.743543][  T232] FS:  00007fae9a922840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   10.743828][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.744037][  T232] CR2: 00007fae9ab29430 CR3: 000000000fd47006 CR4: 0000000000771ef0
[   10.744288][  T232] PKRU: 55555554
[   10.744431][  T232] Call Trace:
[   10.744582][  T232]  <TASK>
[   10.744705][  T232]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.744883][  T232]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.745068][  T232]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.745216][  T232]  register_netdevice (net/core/dev.c:11488)
[   10.745394][  T232]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.745612][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.745804][  T232]  register_netdev (net/core/dev.c:11552)
[   10.745981][  T232]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.746169][  T232]  ops_init (net/core/net_namespace.c:137)
[   10.746315][  T232]  setup_net (net/core/net_namespace.c:446)
[   10.746461][  T232]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.746642][  T232]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.746832][  T232]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.747013][  T232]  copy_net_ns (net/core/net_namespace.c:579)
[   10.747200][  T232]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.747378][  T232]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.747561][  T232]  ksys_unshare (kernel/fork.c:3243)
[   10.747764][  T232]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.747946][  T232]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.748136][  T232]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.748316][  T232]  ? __ia32_sys_open (fs/open.c:1374)
[   10.748493][  T232]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.748687][  T232]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.748861][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.749036][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.749219][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.749397][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.749613][  T232] RIP: 0033:0x7fae9abe4bcb
[   10.749807][  T232] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.750316][  T232] RSP: 002b:00007ffef604c5e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.750563][  T232] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fae9abe4bcb
[   10.750818][  T232] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.751064][  T232] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.751302][  T232] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffef604e810
[   10.751546][  T232] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffef604f888
| [   10.756381][  T232] ------------[ cut here ]------------
| [   10.756558][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/232
| [   10.756845][  T232] Modules linked in:
| [   10.757306][  T232] Tainted: [W]=WARN
[   10.757450][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.757675][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.757890][  T232] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   10.758403][  T232] RSP: 0018:ffa0000000ad7a68 EFLAGS: 00010286
[   10.758622][  T232] RAX: 00000000ffffffa6 RBX: ff1100000be318c0 RCX: 1ff400000015af13
[   10.759426][  T232] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be3197c
[   10.759742][  T232] RBP: ff1100000de84000 R08: 1fe22000017c6331 R09: ff1100000fa9d180
[   10.760035][  T232] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.760334][  T232] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000de84000
[   10.760636][  T232] FS:  00007fae9a922840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   10.760978][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.761247][  T232] CR2: 00007fae9ab29430 CR3: 000000000fd47006 CR4: 0000000000771ef0
[   10.761559][  T232] PKRU: 55555554
[   10.761764][  T232] Call Trace:
[   10.761960][  T232]  <TASK>
[   10.762130][  T232]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.762362][  T232]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.762598][  T232]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.762810][  T232]  register_netdevice (net/core/dev.c:11488)
[   10.763040][  T232]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.763312][  T232]  register_netdev (net/core/dev.c:11552)
[   10.763551][  T232]  sit_init_net (net/ipv6/sit.c:1860)
[   10.763790][  T232]  ops_init (net/core/net_namespace.c:137)
[   10.763989][  T232]  setup_net (net/core/net_namespace.c:446)
[   10.764200][  T232]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.764430][  T232]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.764682][  T232]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.764913][  T232]  copy_net_ns (net/core/net_namespace.c:579)
[   10.765144][  T232]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.765374][  T232]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.765609][  T232]  ksys_unshare (kernel/fork.c:3243)
[   10.765853][  T232]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.766090][  T232]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.766319][  T232]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.766557][  T232]  ? __ia32_sys_open (fs/open.c:1374)
[   10.766800][  T232]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.767027][  T232]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.767263][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.767493][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.767741][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.767973][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.768236][  T232] RIP: 0033:0x7fae9abe4bcb
[   10.768471][  T232] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.769057][  T232] RSP: 002b:00007ffef604c5e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.769350][  T232] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fae9abe4bcb
[   10.769648][  T232] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.769999][  T232] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.770304][  T232] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffef604e810
[   10.770601][  T232] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffef604f888
| [   10.780410][  T232] ------------[ cut here ]------------
| [   10.780561][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/232
| [   10.780796][  T232] Modules linked in:
| [   10.781164][  T232] Tainted: [W]=WARN
[   10.781261][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.781423][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.781596][  T232] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   10.782064][  T232] RSP: 0018:ffa0000000ad7a78 EFLAGS: 00010286
[   10.782229][  T232] RAX: 00000000ffffffa6 RBX: ff1100000dc6e3c0 RCX: 1ff400000015af15
[   10.782426][  T232] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc6e47c
[   10.782622][  T232] RBP: ff1100000fb61000 R08: 1fe2200001b8dc91 R09: ff1100000fa9d180
[   10.782822][  T232] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.783014][  T232] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fb61000
[   10.783215][  T232] FS:  00007fae9a922840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   10.783442][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.783607][  T232] CR2: 00007fc713900574 CR3: 000000000fd47003 CR4: 0000000000771ef0
[   10.783807][  T232] PKRU: 55555554
[   10.783904][  T232] Call Trace:
[   10.784001][  T232]  <TASK>
[   10.784073][  T232]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.784205][  T232]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.784335][  T232]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.784433][  T232]  register_netdevice (net/core/dev.c:11488)
[   10.784569][  T232]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.784735][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.784867][  T232]  register_netdev (net/core/dev.c:11552)
[   10.784998][  T232]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   10.785133][  T232]  ops_init (net/core/net_namespace.c:137)
[   10.785232][  T232]  setup_net (net/core/net_namespace.c:446)
[   10.785331][  T232]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.785459][  T232]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.785592][  T232]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.785729][  T232]  copy_net_ns (net/core/net_namespace.c:579)
[   10.785858][  T232]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.785990][  T232]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.786123][  T232]  ksys_unshare (kernel/fork.c:3243)
[   10.786251][  T232]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.786379][  T232]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.786512][  T232]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.786641][  T232]  ? __ia32_sys_open (fs/open.c:1374)
[   10.786778][  T232]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.786907][  T232]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.787036][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.787170][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.787299][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.787429][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.787593][  T232] RIP: 0033:0x7fae9abe4bcb
[   10.787793][  T232] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.788258][  T232] RSP: 002b:00007ffef604c5e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.788454][  T232] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fae9abe4bcb
[   10.788650][  T232] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.788868][  T232] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.789065][  T232] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffef604e810
[   10.789257][  T232] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffef604f888
| [   10.812593][  T233] ------------[ cut here ]------------
| [   10.813337][  T233] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/233
| [   10.813572][  T233] Modules linked in:
| [   10.813966][  T233] Tainted: [W]=WARN
[   10.814070][  T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.814230][  T233] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.814396][  T233] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   10.814862][  T233] RSP: 0018:ffa0000000ae7020 EFLAGS: 00010286
[   10.815024][  T233] RAX: 00000000ffffffa6 RBX: ff11000010010c80 RCX: 1ff400000015cdca
[   10.815221][  T233] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010010d3c
[   10.815410][  T233] RBP: ff110000087cc000 R08: 1fe22000020021a9 R09: ff1100000fa9ae58
[   10.815605][  T233] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.815807][  T233] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.815999][  T233] FS:  00007ff380c84840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   10.816233][  T233] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.816393][  T233] CR2: 000000000f757988 CR3: 000000000fd5f001 CR4: 0000000000771ef0
[   10.816590][  T233] PKRU: 55555554
[   10.816693][  T233] Call Trace:
[   10.816788][  T233]  <TASK>
[   10.816854][  T233]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.816985][  T233]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.817088][  T233]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.817215][  T233]  __dev_notify_flags (net/core/dev.c:9787)
[   10.817344][  T233]  ? netif_change_name (net/core/dev.c:1495)
[   10.817474][  T233]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.817609][  T233]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.817744][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.817873][  T233]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.818003][  T233]  netif_change_flags (net/core/dev.c:9820)
[   10.818138][  T233]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.818269][  T233]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.818399][  T233]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.818533][  T233]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.818698][  T233]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.818826][  T233]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.818954][  T233]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.819088][  T233]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.819217][  T233]  ? __kernel_text_address (kernel/extable.c:79)
[   10.819348][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.819478][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.819608][  T233]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.819742][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.819871][  T233]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.819999][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.820131][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.820259][  T233]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.820388][  T233]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.820519][  T233]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.820647][  T233]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.820867][  T233]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.820999][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.821136][  T233]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.821266][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.821394][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.821527][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.821731][  T233]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.821861][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.821992][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.822126][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.822254][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.822416][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.822549][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.822734][  T233]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.822863][  T233]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.822991][  T233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.823122][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.823253][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.823380][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.823512][  T233]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.823643][  T233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.823836][  T233]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.823969][  T233]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.824102][  T233]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.824232][  T233]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.824363][  T233]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.824494][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.824628][  T233]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.824841][  T233]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.824972][  T233]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.825107][  T233]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.825236][  T233]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.825365][  T233]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.825530][  T233]  ? move_addr_to_kernel (net/socket.c:258)
[   10.825728][  T233]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.825859][  T233]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.825989][  T233]  ___sys_sendmsg (net/socket.c:2752)
[   10.826123][  T233]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.826283][  T233]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.826426][  T233]  __sys_sendmsg (net/socket.c:2784)
[   10.826557][  T233]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.826750][  T233]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.826912][  T233]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.827046][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.827178][  T233]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.827307][  T233]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.827435][  T233]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.827567][  T233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.827812][  T233] RIP: 0033:0x7ff380ebe08e
[   10.827948][  T233] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.828408][  T233] RSP: 002b:00007fff8dc1bcc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.828605][  T233] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff380ebe08e
[   10.828880][  T233] RDX: 0000000000000000 RSI: 00007fff8dc1bd70 RDI: 0000000000000005
[   10.829077][  T233] RBP: 00007fff8dc1bcd0 R08: 0000000000000000 R09: 0000000000000000
[   10.829270][  T233] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d835
[   10.829460][  T233] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8dc1c440
| [   11.077807][  T243] ------------[ cut here ]------------
| [   11.077996][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/243
| [   11.078291][  T243] Modules linked in:
| [   11.078739][  T243] Tainted: [W]=WARN
[   11.078845][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.079021][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.079202][  T243] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   11.079689][  T243] RSP: 0018:ffa00000008d6e30 EFLAGS: 00010286
[   11.079866][  T243] RAX: 00000000ffffffa6 RBX: ff11000010011380 RCX: 1ff400000011ad8c
[   11.080073][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001001143c
[   11.080273][  T243] RBP: ff1100000f07c000 R08: 1fe2200002002289 R09: ff11000009c25180
[   11.080474][  T243] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.080686][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004d83880
[   11.080888][  T243] FS:  00007f7f10034840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   11.081128][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.081298][  T243] CR2: 00000000004eb188 CR3: 000000000df8a001 CR4: 0000000000771ef0
[   11.081501][  T243] PKRU: 55555554
[   11.081605][  T243] Call Trace:
[   11.081711][  T243]  <TASK>
[   11.081782][  T243]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.081950][  T243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.082090][  T243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.082193][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.082327][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.082462][  T243]  __dev_notify_flags (net/core/dev.c:9787)
[   11.082602][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.082802][  T243]  ? netif_change_name (net/core/dev.c:1495)
[   11.082938][  T243]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   11.083080][  T243]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   11.083250][  T243]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   11.083420][  T243]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.083559][  T243]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.083752][  T243]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.083889][  T243]  veth_newlink (drivers/net/veth.c:1871)
[   11.084024][  T243]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   11.084164][  T243]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.084298][  T243]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.084432][  T243]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.084586][  T243]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.084780][  T243]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.084973][  T243]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.085112][  T243]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.085248][  T243]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.085383][  T243]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.085523][  T243]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.085715][  T243]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.085851][  T243]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.085992][  T243]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.086137][  T243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.086274][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.086407][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.086545][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.086737][  T243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.086871][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.087012][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.087155][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.087291][  T243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.087427][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.087565][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.087754][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.087891][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.088024][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.088168][  T243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.088303][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.088438][  T243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.088580][  T243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.088773][  T243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.088926][  T243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.089067][  T243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.089204][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.089339][  T243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.089475][  T243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.089615][  T243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.089844][  T243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.089979][  T243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.090120][  T243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.090287][  T243]  ? move_addr_to_kernel (net/socket.c:258)
[   11.090424][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.090563][  T243]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   11.090775][  T243]  ___sys_sendmsg (net/socket.c:2752)
[   11.090909][  T243]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   11.091047][  T243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.091187][  T243]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   11.091326][  T243]  ? 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))
[   11.091463][  T243]  __sys_sendmsg (net/socket.c:2784)
[   11.091602][  T243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.091828][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.091963][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.092105][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.092238][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.092371][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.092509][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.092754][  T243] RIP: 0033:0x7f7f1026e08e
[   11.092895][  T243] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.093379][  T243] RSP: 002b:00007ffc983d3c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.093584][  T243] RAX: ffffffffffffffda RBX: 00007ffc983d4398 RCX: 00007f7f1026e08e
[   11.093850][  T243] RDX: 0000000000000000 RSI: 00007ffc983d3cb0 RDI: 0000000000000005
[   11.094053][  T243] RBP: 00007ffc983d3c10 R08: 0000000000000000 R09: 0000000000000000
[   11.094254][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d835
[   11.094456][  T243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc983d4370
| [   11.102549][  T243] ------------[ cut here ]------------
| [   11.103185][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/243
| [   11.103423][  T243] Modules linked in:
| [   11.103853][  T243] Tainted: [W]=WARN
[   11.103953][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.104122][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.104354][  T243] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   11.104887][  T243] RSP: 0018:ffa00000008d71b0 EFLAGS: 00010286
[   11.105057][  T243] RAX: 00000000ffffffa6 RBX: ff110000121b83c0 RCX: 1ff400000011adfc
[   11.105255][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121b847c
[   11.105455][  T243] RBP: ff1100000f079000 R08: 1fe2200002437091 R09: ff11000009c25180
[   11.105712][  T243] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.105918][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   11.106121][  T243] FS:  00007f7f10034840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   11.106353][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.106523][  T243] CR2: 00000000004eb188 CR3: 000000000df8a001 CR4: 0000000000771ef0
[   11.106778][  T243] PKRU: 55555554
[   11.106878][  T243] Call Trace:
[   11.106976][  T243]  <TASK>
[   11.107049][  T243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.107185][  T243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.107287][  T243]  __dev_notify_flags (net/core/dev.c:9787)
[   11.107421][  T243]  ? netif_change_name (net/core/dev.c:1495)
[   11.107559][  T243]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.107748][  T243]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.107884][  T243]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.108018][  T243]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.108158][  T243]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.108291][  T243]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.108422][  T243]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.108565][  T243]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.108756][  T243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.108891][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.109022][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.109158][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.109292][  T243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.109430][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.109570][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.109760][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.109894][  T243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.110027][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.110165][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.110297][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.110434][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.110570][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.110760][  T243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.110900][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.111032][  T243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.111174][  T243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.111306][  T243]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.111441][  T243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.111579][  T243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.111769][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.111909][  T243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.112047][  T243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.112182][  T243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.112316][  T243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.112448][  T243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.112583][  T243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.112811][  T243]  ? move_addr_to_kernel (net/socket.c:258)
[   11.112945][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.113085][  T243]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   11.113218][  T243]  ___sys_sendmsg (net/socket.c:2752)
[   11.113349][  T243]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   11.113482][  T243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.113621][  T243]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   11.113818][  T243]  ? 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))
[   11.113954][  T243]  __sys_sendmsg (net/socket.c:2784)
[   11.114090][  T243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.114226][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.114357][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.114492][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.114634][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.114824][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.114957][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.115124][  T243] RIP: 0033:0x7f7f1026e08e
[   11.115263][  T243] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.115807][  T243] RSP: 002b:00007ffc983d3c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.116006][  T243] RAX: ffffffffffffffda RBX: 00007ffc983d4398 RCX: 00007f7f1026e08e
[   11.116218][  T243] RDX: 0000000000000000 RSI: 00007ffc983d3cb0 RDI: 0000000000000005
[   11.116417][  T243] RBP: 00007ffc983d3c10 R08: 0000000000000000 R09: 0000000000000000
[   11.116625][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d835
[   11.116880][  T243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc983d4370
| [   11.222685][  T247] ------------[ cut here ]------------
| [   11.222833][  T247] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/247
| [   11.223065][  T247] Modules linked in:
| [   11.223427][  T247] Tainted: [W]=WARN
[   11.223529][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.223699][  T247] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.223875][  T247] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   11.224346][  T247] RSP: 0018:ffa0000000b37020 EFLAGS: 00010286
[   11.224509][  T247] RAX: 00000000ffffffa6 RBX: ff110000121b9a80 RCX: 1ff4000000166dca
[   11.224707][  T247] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121b9b3c
[   11.224896][  T247] RBP: ff1100000f079000 R08: 1fe2200002437369 R09: ff1100000fecd158
[   11.225090][  T247] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   11.225279][  T247] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.225470][  T247] FS:  00007f93cb48f840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   11.225699][  T247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.225862][  T247] CR2: 000000003c71c988 CR3: 000000000e66b002 CR4: 0000000000771ef0
[   11.226060][  T247] PKRU: 55555554
[   11.226155][  T247] Call Trace:
[   11.226251][  T247]  <TASK>
[   11.226318][  T247]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.226448][  T247]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.226547][  T247]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.226681][  T247]  __dev_notify_flags (net/core/dev.c:9787)
[   11.226812][  T247]  ? netif_change_name (net/core/dev.c:1495)
[   11.226940][  T247]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.227074][  T247]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.227200][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.227328][  T247]  ? 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))
[   11.227460][  T247]  netif_change_flags (net/core/dev.c:9820)
[   11.227592][  T247]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.227727][  T247]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.227857][  T247]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.227986][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.228150][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.228278][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.228406][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.228537][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.228670][  T247]  ? __kernel_text_address (kernel/extable.c:79)
[   11.228798][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.228928][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.229058][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.229187][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.229315][  T247]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.229443][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.229573][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.229763][  T247]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.229894][  T247]  ? __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)
[   11.230021][  T247]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.230153][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.230282][  T247]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.230413][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.230548][  T247]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.230733][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.230861][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.230988][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.231119][  T247]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.231245][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.231375][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.231506][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.231633][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.231821][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.231949][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.232084][  T247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.232210][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.232337][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.232464][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.232598][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.232728][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.232856][  T247]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.232983][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.233116][  T247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.233246][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.233372][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.233503][  T247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.233635][  T247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.233770][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.233900][  T247]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.234029][  T247]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.234164][  T247]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.234293][  T247]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.234420][  T247]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.234550][  T247]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.234714][  T247]  ? move_addr_to_kernel (net/socket.c:258)
[   11.234842][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.234970][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.235106][  T247]  ___sys_sendmsg (net/socket.c:2752)
[   11.235233][  T247]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.235392][  T247]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.235536][  T247]  __sys_sendmsg (net/socket.c:2784)
[   11.235668][  T247]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.235795][  T247]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.235956][  T247]  ? 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)
[   11.236089][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.236218][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.236347][  T247]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.236475][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.236608][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.236772][  T247] RIP: 0033:0x7f93cb6c908e
[   11.236906][  T247] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.237366][  T247] RSP: 002b:00007ffef7d00cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.237564][  T247] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f93cb6c908e
[   11.237760][  T247] RDX: 0000000000000000 RSI: 00007ffef7d00d80 RDI: 0000000000000005
[   11.237951][  T247] RBP: 00007ffef7d00ce0 R08: 0000000000000000 R09: 0000000000000000
[   11.238147][  T247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d835
[   11.238338][  T247] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef7d01440
| [   11.357756][  T251] ------------[ cut here ]------------
| [   11.357907][  T251] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/251
| [   11.358138][  T251] Modules linked in:
| [   11.358562][  T251] Tainted: [W]=WARN
[   11.358667][  T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.358827][  T251] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.358996][  T251] 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
[   11.359465][  T251] RSP: 0018:ffa0000000957020 EFLAGS: 00010286
[   11.359631][  T251] RAX: 00000000ffffffa6 RBX: ff11000010339540 RCX: 1ff400000012adca
[   11.359831][  T251] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000103395fc
[   11.360024][  T251] RBP: ff1100000f07c000 R08: 1fe22000020672c1 R09: ff11000010178b58
[   11.360219][  T251] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   11.360411][  T251] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.360607][  T251] FS:  00007f178fe28840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   11.360841][  T251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.361002][  T251] CR2: 0000000023fde988 CR3: 00000000060fb003 CR4: 0000000000771ef0
[   11.361201][  T251] PKRU: 55555554
[   11.361297][  T251] Call Trace:
[   11.361392][  T251]  <TASK>
[   11.361460][  T251]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.361594][  T251]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.361699][  T251]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.361827][  T251]  __dev_notify_flags (net/core/dev.c:9787)
[   11.361956][  T251]  ? netif_change_name (net/core/dev.c:1495)
[   11.362090][  T251]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.362220][  T251]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.362349][  T251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.362478][  T251]  ? 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))
[   11.362612][  T251]  netif_change_flags (net/core/dev.c:9820)
[   11.362748][  T251]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.362877][  T251]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.363009][  T251]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.363144][  T251]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.363304][  T251]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.363433][  T251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.363567][  T251]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.363698][  T251]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.363826][  T251]  ? __kernel_text_address (kernel/extable.c:79)
[   11.363956][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.364091][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.364219][  T251]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.364348][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.364477][  T251]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.364608][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.364741][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.364870][  T251]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.365000][  T251]  ? __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)
[   11.365134][  T251]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.365261][  T251]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.365390][  T251]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.365526][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.365663][  T251]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.365794][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.365921][  T251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.366053][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.366182][  T251]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.366309][  T251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.366439][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.366573][  T251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.366707][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.366837][  T251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.366968][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.367103][  T251]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.367232][  T251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.367359][  T251]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.367488][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.367623][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.367761][  T251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.367890][  T251]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.368019][  T251]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.368155][  T251]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.368286][  T251]  ? 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))
[   11.368414][  T251]  ? 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))
[   11.368550][  T251]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.368686][  T251]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.368816][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.368946][  T251]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.369083][  T251]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.369213][  T251]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.369346][  T251]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.369475][  T251]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.369607][  T251]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.369772][  T251]  ? move_addr_to_kernel (net/socket.c:258)
[   11.369902][  T251]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.370031][  T251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.370167][  T251]  ___sys_sendmsg (net/socket.c:2752)
[   11.370295][  T251]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.370457][  T251]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.370601][  T251]  __sys_sendmsg (net/socket.c:2784)
[   11.370737][  T251]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.370867][  T251]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.371030][  T251]  ? 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)
[   11.371163][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.371292][  T251]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.371421][  T251]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.371556][  T251]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.371692][  T251]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.371853][  T251] RIP: 0033:0x7f179006208e
[   11.371987][  T251] 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
[   11.372454][  T251] RSP: 002b:00007ffc57938620 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.372659][  T251] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f179006208e
[   11.372852][  T251] RDX: 0000000000000000 RSI: 00007ffc579386d0 RDI: 0000000000000005
[   11.373051][  T251] RBP: 00007ffc57938630 R08: 0000000000000000 R09: 0000000000000000
[   11.373245][  T251] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d835
[   11.373436][  T251] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc57938d90
| [   11.375894][   T36] ------------[ cut here ]------------
| [   11.376060][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   11.376296][   T36] Modules linked in:
| [   11.376748][   T36] Tainted: [W]=WARN
[   11.376839][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.377023][   T36] Workqueue: events_unbound linkwatch_event
[   11.377190][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.377342][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   11.377944][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   11.378100][   T36] RAX: 00000000ffffffa6 RBX: ff1100000dda9000 RCX: 1ff4000000051f02
[   11.378275][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda90bc
[   11.378451][   T36] RBP: ff1100000f079000 R08: 1fe2200001bb5219 R09: ff11000001d751a8
[   11.378628][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   11.378835][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.379012][   T36] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   11.379224][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.379372][   T36] CR2: 00007f93cb71a2a0 CR3: 000000004994d004 CR4: 0000000000771ef0
[   11.379552][   T36] PKRU: 55555554
[   11.379644][   T36] Call Trace:
[   11.379743][   T36]  <TASK>
[   11.379804][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.379928][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.380050][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.380141][   T36]  netif_state_change (net/core/dev.c:1605)
[   11.380260][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.380412][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.380532][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.380656][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.380799][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.380920][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   11.381038][   T36]  process_one_work (kernel/workqueue.c:3314)
[   11.381165][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.381288][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.381410][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.381535][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.381659][   T36]  kthread (kernel/kthread.c:436)
[   11.381749][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.381895][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.382014][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.382141][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.382292][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.382411][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.382532][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.556702][  T259] ------------[ cut here ]------------
| [   11.556859][  T259] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/259
| [   11.557105][  T259] Modules linked in:
| [   11.557488][  T259] Tainted: [W]=WARN
[   11.557595][  T259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.557771][  T259] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.557949][  T259] 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
[   11.558434][  T259] RSP: 0018:ffa0000000b76e30 EFLAGS: 00010286
[   11.558608][  T259] RAX: 00000000ffffffa6 RBX: ff110000109cc900 RCX: 1ff400000016ed8c
[   11.558817][  T259] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109cc9bc
[   11.559020][  T259] RBP: ff1100000ea19000 R08: 1fe2200002139939 R09: ff1100000f98d180
[   11.559225][  T259] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.559428][  T259] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000bd53500
[   11.559634][  T259] FS:  00007f36ceaa7840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   11.559879][  T259] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.560056][  T259] CR2: 00000000004eb188 CR3: 0000000010aee002 CR4: 0000000000771ef0
[   11.560259][  T259] PKRU: 55555554
[   11.560362][  T259] Call Trace:
[   11.560463][  T259]  <TASK>
[   11.560538][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.560681][  T259]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.560819][  T259]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.560923][  T259]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.561065][  T259]  __dev_notify_flags (net/core/dev.c:9787)
[   11.561204][  T259]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.561340][  T259]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   11.561477][  T259]  ? netif_change_name (net/core/dev.c:1495)
[   11.561614][  T259]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.561757][  T259]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.561893][  T259]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.562030][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.562172][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.562307][  T259]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.562442][  T259]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.562580][  T259]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.562719][  T259]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.562857][  T259]  veth_newlink (drivers/net/veth.c:1871)
[   11.562993][  T259]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   11.563135][  T259]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.563271][  T259]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.563405][  T259]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.563561][  T259]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.563700][  T259]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.563838][  T259]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.563976][  T259]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.564119][  T259]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.564256][  T259]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.564394][  T259]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.564533][  T259]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.564675][  T259]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.564816][  T259]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.564955][  T259]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.565098][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.565232][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.565366][  T259]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.565500][  T259]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.565636][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.565780][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.565917][  T259]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.566057][  T259]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.566193][  T259]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.566329][  T259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.566462][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.566603][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.566743][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.566880][  T259]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.567015][  T259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.567158][  T259]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.567298][  T259]  ? 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))
[   11.567434][  T259]  ? 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))
[   11.567575][  T259]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.567718][  T259]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.567854][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.567991][  T259]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.568131][  T259]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.568267][  T259]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.568405][  T259]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.568544][  T259]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.568686][  T259]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.568854][  T259]  ? move_addr_to_kernel (net/socket.c:258)
[   11.568993][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.569135][  T259]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   11.569272][  T259]  ___sys_sendmsg (net/socket.c:2752)
[   11.569407][  T259]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   11.569548][  T259]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.569695][  T259]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   11.569833][  T259]  ? 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))
[   11.569970][  T259]  __sys_sendmsg (net/socket.c:2784)
[   11.570113][  T259]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.570253][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.570388][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.570529][  T259]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.570667][  T259]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.570803][  T259]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.570937][  T259]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.571110][  T259] RIP: 0033:0x7f36cece108e
[   11.571251][  T259] 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
[   11.571738][  T259] RSP: 002b:00007ffe73a62a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.571942][  T259] RAX: ffffffffffffffda RBX: 00007ffe73a63198 RCX: 00007f36cece108e
[   11.572149][  T259] RDX: 0000000000000000 RSI: 00007ffe73a62ab0 RDI: 0000000000000005
[   11.572353][  T259] RBP: 00007ffe73a62a10 R08: 0000000000000000 R09: 0000000000000000
[   11.572560][  T259] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d835
[   11.572766][  T259] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe73a63170
| [   11.590093][  T259] ------------[ cut here ]------------
| [   11.590239][  T259] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/259
| [   11.590476][  T259] Modules linked in:
| [   11.590854][  T259] Tainted: [W]=WARN
[   11.590956][  T259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.591128][  T259] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.591301][  T259] 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
[   11.591786][  T259] RSP: 0018:ffa0000000b771b0 EFLAGS: 00010286
[   11.591955][  T259] RAX: 00000000ffffffa6 RBX: ff1100000cbfe200 RCX: 1ff400000016edfc
[   11.592157][  T259] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cbfe2bc
[   11.592354][  T259] RBP: ff11000002654000 R08: 1fe220000197fc59 R09: ff1100000f98d180
[   11.592557][  T259] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.592760][  T259] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   11.592960][  T259] FS:  00007f36ceaa7840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   11.593201][  T259] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.593370][  T259] CR2: 00000000004eb188 CR3: 0000000010aee002 CR4: 0000000000771ef0
[   11.593576][  T259] PKRU: 55555554
[   11.593680][  T259] Call Trace:
[   11.593780][  T259]  <TASK>
[   11.593850][  T259]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.593985][  T259]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.594091][  T259]  __dev_notify_flags (net/core/dev.c:9787)
[   11.594226][  T259]  ? netif_change_name (net/core/dev.c:1495)
[   11.594361][  T259]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.594495][  T259]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.594633][  T259]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.594774][  T259]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.594908][  T259]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.595041][  T259]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.595178][  T259]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.595317][  T259]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.595455][  T259]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.595594][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.595731][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.595867][  T259]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.595999][  T259]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.596138][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.596275][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.596410][  T259]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.596547][  T259]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.596719][  T259]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.596853][  T259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.597041][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.597183][  T259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.597315][  T259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.597448][  T259]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.597582][  T259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.597721][  T259]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.597858][  T259]  ? 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))
[   11.597992][  T259]  ? 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))
[   11.598131][  T259]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.598266][  T259]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.598398][  T259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.598535][  T259]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.598675][  T259]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.598811][  T259]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.598946][  T259]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.599084][  T259]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.599218][  T259]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.599382][  T259]  ? move_addr_to_kernel (net/socket.c:258)
[   11.599519][  T259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.599659][  T259]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   11.599794][  T259]  ___sys_sendmsg (net/socket.c:2752)
[   11.599927][  T259]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   11.600067][  T259]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.600206][  T259]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   11.600343][  T259]  ? 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))
[   11.600479][  T259]  __sys_sendmsg (net/socket.c:2784)
[   11.600613][  T259]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.600757][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.600891][  T259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.601026][  T259]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.601166][  T259]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.601299][  T259]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.601432][  T259]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.601599][  T259] RIP: 0033:0x7f36cece108e
[   11.601745][  T259] 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
[   11.602223][  T259] RSP: 002b:00007ffe73a62a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.602422][  T259] RAX: ffffffffffffffda RBX: 00007ffe73a63198 RCX: 00007f36cece108e
[   11.602624][  T259] RDX: 0000000000000000 RSI: 00007ffe73a62ab0 RDI: 0000000000000005
[   11.602827][  T259] RBP: 00007ffe73a62a10 R08: 0000000000000000 R09: 0000000000000000
[   11.603026][  T259] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d835
[   11.603230][  T259] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe73a63170
| [   11.704060][  T263] ------------[ cut here ]------------
| [   11.704242][  T263] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/263
| [   11.704518][  T263] Modules linked in:
| [   11.705053][  T263] Tainted: [W]=WARN
[   11.705198][  T263] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.705406][  T263] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.705628][  T263] 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
[   11.706156][  T263] RSP: 0018:ffa0000000b87020 EFLAGS: 00010286
[   11.706364][  T263] RAX: 00000000ffffffa6 RBX: ff1100000d1fa900 RCX: 1ff4000000170dca
[   11.706610][  T263] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1fa9bc
[   11.706859][  T263] RBP: ff11000002654000 R08: 1fe2200001a3f539 R09: ff1100000ffa8b58
[   11.707109][  T263] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   11.707348][  T263] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.707594][  T263] FS:  00007fa03f0ad840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   11.707878][  T263] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.708093][  T263] CR2: 0000000035239988 CR3: 00000000100b8002 CR4: 0000000000771ef0
[   11.708337][  T263] PKRU: 55555554
[   11.708480][  T263] Call Trace:
[   11.708627][  T263]  <TASK>
[   11.708758][  T263]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.708936][  T263]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.709090][  T263]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.709266][  T263]  __dev_notify_flags (net/core/dev.c:9787)
[   11.709445][  T263]  ? netif_change_name (net/core/dev.c:1495)
[   11.709632][  T263]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.709822][  T263]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.709997][  T263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.710185][  T263]  ? 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))
[   11.710364][  T263]  netif_change_flags (net/core/dev.c:9820)
[   11.710548][  T263]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.710738][  T263]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.710917][  T263]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.711105][  T263]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.711314][  T263]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.711491][  T263]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.711687][  T263]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.711863][  T263]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.712043][  T263]  ? __kernel_text_address (kernel/extable.c:79)
[   11.712230][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.712408][  T263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.712592][  T263]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.712784][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.712960][  T263]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.713143][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.713320][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.713496][  T263]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.713695][  T263]  ? __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)
[   11.713872][  T263]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.714056][  T263]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.714235][  T263]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.714414][  T263]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.714602][  T263]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.714798][  T263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.714972][  T263]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.715159][  T263]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.715334][  T263]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.715513][  T263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.715707][  T263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.715882][  T263]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.716066][  T263]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.716248][  T263]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.716425][  T263]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.716613][  T263]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.716801][  T263]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.716977][  T263]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.717157][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.717335][  T263]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.717514][  T263]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.717705][  T263]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.717881][  T263]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.718065][  T263]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.718246][  T263]  ? 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))
[   11.718421][  T263]  ? 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))
[   11.718607][  T263]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.718799][  T263]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.718978][  T263]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.719160][  T263]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.719339][  T263]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.719521][  T263]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.719710][  T263]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.719886][  T263]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.720070][  T263]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.720280][  T263]  ? move_addr_to_kernel (net/socket.c:258)
[   11.720458][  T263]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.720642][  T263]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.720834][  T263]  ___sys_sendmsg (net/socket.c:2752)
[   11.721008][  T263]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.721224][  T263]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.721411][  T263]  __sys_sendmsg (net/socket.c:2784)
[   11.721598][  T263]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.721786][  T263]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.721998][  T263]  ? 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)
[   11.722183][  T263]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.722361][  T263]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.722540][  T263]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.722729][  T263]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.722907][  T263]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.723123][  T263] RIP: 0033:0x7fa03f2e708e
[   11.723305][  T263] 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
[   11.723831][  T263] RSP: 002b:00007ffff3978b00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.724080][  T263] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa03f2e708e
[   11.724321][  T263] RDX: 0000000000000000 RSI: 00007ffff3978bb0 RDI: 0000000000000005
[   11.724567][  T263] RBP: 00007ffff3978b10 R08: 0000000000000000 R09: 0000000000000000
[   11.724818][  T263] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d835
[   11.725062][  T263] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff3979270
| [   11.834391][  T267] ------------[ cut here ]------------
| [   11.834547][  T267] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/267
| [   11.834786][  T267] Modules linked in:
| [   11.835153][  T267] Tainted: [W]=WARN
[   11.835250][  T267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.835411][  T267] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.835582][  T267] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   11.836053][  T267] RSP: 0018:ffa0000000b87020 EFLAGS: 00010286
[   11.836216][  T267] RAX: 00000000ffffffa6 RBX: ff11000010842900 RCX: 1ff4000000170dca
[   11.836415][  T267] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000108429bc
[   11.836609][  T267] RBP: ff1100000ea19000 R08: 1fe2200002108539 R09: ff110000026a2e58
[   11.836813][  T267] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   11.837004][  T267] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.837201][  T267] FS:  00007fb6dc595840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   11.837426][  T267] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.837591][  T267] CR2: 0000000018acd988 CR3: 000000000e8ca004 CR4: 0000000000771ef0
[   11.837793][  T267] PKRU: 55555554
[   11.837888][  T267] Call Trace:
[   11.837984][  T267]  <TASK>
[   11.838055][  T267]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.838191][  T267]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.838290][  T267]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.838418][  T267]  __dev_notify_flags (net/core/dev.c:9787)
[   11.838549][  T267]  ? netif_change_name (net/core/dev.c:1495)
[   11.838686][  T267]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.838814][  T267]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.838943][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.839076][  T267]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.839208][  T267]  netif_change_flags (net/core/dev.c:9820)
[   11.839338][  T267]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.839467][  T267]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.839602][  T267]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.839739][  T267]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.839899][  T267]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.840027][  T267]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.840161][  T267]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.840289][  T267]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.840418][  T267]  ? __kernel_text_address (kernel/extable.c:79)
[   11.840549][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.840687][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.840816][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.840945][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.841079][  T267]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.841207][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.841336][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.841465][  T267]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.841600][  T267]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.841730][  T267]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.841860][  T267]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.841991][  T267]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.842125][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.842256][  T267]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.842386][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.842515][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.842643][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.842831][  T267]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.842959][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.843095][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.843222][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.843349][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.843478][  T267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.843609][  T267]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.843816][  T267]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.843945][  T267]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.844079][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.844206][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.844335][  T267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.844463][  T267]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.844595][  T267]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.844787][  T267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.844914][  T267]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.845131][  T267]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.845259][  T267]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.845389][  T267]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.845521][  T267]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.845678][  T267]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.845808][  T267]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.845938][  T267]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.846072][  T267]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.846203][  T267]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.846331][  T267]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.846459][  T267]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.846621][  T267]  ? move_addr_to_kernel (net/socket.c:258)
[   11.846758][  T267]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.846887][  T267]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.847016][  T267]  ___sys_sendmsg (net/socket.c:2752)
[   11.847147][  T267]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.847306][  T267]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.847446][  T267]  __sys_sendmsg (net/socket.c:2784)
[   11.847577][  T267]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.847710][  T267]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.847871][  T267]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.848000][  T267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.848135][  T267]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.848264][  T267]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.848391][  T267]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.848522][  T267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.848686][  T267] RIP: 0033:0x7fb6dc7cf08e
[   11.848819][  T267] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.849278][  T267] RSP: 002b:00007fff1a143870 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.849470][  T267] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb6dc7cf08e
[   11.849666][  T267] RDX: 0000000000000000 RSI: 00007fff1a143920 RDI: 0000000000000005
[   11.849856][  T267] RBP: 00007fff1a143880 R08: 0000000000000000 R09: 0000000000000000
[   11.850051][  T267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d836
[   11.850241][  T267] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1a143fe0
| [   11.852508][   T73] ------------[ cut here ]------------
| [   11.852630][   T73] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 2/73
| [   11.852866][   T73] Modules linked in:
| [   11.853228][   T73] Tainted: [W]=WARN
[   11.853316][   T73] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.853463][   T73] Workqueue: events_unbound linkwatch_event
[   11.853619][   T73] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.853777][   T73] 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
[   11.854211][   T73] RSP: 0018:ffa00000004e79e0 EFLAGS: 00010286
[   11.854358][   T73] RAX: 00000000ffffffa6 RBX: ff11000005ed9700 RCX: 1ff400000009cf02
[   11.854544][   T73] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005ed97bc
[   11.854722][   T73] RBP: ff1100000ea19000 R08: 1fe2200000bdb2f9 R09: ff11000009c58ba8
[   11.854897][   T73] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   11.855078][   T73] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.855256][   T73] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   11.855462][   T73] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.855612][   T73] CR2: 0000000018acd988 CR3: 000000004994d006 CR4: 0000000000771ef0
[   11.855793][   T73] PKRU: 55555554
[   11.855884][   T73] Call Trace:
[   11.855973][   T73]  <TASK>
[   11.856034][   T73]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.856157][   T73]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.856275][   T73]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.856366][   T73]  netif_state_change (net/core/dev.c:1605)
[   11.856484][   T73]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.856633][   T73]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.856753][   T73]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.856871][   T73]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.856992][   T73]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.857113][   T73]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   11.857235][   T73]  process_one_work (kernel/workqueue.c:3314)
[   11.857357][   T73]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.857478][   T73]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.857602][   T73]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.857725][   T73]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.857841][   T73]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.857959][   T73]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.858082][   T73]  kthread (kernel/kthread.c:436)
[   11.858169][   T73]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.858314][   T73]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.858432][   T73]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.858554][   T73]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.858706][   T73]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.858825][   T73]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.858943][   T73]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.861193][   T73] ------------[ cut here ]------------
| [   11.861326][   T73] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 2/73
| [   11.861573][   T73] Modules linked in:
| [   11.862418][   T73] Tainted: [W]=WARN
[   11.862513][   T73] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.862716][   T73] Workqueue: events_unbound linkwatch_event
[   11.862867][   T73] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.863018][   T73] 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
[   11.863445][   T73] RSP: 0018:ffa00000004e79e0 EFLAGS: 00010286
[   11.863596][   T73] RAX: 00000000ffffffa6 RBX: ff11000005ed8040 RCX: 1ff400000009cf02
[   11.863818][   T73] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005ed80fc
[   11.863995][   T73] RBP: ff11000002654000 R08: 1fe2200000bdb021 R09: ff11000009c58ba8
[   11.864175][   T73] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   11.864394][   T73] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.864572][   T73] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   11.864822][   T73] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.864969][   T73] CR2: 0000000018acd988 CR3: 000000004994d006 CR4: 0000000000771ef0
[   11.865149][   T73] PKRU: 55555554
[   11.865237][   T73] Call Trace:
[   11.865329][   T73]  <TASK>
[   11.865391][   T73]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.865513][   T73]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.865630][   T73]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.865764][   T73]  netif_state_change (net/core/dev.c:1605)
[   11.865885][   T73]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.866032][   T73]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.866153][   T73]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.866279][   T73]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.866399][   T73]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.866516][   T73]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   11.866633][   T73]  process_one_work (kernel/workqueue.c:3314)
[   11.866799][   T73]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.866919][   T73]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.867040][   T73]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.867163][   T73]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.867280][   T73]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.867398][   T73]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.867522][   T73]  kthread (kernel/kthread.c:436)
[   11.867610][   T73]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.867805][   T73]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.867922][   T73]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.868039][   T73]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.868221][   T73]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.868337][   T73]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.868456][   T73]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.044253][  T275] ------------[ cut here ]------------
| [   12.044448][  T275] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/275
| [   12.044759][  T275] Modules linked in:
| [   12.045248][  T275] Tainted: [W]=WARN
[   12.045396][  T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.045619][  T275] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.045855][  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
[   12.046387][  T275] RSP: 0018:ffa0000000b86e30 EFLAGS: 00010286
[   12.046616][  T275] RAX: 00000000ffffffa6 RBX: ff1100000bd6a580 RCX: 1ff4000000170d8c
[   12.046874][  T275] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd6a63c
[   12.047129][  T275] RBP: ff1100000f871000 R08: 1fe22000017ad4c9 R09: ff11000012210b80
[   12.047377][  T275] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.047634][  T275] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ca8c780
[   12.047898][  T275] FS:  00007f08c0768840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   12.048194][  T275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.048413][  T275] CR2: 00000000004eb188 CR3: 000000000f186003 CR4: 0000000000771ef0
[   12.048685][  T275] PKRU: 55555554
[   12.048834][  T275] Call Trace:
[   12.048981][  T275]  <TASK>
[   12.049106][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.049292][  T275]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.049478][  T275]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.049633][  T275]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   12.049828][  T275]  __dev_notify_flags (net/core/dev.c:9787)
[   12.050011][  T275]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   12.050197][  T275]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   12.050378][  T275]  ? netif_change_name (net/core/dev.c:1495)
[   12.050570][  T275]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.050764][  T275]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.050944][  T275]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.051135][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.051317][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.051499][  T275]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.051700][  T275]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.051884][  T275]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.052071][  T275]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.052256][  T275]  veth_newlink (drivers/net/veth.c:1871)
[   12.052438][  T275]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   12.052623][  T275]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.052818][  T275]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.052998][  T275]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.053206][  T275]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.053390][  T275]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.053582][  T275]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.053776][  T275]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.053958][  T275]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.054152][  T275]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.054334][  T275]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.054518][  T275]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.054718][  T275]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.054905][  T275]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.055100][  T275]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.055283][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.055462][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.055667][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.055847][  T275]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.056028][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.056224][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.056407][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.056596][  T275]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.056790][  T275]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.056972][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.057162][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.057346][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.057530][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.057728][  T275]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.057910][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.058097][  T275]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.058283][  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))
[   12.058464][  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))
[   12.058669][  T275]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.058852][  T275]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.059036][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.059228][  T275]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.059412][  T275]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.059601][  T275]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.059801][  T275]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.059983][  T275]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.060175][  T275]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.060394][  T275]  ? move_addr_to_kernel (net/socket.c:258)
[   12.060586][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.060781][  T275]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   12.060967][  T275]  ___sys_sendmsg (net/socket.c:2752)
[   12.061157][  T275]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   12.061339][  T275]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.061530][  T275]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   12.061732][  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))
[   12.061914][  T275]  __sys_sendmsg (net/socket.c:2784)
[   12.062105][  T275]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.062292][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.062476][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.062679][  T275]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.062860][  T275]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.063042][  T275]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.063238][  T275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.063454][  T275] RIP: 0033:0x7f08c09a208e
[   12.063663][  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
[   12.064193][  T275] RSP: 002b:00007fff53f4d020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.064447][  T275] RAX: ffffffffffffffda RBX: 00007fff53f4d7b8 RCX: 00007f08c09a208e
[   12.064712][  T275] RDX: 0000000000000000 RSI: 00007fff53f4d0d0 RDI: 0000000000000005
[   12.064959][  T275] RBP: 00007fff53f4d030 R08: 0000000000000000 R09: 0000000000000000
[   12.065214][  T275] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d836
[   12.065464][  T275] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff53f4d790
| [   12.079641][  T275] ------------[ cut here ]------------
| [   12.079833][  T275] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/275
| [   12.080122][  T275] Modules linked in:
| [   12.080596][  T275] Tainted: [W]=WARN
[   12.080758][  T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.080974][  T275] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.081209][  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
[   12.081860][  T275] RSP: 0018:ffa0000000b871b0 EFLAGS: 00010286
[   12.082173][  T275] RAX: 00000000ffffffa6 RBX: ff1100000ddb18c0 RCX: 1ff4000000170dfc
[   12.082471][  T275] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ddb197c
[   12.082730][  T275] RBP: ff1100000e961000 R08: 1fe2200001bb6331 R09: ff11000012210b80
[   12.082975][  T275] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.083229][  T275] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   12.083477][  T275] FS:  00007f08c0768840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   12.083770][  T275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.083984][  T275] CR2: 00000000004eb188 CR3: 000000000f186003 CR4: 0000000000771ef0
[   12.084240][  T275] PKRU: 55555554
[   12.084390][  T275] Call Trace:
[   12.084541][  T275]  <TASK>
[   12.084671][  T275]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.084853][  T275]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.085002][  T275]  __dev_notify_flags (net/core/dev.c:9787)
[   12.085194][  T275]  ? netif_change_name (net/core/dev.c:1495)
[   12.085376][  T275]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.085564][  T275]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.085763][  T275]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.085945][  T275]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.086136][  T275]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.086318][  T275]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.086498][  T275]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.086705][  T275]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.086891][  T275]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.087080][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.087263][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.087444][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.087630][  T275]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.087823][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.088008][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.088198][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.088378][  T275]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.088569][  T275]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.088763][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.088943][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.089130][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.089309][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.089491][  T275]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.089691][  T275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.089872][  T275]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.090065][  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))
[   12.090245][  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))
[   12.090428][  T275]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.090618][  T275]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.090809][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.090991][  T275]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.091181][  T275]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.091363][  T275]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.091555][  T275]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.091750][  T275]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.091930][  T275]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.092150][  T275]  ? move_addr_to_kernel (net/socket.c:258)
[   12.092333][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.092518][  T275]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   12.092715][  T275]  ___sys_sendmsg (net/socket.c:2752)
[   12.092898][  T275]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   12.093089][  T275]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.093275][  T275]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   12.093460][  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))
[   12.093667][  T275]  __sys_sendmsg (net/socket.c:2784)
[   12.093848][  T275]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.094032][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.094225][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.094407][  T275]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.094595][  T275]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.094788][  T275]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.094969][  T275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.095189][  T275] RIP: 0033:0x7f08c09a208e
[   12.095376][  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
[   12.095918][  T275] RSP: 002b:00007fff53f4d020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.096173][  T275] RAX: ffffffffffffffda RBX: 00007fff53f4d7b8 RCX: 00007f08c09a208e
[   12.096418][  T275] RDX: 0000000000000000 RSI: 00007fff53f4d0d0 RDI: 0000000000000005
[   12.096688][  T275] RBP: 00007fff53f4d030 R08: 0000000000000000 R09: 0000000000000000
[   12.096933][  T275] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d836
[   12.097187][  T275] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff53f4d790
| [   12.124456][   T96] ------------[ cut here ]------------
| [   12.124625][   T96] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/96
| [   12.124931][   T96] Modules linked in:
| [   12.125393][   T96] Tainted: [W]=WARN
[   12.125531][   T96] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.126169][   T96] Workqueue: events_unbound linkwatch_event
[   12.126442][   T96] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.126715][   T96] 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
[   12.127199][   T96] RSP: 0018:ffa00000005079e0 EFLAGS: 00010286
[   12.127394][   T96] RAX: 00000000ffffffa6 RBX: ff1100000ddb0e40 RCX: 1ff40000000a0f02
[   12.127626][   T96] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ddb0efc
[   12.127864][   T96] RBP: ff1100000f07c000 R08: 1fe2200001bb61e1 R09: ff1100000abad1a8
[   12.128092][   T96] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   12.128325][   T96] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.128557][   T96] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   12.128824][   T96] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.129019][   T96] CR2: 00007f152dcfbb70 CR3: 000000000debf005 CR4: 0000000000771ef0
[   12.129255][   T96] PKRU: 55555554
[   12.129391][   T96] Call Trace:
[   12.129528][   T96]  <TASK>
[   12.129637][   T96]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.129817][   T96]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.129984][   T96]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.130132][   T96]  netif_state_change (net/core/dev.c:1605)
[   12.130300][   T96]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.130500][   T96]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.130687][   T96]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.130855][   T96]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.131024][   T96]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.131201][   T96]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.131368][   T96]  process_one_work (kernel/workqueue.c:3314)
[   12.131543][   T96]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.131726][   T96]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.131897][   T96]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.132072][   T96]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.132241][   T96]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.132409][   T96]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.132584][   T96]  kthread (kernel/kthread.c:436)
[   12.132732][   T96]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.132931][   T96]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.133109][   T96]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.133281][   T96]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.133476][   T96]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.133647][   T96]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.133827][   T96]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.202234][  T279] ------------[ cut here ]------------
| [   12.202415][  T279] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/279
| [   12.202713][  T279] Modules linked in:
| [   12.203177][  T279] Tainted: [W]=WARN
[   12.203321][  T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.203530][  T279] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.203764][  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
[   12.204278][  T279] RSP: 0018:ffa0000000bf7020 EFLAGS: 00010286
[   12.204487][  T279] RAX: 00000000ffffffa6 RBX: ff1100000dda9700 RCX: 1ff400000017edca
[   12.205423][  T279] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda97bc
[   12.205738][  T279] RBP: ff1100000e961000 R08: 1fe2200001bb52f9 R09: ff110000100f5158
[   12.206036][  T279] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   12.206336][  T279] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.206623][  T279] FS:  00007f18ca2fb840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   12.206904][  T279] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.207126][  T279] CR2: 0000000011cc9988 CR3: 000000000fa03002 CR4: 0000000000771ef0
[   12.207368][  T279] PKRU: 55555554
[   12.207514][  T279] Call Trace:
[   12.207674][  T279]  <TASK>
[   12.207792][  T279]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.207971][  T279]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.208127][  T279]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.208306][  T279]  __dev_notify_flags (net/core/dev.c:9787)
[   12.208488][  T279]  ? netif_change_name (net/core/dev.c:1495)
[   12.208684][  T279]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.208862][  T279]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.209042][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.209229][  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))
[   12.209411][  T279]  netif_change_flags (net/core/dev.c:9820)
[   12.209598][  T279]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.209788][  T279]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.209968][  T279]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.210159][  T279]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.210373][  T279]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.210558][  T279]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.210749][  T279]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.210927][  T279]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.211114][  T279]  ? __kernel_text_address (kernel/extable.c:79)
[   12.211295][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.211476][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.211670][  T279]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.211848][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.212030][  T279]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.212214][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.212390][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.212579][  T279]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.212769][  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)
[   12.212945][  T279]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.213129][  T279]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.213308][  T279]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.213491][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.213693][  T279]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.213875][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.214058][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.214236][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.214411][  T279]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.214594][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.214788][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.214969][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.215154][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.215331][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.215510][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.215704][  T279]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.215882][  T279]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.216064][  T279]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.216245][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.216427][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.216612][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.216803][  T279]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.216980][  T279]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.217170][  T279]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.217357][  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))
[   12.217537][  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))
[   12.217735][  T279]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.217915][  T279]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.218098][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.218277][  T279]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.218455][  T279]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.218645][  T279]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.218838][  T279]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.219015][  T279]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.219197][  T279]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.219404][  T279]  ? move_addr_to_kernel (net/socket.c:258)
[   12.219591][  T279]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.219784][  T279]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.219963][  T279]  ___sys_sendmsg (net/socket.c:2752)
[   12.220147][  T279]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.220356][  T279]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.220550][  T279]  __sys_sendmsg (net/socket.c:2784)
[   12.220741][  T279]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.220919][  T279]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.221140][  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)
[   12.221319][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.221499][  T279]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.221695][  T279]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.221875][  T279]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.222060][  T279]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.222272][  T279] RIP: 0033:0x7f18ca53508e
[   12.222455][  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
[   12.222985][  T279] RSP: 002b:00007ffc55d6ff90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.223239][  T279] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f18ca53508e
[   12.223478][  T279] RDX: 0000000000000000 RSI: 00007ffc55d70040 RDI: 0000000000000005
[   12.223735][  T279] RBP: 00007ffc55d6ffa0 R08: 0000000000000000 R09: 0000000000000000
[   12.223975][  T279] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d836
[   12.224223][  T279] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc55d70700
| [   12.341303][  T283] ------------[ cut here ]------------
| [   12.341486][  T283] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/283
| [   12.341782][  T283] Modules linked in:
| [   12.342252][  T283] Tainted: [W]=WARN
[   12.342395][  T283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.342610][  T283] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.342840][  T283] 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
[   12.343348][  T283] RSP: 0018:ffa0000000bf7020 EFLAGS: 00010286
[   12.343564][  T283] RAX: 00000000ffffffa6 RBX: ff1100000cbfee40 RCX: 1ff400000017edca
[   12.343818][  T283] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cbfeefc
[   12.344062][  T283] RBP: ff1100000f871000 R08: 1fe220000197fde1 R09: ff110000100dae58
[   12.344301][  T283] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   12.344545][  T283] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.344798][  T283] FS:  00007fdc8ba6b840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   12.345079][  T283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.345287][  T283] CR2: 0000000016071988 CR3: 000000000d607003 CR4: 0000000000771ef0
[   12.345529][  T283] PKRU: 55555554
[   12.345685][  T283] Call Trace:
[   12.345828][  T283]  <TASK>
[   12.345941][  T283]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.346129][  T283]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.346276][  T283]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.346450][  T283]  __dev_notify_flags (net/core/dev.c:9787)
[   12.346637][  T283]  ? netif_change_name (net/core/dev.c:1495)
[   12.346828][  T283]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.347005][  T283]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.347189][  T283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.347370][  T283]  ? 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))
[   12.347556][  T283]  netif_change_flags (net/core/dev.c:9820)
[   12.347749][  T283]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.347924][  T283]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.348111][  T283]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.348289][  T283]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.348497][  T283]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.348694][  T283]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.348871][  T283]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.349054][  T283]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.349231][  T283]  ? __kernel_text_address (kernel/extable.c:79)
[   12.349407][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.349593][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.349784][  T283]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.349961][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.350146][  T283]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.350319][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.350494][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.350690][  T283]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.350867][  T283]  ? __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)
[   12.351042][  T283]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.351229][  T283]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.351407][  T283]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.351593][  T283]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.351785][  T283]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.351962][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.352145][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.352321][  T283]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.352494][  T283]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.352691][  T283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.352870][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.353044][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.353230][  T283]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.353405][  T283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.353590][  T283]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.353780][  T283]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.353956][  T283]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.354143][  T283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.354318][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.354496][  T283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.354689][  T283]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.354867][  T283]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.355041][  T283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.355226][  T283]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.355407][  T283]  ? 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))
[   12.355591][  T283]  ? 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))
[   12.355784][  T283]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.355962][  T283]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.356146][  T283]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.356322][  T283]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.356500][  T283]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.356696][  T283]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.356876][  T283]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.357058][  T283]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.357233][  T283]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.357437][  T283]  ? move_addr_to_kernel (net/socket.c:258)
[   12.357620][  T283]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.357807][  T283]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.357983][  T283]  ___sys_sendmsg (net/socket.c:2752)
[   12.358170][  T283]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.358376][  T283]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.358571][  T283]  __sys_sendmsg (net/socket.c:2784)
[   12.358762][  T283]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.358935][  T283]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.359153][  T283]  ? 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)
[   12.359329][  T283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.359510][  T283]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.359700][  T283]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.359875][  T283]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.360058][  T283]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.360263][  T283] RIP: 0033:0x7fdc8bca508e
[   12.360444][  T283] 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
[   12.360962][  T283] RSP: 002b:00007fff4db95130 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.361213][  T283] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fdc8bca508e
[   12.361452][  T283] RDX: 0000000000000000 RSI: 00007fff4db951e0 RDI: 0000000000000005
[   12.361709][  T283] RBP: 00007fff4db95140 R08: 0000000000000000 R09: 0000000000000000
[   12.361948][  T283] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d836
[   12.362189][  T283] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff4db958a0
| [   12.364900][   T96] ------------[ cut here ]------------
| [   12.365032][   T96] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/96
| [   12.365275][   T96] Modules linked in:
| [   12.365662][   T96] Tainted: [W]=WARN
[   12.365751][   T96] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.365897][   T96] Workqueue: events_unbound linkwatch_event
[   12.366052][   T96] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.366204][   T96] 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
[   12.366644][   T96] RSP: 0018:ffa00000005079e0 EFLAGS: 00010286
[   12.366797][   T96] RAX: 00000000ffffffa6 RBX: ff110000108438c0 RCX: 1ff40000000a0f02
[   12.366971][   T96] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001084397c
[   12.367151][   T96] RBP: ff1100000f871000 R08: 1fe2200002108731 R09: ff1100000abad1a8
[   12.367327][   T96] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   12.367504][   T96] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.367687][   T96] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   12.367891][   T96] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.368039][   T96] CR2: 00007f4cd72fcf98 CR3: 000000004994d001 CR4: 0000000000771ef0
[   12.368220][   T96] PKRU: 55555554
[   12.368308][   T96] Call Trace:
[   12.368396][   T96]  <TASK>
[   12.368458][   T96]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.368580][   T96]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.368704][   T96]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.368796][   T96]  netif_state_change (net/core/dev.c:1605)
[   12.368915][   T96]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.369064][   T96]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.369182][   T96]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.369300][   T96]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.369421][   T96]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.369541][   T96]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.369668][   T96]  process_one_work (kernel/workqueue.c:3314)
[   12.369790][   T96]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.369906][   T96]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.370027][   T96]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.370150][   T96]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.370267][   T96]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.370386][   T96]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.370506][   T96]  kthread (kernel/kthread.c:436)
[   12.370596][   T96]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.370797][   T96]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.370915][   T96]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.371032][   T96]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.371183][   T96]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.371301][   T96]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.371419][   T96]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.373069][   T96] ------------[ cut here ]------------
| [   12.373184][   T96] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/96
| [   12.373412][   T96] Modules linked in:
| [   12.373780][   T96] Tainted: [W]=WARN
[   12.373869][   T96] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.374015][   T96] Workqueue: events_unbound linkwatch_event
[   12.374172][   T96] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.374324][   T96] 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
[   12.374749][   T96] RSP: 0018:ffa00000005079e0 EFLAGS: 00010286
[   12.374900][   T96] RAX: 00000000ffffffa6 RBX: ff11000010843380 RCX: 1ff40000000a0f02
[   12.375081][   T96] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001084343c
[   12.375256][   T96] RBP: ff1100000e961000 R08: 1fe2200002108689 R09: ff1100000abad1a8
[   12.375435][   T96] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   12.375614][   T96] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.375805][   T96] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   12.376009][   T96] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.376161][   T96] CR2: 00007f4cd72fcf98 CR3: 000000004994d001 CR4: 0000000000771ef0
[   12.376336][   T96] PKRU: 55555554
[   12.376424][   T96] Call Trace:
[   12.376514][   T96]  <TASK>
[   12.376575][   T96]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.376697][   T96]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.376815][   T96]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.376909][   T96]  netif_state_change (net/core/dev.c:1605)
[   12.377028][   T96]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.377183][   T96]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.377300][   T96]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.377417][   T96]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.377543][   T96]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.377664][   T96]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.377783][   T96]  process_one_work (kernel/workqueue.c:3314)
[   12.377904][   T96]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.378021][   T96]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.378148][   T96]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.378268][   T96]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.378385][   T96]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.378508][   T96]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.378625][   T96]  kthread (kernel/kthread.c:436)
[   12.378720][   T96]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.378865][   T96]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.378983][   T96]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.379106][   T96]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.379255][   T96]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.379371][   T96]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.379488][   T96]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.559388][  T291] ------------[ cut here ]------------
| [   12.559548][  T291] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/291
| [   12.559793][  T291] Modules linked in:
| [   12.560180][  T291] Tainted: [W]=WARN
[   12.560281][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.560450][  T291] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.560629][  T291] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   12.561117][  T291] RSP: 0018:ffa0000000c26e30 EFLAGS: 00010286
[   12.561287][  T291] RAX: 00000000ffffffa6 RBX: ff11000009266200 RCX: 1ff4000000184d8c
[   12.561489][  T291] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092662bc
[   12.561699][  T291] RBP: ff1100000e5e4000 R08: 1fe220000124cc59 R09: ff11000008d7ae80
[   12.561901][  T291] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.562109][  T291] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009435580
[   12.562313][  T291] FS:  00007f9840d93840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   12.562551][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.562726][  T291] CR2: 00000000004eb188 CR3: 000000000facc001 CR4: 0000000000771ef0
[   12.562929][  T291] PKRU: 55555554
[   12.563029][  T291] Call Trace:
[   12.563136][  T291]  <TASK>
[   12.563206][  T291]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.563343][  T291]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.563445][  T291]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   12.563613][  T291]  __dev_notify_flags (net/core/dev.c:9787)
[   12.563754][  T291]  ? netif_change_name (net/core/dev.c:1495)
[   12.563888][  T291]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.564022][  T291]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.564159][  T291]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.564293][  T291]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   12.564429][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.564569][  T291]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.564709][  T291]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.564844][  T291]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.564977][  T291]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.565119][  T291]  veth_newlink (drivers/net/veth.c:1871)
[   12.565255][  T291]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   12.565389][  T291]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.565528][  T291]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.565665][  T291]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.565817][  T291]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.565951][  T291]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.566093][  T291]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.566227][  T291]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.566364][  T291]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.566502][  T291]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.566641][  T291]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.566780][  T291]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.566916][  T291]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.567060][  T291]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.567200][  T291]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.567337][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.567472][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.567609][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.567748][  T291]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.567882][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.568022][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.568160][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.568295][  T291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.568428][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.568567][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.568707][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.568845][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.568981][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.569123][  T291]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.569260][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.569395][  T291]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.569537][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.569676][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.569814][  T291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.569949][  T291]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.570091][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.570228][  T291]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.570363][  T291]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.570498][  T291]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.570637][  T291]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.570777][  T291]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.570911][  T291]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.571082][  T291]  ? move_addr_to_kernel (net/socket.c:258)
[   12.571219][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.571354][  T291]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   12.571490][  T291]  ___sys_sendmsg (net/socket.c:2752)
[   12.571626][  T291]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   12.571765][  T291]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.571904][  T291]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   12.572042][  T291]  ? 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))
[   12.572184][  T291]  __sys_sendmsg (net/socket.c:2784)
[   12.572321][  T291]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.572460][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.572598][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.572737][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.572872][  T291]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.573007][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.573146][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.573314][  T291] RIP: 0033:0x7f9840fcd08e
[   12.573457][  T291] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.573942][  T291] RSP: 002b:00007ffe039baa60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.574151][  T291] RAX: ffffffffffffffda RBX: 00007ffe039bb1f8 RCX: 00007f9840fcd08e
[   12.574353][  T291] RDX: 0000000000000000 RSI: 00007ffe039bab10 RDI: 0000000000000005
[   12.574559][  T291] RBP: 00007ffe039baa70 R08: 0000000000000000 R09: 0000000000000000
[   12.574764][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d836
[   12.574964][  T291] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe039bb1d0
| [   12.592410][  T291] ------------[ cut here ]------------
| [   12.592556][  T291] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/291
| [   12.592790][  T291] Modules linked in:
| [   12.593164][  T291] Tainted: [W]=WARN
[   12.593263][  T291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.593430][  T291] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.593607][  T291] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   12.594092][  T291] RSP: 0018:ffa0000000c271b0 EFLAGS: 00010286
[   12.594259][  T291] RAX: 00000000ffffffa6 RBX: ff1100000aa551c0 RCX: 1ff4000000184dfc
[   12.594458][  T291] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aa5527c
[   12.594663][  T291] RBP: ff1100000c75c000 R08: 1fe220000154aa51 R09: ff11000008d7ae80
[   12.594863][  T291] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.595065][  T291] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   12.595264][  T291] FS:  00007f9840d93840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   12.595496][  T291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.595669][  T291] CR2: 00000000004eb188 CR3: 000000000facc001 CR4: 0000000000771ef0
[   12.595870][  T291] PKRU: 55555554
[   12.595969][  T291] Call Trace:
[   12.596073][  T291]  <TASK>
[   12.596142][  T291]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.596278][  T291]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.596379][  T291]  __dev_notify_flags (net/core/dev.c:9787)
[   12.596515][  T291]  ? netif_change_name (net/core/dev.c:1495)
[   12.596650][  T291]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.596788][  T291]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.596924][  T291]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.597062][  T291]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.597199][  T291]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.597333][  T291]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.597466][  T291]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.597609][  T291]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.597841][  T291]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.597976][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.598113][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.598246][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.598378][  T291]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.598514][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.598745][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.598938][  T291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.599081][  T291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.599213][  T291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.599346][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.599480][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.599615][  T291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.599776][  T291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.599910][  T291]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.600042][  T291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.600182][  T291]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.600318][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.600452][  T291]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.600591][  T291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.600730][  T291]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.600865][  T291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.600998][  T291]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.601139][  T291]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.601274][  T291]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.601408][  T291]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.601544][  T291]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.601683][  T291]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.601849][  T291]  ? move_addr_to_kernel (net/socket.c:258)
[   12.601983][  T291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.602122][  T291]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   12.602256][  T291]  ___sys_sendmsg (net/socket.c:2752)
[   12.602388][  T291]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   12.602526][  T291]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.602668][  T291]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   12.602808][  T291]  ? 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))
[   12.602943][  T291]  __sys_sendmsg (net/socket.c:2784)
[   12.603081][  T291]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.603218][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.603350][  T291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.603485][  T291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.603621][  T291]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.603759][  T291]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.603895][  T291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.604064][  T291] RIP: 0033:0x7f9840fcd08e
[   12.604202][  T291] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.604681][  T291] RSP: 002b:00007ffe039baa60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.604882][  T291] RAX: ffffffffffffffda RBX: 00007ffe039bb1f8 RCX: 00007f9840fcd08e
[   12.605083][  T291] RDX: 0000000000000000 RSI: 00007ffe039bab10 RDI: 0000000000000005
[   12.605282][  T291] RBP: 00007ffe039baa70 R08: 0000000000000000 R09: 0000000000000000
[   12.605480][  T291] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d836
[   12.605685][  T291] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe039bb1d0
| [   12.703578][  T295] ------------[ cut here ]------------
| [   12.703734][  T295] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/295
| [   12.703958][  T295] Modules linked in:
| [   12.704325][  T295] Tainted: [W]=WARN
[   12.704423][  T295] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.704590][  T295] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.704764][  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
[   12.705227][  T295] RSP: 0018:ffa0000000bb7020 EFLAGS: 00010286
[   12.705388][  T295] RAX: 00000000ffffffa6 RBX: ff11000009267540 RCX: 1ff4000000176dca
[   12.705582][  T295] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000092675fc
[   12.705779][  T295] RBP: ff1100000c75c000 R08: 1fe220000124cec1 R09: ff11000009c72e58
[   12.705972][  T295] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   12.706169][  T295] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.706362][  T295] FS:  00007fd648bef840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   12.706592][  T295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.706758][  T295] CR2: 000000001134b988 CR3: 000000001236b005 CR4: 0000000000771ef0
[   12.706952][  T295] PKRU: 55555554
[   12.707054][  T295] Call Trace:
[   12.707150][  T295]  <TASK>
[   12.707216][  T295]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.707346][  T295]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.707447][  T295]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.707577][  T295]  __dev_notify_flags (net/core/dev.c:9787)
[   12.707715][  T295]  ? netif_change_name (net/core/dev.c:1495)
[   12.707844][  T295]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.707974][  T295]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.708107][  T295]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.708237][  T295]  ? 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))
[   12.708370][  T295]  netif_change_flags (net/core/dev.c:9820)
[   12.708500][  T295]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.708632][  T295]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.709241][  T295]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.709374][  T295]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.709538][  T295]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.709680][  T295]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.709813][  T295]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.709939][  T295]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.710074][  T295]  ? __kernel_text_address (kernel/extable.c:79)
[   12.710203][  T295]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.710333][  T295]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.710460][  T295]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.710595][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.710727][  T295]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.710856][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.710984][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.711118][  T295]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.711249][  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)
[   12.711377][  T295]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.711510][  T295]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.711643][  T295]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.711781][  T295]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.711913][  T295]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.712044][  T295]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.712177][  T295]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.712305][  T295]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.712434][  T295]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.712565][  T295]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.712700][  T295]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.712829][  T295]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.712957][  T295]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.713093][  T295]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.713224][  T295]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.713354][  T295]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.713483][  T295]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.713612][  T295]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.713747][  T295]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.713877][  T295]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.714005][  T295]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.714142][  T295]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.714271][  T295]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.714401][  T295]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.714537][  T295]  ? 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))
[   12.714670][  T295]  ? 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))
[   12.714801][  T295]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.714932][  T295]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.715064][  T295]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.715194][  T295]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.715325][  T295]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.715456][  T295]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.715591][  T295]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.715730][  T295]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.715860][  T295]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.716019][  T295]  ? move_addr_to_kernel (net/socket.c:258)
[   12.716156][  T295]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.716286][  T295]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.716415][  T295]  ___sys_sendmsg (net/socket.c:2752)
[   12.716547][  T295]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.716714][  T295]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.716857][  T295]  __sys_sendmsg (net/socket.c:2784)
[   12.716986][  T295]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.717120][  T295]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.717283][  T295]  ? 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)
[   12.717413][  T295]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.717547][  T295]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.717682][  T295]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.717811][  T295]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.717940][  T295]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.718105][  T295] RIP: 0033:0x7fd648e2908e
[   12.718240][  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
[   12.718710][  T295] RSP: 002b:00007fff5f65ffa0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.718906][  T295] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd648e2908e
[   12.719105][  T295] RDX: 0000000000000000 RSI: 00007fff5f660050 RDI: 0000000000000005
[   12.719297][  T295] RBP: 00007fff5f65ffb0 R08: 0000000000000000 R09: 0000000000000000
[   12.719490][  T295] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d836
[   12.719691][  T295] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5f660710
| [   12.826333][  T299] ------------[ cut here ]------------
| [   12.826478][  T299] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/299
| [   12.826715][  T299] Modules linked in:
| [   12.827076][  T299] Tainted: [W]=WARN
[   12.827177][  T299] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.827335][  T299] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.827505][  T299] 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
[   12.827962][  T299] RSP: 0018:ffa0000000c27020 EFLAGS: 00010286
[   12.828128][  T299] RAX: 00000000ffffffa6 RBX: ff1100000be30040 RCX: 1ff4000000184dca
[   12.828319][  T299] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be300fc
[   12.828513][  T299] RBP: ff1100000e5e4000 R08: 1fe22000017c6021 R09: ff110000123a8b58
[   12.828709][  T299] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.828926][  T299] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.829125][  T299] FS:  00007f4529a67840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   12.829349][  T299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.829512][  T299] CR2: 000000003f3cd988 CR3: 000000000e956002 CR4: 0000000000771ef0
[   12.829710][  T299] PKRU: 55555554
[   12.829805][  T299] Call Trace:
[   12.829900][  T299]  <TASK>
[   12.829966][  T299]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.830100][  T299]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.830197][  T299]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.830324][  T299]  __dev_notify_flags (net/core/dev.c:9787)
[   12.830457][  T299]  ? netif_change_name (net/core/dev.c:1495)
[   12.830589][  T299]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.830722][  T299]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.830850][  T299]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.830980][  T299]  ? 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))
[   12.831114][  T299]  netif_change_flags (net/core/dev.c:9820)
[   12.831245][  T299]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.831374][  T299]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.831508][  T299]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.831637][  T299]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.831802][  T299]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.831928][  T299]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.832060][  T299]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.832188][  T299]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.832317][  T299]  ? __kernel_text_address (kernel/extable.c:79)
[   12.832447][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.832578][  T299]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.832711][  T299]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.832839][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.832966][  T299]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.833095][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.833221][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.833349][  T299]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.833477][  T299]  ? __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)
[   12.833606][  T299]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.833739][  T299]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.833868][  T299]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.833997][  T299]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.834132][  T299]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.834260][  T299]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.834388][  T299]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.834517][  T299]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.834644][  T299]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.834776][  T299]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.834904][  T299]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.835030][  T299]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.835160][  T299]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.835286][  T299]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.835415][  T299]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.835545][  T299]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.835677][  T299]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.835804][  T299]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.835929][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.836064][  T299]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.836190][  T299]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.836317][  T299]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.836445][  T299]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.836575][  T299]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.836712][  T299]  ? 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))
[   12.836838][  T299]  ? 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))
[   12.836966][  T299]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.837098][  T299]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.837226][  T299]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.837353][  T299]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.837482][  T299]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.837611][  T299]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.837745][  T299]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.837872][  T299]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.838000][  T299]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.838160][  T299]  ? move_addr_to_kernel (net/socket.c:258)
[   12.838288][  T299]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.838414][  T299]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.838546][  T299]  ___sys_sendmsg (net/socket.c:2752)
[   12.838677][  T299]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.838834][  T299]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.838972][  T299]  __sys_sendmsg (net/socket.c:2784)
[   12.839105][  T299]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.839232][  T299]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.839393][  T299]  ? 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)
[   12.839522][  T299]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.839656][  T299]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.839783][  T299]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.839909][  T299]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.840036][  T299]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.840199][  T299] RIP: 0033:0x7f4529ca108e
[   12.840333][  T299] 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
[   12.840792][  T299] RSP: 002b:00007ffdc93e1f00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.840984][  T299] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4529ca108e
[   12.841179][  T299] RDX: 0000000000000000 RSI: 00007ffdc93e1fb0 RDI: 0000000000000005
[   12.841368][  T299] RBP: 00007ffdc93e1f10 R08: 0000000000000000 R09: 0000000000000000
[   12.841560][  T299] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d837
[   12.841753][  T299] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc93e2670
| [   12.844104][   T36] ------------[ cut here ]------------
| [   12.844233][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   12.844460][   T36] Modules linked in:
| [   12.844844][   T36] Tainted: [W]=WARN
[   12.844930][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.845082][   T36] Workqueue: events_unbound linkwatch_event
[   12.845230][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.845381][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   12.845851][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   12.846024][   T36] RAX: 00000000ffffffa6 RBX: ff11000004fa0c80 RCX: 1ff4000000051f02
[   12.846205][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004fa0d3c
[   12.846377][   T36] RBP: ff1100000e5e4000 R08: 1fe22000009f41a9 R09: ff11000001d751a8
[   12.846552][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   12.846730][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.846903][   T36] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   12.847111][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.847259][   T36] CR2: 000055d401a1a2e8 CR3: 000000004994d001 CR4: 0000000000771ef0
[   12.847432][   T36] PKRU: 55555554
[   12.847522][   T36] Call Trace:
[   12.847608][   T36]  <TASK>
[   12.847676][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.847794][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.847914][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.848001][   T36]  netif_state_change (net/core/dev.c:1605)
[   12.848120][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.848263][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.848377][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.848496][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.848617][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.848738][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.848854][   T36]  process_one_work (kernel/workqueue.c:3314)
[   12.848973][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.849091][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.849210][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.849329][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.849444][   T36]  kthread (kernel/kthread.c:436)
[   12.849535][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.849684][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.849804][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.849920][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.850073][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.850188][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.850304][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.852004][   T36] ------------[ cut here ]------------
| [   12.852144][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   12.852378][   T36] Modules linked in:
| [   12.852750][   T36] Tainted: [W]=WARN
[   12.852838][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.852986][   T36] Workqueue: events_unbound linkwatch_event
[   12.853142][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.853293][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   12.853723][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   12.853868][   T36] RAX: 00000000ffffffa6 RBX: ff11000004fa1380 RCX: 1ff4000000051f02
[   12.854043][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004fa143c
[   12.854218][   T36] RBP: ff1100000c75c000 R08: 1fe22000009f4289 R09: ff11000001d751a8
[   12.854388][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   12.854560][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.854740][   T36] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   12.854939][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.855088][   T36] CR2: 000055d401a1a2e8 CR3: 000000004994d001 CR4: 0000000000771ef0
[   12.855260][   T36] PKRU: 55555554
[   12.855346][   T36] Call Trace:
[   12.855431][   T36]  <TASK>
[   12.855491][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.855611][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.855731][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.855818][   T36]  netif_state_change (net/core/dev.c:1605)
[   12.855934][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.856085][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.856200][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.856315][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.856439][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.856556][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.856678][   T36]  process_one_work (kernel/workqueue.c:3314)
[   12.856796][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.856909][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.857026][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.857149][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.857265][   T36]  kthread (kernel/kthread.c:436)
[   12.857350][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.857492][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.857609][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.857728][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.857871][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.857985][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.858106][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.030914][  T307] ------------[ cut here ]------------
| [   13.031077][  T307] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/307
| [   13.031316][  T307] Modules linked in:
| [   13.031700][  T307] Tainted: [W]=WARN
[   13.031800][  T307] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.031966][  T307] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.032145][  T307] 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
[   13.032627][  T307] RSP: 0018:ffa0000000c76e30 EFLAGS: 00010286
[   13.032799][  T307] RAX: 00000000ffffffa6 RBX: ff110000109cc740 RCX: 1ff400000018ed8c
[   13.032998][  T307] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109cc7fc
[   13.033203][  T307] RBP: ff110000090b1000 R08: 1fe2200002139901 R09: ff1100000f950b80
[   13.033401][  T307] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.033601][  T307] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000defaa80
[   13.033804][  T307] FS:  00007f72e0f92840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   13.034037][  T307] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.034208][  T307] CR2: 00000000004eb188 CR3: 000000000a821001 CR4: 0000000000771ef0
[   13.034408][  T307] PKRU: 55555554
[   13.034512][  T307] Call Trace:
[   13.034613][  T307]  <TASK>
[   13.034687][  T307]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.034821][  T307]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.034923][  T307]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   13.035093][  T307]  __dev_notify_flags (net/core/dev.c:9787)
[   13.035227][  T307]  ? netif_change_name (net/core/dev.c:1495)
[   13.035358][  T307]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.035492][  T307]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.035627][  T307]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.035762][  T307]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   13.035897][  T307]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.036029][  T307]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.036169][  T307]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.036300][  T307]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.036433][  T307]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   13.036571][  T307]  veth_newlink (drivers/net/veth.c:1871)
[   13.036710][  T307]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   13.036843][  T307]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.036977][  T307]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.037115][  T307]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.037264][  T307]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   13.037397][  T307]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   13.037535][  T307]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.037675][  T307]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.037811][  T307]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   13.037946][  T307]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   13.038085][  T307]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.038217][  T307]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.038348][  T307]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.038486][  T307]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.038627][  T307]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.038765][  T307]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.038898][  T307]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.039030][  T307]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.039167][  T307]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.039299][  T307]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.039434][  T307]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.039571][  T307]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.039709][  T307]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.039840][  T307]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.039973][  T307]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.040110][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.040243][  T307]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.040373][  T307]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.040509][  T307]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.040642][  T307]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.040779][  T307]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.040915][  T307]  ? 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))
[   13.041054][  T307]  ? 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))
[   13.041190][  T307]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.041323][  T307]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.041457][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.041594][  T307]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.041734][  T307]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.041867][  T307]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.042004][  T307]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.042143][  T307]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.042274][  T307]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.042437][  T307]  ? move_addr_to_kernel (net/socket.c:258)
[   13.042573][  T307]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.042710][  T307]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   13.042843][  T307]  ___sys_sendmsg (net/socket.c:2752)
[   13.042976][  T307]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   13.043115][  T307]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.043251][  T307]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   13.043387][  T307]  ? 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))
[   13.043524][  T307]  __sys_sendmsg (net/socket.c:2784)
[   13.043661][  T307]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.043798][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.043930][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.044069][  T307]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.044200][  T307]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.044332][  T307]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.044464][  T307]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.044632][  T307] RIP: 0033:0x7f72e11cc08e
[   13.044775][  T307] 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
[   13.045251][  T307] RSP: 002b:00007ffc132922c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.045450][  T307] RAX: ffffffffffffffda RBX: 00007ffc13292a58 RCX: 00007f72e11cc08e
[   13.045647][  T307] RDX: 0000000000000000 RSI: 00007ffc13292370 RDI: 0000000000000005
[   13.045850][  T307] RBP: 00007ffc132922d0 R08: 0000000000000000 R09: 0000000000000000
[   13.046047][  T307] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d837
[   13.046250][  T307] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc13292a30
| [   13.053682][  T307] ------------[ cut here ]------------
| [   13.053821][  T307] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/307
| [   13.054054][  T307] Modules linked in:
| [   13.054418][  T307] Tainted: [W]=WARN
[   13.054518][  T307] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.054687][  T307] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.054856][  T307] 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
[   13.055329][  T307] RSP: 0018:ffa0000000c771b0 EFLAGS: 00010286
[   13.055493][  T307] RAX: 00000000ffffffa6 RBX: ff110000121b8200 RCX: 1ff400000018edfc
[   13.056234][  T307] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121b82bc
[   13.056431][  T307] RBP: ff1100000a291000 R08: 1fe2200002437059 R09: ff1100000f950b80
[   13.056629][  T307] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.056878][  T307] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   13.057080][  T307] FS:  00007f72e0f92840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   13.057308][  T307] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.057473][  T307] CR2: 00000000004eb188 CR3: 000000000a821001 CR4: 0000000000771ef0
[   13.057732][  T307] PKRU: 55555554
[   13.057884][  T307] Call Trace:
[   13.057981][  T307]  <TASK>
[   13.058052][  T307]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.058186][  T307]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.058287][  T307]  __dev_notify_flags (net/core/dev.c:9787)
[   13.058419][  T307]  ? netif_change_name (net/core/dev.c:1495)
[   13.058554][  T307]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.058742][  T307]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.058876][  T307]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.059007][  T307]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.059145][  T307]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.059275][  T307]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.059406][  T307]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.059547][  T307]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.059738][  T307]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.059870][  T307]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.060000][  T307]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.060136][  T307]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.060265][  T307]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.060395][  T307]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.060533][  T307]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.060719][  T307]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.060851][  T307]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.060981][  T307]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.061117][  T307]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.061247][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.061379][  T307]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.061512][  T307]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.061644][  T307]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.061832][  T307]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.061962][  T307]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.062101][  T307]  ? 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))
[   13.062232][  T307]  ? 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))
[   13.062364][  T307]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.062497][  T307]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.062632][  T307]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.062820][  T307]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.062954][  T307]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.063095][  T307]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.063229][  T307]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.063360][  T307]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.063491][  T307]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.063712][  T307]  ? move_addr_to_kernel (net/socket.c:258)
[   13.063845][  T307]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.063977][  T307]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   13.064116][  T307]  ___sys_sendmsg (net/socket.c:2752)
[   13.064246][  T307]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   13.064377][  T307]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.064515][  T307]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   13.064708][  T307]  ? 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))
[   13.064843][  T307]  __sys_sendmsg (net/socket.c:2784)
[   13.064975][  T307]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.065119][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.065251][  T307]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.065384][  T307]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.065518][  T307]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.065649][  T307]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.065834][  T307]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.065998][  T307] RIP: 0033:0x7f72e11cc08e
[   13.066142][  T307] 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
[   13.066611][  T307] RSP: 002b:00007ffc132922c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.066866][  T307] RAX: ffffffffffffffda RBX: 00007ffc13292a58 RCX: 00007f72e11cc08e
[   13.067067][  T307] RDX: 0000000000000000 RSI: 00007ffc13292370 RDI: 0000000000000005
[   13.067263][  T307] RBP: 00007ffc132922d0 R08: 0000000000000000 R09: 0000000000000000
[   13.067459][  T307] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d837
[   13.067714][  T307] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc13292a30
| [   13.166825][  T311] ------------[ cut here ]------------
| [   13.166970][  T311] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/311
| [   13.167203][  T311] Modules linked in:
| [   13.167568][  T311] Tainted: [W]=WARN
[   13.167671][  T311] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.167833][  T311] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.168000][  T311] 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
[   13.168459][  T311] RSP: 0018:ffa0000000967020 EFLAGS: 00010286
[   13.168624][  T311] RAX: 00000000ffffffa6 RBX: ff110000028b9540 RCX: 1ff400000012cdca
[   13.168823][  T311] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000028b95fc
[   13.169014][  T311] RBP: ff1100000a291000 R08: 1fe22000005172c1 R09: ff1100000fb3d158
[   13.169208][  T311] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   13.169397][  T311] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.169593][  T311] FS:  00007fe1ffe69840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   13.169936][  T311] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.170102][  T311] CR2: 0000000039710988 CR3: 000000000fd25004 CR4: 0000000000771ef0
[   13.170294][  T311] PKRU: 55555554
[   13.170389][  T311] Call Trace:
[   13.170486][  T311]  <TASK>
[   13.170554][  T311]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.170690][  T311]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.170789][  T311]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.170916][  T311]  __dev_notify_flags (net/core/dev.c:9787)
[   13.171045][  T311]  ? netif_change_name (net/core/dev.c:1495)
[   13.171180][  T311]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.171308][  T311]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.171436][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.171569][  T311]  ? 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))
[   13.171704][  T311]  netif_change_flags (net/core/dev.c:9820)
[   13.171833][  T311]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.171961][  T311]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.172097][  T311]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.172227][  T311]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.172386][  T311]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.172516][  T311]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.172644][  T311]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.172778][  T311]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.172907][  T311]  ? __kernel_text_address (kernel/extable.c:79)
[   13.173035][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.173173][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.173301][  T311]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.173430][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.173561][  T311]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.173695][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.173823][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.173951][  T311]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.174085][  T311]  ? __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)
[   13.174214][  T311]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.174342][  T311]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.174470][  T311]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.174607][  T311]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.174744][  T311]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.174874][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.175001][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.175134][  T311]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.175263][  T311]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.175390][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.175523][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.175656][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.175784][  T311]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.175913][  T311]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.176043][  T311]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.176177][  T311]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.176304][  T311]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.176433][  T311]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.176563][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.176699][  T311]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.176827][  T311]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.176955][  T311]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.177089][  T311]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.177219][  T311]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.177351][  T311]  ? 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))
[   13.177478][  T311]  ? 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))
[   13.177611][  T311]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.177747][  T311]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.177876][  T311]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.178005][  T311]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.178142][  T311]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.178272][  T311]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.178402][  T311]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.178533][  T311]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.178666][  T311]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.178825][  T311]  ? move_addr_to_kernel (net/socket.c:258)
[   13.178955][  T311]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.179114][  T311]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.179243][  T311]  ___sys_sendmsg (net/socket.c:2752)
[   13.179371][  T311]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.179533][  T311]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.179678][  T311]  __sys_sendmsg (net/socket.c:2784)
[   13.179808][  T311]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.179934][  T311]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.180098][  T311]  ? 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)
[   13.180228][  T311]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.180355][  T311]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.180484][  T311]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.180614][  T311]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.180747][  T311]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.180906][  T311] RIP: 0033:0x7fe2000a308e
[   13.181040][  T311] 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
[   13.181503][  T311] RSP: 002b:00007ffc0b1a12b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.181703][  T311] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe2000a308e
[   13.181896][  T311] RDX: 0000000000000000 RSI: 00007ffc0b1a1360 RDI: 0000000000000005
[   13.182094][  T311] RBP: 00007ffc0b1a12c0 R08: 0000000000000000 R09: 0000000000000000
[   13.182285][  T311] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d837
[   13.182476][  T311] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0b1a1a20
| [   13.297326][  T315] ------------[ cut here ]------------
| [   13.297475][  T315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/315
| [   13.298277][  T315] Modules linked in:
| [   13.298739][  T315] Tainted: [W]=WARN
[   13.298840][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.299005][  T315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.299189][  T315] 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
[   13.299725][  T315] RSP: 0018:ffa0000000c67020 EFLAGS: 00010286
[   13.299890][  T315] RAX: 00000000ffffffa6 RBX: ff110000121b9700 RCX: 1ff400000018cdca
[   13.300089][  T315] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121b97bc
[   13.300284][  T315] RBP: ff110000090b1000 R08: 1fe22000024372f9 R09: ff1100000fa72e58
[   13.300476][  T315] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   13.300739][  T315] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.300990][  T315] FS:  00007f4af5e56840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   13.301224][  T315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.301388][  T315] CR2: 0000000007822988 CR3: 000000000fee2002 CR4: 0000000000771ef0
[   13.301588][  T315] PKRU: 55555554
[   13.301740][  T315] Call Trace:
[   13.301837][  T315]  <TASK>
[   13.301905][  T315]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.302039][  T315]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.302143][  T315]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.302274][  T315]  __dev_notify_flags (net/core/dev.c:9787)
[   13.302404][  T315]  ? netif_change_name (net/core/dev.c:1495)
[   13.302537][  T315]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.302722][  T315]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.302853][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.302984][  T315]  ? 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))
[   13.303122][  T315]  netif_change_flags (net/core/dev.c:9820)
[   13.303252][  T315]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.303382][  T315]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.303519][  T315]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.303649][  T315]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.303867][  T315]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.303998][  T315]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.304133][  T315]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.304262][  T315]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.304392][  T315]  ? __kernel_text_address (kernel/extable.c:79)
[   13.304529][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.304717][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.304847][  T315]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.304977][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.305114][  T315]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.305243][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.305373][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.305507][  T315]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.305639][  T315]  ? __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)
[   13.305825][  T315]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.305956][  T315]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.306092][  T315]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.306224][  T315]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.306358][  T315]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.306491][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.306625][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.306809][  T315]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.306939][  T315]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.307074][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.307206][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.307334][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.307463][  T315]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.307597][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.307783][  T315]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.307912][  T315]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.308042][  T315]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.308176][  T315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.308306][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.308437][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.308570][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.308728][  T315]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.308856][  T315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.308987][  T315]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.309125][  T315]  ? 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))
[   13.309254][  T315]  ? 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))
[   13.309386][  T315]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.309520][  T315]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.309650][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.309789][  T315]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.309920][  T315]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.310055][  T315]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.310188][  T315]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.310317][  T315]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.310447][  T315]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.310608][  T315]  ? move_addr_to_kernel (net/socket.c:258)
[   13.310747][  T315]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.310877][  T315]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.311008][  T315]  ___sys_sendmsg (net/socket.c:2752)
[   13.311142][  T315]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.311303][  T315]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.311446][  T315]  __sys_sendmsg (net/socket.c:2784)
[   13.311577][  T315]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.311714][  T315]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.311878][  T315]  ? 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)
[   13.312008][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.312146][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.312275][  T315]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.312404][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.312538][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.312703][  T315] RIP: 0033:0x7f4af609008e
[   13.312841][  T315] 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
[   13.313306][  T315] RSP: 002b:00007fff61b53f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.313501][  T315] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4af609008e
[   13.313702][  T315] RDX: 0000000000000000 RSI: 00007fff61b53fc0 RDI: 0000000000000005
[   13.313896][  T315] RBP: 00007fff61b53f20 R08: 0000000000000000 R09: 0000000000000000
[   13.314094][  T315] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d837
[   13.314288][  T315] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff61b54680
| [   13.322707][   T36] ------------[ cut here ]------------
| [   13.322843][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/36
| [   13.323085][   T36] Modules linked in:
| [   13.323452][   T36] Tainted: [W]=WARN
[   13.323543][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.323696][   T36] Workqueue: events_unbound linkwatch_event
[   13.323851][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.324006][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   13.324438][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   13.324591][   T36] RAX: 00000000ffffffa6 RBX: ff110000122463c0 RCX: 1ff4000000051f02
[   13.324805][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001224647c
[   13.324986][   T36] RBP: ff110000090b1000 R08: 1fe2200002448c91 R09: ff11000001d751a8
[   13.325169][   T36] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   13.325346][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.325528][   T36] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   13.325742][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.325893][   T36] CR2: 000055d3d5b6bd5c CR3: 000000004994d005 CR4: 0000000000771ef0
[   13.326077][   T36] PKRU: 55555554
[   13.326166][   T36] Call Trace:
[   13.326255][   T36]  <TASK>
[   13.326322][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.326442][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.326564][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.326659][   T36]  netif_state_change (net/core/dev.c:1605)
[   13.326782][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.326931][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.327054][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.327174][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.327294][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.327412][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.327534][   T36]  process_one_work (kernel/workqueue.c:3314)
[   13.327663][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.327782][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.327904][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.328026][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.328147][   T36]  kthread (kernel/kthread.c:436)
[   13.328237][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.328388][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.328518][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.328638][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.328792][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.328911][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.329029][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.330661][   T36] ------------[ cut here ]------------
| [   13.330778][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/36
| [   13.331011][   T36] Modules linked in:
| [   13.331377][   T36] Tainted: [W]=WARN
[   13.331468][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.331620][   T36] Workqueue: events_unbound linkwatch_event
[   13.331779][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.331935][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   13.332364][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   13.332515][   T36] RAX: 00000000ffffffa6 RBX: ff11000012246ac0 RCX: 1ff4000000051f02
[   13.332710][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012246b7c
[   13.332889][   T36] RBP: ff1100000a291000 R08: 1fe2200002448d71 R09: ff11000001d751a8
[   13.333072][   T36] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   13.333249][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.333426][   T36] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   13.333639][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.333796][   T36] CR2: 000055d3d5b6bd5c CR3: 000000004994d005 CR4: 0000000000771ef0
[   13.333978][   T36] PKRU: 55555554
[   13.334074][   T36] Call Trace:
[   13.334163][   T36]  <TASK>
[   13.334225][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.334344][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.334464][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.334560][   T36]  netif_state_change (net/core/dev.c:1605)
[   13.334686][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.334837][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.334956][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.335082][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.335205][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.335324][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.335445][   T36]  process_one_work (kernel/workqueue.c:3314)
[   13.335571][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.335697][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.335821][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.335945][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.336066][   T36]  kthread (kernel/kthread.c:436)
[   13.336155][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.336303][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.336423][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.336546][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.336698][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.336818][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.336935][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.491738][  T323] ------------[ cut here ]------------
| [   13.491893][  T323] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/323
| [   13.492135][  T323] Modules linked in:
| [   13.492515][  T323] Tainted: [W]=WARN
[   13.492617][  T323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.492970][  T323] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.493151][  T323] 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
[   13.493630][  T323] RSP: 0018:ffa0000000b16e30 EFLAGS: 00010286
[   13.493804][  T323] RAX: 00000000ffffffa6 RBX: ff1100000dd011c0 RCX: 1ff4000000162d8c
[   13.494004][  T323] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd0127c
[   13.494214][  T323] RBP: ff1100000f2b4000 R08: 1fe2200001ba0251 R09: ff11000008e6d180
[   13.494415][  T323] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.494617][  T323] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005eeee00
[   13.494824][  T323] FS:  00007f821adc9840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   13.495063][  T323] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.495232][  T323] CR2: 00000000004eb188 CR3: 0000000009172005 CR4: 0000000000771ef0
[   13.495432][  T323] PKRU: 55555554
[   13.495535][  T323] Call Trace:
[   13.495637][  T323]  <TASK>
[   13.495712][  T323]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.495849][  T323]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.495950][  T323]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.496090][  T323]  __dev_notify_flags (net/core/dev.c:9787)
[   13.496225][  T323]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   13.496359][  T323]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   13.496492][  T323]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[   13.496628][  T323]  ? netif_change_name (net/core/dev.c:1495)
[   13.496765][  T323]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[   13.496931][  T323]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.497075][  T323]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.497211][  T323]  veth_newlink (drivers/net/veth.c:1871)
[   13.497347][  T323]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   13.497480][  T323]  ? kasan_save_stack (mm/kasan/common.c:57)
[   13.497615][  T323]  ? kasan_save_track (mm/kasan/common.c:78)
[   13.497754][  T323]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   13.497904][  T323]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   13.498039][  T323]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   13.498183][  T323]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.498316][  T323]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.498452][  T323]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   13.498589][  T323]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   13.498731][  T323]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.498866][  T323]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.499000][  T323]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.499146][  T323]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.499285][  T323]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.499421][  T323]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.499559][  T323]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.499700][  T323]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.499834][  T323]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.499966][  T323]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.500112][  T323]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.500247][  T323]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.500381][  T323]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.500518][  T323]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.500658][  T323]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.500792][  T323]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.500927][  T323]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.501066][  T323]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.501203][  T323]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.501337][  T323]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.501472][  T323]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.501613][  T323]  ? 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))
[   13.501752][  T323]  ? 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))
[   13.501889][  T323]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.502026][  T323]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.502163][  T323]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.502298][  T323]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.502433][  T323]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.502572][  T323]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.502714][  T323]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.502847][  T323]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.502980][  T323]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.503153][  T323]  ? move_addr_to_kernel (net/socket.c:258)
[   13.503288][  T323]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.503421][  T323]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   13.503560][  T323]  ___sys_sendmsg (net/socket.c:2752)
[   13.503698][  T323]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   13.503832][  T323]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.503970][  T323]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   13.504112][  T323]  ? 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))
[   13.504250][  T323]  __sys_sendmsg (net/socket.c:2784)
[   13.504385][  T323]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.504528][  T323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.504667][  T323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.504801][  T323]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.504934][  T323]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.505074][  T323]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.505209][  T323]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.505377][  T323] RIP: 0033:0x7f821b00308e
[   13.505522][  T323] 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
[   13.506004][  T323] RSP: 002b:00007fff6f688b00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.506213][  T323] RAX: ffffffffffffffda RBX: 00007fff6f689298 RCX: 00007f821b00308e
[   13.506414][  T323] RDX: 0000000000000000 RSI: 00007fff6f688bb0 RDI: 0000000000000005
[   13.506616][  T323] RBP: 00007fff6f688b10 R08: 0000000000000000 R09: 0000000000000000
[   13.506823][  T323] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d837
[   13.507023][  T323] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6f689270
| [   13.514306][  T323] ------------[ cut here ]------------
| [   13.514447][  T323] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/323
| [   13.515043][  T323] Modules linked in:
| [   13.515418][  T323] Tainted: [W]=WARN
[   13.515522][  T323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.515695][  T323] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.515868][  T323] 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
[   13.516344][  T323] RSP: 0018:ffa0000000b171b0 EFLAGS: 00010286
[   13.516515][  T323] RAX: 00000000ffffffa6 RBX: ff1100000cdc4c80 RCX: 1ff4000000162dfc
[   13.516719][  T323] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdc4d3c
[   13.516918][  T323] RBP: ff1100000ea31000 R08: 1fe22000019b89a9 R09: ff11000008e6d180
[   13.517122][  T323] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.517320][  T323] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   13.517523][  T323] FS:  00007f821adc9840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   13.517762][  T323] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.517929][  T323] CR2: 00000000004eb188 CR3: 0000000009172005 CR4: 0000000000771ef0
[   13.518132][  T323] PKRU: 55555554
[   13.518231][  T323] Call Trace:
[   13.518329][  T323]  <TASK>
[   13.518397][  T323]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.518536][  T323]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.518638][  T323]  __dev_notify_flags (net/core/dev.c:9787)
[   13.518776][  T323]  ? netif_change_name (net/core/dev.c:1495)
[   13.518911][  T323]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   13.519046][  T323]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   13.519186][  T323]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.519321][  T323]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.519457][  T323]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.519593][  T323]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.519731][  T323]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.519872][  T323]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.520010][  T323]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.520151][  T323]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.520282][  T323]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.520414][  T323]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.520549][  T323]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.520687][  T323]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.520823][  T323]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.520957][  T323]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.521095][  T323]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.521227][  T323]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.521359][  T323]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.521491][  T323]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.521631][  T323]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.521766][  T323]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.521899][  T323]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.522031][  T323]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.522169][  T323]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.522306][  T323]  ? 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))
[   13.522437][  T323]  ? 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))
[   13.522578][  T323]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.522718][  T323]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.522851][  T323]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.522985][  T323]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.523125][  T323]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.523259][  T323]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.523393][  T323]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.523529][  T323]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.523666][  T323]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.523831][  T323]  ? move_addr_to_kernel (net/socket.c:258)
[   13.523964][  T323]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.524100][  T323]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   13.524235][  T323]  ___sys_sendmsg (net/socket.c:2752)
[   13.524366][  T323]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   13.524500][  T323]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.524643][  T323]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   13.524787][  T323]  ? 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))
[   13.524921][  T323]  __sys_sendmsg (net/socket.c:2784)
[   13.525057][  T323]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.525195][  T323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.525327][  T323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.525463][  T323]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.525599][  T323]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.525740][  T323]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.525873][  T323]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.526038][  T323] RIP: 0033:0x7f821b00308e
[   13.526182][  T323] 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
[   13.526661][  T323] RSP: 002b:00007fff6f688b00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.526861][  T323] RAX: ffffffffffffffda RBX: 00007fff6f689298 RCX: 00007f821b00308e
[   13.527063][  T323] RDX: 0000000000000000 RSI: 00007fff6f688bb0 RDI: 0000000000000005
[   13.527261][  T323] RBP: 00007fff6f688b10 R08: 0000000000000000 R09: 0000000000000000
[   13.527461][  T323] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d837
[   13.527666][  T323] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6f689270
| [   13.633705][  T327] ------------[ cut here ]------------
| [   13.633853][  T327] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/327
| [   13.634087][  T327] Modules linked in:
| [   13.634453][  T327] Tainted: [W]=WARN
[   13.634554][  T327] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.635300][  T327] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.635471][  T327] 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
[   13.635951][  T327] RSP: 0018:ffa0000000cd7020 EFLAGS: 00010286
[   13.636122][  T327] RAX: 00000000ffffffa6 RBX: ff1100000cbfe580 RCX: 1ff400000019adca
[   13.636314][  T327] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cbfe63c
[   13.636512][  T327] RBP: ff1100000ea31000 R08: 1fe220000197fcc9 R09: ff1100000fb5ae58
[   13.636712][  T327] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   13.636904][  T327] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.637104][  T327] FS:  00007f3acdb3e840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   13.637329][  T327] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.637492][  T327] CR2: 000000002c1a1988 CR3: 000000000fcae002 CR4: 0000000000771ef0
[   13.637699][  T327] PKRU: 55555554
[   13.637796][  T327] Call Trace:
[   13.637893][  T327]  <TASK>
[   13.637960][  T327]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.638097][  T327]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.638197][  T327]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.638326][  T327]  __dev_notify_flags (net/core/dev.c:9787)
[   13.638458][  T327]  ? netif_change_name (net/core/dev.c:1495)
[   13.638593][  T327]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.638730][  T327]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.638859][  T327]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.638989][  T327]  ? 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))
[   13.639127][  T327]  netif_change_flags (net/core/dev.c:9820)
[   13.639257][  T327]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.639388][  T327]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.639524][  T327]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.639662][  T327]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.639825][  T327]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.639953][  T327]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.640087][  T327]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.640215][  T327]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.640346][  T327]  ? __kernel_text_address (kernel/extable.c:79)
[   13.640476][  T327]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.640610][  T327]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.640744][  T327]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.640874][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.641004][  T327]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.641139][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.641267][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.641396][  T327]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.641530][  T327]  ? __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)
[   13.641664][  T327]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.641796][  T327]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.641928][  T327]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.642066][  T327]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.642199][  T327]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.642331][  T327]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.642460][  T327]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.642593][  T327]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.642729][  T327]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.642859][  T327]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.642991][  T327]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.643125][  T327]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.643255][  T327]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.643386][  T327]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.643519][  T327]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.643650][  T327]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.643786][  T327]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.643917][  T327]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.644048][  T327]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.644185][  T327]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.644313][  T327]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.644444][  T327]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.644576][  T327]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.644712][  T327]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.644846][  T327]  ? 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))
[   13.644975][  T327]  ? 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))
[   13.645114][  T327]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.645245][  T327]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.645375][  T327]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.645510][  T327]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.645640][  T327]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.645777][  T327]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.645909][  T327]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.646040][  T327]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.646177][  T327]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.646338][  T327]  ? move_addr_to_kernel (net/socket.c:258)
[   13.646468][  T327]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.646602][  T327]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.646740][  T327]  ___sys_sendmsg (net/socket.c:2752)
[   13.646870][  T327]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.647032][  T327]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.647182][  T327]  __sys_sendmsg (net/socket.c:2784)
[   13.647313][  T327]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.647441][  T327]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.647610][  T327]  ? 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)
[   13.647747][  T327]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.647878][  T327]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.648007][  T327]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.648145][  T327]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.648275][  T327]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.648436][  T327] RIP: 0033:0x7f3acdd7808e
[   13.648576][  T327] 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
[   13.649044][  T327] RSP: 002b:00007ffd21c13c90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.649244][  T327] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3acdd7808e
[   13.649437][  T327] RDX: 0000000000000000 RSI: 00007ffd21c13d40 RDI: 0000000000000005
[   13.649636][  T327] RBP: 00007ffd21c13ca0 R08: 0000000000000000 R09: 0000000000000000
[   13.649834][  T327] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d837
[   13.650028][  T327] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd21c14400
| [   13.754215][  T331] ------------[ cut here ]------------
| [   13.754362][  T331] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/331
| [   13.754596][  T331] Modules linked in:
| [   13.754968][  T331] Tainted: [W]=WARN
[   13.755070][  T331] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.755265][  T331] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.755440][  T331] 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
[   13.755914][  T331] RSP: 0018:ffa0000000cc7020 EFLAGS: 00010286
[   13.756083][  T331] RAX: 00000000ffffffa6 RBX: ff1100000d1fac80 RCX: 1ff4000000198dca
[   13.756275][  T331] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1fad3c
[   13.756471][  T331] RBP: ff1100000f2b4000 R08: 1fe2200001a3f5a9 R09: ff1100000e608b58
[   13.756675][  T331] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   13.756869][  T331] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   13.757065][  T331] FS:  00007f09c4d1d840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   13.757293][  T331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.757456][  T331] CR2: 0000000020f38988 CR3: 0000000010bbc005 CR4: 0000000000771ef0
[   13.757661][  T331] PKRU: 55555554
[   13.757759][  T331] Call Trace:
[   13.757855][  T331]  <TASK>
[   13.757923][  T331]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.758060][  T331]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.758161][  T331]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.758291][  T331]  __dev_notify_flags (net/core/dev.c:9787)
[   13.758423][  T331]  ? netif_change_name (net/core/dev.c:1495)
[   13.758557][  T331]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.758693][  T331]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   13.758823][  T331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.758953][  T331]  ? 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))
[   13.759092][  T331]  netif_change_flags (net/core/dev.c:9820)
[   13.759223][  T331]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   13.759352][  T331]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.759484][  T331]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.759617][  T331]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.759866][  T331]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.759998][  T331]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.760132][  T331]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.760262][  T331]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.760392][  T331]  ? __kernel_text_address (kernel/extable.c:79)
[   13.760527][  T331]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.760737][  T331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.760867][  T331]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.760999][  T331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.761135][  T331]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.761265][  T331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.761394][  T331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.761528][  T331]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.761665][  T331]  ? __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)
[   13.761795][  T331]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.761930][  T331]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.762067][  T331]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.762201][  T331]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.762334][  T331]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.762468][  T331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.762605][  T331]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.762742][  T331]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.762873][  T331]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.763003][  T331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.763142][  T331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.763272][  T331]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.763402][  T331]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.763537][  T331]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.763682][  T331]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.763813][  T331]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.763943][  T331]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.764082][  T331]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.764215][  T331]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.764347][  T331]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.764476][  T331]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.764610][  T331]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.764745][  T331]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   13.764875][  T331]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.765009][  T331]  ? 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))
[   13.765146][  T331]  ? 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))
[   13.765277][  T331]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.765408][  T331]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.765542][  T331]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.765679][  T331]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.765810][  T331]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.765942][  T331]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.766079][  T331]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.766210][  T331]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.766340][  T331]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.766501][  T331]  ? move_addr_to_kernel (net/socket.c:258)
[   13.766635][  T331]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.766771][  T331]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.766904][  T331]  ___sys_sendmsg (net/socket.c:2752)
[   13.767036][  T331]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.767208][  T331]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.767352][  T331]  __sys_sendmsg (net/socket.c:2784)
[   13.767484][  T331]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.767616][  T331]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.767788][  T331]  ? 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)
[   13.767919][  T331]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.768058][  T331]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.768190][  T331]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.768320][  T331]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.768452][  T331]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.768614][  T331] RIP: 0033:0x7f09c4f5708e
[   13.768757][  T331] 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
[   13.769227][  T331] RSP: 002b:00007fff350e5c40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.769422][  T331] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f09c4f5708e
[   13.769620][  T331] RDX: 0000000000000000 RSI: 00007fff350e5cf0 RDI: 0000000000000005
[   13.769820][  T331] RBP: 00007fff350e5c50 R08: 0000000000000000 R09: 0000000000000000
[   13.770016][  T331] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d838
[   13.770215][  T331] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff350e63b0
| [   13.772555][   T36] ------------[ cut here ]------------
| [   13.772749][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/36
| [   13.773031][   T36] Modules linked in:
| [   13.773494][   T36] Tainted: [W]=WARN
[   13.773642][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.773853][   T36] Workqueue: events_unbound linkwatch_event
[   13.774062][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.774266][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   13.774767][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   13.774974][   T36] RAX: 00000000ffffffa6 RBX: ff110000061c8040 RCX: 1ff4000000051f02
[   13.775206][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000061c80fc
[   13.775429][   T36] RBP: ff1100000f2b4000 R08: 1fe2200000c39021 R09: ff11000001d751a8
[   13.775677][   T36] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   13.775902][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.776132][   T36] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   13.776385][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.776587][   T36] CR2: 00007f4cd72fcf98 CR3: 000000004994d002 CR4: 0000000000771ef0
[   13.776831][   T36] PKRU: 55555554
[   13.776966][   T36] Call Trace:
[   13.777109][   T36]  <TASK>
[   13.777219][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.777386][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.777560][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.777715][   T36]  netif_state_change (net/core/dev.c:1605)
[   13.777887][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.778089][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.778255][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.778423][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.778598][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.778778][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.778945][   T36]  process_one_work (kernel/workqueue.c:3314)
[   13.779128][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.779297][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.779468][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.779647][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.779829][   T36]  kthread (kernel/kthread.c:436)
[   13.779966][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.780173][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.780339][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.780514][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.780727][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.780894][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.781069][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   13.783343][   T36] ------------[ cut here ]------------
| [   13.783480][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   13.783745][   T36] Modules linked in:
| [   13.784123][   T36] Tainted: [W]=WARN
[   13.784213][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.784362][   T36] Workqueue: events_unbound linkwatch_event
[   13.784517][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.784687][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   13.785124][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   13.785274][   T36] RAX: 00000000ffffffa6 RBX: ff110000061c8900 RCX: 1ff4000000051f02
[   13.785458][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000061c89bc
[   13.785638][   T36] RBP: ff1100000ea31000 R08: 1fe2200000c39139 R09: ff11000001d751a8
[   13.785832][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   13.786010][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   13.786195][   T36] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   13.786404][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.786558][   T36] CR2: 000055d401a14320 CR3: 00000000108dd006 CR4: 0000000000771ef0
[   13.786747][   T36] PKRU: 55555554
[   13.786836][   T36] Call Trace:
[   13.786926][   T36]  <TASK>
[   13.786989][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.787112][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.787233][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.787326][   T36]  netif_state_change (net/core/dev.c:1605)
[   13.787446][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   13.787603][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   13.787725][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   13.787845][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.787974][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   13.788095][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   13.788218][   T36]  process_one_work (kernel/workqueue.c:3314)
[   13.788342][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   13.788461][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.788588][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   13.788717][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   13.788836][   T36]  kthread (kernel/kthread.c:436)
[   13.788926][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   13.789079][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.789202][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   13.789322][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   13.789471][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   13.789593][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   13.789719][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.257106][   T12] ------------[ cut here ]------------
| [   20.257285][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   20.257517][   T12] Modules linked in: xfrm_user nf_tables
| [   20.258038][   T12] Tainted: [W]=WARN
[   20.258134][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.258286][   T12] Workqueue: netns cleanup_net
[   20.258407][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.258608][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.259062][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.259212][   T12] RAX: 00000000ffffffa6 RBX: ff110000124418c0 RCX: 1ff4000000018eed
[   20.259379][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001244197c
[   20.259550][   T12] RBP: ff1100000e81c000 R08: 1fe2200002488331 R09: ff11000001aed1d0
[   20.259763][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   20.259933][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.260107][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   20.260305][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.260446][   T12] CR2: 00007eff2b001574 CR3: 000000004994d001 CR4: 0000000000771ef0
[   20.260618][   T12] PKRU: 55555554
[   20.260725][   T12] Call Trace:
[   20.260809][   T12]  <TASK>
[   20.260868][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.261017][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.261162][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.261277][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.261391][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.261561][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.261716][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.261833][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.261946][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.262060][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.262181][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.262294][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.262407][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.262524][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.262636][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.262758][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.262874][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.262985][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.263107][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.263224][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.263335][   T12]  kthread (kernel/kthread.c:436)
[   20.263420][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.263563][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.263685][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.263802][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.263947][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.264059][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.264178][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.266807][   T12] ------------[ cut here ]------------
| [   20.266994][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   20.267276][   T12] Modules linked in: xfrm_user nf_tables
| [   20.267758][   T12] Tainted: [W]=WARN
[   20.267887][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.268081][   T12] Workqueue: netns cleanup_net
[   20.268248][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.268442][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.268912][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.269106][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be30040 RCX: 1ff4000000018eed
[   20.269322][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be300fc
[   20.269541][   T12] RBP: ff1100000e9a9000 R08: 1fe22000017c6021 R09: ff11000001aed1d0
[   20.269776][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   20.270000][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.270224][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   20.270467][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.270707][   T12] CR2: 00007f8132366000 CR3: 000000004994d006 CR4: 0000000000771ef0
[   20.270922][   T12] PKRU: 55555554
[   20.271062][   T12] Call Trace:
[   20.271202][   T12]  <TASK>
[   20.271305][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.271496][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.271701][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.271891][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.272051][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.272216][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.272378][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.272543][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.272718][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.272876][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.273038][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.273202][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.273361][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.273526][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.273700][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.273863][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.274028][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.274195][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.274359][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.274528][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.274700][   T12]  kthread (kernel/kthread.c:436)
[   20.274835][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.275022][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.275190][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.275353][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.275546][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.275719][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.275882][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.279341][   T12] ------------[ cut here ]------------
| [   20.279499][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   20.279788][   T12] Modules linked in: xfrm_user nf_tables
| [   20.280309][   T12] Tainted: [W]=WARN
[   20.280438][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.280631][   T12] Workqueue: netns cleanup_net
[   20.280810][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.281003][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.281454][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.281648][   T12] RAX: 00000000ffffffa6 RBX: ff110000100cc200 RCX: 1ff4000000018eed
[   20.281922][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000100cc2bc
[   20.282141][   T12] RBP: ff1100000fc74000 R08: 1fe2200002019859 R09: ff11000001aed1d0
[   20.282353][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   20.282574][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.282805][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   20.283046][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.283241][   T12] CR2: 00007f8132366000 CR3: 000000004994d006 CR4: 0000000000771ef0
[   20.283454][   T12] PKRU: 55555554
[   20.283590][   T12] Call Trace:
[   20.283729][   T12]  <TASK>
[   20.283835][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.284026][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.284222][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.284451][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.284621][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.284789][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.284952][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.285126][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.285288][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.285444][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.285614][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.285786][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.285944][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.286112][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.286272][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.286434][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.286685][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.286843][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.287007][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.287178][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.287337][   T12]  kthread (kernel/kthread.c:436)
[   20.287468][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.287677][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.287904][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.288064][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.288262][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.288424][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.288590][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.291613][   T12] ------------[ cut here ]------------
| [   20.292543][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   20.292872][   T12] Modules linked in: xfrm_user nf_tables
| [   20.293421][   T12] Tainted: [W]=WARN
[   20.293600][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.293840][   T12] Workqueue: netns cleanup_net
[   20.294102][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.294342][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.294848][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.295088][   T12] RAX: 00000000ffffffa6 RBX: ff110000100cc580 RCX: 1ff4000000018eed
[   20.295344][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000100cc63c
[   20.295610][   T12] RBP: ff11000008c84000 R08: 1fe22000020198c9 R09: ff11000001aed1d0
[   20.295878][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   20.296139][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.296396][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   20.296699][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.296932][   T12] CR2: 00007f8132366000 CR3: 000000004994d006 CR4: 0000000000771ef0
[   20.297196][   T12] PKRU: 55555554
[   20.297368][   T12] Call Trace:
[   20.297547][   T12]  <TASK>
[   20.297708][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.297942][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.298177][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.298382][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.298593][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.298809][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.298997][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.299166][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.299326][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.299483][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.299664][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.299837][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.299997][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.300196][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.300355][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.300519][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.300695][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.300852][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.301044][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.301219][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.301380][   T12]  kthread (kernel/kthread.c:436)
[   20.301514][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.301717][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.301881][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.302042][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.302234][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.302393][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.302563][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.305038][   T12] ------------[ cut here ]------------
| [   20.305198][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   20.305468][   T12] Modules linked in: xfrm_user nf_tables
| [   20.306324][   T12] Tainted: [W]=WARN
[   20.306549][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.306836][   T12] Workqueue: netns cleanup_net
[   20.307097][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.307381][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.307898][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.308177][   T12] RAX: 00000000ffffffa6 RBX: ff110000100cda80 RCX: 1ff4000000018eed
[   20.308435][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000100cdb3c
[   20.308710][   T12] RBP: ff1100000846c000 R08: 1fe2200002019b69 R09: ff11000001aed1d0
[   20.308964][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   20.309225][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.309480][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   20.309783][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.310014][   T12] CR2: 00007f8132366000 CR3: 000000004994d006 CR4: 0000000000771ef0
[   20.310278][   T12] PKRU: 55555554
[   20.310448][   T12] Call Trace:
[   20.310624][   T12]  <TASK>
[   20.310781][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.311016][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.311256][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.311459][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.311681][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.311881][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.312090][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.312294][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.312497][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.312718][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.312926][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.313136][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.313338][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.313548][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.313764][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.313969][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.314212][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.314397][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.314634][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.314813][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.314972][   T12]  kthread (kernel/kthread.c:436)
[   20.315112][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.315367][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.315528][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.315702][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.315962][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.316132][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.316294][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.329383][   T12] ------------[ cut here ]------------
| [   20.329522][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   20.329766][   T12] Modules linked in: xfrm_user nf_tables
| [   20.330170][   T12] Tainted: [W]=WARN
[   20.330259][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.330417][   T12] Workqueue: netns cleanup_net
[   20.330544][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.330763][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.331196][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   20.331346][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bbdc900 RCX: 1ff4000000018eaf
[   20.331527][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbdc9bc
[   20.331725][   T12] RBP: ff1100000f079000 R08: 1fe220000177b939 R09: ff11000001aed1d0
[   20.331902][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   20.332083][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f07c000
[   20.332263][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   20.332471][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.332629][   T12] CR2: 00007f4cd72de680 CR3: 000000004994d002 CR4: 0000000000771ef0
[   20.332812][   T12] PKRU: 55555554
[   20.332901][   T12] Call Trace:
[   20.332990][   T12]  <TASK>
[   20.333052][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.333179][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.333270][   T12]  netif_close_many (net/core/dev.c:1804)
[   20.333389][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.333511][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.333629][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.333751][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   20.333871][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.334019][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.334172][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.334293][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.334447][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.334573][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.334694][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.334843][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   20.334963][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.335086][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.335207][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.335326][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.335445][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.335569][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.335692][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.335812][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.335931][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.336049][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.336173][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.336290][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.336408][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.336533][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.336656][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.336779][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.336901][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.337021][   T12]  kthread (kernel/kthread.c:436)
[   20.337113][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.337260][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.337378][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.337497][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.337648][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.337772][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.337891][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.341103][   T12] ------------[ cut here ]------------
| [   20.341233][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   20.341541][   T12] Modules linked in: xfrm_user nf_tables
| [   20.342003][   T12] Tainted: [W]=WARN
[   20.342099][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.342251][   T12] Workqueue: netns cleanup_net
[   20.342377][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.342536][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.343039][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   20.343197][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bbdde00 RCX: 1ff4000000018eaf
[   20.343375][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbddebc
[   20.343556][   T12] RBP: ff1100000f07c000 R08: 1fe220000177bbd9 R09: ff11000001aed1d0
[   20.343803][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   20.343984][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000087e9000
[   20.344170][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   20.344380][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.344533][   T12] CR2: 00007f08bb216668 CR3: 0000000012de7006 CR4: 0000000000771ef0
[   20.344781][   T12] PKRU: 55555554
[   20.344874][   T12] Call Trace:
[   20.344964][   T12]  <TASK>
[   20.345028][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.345154][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.345279][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.345370][   T12]  netif_close_many (net/core/dev.c:1804)
[   20.345490][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.345612][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.345799][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.345918][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   20.346039][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.346194][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.346344][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.346463][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.346615][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.346907][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.347028][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.347182][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   20.347304][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.347429][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.347552][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.347764][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.347886][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.348009][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.348133][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.348255][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.348375][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.348494][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.348618][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.348835][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.348957][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.349086][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.349205][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.349330][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.349454][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.349574][   T12]  kthread (kernel/kthread.c:436)
[   20.349755][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.349906][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.350026][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.350150][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.350298][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.350416][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.350539][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.353236][   T12] ------------[ cut here ]------------
| [   20.353360][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   20.353596][   T12] Modules linked in: xfrm_user nf_tables
| [   20.354038][   T12] Tainted: [W]=WARN
[   20.354138][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.354287][   T12] Workqueue: netns cleanup_net
[   20.354410][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.354567][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.354999][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   20.355155][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fee5000 RCX: 1ff4000000018eaf
[   20.355331][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fee50bc
[   20.355512][   T12] RBP: ff110000087e9000 R08: 1fe2200001fdca19 R09: ff11000001aed1d0
[   20.355695][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   20.355872][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   20.356050][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   20.356260][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.356409][   T12] CR2: 00007f08bb216668 CR3: 0000000012de7006 CR4: 0000000000771ef0
[   20.356592][   T12] PKRU: 55555554
[   20.356686][   T12] Call Trace:
[   20.356775][   T12]  <TASK>
[   20.356837][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.356956][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.357080][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.357172][   T12]  netif_close_many (net/core/dev.c:1804)
[   20.357290][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.357410][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.357536][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.357660][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   20.357780][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.357929][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.358083][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.358202][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.358348][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.358467][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.358588][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.358908][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   20.359032][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.359159][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.359280][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.359398][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.359519][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.359640][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.359818][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.359939][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.360059][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.360183][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.360303][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.360422][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.360545][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.360735][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.360854][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.360978][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.361107][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.361228][   T12]  kthread (kernel/kthread.c:436)
[   20.361317][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.361463][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.361586][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.361753][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.361902][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.362023][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.362148][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.366119][   T12] ------------[ cut here ]------------
| [   20.366259][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   20.366486][   T12] Modules linked in: xfrm_user nf_tables
| [   20.366886][   T12] Tainted: [W]=WARN
[   20.366972][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.367122][   T12] Workqueue: netns cleanup_net
[   20.367240][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.367388][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.367805][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   20.367947][   T12] RAX: 00000000ffffffa6 RBX: ff11000010af0200 RCX: 1ff4000000018ed5
[   20.368122][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010af02bc
[   20.368292][   T12] RBP: ff1100000f079000 R08: 1fe220000215e059 R09: ff11000001aed1d0
[   20.368461][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   20.368638][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.368866][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   20.369067][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.369217][   T12] CR2: 00007f86c40ed318 CR3: 000000000fe14003 CR4: 0000000000771ef0
[   20.369392][   T12] PKRU: 55555554
[   20.369479][   T12] Call Trace:
[   20.369567][   T12]  <TASK>
[   20.369627][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.369820][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.369962][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.370081][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.370196][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.370345][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.370463][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.370581][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.370743][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.370861][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.371040][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.371161][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.371279][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.371395][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.371512][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.371628][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.371797][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.371914][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.372032][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.372153][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.372275][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.372393][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.372512][   T12]  kthread (kernel/kthread.c:436)
[   20.372599][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.372756][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.372872][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.372988][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.373138][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.373253][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.373368][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.375835][   T12] ------------[ cut here ]------------
| [   20.375968][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.376207][   T12] Modules linked in: xfrm_user nf_tables
| [   20.376600][   T12] Tainted: [W]=WARN
[   20.376694][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.376845][   T12] Workqueue: netns cleanup_net
[   20.376967][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.377124][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.377542][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   20.377693][   T12] RAX: 00000000ffffffa6 RBX: ff11000010af0e40 RCX: 1ff4000000018ed5
[   20.377868][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010af0efc
[   20.378043][   T12] RBP: ff1100000f07c000 R08: 1fe220000215e1e1 R09: ff11000001aed1d0
[   20.378224][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.378404][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.378580][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.378789][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.378935][   T12] CR2: 00005648c7bcd2b8 CR3: 0000000012de7005 CR4: 0000000000771ef0
[   20.379116][   T12] PKRU: 55555554
[   20.379203][   T12] Call Trace:
[   20.379290][   T12]  <TASK>
[   20.379352][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.379502][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.379649][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.379773][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.379890][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.380039][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.380162][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.380280][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.380396][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.380516][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.380634][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.380754][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.380875][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.380992][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.381112][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.381230][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.381346][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.381463][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.381585][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.381709][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.381831][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.381951][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.382072][   T12]  kthread (kernel/kthread.c:436)
[   20.382161][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.382306][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.382423][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.382542][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.382693][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.382809][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.382926][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.385596][   T12] ------------[ cut here ]------------
| [   20.385721][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.385954][   T12] Modules linked in: xfrm_user nf_tables
| [   20.386356][   T12] Tainted: [W]=WARN
[   20.386448][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.386598][   T12] Workqueue: netns cleanup_net
[   20.386726][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.386878][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.387318][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   20.387465][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d5d4040 RCX: 1ff4000000018ed5
[   20.387642][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5d40fc
[   20.387843][   T12] RBP: ff110000087e9000 R08: 1fe2200001aba821 R09: ff11000001aed1d0
[   20.388025][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.388209][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.388385][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.388593][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.388744][   T12] CR2: 00005648c7bcd2b8 CR3: 000000004994d006 CR4: 0000000000771ef0
[   20.388922][   T12] PKRU: 55555554
[   20.389010][   T12] Call Trace:
[   20.389102][   T12]  <TASK>
[   20.389164][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.389313][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.389458][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.389576][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.389695][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.389847][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.389966][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.390090][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.390207][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.390327][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.390445][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.390564][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.390691][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.390810][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.390926][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.391044][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.391166][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.391285][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.391405][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.391525][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.391655][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.391777][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.391892][   T12]  kthread (kernel/kthread.c:436)
[   20.391981][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.392132][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.392323][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.392439][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.392589][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.392712][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.392901][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.443568][   T12] ------------[ cut here ]------------
| [   20.443710][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.443943][   T12] Modules linked in: xfrm_user nf_tables
| [   20.444337][   T12] Tainted: [W]=WARN
[   20.444425][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.444573][   T12] Workqueue: netns cleanup_net
[   20.444699][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.444850][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.445279][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.445427][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d5d4e40 RCX: 1ff4000000018eed
[   20.445603][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5d4efc
[   20.445785][   T12] RBP: ff1100000e44c000 R08: 1fe2200001aba9e1 R09: ff11000001aed1d0
[   20.445962][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.446142][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.446316][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.446531][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.446689][   T12] CR2: 00005648c7bcd2b8 CR3: 000000004994d006 CR4: 0000000000771ef0
[   20.446883][   T12] PKRU: 55555554
[   20.446974][   T12] Call Trace:
[   20.447061][   T12]  <TASK>
[   20.447129][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.447279][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.447425][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.447544][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.447666][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.447784][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.447901][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.448019][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.448148][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.448264][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.448384][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.448505][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.448622][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.448748][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.448867][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.448986][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.449112][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.449229][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.449351][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.449472][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.449594][   T12]  kthread (kernel/kthread.c:436)
[   20.449689][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.449834][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.449953][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.450077][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.450224][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.450342][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.450471][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.452635][   T12] ------------[ cut here ]------------
| [   20.452762][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.452993][   T12] Modules linked in: xfrm_user nf_tables
| [   20.453382][   T12] Tainted: [W]=WARN
[   20.453471][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.453625][   T12] Workqueue: netns cleanup_net
[   20.453752][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.453907][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.454337][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.454485][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d5d5540 RCX: 1ff4000000018eed
[   20.454665][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5d55fc
[   20.454841][   T12] RBP: ff1100000e859000 R08: 1fe2200001abaac1 R09: ff11000001aed1d0
[   20.455027][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.455207][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.455384][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.455595][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.455751][   T12] CR2: 00005648c7bcd2b8 CR3: 000000004994d006 CR4: 0000000000771ef0
[   20.455928][   T12] PKRU: 55555554
[   20.456015][   T12] Call Trace:
[   20.456108][   T12]  <TASK>
[   20.456169][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.456316][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.456461][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.456581][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.456704][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.456821][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.456946][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.457066][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.457191][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.457305][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.457426][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.457545][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.457665][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.457785][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.457902][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.458021][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.458144][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.458260][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.458382][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.458505][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.458624][   T12]  kthread (kernel/kthread.c:436)
[   20.458718][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.458862][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.458980][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.459103][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.459250][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.459367][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.459486][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.461605][   T12] ------------[ cut here ]------------
| [   20.461727][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.461955][   T12] Modules linked in: xfrm_user nf_tables
| [   20.462349][   T12] Tainted: [W]=WARN
[   20.462437][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.462588][   T12] Workqueue: netns cleanup_net
[   20.462717][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.462870][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.463296][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.463442][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ce11000 RCX: 1ff4000000018eed
[   20.463619][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce110bc
[   20.463800][   T12] RBP: ff1100000a9ec000 R08: 1fe22000019c2219 R09: ff11000001aed1d0
[   20.463977][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.464156][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.464329][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.464541][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.464692][   T12] CR2: 00005648c7bcd2b8 CR3: 000000004994d006 CR4: 0000000000771ef0
[   20.464869][   T12] PKRU: 55555554
[   20.464956][   T12] Call Trace:
[   20.465043][   T12]  <TASK>
[   20.465107][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.465257][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.465401][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.465522][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.465642][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.465763][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.465880][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.465998][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.466127][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.466243][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.466360][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.466477][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.466596][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.466721][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.466838][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.466956][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.467081][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.467198][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.467319][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.467440][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.467560][   T12]  kthread (kernel/kthread.c:436)
[   20.467650][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.467802][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.467922][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.468040][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.468191][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.468307][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.468423][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.470421][   T12] ------------[ cut here ]------------
| [   20.470543][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.470775][   T12] Modules linked in: xfrm_user nf_tables
| [   20.471320][   T12] Tainted: [W]=WARN
[   20.471408][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.471562][   T12] Workqueue: netns cleanup_net
[   20.471765][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.471918][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.472417][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.472568][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b59d380 RCX: 1ff4000000018eed
[   20.472821][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b59d43c
[   20.472994][   T12] RBP: ff110000026b4000 R08: 1fe22000016b3a89 R09: ff11000001aed1d0
[   20.473172][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.473420][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.473598][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.473807][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.474027][   T12] CR2: 00005648c7bcd2b8 CR3: 000000004994d006 CR4: 0000000000771ef0
[   20.474207][   T12] PKRU: 55555554
[   20.474294][   T12] Call Trace:
[   20.474380][   T12]  <TASK>
[   20.474514][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.474667][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.474811][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.474931][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.475127][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.475244][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.475364][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.475487][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.475683][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.475799][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.475924][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.476044][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.476237][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.476358][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.476475][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.476596][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.476791][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.476907][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.477034][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.477160][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.477277][   T12]  kthread (kernel/kthread.c:436)
[   20.477365][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.477512][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.477630][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.477751][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.477898][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.478015][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.478139][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.480141][   T12] ------------[ cut here ]------------
| [   20.480265][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.480567][   T12] Modules linked in: xfrm_user nf_tables
| [   20.480954][   T12] Tainted: [W]=WARN
[   20.481121][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.481269][   T12] Workqueue: netns cleanup_net
[   20.481390][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.481544][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.482039][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.482337][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b59d700 RCX: 1ff4000000018eed
[   20.482512][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b59d7bc
[   20.482692][   T12] RBP: ff11000010afc000 R08: 1fe22000016b3af9 R09: ff11000001aed1d0
[   20.483009][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.483189][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.483363][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.483720][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.483864][   T12] CR2: 00005648c7bcd2b8 CR3: 000000004994d006 CR4: 0000000000771ef0
[   20.484121][   T12] PKRU: 55555554
[   20.484209][   T12] Call Trace:
[   20.484297][   T12]  <TASK>
[   20.484358][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.484511][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.484732][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.484849][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.484967][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.485088][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.485277][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.485467][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.485594][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.485785][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.485905][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.486023][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.486140][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.486259][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.486519][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.486642][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.486766][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.486883][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.487009][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.487208][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.487324][   T12]  kthread (kernel/kthread.c:436)
[   20.487413][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.487563][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.487686][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.487803][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.488021][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.488143][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.488262][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.508302][   T12] ------------[ cut here ]------------
| [   20.508437][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.508692][   T12] Modules linked in: xfrm_user nf_tables
| [   20.509102][   T12] Tainted: [W]=WARN
[   20.509195][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.509351][   T12] Workqueue: netns cleanup_net
[   20.509480][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.509640][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.510249][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   20.510403][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b59d8c0 RCX: 1ff4000000018eaf
[   20.510589][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b59d97c
[   20.510822][   T12] RBP: ff11000002654000 R08: 1fe22000016b3b31 R09: ff11000001aed1d0
[   20.511005][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   20.511195][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ea19000
[   20.511380][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.511601][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.511803][   T12] CR2: 00005648c7bcd2b8 CR3: 000000004994d006 CR4: 0000000000771ef0
[   20.511991][   T12] PKRU: 55555554
[   20.512089][   T12] Call Trace:
[   20.512182][   T12]  <TASK>
[   20.512295][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.512420][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.512516][   T12]  netif_close_many (net/core/dev.c:1804)
[   20.512640][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.512813][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.512936][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.513060][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   20.513189][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.513348][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.513507][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.513632][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.513833][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.513958][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.514084][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.514239][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   20.514364][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.514490][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.514617][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.514791][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.514916][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.515041][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.515169][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.515303][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.515426][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.515550][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.515726][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.515849][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.515974][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.516106][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.516229][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.516356][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.516538][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.516709][   T12]  kthread (kernel/kthread.c:436)
[   20.516805][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.516957][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.517083][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.517208][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.517361][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.517484][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.517609][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.527298][   T12] ------------[ cut here ]------------
| [   20.527429][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.527683][   T12] Modules linked in: xfrm_user nf_tables
| [   20.528103][   T12] Tainted: [W]=WARN
[   20.528197][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.528349][   T12] Workqueue: netns cleanup_net
[   20.528476][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.528638][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.529098][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   20.529253][   T12] RAX: 00000000ffffffa6 RBX: ff11000008fec200 RCX: 1ff4000000018eaf
[   20.529434][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008fec2bc
[   20.529621][   T12] RBP: ff1100000ea19000 R08: 1fe22000011fd859 R09: ff11000001aed1d0
[   20.529810][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   20.529993][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000079cc000
[   20.530181][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.530397][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.530556][   T12] CR2: 00005648c7bcd2b8 CR3: 000000004994d006 CR4: 0000000000771ef0
[   20.530746][   T12] PKRU: 55555554
[   20.530838][   T12] Call Trace:
[   20.530929][   T12]  <TASK>
[   20.530993][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.531121][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.531246][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.531341][   T12]  netif_close_many (net/core/dev.c:1804)
[   20.531464][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.531590][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.531718][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.531841][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   20.531965][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.532126][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.532281][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.532404][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.532560][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.532690][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.532812][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.532966][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   20.533100][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.533224][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.533347][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.533471][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.533598][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.533727][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.533850][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.533976][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.534105][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.534228][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.534352][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.534474][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.534601][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.534732][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.534855][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.534983][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.535117][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.535241][   T12]  kthread (kernel/kthread.c:436)
[   20.535334][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.535487][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.535613][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.535742][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.535897][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.536020][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.536146][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.544420][   T12] ------------[ cut here ]------------
| [   20.544551][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.544799][   T12] Modules linked in: xfrm_user nf_tables
| [   20.545209][   T12] Tainted: [W]=WARN
[   20.545302][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.545457][   T12] Workqueue: netns cleanup_net
[   20.545587][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.545760][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.546207][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   20.546362][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dd26580 RCX: 1ff4000000018eaf
[   20.546545][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd2663c
[   20.546734][   T12] RBP: ff110000079cc000 R08: 1fe2200001ba4cc9 R09: ff11000001aed1d0
[   20.546918][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   20.547105][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   20.547288][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.547505][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.547665][   T12] CR2: 00005648c7bcd2b8 CR3: 000000004994d006 CR4: 0000000000771ef0
[   20.547851][   T12] PKRU: 55555554
[   20.547947][   T12] Call Trace:
[   20.548038][   T12]  <TASK>
[   20.548107][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.548229][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.548352][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.548445][   T12]  netif_close_many (net/core/dev.c:1804)
[   20.548573][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.548698][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.548820][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.548942][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   20.549066][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.549224][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.549379][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.549505][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.549664][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.549788][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.549911][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.550064][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   20.550196][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.550320][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.550443][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.550571][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.550699][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.550824][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.550947][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.551078][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.551201][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.551324][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.551451][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.551575][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.551704][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.551830][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.551953][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.552085][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.552213][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.552336][   T12]  kthread (kernel/kthread.c:436)
[   20.552430][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.552586][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.552714][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.552838][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.552991][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.553118][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.553243][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.555395][   T12] ------------[ cut here ]------------
| [   20.555522][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.556199][   T12] Modules linked in: xfrm_user nf_tables
| [   20.556590][   T12] Tainted: [W]=WARN
[   20.556728][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.556877][   T12] Workqueue: netns cleanup_net
[   20.557049][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.557208][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.557631][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   20.557824][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dd27700 RCX: 1ff4000000018ed5
[   20.558002][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd277bc
[   20.558189][   T12] RBP: ff11000002654000 R08: 1fe2200001ba4ef9 R09: ff11000001aed1d0
[   20.558364][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.558542][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.558765][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.558978][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.559131][   T12] CR2: 00005648c7bcd2b8 CR3: 000000004994d006 CR4: 0000000000771ef0
[   20.559308][   T12] PKRU: 55555554
[   20.559396][   T12] Call Trace:
[   20.559484][   T12]  <TASK>
[   20.559548][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.559747][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.559895][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.560013][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.560136][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.560287][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.560406][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.560530][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.560647][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.560818][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.560938][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.561056][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.561183][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.561300][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.561423][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.561545][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.561708][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.561827][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.561955][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.562081][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.562204][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.562327][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.562447][   T12]  kthread (kernel/kthread.c:436)
[   20.562539][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.562733][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.562851][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.562969][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.563125][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.563243][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.563362][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.567324][   T12] ------------[ cut here ]------------
| [   20.567503][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   20.567774][   T12] Modules linked in: xfrm_user nf_tables
| [   20.568171][   T12] Tainted: [W]=WARN
[   20.568260][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.568407][   T12] Workqueue: netns cleanup_net
[   20.568533][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.568698][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.569121][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   20.569274][   T12] RAX: 00000000ffffffa6 RBX: ff110000095943c0 RCX: 1ff4000000018ed5
[   20.569460][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000959447c
[   20.569638][   T12] RBP: ff1100000ea19000 R08: 1fe22000012b2891 R09: ff11000001aed1d0
[   20.569874][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   20.570054][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.570236][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   20.570441][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.570591][   T12] CR2: 000055d3d5b6bd5c CR3: 00000000108dd005 CR4: 0000000000771ef0
[   20.570820][   T12] PKRU: 55555554
[   20.570909][   T12] Call Trace:
[   20.570996][   T12]  <TASK>
[   20.571058][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.571219][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.571365][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.571484][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.571667][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.571819][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.571940][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.572058][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.572181][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.572300][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.572419][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.572540][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.572667][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.572785][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.572902][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.573021][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.573140][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.573260][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.573381][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.573499][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.573625][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.573754][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.573871][   T12]  kthread (kernel/kthread.c:436)
[   20.573959][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.574108][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.574225][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.574342][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.574489][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.574611][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.574734][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.578186][   T12] ------------[ cut here ]------------
| [   20.578323][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   20.578568][   T12] Modules linked in: xfrm_user nf_tables
| [   20.578963][   T12] Tainted: [W]=WARN
[   20.579051][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.579205][   T12] Workqueue: netns cleanup_net
[   20.579327][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.579481][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.579906][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   20.580053][   T12] RAX: 00000000ffffffa6 RBX: ff11000009595540 RCX: 1ff4000000018ed5
[   20.580247][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095955fc
[   20.580421][   T12] RBP: ff110000079cc000 R08: 1fe22000012b2ac1 R09: ff11000001aed1d0
[   20.580599][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   20.580779][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.580955][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   20.581165][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.581311][   T12] CR2: 000055d3d5b6bd5c CR3: 00000000108dd005 CR4: 0000000000771ef0
[   20.581493][   T12] PKRU: 55555554
[   20.581585][   T12] Call Trace:
[   20.581682][   T12]  <TASK>
[   20.581744][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.581894][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.582039][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.582162][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.582279][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.582431][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.582552][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.582675][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.582793][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.582912][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.583031][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.583154][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.583275][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.583397][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.583517][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.583636][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.583837][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.583956][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.584082][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.584201][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.584324][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.584445][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.584565][   T12]  kthread (kernel/kthread.c:436)
[   20.584739][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.584998][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.585122][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.585240][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.585387][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.585506][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.585623][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.620810][   T12] ------------[ cut here ]------------
| [   20.620947][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   20.621185][   T12] Modules linked in: xfrm_user nf_tables
| [   20.621573][   T12] Tainted: [W]=WARN
[   20.621772][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.621918][   T12] Workqueue: netns cleanup_net
[   20.622040][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.622199][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.622624][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.622777][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246e3c0 RCX: 1ff4000000018eed
[   20.622950][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e47c
[   20.623128][   T12] RBP: ff11000012064000 R08: 1fe220000248dc91 R09: ff11000001aed1d0
[   20.623300][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   20.623473][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.623660][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   20.623869][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.624016][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d003 CR4: 0000000000771ef0
[   20.624194][   T12] PKRU: 55555554
[   20.624329][   T12] Call Trace:
[   20.624432][   T12]  <TASK>
[   20.624493][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.624666][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.624815][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.624933][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.625050][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.625169][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.625291][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.625408][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.625531][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.625647][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.625773][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.625888][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.626004][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.626128][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.626244][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.626362][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.626483][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.626600][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.626724][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.626843][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.626957][   T12]  kthread (kernel/kthread.c:436)
[   20.627044][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.627193][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.627308][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.627426][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.627571][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.627692][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.627807][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.630175][   T12] ------------[ cut here ]------------
| [   20.630307][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   20.630545][   T12] Modules linked in: xfrm_user nf_tables
| [   20.631042][   T12] Tainted: [W]=WARN
[   20.631136][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.631281][   T12] Workqueue: netns cleanup_net
[   20.631403][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.631559][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.631988][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.632141][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246eac0 RCX: 1ff4000000018eed
[   20.632313][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246eb7c
[   20.632488][   T12] RBP: ff11000012041000 R08: 1fe220000248dd71 R09: ff11000001aed1d0
[   20.632682][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   20.632860][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.633035][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   20.633297][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.633459][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d003 CR4: 0000000000771ef0
[   20.633641][   T12] PKRU: 55555554
[   20.633740][   T12] Call Trace:
[   20.633827][   T12]  <TASK>
[   20.633887][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.634036][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.634188][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.634304][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.634421][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.634540][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.634665][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.634783][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.634900][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.635014][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.635141][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.635263][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.635388][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.635509][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.635625][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.635748][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.635867][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.635983][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.636112][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.636232][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.636346][   T12]  kthread (kernel/kthread.c:436)
[   20.636433][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.636579][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.636700][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.636817][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.636961][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.637081][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.637197][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.641132][   T12] ------------[ cut here ]------------
| [   20.641264][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   20.641543][   T12] Modules linked in: xfrm_user nf_tables
| [   20.641963][   T12] Tainted: [W]=WARN
[   20.642050][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.642198][   T12] Workqueue: netns cleanup_net
[   20.642319][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.642480][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.643001][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.643155][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246f1c0 RCX: 1ff4000000018eed
[   20.643417][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246f27c
[   20.643593][   T12] RBP: ff1100000ea69000 R08: 1fe220000248de51 R09: ff11000001aed1d0
[   20.643856][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   20.644028][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.644207][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   20.644410][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.644562][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d003 CR4: 0000000000771ef0
[   20.644822][   T12] PKRU: 55555554
[   20.644908][   T12] Call Trace:
[   20.644995][   T12]  <TASK>
[   20.645056][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.645212][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.645356][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.645474][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.645594][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.645757][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.645873][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.645990][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.646113][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.646229][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.646347][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.646464][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.646584][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.646747][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.646862][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.646980][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.647105][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.647221][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.647345][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.647465][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.647584][   T12]  kthread (kernel/kthread.c:436)
[   20.647718][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.647861][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.647982][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.648103][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.648251][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.648367][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.648483][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.655168][   T12] ------------[ cut here ]------------
| [   20.655301][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   20.655543][   T12] Modules linked in: xfrm_user nf_tables
| [   20.656027][   T12] Tainted: [W]=WARN
[   20.656122][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.656275][   T12] Workqueue: netns cleanup_net
[   20.656398][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.656555][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.656982][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.657138][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246f540 RCX: 1ff4000000018eed
[   20.657315][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246f5fc
[   20.657489][   T12] RBP: ff11000012031000 R08: 1fe220000248dec1 R09: ff11000001aed1d0
[   20.657675][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.657849][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.658028][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   20.658240][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.658390][   T12] CR2: 00007f037637d000 CR3: 0000000014def004 CR4: 0000000000771ef0
[   20.658569][   T12] PKRU: 55555554
[   20.658664][   T12] Call Trace:
[   20.658752][   T12]  <TASK>
[   20.658813][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.658964][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.659123][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.659242][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.659362][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.659481][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.659602][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.659726][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.659845][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.659966][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.660091][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.660211][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.660329][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.660448][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.660568][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.660692][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.660814][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.660932][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.661056][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.661182][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.661300][   T12]  kthread (kernel/kthread.c:436)
[   20.661389][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.661541][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.661664][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.661783][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.661932][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.662049][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.662172][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.664147][   T12] ------------[ cut here ]------------
| [   20.664268][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   20.664501][   T12] Modules linked in: xfrm_user nf_tables
| [   20.664944][   T12] Tainted: [W]=WARN
[   20.665034][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.665185][   T12] Workqueue: netns cleanup_net
[   20.665306][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.665459][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.665942][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.666098][   T12] RAX: 00000000ffffffa6 RBX: ff11000012253540 RCX: 1ff4000000018eed
[   20.666274][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000122535fc
[   20.666449][   T12] RBP: ff11000012019000 R08: 1fe220000244a6c1 R09: ff11000001aed1d0
[   20.666627][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.666849][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.667075][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   20.667284][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.667431][   T12] CR2: 00007f037637d000 CR3: 000000004994d005 CR4: 0000000000771ef0
[   20.667611][   T12] PKRU: 55555554
[   20.667744][   T12] Call Trace:
[   20.667830][   T12]  <TASK>
[   20.667891][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.668040][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.668189][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.668308][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.668425][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.668544][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.668747][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.668865][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.668984][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.669105][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.669226][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.669343][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.669460][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.669584][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.669792][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.669912][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.670034][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.670255][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.670377][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.670502][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.670623][   T12]  kthread (kernel/kthread.c:436)
[   20.670803][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.670948][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.671074][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.671196][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.671345][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.671473][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.671596][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.690806][   T12] ------------[ cut here ]------------
| [   20.690943][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.691192][   T12] Modules linked in: xfrm_user nf_tables
| [   20.691605][   T12] Tainted: [W]=WARN
[   20.691705][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.691858][   T12] Workqueue: netns cleanup_net
[   20.691986][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.692152][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.692591][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   20.692759][   T12] RAX: 00000000ffffffa6 RBX: ff11000012253700 RCX: 1ff4000000018eaf
[   20.692941][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000122537bc
[   20.693133][   T12] RBP: ff1100000e961000 R08: 1fe220000244a6f9 R09: ff11000001aed1d0
[   20.693316][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   20.693498][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f871000
[   20.693690][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.693908][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.694061][   T12] CR2: 00007f20d2095498 CR3: 0000000012af1005 CR4: 0000000000771ef0
[   20.694249][   T12] PKRU: 55555554
[   20.694341][   T12] Call Trace:
[   20.694433][   T12]  <TASK>
[   20.694497][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.694625][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.694727][   T12]  netif_close_many (net/core/dev.c:1804)
[   20.694854][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.694976][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.695104][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.695226][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   20.695350][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.695505][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.695666][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.695791][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.695941][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.696062][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.696191][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.696343][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   20.696468][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.696596][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.696724][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.696847][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.696971][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.697102][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.697222][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.697348][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.697470][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.697597][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.697727][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.697849][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.697973][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.698104][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.698225][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.698351][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.698478][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.698604][   T12]  kthread (kernel/kthread.c:436)
[   20.698702][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.698854][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.698975][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.699105][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.699259][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.699381][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.699508][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.701859][   T12] ------------[ cut here ]------------
| [   20.701983][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.702236][   T12] Modules linked in: xfrm_user nf_tables
| [   20.702644][   T12] Tainted: [W]=WARN
[   20.702743][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.702897][   T12] Workqueue: netns cleanup_net
[   20.703026][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.703190][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.703631][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   20.703791][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246cc80 RCX: 1ff4000000018eaf
[   20.703976][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246cd3c
[   20.704164][   T12] RBP: ff1100000f871000 R08: 1fe220000248d9a9 R09: ff11000001aed1d0
[   20.704347][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   20.704533][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000814c000
[   20.704727][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.704945][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.705105][   T12] CR2: 00007f20d2095498 CR3: 0000000012af1005 CR4: 0000000000771ef0
[   20.705290][   T12] PKRU: 55555554
[   20.705381][   T12] Call Trace:
[   20.705475][   T12]  <TASK>
[   20.705542][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.705669][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.705794][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.705888][   T12]  netif_close_many (net/core/dev.c:1804)
[   20.706012][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.706139][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.706262][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.706387][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   20.706514][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.706674][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.706830][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.706965][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.707125][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.707247][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.707369][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.707528][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   20.707658][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.707781][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.707906][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.708029][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.708161][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.708286][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.708409][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.708538][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.708665][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.708792][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.708916][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.709039][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.709169][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.709297][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.709422][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.709551][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.709685][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.709809][   T12]  kthread (kernel/kthread.c:436)
[   20.709903][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.710056][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.710189][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.710312][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.710466][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.710594][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.710724][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.712957][   T12] ------------[ cut here ]------------
| [   20.713086][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.713330][   T12] Modules linked in: xfrm_user nf_tables
| [   20.713755][   T12] Tainted: [W]=WARN
[   20.713849][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.714002][   T12] Workqueue: netns cleanup_net
[   20.714136][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.714297][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.714750][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   20.714906][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ebd83c0 RCX: 1ff4000000018eaf
[   20.715094][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ebd847c
[   20.715276][   T12] RBP: ff1100000814c000 R08: 1fe2200001d7b091 R09: ff11000001aed1d0
[   20.715460][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   20.715665][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   20.715850][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.716066][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.716226][   T12] CR2: 00007f20d2095498 CR3: 000000004994d002 CR4: 0000000000771ef0
[   20.716412][   T12] PKRU: 55555554
[   20.716507][   T12] Call Trace:
[   20.716600][   T12]  <TASK>
[   20.716667][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.716796][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.716919][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.717015][   T12]  netif_close_many (net/core/dev.c:1804)
[   20.717143][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.717265][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.717387][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.717513][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   20.717637][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.717801][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.717956][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.718082][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.718235][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.718359][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.718482][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.718637][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   20.718768][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.718892][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.719016][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.719141][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.719266][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.719391][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.719515][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.719641][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.719774][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.719896][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.720020][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.720148][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.720274][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.720401][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.720528][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.720661][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.720790][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.720914][   T12]  kthread (kernel/kthread.c:436)
[   20.721007][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.721164][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.721287][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.721411][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.721569][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.721696][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.721821][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.724195][   T12] ------------[ cut here ]------------
| [   20.724317][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.724556][   T12] Modules linked in: xfrm_user nf_tables
| [   20.724956][   T12] Tainted: [W]=WARN
[   20.725045][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.725201][   T12] Workqueue: netns cleanup_net
[   20.725329][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.725483][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.725917][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   20.726073][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ebd9540 RCX: 1ff4000000018ed5
[   20.726252][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ebd95fc
[   20.726431][   T12] RBP: ff1100000e961000 R08: 1fe2200001d7b2c1 R09: ff11000001aed1d0
[   20.726617][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.726799][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.726983][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.727197][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.727347][   T12] CR2: 00007f20d2095498 CR3: 000000004994d002 CR4: 0000000000771ef0
[   20.727530][   T12] PKRU: 55555554
[   20.727618][   T12] Call Trace:
[   20.727715][   T12]  <TASK>
[   20.727777][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.727929][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.728081][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.728200][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.728320][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.728474][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.728600][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.728723][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.728843][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.728964][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.729091][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.729210][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.729333][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.729453][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.729575][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.729700][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.729819][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.729940][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.730063][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.730187][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.730312][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.730437][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.730559][   T12]  kthread (kernel/kthread.c:436)
[   20.730648][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.730802][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.730922][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.731042][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.731196][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.731317][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.731437][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.733829][   T12] ------------[ cut here ]------------
| [   20.733952][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.734197][   T12] Modules linked in: xfrm_user nf_tables
| [   20.734594][   T12] Tainted: [W]=WARN
[   20.735241][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.735395][   T12] Workqueue: netns cleanup_net
[   20.735524][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.735743][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.736173][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   20.736323][   T12] RAX: 00000000ffffffa6 RBX: ff110000057cc200 RCX: 1ff4000000018ed5
[   20.736504][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057cc2bc
[   20.736765][   T12] RBP: ff1100000f871000 R08: 1fe2200000af9859 R09: ff11000001aed1d0
[   20.736990][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.737172][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.737351][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.737564][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.737762][   T12] CR2: 00007f20d2095498 CR3: 000000004994d002 CR4: 0000000000771ef0
[   20.737946][   T12] PKRU: 55555554
[   20.738044][   T12] Call Trace:
[   20.738138][   T12]  <TASK>
[   20.738202][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.738357][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.738509][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.738630][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.738796][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.738949][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.739078][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.739199][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.739320][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.739443][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.739568][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.739737][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.739859][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.739979][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.740107][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.740228][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.740351][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.740472][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.740598][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.740764][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.740889][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.741014][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.741138][   T12]  kthread (kernel/kthread.c:436)
[   20.741228][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.741386][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.741514][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.741635][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.741832][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.741951][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.742081][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.744885][   T12] ------------[ cut here ]------------
| [   20.745018][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   20.745268][   T12] Modules linked in: xfrm_user nf_tables
| [   20.745683][   T12] Tainted: [W]=WARN
[   20.745776][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.745926][   T12] Workqueue: netns cleanup_net
[   20.746053][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.746213][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.746641][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   20.746802][   T12] RAX: 00000000ffffffa6 RBX: ff110000057cd380 RCX: 1ff4000000018ed5
[   20.746982][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057cd43c
[   20.747168][   T12] RBP: ff1100000814c000 R08: 1fe2200000af9a89 R09: ff11000001aed1d0
[   20.747346][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.747527][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.747761][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   20.748019][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.748176][   T12] CR2: 00007f20d1d8a574 CR3: 000000004994d005 CR4: 0000000000771ef0
[   20.748356][   T12] PKRU: 55555554
[   20.748445][   T12] Call Trace:
[   20.748540][   T12]  <TASK>
[   20.748604][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.748848][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.748998][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.749124][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.749242][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.749393][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.749516][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.749642][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.749809][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.749930][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.750052][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.750184][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.750306][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.750426][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.750545][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.750717][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.750837][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.750957][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.751083][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.751202][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.751326][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.751449][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.751571][   T12]  kthread (kernel/kthread.c:436)
[   20.751706][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.751854][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.751973][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.752101][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.752249][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.752367][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.752487][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.816638][   T12] ------------[ cut here ]------------
| [   20.816784][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   20.817023][   T12] Modules linked in: xfrm_user nf_tables
| [   20.817418][   T12] Tainted: [W]=WARN
[   20.817512][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.817666][   T12] Workqueue: netns cleanup_net
[   20.817791][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.817946][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.818372][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.818529][   T12] RAX: 00000000ffffffa6 RBX: ff1100000baf8900 RCX: 1ff4000000018eed
[   20.818758][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baf89bc
[   20.818934][   T12] RBP: ff1100001220c000 R08: 1fe220000175f139 R09: ff11000001aed1d0
[   20.819112][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.819291][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.819467][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   20.819682][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.819830][   T12] CR2: 00007f20d1d8a574 CR3: 000000004994d005 CR4: 0000000000771ef0
[   20.820005][   T12] PKRU: 55555554
[   20.820101][   T12] Call Trace:
[   20.820188][   T12]  <TASK>
[   20.820250][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.820401][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.820550][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.820675][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.820795][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.820911][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.821031][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.821154][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.821276][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.821393][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.821517][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.821636][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.821760][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.821879][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.821998][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.822122][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.822244][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.822362][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.822485][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.822608][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.822734][   T12]  kthread (kernel/kthread.c:436)
[   20.822825][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.822971][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.823095][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.823214][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.823362][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.823481][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.823601][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.825760][   T12] ------------[ cut here ]------------
| [   20.825878][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   20.826111][   T12] Modules linked in: xfrm_user nf_tables
| [   20.826504][   T12] Tainted: [W]=WARN
[   20.826596][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.826978][   T12] Workqueue: netns cleanup_net
[   20.827109][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.827264][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.827747][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.827897][   T12] RAX: 00000000ffffffa6 RBX: ff1100000baf9000 RCX: 1ff4000000018eed
[   20.828078][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baf90bc
[   20.828255][   T12] RBP: ff110000121e1000 R08: 1fe220000175f219 R09: ff11000001aed1d0
[   20.828430][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.828611][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.828857][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   20.829068][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.829222][   T12] CR2: 00007f20d1d8a574 CR3: 000000004994d005 CR4: 0000000000771ef0
[   20.829398][   T12] PKRU: 55555554
[   20.829484][   T12] Call Trace:
[   20.829572][   T12]  <TASK>
[   20.829633][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.829793][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.829940][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.830061][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.830185][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.830302][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.830420][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.830545][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.830668][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.830786][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.830911][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.831030][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.831153][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.831273][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.831390][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.831513][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.831634][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.831759][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.831882][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.832004][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.832130][   T12]  kthread (kernel/kthread.c:436)
[   20.832219][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.832367][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.832485][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.832607][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.832762][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.832879][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.832997][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.835159][   T12] ------------[ cut here ]------------
| [   20.835277][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   20.835514][   T12] Modules linked in: xfrm_user nf_tables
| [   20.836330][   T12] Tainted: [W]=WARN
[   20.836464][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.836614][   T12] Workqueue: netns cleanup_net
[   20.836786][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.836938][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.837366][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.837515][   T12] RAX: 00000000ffffffa6 RBX: ff1100000baf9700 RCX: 1ff4000000018eed
[   20.837741][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baf97bc
[   20.837916][   T12] RBP: ff1100000f224000 R08: 1fe220000175f2f9 R09: ff11000001aed1d0
[   20.838097][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.838273][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.838452][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   20.838704][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.838854][   T12] CR2: 00007f20d1d8a574 CR3: 000000004994d005 CR4: 0000000000771ef0
[   20.839030][   T12] PKRU: 55555554
[   20.839123][   T12] Call Trace:
[   20.839211][   T12]  <TASK>
[   20.839273][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.839423][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.839570][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.839735][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.839855][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.839974][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.840097][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.840217][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.840336][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.840457][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.840581][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.840749][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.840866][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.840985][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.841107][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.841226][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.841352][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.841469][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.841598][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.841767][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.841885][   T12]  kthread (kernel/kthread.c:436)
[   20.841974][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.842125][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.842244][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.842362][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.842514][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.842631][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.842795][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.846223][   T12] ------------[ cut here ]------------
| [   20.846348][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   20.846586][   T12] Modules linked in: xfrm_user nf_tables
| [   20.846980][   T12] Tainted: [W]=WARN
[   20.847068][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.847224][   T12] Workqueue: netns cleanup_net
[   20.847346][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.847498][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.847923][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.848077][   T12] RAX: 00000000ffffffa6 RBX: ff1100000baf9a80 RCX: 1ff4000000018eed
[   20.848253][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baf9b3c
[   20.848429][   T12] RBP: ff1100000f264000 R08: 1fe220000175f369 R09: ff11000001aed1d0
[   20.848608][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.849384][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.849565][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   20.849815][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.849963][   T12] CR2: 00007f20d1d8a574 CR3: 000000004994d005 CR4: 0000000000771ef0
[   20.850192][   T12] PKRU: 55555554
[   20.850281][   T12] Call Trace:
[   20.850369][   T12]  <TASK>
[   20.850431][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.850584][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.850776][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.850899][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.851019][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.851143][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.851262][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.851384][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.851508][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.851625][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.851800][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.851920][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.852039][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.852163][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.852324][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.852444][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.852570][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.852735][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.852858][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.852978][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.853104][   T12]  kthread (kernel/kthread.c:436)
[   20.853203][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.853350][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.853468][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.853589][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.853783][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.853901][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.854022][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.856066][   T12] ------------[ cut here ]------------
| [   20.856199][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.856432][   T12] Modules linked in: xfrm_user nf_tables
| [   20.856834][   T12] Tainted: [W]=WARN
[   20.856928][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.857084][   T12] Workqueue: netns cleanup_net
[   20.857209][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.857363][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.857788][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.857936][   T12] RAX: 00000000ffffffa6 RBX: ff1100000baf9e00 RCX: 1ff4000000018eed
[   20.858114][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baf9ebc
[   20.858290][   T12] RBP: ff1100000ebcc000 R08: 1fe220000175f3d9 R09: ff11000001aed1d0
[   20.858465][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.858642][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.858832][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.859039][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.859191][   T12] CR2: 000055d3d5b6bd5c CR3: 0000000014d6e002 CR4: 0000000000771ef0
[   20.859368][   T12] PKRU: 55555554
[   20.859456][   T12] Call Trace:
[   20.859546][   T12]  <TASK>
[   20.859608][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.859765][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.859916][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.860038][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.860161][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.860278][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.860399][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.860522][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.860649][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.860776][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.860901][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.861017][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.861140][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.861259][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.861376][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.861496][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.861620][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.861743][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.861866][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.861989][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.862111][   T12]  kthread (kernel/kthread.c:436)
[   20.862200][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.862347][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.862468][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.862590][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.862741][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.862858][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.862975][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.880252][   T12] ------------[ cut here ]------------
| [   20.880387][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.880638][   T12] Modules linked in: xfrm_user nf_tables
| [   20.881059][   T12] Tainted: [W]=WARN
[   20.881161][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.881317][   T12] Workqueue: netns cleanup_net
[   20.881446][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.881609][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.882060][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   20.882228][   T12] RAX: 00000000ffffffa6 RBX: ff11000008fed700 RCX: 1ff4000000018eaf
[   20.882413][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008fed7bc
[   20.882603][   T12] RBP: ff1100000c75c000 R08: 1fe22000011fdaf9 R09: ff11000001aed1d0
[   20.882794][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   20.882979][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e5e4000
[   20.883173][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.883394][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.883551][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d003 CR4: 0000000000771ef0
[   20.883750][   T12] PKRU: 55555554
[   20.883845][   T12] Call Trace:
[   20.883938][   T12]  <TASK>
[   20.884003][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.884138][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.884233][   T12]  netif_close_many (net/core/dev.c:1804)
[   20.884357][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.884484][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.884611][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.884741][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   20.884867][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.885025][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.885189][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.885315][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.885469][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.885596][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.885725][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.885878][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   20.886006][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.886138][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.886264][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.886388][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.886520][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.886647][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.886778][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.886905][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.887035][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.887167][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.887297][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.887421][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.887551][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.887685][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.887815][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.887947][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.888078][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.888203][   T12]  kthread (kernel/kthread.c:436)
[   20.888297][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.888455][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.888582][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.888712][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.888868][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.888990][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.889121][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.891377][   T12] ------------[ cut here ]------------
| [   20.891517][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.892545][   T12] Modules linked in: xfrm_user nf_tables
| [   20.893061][   T12] Tainted: [W]=WARN
[   20.893162][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.893318][   T12] Workqueue: netns cleanup_net
[   20.893447][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.893611][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.894161][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   20.894322][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246a740 RCX: 1ff4000000018eaf
[   20.894510][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246a7fc
[   20.894794][   T12] RBP: ff1100000e5e4000 R08: 1fe220000248d501 R09: ff11000001aed1d0
[   20.894980][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   20.895172][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a3d1000
[   20.895361][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.895585][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.895839][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d003 CR4: 0000000000771ef0
[   20.896026][   T12] PKRU: 55555554
[   20.896129][   T12] Call Trace:
[   20.896222][   T12]  <TASK>
[   20.896293][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.896417][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.896546][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.896641][   T12]  netif_close_many (net/core/dev.c:1804)
[   20.896833][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.896957][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.897088][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.897212][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   20.897337][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.897493][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.897714][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.897840][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.897993][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.898123][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.898249][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.898404][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   20.898534][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.898710][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.898835][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.898961][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.899093][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.899221][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.899344][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.899472][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.899600][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.899772][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.899897][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.900020][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.900148][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.900276][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.900399][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.900531][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.900708][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.900832][   T12]  kthread (kernel/kthread.c:436)
[   20.900925][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.901083][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.901210][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.901335][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.901490][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.901618][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.901793][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.904285][   T12] ------------[ cut here ]------------
| [   20.904419][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   20.904669][   T12] Modules linked in: xfrm_user nf_tables
| [   20.905081][   T12] Tainted: [W]=WARN
[   20.905174][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.905326][   T12] Workqueue: netns cleanup_net
[   20.905454][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.905616][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.906062][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   20.906221][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246be00 RCX: 1ff4000000018eaf
[   20.906403][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246bebc
[   20.906596][   T12] RBP: ff1100000a3d1000 R08: 1fe220000248d7d9 R09: ff11000001aed1d0
[   20.906791][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   20.906976][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   20.907166][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   20.907384][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.907542][   T12] CR2: 000055d3d5b6bd5c CR3: 00000000108dd005 CR4: 0000000000771ef0
[   20.907735][   T12] PKRU: 55555554
[   20.907827][   T12] Call Trace:
[   20.907921][   T12]  <TASK>
[   20.907985][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.908112][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.908242][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.908335][   T12]  netif_close_many (net/core/dev.c:1804)
[   20.908458][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.908581][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.908710][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.908834][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   20.908957][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.909117][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.909276][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.909399][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.909554][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.909683][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.909810][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.909963][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   20.910095][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.910220][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.910344][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.910467][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.910595][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.910734][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.910857][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.910983][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.911112][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.911236][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.911360][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.911483][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.911608][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.911740][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.911863][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.911990][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.912121][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.912243][   T12]  kthread (kernel/kthread.c:436)
[   20.912335][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.912487][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.912614][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.912794][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.913018][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.913150][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.913272][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.915511][   T12] ------------[ cut here ]------------
| [   20.915644][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   20.915894][   T12] Modules linked in: xfrm_user nf_tables
| [   20.916288][   T12] Tainted: [W]=WARN
[   20.916377][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.916530][   T12] Workqueue: netns cleanup_net
[   20.917393][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.917553][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.918063][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   20.918221][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be5f000 RCX: 1ff4000000018ed5
[   20.918397][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be5f0bc
[   20.918574][   T12] RBP: ff1100000c75c000 R08: 1fe22000017cbe19 R09: ff11000001aed1d0
[   20.918829][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   20.919007][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.919189][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   20.919395][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.919624][   T12] CR2: 00007f7db6460574 CR3: 000000004994d005 CR4: 0000000000771ef0
[   20.919888][   T12] PKRU: 55555554
[   20.919977][   T12] Call Trace:
[   20.920065][   T12]  <TASK>
[   20.920136][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.920288][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.920440][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.920561][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.920762][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.920917][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.921037][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.921166][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.921284][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.921405][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.921528][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.921645][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.921846][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.921966][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.922086][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.922206][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.922324][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.922443][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.922569][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.922762][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.922887][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.923014][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.923137][   T12]  kthread (kernel/kthread.c:436)
[   20.923227][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.923374][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.923494][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.923616][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.923848][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.923966][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.924089][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.926699][   T12] ------------[ cut here ]------------
| [   20.926827][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.927063][   T12] Modules linked in: xfrm_user nf_tables
| [   20.927474][   T12] Tainted: [W]=WARN
[   20.927574][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.927728][   T12] Workqueue: netns cleanup_net
[   20.927851][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.928005][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.928435][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   20.928593][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be5fc40 RCX: 1ff4000000018ed5
[   20.928776][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be5fcfc
[   20.928952][   T12] RBP: ff1100000e5e4000 R08: 1fe22000017cbfa1 R09: ff11000001aed1d0
[   20.929134][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.929311][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.929488][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.929705][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.929854][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d003 CR4: 0000000000771ef0
[   20.930033][   T12] PKRU: 55555554
[   20.930129][   T12] Call Trace:
[   20.930217][   T12]  <TASK>
[   20.930280][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.930433][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.930585][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.930710][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.930829][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.930982][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.931110][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.931233][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.931352][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.931472][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.931601][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.931723][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.931845][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.931965][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.932086][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.932206][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.932324][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.932444][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.932570][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.932693][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.932818][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.932942][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.933059][   T12]  kthread (kernel/kthread.c:436)
[   20.933155][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.933302][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.933423][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.933544][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.933698][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.933816][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.933936][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.936566][   T12] ------------[ cut here ]------------
| [   20.936696][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.936932][   T12] Modules linked in: xfrm_user nf_tables
| [   20.937327][   T12] Tainted: [W]=WARN
[   20.937417][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.937570][   T12] Workqueue: netns cleanup_net
[   20.937696][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.937850][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.938280][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   20.938430][   T12] RAX: 00000000ffffffa6 RBX: ff1100001010ee40 RCX: 1ff4000000018ed5
[   20.938609][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001010eefc
[   20.938790][   T12] RBP: ff1100000a3d1000 R08: 1fe2200002021de1 R09: ff11000001aed1d0
[   20.938966][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.939148][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.939326][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.939535][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.939688][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d003 CR4: 0000000000771ef0
[   20.939866][   T12] PKRU: 55555554
[   20.939954][   T12] Call Trace:
[   20.940041][   T12]  <TASK>
[   20.940110][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.940261][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.940409][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.940530][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.940658][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   20.940810][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.940931][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.941051][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.941179][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.941300][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.941421][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.941542][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.941668][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.941789][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.941905][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.942026][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.942148][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.942268][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.942391][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.942514][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.942638][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.942766][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.942884][   T12]  kthread (kernel/kthread.c:436)
[   20.942972][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.943123][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.943242][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.943367][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.943528][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.943647][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.943772][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.987746][   T12] ------------[ cut here ]------------
| [   20.987874][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.988110][   T12] Modules linked in: xfrm_user nf_tables
| [   20.988496][   T12] Tainted: [W]=WARN
[   20.988588][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.988742][   T12] Workqueue: netns cleanup_net
[   20.988862][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.989012][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.989434][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.989589][   T12] RAX: 00000000ffffffa6 RBX: ff1100001010fc40 RCX: 1ff4000000018eed
[   20.989771][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001010fcfc
[   20.989946][   T12] RBP: ff11000009bb4000 R08: 1fe2200002021fa1 R09: ff11000001aed1d0
[   20.990127][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.990305][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.990483][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.990693][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.990841][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d003 CR4: 0000000000771ef0
[   20.991018][   T12] PKRU: 55555554
[   20.991111][   T12] Call Trace:
[   20.991202][   T12]  <TASK>
[   20.991264][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.991415][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.991565][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.991690][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.991807][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.991926][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.992043][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.992172][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.992289][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.992404][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.992527][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.992643][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.992765][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.992888][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.993003][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.993126][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.993255][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.993371][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.993491][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.993616][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.993738][   T12]  kthread (kernel/kthread.c:436)
[   20.993826][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.993970][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.994096][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.994218][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.994362][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.994478][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.994598][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.996722][   T12] ------------[ cut here ]------------
| [   20.996841][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   20.997068][   T12] Modules linked in: xfrm_user nf_tables
| [   20.997455][   T12] Tainted: [W]=WARN
[   20.997544][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.997694][   T12] Workqueue: netns cleanup_net
[   20.997816][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.997968][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   20.998387][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.998539][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d68fe00 RCX: 1ff4000000018eed
[   20.998717][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68febc
[   20.998890][   T12] RBP: ff1100000f9f4000 R08: 1fe2200001ad1fd9 R09: ff11000001aed1d0
[   20.999063][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.999248][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.999422][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   20.999627][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.999778][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d003 CR4: 0000000000771ef0
[   20.999956][   T12] PKRU: 55555554
[   21.000044][   T12] Call Trace:
[   21.000136][   T12]  <TASK>
[   21.000197][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.000350][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.000498][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   21.000618][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   21.000740][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.000855][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   21.000971][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.001094][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.001214][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.001334][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.001455][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.001578][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.001699][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.001817][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.001937][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.002061][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.002187][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.002303][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.002427][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.002558][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.002680][   T12]  kthread (kernel/kthread.c:436)
[   21.002769][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.002914][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.003033][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.003157][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.003302][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.003418][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.003538][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.005638][   T12] ------------[ cut here ]------------
| [   21.005757][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   21.005984][   T12] Modules linked in: xfrm_user nf_tables
| [   21.006372][   T12] Tainted: [W]=WARN
[   21.006460][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.006607][   T12] Workqueue: netns cleanup_net
[   21.006732][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.006882][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.007300][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   21.007446][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dd00040 RCX: 1ff4000000018eed
[   21.007626][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd000fc
[   21.007804][   T12] RBP: ff11000009b64000 R08: 1fe2200001ba0021 R09: ff11000001aed1d0
[   21.007980][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   21.008156][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.008331][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   21.008540][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.008691][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d003 CR4: 0000000000771ef0
[   21.008864][   T12] PKRU: 55555554
[   21.008950][   T12] Call Trace:
[   21.009037][   T12]  <TASK>
[   21.009103][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.009252][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.009395][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   21.009514][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   21.009636][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.009763][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   21.009880][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.009998][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.010123][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.010237][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.010355][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.010471][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.010591][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.010713][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.010828][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.010946][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.011068][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.011189][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.011310][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.011430][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.011547][   T12]  kthread (kernel/kthread.c:436)
[   21.011634][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.011786][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.011903][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.012021][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.012167][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.012283][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.012400][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.014324][   T12] ------------[ cut here ]------------
| [   21.014440][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   21.014861][   T12] Modules linked in: xfrm_user nf_tables
| [   21.015249][   T12] Tainted: [W]=WARN
[   21.015342][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.015486][   T12] Workqueue: netns cleanup_net
[   21.015615][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.015813][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.016237][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   21.016383][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dd00580 RCX: 1ff4000000018eed
[   21.016558][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd0063c
[   21.016780][   T12] RBP: ff11000010024000 R08: 1fe2200001ba00c9 R09: ff11000001aed1d0
[   21.016996][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   21.017177][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.017351][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   21.017556][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.017748][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d003 CR4: 0000000000771ef0
[   21.017922][   T12] PKRU: 55555554
[   21.018010][   T12] Call Trace:
[   21.018101][   T12]  <TASK>
[   21.018162][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.018311][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.018456][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   21.018576][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   21.018736][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.018851][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   21.018966][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.019094][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.019212][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.019329][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.019449][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.019570][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.019732][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.019849][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.019967][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.020097][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.020219][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.020334][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.020457][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.020578][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.020745][   T12]  kthread (kernel/kthread.c:436)
[   21.020832][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.020980][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.021101][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.021218][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.021362][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.021482][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.021605][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.024237][   T12] ------------[ cut here ]------------
| [   21.024369][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   21.024606][   T12] Modules linked in: xfrm_user nf_tables
| [   21.025002][   T12] Tainted: [W]=WARN
[   21.025101][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.025246][   T12] Workqueue: netns cleanup_net
[   21.025374][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.025529][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.025953][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   21.026102][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dd00ac0 RCX: 1ff4000000018eed
[   21.026280][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd00b7c
[   21.026454][   T12] RBP: ff1100000f1ac000 R08: 1fe2200001ba0171 R09: ff11000001aed1d0
[   21.026629][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   21.026811][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.026986][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   21.027196][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.027341][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000e6c1002 CR4: 0000000000771ef0
[   21.027526][   T12] PKRU: 55555554
[   21.027612][   T12] Call Trace:
[   21.027704][   T12]  <TASK>
[   21.027766][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.027915][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.028063][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   21.028187][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   21.028304][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.028431][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   21.028552][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.028675][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.028793][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.028910][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.029029][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.029152][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.029270][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.029388][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.029508][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.029626][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.029767][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.029883][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.030005][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.030130][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.030253][   T12]  kthread (kernel/kthread.c:436)
[   21.030340][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.030484][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.030604][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.030723][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.030867][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.030983][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.031107][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.041625][   T12] ------------[ cut here ]------------
| [   21.041773][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   21.042021][   T12] Modules linked in: xfrm_user nf_tables
| [   21.042431][   T12] Tainted: [W]=WARN
[   21.042527][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.042688][   T12] Workqueue: netns cleanup_net
[   21.042814][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.042973][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.043417][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   21.043576][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dd01000 RCX: 1ff4000000018eaf
[   21.043765][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd010bc
[   21.043946][   T12] RBP: ff1100000a291000 R08: 1fe2200001ba0219 R09: ff11000001aed1d0
[   21.044135][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   21.044323][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000090b1000
[   21.044509][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   21.044726][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.044879][   T12] CR2: 00007f4cd72de680 CR3: 000000004994d003 CR4: 0000000000771ef0
[   21.045062][   T12] PKRU: 55555554
[   21.045162][   T12] Call Trace:
[   21.045253][   T12]  <TASK>
[   21.045316][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.045440][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.045538][   T12]  netif_close_many (net/core/dev.c:1804)
[   21.045715][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.045837][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.045957][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.046084][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   21.046209][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   21.046363][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   21.046517][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.046639][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.046858][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.046979][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.047106][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.047263][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   21.047388][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.047515][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   21.047636][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.047838][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   21.047961][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.048088][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.048210][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.048335][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.048457][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.048581][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.048773][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.048894][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.049017][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.049148][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.049271][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.049399][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.049528][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.049649][   T12]  kthread (kernel/kthread.c:436)
[   21.049917][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.050088][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.050211][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.050335][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.050486][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.050612][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.050809][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.053568][   T12] ------------[ cut here ]------------
| [   21.053743][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   21.054031][   T12] Modules linked in: xfrm_user nf_tables
| [   21.054551][   T12] Tainted: [W]=WARN
[   21.054704][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.054905][   T12] Workqueue: netns cleanup_net
[   21.055087][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.055293][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.055826][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   21.056029][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cbfe900 RCX: 1ff4000000018eaf
[   21.056265][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cbfe9bc
[   21.056493][   T12] RBP: ff110000090b1000 R08: 1fe220000197fd39 R09: ff11000001aed1d0
[   21.056749][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   21.056978][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a8f1000
[   21.057220][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   21.057480][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.057700][   T12] CR2: 000055d401a04bd8 CR3: 000000004994d005 CR4: 0000000000771ef0
[   21.057941][   T12] PKRU: 55555554
[   21.058086][   T12] Call Trace:
[   21.058225][   T12]  <TASK>
[   21.058336][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.058510][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.058697][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.058844][   T12]  netif_close_many (net/core/dev.c:1804)
[   21.059018][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.059194][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.059363][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.059535][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   21.059721][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   21.059923][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   21.060134][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.060310][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.060514][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.060700][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.060870][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.061096][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   21.061271][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.061445][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   21.061626][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.061810][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   21.061981][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.062162][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.062334][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.062513][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.062700][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.062870][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.063046][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.063224][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.063396][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.063579][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.063761][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.063936][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.064119][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.064291][   T12]  kthread (kernel/kthread.c:436)
[   21.064431][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.064642][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.064828][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.065000][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.065209][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.065380][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.065559][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.068264][   T12] ------------[ cut here ]------------
| [   21.068434][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   21.068744][   T12] Modules linked in: xfrm_user nf_tables
| [   21.069247][   T12] Tainted: [W]=WARN
[   21.069386][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.069590][   T12] Workqueue: netns cleanup_net
[   21.069782][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.069991][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.070480][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   21.070698][   T12] RAX: 00000000ffffffa6 RBX: ff11000005ed8e40 RCX: 1ff4000000018eaf
[   21.070929][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005ed8efc
[   21.071166][   T12] RBP: ff1100000a8f1000 R08: 1fe2200000bdb1e1 R09: ff11000001aed1d0
[   21.071398][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   21.071634][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   21.071880][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   21.072146][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.072359][   T12] CR2: 000055d401a04bd8 CR3: 000000004994d005 CR4: 0000000000771ef0
[   21.072597][   T12] PKRU: 55555554
[   21.072747][   T12] Call Trace:
[   21.072886][   T12]  <TASK>
[   21.072996][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.073180][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.073353][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.073495][   T12]  netif_close_many (net/core/dev.c:1804)
[   21.073685][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.073857][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.074026][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.074205][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   21.074408][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   21.074617][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   21.074828][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.075028][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.075236][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.075409][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.075584][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.075801][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   21.075973][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.076151][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   21.076322][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.076491][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   21.076686][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.076861][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.077033][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.077244][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.077414][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.077589][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.077773][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.077941][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.078120][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.078295][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.078468][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.078662][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.078838][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.079007][   T12]  kthread (kernel/kthread.c:436)
[   21.079155][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.079356][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.079529][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.079719][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.079919][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.080094][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.080264][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.082887][   T12] ------------[ cut here ]------------
| [   21.083048][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   21.083336][   T12] Modules linked in: xfrm_user nf_tables
| [   21.084413][   T12] Tainted: [W]=WARN
[   21.084602][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.084860][   T12] Workqueue: netns cleanup_net
[   21.085087][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.085334][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.085870][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   21.086119][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f364c80 RCX: 1ff4000000018ed5
[   21.086390][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f364d3c
[   21.086689][   T12] RBP: ff1100000a291000 R08: 1fe2200001e6c9a9 R09: ff11000001aed1d0
[   21.086956][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   21.087233][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.087503][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   21.087821][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.088063][   T12] CR2: 000055d401a04bd8 CR3: 000000004994d005 CR4: 0000000000771ef0
[   21.088339][   T12] PKRU: 55555554
[   21.088526][   T12] Call Trace:
[   21.088720][   T12]  <TASK>
[   21.088875][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.089129][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.089402][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.089625][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.089847][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.090098][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.090312][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   21.090532][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.090758][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   21.091006][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.091226][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.091438][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.091686][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.091927][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.092270][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.092586][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.092790][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.092958][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.093139][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.093380][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.093673][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.093846][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.094013][   T12]  kthread (kernel/kthread.c:436)
[   21.094159][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.094426][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.094603][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.094856][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.095051][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.095336][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.095506][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.100027][   T12] ------------[ cut here ]------------
| [   21.100202][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   21.100486][   T12] Modules linked in: xfrm_user nf_tables
| [   21.100988][   T12] Tainted: [W]=WARN
[   21.101142][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.101343][   T12] Workqueue: netns cleanup_net
[   21.101518][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.101795][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.102320][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   21.102566][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f3658c0 RCX: 1ff4000000018ed5
[   21.102846][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f36597c
[   21.103119][   T12] RBP: ff110000090b1000 R08: 1fe2200001e6cb31 R09: ff11000001aed1d0
[   21.103457][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   21.103747][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.104026][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   21.104334][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.104577][   T12] CR2: 000055d401a04bd8 CR3: 000000004994d005 CR4: 0000000000771ef0
[   21.104861][   T12] PKRU: 55555554
[   21.105041][   T12] Call Trace:
[   21.105225][   T12]  <TASK>
[   21.105377][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.105628][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.105878][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.106097][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.106307][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.106561][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.106790][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   21.107001][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.107223][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   21.107434][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.107687][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.107895][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.108119][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.108336][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.108556][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.108783][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.108994][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.109219][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.109436][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.109670][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.109887][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.110151][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.110409][   T12]  kthread (kernel/kthread.c:436)
[   21.110669][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.110956][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.111195][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.111360][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.111562][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.111743][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.111911][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.122456][   T12] ------------[ cut here ]------------
| [   21.122627][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   21.122921][   T12] Modules linked in: xfrm_user nf_tables
| [   21.123411][   T12] Tainted: [W]=WARN
[   21.123554][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.124602][   T12] Workqueue: netns cleanup_net
[   21.124837][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.125095][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.125620][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   21.125872][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d696ac0 RCX: 1ff4000000018ed5
[   21.126178][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d696b7c
[   21.126429][   T12] RBP: ff1100000a8f1000 R08: 1fe2200001ad2d71 R09: ff11000001aed1d0
[   21.126672][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   21.126907][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.127143][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   21.127397][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.127602][   T12] CR2: 000055d401a04bd8 CR3: 000000004994d005 CR4: 0000000000771ef0
[   21.127845][   T12] PKRU: 55555554
[   21.127981][   T12] Call Trace:
[   21.128126][   T12]  <TASK>
[   21.128235][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.128439][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.128640][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.128821][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.128987][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.129200][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.129370][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   21.129543][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.129728][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   21.129926][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.130101][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.130266][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.130439][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.130613][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.130791][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.130960][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.131136][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.131305][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.131477][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.131665][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.131837][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.132009][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.132183][   T12]  kthread (kernel/kthread.c:436)
[   21.132320][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.132517][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.132699][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.132900][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.133102][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.133268][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.133436][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.175915][   T12] ------------[ cut here ]------------
| [   21.176092][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   21.176374][   T12] Modules linked in: xfrm_user nf_tables
| [   21.176879][   T12] Tainted: [W]=WARN
[   21.177014][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.177215][   T12] Workqueue: netns cleanup_net
[   21.177386][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.177593][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.178078][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   21.178274][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d6978c0 RCX: 1ff4000000018eed
[   21.178496][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d69797c
[   21.178739][   T12] RBP: ff1100000ff79000 R08: 1fe2200001ad2f31 R09: ff11000001aed1d0
[   21.178961][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   21.179189][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.179412][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   21.179684][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.179879][   T12] CR2: 000055d401a11fe8 CR3: 00000000108dd003 CR4: 0000000000771ef0
[   21.180108][   T12] PKRU: 55555554
[   21.180242][   T12] Call Trace:
[   21.180375][   T12]  <TASK>
[   21.180486][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.180706][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.180899][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   21.181066][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   21.181240][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.181406][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   21.181581][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.181763][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.181934][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.182105][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.182273][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.182441][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.182613][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.182794][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.182961][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.183138][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.183311][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.183478][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.183671][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.183841][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.184007][   T12]  kthread (kernel/kthread.c:436)
[   21.184150][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.184349][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.184519][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.184701][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.184897][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.185063][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.185237][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.187931][   T12] ------------[ cut here ]------------
| [   21.188098][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   21.188379][   T12] Modules linked in: xfrm_user nf_tables
| [   21.189046][   T12] Tainted: [W]=WARN
[   21.189185][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.189378][   T12] Workqueue: netns cleanup_net
[   21.189554][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.189763][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.190242][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   21.190437][   T12] RAX: 00000000ffffffa6 RBX: ff11000005ed8200 RCX: 1ff4000000018eed
[   21.190678][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005ed82bc
[   21.190900][   T12] RBP: ff1100000ffe4000 R08: 1fe2200000bdb059 R09: ff11000001aed1d0
[   21.191133][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   21.191355][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.191586][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   21.191847][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.192043][   T12] CR2: 000055d401a11fe8 CR3: 000000004994d005 CR4: 0000000000771ef0
[   21.192275][   T12] PKRU: 55555554
[   21.192409][   T12] Call Trace:
[   21.192549][   T12]  <TASK>
[   21.192670][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.192869][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.193066][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   21.193241][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   21.193410][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.193583][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   21.193759][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.193929][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.194103][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.194265][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.194434][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.194610][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.194789][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.194955][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.195127][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.195295][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.195465][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.195643][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.195828][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.195998][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.196176][   T12]  kthread (kernel/kthread.c:436)
[   21.196314][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.196512][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.196696][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.196867][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.197061][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.197234][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.197435][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.200090][   T12] ------------[ cut here ]------------
| [   21.200249][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   21.200529][   T12] Modules linked in: xfrm_user nf_tables
| [   21.201387][   T12] Tainted: [W]=WARN
[   21.201573][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.201828][   T12] Workqueue: netns cleanup_net
[   21.202044][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.202298][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.202835][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   21.203094][   T12] RAX: 00000000ffffffa6 RBX: ff110000122fc900 RCX: 1ff4000000018eed
[   21.203362][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000122fc9bc
[   21.203637][   T12] RBP: ff1100000e451000 R08: 1fe220000245f939 R09: ff11000001aed1d0
[   21.203921][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   21.204194][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.204463][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   21.204780][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.205026][   T12] CR2: 000055d401a11fe8 CR3: 000000004994d005 CR4: 0000000000771ef0
[   21.205308][   T12] PKRU: 55555554
[   21.205489][   T12] Call Trace:
[   21.205688][   T12]  <TASK>
[   21.205842][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.206095][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.206338][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   21.206560][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   21.206788][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.206999][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   21.207219][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.207464][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.207701][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.207912][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.208171][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.208441][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.208758][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.209019][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.209286][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.209552][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.209825][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.210091][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.210343][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.210547][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.210726][   T12]  kthread (kernel/kthread.c:436)
[   21.210863][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.211059][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.211233][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.211409][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.211612][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.211791][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.211958][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.214410][   T12] ------------[ cut here ]------------
| [   21.214610][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   21.215352][   T12] Modules linked in: xfrm_user nf_tables
| [   21.215953][   T12] Tainted: [W]=WARN
[   21.216140][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.216379][   T12] Workqueue: netns cleanup_net
[   21.216613][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.216872][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.217394][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   21.217643][   T12] RAX: 00000000ffffffa6 RBX: ff110000122fcc80 RCX: 1ff4000000018eed
[   21.217923][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000122fcd3c
[   21.218200][   T12] RBP: ff1100000e581000 R08: 1fe220000245f9a9 R09: ff11000001aed1d0
[   21.218468][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   21.218755][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.219025][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   21.219332][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.219576][   T12] CR2: 000055d401a11fe8 CR3: 000000004994d005 CR4: 0000000000771ef0
[   21.219861][   T12] PKRU: 55555554
[   21.220039][   T12] Call Trace:
[   21.220224][   T12]  <TASK>
[   21.220422][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.220733][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.221025][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   21.221285][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   21.221550][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.221817][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   21.222035][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.222208][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.222379][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.222579][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.222761][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.222928][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.223096][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.223262][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.223427][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.223603][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.223792][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.223958][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.224137][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.224307][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.224471][   T12]  kthread (kernel/kthread.c:436)
[   21.224612][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.224818][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.224986][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.225164][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.225357][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.225526][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.225703][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.228105][   T12] ------------[ cut here ]------------
| [   21.228266][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   21.228546][   T12] Modules linked in: xfrm_user nf_tables
| [   21.229669][   T12] Tainted: [W]=WARN
[   21.229850][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.230101][   T12] Workqueue: netns cleanup_net
[   21.230321][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.230571][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.231106][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   21.231348][   T12] RAX: 00000000ffffffa6 RBX: ff110000122fd000 RCX: 1ff4000000018eed
[   21.231623][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000122fd0bc
[   21.231905][   T12] RBP: ff1100000e5e1000 R08: 1fe220000245fa19 R09: ff11000001aed1d0
[   21.232177][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   21.232446][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.232733][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   21.233031][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.233281][   T12] CR2: 000055d401a11fe8 CR3: 000000004994d005 CR4: 0000000000771ef0
[   21.233558][   T12] PKRU: 55555554
[   21.233753][   T12] Call Trace:
[   21.233930][   T12]  <TASK>
[   21.234091][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.234338][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.234576][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   21.234802][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   21.235012][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.235232][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   21.235447][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.235679][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.235894][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.236109][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.236325][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.236546][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.236755][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.236920][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.237093][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.237260][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.237430][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.237604][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.237792][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.237961][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.238136][   T12]  kthread (kernel/kthread.c:436)
[   21.238273][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.238465][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.238639][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.238818][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.239016][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.239192][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.239362][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.254456][   T12] ------------[ cut here ]------------
| [   21.254631][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   21.254944][   T12] Modules linked in: xfrm_user nf_tables
| [   21.255457][   T12] Tainted: [W]=WARN
[   21.255606][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.255825][   T12] Workqueue: netns cleanup_net
[   21.256002][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.256214][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.256721][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   21.256925][   T12] RAX: 00000000ffffffa6 RBX: ff110000122fd1c0 RCX: 1ff4000000018eaf
[   21.257194][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000122fd27c
[   21.257430][   T12] RBP: ff1100000ea31000 R08: 1fe220000245fa51 R09: ff11000001aed1d0
[   21.257682][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   21.257943][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f2b4000
[   21.258180][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   21.258446][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.258668][   T12] CR2: 000055d401a11fe8 CR3: 000000004994d005 CR4: 0000000000771ef0
[   21.258899][   T12] PKRU: 55555554
[   21.259038][   T12] Call Trace:
[   21.259194][   T12]  <TASK>
[   21.259305][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.259482][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.259630][   T12]  netif_close_many (net/core/dev.c:1804)
[   21.259817][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.259986][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.260167][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.260340][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   21.260527][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   21.260749][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   21.260955][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.261137][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.261336][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.261509][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.261699][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.261904][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   21.262088][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.262273][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   21.262447][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.262625][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   21.262812][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.262986][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.263165][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.263341][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.263517][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.263703][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.263877][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.264049][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.264234][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.264409][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.264589][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.264778][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.264955][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.265137][   T12]  kthread (kernel/kthread.c:436)
[   21.265309][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.265515][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.265703][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.265879][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.266087][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.266261][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.266432][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.269124][   T12] ------------[ cut here ]------------
| [   21.269291][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   21.269588][   T12] Modules linked in: xfrm_user nf_tables
| [   21.270639][   T12] Tainted: [W]=WARN
[   21.270841][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.271117][   T12] Workqueue: netns cleanup_net
[   21.271346][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.271644][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.272262][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   21.272544][   T12] RAX: 00000000ffffffa6 RBX: ff11000010843a80 RCX: 1ff4000000018eaf
[   21.272835][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010843b3c
[   21.273150][   T12] RBP: ff1100000f2b4000 R08: 1fe2200002108769 R09: ff11000001aed1d0
[   21.273444][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   21.273764][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008f39000
[   21.274065][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   21.274388][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.274686][   T12] CR2: 000055d401a11fe8 CR3: 000000004994d005 CR4: 0000000000771ef0
[   21.274965][   T12] PKRU: 55555554
[   21.275110][   T12] Call Trace:
[   21.275250][   T12]  <TASK>
[   21.275361][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.275534][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.275720][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.275870][   T12]  netif_close_many (net/core/dev.c:1804)
[   21.276040][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.276216][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.276385][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.276563][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   21.276751][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   21.276955][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   21.277168][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.277338][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.277544][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.277729][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.277900][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.278109][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   21.278284][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.278462][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   21.278641][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.278827][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   21.278999][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.279178][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.279350][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.279529][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.279720][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.279893][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.280067][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.280247][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.280449][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.280628][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.280811][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.280987][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.281173][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.281348][   T12]  kthread (kernel/kthread.c:436)
[   21.281488][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.281707][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.281879][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.282050][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.282259][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.282432][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.282611][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.285304][   T12] ------------[ cut here ]------------
| [   21.285471][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   21.286231][   T12] Modules linked in: xfrm_user nf_tables
| [   21.286857][   T12] Tainted: [W]=WARN
[   21.287046][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.287304][   T12] Workqueue: netns cleanup_net
[   21.287539][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.287811][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.288354][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   21.288643][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d059540 RCX: 1ff4000000018eaf
[   21.288935][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0595fc
[   21.289250][   T12] RBP: ff11000008f39000 R08: 1fe2200001a0b2c1 R09: ff11000001aed1d0
[   21.289535][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   21.289831][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   21.290120][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   21.290430][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.290703][   T12] CR2: 000055d401a11fe8 CR3: 000000004994d005 CR4: 0000000000771ef0
[   21.290988][   T12] PKRU: 55555554
[   21.291183][   T12] Call Trace:
[   21.291372][   T12]  <TASK>
[   21.291543][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.291781][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.292003][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.292346][   T12]  netif_close_many (net/core/dev.c:1804)
[   21.292599][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.292883][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.293050][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.293230][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   21.293405][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   21.293617][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   21.293829][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.294001][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.294210][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.294388][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.294565][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.294781][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   21.294956][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.295168][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   21.295342][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.295522][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   21.295705][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.295879][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.296048][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.296229][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.296403][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.296583][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.296771][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.296942][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.297121][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.297296][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.297467][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.297663][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.297839][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.298013][   T12]  kthread (kernel/kthread.c:436)
[   21.298163][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.298395][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.298575][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.298762][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.298964][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.299142][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.299318][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.301979][   T12] ------------[ cut here ]------------
| [   21.302151][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   21.302427][   T12] Modules linked in: xfrm_user nf_tables
| [   21.303406][   T12] Tainted: [W]=WARN
[   21.303604][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.303859][   T12] Workqueue: netns cleanup_net
[   21.304085][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.304335][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.304869][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   21.305119][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b450740 RCX: 1ff4000000018ed5
[   21.305392][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b4507fc
[   21.305680][   T12] RBP: ff1100000ea31000 R08: 1fe220000168a101 R09: ff11000001aed1d0
[   21.305948][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   21.306222][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.306496][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   21.306811][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.307049][   T12] CR2: 000055d401a11fe8 CR3: 000000004994d005 CR4: 0000000000771ef0
[   21.307329][   T12] PKRU: 55555554
[   21.307514][   T12] Call Trace:
[   21.307710][   T12]  <TASK>
[   21.307865][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.308121][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.308360][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.308575][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.308800][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.309048][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.309271][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   21.309484][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.309714][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   21.309929][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.310150][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.310467][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.310751][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.310991][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.311164][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.311336][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.311504][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.311691][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.311861][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.312027][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.312209][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.312381][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.312552][   T12]  kthread (kernel/kthread.c:436)
[   21.312702][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.312900][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.313067][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.313242][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.313439][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.313611][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.313791][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.316619][   T12] ------------[ cut here ]------------
| [   21.317305][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   21.317743][   T12] Modules linked in: xfrm_user nf_tables
| [   21.318144][   T12] Tainted: [W]=WARN
[   21.318237][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.318386][   T12] Workqueue: netns cleanup_net
[   21.318513][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.318768][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.319204][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   21.319353][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b451380 RCX: 1ff4000000018ed5
[   21.319533][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b45143c
[   21.319804][   T12] RBP: ff1100000f2b4000 R08: 1fe220000168a289 R09: ff11000001aed1d0
[   21.319985][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   21.320172][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.320353][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   21.320565][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.320808][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d004 CR4: 0000000000771ef0
[   21.320990][   T12] PKRU: 55555554
[   21.321084][   T12] Call Trace:
[   21.321176][   T12]  <TASK>
[   21.321239][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.321392][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.321544][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.321752][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.321872][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.322031][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.322159][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   21.322280][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.322400][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   21.322524][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.322646][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.322859][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.322983][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.323107][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.323226][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.323346][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.323465][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.323590][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.323794][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.323920][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.324044][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.324173][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.324293][   T12]  kthread (kernel/kthread.c:436)
[   21.324385][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.324539][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.324717][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.324839][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.324991][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.325114][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.325235][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.329717][   T12] ------------[ cut here ]------------
| [   21.329849][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   21.330094][   T12] Modules linked in: xfrm_user nf_tables
| [   21.330488][   T12] Tainted: [W]=WARN
[   21.330581][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.330878][   T12] Workqueue: netns cleanup_net
[   21.331002][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.331163][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.331642][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   21.331840][   T12] RAX: 00000000ffffffa6 RBX: ff11000010842c80 RCX: 1ff4000000018ed5
[   21.332016][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010842d3c
[   21.332198][   T12] RBP: ff11000008f39000 R08: 1fe22000021085a9 R09: ff11000001aed1d0
[   21.332375][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   21.332559][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.332783][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   21.332989][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.333143][   T12] CR2: 00007f59e615d574 CR3: 000000004994d001 CR4: 0000000000771ef0
[   21.333321][   T12] PKRU: 55555554
[   21.333409][   T12] Call Trace:
[   21.333505][   T12]  <TASK>
[   21.333573][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.333775][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.333921][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.334040][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.334164][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   21.334317][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.334437][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   21.334560][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.334729][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   21.334849][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.334969][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.335091][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.335213][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.335332][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.335451][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.335573][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.335738][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.335858][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.335984][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.336109][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.336233][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.336356][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.336477][   T12]  kthread (kernel/kthread.c:436)
[   21.336570][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.336744][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.336863][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.336986][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.337141][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.337260][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.337379][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.370258][   T12] ------------[ cut here ]------------
| [   21.370394][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   21.370636][   T12] Modules linked in: xfrm_user nf_tables
| [   21.371036][   T12] Tainted: [W]=WARN
[   21.371129][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.371276][   T12] Workqueue: netns cleanup_net
[   21.371401][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.371560][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.371984][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   21.372136][   T12] RAX: 00000000ffffffa6 RBX: ff11000010842900 RCX: 1ff4000000018eed
[   21.372315][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000108429bc
[   21.372488][   T12] RBP: ff1100000fb61000 R08: 1fe2200002108539 R09: ff11000001aed1d0
[   21.372681][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   21.372854][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.373029][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   21.373238][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.373383][   T12] CR2: 000055d3d5b67ae8 CR3: 000000004994d001 CR4: 0000000000771ef0
[   21.373560][   T12] PKRU: 55555554
[   21.373647][   T12] Call Trace:
[   21.373741][   T12]  <TASK>
[   21.373802][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.373953][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.374100][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   21.374217][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   21.374335][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.374451][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   21.374569][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.374695][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.374815][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.374929][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.375048][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.375170][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.375284][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.375402][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.375520][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.375637][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.375784][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.375900][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.376021][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.376147][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.376263][   T12]  kthread (kernel/kthread.c:436)
[   21.376351][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.376494][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.376615][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.376738][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.376883][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.376999][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.377121][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.380041][   T12] ------------[ cut here ]------------
| [   21.380173][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   21.380400][   T12] Modules linked in: xfrm_user nf_tables
| [   21.381271][   T12] Tainted: [W]=WARN
[   21.381362][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.381513][   T12] Workqueue: netns cleanup_net
[   21.381645][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.381820][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.382249][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   21.382444][   T12] RAX: 00000000ffffffa6 RBX: ff11000010843e00 RCX: 1ff4000000018eed
[   21.382641][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010843ebc
[   21.382831][   T12] RBP: ff1100000de84000 R08: 1fe22000021087d9 R09: ff11000001aed1d0
[   21.383010][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   21.383190][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.383364][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   21.383574][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.383724][   T12] CR2: 000055d3d5b67ae8 CR3: 000000004994d001 CR4: 0000000000771ef0
[   21.383899][   T12] PKRU: 55555554
[   21.383987][   T12] Call Trace:
[   21.384081][   T12]  <TASK>
[   21.384143][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.384293][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.384440][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   21.384561][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   21.384686][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.384802][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   21.384919][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.385038][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.385169][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.385285][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.385405][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.385525][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.385641][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.385766][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.385882][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.386001][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.386129][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.386247][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.386368][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.386491][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.386611][   T12]  kthread (kernel/kthread.c:436)
[   21.386704][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.386850][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.386966][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.387085][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.387232][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.387352][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.387469][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.389720][   T12] ------------[ cut here ]------------
| [   21.389837][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   21.390067][   T12] Modules linked in: xfrm_user nf_tables
| [   21.390466][   T12] Tainted: [W]=WARN
[   21.390557][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.390936][   T12] Workqueue: netns cleanup_net
[   21.391059][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.391217][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.391635][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   21.391828][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ce10ac0 RCX: 1ff4000000018eed
[   21.392002][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce10b7c
[   21.392183][   T12] RBP: ff1100000de61000 R08: 1fe22000019c2171 R09: ff11000001aed1d0
[   21.392361][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   21.392542][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.392762][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   21.392967][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.393163][   T12] CR2: 000055d3d5b67ae8 CR3: 000000004994d001 CR4: 0000000000771ef0
[   21.393345][   T12] PKRU: 55555554
[   21.393432][   T12] Call Trace:
[   21.393523][   T12]  <TASK>
[   21.393585][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.393782][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.393927][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   21.394045][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   21.394172][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.394288][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   21.394405][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.394527][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.394647][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.394811][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.394932][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.395055][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.395178][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.395301][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.395419][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.395543][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.395709][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.395826][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.395948][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.396070][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.396194][   T12]  kthread (kernel/kthread.c:436)
[   21.396282][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.396434][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.396556][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.396719][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.396865][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.396983][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.397105][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.400267][   T12] ------------[ cut here ]------------
| [   21.400400][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   21.400647][   T12] Modules linked in: xfrm_user nf_tables
| [   21.401051][   T12] Tainted: [W]=WARN
[   21.401145][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.401294][   T12] Workqueue: netns cleanup_net
[   21.401416][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.401573][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.402000][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   21.402156][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ce10e40 RCX: 1ff4000000018eed
[   21.402331][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce10efc
[   21.402511][   T12] RBP: ff1100000f0b9000 R08: 1fe22000019c21e1 R09: ff11000001aed1d0
[   21.402694][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   21.402870][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.403047][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   21.403258][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.403406][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d004 CR4: 0000000000771ef0
[   21.403588][   T12] PKRU: 55555554
[   21.403684][   T12] Call Trace:
[   21.403777][   T12]  <TASK>
[   21.403838][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.403991][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.404142][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   21.404262][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   21.404382][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.404501][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   21.404629][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.404753][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.404875][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.404995][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.405122][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.405240][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.405363][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.405487][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.405608][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.405734][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.405855][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.405973][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.406101][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.406225][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.406344][   T12]  kthread (kernel/kthread.c:436)
[   21.406433][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.406586][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.406711][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.406830][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.406977][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.407102][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.407231][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.409215][   T12] ------------[ cut here ]------------
| [   21.409332][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   21.409568][   T12] Modules linked in: xfrm_user nf_tables
| [   21.409960][   T12] Tainted: [W]=WARN
[   21.410049][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.410199][   T12] Workqueue: netns cleanup_net
[   21.410321][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.410474][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.410899][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   21.411047][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda8ac0 RCX: 1ff4000000018eed
[   21.411226][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda8b7c
[   21.411401][   T12] RBP: ff11000009031000 R08: 1fe2200001bb5171 R09: ff11000001aed1d0
[   21.411579][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   21.411764][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.411947][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   21.412156][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.412304][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d004 CR4: 0000000000771ef0
[   21.412482][   T12] PKRU: 55555554
[   21.412570][   T12] Call Trace:
[   21.412664][   T12]  <TASK>
[   21.412727][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.412883][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.413028][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   21.413155][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   21.413273][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.413389][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   21.413514][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.413636][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   21.413763][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.413880][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.413999][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.414124][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.414241][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.414360][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.414476][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.414599][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.414725][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.414842][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.414964][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.415089][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.415206][   T12]  kthread (kernel/kthread.c:436)
[   21.415294][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.415442][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.415564][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.415689][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.415835][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.415953][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.416075][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.428676][   T12] ------------[ cut here ]------------
| [   21.428811][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   21.429056][   T12] Modules linked in: xfrm_user nf_tables
| [   21.429472][   T12] Tainted: [W]=WARN
[   21.429569][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.429732][   T12] Workqueue: netns cleanup_net
[   21.429860][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.430023][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.430468][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   21.430627][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda8200 RCX: 1ff4000000018eaf
[   21.430818][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda82bc
[   21.431003][   T12] RBP: ff110000087cc000 R08: 1fe2200001bb5059 R09: ff11000001aed1d0
[   21.431194][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   21.431383][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   21.431576][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   21.431799][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.431953][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d004 CR4: 0000000000771ef0
[   21.432144][   T12] PKRU: 55555554
[   21.432238][   T12] Call Trace:
[   21.432329][   T12]  <TASK>
[   21.432394][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.432523][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.432618][   T12]  netif_close_many (net/core/dev.c:1804)
[   21.432801][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.432973][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.433105][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.433229][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   21.433354][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   21.433512][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   21.433725][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   21.433850][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   21.433972][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   21.434103][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.434262][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.434389][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.434518][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   21.434643][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.434822][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   21.434946][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.435109][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.435234][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.435361][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.435487][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.435615][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.435795][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.435917][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.436042][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.436176][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.436299][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.436427][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.436558][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.436733][   T12]  kthread (kernel/kthread.c:436)
[   21.436826][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.436993][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.437121][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.437245][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.437401][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.437529][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.437704][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.440660][   T12] ------------[ cut here ]------------
| [   21.440781][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   21.441014][   T12] Modules linked in: xfrm_user nf_tables
| [   21.441412][   T12] Tainted: [W]=WARN
[   21.441503][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.441659][   T12] Workqueue: netns cleanup_net
[   21.441793][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.441948][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   21.442393][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   21.442544][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cbff540 RCX: 1ff4000000018ed5
[   21.442726][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cbff5fc
[   21.442901][   T12] RBP: ff110000087cc000 R08: 1fe220000197fec1 R09: ff11000001aed1d0
[   21.443084][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   21.443260][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   21.443452][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   21.443672][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.443821][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d004 CR4: 0000000000771ef0
[   21.444000][   T12] PKRU: 55555554
[   21.444095][   T12] Call Trace:
[   21.444184][   T12]  <TASK>
[   21.444247][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   21.444398][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   21.444552][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.444681][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   21.444802][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   21.444924][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   21.445046][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   21.445170][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   21.445291][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   21.445410][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.445534][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   21.445659][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   21.445777][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   21.445897][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.446015][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.446141][   T12]  process_one_work (kernel/workqueue.c:3314)
[   21.446263][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   21.446382][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.446508][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   21.446632][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   21.446805][   T12]  kthread (kernel/kthread.c:436)
[   21.446940][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   21.447139][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.447260][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   21.447380][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   21.447532][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   21.447700][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   21.447823][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   21.481543][  T524] ------------[ cut here ]------------
| [   21.481698][  T524] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/524
| [   21.481924][  T524] Modules linked in: xfrm_user nf_tables
| [   21.482332][  T524] Tainted: [W]=WARN
[   21.482431][  T524] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.482598][  T524] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.482776][  T524] 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
[   21.483250][  T524] RSP: 0018:ffa0000000677a80 EFLAGS: 00010286
[   21.483411][  T524] RAX: 00000000ffffffa6 RBX: ff1100000be31380 RCX: 1ff40000000cef16
[   21.483607][  T524] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be3143c
[   21.483804][  T524] RBP: ff11000007c99000 R08: 1fe22000017c6289 R09: ff110000100a8b80
[   21.483999][  T524] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   21.484198][  T524] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007c99000
[   21.484391][  T524] FS:  00007ff5c549f840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   21.484620][  T524] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.484792][  T524] CR2: 00007ff5c56a6430 CR3: 0000000010917005 CR4: 0000000000771ef0
[   21.484985][  T524] PKRU: 55555554
[   21.485087][  T524] Call Trace:
[   21.485186][  T524]  <TASK>
[   21.485254][  T524]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.485382][  T524]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.485515][  T524]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.485613][  T524]  register_netdevice (net/core/dev.c:11488)
[   21.485749][  T524]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   21.485909][  T524]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   21.486039][  T524]  register_netdev (net/core/dev.c:11552)
[   21.486173][  T524]  loopback_net_init (drivers/net/loopback.c:218)
[   21.486303][  T524]  ops_init (net/core/net_namespace.c:137)
[   21.486402][  T524]  setup_net (net/core/net_namespace.c:446)
[   21.486500][  T524]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   21.486631][  T524]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   21.486767][  T524]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   21.486899][  T524]  copy_net_ns (net/core/net_namespace.c:579)
[   21.487030][  T524]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.487169][  T524]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.487299][  T524]  ksys_unshare (kernel/fork.c:3243)
[   21.487429][  T524]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   21.487566][  T524]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   21.487698][  T524]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   21.487831][  T524]  ? __ia32_sys_open (fs/open.c:1374)
[   21.487962][  T524]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.488098][  T524]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   21.488227][  T524]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.488357][  T524]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.488487][  T524]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.488622][  T524]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.488788][  T524] RIP: 0033:0x7ff5c5761bcb
[   21.488926][  T524] 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
[   21.489395][  T524] RSP: 002b:00007fff8f703048 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   21.489597][  T524] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff5c5761bcb
[   21.489795][  T524] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.489989][  T524] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.490186][  T524] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff8f705270
[   21.490382][  T524] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff8f705888
| [   21.494704][  T524] ------------[ cut here ]------------
| [   21.494838][  T524] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/524
| [   21.495064][  T524] Modules linked in: xfrm_user nf_tables
| [   21.495464][  T524] Tainted: [W]=WARN
[   21.495565][  T524] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.495732][  T524] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.495898][  T524] 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
[   21.496364][  T524] RSP: 0018:ffa0000000677918 EFLAGS: 00010286
[   21.496532][  T524] RAX: 00000000ffffffa6 RBX: ff1100000dded380 RCX: 1ff40000000ceee9
[   21.496730][  T524] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dded43c
[   21.496937][  T524] RBP: ff1100000e941000 R08: 1fe2200001bbda89 R09: ff110000100a8b80
[   21.497137][  T524] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   21.497331][  T524] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e941000
[   21.497530][  T524] FS:  00007ff5c549f840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   21.497764][  T524] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.497927][  T524] CR2: 00007ff5c56a6430 CR3: 0000000010917005 CR4: 0000000000771ef0
[   21.498129][  T524] PKRU: 55555554
[   21.498227][  T524] Call Trace:
[   21.498323][  T524]  <TASK>
[   21.498391][  T524]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.498526][  T524]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.498661][  T524]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.498761][  T524]  register_netdevice (net/core/dev.c:11488)
[   21.498892][  T524]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   21.499053][  T524]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   21.499191][  T524]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   21.499321][  T524]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   21.499453][  T524]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   21.499586][  T524]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   21.499721][  T524]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   21.499852][  T524]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   21.499984][  T524]  ops_init (net/core/net_namespace.c:137)
[   21.500087][  T524]  setup_net (net/core/net_namespace.c:446)
[   21.500185][  T524]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   21.500316][  T524]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   21.500446][  T524]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   21.500580][  T524]  copy_net_ns (net/core/net_namespace.c:579)
[   21.500716][  T524]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.500849][  T524]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.500979][  T524]  ksys_unshare (kernel/fork.c:3243)
[   21.501113][  T524]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   21.501245][  T524]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   21.501375][  T524]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   21.501509][  T524]  ? __ia32_sys_open (fs/open.c:1374)
[   21.501640][  T524]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.501774][  T524]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   21.501903][  T524]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.502031][  T524]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.502166][  T524]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.502296][  T524]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.502458][  T524] RIP: 0033:0x7ff5c5761bcb
[   21.502596][  T524] 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
[   21.503061][  T524] RSP: 002b:00007fff8f703048 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   21.503265][  T524] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff5c5761bcb
[   21.503460][  T524] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.503662][  T524] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.503856][  T524] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff8f705270
[   21.504050][  T524] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff8f705888
| [   21.507881][  T524] ------------[ cut here ]------------
| [   21.508018][  T524] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/524
| [   21.508255][  T524] Modules linked in: xfrm_user nf_tables
| [   21.508666][  T524] Tainted: [W]=WARN
[   21.508767][  T524] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.508934][  T524] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.509112][  T524] 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
[   21.509584][  T524] RSP: 0018:ffa00000006778f8 EFLAGS: 00010286
[   21.509757][  T524] RAX: 00000000ffffffa6 RBX: ff1100000ddec3c0 RCX: 1ff40000000ceee5
[   21.509956][  T524] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ddec47c
[   21.510156][  T524] RBP: ff11000012071000 R08: 1fe2200001bbd891 R09: ff110000100a8b80
[   21.510353][  T524] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   21.510554][  T524] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012071000
[   21.510758][  T524] FS:  00007ff5c549f840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   21.510988][  T524] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.511158][  T524] CR2: 00007ff5c56a6430 CR3: 0000000010917005 CR4: 0000000000771ef0
[   21.511356][  T524] PKRU: 55555554
[   21.511455][  T524] Call Trace:
[   21.511557][  T524]  <TASK>
[   21.511626][  T524]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.511762][  T524]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.511894][  T524]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.511994][  T524]  register_netdevice (net/core/dev.c:11488)
[   21.512134][  T524]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   21.512298][  T524]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   21.512433][  T524]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   21.512570][  T524]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   21.512709][  T524]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   21.512843][  T524]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   21.512974][  T524]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   21.513114][  T524]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   21.513245][  T524]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   21.513380][  T524]  vti_init_net (net/ipv4/ip_vti.c:517)
[   21.513515][  T524]  ops_init (net/core/net_namespace.c:137)
[   21.513618][  T524]  setup_net (net/core/net_namespace.c:446)
[   21.513727][  T524]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   21.513858][  T524]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   21.513989][  T524]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   21.514129][  T524]  copy_net_ns (net/core/net_namespace.c:579)
[   21.514262][  T524]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.514395][  T524]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.514536][  T524]  ksys_unshare (kernel/fork.c:3243)
[   21.514671][  T524]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   21.514807][  T524]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   21.514938][  T524]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   21.515076][  T524]  ? __ia32_sys_open (fs/open.c:1374)
[   21.515211][  T524]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.515341][  T524]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   21.515474][  T524]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.515608][  T524]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.515745][  T524]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.515876][  T524]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.516039][  T524] RIP: 0033:0x7ff5c5761bcb
[   21.516181][  T524] 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
[   21.516661][  T524] RSP: 002b:00007fff8f703048 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   21.516859][  T524] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff5c5761bcb
[   21.517054][  T524] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.517256][  T524] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.517454][  T524] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff8f705270
[   21.517657][  T524] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff8f705888
| [   21.521848][  T524] ------------[ cut here ]------------
| [   21.521983][  T524] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/524
| [   21.522211][  T524] Modules linked in: xfrm_user nf_tables
| [   21.523230][  T524] Tainted: [W]=WARN
[   21.523331][  T524] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.523494][  T524] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.523728][  T524] 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
[   21.524257][  T524] RSP: 0018:ffa0000000677a78 EFLAGS: 00010286
[   21.524422][  T524] RAX: 00000000ffffffa6 RBX: ff11000012440ac0 RCX: 1ff40000000cef15
[   21.524621][  T524] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012440b7c
[   21.524875][  T524] RBP: ff11000012091000 R08: 1fe2200002488171 R09: ff110000100a8b80
[   21.525079][  T524] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   21.525275][  T524] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012091000
[   21.525471][  T524] FS:  00007ff5c549f840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   21.525760][  T524] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.525927][  T524] CR2: 00007ff5c56a6430 CR3: 0000000010917005 CR4: 0000000000771ef0
[   21.526128][  T524] PKRU: 55555554
[   21.526225][  T524] Call Trace:
[   21.526323][  T524]  <TASK>
[   21.526391][  T524]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.526526][  T524]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.526714][  T524]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.526816][  T524]  register_netdevice (net/core/dev.c:11488)
[   21.526948][  T524]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   21.527115][  T524]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.527248][  T524]  register_netdev (net/core/dev.c:11552)
[   21.527379][  T524]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   21.527516][  T524]  ops_init (net/core/net_namespace.c:137)
[   21.527616][  T524]  setup_net (net/core/net_namespace.c:446)
[   21.527772][  T524]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   21.527902][  T524]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   21.528031][  T524]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   21.528168][  T524]  copy_net_ns (net/core/net_namespace.c:579)
[   21.528301][  T524]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.528434][  T524]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.528569][  T524]  ksys_unshare (kernel/fork.c:3243)
[   21.528755][  T524]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   21.528887][  T524]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   21.529019][  T524]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   21.529154][  T524]  ? __ia32_sys_open (fs/open.c:1374)
[   21.529286][  T524]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.529416][  T524]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   21.529548][  T524]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.529733][  T524]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.529865][  T524]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.529996][  T524]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.530164][  T524] RIP: 0033:0x7ff5c5761bcb
[   21.530299][  T524] 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
[   21.530823][  T524] RSP: 002b:00007fff8f703048 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   21.531020][  T524] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff5c5761bcb
[   21.531217][  T524] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.531502][  T524] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.531752][  T524] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff8f705270
[   21.531946][  T524] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff8f705888
| [   21.537429][  T524] ------------[ cut here ]------------
| [   21.537581][  T524] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/524
| [   21.537817][  T524] Modules linked in: xfrm_user nf_tables
| [   21.538222][  T524] Tainted: [W]=WARN
[   21.538322][  T524] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.538487][  T524] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.538667][  T524] 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
[   21.539138][  T524] RSP: 0018:ffa0000000677a68 EFLAGS: 00010286
[   21.539305][  T524] RAX: 00000000ffffffa6 RBX: ff1100000505f000 RCX: 1ff40000000cef13
[   21.539499][  T524] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000505f0bc
[   21.539704][  T524] RBP: ff1100000f8e9000 R08: 1fe2200000a0be19 R09: ff110000100a8b80
[   21.539900][  T524] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   21.540102][  T524] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f8e9000
[   21.540299][  T524] FS:  00007ff5c549f840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   21.540555][  T524] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.540726][  T524] CR2: 00007f4cd72fcf98 CR3: 0000000010917001 CR4: 0000000000771ef0
[   21.540922][  T524] PKRU: 55555554
[   21.541019][  T524] Call Trace:
[   21.541120][  T524]  <TASK>
[   21.541188][  T524]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.541320][  T524]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.541453][  T524]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.541556][  T524]  register_netdevice (net/core/dev.c:11488)
[   21.541696][  T524]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   21.541860][  T524]  register_netdev (net/core/dev.c:11552)
[   21.541991][  T524]  sit_init_net (net/ipv6/sit.c:1860)
[   21.542130][  T524]  ops_init (net/core/net_namespace.c:137)
[   21.542231][  T524]  setup_net (net/core/net_namespace.c:446)
[   21.542331][  T524]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   21.542461][  T524]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   21.542594][  T524]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   21.542731][  T524]  copy_net_ns (net/core/net_namespace.c:579)
[   21.542862][  T524]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.542997][  T524]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.543135][  T524]  ksys_unshare (kernel/fork.c:3243)
[   21.543266][  T524]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   21.543396][  T524]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   21.543533][  T524]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   21.543668][  T524]  ? __ia32_sys_open (fs/open.c:1374)
[   21.543800][  T524]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.543933][  T524]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   21.544061][  T524]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.544196][  T524]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.544327][  T524]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.544458][  T524]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.544624][  T524] RIP: 0033:0x7ff5c5761bcb
[   21.544765][  T524] 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
[   21.545250][  T524] RSP: 002b:00007fff8f703048 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   21.545447][  T524] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff5c5761bcb
[   21.545642][  T524] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.545843][  T524] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.546038][  T524] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff8f705270
[   21.546238][  T524] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff8f705888
| [   21.550875][  T524] ------------[ cut here ]------------
| [   21.551010][  T524] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/524
| [   21.551241][  T524] Modules linked in: xfrm_user nf_tables
| [   21.551644][  T524] Tainted: [W]=WARN
[   21.551751][  T524] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.551914][  T524] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.552088][  T524] 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
[   21.552560][  T524] RSP: 0018:ffa0000000677a78 EFLAGS: 00010286
[   21.552730][  T524] RAX: 00000000ffffffa6 RBX: ff1100000e41f540 RCX: 1ff40000000cef15
[   21.552926][  T524] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e41f5fc
[   21.553128][  T524] RBP: ff11000009b61000 R08: 1fe2200001c83ec1 R09: ff110000100a8b80
[   21.553325][  T524] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   21.553525][  T524] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b61000
[   21.553729][  T524] FS:  00007ff5c549f840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   21.553959][  T524] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.554131][  T524] CR2: 00007f4cd72fcf98 CR3: 0000000010917001 CR4: 0000000000771ef0
[   21.554329][  T524] PKRU: 55555554
[   21.554428][  T524] Call Trace:
[   21.554530][  T524]  <TASK>
[   21.554598][  T524]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.554735][  T524]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.554868][  T524]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.554970][  T524]  register_netdevice (net/core/dev.c:11488)
[   21.555108][  T524]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   21.555272][  T524]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.555405][  T524]  register_netdev (net/core/dev.c:11552)
[   21.555539][  T524]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   21.555678][  T524]  ops_init (net/core/net_namespace.c:137)
[   21.555778][  T524]  setup_net (net/core/net_namespace.c:446)
[   21.555879][  T524]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   21.556012][  T524]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   21.556150][  T524]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   21.556286][  T524]  copy_net_ns (net/core/net_namespace.c:579)
[   21.556418][  T524]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.556556][  T524]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.556693][  T524]  ksys_unshare (kernel/fork.c:3243)
[   21.556826][  T524]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   21.556957][  T524]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   21.557094][  T524]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   21.557226][  T524]  ? __ia32_sys_open (fs/open.c:1374)
[   21.557359][  T524]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.557489][  T524]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   21.557622][  T524]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.557760][  T524]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.557894][  T524]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.558025][  T524]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.558195][  T524] RIP: 0033:0x7ff5c5761bcb
[   21.558331][  T524] 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
[   21.558806][  T524] RSP: 002b:00007fff8f703048 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   21.559003][  T524] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff5c5761bcb
[   21.559207][  T524] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.559402][  T524] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.559602][  T524] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff8f705270
[   21.559806][  T524] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff8f705888
| [   21.597056][  T525] ------------[ cut here ]------------
| [   21.597207][  T525] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/525
| [   21.597434][  T525] Modules linked in: xfrm_user nf_tables
| [   21.597878][  T525] Tainted: [W]=WARN
[   21.597978][  T525] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.598145][  T525] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.598313][  T525] 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
[   21.598786][  T525] RSP: 0018:ffa00000006a7020 EFLAGS: 00010286
[   21.598950][  T525] RAX: 00000000ffffffa6 RBX: ff11000012441000 RCX: 1ff40000000d4dca
[   21.599149][  T525] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000124410bc
[   21.599341][  T525] RBP: ff11000007c99000 R08: 1fe2200002488219 R09: ff110000100aae58
[   21.599539][  T525] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   21.599740][  T525] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   21.599936][  T525] FS:  00007fada8e69840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   21.600170][  T525] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.600332][  T525] CR2: 000000000238d988 CR3: 0000000010acb001 CR4: 0000000000771ef0
[   21.600531][  T525] PKRU: 55555554
[   21.600629][  T525] Call Trace:
[   21.600729][  T525]  <TASK>
[   21.600796][  T525]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.600929][  T525]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.601029][  T525]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   21.601165][  T525]  __dev_notify_flags (net/core/dev.c:9787)
[   21.601296][  T525]  ? netif_change_name (net/core/dev.c:1495)
[   21.601426][  T525]  ? __dev_change_flags (net/core/dev.c:9752)
[   21.601561][  T525]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   21.601696][  T525]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.601827][  T525]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   21.601959][  T525]  netif_change_flags (net/core/dev.c:9820)
[   21.602096][  T525]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   21.602228][  T525]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   21.602360][  T525]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   21.602492][  T525]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   21.602663][  T525]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.602795][  T525]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.602925][  T525]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.603055][  T525]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.603194][  T525]  ? __kernel_text_address (kernel/extable.c:79)
[   21.603326][  T525]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.603459][  T525]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.603591][  T525]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.603727][  T525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.603858][  T525]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.603988][  T525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.604122][  T525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.604252][  T525]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   21.604382][  T525]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   21.604515][  T525]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   21.604647][  T525]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.604785][  T525]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   21.604920][  T525]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   21.605053][  T525]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   21.605192][  T525]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.605322][  T525]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.605454][  T525]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.605587][  T525]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.605723][  T525]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.605855][  T525]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.605985][  T525]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.606118][  T525]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.606249][  T525]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.606380][  T525]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.606513][  T525]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.606646][  T525]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.606781][  T525]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.606910][  T525]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.607042][  T525]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.607178][  T525]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.607309][  T525]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.607440][  T525]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.607576][  T525]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.607716][  T525]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.607846][  T525]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.607979][  T525]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.608119][  T525]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.608250][  T525]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.608381][  T525]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.608516][  T525]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.608648][  T525]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.608787][  T525]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.608919][  T525]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.609049][  T525]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.609215][  T525]  ? move_addr_to_kernel (net/socket.c:258)
[   21.609347][  T525]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.609477][  T525]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.609611][  T525]  ___sys_sendmsg (net/socket.c:2752)
[   21.609748][  T525]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   21.609910][  T525]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.610054][  T525]  __sys_sendmsg (net/socket.c:2784)
[   21.610192][  T525]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.610324][  T525]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   21.610489][  T525]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.610625][  T525]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.610761][  T525]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.610893][  T525]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.611026][  T525]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.611161][  T525]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.611324][  T525] RIP: 0033:0x7fada90a308e
[   21.611461][  T525] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.611937][  T525] RSP: 002b:00007ffd2b0c5b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.612143][  T525] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fada90a308e
[   21.612338][  T525] RDX: 0000000000000000 RSI: 00007ffd2b0c5c10 RDI: 0000000000000005
[   21.612537][  T525] RBP: 00007ffd2b0c5b70 R08: 0000000000000000 R09: 0000000000000000
[   21.612737][  T525] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d83f
[   21.612933][  T525] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2b0c62e0
| [   21.727193][  T529] ------------[ cut here ]------------
| [   21.727341][  T529] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/529
| [   21.727573][  T529] Modules linked in: xfrm_user nf_tables
| [   21.727983][  T529] Tainted: [W]=WARN
[   21.728087][  T529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.728251][  T529] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.728421][  T529] 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
[   21.728898][  T529] RSP: 0018:ffa0000000767a80 EFLAGS: 00010286
[   21.729063][  T529] RAX: 00000000ffffffa6 RBX: ff110000124418c0 RCX: 1ff40000000ecf16
[   21.729265][  T529] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001244197c
[   21.729460][  T529] RBP: ff1100000faac000 R08: 1fe2200002488331 R09: ff1100000abbae80
[   21.729664][  T529] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   21.729860][  T529] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000faac000
[   21.730056][  T529] FS:  00007fe367363840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   21.730292][  T529] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.730456][  T529] CR2: 00007fe36756a430 CR3: 00000000108ed006 CR4: 0000000000771ef0
[   21.730664][  T529] PKRU: 55555554
[   21.730762][  T529] Call Trace:
[   21.730859][  T529]  <TASK>
[   21.730927][  T529]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.731057][  T529]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.731193][  T529]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.731293][  T529]  register_netdevice (net/core/dev.c:11488)
[   21.731425][  T529]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   21.731594][  T529]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   21.731731][  T529]  register_netdev (net/core/dev.c:11552)
[   21.731862][  T529]  loopback_net_init (drivers/net/loopback.c:218)
[   21.731994][  T529]  ops_init (net/core/net_namespace.c:137)
[   21.732101][  T529]  setup_net (net/core/net_namespace.c:446)
[   21.732202][  T529]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   21.732332][  T529]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   21.732464][  T529]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   21.732600][  T529]  copy_net_ns (net/core/net_namespace.c:579)
[   21.732735][  T529]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.732868][  T529]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.732999][  T529]  ksys_unshare (kernel/fork.c:3243)
[   21.733135][  T529]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   21.733265][  T529]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   21.733397][  T529]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   21.733532][  T529]  ? __ia32_sys_open (fs/open.c:1374)
[   21.733669][  T529]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.733799][  T529]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   21.733929][  T529]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.734059][  T529]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.734197][  T529]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.734327][  T529]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.734490][  T529] RIP: 0033:0x7fe367625bcb
[   21.734632][  T529] 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
[   21.735108][  T529] RSP: 002b:00007fff540090c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   21.735304][  T529] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe367625bcb
[   21.735502][  T529] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.735706][  T529] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.735900][  T529] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff5400b2f0
[   21.736098][  T529] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff5400b887
| [   21.740751][  T529] ------------[ cut here ]------------
| [   21.740888][  T529] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/529
| [   21.741119][  T529] Modules linked in: xfrm_user nf_tables
| [   21.741517][  T529] Tainted: [W]=WARN
[   21.741615][  T529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.741784][  T529] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.741953][  T529] 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
[   21.742421][  T529] RSP: 0018:ffa0000000767918 EFLAGS: 00010286
[   21.742588][  T529] RAX: 00000000ffffffa6 RBX: ff1100000fee51c0 RCX: 1ff40000000ecee9
[   21.742792][  T529] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fee527c
[   21.742986][  T529] RBP: ff11000005b84000 R08: 1fe2200001fdca51 R09: ff1100000abbae80
[   21.743181][  T529] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   21.743372][  T529] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005b84000
[   21.743570][  T529] FS:  00007fe367363840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   21.743801][  T529] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.743962][  T529] CR2: 00007fe36756a430 CR3: 00000000108ed006 CR4: 0000000000771ef0
[   21.744163][  T529] PKRU: 55555554
[   21.744260][  T529] Call Trace:
[   21.744356][  T529]  <TASK>
[   21.744424][  T529]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.744645][  T529]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.744781][  T529]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.744880][  T529]  register_netdevice (net/core/dev.c:11488)
[   21.745011][  T529]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   21.745260][  T529]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   21.745392][  T529]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   21.745524][  T529]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   21.745658][  T529]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   21.745791][  T529]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   21.745922][  T529]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   21.746053][  T529]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   21.746189][  T529]  ops_init (net/core/net_namespace.c:137)
[   21.746372][  T529]  setup_net (net/core/net_namespace.c:446)
[   21.746471][  T529]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   21.746603][  T529]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   21.746738][  T529]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   21.746953][  T529]  copy_net_ns (net/core/net_namespace.c:579)
[   21.747089][  T529]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.747222][  T529]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.747352][  T529]  ksys_unshare (kernel/fork.c:3243)
[   21.747569][  T529]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   21.747701][  T529]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   21.747832][  T529]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   21.747962][  T529]  ? __ia32_sys_open (fs/open.c:1374)
[   21.748182][  T529]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.748309][  T529]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   21.748437][  T529]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.748568][  T529]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.748701][  T529]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.748830][  T529]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.748991][  T529] RIP: 0033:0x7fe367625bcb
[   21.749130][  T529] 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
[   21.749688][  T529] RSP: 002b:00007fff540090c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   21.749969][  T529] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe367625bcb
[   21.750166][  T529] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.750359][  T529] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.750641][  T529] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff5400b2f0
[   21.750838][  T529] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff5400b887
| [   21.754988][  T529] ------------[ cut here ]------------
| [   21.755132][  T529] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/529
| [   21.755448][  T529] Modules linked in: xfrm_user nf_tables
| [   21.755851][  T529] Tainted: [W]=WARN
[   21.756037][  T529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.756209][  T529] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.756381][  T529] 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
[   21.756947][  T529] RSP: 0018:ffa00000007678f8 EFLAGS: 00010286
[   21.757116][  T529] RAX: 00000000ffffffa6 RBX: ff1100000bbdc040 RCX: 1ff40000000ecee5
[   21.757398][  T529] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbdc0fc
[   21.757598][  T529] RBP: ff110000087f1000 R08: 1fe220000177b821 R09: ff1100000abbae80
[   21.757884][  T529] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   21.758083][  T529] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000087f1000
[   21.758280][  T529] FS:  00007fe367363840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   21.758602][  T529] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.758769][  T529] CR2: 00007fe36756a430 CR3: 00000000108ed006 CR4: 0000000000771ef0
[   21.758966][  T529] PKRU: 55555554
[   21.759156][  T529] Call Trace:
[   21.759252][  T529]  <TASK>
[   21.759320][  T529]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.759452][  T529]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.759586][  T529]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.759778][  T529]  register_netdevice (net/core/dev.c:11488)
[   21.759911][  T529]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   21.760078][  T529]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   21.760212][  T529]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   21.760430][  T529]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   21.760567][  T529]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   21.760704][  T529]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   21.760836][  T529]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   21.761058][  T529]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   21.761195][  T529]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   21.761328][  T529]  vti_init_net (net/ipv4/ip_vti.c:517)
[   21.761459][  T529]  ops_init (net/core/net_namespace.c:137)
[   21.761650][  T529]  setup_net (net/core/net_namespace.c:446)
[   21.761757][  T529]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   21.761888][  T529]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   21.762019][  T529]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   21.762242][  T529]  copy_net_ns (net/core/net_namespace.c:579)
[   21.762374][  T529]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.762515][  T529]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.762656][  T529]  ksys_unshare (kernel/fork.c:3243)
[   21.762876][  T529]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   21.763006][  T529]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   21.763144][  T529]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   21.763277][  T529]  ? __ia32_sys_open (fs/open.c:1374)
[   21.763496][  T529]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.763630][  T529]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   21.763765][  T529]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.763897][  T529]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.764120][  T529]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.764252][  T529]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.764414][  T529] RIP: 0033:0x7fe367625bcb
[   21.764551][  T529] 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
[   21.765124][  T529] RSP: 002b:00007fff540090c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   21.765411][  T529] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe367625bcb
[   21.765611][  T529] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.765812][  T529] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.766104][  T529] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff5400b2f0
[   21.766300][  T529] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff5400b887
| [   21.771713][  T529] ------------[ cut here ]------------
| [   21.771852][  T529] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/529
| [   21.772087][  T529] Modules linked in: xfrm_user nf_tables
| [   21.772488][  T529] Tainted: [W]=WARN
[   21.772593][  T529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.772761][  T529] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.772931][  T529] 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
[   21.773405][  T529] RSP: 0018:ffa0000000767a78 EFLAGS: 00010286
[   21.773575][  T529] RAX: 00000000ffffffa6 RBX: ff1100000be30200 RCX: 1ff40000000ecf15
[   21.773833][  T529] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be302bc
[   21.774032][  T529] RBP: ff11000005f49000 R08: 1fe22000017c6059 R09: ff1100000abbae80
[   21.774234][  T529] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   21.774431][  T529] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005f49000
[   21.774632][  T529] FS:  00007fe367363840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   21.774916][  T529] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.775086][  T529] CR2: 00007fe36756a430 CR3: 00000000108ed006 CR4: 0000000000771ef0
[   21.775285][  T529] PKRU: 55555554
[   21.775384][  T529] Call Trace:
[   21.775481][  T529]  <TASK>
[   21.775550][  T529]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.775737][  T529]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.775869][  T529]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.775968][  T529]  register_netdevice (net/core/dev.c:11488)
[   21.776107][  T529]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   21.776271][  T529]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.776404][  T529]  register_netdev (net/core/dev.c:11552)
[   21.776539][  T529]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   21.776727][  T529]  ops_init (net/core/net_namespace.c:137)
[   21.776828][  T529]  setup_net (net/core/net_namespace.c:446)
[   21.776927][  T529]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   21.777056][  T529]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   21.777192][  T529]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   21.777325][  T529]  copy_net_ns (net/core/net_namespace.c:579)
[   21.777457][  T529]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.777593][  T529]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.777779][  T529]  ksys_unshare (kernel/fork.c:3243)
[   21.777909][  T529]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   21.778039][  T529]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   21.778175][  T529]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   21.778307][  T529]  ? __ia32_sys_open (fs/open.c:1374)
[   21.778438][  T529]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.778572][  T529]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   21.778758][  T529]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.778887][  T529]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.779017][  T529]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.779150][  T529]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.779311][  T529] RIP: 0033:0x7fe367625bcb
[   21.779446][  T529] 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
[   21.779968][  T529] RSP: 002b:00007fff540090c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   21.780170][  T529] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe367625bcb
[   21.780364][  T529] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.780561][  T529] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.780809][  T529] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff5400b2f0
[   21.781001][  T529] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff5400b887
| [   21.785285][  T529] ------------[ cut here ]------------
| [   21.785464][  T529] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/529
| [   21.785773][  T529] Modules linked in: xfrm_user nf_tables
| [   21.786269][  T529] Tainted: [W]=WARN
[   21.786415][  T529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.786634][  T529] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.786868][  T529] 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
[   21.787382][  T529] RSP: 0018:ffa0000000767a68 EFLAGS: 00010286
[   21.787599][  T529] RAX: 00000000ffffffa6 RBX: ff1100000e9558c0 RCX: 1ff40000000ecf13
[   21.787852][  T529] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e95597c
[   21.788115][  T529] RBP: ff1100000a279000 R08: 1fe2200001d2ab31 R09: ff1100000abbae80
[   21.788357][  T529] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   21.788608][  T529] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a279000
[   21.788866][  T529] FS:  00007fe367363840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   21.789154][  T529] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.789364][  T529] CR2: 000055d3d5b6bd5c CR3: 00000000108ed001 CR4: 0000000000771ef0
[   21.789614][  T529] PKRU: 55555554
[   21.789769][  T529] Call Trace:
[   21.789913][  T529]  <TASK>
[   21.790027][  T529]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.790217][  T529]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.790397][  T529]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.790550][  T529]  register_netdevice (net/core/dev.c:11488)
[   21.790740][  T529]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   21.790951][  T529]  register_netdev (net/core/dev.c:11552)
[   21.791137][  T529]  sit_init_net (net/ipv6/sit.c:1860)
[   21.791317][  T529]  ops_init (net/core/net_namespace.c:137)
[   21.791465][  T529]  setup_net (net/core/net_namespace.c:446)
[   21.791620][  T529]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   21.791806][  T529]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   21.791983][  T529]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   21.792171][  T529]  copy_net_ns (net/core/net_namespace.c:579)
[   21.792350][  T529]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.792531][  T529]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.792735][  T529]  ksys_unshare (kernel/fork.c:3243)
[   21.792909][  T529]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   21.793091][  T529]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   21.793268][  T529]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   21.793443][  T529]  ? __ia32_sys_open (fs/open.c:1374)
[   21.793628][  T529]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.793819][  T529]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   21.793993][  T529]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.794181][  T529]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.794356][  T529]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.794535][  T529]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.794758][  T529] RIP: 0033:0x7fe367625bcb
[   21.794940][  T529] 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
[   21.795451][  T529] RSP: 002b:00007fff540090c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   21.795712][  T529] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe367625bcb
[   21.795949][  T529] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.796196][  T529] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.796437][  T529] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff5400b2f0
[   21.796693][  T529] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff5400b887
| [   21.808290][  T529] ------------[ cut here ]------------
| [   21.808468][  T529] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/529
| [   21.808753][  T529] Modules linked in: xfrm_user nf_tables
| [   21.809248][  T529] Tainted: [W]=WARN
[   21.809392][  T529] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.809609][  T529] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.809849][  T529] 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
[   21.810359][  T529] RSP: 0018:ffa0000000767a78 EFLAGS: 00010286
[   21.810576][  T529] RAX: 00000000ffffffa6 RBX: ff1100000e5abe00 RCX: 1ff40000000ecf15
[   21.810830][  T529] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5abebc
[   21.811068][  T529] RBP: ff1100000e82c000 R08: 1fe2200001cb57d9 R09: ff1100000abbae80
[   21.811316][  T529] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   21.811563][  T529] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e82c000
[   21.811819][  T529] FS:  00007fe367363840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   21.812100][  T529] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.812310][  T529] CR2: 000055d3d5b6bd5c CR3: 00000000108ed001 CR4: 0000000000771ef0
[   21.812563][  T529] PKRU: 55555554
[   21.812720][  T529] Call Trace:
[   21.812865][  T529]  <TASK>
[   21.812979][  T529]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.813169][  T529]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.813354][  T529]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.813502][  T529]  register_netdevice (net/core/dev.c:11488)
[   21.813698][  T529]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   21.813905][  T529]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.814091][  T529]  register_netdev (net/core/dev.c:11552)
[   21.814270][  T529]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   21.814447][  T529]  ops_init (net/core/net_namespace.c:137)
[   21.814604][  T529]  setup_net (net/core/net_namespace.c:446)
[   21.814763][  T529]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   21.814939][  T529]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   21.815123][  T529]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   21.815303][  T529]  copy_net_ns (net/core/net_namespace.c:579)
[   21.815483][  T529]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.815680][  T529]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.815861][  T529]  ksys_unshare (kernel/fork.c:3243)
[   21.816037][  T529]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   21.816220][  T529]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   21.816397][  T529]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   21.816583][  T529]  ? __ia32_sys_open (fs/open.c:1374)
[   21.816772][  T529]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.816949][  T529]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   21.817133][  T529]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.817312][  T529]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.817488][  T529]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.817686][  T529]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.817894][  T529] RIP: 0033:0x7fe367625bcb
[   21.818083][  T529] 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
[   21.818596][  T529] RSP: 002b:00007fff540090c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   21.818850][  T529] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe367625bcb
[   21.819097][  T529] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.819338][  T529] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.819587][  T529] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff5400b2f0
[   21.819837][  T529] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff5400b887
| [   21.843383][  T530] ------------[ cut here ]------------
| [   21.843536][  T530] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/530
| [   21.843784][  T530] Modules linked in: xfrm_user nf_tables
| [   21.844185][  T530] Tainted: [W]=WARN
[   21.844283][  T530] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.844446][  T530] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.844619][  T530] 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
[   21.845093][  T530] RSP: 0018:ffa0000000597020 EFLAGS: 00010286
[   21.845258][  T530] RAX: 00000000ffffffa6 RBX: ff1100000e41ec80 RCX: 1ff40000000b2dca
[   21.845454][  T530] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e41ed3c
[   21.845650][  T530] RBP: ff1100000faac000 R08: 1fe2200001c83da9 R09: ff11000008d78b58
[   21.845849][  T530] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   21.846042][  T530] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   21.846246][  T530] FS:  00007f205ff30840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   21.846473][  T530] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.846640][  T530] CR2: 00007f20602001a0 CR3: 000000000e96f001 CR4: 0000000000771ef0
[   21.846842][  T530] PKRU: 55555554
[   21.846940][  T530] Call Trace:
[   21.847037][  T530]  <TASK>
[   21.847112][  T530]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.847245][  T530]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.847344][  T530]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   21.847474][  T530]  __dev_notify_flags (net/core/dev.c:9787)
[   21.847608][  T530]  ? netif_change_name (net/core/dev.c:1495)
[   21.847744][  T530]  ? __dev_change_flags (net/core/dev.c:9752)
[   21.847874][  T530]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   21.848005][  T530]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.848141][  T530]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   21.848274][  T530]  netif_change_flags (net/core/dev.c:9820)
[   21.848405][  T530]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   21.848540][  T530]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   21.849126][  T530]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   21.849260][  T530]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   21.849425][  T530]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   21.849558][  T530]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.849693][  T530]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   21.849824][  T530]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.849955][  T530]  ? __kernel_text_address (kernel/extable.c:79)
[   21.850088][  T530]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.850220][  T530]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.850351][  T530]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.850483][  T530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.850615][  T530]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   21.850749][  T530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.850879][  T530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.851010][  T530]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   21.851147][  T530]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   21.851279][  T530]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   21.851410][  T530]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   21.851546][  T530]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   21.851688][  T530]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   21.851821][  T530]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   21.851952][  T530]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.852086][  T530]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.852216][  T530]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.852347][  T530]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   21.852476][  T530]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.852612][  T530]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.852747][  T530]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.852875][  T530]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.853005][  T530]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   21.853141][  T530]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   21.853271][  T530]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   21.853403][  T530]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.853535][  T530]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.853669][  T530]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.853799][  T530]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   21.853929][  T530]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   21.854060][  T530]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   21.854196][  T530]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   21.854326][  T530]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   21.854462][  T530]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   21.854595][  T530]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   21.854731][  T530]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   21.854863][  T530]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   21.854994][  T530]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   21.855132][  T530]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   21.855262][  T530]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   21.855395][  T530]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   21.855530][  T530]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   21.855666][  T530]  ? copy_msghdr_from_user (net/socket.c:2635)
[   21.855797][  T530]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   21.855958][  T530]  ? move_addr_to_kernel (net/socket.c:258)
[   21.856096][  T530]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   21.856228][  T530]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   21.856360][  T530]  ___sys_sendmsg (net/socket.c:2752)
[   21.856489][  T530]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   21.856662][  T530]  ? copy_msghdr_from_user (net/socket.c:2603)
[   21.856804][  T530]  __sys_sendmsg (net/socket.c:2784)
[   21.856936][  T530]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   21.857065][  T530]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   21.857236][  T530]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   21.857369][  T530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   21.857503][  T530]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.857635][  T530]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.857772][  T530]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.857903][  T530]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.858064][  T530] RIP: 0033:0x7f206016a08e
[   21.858207][  T530] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   21.858681][  T530] RSP: 002b:00007ffc140b3a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   21.858878][  T530] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f206016a08e
[   21.859071][  T530] RDX: 0000000000000000 RSI: 00007ffc140b3ad0 RDI: 0000000000000005
[   21.859272][  T530] RBP: 00007ffc140b3a30 R08: 0000000000000000 R09: 0000000000000000
[   21.859465][  T530] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d840
[   21.859666][  T530] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc140b41a0
| [   21.984461][  T534] ------------[ cut here ]------------
| [   21.984613][  T534] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/534
| [   21.984855][  T534] Modules linked in: xfrm_user nf_tables
| [   21.985268][  T534] Tainted: [W]=WARN
[   21.985367][  T534] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.985538][  T534] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.985715][  T534] 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
[   21.986187][  T534] RSP: 0018:ffa00000007a7a80 EFLAGS: 00010286
[   21.986352][  T534] RAX: 00000000ffffffa6 RBX: ff1100000d5d51c0 RCX: 1ff40000000f4f16
[   21.986549][  T534] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5d527c
[   21.986750][  T534] RBP: ff1100000a281000 R08: 1fe2200001abaa51 R09: ff11000009c5ae80
[   21.986946][  T534] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   21.987147][  T534] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a281000
[   21.987344][  T534] FS:  00007fa7e6f1c840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   21.987577][  T534] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   21.987747][  T534] CR2: 000055d3d5b6bd5c CR3: 000000000fc6e001 CR4: 0000000000771ef0
[   21.987945][  T534] PKRU: 55555554
[   21.988044][  T534] Call Trace:
[   21.988148][  T534]  <TASK>
[   21.988216][  T534]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   21.988347][  T534]  ? notifier_call_chain (kernel/notifier.c:85)
[   21.988479][  T534]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   21.988580][  T534]  register_netdevice (net/core/dev.c:11488)
[   21.988718][  T534]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   21.988880][  T534]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   21.989013][  T534]  register_netdev (net/core/dev.c:11552)
[   21.989149][  T534]  loopback_net_init (drivers/net/loopback.c:218)
[   21.989281][  T534]  ops_init (net/core/net_namespace.c:137)
[   21.989381][  T534]  setup_net (net/core/net_namespace.c:446)
[   21.989479][  T534]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   21.989626][  T534]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   21.989816][  T534]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   21.989950][  T534]  copy_net_ns (net/core/net_namespace.c:579)
[   21.990086][  T534]  create_new_namespaces (kernel/nsproxy.c:132)
[   21.990220][  T534]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   21.990351][  T534]  ksys_unshare (kernel/fork.c:3243)
[   21.990482][  T534]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   21.990613][  T534]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   21.990751][  T534]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   21.990883][  T534]  ? __ia32_sys_open (fs/open.c:1374)
[   21.991015][  T534]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   21.991149][  T534]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   21.991280][  T534]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   21.991412][  T534]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   21.991545][  T534]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   21.991682][  T534]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   21.991845][  T534] RIP: 0033:0x7fa7e71debcb
[   21.991981][  T534] 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
[   21.992453][  T534] RSP: 002b:00007ffef5fbf488 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   21.992663][  T534] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa7e71debcb
[   21.992860][  T534] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   21.993057][  T534] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   21.993258][  T534] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffef5fc16b0
[   21.993455][  T534] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffef5fc2887
| [   21.997597][  T534] ------------[ cut here ]------------
| [   21.997739][  T534] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/534
| [   21.997962][  T534] Modules linked in: xfrm_user nf_tables
| [   21.998362][  T534] Tainted: [W]=WARN
[   21.998461][  T534] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   21.998625][  T534] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   21.998796][  T534] 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
[   21.999258][  T534] RSP: 0018:ffa00000007a7918 EFLAGS: 00010286
[   21.999423][  T534] RAX: 00000000ffffffa6 RBX: ff1100000bbdce40 RCX: 1ff40000000f4ee9
[   21.999620][  T534] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbdcefc
[   21.999817][  T534] RBP: ff1100000a244000 R08: 1fe220000177b9e1 R09: ff11000009c5ae80
[   22.000010][  T534] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   22.000210][  T534] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a244000
[   22.000404][  T534] FS:  00007fa7e6f1c840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   22.000632][  T534] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.000796][  T534] CR2: 000055d3d5b6bd5c CR3: 000000000fc6e001 CR4: 0000000000771ef0
[   22.000989][  T534] PKRU: 55555554
[   22.001091][  T534] Call Trace:
[   22.001188][  T534]  <TASK>
[   22.001254][  T534]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.001384][  T534]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.001517][  T534]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.001615][  T534]  register_netdevice (net/core/dev.c:11488)
[   22.001752][  T534]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.001914][  T534]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   22.002046][  T534]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   22.002180][  T534]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   22.002309][  T534]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   22.002440][  T534]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   22.002573][  T534]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   22.002710][  T534]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   22.002841][  T534]  ops_init (net/core/net_namespace.c:137)
[   22.002941][  T534]  setup_net (net/core/net_namespace.c:446)
[   22.003038][  T534]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.003170][  T534]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.003299][  T534]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.003429][  T534]  copy_net_ns (net/core/net_namespace.c:579)
[   22.003563][  T534]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.003699][  T534]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.003830][  T534]  ksys_unshare (kernel/fork.c:3243)
[   22.003960][  T534]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.004092][  T534]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.004220][  T534]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.004349][  T534]  ? __ia32_sys_open (fs/open.c:1374)
[   22.004479][  T534]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.004609][  T534]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.004745][  T534]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.004875][  T534]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.005004][  T534]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.005140][  T534]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.005301][  T534] RIP: 0033:0x7fa7e71debcb
[   22.005435][  T534] 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
[   22.005900][  T534] RSP: 002b:00007ffef5fbf488 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.006101][  T534] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa7e71debcb
[   22.006292][  T534] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.006486][  T534] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.006689][  T534] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffef5fc16b0
[   22.006881][  T534] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffef5fc2887
| [   22.010636][  T534] ------------[ cut here ]------------
| [   22.010777][  T534] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/534
| [   22.011004][  T534] Modules linked in: xfrm_user nf_tables
| [   22.011407][  T534] Tainted: [W]=WARN
[   22.011511][  T534] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.011681][  T534] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.011850][  T534] 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
[   22.012317][  T534] RSP: 0018:ffa00000007a78f8 EFLAGS: 00010286
[   22.012485][  T534] RAX: 00000000ffffffa6 RBX: ff1100000bbdde00 RCX: 1ff40000000f4ee5
[   22.012688][  T534] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbddebc
[   22.012882][  T534] RBP: ff11000012b6c000 R08: 1fe220000177bbd9 R09: ff11000009c5ae80
[   22.013081][  T534] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   22.013278][  T534] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012b6c000
[   22.013474][  T534] FS:  00007fa7e6f1c840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   22.013711][  T534] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.013875][  T534] CR2: 000055d3d5b6bd5c CR3: 000000000fc6e001 CR4: 0000000000771ef0
[   22.014079][  T534] PKRU: 55555554
[   22.014178][  T534] Call Trace:
[   22.014276][  T534]  <TASK>
[   22.014344][  T534]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.014475][  T534]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.014609][  T534]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.014714][  T534]  register_netdevice (net/core/dev.c:11488)
[   22.014847][  T534]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.015012][  T534]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   22.015151][  T534]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   22.015282][  T534]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   22.015413][  T534]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   22.015550][  T534]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   22.015686][  T534]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   22.015819][  T534]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   22.015950][  T534]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   22.016089][  T534]  vti_init_net (net/ipv4/ip_vti.c:517)
[   22.016221][  T534]  ops_init (net/core/net_namespace.c:137)
[   22.016322][  T534]  setup_net (net/core/net_namespace.c:446)
[   22.016422][  T534]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.016556][  T534]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.016694][  T534]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.016827][  T534]  copy_net_ns (net/core/net_namespace.c:579)
[   22.016961][  T534]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.017100][  T534]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.017233][  T534]  ksys_unshare (kernel/fork.c:3243)
[   22.017366][  T534]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.017500][  T534]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.017635][  T534]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.017772][  T534]  ? __ia32_sys_open (fs/open.c:1374)
[   22.017907][  T534]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.018038][  T534]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.018174][  T534]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.018305][  T534]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.018436][  T534]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.018572][  T534]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.018740][  T534] RIP: 0033:0x7fa7e71debcb
[   22.018876][  T534] 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
[   22.019347][  T534] RSP: 002b:00007ffef5fbf488 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.019546][  T534] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa7e71debcb
[   22.019747][  T534] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.019944][  T534] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.020144][  T534] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffef5fc16b0
[   22.020340][  T534] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffef5fc2887
| [   22.024365][  T534] ------------[ cut here ]------------
| [   22.024500][  T534] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/534
| [   22.024733][  T534] Modules linked in: xfrm_user nf_tables
| [   22.025135][  T534] Tainted: [W]=WARN
[   22.025232][  T534] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.025394][  T534] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.025566][  T534] 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
[   22.026035][  T534] RSP: 0018:ffa00000007a7a78 EFLAGS: 00010286
[   22.026206][  T534] RAX: 00000000ffffffa6 RBX: ff1100000d5d58c0 RCX: 1ff40000000f4f15
[   22.026401][  T534] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5d597c
[   22.026600][  T534] RBP: ff11000012b7c000 R08: 1fe2200001abab31 R09: ff11000009c5ae80
[   22.026803][  T534] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   22.026997][  T534] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012b7c000
[   22.027199][  T534] FS:  00007fa7e6f1c840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   22.027427][  T534] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.027596][  T534] CR2: 000055d3d5b6bd5c CR3: 000000000fc6e001 CR4: 0000000000771ef0
[   22.027797][  T534] PKRU: 55555554
[   22.027895][  T534] Call Trace:
[   22.027990][  T534]  <TASK>
[   22.028057][  T534]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.028192][  T534]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.028321][  T534]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.028421][  T534]  register_netdevice (net/core/dev.c:11488)
[   22.028556][  T534]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.028724][  T534]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.028856][  T534]  register_netdev (net/core/dev.c:11552)
[   22.028986][  T534]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   22.029121][  T534]  ops_init (net/core/net_namespace.c:137)
[   22.029222][  T534]  setup_net (net/core/net_namespace.c:446)
[   22.029323][  T534]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.029454][  T534]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.029587][  T534]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.029724][  T534]  copy_net_ns (net/core/net_namespace.c:579)
[   22.029855][  T534]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.029988][  T534]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.030123][  T534]  ksys_unshare (kernel/fork.c:3243)
[   22.030254][  T534]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.030383][  T534]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.030515][  T534]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.030645][  T534]  ? __ia32_sys_open (fs/open.c:1374)
[   22.030781][  T534]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.030911][  T534]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.031041][  T534]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.031176][  T534]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.031306][  T534]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.031434][  T534]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.031597][  T534] RIP: 0033:0x7fa7e71debcb
[   22.031734][  T534] 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
[   22.032205][  T534] RSP: 002b:00007ffef5fbf488 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.032398][  T534] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa7e71debcb
[   22.032592][  T534] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.032789][  T534] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.032985][  T534] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffef5fc16b0
[   22.033184][  T534] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffef5fc2887
| [   22.037436][  T534] ------------[ cut here ]------------
| [   22.037586][  T534] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/534
| [   22.037820][  T534] Modules linked in: xfrm_user nf_tables
| [   22.038218][  T534] Tainted: [W]=WARN
[   22.038316][  T534] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.038479][  T534] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.038649][  T534] 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
[   22.039119][  T534] RSP: 0018:ffa00000007a7a68 EFLAGS: 00010286
[   22.039286][  T534] RAX: 00000000ffffffa6 RBX: ff1100000ce10740 RCX: 1ff40000000f4f13
[   22.039479][  T534] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce107fc
[   22.039679][  T534] RBP: ff1100000df61000 R08: 1fe22000019c2101 R09: ff11000009c5ae80
[   22.039874][  T534] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   22.040070][  T534] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000df61000
[   22.040270][  T534] FS:  00007fa7e6f1c840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   22.040496][  T534] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.040666][  T534] CR2: 000055d3d5b6bd5c CR3: 000000000fc6e001 CR4: 0000000000771ef0
[   22.040862][  T534] PKRU: 55555554
[   22.040960][  T534] Call Trace:
[   22.041056][  T534]  <TASK>
[   22.041128][  T534]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.041257][  T534]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.041387][  T534]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.041487][  T534]  register_netdevice (net/core/dev.c:11488)
[   22.041623][  T534]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.041793][  T534]  register_netdev (net/core/dev.c:11552)
[   22.041926][  T534]  sit_init_net (net/ipv6/sit.c:1860)
[   22.042057][  T534]  ops_init (net/core/net_namespace.c:137)
[   22.042161][  T534]  setup_net (net/core/net_namespace.c:446)
[   22.042259][  T534]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.042387][  T534]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.042519][  T534]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.042656][  T534]  copy_net_ns (net/core/net_namespace.c:579)
[   22.042788][  T534]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.042920][  T534]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.043051][  T534]  ksys_unshare (kernel/fork.c:3243)
[   22.043184][  T534]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.043312][  T534]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.043442][  T534]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.043577][  T534]  ? __ia32_sys_open (fs/open.c:1374)
[   22.043724][  T534]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.043854][  T534]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.044070][  T534]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.044204][  T534]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.044333][  T534]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.044462][  T534]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.044716][  T534] RIP: 0033:0x7fa7e71debcb
[   22.044850][  T534] 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
[   22.045408][  T534] RSP: 002b:00007ffef5fbf488 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.045606][  T534] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa7e71debcb
[   22.045892][  T534] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.046088][  T534] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.046280][  T534] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffef5fc16b0
[   22.046562][  T534] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffef5fc2887
| [   22.061126][  T534] ------------[ cut here ]------------
| [   22.061268][  T534] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/534
| [   22.061494][  T534] Modules linked in: xfrm_user nf_tables
| [   22.061908][  T534] Tainted: [W]=WARN
[   22.062007][  T534] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.062176][  T534] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.062347][  T534] 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
[   22.062821][  T534] RSP: 0018:ffa00000007a7a78 EFLAGS: 00010286
[   22.062985][  T534] RAX: 00000000ffffffa6 RBX: ff1100001096e040 RCX: 1ff40000000f4f15
[   22.063184][  T534] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001096e0fc
[   22.063379][  T534] RBP: ff1100000ea2c000 R08: 1fe220000212dc21 R09: ff11000009c5ae80
[   22.063577][  T534] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   22.063778][  T534] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ea2c000
[   22.063975][  T534] FS:  00007fa7e6f1c840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   22.064210][  T534] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.064375][  T534] CR2: 000055d3d5b6bd5c CR3: 000000000fc6e001 CR4: 0000000000771ef0
[   22.064579][  T534] PKRU: 55555554
[   22.064682][  T534] Call Trace:
[   22.064779][  T534]  <TASK>
[   22.064847][  T534]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.064978][  T534]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.065115][  T534]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.065216][  T534]  register_netdevice (net/core/dev.c:11488)
[   22.065348][  T534]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.065515][  T534]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.065648][  T534]  register_netdev (net/core/dev.c:11552)
[   22.065784][  T534]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   22.065917][  T534]  ops_init (net/core/net_namespace.c:137)
[   22.066019][  T534]  setup_net (net/core/net_namespace.c:446)
[   22.066122][  T534]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.066251][  T534]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.066383][  T534]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.066517][  T534]  copy_net_ns (net/core/net_namespace.c:579)
[   22.066650][  T534]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.066789][  T534]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.066920][  T534]  ksys_unshare (kernel/fork.c:3243)
[   22.067051][  T534]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.067186][  T534]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.067318][  T534]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.067449][  T534]  ? __ia32_sys_open (fs/open.c:1374)
[   22.067583][  T534]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.067717][  T534]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.067847][  T534]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.067977][  T534]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.068113][  T534]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.068244][  T534]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.068407][  T534] RIP: 0033:0x7fa7e71debcb
[   22.068547][  T534] 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
[   22.069017][  T534] RSP: 002b:00007ffef5fbf488 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.069219][  T534] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa7e71debcb
[   22.069415][  T534] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.069610][  T534] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.069809][  T534] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffef5fc16b0
[   22.070003][  T534] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffef5fc2887
| [   22.095382][  T535] ------------[ cut here ]------------
| [   22.095533][  T535] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/535
| [   22.095770][  T535] Modules linked in: xfrm_user nf_tables
| [   22.096179][  T535] Tainted: [W]=WARN
[   22.096277][  T535] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.096439][  T535] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.096612][  T535] 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
[   22.097086][  T535] RSP: 0018:ffa00000007a7020 EFLAGS: 00010286
[   22.097251][  T535] RAX: 00000000ffffffa6 RBX: ff1100000be30580 RCX: 1ff40000000f4dca
[   22.097445][  T535] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be3063c
[   22.097641][  T535] RBP: ff1100000a281000 R08: 1fe22000017c60c9 R09: ff1100000f3d8b58
[   22.097843][  T535] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   22.098036][  T535] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.098240][  T535] FS:  00007f5d9eff9840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   22.098468][  T535] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.098636][  T535] CR2: 000000000ef44988 CR3: 000000001215f006 CR4: 0000000000771ef0
[   22.098836][  T535] PKRU: 55555554
[   22.098934][  T535] Call Trace:
[   22.099031][  T535]  <TASK>
[   22.099103][  T535]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.099237][  T535]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.099337][  T535]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.099467][  T535]  __dev_notify_flags (net/core/dev.c:9787)
[   22.099602][  T535]  ? netif_change_name (net/core/dev.c:1495)
[   22.100210][  T535]  ? __dev_change_flags (net/core/dev.c:9752)
[   22.100345][  T535]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.100474][  T535]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.100608][  T535]  ? 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))
[   22.100747][  T535]  netif_change_flags (net/core/dev.c:9820)
[   22.100880][  T535]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   22.101014][  T535]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   22.101152][  T535]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.101284][  T535]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.101449][  T535]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.101581][  T535]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.101717][  T535]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.101848][  T535]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.101979][  T535]  ? __kernel_text_address (kernel/extable.c:79)
[   22.102117][  T535]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.102249][  T535]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.102379][  T535]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.102514][  T535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.102645][  T535]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.102783][  T535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.102914][  T535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.103044][  T535]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.103184][  T535]  ? __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)
[   22.103317][  T535]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.103449][  T535]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.103582][  T535]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.103720][  T535]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.103856][  T535]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.103989][  T535]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.104122][  T535]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.104254][  T535]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.104388][  T535]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.104520][  T535]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.104658][  T535]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.104791][  T535]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.104922][  T535]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.105053][  T535]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.105189][  T535]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.105321][  T535]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.105452][  T535]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.105585][  T535]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.105720][  T535]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.105855][  T535]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.105984][  T535]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.106121][  T535]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.106252][  T535]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.106382][  T535]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.106519][  T535]  ? 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))
[   22.106649][  T535]  ? 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))
[   22.106786][  T535]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.106919][  T535]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.107050][  T535]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.107187][  T535]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.107320][  T535]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.107453][  T535]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.107590][  T535]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.107727][  T535]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.107859][  T535]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.108021][  T535]  ? move_addr_to_kernel (net/socket.c:258)
[   22.108158][  T535]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.108288][  T535]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.108419][  T535]  ___sys_sendmsg (net/socket.c:2752)
[   22.108550][  T535]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.108718][  T535]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.108862][  T535]  __sys_sendmsg (net/socket.c:2784)
[   22.108993][  T535]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.109127][  T535]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.109292][  T535]  ? 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)
[   22.109423][  T535]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.109560][  T535]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.109694][  T535]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.109827][  T535]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.109958][  T535]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.110123][  T535] RIP: 0033:0x7f5d9f23308e
[   22.110259][  T535] 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
[   22.110732][  T535] RSP: 002b:00007fffd394ab20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.110931][  T535] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5d9f23308e
[   22.111132][  T535] RDX: 0000000000000000 RSI: 00007fffd394abd0 RDI: 0000000000000005
[   22.111326][  T535] RBP: 00007fffd394ab30 R08: 0000000000000000 R09: 0000000000000000
[   22.111524][  T535] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d840
[   22.111726][  T535] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd394b2a0
| [   22.242279][  T539] ------------[ cut here ]------------
| [   22.242430][  T539] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/539
| [   22.242671][  T539] Modules linked in: xfrm_user nf_tables
| [   22.243085][  T539] Tainted: [W]=WARN
[   22.243187][  T539] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.243353][  T539] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.243529][  T539] 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
[   22.244001][  T539] RSP: 0018:ffa0000000767a80 EFLAGS: 00010286
[   22.244170][  T539] RAX: 00000000ffffffa6 RBX: ff1100000ce10200 RCX: 1ff40000000ecf16
[   22.244367][  T539] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce102bc
[   22.244567][  T539] RBP: ff11000002654000 R08: 1fe22000019c2059 R09: ff1100000abaae80
[   22.244768][  T539] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   22.244963][  T539] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000002654000
[   22.245170][  T539] FS:  00007f14f2794840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   22.245403][  T539] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.245572][  T539] CR2: 00007f14f29a0690 CR3: 0000000014ca7002 CR4: 0000000000771ef0
[   22.245776][  T539] PKRU: 55555554
[   22.245874][  T539] Call Trace:
[   22.245973][  T539]  <TASK>
[   22.246041][  T539]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.246178][  T539]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.246311][  T539]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.246411][  T539]  register_netdevice (net/core/dev.c:11488)
[   22.246548][  T539]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.246717][  T539]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   22.246853][  T539]  register_netdev (net/core/dev.c:11552)
[   22.246985][  T539]  loopback_net_init (drivers/net/loopback.c:218)
[   22.247121][  T539]  ops_init (net/core/net_namespace.c:137)
[   22.247223][  T539]  setup_net (net/core/net_namespace.c:446)
[   22.247322][  T539]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.247454][  T539]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.247589][  T539]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.247730][  T539]  copy_net_ns (net/core/net_namespace.c:579)
[   22.247862][  T539]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.247996][  T539]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.248132][  T539]  ksys_unshare (kernel/fork.c:3243)
[   22.248263][  T539]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.248394][  T539]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.248529][  T539]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.248665][  T539]  ? __ia32_sys_open (fs/open.c:1374)
[   22.248797][  T539]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.248927][  T539]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.249058][  T539]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.249193][  T539]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.249323][  T539]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.249455][  T539]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.249623][  T539] RIP: 0033:0x7f14f2a56bcb
[   22.249765][  T539] 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
[   22.250236][  T539] RSP: 002b:00007ffdb6b65318 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.250433][  T539] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f14f2a56bcb
[   22.250631][  T539] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.250831][  T539] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.251026][  T539] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb6b67540
[   22.251225][  T539] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdb6b68887
| [   22.255407][  T539] ------------[ cut here ]------------
| [   22.255547][  T539] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/539
| [   22.255781][  T539] Modules linked in: xfrm_user nf_tables
| [   22.256181][  T539] Tainted: [W]=WARN
[   22.256279][  T539] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.256441][  T539] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.256612][  T539] 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
[   22.257091][  T539] RSP: 0018:ffa0000000767918 EFLAGS: 00010286
[   22.257255][  T539] RAX: 00000000ffffffa6 RBX: ff1100000dd271c0 RCX: 1ff40000000ecee9
[   22.257450][  T539] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd2727c
[   22.257645][  T539] RBP: ff11000001dd4000 R08: 1fe2200001ba4e51 R09: ff1100000abaae80
[   22.257846][  T539] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   22.258040][  T539] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001dd4000
[   22.258244][  T539] FS:  00007f14f2794840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   22.258473][  T539] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.258641][  T539] CR2: 00007f14f29a0690 CR3: 0000000014ca7002 CR4: 0000000000771ef0
[   22.258841][  T539] PKRU: 55555554
[   22.258939][  T539] Call Trace:
[   22.259035][  T539]  <TASK>
[   22.259108][  T539]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.259239][  T539]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.259370][  T539]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.259471][  T539]  register_netdevice (net/core/dev.c:11488)
[   22.259608][  T539]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.259776][  T539]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   22.259909][  T539]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   22.260040][  T539]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   22.260175][  T539]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   22.260306][  T539]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   22.260437][  T539]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   22.260574][  T539]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   22.260711][  T539]  ops_init (net/core/net_namespace.c:137)
[   22.260812][  T539]  setup_net (net/core/net_namespace.c:446)
[   22.260912][  T539]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.261042][  T539]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.261178][  T539]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.261310][  T539]  copy_net_ns (net/core/net_namespace.c:579)
[   22.261443][  T539]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.261579][  T539]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.261715][  T539]  ksys_unshare (kernel/fork.c:3243)
[   22.261845][  T539]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.261976][  T539]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.262113][  T539]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.262244][  T539]  ? __ia32_sys_open (fs/open.c:1374)
[   22.262377][  T539]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.262510][  T539]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.262640][  T539]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.262775][  T539]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.262904][  T539]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.263035][  T539]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.263201][  T539] RIP: 0033:0x7f14f2a56bcb
[   22.263335][  T539] 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
[   22.263809][  T539] RSP: 002b:00007ffdb6b65318 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.264005][  T539] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f14f2a56bcb
[   22.264206][  T539] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.264401][  T539] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.264597][  T539] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb6b67540
[   22.264795][  T539] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdb6b68887
| [   22.268603][  T539] ------------[ cut here ]------------
| [   22.268746][  T539] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/539
| [   22.268976][  T539] Modules linked in: xfrm_user nf_tables
| [   22.269387][  T539] Tainted: [W]=WARN
[   22.269489][  T539] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.269662][  T539] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.269833][  T539] 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
[   22.270309][  T539] RSP: 0018:ffa00000007678f8 EFLAGS: 00010286
[   22.270473][  T539] RAX: 00000000ffffffa6 RBX: ff11000008fec3c0 RCX: 1ff40000000ecee5
[   22.270678][  T539] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008fec47c
[   22.270873][  T539] RBP: ff11000010041000 R08: 1fe22000011fd891 R09: ff1100000abaae80
[   22.271070][  T539] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   22.271272][  T539] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010041000
[   22.271471][  T539] FS:  00007f14f2794840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   22.271710][  T539] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.271878][  T539] CR2: 00007f14f29a0690 CR3: 0000000014ca7002 CR4: 0000000000771ef0
[   22.272082][  T539] PKRU: 55555554
[   22.272181][  T539] Call Trace:
[   22.272278][  T539]  <TASK>
[   22.272347][  T539]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.272477][  T539]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.272611][  T539]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.272717][  T539]  register_netdevice (net/core/dev.c:11488)
[   22.272851][  T539]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.273016][  T539]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   22.273153][  T539]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   22.273284][  T539]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   22.273416][  T539]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   22.273552][  T539]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   22.273691][  T539]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   22.273824][  T539]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   22.273957][  T539]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   22.274094][  T539]  vti_init_net (net/ipv4/ip_vti.c:517)
[   22.274225][  T539]  ops_init (net/core/net_namespace.c:137)
[   22.274325][  T539]  setup_net (net/core/net_namespace.c:446)
[   22.274424][  T539]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.274559][  T539]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.274697][  T539]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.274831][  T539]  copy_net_ns (net/core/net_namespace.c:579)
[   22.274964][  T539]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.275102][  T539]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.275235][  T539]  ksys_unshare (kernel/fork.c:3243)
[   22.275367][  T539]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.275498][  T539]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.275633][  T539]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.275770][  T539]  ? __ia32_sys_open (fs/open.c:1374)
[   22.275903][  T539]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.276033][  T539]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.276169][  T539]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.276299][  T539]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.276430][  T539]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.276564][  T539]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.276730][  T539] RIP: 0033:0x7f14f2a56bcb
[   22.276866][  T539] 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
[   22.277337][  T539] RSP: 002b:00007ffdb6b65318 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.277540][  T539] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f14f2a56bcb
[   22.277740][  T539] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.277933][  T539] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.278132][  T539] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb6b67540
[   22.278328][  T539] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdb6b68887
| [   22.292250][  T539] ------------[ cut here ]------------
| [   22.292397][  T539] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/539
| [   22.292632][  T539] Modules linked in: xfrm_user nf_tables
| [   22.293050][  T539] Tainted: [W]=WARN
[   22.293153][  T539] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.293317][  T539] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.293491][  T539] 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
[   22.293963][  T539] RSP: 0018:ffa0000000767a78 EFLAGS: 00010286
[   22.294134][  T539] RAX: 00000000ffffffa6 RBX: ff1100000dd26040 RCX: 1ff40000000ecf15
[   22.294337][  T539] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd260fc
[   22.294535][  T539] RBP: ff11000012064000 R08: 1fe2200001ba4c21 R09: ff1100000abaae80
[   22.294735][  T539] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   22.294928][  T539] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012064000
[   22.295129][  T539] FS:  00007f14f2794840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   22.295357][  T539] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.295522][  T539] CR2: 00007f8c36643668 CR3: 0000000014ca7004 CR4: 0000000000771ef0
[   22.295726][  T539] PKRU: 55555554
[   22.295824][  T539] Call Trace:
[   22.295922][  T539]  <TASK>
[   22.295991][  T539]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.296125][  T539]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.296257][  T539]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.296357][  T539]  register_netdevice (net/core/dev.c:11488)
[   22.296490][  T539]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.296661][  T539]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.296794][  T539]  register_netdev (net/core/dev.c:11552)
[   22.296924][  T539]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   22.297057][  T539]  ops_init (net/core/net_namespace.c:137)
[   22.297162][  T539]  setup_net (net/core/net_namespace.c:446)
[   22.297261][  T539]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.297390][  T539]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.297522][  T539]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.297658][  T539]  copy_net_ns (net/core/net_namespace.c:579)
[   22.297791][  T539]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.297923][  T539]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.298053][  T539]  ksys_unshare (kernel/fork.c:3243)
[   22.298186][  T539]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.298316][  T539]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.298446][  T539]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.298578][  T539]  ? __ia32_sys_open (fs/open.c:1374)
[   22.298718][  T539]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.298847][  T539]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.298977][  T539]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.299112][  T539]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.299241][  T539]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.299370][  T539]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.299534][  T539] RIP: 0033:0x7f14f2a56bcb
[   22.299675][  T539] 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
[   22.300142][  T539] RSP: 002b:00007ffdb6b65318 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.300335][  T539] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f14f2a56bcb
[   22.300531][  T539] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.300735][  T539] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.300927][  T539] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb6b67540
[   22.301123][  T539] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdb6b68887
| [   22.305288][  T539] ------------[ cut here ]------------
| [   22.305426][  T539] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/539
| [   22.305663][  T539] Modules linked in: xfrm_user nf_tables
| [   22.306060][  T539] Tainted: [W]=WARN
[   22.306164][  T539] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.306328][  T539] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.306496][  T539] 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
[   22.306968][  T539] RSP: 0018:ffa0000000767a68 EFLAGS: 00010286
[   22.307140][  T539] RAX: 00000000ffffffa6 RBX: ff1100001246e3c0 RCX: 1ff40000000ecf13
[   22.307336][  T539] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e47c
[   22.307534][  T539] RBP: ff1100000e449000 R08: 1fe220000248dc91 R09: ff1100000abaae80
[   22.307731][  T539] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   22.307925][  T539] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e449000
[   22.308125][  T539] FS:  00007f14f2794840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   22.308353][  T539] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.308521][  T539] CR2: 00007f8c36643668 CR3: 0000000014ca7004 CR4: 0000000000771ef0
[   22.308721][  T539] PKRU: 55555554
[   22.308817][  T539] Call Trace:
[   22.308914][  T539]  <TASK>
[   22.308981][  T539]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.309117][  T539]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.309248][  T539]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.309349][  T539]  register_netdevice (net/core/dev.c:11488)
[   22.309480][  T539]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.309645][  T539]  register_netdev (net/core/dev.c:11552)
[   22.309781][  T539]  sit_init_net (net/ipv6/sit.c:1860)
[   22.309913][  T539]  ops_init (net/core/net_namespace.c:137)
[   22.310013][  T539]  setup_net (net/core/net_namespace.c:446)
[   22.310117][  T539]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.310248][  T539]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.310380][  T539]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.310515][  T539]  copy_net_ns (net/core/net_namespace.c:579)
[   22.310645][  T539]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.310782][  T539]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.310912][  T539]  ksys_unshare (kernel/fork.c:3243)
[   22.311042][  T539]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.311181][  T539]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.311311][  T539]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.311443][  T539]  ? __ia32_sys_open (fs/open.c:1374)
[   22.311578][  T539]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.311714][  T539]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.311844][  T539]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.311974][  T539]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.312109][  T539]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.312243][  T539]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.312402][  T539] RIP: 0033:0x7f14f2a56bcb
[   22.312542][  T539] 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
[   22.313010][  T539] RSP: 002b:00007ffdb6b65318 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.313213][  T539] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f14f2a56bcb
[   22.313406][  T539] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.313606][  T539] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.313805][  T539] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb6b67540
[   22.313999][  T539] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdb6b68887
| [   22.318568][  T539] ------------[ cut here ]------------
| [   22.318711][  T539] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/539
| [   22.318938][  T539] Modules linked in: xfrm_user nf_tables
| [   22.319341][  T539] Tainted: [W]=WARN
[   22.319440][  T539] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.319608][  T539] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.319786][  T539] 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
[   22.320251][  T539] RSP: 0018:ffa0000000767a78 EFLAGS: 00010286
[   22.320416][  T539] RAX: 00000000ffffffa6 RBX: ff1100001246c740 RCX: 1ff40000000ecf15
[   22.320615][  T539] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246c7fc
[   22.320817][  T539] RBP: ff11000009b11000 R08: 1fe220000248d901 R09: ff1100000abaae80
[   22.321012][  T539] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   22.321211][  T539] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b11000
[   22.321409][  T539] FS:  00007f14f2794840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   22.321641][  T539] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.321809][  T539] CR2: 00007f8c36643668 CR3: 0000000014ca7004 CR4: 0000000000771ef0
[   22.322007][  T539] PKRU: 55555554
[   22.322109][  T539] Call Trace:
[   22.322205][  T539]  <TASK>
[   22.322274][  T539]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.322404][  T539]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.322537][  T539]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.322636][  T539]  register_netdevice (net/core/dev.c:11488)
[   22.322775][  T539]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.322937][  T539]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.323068][  T539]  register_netdev (net/core/dev.c:11552)
[   22.323206][  T539]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   22.323336][  T539]  ops_init (net/core/net_namespace.c:137)
[   22.323436][  T539]  setup_net (net/core/net_namespace.c:446)
[   22.323538][  T539]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.323671][  T539]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.323800][  T539]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.323932][  T539]  copy_net_ns (net/core/net_namespace.c:579)
[   22.324066][  T539]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.324205][  T539]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.324336][  T539]  ksys_unshare (kernel/fork.c:3243)
[   22.324466][  T539]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.324599][  T539]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.324738][  T539]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.324868][  T539]  ? __ia32_sys_open (fs/open.c:1374)
[   22.325002][  T539]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.325137][  T539]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.325266][  T539]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.325396][  T539]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.325531][  T539]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.325666][  T539]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.325828][  T539] RIP: 0033:0x7f14f2a56bcb
[   22.325963][  T539] 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
[   22.326432][  T539] RSP: 002b:00007ffdb6b65318 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.326630][  T539] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f14f2a56bcb
[   22.326827][  T539] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.327020][  T539] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.327217][  T539] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb6b67540
[   22.327409][  T539] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdb6b68887
| [   22.352068][  T540] ------------[ cut here ]------------
| [   22.352220][  T540] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/540
| [   22.352445][  T540] Modules linked in: xfrm_user nf_tables
| [   22.352850][  T540] Tainted: [W]=WARN
[   22.352949][  T540] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.353116][  T540] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.353284][  T540] 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
[   22.353753][  T540] RSP: 0018:ffa00000007f7020 EFLAGS: 00010286
[   22.353917][  T540] RAX: 00000000ffffffa6 RBX: ff11000008fed380 RCX: 1ff40000000fedca
[   22.354113][  T540] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008fed43c
[   22.354303][  T540] RBP: ff11000002654000 R08: 1fe22000011fda89 R09: ff1100000fb05158
[   22.354492][  T540] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   22.354695][  T540] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.354888][  T540] FS:  00007f5f36868840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   22.355127][  T540] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.355287][  T540] CR2: 000000003d703988 CR3: 000000000e56a003 CR4: 0000000000771ef0
[   22.355480][  T540] PKRU: 55555554
[   22.355579][  T540] Call Trace:
[   22.355681][  T540]  <TASK>
[   22.355749][  T540]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.355885][  T540]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.355983][  T540]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.356116][  T540]  __dev_notify_flags (net/core/dev.c:9787)
[   22.356245][  T540]  ? netif_change_name (net/core/dev.c:1495)
[   22.356375][  T540]  ? __dev_change_flags (net/core/dev.c:9752)
[   22.356509][  T540]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.356639][  T540]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.356774][  T540]  ? 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))
[   22.356904][  T540]  netif_change_flags (net/core/dev.c:9820)
[   22.357034][  T540]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   22.357172][  T540]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   22.357304][  T540]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.357435][  T540]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.357600][  T540]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.357731][  T540]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.357858][  T540]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.357986][  T540]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.358121][  T540]  ? __kernel_text_address (kernel/extable.c:79)
[   22.358251][  T540]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.358380][  T540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.358511][  T540]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.358640][  T540]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.358774][  T540]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.358901][  T540]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.359027][  T540]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.359162][  T540]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.359292][  T540]  ? __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)
[   22.359420][  T540]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.359551][  T540]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.359686][  T540]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.359818][  T540]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.359949][  T540]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.360083][  T540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.360210][  T540]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.360339][  T540]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.360469][  T540]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.360601][  T540]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.360817][  T540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.361010][  T540]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.361147][  T540]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.361274][  T540]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.361404][  T540]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.361537][  T540]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.361738][  T540]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.361867][  T540]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.361995][  T540]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.362131][  T540]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.362259][  T540]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.362387][  T540]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.362520][  T540]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.362648][  T540]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.362841][  T540]  ? 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))
[   22.362969][  T540]  ? 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))
[   22.363105][  T540]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.363236][  T540]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.363365][  T540]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.363495][  T540]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.363629][  T540]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.363811][  T540]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.363943][  T540]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.364072][  T540]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.364206][  T540]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.364363][  T540]  ? move_addr_to_kernel (net/socket.c:258)
[   22.364493][  T540]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.364626][  T540]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.364840][  T540]  ___sys_sendmsg (net/socket.c:2752)
[   22.364967][  T540]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.365131][  T540]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.365272][  T540]  __sys_sendmsg (net/socket.c:2784)
[   22.365400][  T540]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.365531][  T540]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.365768][  T540]  ? 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)
[   22.365897][  T540]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.366029][  T540]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.366162][  T540]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.366290][  T540]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.366418][  T540]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.366581][  T540] RIP: 0033:0x7f5f36aa208e
[   22.366791][  T540] 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
[   22.367252][  T540] RSP: 002b:00007ffef08a0c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.367446][  T540] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f5f36aa208e
[   22.367642][  T540] RDX: 0000000000000000 RSI: 00007ffef08a0d30 RDI: 0000000000000005
[   22.367871][  T540] RBP: 00007ffef08a0c90 R08: 0000000000000000 R09: 0000000000000000
[   22.368064][  T540] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d840
[   22.368263][  T540] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef08a1400
| [   22.485924][  T544] ------------[ cut here ]------------
| [   22.486110][  T544] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/544
| [   22.486380][  T544] Modules linked in: xfrm_user nf_tables
| [   22.486887][  T544] Tainted: [W]=WARN
[   22.487028][  T544] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.487246][  T544] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.487459][  T544] 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
[   22.487978][  T544] RSP: 0018:ffa0000000837a80 EFLAGS: 00010286
[   22.488196][  T544] RAX: 00000000ffffffa6 RBX: ff1100000e5aa900 RCX: 1ff4000000106f16
[   22.488430][  T544] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5aa9bc
[   22.488686][  T544] RBP: ff1100000f8ec000 R08: 1fe2200001cb5539 R09: ff1100000fa72e80
[   22.488921][  T544] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.489167][  T544] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f8ec000
[   22.489404][  T544] FS:  00007f625abcd840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   22.489692][  T544] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.489899][  T544] CR2: 000055d3d5b6bd5c CR3: 000000001205f003 CR4: 0000000000771ef0
[   22.490145][  T544] PKRU: 55555554
[   22.490286][  T544] Call Trace:
[   22.490427][  T544]  <TASK>
[   22.490546][  T544]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.490734][  T544]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.490909][  T544]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.491054][  T544]  register_netdevice (net/core/dev.c:11488)
[   22.491241][  T544]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.491447][  T544]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   22.491627][  T544]  register_netdev (net/core/dev.c:11552)
[   22.491815][  T544]  loopback_net_init (drivers/net/loopback.c:218)
[   22.491991][  T544]  ops_init (net/core/net_namespace.c:137)
[   22.492147][  T544]  setup_net (net/core/net_namespace.c:446)
[   22.492293][  T544]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.492470][  T544]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.492662][  T544]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.492837][  T544]  copy_net_ns (net/core/net_namespace.c:579)
[   22.493012][  T544]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.493197][  T544]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.493371][  T544]  ksys_unshare (kernel/fork.c:3243)
[   22.493550][  T544]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.493739][  T544]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.493913][  T544]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.494095][  T544]  ? __ia32_sys_open (fs/open.c:1374)
[   22.494271][  T544]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.494443][  T544]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.494622][  T544]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.494806][  T544]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.494978][  T544]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.495166][  T544]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.495372][  T544] RIP: 0033:0x7f625ae8fbcb
[   22.495559][  T544] 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
[   22.496067][  T544] RSP: 002b:00007ffdaa847628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.496315][  T544] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f625ae8fbcb
[   22.496555][  T544] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.496803][  T544] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.497038][  T544] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdaa849850
[   22.497283][  T544] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdaa84a887
| [   22.501379][  T544] ------------[ cut here ]------------
| [   22.501554][  T544] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/544
| [   22.501835][  T544] Modules linked in: xfrm_user nf_tables
| [   22.502322][  T544] Tainted: [W]=WARN
[   22.502463][  T544] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.502687][  T544] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.502901][  T544] 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
[   22.503401][  T544] RSP: 0018:ffa0000000837918 EFLAGS: 00010286
[   22.503615][  T544] RAX: 00000000ffffffa6 RBX: ff1100001243ee40 RCX: 1ff4000000106ee9
[   22.503864][  T544] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243eefc
[   22.504104][  T544] RBP: ff1100000f884000 R08: 1fe2200002487de1 R09: ff1100000fa72e80
[   22.504337][  T544] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.504580][  T544] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f884000
[   22.504831][  T544] FS:  00007f625abcd840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   22.505107][  T544] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.505313][  T544] CR2: 000055d3d5b6bd5c CR3: 000000001205f003 CR4: 0000000000771ef0
[   22.505556][  T544] PKRU: 55555554
[   22.505709][  T544] Call Trace:
[   22.505850][  T544]  <TASK>
[   22.505961][  T544]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.506144][  T544]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.506319][  T544]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.506463][  T544]  register_netdevice (net/core/dev.c:11488)
[   22.506647][  T544]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.506865][  T544]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   22.507041][  T544]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   22.507223][  T544]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   22.507396][  T544]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   22.507578][  T544]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   22.507765][  T544]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   22.507939][  T544]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   22.508123][  T544]  ops_init (net/core/net_namespace.c:137)
[   22.508267][  T544]  setup_net (net/core/net_namespace.c:446)
[   22.508410][  T544]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.508592][  T544]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.508778][  T544]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.508953][  T544]  copy_net_ns (net/core/net_namespace.c:579)
[   22.509137][  T544]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.509312][  T544]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.509487][  T544]  ksys_unshare (kernel/fork.c:3243)
[   22.509679][  T544]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.509855][  T544]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.510028][  T544]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.510213][  T544]  ? __ia32_sys_open (fs/open.c:1374)
[   22.510390][  T544]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.510572][  T544]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.510763][  T544]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.510937][  T544]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.511117][  T544]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.511297][  T544]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.511595][  T544] RIP: 0033:0x7f625ae8fbcb
[   22.511787][  T544] 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
[   22.512374][  T544] RSP: 002b:00007ffdaa847628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.512619][  T544] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f625ae8fbcb
[   22.512948][  T544] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.513197][  T544] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.513434][  T544] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdaa849850
[   22.513778][  T544] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdaa84a887
| [   22.518727][  T544] ------------[ cut here ]------------
| [   22.518901][  T544] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/544
| [   22.519184][  T544] Modules linked in: xfrm_user nf_tables
| [   22.519771][  T544] Tainted: [W]=WARN
[   22.519916][  T544] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.520226][  T544] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.520442][  T544] 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
[   22.521054][  T544] RSP: 0018:ffa00000008378f8 EFLAGS: 00010286
[   22.521273][  T544] RAX: 00000000ffffffa6 RBX: ff110000057cc580 RCX: 1ff4000000106ee5
[   22.521520][  T544] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057cc63c
[   22.521862][  T544] RBP: ff1100000a261000 R08: 1fe2200000af98c9 R09: ff1100000fa72e80
[   22.522109][  T544] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.522435][  T544] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a261000
[   22.522699][  T544] FS:  00007f625abcd840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   22.522977][  T544] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.523283][  T544] CR2: 000055d3d5b6bd5c CR3: 000000001205f003 CR4: 0000000000771ef0
[   22.523531][  T544] PKRU: 55555554
[   22.523689][  T544] Call Trace:
[   22.523835][  T544]  <TASK>
[   22.524037][  T544]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.524222][  T544]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.524400][  T544]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.524554][  T544]  register_netdevice (net/core/dev.c:11488)
[   22.524832][  T544]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.525042][  T544]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   22.525227][  T544]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   22.525409][  T544]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   22.525691][  T544]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   22.525872][  T544]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   22.526051][  T544]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   22.526242][  T544]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   22.526508][  T544]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   22.526706][  T544]  vti_init_net (net/ipv4/ip_vti.c:517)
[   22.526886][  T544]  ops_init (net/core/net_namespace.c:137)
[   22.527037][  T544]  setup_net (net/core/net_namespace.c:446)
[   22.527192][  T544]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.527453][  T544]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.527641][  T544]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.527833][  T544]  copy_net_ns (net/core/net_namespace.c:579)
[   22.528014][  T544]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.528291][  T544]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.528476][  T544]  ksys_unshare (kernel/fork.c:3243)
[   22.528671][  T544]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.528848][  T544]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.529120][  T544]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.529301][  T544]  ? __ia32_sys_open (fs/open.c:1374)
[   22.529483][  T544]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.529677][  T544]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.529944][  T544]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.530135][  T544]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.530315][  T544]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.530495][  T544]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.530812][  T544] RIP: 0033:0x7f625ae8fbcb
[   22.530996][  T544] 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
[   22.531613][  T544] RSP: 002b:00007ffdaa847628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.531864][  T544] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f625ae8fbcb
[   22.532199][  T544] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.532441][  T544] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.532702][  T544] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdaa849850
[   22.533032][  T544] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdaa84a887
| [   22.537828][  T544] ------------[ cut here ]------------
| [   22.538002][  T544] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/544
| [   22.538360][  T544] Modules linked in: xfrm_user nf_tables
| [   22.538957][  T544] Tainted: [W]=WARN
[   22.539108][  T544] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.539317][  T544] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.539538][  T544] 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
[   22.540153][  T544] RSP: 0018:ffa0000000837a78 EFLAGS: 00010286
[   22.540451][  T544] RAX: 00000000ffffffa6 RBX: ff110000057cd380 RCX: 1ff4000000106f15
[   22.540713][  T544] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057cd43c
[   22.540952][  T544] RBP: ff11000014c31000 R08: 1fe2200000af9a89 R09: ff1100000fa72e80
[   22.541290][  T544] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.541533][  T544] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014c31000
[   22.541789][  T544] FS:  00007f625abcd840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   22.542155][  T544] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.542366][  T544] CR2: 000055d3d5b6bd5c CR3: 000000001205f003 CR4: 0000000000771ef0
[   22.542718][  T544] PKRU: 55555554
[   22.542861][  T544] Call Trace:
[   22.543005][  T544]  <TASK>
[   22.543126][  T544]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.543303][  T544]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.543572][  T544]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.543732][  T544]  register_netdevice (net/core/dev.c:11488)
[   22.543912][  T544]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.544122][  T544]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.544386][  T544]  register_netdev (net/core/dev.c:11552)
[   22.544574][  T544]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   22.544764][  T544]  ops_init (net/core/net_namespace.c:137)
[   22.544912][  T544]  setup_net (net/core/net_namespace.c:446)
[   22.545057][  T544]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.545326][  T544]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.545509][  T544]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.545708][  T544]  copy_net_ns (net/core/net_namespace.c:579)
[   22.545888][  T544]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.546157][  T544]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.546337][  T544]  ksys_unshare (kernel/fork.c:3243)
[   22.546516][  T544]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.546711][  T544]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.546972][  T544]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.547158][  T544]  ? __ia32_sys_open (fs/open.c:1374)
[   22.547338][  T544]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.547518][  T544]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.547793][  T544]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.547971][  T544]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.548153][  T544]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.548333][  T544]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.548633][  T544] RIP: 0033:0x7f625ae8fbcb
[   22.548828][  T544] 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
[   22.549430][  T544] RSP: 002b:00007ffdaa847628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.549694][  T544] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f625ae8fbcb
[   22.550020][  T544] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.550270][  T544] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.550511][  T544] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdaa849850
[   22.550854][  T544] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdaa84a887
| [   22.555662][  T544] ------------[ cut here ]------------
| [   22.555839][  T544] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/544
| [   22.556204][  T544] Modules linked in: xfrm_user nf_tables
| [   22.556714][  T544] Tainted: [W]=WARN
[   22.556858][  T544] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.557069][  T544] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.557292][  T544] 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
[   22.557901][  T544] RSP: 0018:ffa0000000837a68 EFLAGS: 00010286
[   22.558209][  T544] RAX: 00000000ffffffa6 RBX: ff1100001243fc40 RCX: 1ff4000000106f13
[   22.558452][  T544] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243fcfc
[   22.558712][  T544] RBP: ff11000014c1c000 R08: 1fe2200002487fa1 R09: ff1100000fa72e80
[   22.559037][  T544] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.559283][  T544] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014c1c000
[   22.559531][  T544] FS:  00007f625abcd840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   22.559904][  T544] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.560121][  T544] CR2: 000055d3d5b6bd5c CR3: 000000001205f003 CR4: 0000000000771ef0
[   22.560449][  T544] PKRU: 55555554
[   22.560599][  T544] Call Trace:
[   22.560755][  T544]  <TASK>
[   22.560877][  T544]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.561054][  T544]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.561322][  T544]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.561469][  T544]  register_netdevice (net/core/dev.c:11488)
[   22.561667][  T544]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.561880][  T544]  register_netdev (net/core/dev.c:11552)
[   22.562151][  T544]  sit_init_net (net/ipv6/sit.c:1860)
[   22.562333][  T544]  ops_init (net/core/net_namespace.c:137)
[   22.562478][  T544]  setup_net (net/core/net_namespace.c:446)
[   22.562628][  T544]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.562816][  T544]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.563088][  T544]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.563270][  T544]  copy_net_ns (net/core/net_namespace.c:579)
[   22.563449][  T544]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.563637][  T544]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.563912][  T544]  ksys_unshare (kernel/fork.c:3243)
[   22.564096][  T544]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.564275][  T544]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.564451][  T544]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.564734][  T544]  ? __ia32_sys_open (fs/open.c:1374)
[   22.564912][  T544]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.565095][  T544]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.565274][  T544]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.565537][  T544]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.565726][  T544]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.565903][  T544]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.566117][  T544] RIP: 0033:0x7f625ae8fbcb
[   22.566387][  T544] 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
[   22.567004][  T544] RSP: 002b:00007ffdaa847628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.567267][  T544] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f625ae8fbcb
[   22.567508][  T544] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.567854][  T544] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.568103][  T544] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdaa849850
[   22.568341][  T544] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdaa84a887
| [   22.578388][  T544] ------------[ cut here ]------------
| [   22.578570][  T544] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/544
| [   22.578855][  T544] Modules linked in: xfrm_user nf_tables
| [   22.579440][  T544] Tainted: [W]=WARN
[   22.579590][  T544] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.579815][  T544] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.580031][  T544] 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
[   22.580639][  T544] RSP: 0018:ffa0000000837a78 EFLAGS: 00010286
[   22.580949][  T544] RAX: 00000000ffffffa6 RBX: ff11000005f791c0 RCX: 1ff4000000106f15
[   22.581200][  T544] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005f7927c
[   22.581438][  T544] RBP: ff11000012379000 R08: 1fe2200000bef251 R09: ff1100000fa72e80
[   22.581783][  T544] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   22.582023][  T544] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012379000
[   22.582275][  T544] FS:  00007f625abcd840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   22.582644][  T544] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.582867][  T544] CR2: 000055d3d5b6bd5c CR3: 000000001205f003 CR4: 0000000000771ef0
[   22.583202][  T544] PKRU: 55555554
[   22.583346][  T544] Call Trace:
[   22.583489][  T544]  <TASK>
[   22.583613][  T544]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.583801][  T544]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.584061][  T544]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.584215][  T544]  register_netdevice (net/core/dev.c:11488)
[   22.584394][  T544]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.584608][  T544]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.584883][  T544]  register_netdev (net/core/dev.c:11552)
[   22.585064][  T544]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   22.585249][  T544]  ops_init (net/core/net_namespace.c:137)
[   22.585395][  T544]  setup_net (net/core/net_namespace.c:446)
[   22.585546][  T544]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.585817][  T544]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.585994][  T544]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.586180][  T544]  copy_net_ns (net/core/net_namespace.c:579)
[   22.586361][  T544]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.586634][  T544]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.586823][  T544]  ksys_unshare (kernel/fork.c:3243)
[   22.587000][  T544]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.587217][  T544]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.587507][  T544]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.587704][  T544]  ? __ia32_sys_open (fs/open.c:1374)
[   22.587891][  T544]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.588068][  T544]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.588339][  T544]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.588522][  T544]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.588712][  T544]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.588890][  T544]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.589186][  T544] RIP: 0033:0x7f625ae8fbcb
[   22.589369][  T544] 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
[   22.589983][  T544] RSP: 002b:00007ffdaa847628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.590232][  T544] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f625ae8fbcb
[   22.590560][  T544] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.590811][  T544] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.591045][  T544] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdaa849850
[   22.591371][  T544] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdaa84a887
| [   22.617308][  T545] ------------[ cut here ]------------
| [   22.617451][  T545] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/545
| [   22.617680][  T545] Modules linked in: xfrm_user nf_tables
| [   22.618066][  T545] Tainted: [W]=WARN
[   22.618170][  T545] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.618329][  T545] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.618494][  T545] 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
[   22.618951][  T545] RSP: 0018:ffa00000006f7020 EFLAGS: 00010286
[   22.619117][  T545] RAX: 00000000ffffffa6 RBX: ff1100001246d000 RCX: 1ff40000000dedca
[   22.619305][  T545] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246d0bc
[   22.619496][  T545] RBP: ff1100000f8ec000 R08: 1fe220000248da19 R09: ff11000008e6d158
[   22.619696][  T545] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   22.619886][  T545] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.620074][  T545] FS:  00007f870e416840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   22.620296][  T545] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.620455][  T545] CR2: 000000000f4a9988 CR3: 000000001205e002 CR4: 0000000000771ef0
[   22.620646][  T545] PKRU: 55555554
[   22.620748][  T545] Call Trace:
[   22.620842][  T545]  <TASK>
[   22.620907][  T545]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.621035][  T545]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.621143][  T545]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.621269][  T545]  __dev_notify_flags (net/core/dev.c:9787)
[   22.621396][  T545]  ? netif_change_name (net/core/dev.c:1495)
[   22.621526][  T545]  ? __dev_change_flags (net/core/dev.c:9752)
[   22.621659][  T545]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.621787][  T545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.621914][  T545]  ? 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))
[   22.622042][  T545]  netif_change_flags (net/core/dev.c:9820)
[   22.622171][  T545]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   22.622298][  T545]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   22.622427][  T545]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.622561][  T545]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.622725][  T545]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.622852][  T545]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.622977][  T545]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.623108][  T545]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.623234][  T545]  ? __kernel_text_address (kernel/extable.c:79)
[   22.623360][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.623487][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.623617][  T545]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.623749][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.623876][  T545]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.624000][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.624132][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.624259][  T545]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.624386][  T545]  ? __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)
[   22.624514][  T545]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.624641][  T545]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.624773][  T545]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.624902][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.625030][  T545]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.625166][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.625290][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.625416][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.625545][  T545]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.625675][  T545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.625804][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.625930][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.626055][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.626187][  T545]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.626316][  T545]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.626443][  T545]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.626571][  T545]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.626775][  T545]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.626901][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.627029][  T545]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.627158][  T545]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.627284][  T545]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.627411][  T545]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.627540][  T545]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.627742][  T545]  ? 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))
[   22.627867][  T545]  ? 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))
[   22.627994][  T545]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.628124][  T545]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.628251][  T545]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.628381][  T545]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.628512][  T545]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.628640][  T545]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.628846][  T545]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.628973][  T545]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.629103][  T545]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.629258][  T545]  ? move_addr_to_kernel (net/socket.c:258)
[   22.629384][  T545]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.629513][  T545]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.629640][  T545]  ___sys_sendmsg (net/socket.c:2752)
[   22.629818][  T545]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.629974][  T545]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.630118][  T545]  __sys_sendmsg (net/socket.c:2784)
[   22.630246][  T545]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.630371][  T545]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.630545][  T545]  ? 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)
[   22.630740][  T545]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.630866][  T545]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.630991][  T545]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.631120][  T545]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.631245][  T545]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.631400][  T545] RIP: 0033:0x7f870e65008e
[   22.631536][  T545] 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
[   22.632059][  T545] RSP: 002b:00007ffc25e6de10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.632255][  T545] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f870e65008e
[   22.632445][  T545] RDX: 0000000000000000 RSI: 00007ffc25e6dec0 RDI: 0000000000000005
[   22.632635][  T545] RBP: 00007ffc25e6de20 R08: 0000000000000000 R09: 0000000000000000
[   22.632859][  T545] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d840
[   22.633046][  T545] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc25e6e590
| [   22.751428][  T549] ------------[ cut here ]------------
| [   22.751578][  T549] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/549
| [   22.751812][  T549] Modules linked in: xfrm_user nf_tables
| [   22.752212][  T549] Tainted: [W]=WARN
[   22.752308][  T549] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.752467][  T549] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.752637][  T549] 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
[   22.753104][  T549] RSP: 0018:ffa0000000877a80 EFLAGS: 00010286
[   22.753265][  T549] RAX: 00000000ffffffa6 RBX: ff11000005f79c40 RCX: 1ff400000010ef16
[   22.753457][  T549] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005f79cfc
[   22.753657][  T549] RBP: ff1100000f264000 R08: 1fe2200000bef3a1 R09: ff11000009c20b80
[   22.753848][  T549] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   22.754039][  T549] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f264000
[   22.754239][  T549] FS:  00007ff947c3c840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   22.754463][  T549] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.754630][  T549] CR2: 00007ff947e3dc20 CR3: 000000000e7f7002 CR4: 0000000000771ef0
[   22.754826][  T549] PKRU: 55555554
[   22.754923][  T549] Call Trace:
[   22.755018][  T549]  <TASK>
[   22.755091][  T549]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.755221][  T549]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.755349][  T549]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.755447][  T549]  register_netdevice (net/core/dev.c:11488)
[   22.755578][  T549]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.755743][  T549]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   22.755873][  T549]  register_netdev (net/core/dev.c:11552)
[   22.756000][  T549]  loopback_net_init (drivers/net/loopback.c:218)
[   22.756134][  T549]  ops_init (net/core/net_namespace.c:137)
[   22.756233][  T549]  setup_net (net/core/net_namespace.c:446)
[   22.756329][  T549]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.756457][  T549]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.756589][  T549]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.756724][  T549]  copy_net_ns (net/core/net_namespace.c:579)
[   22.756853][  T549]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.756984][  T549]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.757117][  T549]  ksys_unshare (kernel/fork.c:3243)
[   22.757244][  T549]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.757371][  T549]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.757499][  T549]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.757630][  T549]  ? __ia32_sys_open (fs/open.c:1374)
[   22.757764][  T549]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.757891][  T549]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.758019][  T549]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.758151][  T549]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.758278][  T549]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.758407][  T549]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.758568][  T549] RIP: 0033:0x7ff947efebcb
[   22.759073][  T549] 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
[   22.759538][  T549] RSP: 002b:00007ffcab294e88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.759737][  T549] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff947efebcb
[   22.759927][  T549] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.760123][  T549] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.760313][  T549] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcab2970b0
[   22.760506][  T549] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcab297887
| [   22.764581][  T549] ------------[ cut here ]------------
| [   22.764722][  T549] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/549
| [   22.764945][  T549] Modules linked in: xfrm_user nf_tables
| [   22.765342][  T549] Tainted: [W]=WARN
[   22.765439][  T549] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.765604][  T549] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.765779][  T549] 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
[   22.766243][  T549] RSP: 0018:ffa0000000877918 EFLAGS: 00010286
[   22.766403][  T549] RAX: 00000000ffffffa6 RBX: ff1100000baf91c0 RCX: 1ff400000010eee9
[   22.766600][  T549] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baf927c
[   22.766797][  T549] RBP: ff11000009af1000 R08: 1fe220000175f251 R09: ff11000009c20b80
[   22.766991][  T549] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   22.767185][  T549] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009af1000
[   22.767380][  T549] FS:  00007ff947c3c840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   22.767610][  T549] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.767960][  T549] CR2: 00007ff947e3dc20 CR3: 000000000e7f7002 CR4: 0000000000771ef0
[   22.768163][  T549] PKRU: 55555554
[   22.768261][  T549] Call Trace:
[   22.768357][  T549]  <TASK>
[   22.768424][  T549]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.768558][  T549]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.768694][  T549]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.768793][  T549]  register_netdevice (net/core/dev.c:11488)
[   22.768924][  T549]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.769089][  T549]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   22.769220][  T549]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   22.769349][  T549]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   22.769477][  T549]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   22.769612][  T549]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   22.769746][  T549]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   22.769878][  T549]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   22.770009][  T549]  ops_init (net/core/net_namespace.c:137)
[   22.770114][  T549]  setup_net (net/core/net_namespace.c:446)
[   22.770212][  T549]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.770341][  T549]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.770470][  T549]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.770605][  T549]  copy_net_ns (net/core/net_namespace.c:579)
[   22.770743][  T549]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.770875][  T549]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.771004][  T549]  ksys_unshare (kernel/fork.c:3243)
[   22.771141][  T549]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.771270][  T549]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.771400][  T549]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.771534][  T549]  ? __ia32_sys_open (fs/open.c:1374)
[   22.771669][  T549]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.771799][  T549]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.771927][  T549]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.772057][  T549]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.772193][  T549]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.772323][  T549]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.772486][  T549] RIP: 0033:0x7ff947efebcb
[   22.772625][  T549] 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
[   22.773093][  T549] RSP: 002b:00007ffcab294e88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.773289][  T549] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff947efebcb
[   22.773485][  T549] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.773688][  T549] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.773882][  T549] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcab2970b0
[   22.774074][  T549] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcab297887
| [   22.777845][  T549] ------------[ cut here ]------------
| [   22.777977][  T549] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/549
| [   22.778209][  T549] Modules linked in: xfrm_user nf_tables
| [   22.778613][  T549] Tainted: [W]=WARN
[   22.778719][  T549] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.778885][  T549] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.779057][  T549] 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
[   22.779531][  T549] RSP: 0018:ffa00000008778f8 EFLAGS: 00010286
[   22.779700][  T549] RAX: 00000000ffffffa6 RBX: ff11000012252580 RCX: 1ff400000010eee5
[   22.779898][  T549] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001225263c
[   22.780101][  T549] RBP: ff11000010294000 R08: 1fe220000244a4c9 R09: ff11000009c20b80
[   22.780298][  T549] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   22.780494][  T549] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010294000
[   22.780700][  T549] FS:  00007ff947c3c840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   22.780933][  T549] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.781104][  T549] CR2: 00007ff947e3dc20 CR3: 000000000e7f7002 CR4: 0000000000771ef0
[   22.781302][  T549] PKRU: 55555554
[   22.781401][  T549] Call Trace:
[   22.781499][  T549]  <TASK>
[   22.781571][  T549]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.781709][  T549]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.781840][  T549]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.781942][  T549]  register_netdevice (net/core/dev.c:11488)
[   22.782081][  T549]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.782244][  T549]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   22.782378][  T549]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   22.782513][  T549]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   22.782646][  T549]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   22.782784][  T549]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   22.782917][  T549]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   22.783051][  T549]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   22.783186][  T549]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   22.783320][  T549]  vti_init_net (net/ipv4/ip_vti.c:517)
[   22.783451][  T549]  ops_init (net/core/net_namespace.c:137)
[   22.783553][  T549]  setup_net (net/core/net_namespace.c:446)
[   22.783658][  T549]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.783790][  T549]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.783922][  T549]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.784055][  T549]  copy_net_ns (net/core/net_namespace.c:579)
[   22.784192][  T549]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.784327][  T549]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.784459][  T549]  ksys_unshare (kernel/fork.c:3243)
[   22.784598][  T549]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.784733][  T549]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.784865][  T549]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.784998][  T549]  ? __ia32_sys_open (fs/open.c:1374)
[   22.785138][  T549]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.785269][  T549]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.785401][  T549]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.785537][  T549]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.785679][  T549]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.785812][  T549]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.785976][  T549] RIP: 0033:0x7ff947efebcb
[   22.786119][  T549] 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
[   22.786592][  T549] RSP: 002b:00007ffcab294e88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.786796][  T549] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff947efebcb
[   22.786993][  T549] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.787194][  T549] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.787391][  T549] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcab2970b0
[   22.787590][  T549] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcab297887
| [   22.791638][  T549] ------------[ cut here ]------------
| [   22.792263][  T549] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/549
| [   22.792489][  T549] Modules linked in: xfrm_user nf_tables
| [   22.792945][  T549] Tainted: [W]=WARN
[   22.793044][  T549] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.793212][  T549] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.793381][  T549] 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
[   22.793901][  T549] RSP: 0018:ffa0000000877a78 EFLAGS: 00010286
[   22.794067][  T549] RAX: 00000000ffffffa6 RBX: ff11000012253540 RCX: 1ff400000010ef15
[   22.794266][  T549] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000122535fc
[   22.794458][  T549] RBP: ff11000012bbc000 R08: 1fe220000244a6c1 R09: ff11000009c20b80
[   22.794712][  T549] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   22.794908][  T549] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012bbc000
[   22.795110][  T549] FS:  00007ff947c3c840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   22.795412][  T549] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.795616][  T549] CR2: 00007ff947e3dc20 CR3: 000000000e7f7002 CR4: 0000000000771ef0
[   22.795938][  T549] PKRU: 55555554
[   22.796083][  T549] Call Trace:
[   22.796212][  T549]  <TASK>
[   22.796309][  T549]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.796479][  T549]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.796613][  T549]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.796768][  T549]  register_netdevice (net/core/dev.c:11488)
[   22.796901][  T549]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.797096][  T549]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.797233][  T549]  register_netdev (net/core/dev.c:11552)
[   22.797363][  T549]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   22.797496][  T549]  ops_init (net/core/net_namespace.c:137)
[   22.797600][  T549]  setup_net (net/core/net_namespace.c:446)
[   22.797751][  T549]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.797879][  T549]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.798011][  T549]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.798149][  T549]  copy_net_ns (net/core/net_namespace.c:579)
[   22.798280][  T549]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.798412][  T549]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.798546][  T549]  ksys_unshare (kernel/fork.c:3243)
[   22.798731][  T549]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.798860][  T549]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.798990][  T549]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.799124][  T549]  ? __ia32_sys_open (fs/open.c:1374)
[   22.799256][  T549]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.799385][  T549]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.799515][  T549]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.799644][  T549]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.799829][  T549]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.799958][  T549]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.800122][  T549] RIP: 0033:0x7ff947efebcb
[   22.800256][  T549] 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
[   22.800774][  T549] RSP: 002b:00007ffcab294e88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.800969][  T549] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff947efebcb
[   22.801168][  T549] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.801359][  T549] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.801551][  T549] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcab2970b0
[   22.801798][  T549] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcab297887
| [   22.817778][  T549] ------------[ cut here ]------------
| [   22.817930][  T549] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/549
| [   22.818160][  T549] Modules linked in: xfrm_user nf_tables
| [   22.818557][  T549] Tainted: [W]=WARN
[   22.818661][  T549] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.818827][  T549] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.818995][  T549] 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
[   22.819459][  T549] RSP: 0018:ffa0000000877a68 EFLAGS: 00010286
[   22.819624][  T549] RAX: 00000000ffffffa6 RBX: ff1100000fee4200 RCX: 1ff400000010ef13
[   22.819819][  T549] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fee42bc
[   22.820012][  T549] RBP: ff110000087d9000 R08: 1fe2200001fdc859 R09: ff11000009c20b80
[   22.820208][  T549] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   22.820397][  T549] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000087d9000
[   22.820594][  T549] FS:  00007ff947c3c840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   22.820828][  T549] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.820989][  T549] CR2: 000055d3d5a201ad CR3: 000000000e7f7004 CR4: 0000000000771ef0
[   22.821185][  T549] PKRU: 55555554
[   22.821281][  T549] Call Trace:
[   22.821377][  T549]  <TASK>
[   22.821443][  T549]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.821575][  T549]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.821712][  T549]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.821809][  T549]  register_netdevice (net/core/dev.c:11488)
[   22.821944][  T549]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.822112][  T549]  register_netdev (net/core/dev.c:11552)
[   22.822240][  T549]  sit_init_net (net/ipv6/sit.c:1860)
[   22.822370][  T549]  ops_init (net/core/net_namespace.c:137)
[   22.822469][  T549]  setup_net (net/core/net_namespace.c:446)
[   22.822570][  T549]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.822704][  T549]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.822833][  T549]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.822963][  T549]  copy_net_ns (net/core/net_namespace.c:579)
[   22.823099][  T549]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.823232][  T549]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.823361][  T549]  ksys_unshare (kernel/fork.c:3243)
[   22.823491][  T549]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.823623][  T549]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.823757][  T549]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.823886][  T549]  ? __ia32_sys_open (fs/open.c:1374)
[   22.824015][  T549]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.824146][  T549]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.824275][  T549]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.824403][  T549]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.824537][  T549]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.824668][  T549]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.824825][  T549] RIP: 0033:0x7ff947efebcb
[   22.824958][  T549] 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
[   22.825419][  T549] RSP: 002b:00007ffcab294e88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.825612][  T549] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff947efebcb
[   22.825807][  T549] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.825996][  T549] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.826192][  T549] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcab2970b0
[   22.826384][  T549] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcab297887
| [   22.830501][  T549] ------------[ cut here ]------------
| [   22.830638][  T549] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/549
| [   22.830863][  T549] Modules linked in: xfrm_user nf_tables
| [   22.831256][  T549] Tainted: [W]=WARN
[   22.831351][  T549] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.831514][  T549] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.831685][  T549] 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
[   22.832143][  T549] RSP: 0018:ffa0000000877a78 EFLAGS: 00010286
[   22.832303][  T549] RAX: 00000000ffffffa6 RBX: ff1100000ce103c0 RCX: 1ff400000010ef15
[   22.832491][  T549] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce1047c
[   22.832688][  T549] RBP: ff1100000fba9000 R08: 1fe22000019c2091 R09: ff11000009c20b80
[   22.832877][  T549] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   22.833067][  T549] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fba9000
[   22.833265][  T549] FS:  00007ff947c3c840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   22.833487][  T549] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.833649][  T549] CR2: 000055d3d5a201ad CR3: 000000000e7f7004 CR4: 0000000000771ef0
[   22.833845][  T549] PKRU: 55555554
[   22.833943][  T549] Call Trace:
[   22.834037][  T549]  <TASK>
[   22.834109][  T549]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.834237][  T549]  ? notifier_call_chain (kernel/notifier.c:85)
[   22.834364][  T549]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.834461][  T549]  register_netdevice (net/core/dev.c:11488)
[   22.834593][  T549]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   22.834755][  T549]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.834886][  T549]  register_netdev (net/core/dev.c:11552)
[   22.835012][  T549]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   22.835146][  T549]  ops_init (net/core/net_namespace.c:137)
[   22.835242][  T549]  setup_net (net/core/net_namespace.c:446)
[   22.835338][  T549]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   22.835466][  T549]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   22.835597][  T549]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   22.836219][  T549]  copy_net_ns (net/core/net_namespace.c:579)
[   22.836351][  T549]  create_new_namespaces (kernel/nsproxy.c:132)
[   22.836480][  T549]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   22.836609][  T549]  ksys_unshare (kernel/fork.c:3243)
[   22.836790][  T549]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   22.836918][  T549]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   22.837044][  T549]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   22.837180][  T549]  ? __ia32_sys_open (fs/open.c:1374)
[   22.837309][  T549]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   22.837435][  T549]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   22.837565][  T549]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.837744][  T549]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.837871][  T549]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.837997][  T549]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.838160][  T549] RIP: 0033:0x7ff947efebcb
[   22.838295][  T549] 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
[   22.838808][  T549] RSP: 002b:00007ffcab294e88 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   22.839001][  T549] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff947efebcb
[   22.839200][  T549] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   22.839388][  T549] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   22.839578][  T549] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcab2970b0
[   22.839819][  T549] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcab297887
| [   22.864385][  T550] ------------[ cut here ]------------
| [   22.864560][  T550] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/550
| [   22.865345][  T550] Modules linked in: xfrm_user nf_tables
| [   22.865825][  T550] Tainted: [W]=WARN
[   22.865963][  T550] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   22.866169][  T550] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   22.866377][  T550] 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
[   22.866880][  T550] RSP: 0018:ffa0000000887020 EFLAGS: 00010286
[   22.867088][  T550] RAX: 00000000ffffffa6 RBX: ff110000057cde00 RCX: 1ff4000000110dca
[   22.867316][  T550] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057cdebc
[   22.867551][  T550] RBP: ff1100000f264000 R08: 1fe2200000af9bd9 R09: ff11000009c22e58
[   22.867794][  T550] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   22.868023][  T550] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   22.868263][  T550] FS:  00007ff453449840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   22.868527][  T550] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   22.868740][  T550] CR2: 000000000dfdf988 CR3: 0000000014d60005 CR4: 0000000000771ef0
[   22.868973][  T550] PKRU: 55555554
[   22.869117][  T550] Call Trace:
[   22.869255][  T550]  <TASK>
[   22.869364][  T550]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   22.869540][  T550]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   22.869694][  T550]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   22.869863][  T550]  __dev_notify_flags (net/core/dev.c:9787)
[   22.870034][  T550]  ? netif_change_name (net/core/dev.c:1495)
[   22.870215][  T550]  ? __dev_change_flags (net/core/dev.c:9752)
[   22.870386][  T550]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   22.870563][  T550]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.870747][  T550]  ? 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))
[   22.870919][  T550]  netif_change_flags (net/core/dev.c:9820)
[   22.871096][  T550]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   22.871271][  T550]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   22.871446][  T550]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   22.871623][  T550]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   22.871836][  T550]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   22.872007][  T550]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.872183][  T550]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   22.872352][  T550]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.872527][  T550]  ? __kernel_text_address (kernel/extable.c:79)
[   22.872711][  T550]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.872884][  T550]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.873054][  T550]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.873231][  T550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.873401][  T550]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   22.873578][  T550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.873761][  T550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.873933][  T550]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   22.874111][  T550]  ? __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)
[   22.874281][  T550]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   22.874452][  T550]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   22.874631][  T550]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   22.874817][  T550]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   22.874990][  T550]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   22.875176][  T550]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.875344][  T550]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.875519][  T550]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.875700][  T550]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   22.875870][  T550]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.876043][  T550]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.876215][  T550]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.876387][  T550]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.876566][  T550]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   22.876749][  T550]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   22.876919][  T550]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   22.877097][  T550]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.877267][  T550]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.877436][  T550]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.877615][  T550]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   22.877797][  T550]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   22.877969][  T550]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   22.878148][  T550]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   22.878318][  T550]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   22.878491][  T550]  ? 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))
[   22.878680][  T550]  ? 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))
[   22.878854][  T550]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   22.879027][  T550]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   22.879209][  T550]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   22.879380][  T550]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   22.879559][  T550]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   22.879743][  T550]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   22.879916][  T550]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   22.880093][  T550]  ? copy_msghdr_from_user (net/socket.c:2635)
[   22.880264][  T550]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   22.880465][  T550]  ? move_addr_to_kernel (net/socket.c:258)
[   22.880644][  T550]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   22.880829][  T550]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   22.881001][  T550]  ___sys_sendmsg (net/socket.c:2752)
[   22.881179][  T550]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   22.881381][  T550]  ? copy_msghdr_from_user (net/socket.c:2603)
[   22.881570][  T550]  __sys_sendmsg (net/socket.c:2784)
[   22.881757][  T550]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   22.881926][  T550]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   22.882140][  T550]  ? 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)
[   22.882312][  T550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   22.882484][  T550]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   22.882675][  T550]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   22.882846][  T550]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   22.883018][  T550]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   22.883228][  T550] RIP: 0033:0x7ff45368308e
[   22.883403][  T550] 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
[   22.883909][  T550] RSP: 002b:00007fff8eb4f540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   22.884154][  T550] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff45368308e
[   22.884386][  T550] RDX: 0000000000000000 RSI: 00007fff8eb4f5f0 RDI: 0000000000000005
[   22.884624][  T550] RBP: 00007fff8eb4f550 R08: 0000000000000000 R09: 0000000000000000
[   22.884867][  T550] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d841
[   22.885107][  T550] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8eb4fcc0
| [   23.000591][  T554] ------------[ cut here ]------------
| [   23.001265][  T554] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/554
| [   23.001602][  T554] Modules linked in: xfrm_user nf_tables
| [   23.002222][  T554] Tainted: [W]=WARN
[   23.002420][  T554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.002705][  T554] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.002979][  T554] 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
[   23.003570][  T554] RSP: 0018:ffa00000008f7a80 EFLAGS: 00010286
[   23.003845][  T554] RAX: 00000000ffffffa6 RBX: ff1100001246ba80 RCX: 1ff400000011ef16
[   23.004143][  T554] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246bb3c
[   23.004434][  T554] RBP: ff11000009b64000 R08: 1fe220000248d769 R09: ff11000012bb0b80
[   23.004746][  T554] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.005038][  T554] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b64000
[   23.005342][  T554] FS:  00007fdd24520840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   23.005691][  T554] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.005955][  T554] CR2: 00007fdd24727430 CR3: 000000000d4cf005 CR4: 0000000000771ef0
[   23.006260][  T554] PKRU: 55555554
[   23.006458][  T554] Call Trace:
[   23.006677][  T554]  <TASK>
[   23.006844][  T554]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.007074][  T554]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.007315][  T554]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.007520][  T554]  register_netdevice (net/core/dev.c:11488)
[   23.007764][  T554]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.008026][  T554]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.008265][  T554]  register_netdev (net/core/dev.c:11552)
[   23.008497][  T554]  loopback_net_init (drivers/net/loopback.c:218)
[   23.008749][  T554]  ops_init (net/core/net_namespace.c:137)
[   23.008950][  T554]  setup_net (net/core/net_namespace.c:446)
[   23.009156][  T554]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.009386][  T554]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.009623][  T554]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.009867][  T554]  copy_net_ns (net/core/net_namespace.c:579)
[   23.010106][  T554]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.010338][  T554]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.010574][  T554]  ksys_unshare (kernel/fork.c:3243)
[   23.010828][  T554]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.011056][  T554]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.011292][  T554]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.011531][  T554]  ? __ia32_sys_open (fs/open.c:1374)
[   23.011774][  T554]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.012002][  T554]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.012265][  T554]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.012510][  T554]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.012788][  T554]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.013035][  T554]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.013301][  T554] RIP: 0033:0x7fdd247e2bcb
[   23.013554][  T554] 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
[   23.014067][  T554] RSP: 002b:00007ffc047367a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.014318][  T554] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdd247e2bcb
[   23.014565][  T554] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.014817][  T554] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.015057][  T554] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc047389d0
[   23.015303][  T554] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc0473a888
| [   23.020281][  T554] ------------[ cut here ]------------
| [   23.020456][  T554] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/554
| [   23.020748][  T554] Modules linked in: xfrm_user nf_tables
| [   23.021241][  T554] Tainted: [W]=WARN
[   23.021384][  T554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.021596][  T554] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.021825][  T554] 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
[   23.022336][  T554] RSP: 0018:ffa00000008f7918 EFLAGS: 00010286
[   23.022549][  T554] RAX: 00000000ffffffa6 RBX: ff1100001010e900 RCX: 1ff400000011eee9
[   23.023305][  T554] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001010e9bc
[   23.023604][  T554] RBP: ff1100000e4f1000 R08: 1fe2200002021d39 R09: ff11000012bb0b80
[   23.023917][  T554] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.024220][  T554] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e4f1000
[   23.024517][  T554] FS:  00007fdd24520840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   23.024853][  T554] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.025121][  T554] CR2: 00007fdd24727430 CR3: 000000000d4cf005 CR4: 0000000000771ef0
[   23.025417][  T554] PKRU: 55555554
[   23.025618][  T554] Call Trace:
[   23.025822][  T554]  <TASK>
[   23.025987][  T554]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.026225][  T554]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.026451][  T554]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.026669][  T554]  register_netdevice (net/core/dev.c:11488)
[   23.026897][  T554]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.027167][  T554]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.027397][  T554]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   23.027633][  T554]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   23.027874][  T554]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   23.028111][  T554]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   23.028339][  T554]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   23.028575][  T554]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   23.028823][  T554]  ops_init (net/core/net_namespace.c:137)
[   23.029020][  T554]  setup_net (net/core/net_namespace.c:446)
[   23.029226][  T554]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.029429][  T554]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.029612][  T554]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.029802][  T554]  copy_net_ns (net/core/net_namespace.c:579)
[   23.029980][  T554]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.030173][  T554]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.030351][  T554]  ksys_unshare (kernel/fork.c:3243)
[   23.030529][  T554]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.030718][  T554]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.030893][  T554]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.031070][  T554]  ? __ia32_sys_open (fs/open.c:1374)
[   23.031256][  T554]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.031430][  T554]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.031613][  T554]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.031802][  T554]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.031977][  T554]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.032157][  T554]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.032362][  T554] RIP: 0033:0x7fdd247e2bcb
[   23.032549][  T554] 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
[   23.033059][  T554] RSP: 002b:00007ffc047367a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.033305][  T554] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdd247e2bcb
[   23.033547][  T554] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.033798][  T554] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.034033][  T554] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc047389d0
[   23.034277][  T554] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc0473a888
| [   23.045376][  T554] ------------[ cut here ]------------
| [   23.045552][  T554] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/554
| [   23.045835][  T554] Modules linked in: xfrm_user nf_tables
| [   23.046328][  T554] Tainted: [W]=WARN
[   23.046471][  T554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.046694][  T554] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.046908][  T554] 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
[   23.047411][  T554] RSP: 0018:ffa00000008f78f8 EFLAGS: 00010286
[   23.047625][  T554] RAX: 00000000ffffffa6 RBX: ff1100001246a200 RCX: 1ff400000011eee5
[   23.047925][  T554] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246a2bc
[   23.048169][  T554] RBP: ff1100000f9f1000 R08: 1fe220000248d459 R09: ff11000012bb0b80
[   23.048406][  T554] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.048648][  T554] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f9f1000
[   23.048902][  T554] FS:  00007fdd24520840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   23.049179][  T554] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.049389][  T554] CR2: 00007fdd24727430 CR3: 000000000d4cf005 CR4: 0000000000771ef0
[   23.049636][  T554] PKRU: 55555554
[   23.049790][  T554] Call Trace:
[   23.049932][  T554]  <TASK>
[   23.050045][  T554]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.050223][  T554]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.050399][  T554]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.050549][  T554]  register_netdevice (net/core/dev.c:11488)
[   23.050736][  T554]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.050941][  T554]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.051124][  T554]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   23.051299][  T554]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   23.051473][  T554]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   23.051669][  T554]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   23.051846][  T554]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   23.052020][  T554]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   23.052202][  T554]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.052379][  T554]  vti_init_net (net/ipv4/ip_vti.c:517)
[   23.052562][  T554]  ops_init (net/core/net_namespace.c:137)
[   23.052721][  T554]  setup_net (net/core/net_namespace.c:446)
[   23.052866][  T554]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.053038][  T554]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.053219][  T554]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.053396][  T554]  copy_net_ns (net/core/net_namespace.c:579)
[   23.053580][  T554]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.053767][  T554]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.053942][  T554]  ksys_unshare (kernel/fork.c:3243)
[   23.054123][  T554]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.054297][  T554]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.054472][  T554]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.054665][  T554]  ? __ia32_sys_open (fs/open.c:1374)
[   23.054843][  T554]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.055017][  T554]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.055199][  T554]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.055372][  T554]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.055551][  T554]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.055736][  T554]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.055940][  T554] RIP: 0033:0x7fdd247e2bcb
[   23.056124][  T554] 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
[   23.056630][  T554] RSP: 002b:00007ffc047367a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.056882][  T554] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdd247e2bcb
[   23.057122][  T554] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.057357][  T554] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.057601][  T554] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc047389d0
[   23.057849][  T554] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc0473a888
| [   23.062203][  T554] ------------[ cut here ]------------
| [   23.062372][  T554] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/554
| [   23.062646][  T554] Modules linked in: xfrm_user nf_tables
| [   23.063145][  T554] Tainted: [W]=WARN
[   23.063284][  T554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.063487][  T554] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.063717][  T554] 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
[   23.064216][  T554] RSP: 0018:ffa00000008f7a78 EFLAGS: 00010286
[   23.064418][  T554] RAX: 00000000ffffffa6 RBX: ff1100001246ae40 RCX: 1ff400000011ef15
[   23.064669][  T554] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246aefc
[   23.064903][  T554] RBP: ff1100000f991000 R08: 1fe220000248d5e1 R09: ff11000012bb0b80
[   23.065145][  T554] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.065376][  T554] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f991000
[   23.065617][  T554] FS:  00007fdd24520840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   23.065893][  T554] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.066104][  T554] CR2: 00007fdd24727430 CR3: 000000000d4cf005 CR4: 0000000000771ef0
[   23.066339][  T554] PKRU: 55555554
[   23.066478][  T554] Call Trace:
[   23.066621][  T554]  <TASK>
[   23.066741][  T554]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.066913][  T554]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.067092][  T554]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.067235][  T554]  register_netdevice (net/core/dev.c:11488)
[   23.067408][  T554]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.067613][  T554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.067800][  T554]  register_netdev (net/core/dev.c:11552)
[   23.067972][  T554]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   23.068152][  T554]  ops_init (net/core/net_namespace.c:137)
[   23.068296][  T554]  setup_net (net/core/net_namespace.c:446)
[   23.068438][  T554]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.068615][  T554]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.068796][  T554]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.068969][  T554]  copy_net_ns (net/core/net_namespace.c:579)
[   23.069150][  T554]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.069325][  T554]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.069498][  T554]  ksys_unshare (kernel/fork.c:3243)
[   23.069687][  T554]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.069860][  T554]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.070031][  T554]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.070211][  T554]  ? __ia32_sys_open (fs/open.c:1374)
[   23.070384][  T554]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.070561][  T554]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.070748][  T554]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.070919][  T554]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.071095][  T554]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.071268][  T554]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.071469][  T554] RIP: 0033:0x7fdd247e2bcb
[   23.071662][  T554] 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
[   23.072159][  T554] RSP: 002b:00007ffc047367a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.072390][  T554] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdd247e2bcb
[   23.072631][  T554] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.072873][  T554] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.073111][  T554] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc047389d0
[   23.073341][  T554] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc0473a888
| [   23.077645][  T554] ------------[ cut here ]------------
| [   23.077821][  T554] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/554
| [   23.078087][  T554] Modules linked in: xfrm_user nf_tables
| [   23.078571][  T554] Tainted: [W]=WARN
[   23.078722][  T554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.078923][  T554] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.079139][  T554] 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
[   23.079635][  T554] RSP: 0018:ffa00000008f7a68 EFLAGS: 00010286
[   23.079848][  T554] RAX: 00000000ffffffa6 RBX: ff1100001010fc40 RCX: 1ff400000011ef13
[   23.080084][  T554] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001010fcfc
[   23.080315][  T554] RBP: ff1100000ded4000 R08: 1fe2200002021fa1 R09: ff11000012bb0b80
[   23.080552][  T554] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.080793][  T554] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ded4000
[   23.081025][  T554] FS:  00007fdd24520840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   23.081295][  T554] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.081496][  T554] CR2: 00007fdd24727430 CR3: 000000000d4cf005 CR4: 0000000000771ef0
[   23.081752][  T554] PKRU: 55555554
[   23.081891][  T554] Call Trace:
[   23.082030][  T554]  <TASK>
[   23.082149][  T554]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.082320][  T554]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.082492][  T554]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.082641][  T554]  register_netdevice (net/core/dev.c:11488)
[   23.082825][  T554]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.083031][  T554]  register_netdev (net/core/dev.c:11552)
[   23.083212][  T554]  sit_init_net (net/ipv6/sit.c:1860)
[   23.083385][  T554]  ops_init (net/core/net_namespace.c:137)
[   23.083529][  T554]  setup_net (net/core/net_namespace.c:446)
[   23.083681][  T554]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.083850][  T554]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.084021][  T554]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.084205][  T554]  copy_net_ns (net/core/net_namespace.c:579)
[   23.084379][  T554]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.084558][  T554]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.084744][  T554]  ksys_unshare (kernel/fork.c:3243)
[   23.084914][  T554]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.085089][  T554]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.085260][  T554]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.085434][  T554]  ? __ia32_sys_open (fs/open.c:1374)
[   23.085613][  T554]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.085794][  T554]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.085964][  T554]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.086144][  T554]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.086312][  T554]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.086482][  T554]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.086698][  T554] RIP: 0033:0x7fdd247e2bcb
[   23.086876][  T554] 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
[   23.087368][  T554] RSP: 002b:00007ffc047367a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.087608][  T554] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdd247e2bcb
[   23.087853][  T554] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.088091][  T554] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.088322][  T554] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc047389d0
[   23.088559][  T554] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc0473a888
| [   23.093361][  T554] ------------[ cut here ]------------
| [   23.093532][  T554] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/554
| [   23.093805][  T554] Modules linked in: xfrm_user nf_tables
| [   23.094286][  T554] Tainted: [W]=WARN
[   23.094426][  T554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.094636][  T554] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.094857][  T554] 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
[   23.095354][  T554] RSP: 0018:ffa00000008f7a78 EFLAGS: 00010286
[   23.095563][  T554] RAX: 00000000ffffffa6 RBX: ff1100001213b000 RCX: 1ff400000011ef15
[   23.095807][  T554] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001213b0bc
[   23.096040][  T554] RBP: ff11000010979000 R08: 1fe2200002427619 R09: ff11000012bb0b80
[   23.096278][  T554] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.096510][  T554] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010979000
[   23.096758][  T554] FS:  00007fdd24520840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   23.097022][  T554] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.097232][  T554] CR2: 00007fdd24727430 CR3: 000000000d4cf005 CR4: 0000000000771ef0
[   23.097465][  T554] PKRU: 55555554
[   23.097611][  T554] Call Trace:
[   23.097763][  T554]  <TASK>
[   23.097874][  T554]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.098045][  T554]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.098223][  T554]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.098366][  T554]  register_netdevice (net/core/dev.c:11488)
[   23.098542][  T554]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   23.098755][  T554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.098929][  T554]  register_netdev (net/core/dev.c:11552)
[   23.099106][  T554]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   23.099278][  T554]  ops_init (net/core/net_namespace.c:137)
[   23.099420][  T554]  setup_net (net/core/net_namespace.c:446)
[   23.099572][  T554]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   23.099754][  T554]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   23.099925][  T554]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   23.100105][  T554]  copy_net_ns (net/core/net_namespace.c:579)
[   23.100277][  T554]  create_new_namespaces (kernel/nsproxy.c:132)
[   23.100449][  T554]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   23.100631][  T554]  ksys_unshare (kernel/fork.c:3243)
[   23.100814][  T554]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.100983][  T554]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   23.101162][  T554]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   23.101333][  T554]  ? __ia32_sys_open (fs/open.c:1374)
[   23.101507][  T554]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   23.101693][  T554]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   23.101863][  T554]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.102035][  T554]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.102213][  T554]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.102384][  T554]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.102589][  T554] RIP: 0033:0x7fdd247e2bcb
[   23.102776][  T554] 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
[   23.103274][  T554] RSP: 002b:00007ffc047367a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   23.103511][  T554] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdd247e2bcb
[   23.103757][  T554] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   23.103987][  T554] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   23.104228][  T554] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc047389d0
[   23.104457][  T554] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc0473a888
| [   23.133621][  T555] ------------[ cut here ]------------
| [   23.134138][  T555] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/555
| [   23.134362][  T555] Modules linked in: xfrm_user nf_tables
| [   23.134759][  T555] Tainted: [W]=WARN
[   23.134854][  T555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.135012][  T555] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.135182][  T555] 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
[   23.135631][  T555] RSP: 0018:ffa0000000907020 EFLAGS: 00010286
[   23.135793][  T555] RAX: 00000000ffffffa6 RBX: ff1100001246fe00 RCX: 1ff4000000120dca
[   23.135981][  T555] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246febc
[   23.136175][  T555] RBP: ff11000009b64000 R08: 1fe220000248dfd9 R09: ff11000012bb2e58
[   23.136363][  T555] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   23.136554][  T555] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   23.136749][  T555] FS:  00007f3710634840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   23.137021][  T555] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.137213][  T555] CR2: 000000000539e988 CR3: 000000000d44f004 CR4: 0000000000771ef0
[   23.137415][  T555] PKRU: 55555554
[   23.137516][  T555] Call Trace:
[   23.137618][  T555]  <TASK>
[   23.137692][  T555]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.137825][  T555]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.137926][  T555]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.138057][  T555]  __dev_notify_flags (net/core/dev.c:9787)
[   23.138197][  T555]  ? netif_change_name (net/core/dev.c:1495)
[   23.138331][  T555]  ? __dev_change_flags (net/core/dev.c:9752)
[   23.138465][  T555]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.138600][  T555]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.138736][  T555]  ? 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))
[   23.138868][  T555]  netif_change_flags (net/core/dev.c:9820)
[   23.139000][  T555]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   23.139138][  T555]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   23.139271][  T555]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.139403][  T555]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.139570][  T555]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.139708][  T555]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.139839][  T555]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.139967][  T555]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.140102][  T555]  ? __kernel_text_address (kernel/extable.c:79)
[   23.140234][  T555]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.140364][  T555]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.140495][  T555]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.140628][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.140762][  T555]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.140888][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.141017][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.141150][  T555]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.141281][  T555]  ? __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)
[   23.141408][  T555]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.141542][  T555]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.141677][  T555]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.141809][  T555]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.141940][  T555]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.142070][  T555]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.142203][  T555]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.142329][  T555]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.142456][  T555]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.142586][  T555]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.142721][  T555]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.142846][  T555]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.142971][  T555]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.143102][  T555]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.143230][  T555]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.143357][  T555]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.143483][  T555]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.143611][  T555]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.143742][  T555]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.143871][  T555]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.143997][  T555]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.144129][  T555]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.144257][  T555]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.144384][  T555]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.144516][  T555]  ? 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))
[   23.144642][  T555]  ? 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))
[   23.144776][  T555]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.144904][  T555]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.145032][  T555]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.145163][  T555]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.145291][  T555]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.145418][  T555]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.145547][  T555]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.145679][  T555]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.145807][  T555]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.145963][  T555]  ? move_addr_to_kernel (net/socket.c:258)
[   23.146094][  T555]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.146221][  T555]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.146349][  T555]  ___sys_sendmsg (net/socket.c:2752)
[   23.146474][  T555]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.146635][  T555]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.146778][  T555]  __sys_sendmsg (net/socket.c:2784)
[   23.146904][  T555]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.147029][  T555]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.147193][  T555]  ? 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)
[   23.147321][  T555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.147447][  T555]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.147576][  T555]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.147707][  T555]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.147832][  T555]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.147990][  T555] RIP: 0033:0x7f371086e08e
[   23.148126][  T555] 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
[   23.148579][  T555] RSP: 002b:00007ffd70177ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.148775][  T555] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f371086e08e
[   23.148963][  T555] RDX: 0000000000000000 RSI: 00007ffd70177d90 RDI: 0000000000000005
[   23.149154][  T555] RBP: 00007ffd70177cf0 R08: 0000000000000000 R09: 0000000000000000
[   23.149342][  T555] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d841
[   23.149534][  T555] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd70178460
| [   23.392596][  T565] ------------[ cut here ]------------
| [   23.392897][  T565] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/565
| [   23.393189][  T565] Modules linked in: xfrm_user nf_tables
| [   23.393719][  T565] Tainted: [W]=WARN
[   23.393870][  T565] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.394094][  T565] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.394319][  T565] 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
[   23.394863][  T565] RSP: 0018:ffa0000000956e30 EFLAGS: 00010286
[   23.395089][  T565] RAX: 00000000ffffffa6 RBX: ff1100000dd01c40 RCX: 1ff400000012ad8c
[   23.395337][  T565] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd01cfc
[   23.395592][  T565] RBP: ff1100000ff64000 R08: 1fe2200001ba03a1 R09: ff1100000e46d180
[   23.395853][  T565] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.396110][  T565] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005eef180
[   23.396360][  T565] FS:  00007f2dff81c840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   23.396666][  T565] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.396883][  T565] CR2: 00000000004eb188 CR3: 000000000ea95002 CR4: 0000000000771ef0
[   23.397142][  T565] PKRU: 55555554
[   23.397290][  T565] Call Trace:
[   23.397439][  T565]  <TASK>
[   23.397564][  T565]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   23.397794][  T565]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.397979][  T565]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.398141][  T565]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.398328][  T565]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.398514][  T565]  __dev_notify_flags (net/core/dev.c:9787)
[   23.398713][  T565]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.398896][  T565]  ? netif_change_name (net/core/dev.c:1495)
[   23.399086][  T565]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   23.399271][  T565]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   23.399489][  T565]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   23.399728][  T565]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   23.399910][  T565]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.400098][  T565]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   23.400284][  T565]  veth_newlink (drivers/net/veth.c:1871)
[   23.400468][  T565]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   23.400667][  T565]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.400848][  T565]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.401029][  T565]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.401237][  T565]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   23.401421][  T565]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   23.401614][  T565]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   23.401806][  T565]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.401990][  T565]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   23.402185][  T565]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   23.402372][  T565]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   23.402565][  T565]  ? __dev_get_by_name (net/core/dev.c:883)
[   23.402760][  T565]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   23.402948][  T565]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   23.403144][  T565]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.403332][  T565]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.403519][  T565]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.403717][  T565]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.403898][  T565]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.404085][  T565]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.404274][  T565]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.404456][  T565]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.404648][  T565]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.404844][  T565]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.405027][  T565]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.405218][  T565]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.405401][  T565]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.405590][  T565]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.405787][  T565]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.405969][  T565]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.406161][  T565]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.406347][  T565]  ? 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))
[   23.406530][  T565]  ? 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))
[   23.406728][  T565]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.406914][  T565]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.407104][  T565]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.407288][  T565]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.407472][  T565]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.407673][  T565]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.407859][  T565]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.408043][  T565]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.408231][  T565]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.408444][  T565]  ? move_addr_to_kernel (net/socket.c:258)
[   23.408635][  T565]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.408832][  T565]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   23.409016][  T565]  ___sys_sendmsg (net/socket.c:2752)
[   23.409208][  T565]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   23.409394][  T565]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.409588][  T565]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   23.409789][  T565]  ? 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))
[   23.409975][  T565]  __sys_sendmsg (net/socket.c:2784)
[   23.410167][  T565]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.410357][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.410548][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.410746][  T565]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.410929][  T565]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.411118][  T565]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.411304][  T565]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.411523][  T565] RIP: 0033:0x7f2dffa5608e
[   23.411727][  T565] 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
[   23.412259][  T565] RSP: 002b:00007ffc1f9a6f90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.412511][  T565] RAX: ffffffffffffffda RBX: 00007ffc1f9a7728 RCX: 00007f2dffa5608e
[   23.412771][  T565] RDX: 0000000000000000 RSI: 00007ffc1f9a7040 RDI: 0000000000000005
[   23.413019][  T565] RBP: 00007ffc1f9a6fa0 R08: 0000000000000000 R09: 0000000000000000
[   23.413273][  T565] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d841
[   23.413525][  T565] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1f9a7700
| [   23.427537][  T565] ------------[ cut here ]------------
| [   23.427744][  T565] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/565
| [   23.428034][  T565] Modules linked in: xfrm_user nf_tables
| [   23.428575][  T565] Tainted: [W]=WARN
[   23.428735][  T565] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.428948][  T565] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.429176][  T565] 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
[   23.429782][  T565] RSP: 0018:ffa00000009571b0 EFLAGS: 00010286
[   23.430089][  T565] RAX: 00000000ffffffa6 RBX: ff11000005ed91c0 RCX: 1ff400000012adfc
[   23.430439][  T565] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005ed927c
[   23.430796][  T565] RBP: ff1100000ff61000 R08: 1fe2200000bdb251 R09: ff1100000e46d180
[   23.431135][  T565] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.431460][  T565] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   23.431781][  T565] FS:  00007f2dff81c840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   23.432059][  T565] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.432278][  T565] CR2: 00000000004eb188 CR3: 000000000ea95002 CR4: 0000000000771ef0
[   23.432523][  T565] PKRU: 55555554
[   23.432682][  T565] Call Trace:
[   23.432827][  T565]  <TASK>
[   23.432942][  T565]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.433128][  T565]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.433280][  T565]  __dev_notify_flags (net/core/dev.c:9787)
[   23.433461][  T565]  ? netif_change_name (net/core/dev.c:1495)
[   23.433663][  T565]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   23.433843][  T565]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.434026][  T565]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   23.434215][  T565]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   23.434397][  T565]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   23.434586][  T565]  ? __dev_get_by_name (net/core/dev.c:883)
[   23.434779][  T565]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   23.434965][  T565]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   23.435161][  T565]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.435345][  T565]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.435526][  T565]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.435720][  T565]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.435898][  T565]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.436088][  T565]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.436274][  T565]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.436454][  T565]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.436642][  T565]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.436834][  T565]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.437016][  T565]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.437207][  T565]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.437390][  T565]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.437580][  T565]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.437771][  T565]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.437951][  T565]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.438139][  T565]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.438324][  T565]  ? 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))
[   23.438504][  T565]  ? 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))
[   23.438702][  T565]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.438887][  T565]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.439065][  T565]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.439254][  T565]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.439434][  T565]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.439621][  T565]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.439812][  T565]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.439991][  T565]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.440181][  T565]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.440393][  T565]  ? move_addr_to_kernel (net/socket.c:258)
[   23.440582][  T565]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.440771][  T565]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   23.440951][  T565]  ___sys_sendmsg (net/socket.c:2752)
[   23.441138][  T565]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   23.441319][  T565]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.441506][  T565]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   23.441708][  T565]  ? 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))
[   23.441889][  T565]  __sys_sendmsg (net/socket.c:2784)
[   23.442068][  T565]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.442259][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.442438][  T565]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.442623][  T565]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.442814][  T565]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.442990][  T565]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.443183][  T565]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.443396][  T565] RIP: 0033:0x7f2dffa5608e
[   23.443587][  T565] 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
[   23.444122][  T565] RSP: 002b:00007ffc1f9a6f90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.444372][  T565] RAX: ffffffffffffffda RBX: 00007ffc1f9a7728 RCX: 00007f2dffa5608e
[   23.444620][  T565] RDX: 0000000000000000 RSI: 00007ffc1f9a7040 RDI: 0000000000000005
[   23.444874][  T565] RBP: 00007ffc1f9a6fa0 R08: 0000000000000000 R09: 0000000000000000
[   23.445126][  T565] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d841
[   23.445372][  T565] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1f9a7700
| [   23.557437][  T569] ------------[ cut here ]------------
| [   23.557593][  T569] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/569
| [   23.557832][  T569] Modules linked in: xfrm_user nf_tables
| [   23.558238][  T569] Tainted: [W]=WARN
[   23.558336][  T569] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.558502][  T569] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.558680][  T569] 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
[   23.559147][  T569] RSP: 0018:ffa0000000967020 EFLAGS: 00010286
[   23.559310][  T569] RAX: 00000000ffffffa6 RBX: ff110000122fd700 RCX: 1ff400000012cdca
[   23.559509][  T569] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000122fd7bc
[   23.559707][  T569] RBP: ff1100000ff61000 R08: 1fe220000245faf9 R09: ff1100000eba0b58
[   23.559899][  T569] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   23.560092][  T569] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   23.560288][  T569] FS:  00007f3e5bc42840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   23.560518][  T569] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.560691][  T569] CR2: 00007f3e5bf121a0 CR3: 00000000100eb002 CR4: 0000000000771ef0
[   23.560887][  T569] PKRU: 55555554
[   23.560984][  T569] Call Trace:
[   23.561086][  T569]  <TASK>
[   23.561154][  T569]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.561286][  T569]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.561385][  T569]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.561516][  T569]  __dev_notify_flags (net/core/dev.c:9787)
[   23.561648][  T569]  ? netif_change_name (net/core/dev.c:1495)
[   23.561784][  T569]  ? __dev_change_flags (net/core/dev.c:9752)
[   23.561915][  T569]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.562045][  T569]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.562181][  T569]  ? 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))
[   23.562313][  T569]  netif_change_flags (net/core/dev.c:9820)
[   23.562444][  T569]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   23.562576][  T569]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   23.562714][  T569]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.562845][  T569]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.563008][  T569]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.563141][  T569]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.563270][  T569]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.563399][  T569]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.563534][  T569]  ? __kernel_text_address (kernel/extable.c:79)
[   23.564193][  T569]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.564327][  T569]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.564457][  T569]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.564593][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.564729][  T569]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.564858][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.564987][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.565122][  T569]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.565252][  T569]  ? __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)
[   23.565381][  T569]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.565514][  T569]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.565644][  T569]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.565782][  T569]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.565931][  T569]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.566062][  T569]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.566196][  T569]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.566324][  T569]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.566472][  T569]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.566618][  T569]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.566761][  T569]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.566890][  T569]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.567019][  T569]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.567153][  T569]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.567283][  T569]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.567413][  T569]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.567545][  T569]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.567681][  T569]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.567812][  T569]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.567987][  T569]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.568175][  T569]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.568360][  T569]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.568549][  T569]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.568743][  T569]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.568932][  T569]  ? 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))
[   23.569121][  T569]  ? 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))
[   23.569308][  T569]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.569494][  T569]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.569689][  T569]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.569875][  T569]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.570060][  T569]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.570253][  T569]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.570438][  T569]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.570625][  T569]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.570811][  T569]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.571041][  T569]  ? move_addr_to_kernel (net/socket.c:258)
[   23.571234][  T569]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.571422][  T569]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.571609][  T569]  ___sys_sendmsg (net/socket.c:2752)
[   23.571799][  T569]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.572031][  T569]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.572234][  T569]  __sys_sendmsg (net/socket.c:2784)
[   23.572420][  T569]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.572607][  T569]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.572851][  T569]  ? 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)
[   23.573039][  T569]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.573234][  T569]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.573421][  T569]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.573610][  T569]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.573792][  T569]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.573960][  T569] RIP: 0033:0x7f3e5be7c08e
[   23.574106][  T569] 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
[   23.574720][  T569] RSP: 002b:00007fffc2a58340 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.575000][  T569] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3e5be7c08e
[   23.575283][  T569] RDX: 0000000000000000 RSI: 00007fffc2a583f0 RDI: 0000000000000005
[   23.575563][  T569] RBP: 00007fffc2a58350 R08: 0000000000000000 R09: 0000000000000000
[   23.575849][  T569] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d841
[   23.576129][  T569] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc2a58ab0
| [   23.684534][  T573] ------------[ cut here ]------------
| [   23.685541][  T573] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/573
| [   23.685979][  T573] Modules linked in: xfrm_user nf_tables
| [   23.686558][  T573] Tainted: [W]=WARN
[   23.686775][  T573] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.687011][  T573] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.687261][  T573] 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
[   23.687983][  T573] RSP: 0018:ffa0000000937020 EFLAGS: 00010286
[   23.688223][  T573] RAX: 00000000ffffffa6 RBX: ff1100000d059a80 RCX: 1ff4000000126dca
[   23.688503][  T573] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d059b3c
[   23.688853][  T573] RBP: ff1100000ff64000 R08: 1fe2200001a0b369 R09: ff1100000fae0b58
[   23.689101][  T573] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   23.689377][  T573] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   23.689669][  T573] FS:  00007fe6c667e840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   23.689998][  T573] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.690237][  T573] CR2: 0000000029e19988 CR3: 000000000bab1005 CR4: 0000000000771ef0
[   23.690522][  T573] PKRU: 55555554
[   23.690668][  T573] Call Trace:
[   23.690808][  T573]  <TASK>
[   23.690905][  T573]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.691103][  T573]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.691249][  T573]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.691437][  T573]  __dev_notify_flags (net/core/dev.c:9787)
[   23.691632][  T573]  ? netif_change_name (net/core/dev.c:1495)
[   23.691828][  T573]  ? __dev_change_flags (net/core/dev.c:9752)
[   23.692016][  T573]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   23.692209][  T573]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.692397][  T573]  ? 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))
[   23.692590][  T573]  netif_change_flags (net/core/dev.c:9820)
[   23.692782][  T573]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   23.692970][  T573]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   23.693167][  T573]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   23.693357][  T573]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   23.693595][  T573]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   23.693789][  T573]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.693977][  T573]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   23.694166][  T573]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.694352][  T573]  ? __kernel_text_address (kernel/extable.c:79)
[   23.694543][  T573]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.694739][  T573]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.694925][  T573]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.695114][  T573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.695301][  T573]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   23.695486][  T573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.695676][  T573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.695863][  T573]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   23.696049][  T573]  ? __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)
[   23.696244][  T573]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   23.696431][  T573]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   23.696619][  T573]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   23.696813][  T573]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   23.696979][  T573]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.697121][  T573]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.697253][  T573]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.697386][  T573]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.697524][  T573]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.697662][  T573]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.697798][  T573]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.697930][  T573]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.698064][  T573]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.698203][  T573]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.698338][  T573]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.698475][  T573]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.698612][  T573]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.698751][  T573]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.698883][  T573]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.699019][  T573]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.699160][  T573]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.699294][  T573]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.699428][  T573]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.699568][  T573]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.699712][  T573]  ? 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))
[   23.699845][  T573]  ? 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))
[   23.700006][  T573]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.700201][  T573]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.700387][  T573]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.700574][  T573]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.700769][  T573]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.700956][  T573]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.701153][  T573]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.701338][  T573]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.701525][  T573]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.701758][  T573]  ? move_addr_to_kernel (net/socket.c:258)
[   23.701945][  T573]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   23.702135][  T573]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.702290][  T573]  ___sys_sendmsg (net/socket.c:2752)
[   23.702424][  T573]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   23.702608][  T573]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.702815][  T573]  __sys_sendmsg (net/socket.c:2784)
[   23.703000][  T573]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.703190][  T573]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   23.703422][  T573]  ? 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)
[   23.703597][  T573]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.703785][  T573]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.703971][  T573]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.704164][  T573]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.704351][  T573]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.704586][  T573] RIP: 0033:0x7fe6c68b808e
[   23.704783][  T573] 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
[   23.705449][  T573] RSP: 002b:00007ffd4ee10300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.705734][  T573] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe6c68b808e
[   23.706009][  T573] RDX: 0000000000000000 RSI: 00007ffd4ee103b0 RDI: 0000000000000005
[   23.706293][  T573] RBP: 00007ffd4ee10310 R08: 0000000000000000 R09: 0000000000000000
[   23.706569][  T573] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d841
[   23.706853][  T573] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4ee10a70
| [   23.709700][   T36] ------------[ cut here ]------------
| [   23.709890][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/36
| [   23.710247][   T36] Modules linked in: xfrm_user nf_tables
| [   23.710834][   T36] Tainted: [W]=WARN
[   23.710965][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.711187][   T36] Workqueue: events_unbound linkwatch_event
[   23.711411][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.711640][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   23.712293][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   23.712515][   T36] RAX: 00000000ffffffa6 RBX: ff1100000d058e40 RCX: 1ff4000000051f02
[   23.712779][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d058efc
[   23.713041][   T36] RBP: ff1100000ff61000 R08: 1fe2200001a0b1e1 R09: ff11000001d751a8
[   23.713310][   T36] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   23.713572][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   23.713837][   T36] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   23.714152][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.714371][   T36] CR2: 000055d401a1fbb0 CR3: 000000000df96005 CR4: 0000000000771ef0
[   23.714640][   T36] PKRU: 55555554
[   23.714746][   T36] Call Trace:
[   23.714852][   T36]  <TASK>
[   23.714943][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.715101][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   23.715278][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.715412][   T36]  netif_state_change (net/core/dev.c:1605)
[   23.715589][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   23.715814][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   23.715989][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   23.716171][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.716349][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   23.716524][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   23.716703][   T36]  process_one_work (kernel/workqueue.c:3314)
[   23.716874][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   23.717050][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.717234][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   23.717412][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   23.717591][   T36]  kthread (kernel/kthread.c:436)
[   23.717727][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   23.717908][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.718094][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   23.718274][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   23.718493][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   23.718674][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   23.718849][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   23.908270][  T581] ------------[ cut here ]------------
| [   23.908469][  T581] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/581
| [   23.908769][  T581] Modules linked in: xfrm_user nf_tables
| [   23.909286][  T581] Tainted: [W]=WARN
[   23.909435][  T581] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.909672][  T581] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.909897][  T581] 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
[   23.910429][  T581] RSP: 0018:ffa00000009e6e30 EFLAGS: 00010286
[   23.910729][  T581] RAX: 00000000ffffffa6 RBX: ff1100000cbfee40 RCX: 1ff400000013cd8c
[   23.910981][  T581] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cbfeefc
[   23.911239][  T581] RBP: ff1100000538c000 R08: 1fe220000197fde1 R09: ff1100000e600b80
[   23.911486][  T581] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.911753][  T581] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000babb180
[   23.912003][  T581] FS:  00007fd475a5c840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   23.912293][  T581] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.912510][  T581] CR2: 00000000004eb188 CR3: 0000000004e13006 CR4: 0000000000771ef0
[   23.912774][  T581] PKRU: 55555554
[   23.912925][  T581] Call Trace:
[   23.913076][  T581]  <TASK>
[   23.913201][  T581]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.913383][  T581]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.913575][  T581]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.913739][  T581]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   23.913922][  T581]  __dev_notify_flags (net/core/dev.c:9787)
[   23.914111][  T581]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   23.914293][  T581]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   23.914478][  T581]  ? netif_change_name (net/core/dev.c:1495)
[   23.914676][  T581]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.914858][  T581]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.915040][  T581]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.915230][  T581]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.915414][  T581]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.915605][  T581]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   23.915803][  T581]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   23.915986][  T581]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   23.916178][  T581]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   23.916364][  T581]  veth_newlink (drivers/net/veth.c:1871)
[   23.916555][  T581]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   23.916749][  T581]  ? kasan_save_stack (mm/kasan/common.c:57)
[   23.916931][  T581]  ? kasan_save_track (mm/kasan/common.c:78)
[   23.917121][  T581]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   23.917320][  T581]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   23.917502][  T581]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   23.917705][  T581]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   23.917891][  T581]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.918075][  T581]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   23.918267][  T581]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   23.918451][  T581]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   23.918643][  T581]  ? __dev_get_by_name (net/core/dev.c:883)
[   23.918838][  T581]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   23.919026][  T581]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   23.919220][  T581]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.919407][  T581]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.919595][  T581]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.919796][  T581]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.919977][  T581]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.920169][  T581]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.920356][  T581]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.920545][  T581]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.920737][  T581]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.920920][  T581]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.921108][  T581]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.921295][  T581]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.921479][  T581]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.921676][  T581]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.921860][  T581]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.922042][  T581]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.922231][  T581]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.922417][  T581]  ? 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))
[   23.922608][  T581]  ? 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))
[   23.922808][  T581]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.922993][  T581]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.923184][  T581]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.923368][  T581]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.923558][  T581]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.923754][  T581]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.923938][  T581]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.924129][  T581]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.924312][  T581]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.924529][  T581]  ? move_addr_to_kernel (net/socket.c:258)
[   23.924728][  T581]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.924911][  T581]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   23.925101][  T581]  ___sys_sendmsg (net/socket.c:2752)
[   23.925284][  T581]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   23.925470][  T581]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.925675][  T581]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   23.925862][  T581]  ? 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))
[   23.926047][  T581]  __sys_sendmsg (net/socket.c:2784)
[   23.926238][  T581]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.926425][  T581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.926617][  T581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.926813][  T581]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.926998][  T581]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.927190][  T581]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.927374][  T581]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.927597][  T581] RIP: 0033:0x7fd475c9608e
[   23.927801][  T581] 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
[   23.928331][  T581] RSP: 002b:00007ffd280b3790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.928588][  T581] RAX: ffffffffffffffda RBX: 00007ffd280b3f28 RCX: 00007fd475c9608e
[   23.928849][  T581] RDX: 0000000000000000 RSI: 00007ffd280b3840 RDI: 0000000000000005
[   23.929102][  T581] RBP: 00007ffd280b37a0 R08: 0000000000000000 R09: 0000000000000000
[   23.929353][  T581] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d842
[   23.929609][  T581] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd280b3f00
| [   23.937512][  T581] ------------[ cut here ]------------
| [   23.937704][  T581] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/581
| [   23.937983][  T581] Modules linked in: xfrm_user nf_tables
| [   23.938491][  T581] Tainted: [W]=WARN
[   23.938649][  T581] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   23.938875][  T581] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   23.939102][  T581] 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
[   23.939625][  T581] RSP: 0018:ffa00000009e71b0 EFLAGS: 00010286
[   23.939856][  T581] RAX: 00000000ffffffa6 RBX: ff1100000505e040 RCX: 1ff400000013cdfc
[   23.940108][  T581] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000505e0fc
[   23.940352][  T581] RBP: ff1100000eb9c000 R08: 1fe2200000a0bc21 R09: ff1100000e600b80
[   23.940607][  T581] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   23.940867][  T581] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   23.941123][  T581] FS:  00007fd475a5c840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   23.941403][  T581] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   23.941625][  T581] CR2: 00000000004eb188 CR3: 0000000004e13006 CR4: 0000000000771ef0
[   23.941886][  T581] PKRU: 55555554
[   23.942036][  T581] Call Trace:
[   23.942191][  T581]  <TASK>
[   23.942308][  T581]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   23.942493][  T581]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   23.942665][  T581]  __dev_notify_flags (net/core/dev.c:9787)
[   23.942849][  T581]  ? netif_change_name (net/core/dev.c:1495)
[   23.943031][  T581]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   23.943220][  T581]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   23.943409][  T581]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   23.943600][  T581]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   23.943796][  T581]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   23.943978][  T581]  ? __dev_get_by_name (net/core/dev.c:883)
[   23.944170][  T581]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   23.944361][  T581]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   23.944556][  T581]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   23.944753][  T581]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.944936][  T581]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.945126][  T581]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.945307][  T581]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   23.945486][  T581]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.945691][  T581]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.945873][  T581]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   23.946054][  T581]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   23.946248][  T581]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   23.946430][  T581]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.946618][  T581]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.946813][  T581]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   23.946992][  T581]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   23.947187][  T581]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   23.947369][  T581]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   23.947559][  T581]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   23.947762][  T581]  ? 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))
[   23.947943][  T581]  ? 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))
[   23.948131][  T581]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   23.948314][  T581]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   23.948495][  T581]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   23.948698][  T581]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   23.948882][  T581]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   23.949067][  T581]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   23.949258][  T581]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   23.949438][  T581]  ? copy_msghdr_from_user (net/socket.c:2635)
[   23.949626][  T581]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   23.949851][  T581]  ? move_addr_to_kernel (net/socket.c:258)
[   23.950034][  T581]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   23.950223][  T581]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   23.950408][  T581]  ___sys_sendmsg (net/socket.c:2752)
[   23.950597][  T581]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   23.950790][  T581]  ? copy_msghdr_from_user (net/socket.c:2603)
[   23.950975][  T581]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   23.951164][  T581]  ? 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))
[   23.951347][  T581]  __sys_sendmsg (net/socket.c:2784)
[   23.951532][  T581]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   23.951733][  T581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.951916][  T581]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   23.952103][  T581]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   23.952283][  T581]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   23.952464][  T581]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   23.952666][  T581]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   23.952878][  T581] RIP: 0033:0x7fd475c9608e
[   23.953065][  T581] 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
[   23.953601][  T581] RSP: 002b:00007ffd280b3790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   23.953862][  T581] RAX: ffffffffffffffda RBX: 00007ffd280b3f28 RCX: 00007fd475c9608e
[   23.954112][  T581] RDX: 0000000000000000 RSI: 00007ffd280b3840 RDI: 0000000000000005
[   23.954359][  T581] RBP: 00007ffd280b37a0 R08: 0000000000000000 R09: 0000000000000000
[   23.954613][  T581] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d842
[   23.954870][  T581] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd280b3f00
| [   24.063736][  T585] ------------[ cut here ]------------
| [   24.063954][  T585] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/585
| [   24.064202][  T585] Modules linked in: xfrm_user nf_tables
| [   24.064612][  T585] Tainted: [W]=WARN
[   24.064718][  T585] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.064882][  T585] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.065053][  T585] 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
[   24.065530][  T585] RSP: 0018:ffa0000000987020 EFLAGS: 00010286
[   24.065698][  T585] RAX: 00000000ffffffa6 RBX: ff11000012440040 RCX: 1ff4000000130dca
[   24.065894][  T585] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000124400fc
[   24.066093][  T585] RBP: ff1100000eb9c000 R08: 1fe2200002488021 R09: ff1100000e76ae58
[   24.066291][  T585] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   24.066486][  T585] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   24.066695][  T585] FS:  00007f864f2e6840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   24.066925][  T585] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.067094][  T585] CR2: 0000000001e2c988 CR3: 0000000014dcf001 CR4: 0000000000771ef0
[   24.067291][  T585] PKRU: 55555554
[   24.067390][  T585] Call Trace:
[   24.067490][  T585]  <TASK>
[   24.067561][  T585]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.067700][  T585]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.067802][  T585]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.067933][  T585]  __dev_notify_flags (net/core/dev.c:9787)
[   24.068064][  T585]  ? netif_change_name (net/core/dev.c:1495)
[   24.068200][  T585]  ? __dev_change_flags (net/core/dev.c:9752)
[   24.068332][  T585]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   24.068462][  T585]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.068599][  T585]  ? 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))
[   24.068740][  T585]  netif_change_flags (net/core/dev.c:9820)
[   24.068873][  T585]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.069003][  T585]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   24.069141][  T585]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.069273][  T585]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.069435][  T585]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.069571][  T585]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.070375][  T585]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.070511][  T585]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.070643][  T585]  ? __kernel_text_address (kernel/extable.c:79)
[   24.070833][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.070987][  T585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.071123][  T585]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.071256][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.071388][  T585]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.071518][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.071649][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.071787][  T585]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.071919][  T585]  ? __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)
[   24.072051][  T585]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.072188][  T585]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.072322][  T585]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.072456][  T585]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.072596][  T585]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.072733][  T585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.072864][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.072996][  T585]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.073132][  T585]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.073262][  T585]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.073397][  T585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.073532][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.073667][  T585]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.073798][  T585]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.073928][  T585]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.074058][  T585]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.074197][  T585]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.074331][  T585]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.074467][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.074604][  T585]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.074741][  T585]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.074873][  T585]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.075004][  T585]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.075142][  T585]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.075278][  T585]  ? 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))
[   24.075411][  T585]  ? 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))
[   24.075548][  T585]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.075687][  T585]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.075819][  T585]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.075952][  T585]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.076090][  T585]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.076224][  T585]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.076358][  T585]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.076492][  T585]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.076629][  T585]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.076795][  T585]  ? move_addr_to_kernel (net/socket.c:258)
[   24.076929][  T585]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.077061][  T585]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.077256][  T585]  ___sys_sendmsg (net/socket.c:2752)
[   24.077387][  T585]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.077559][  T585]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.077710][  T585]  __sys_sendmsg (net/socket.c:2784)
[   24.077844][  T585]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.077974][  T585]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.078144][  T585]  ? 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)
[   24.078275][  T585]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.078408][  T585]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.078545][  T585]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.078681][  T585]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.078811][  T585]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.078974][  T585] RIP: 0033:0x7f864f52008e
[   24.079118][  T585] 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
[   24.079590][  T585] RSP: 002b:00007ffd78c04f90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.079793][  T585] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f864f52008e
[   24.079990][  T585] RDX: 0000000000000000 RSI: 00007ffd78c05040 RDI: 0000000000000005
[   24.080190][  T585] RBP: 00007ffd78c04fa0 R08: 0000000000000000 R09: 0000000000000000
[   24.080387][  T585] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d842
[   24.080583][  T585] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd78c05700
| [   24.192296][  T589] ------------[ cut here ]------------
| [   24.192491][  T589] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/589
| [   24.192784][  T589] Modules linked in: xfrm_user nf_tables
| [   24.193280][  T589] Tainted: [W]=WARN
[   24.193433][  T589] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.193650][  T589] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.193878][  T589] 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
[   24.194387][  T589] RSP: 0018:ffa0000000987020 EFLAGS: 00010286
[   24.194606][  T589] RAX: 00000000ffffffa6 RBX: ff110000021de580 RCX: 1ff4000000130dca
[   24.194943][  T589] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000021de63c
[   24.195256][  T589] RBP: ff1100000538c000 R08: 1fe220000043bcc9 R09: ff110000100a8b58
[   24.195569][  T589] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   24.195915][  T589] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   24.196193][  T589] FS:  00007f7aa1ffc840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   24.196459][  T589] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.196689][  T589] CR2: 000000000f231988 CR3: 000000000577c005 CR4: 0000000000771ef0
[   24.196932][  T589] PKRU: 55555554
[   24.197076][  T589] Call Trace:
[   24.197226][  T589]  <TASK>
[   24.197339][  T589]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.197520][  T589]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.197688][  T589]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.197863][  T589]  __dev_notify_flags (net/core/dev.c:9787)
[   24.198041][  T589]  ? netif_change_name (net/core/dev.c:1495)
[   24.198227][  T589]  ? __dev_change_flags (net/core/dev.c:9752)
[   24.198404][  T589]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   24.198586][  T589]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.198776][  T589]  ? 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))
[   24.198953][  T589]  netif_change_flags (net/core/dev.c:9820)
[   24.199138][  T589]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.199319][  T589]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   24.199500][  T589]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.199696][  T589]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.199904][  T589]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.200087][  T589]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.200262][  T589]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.200437][  T589]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.200622][  T589]  ? __kernel_text_address (kernel/extable.c:79)
[   24.200809][  T589]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.200988][  T589]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.201172][  T589]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.201350][  T589]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.201528][  T589]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.201715][  T589]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.201894][  T589]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.202072][  T589]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.202258][  T589]  ? __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)
[   24.202433][  T589]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.202616][  T589]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.202804][  T589]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.202983][  T589]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.203175][  T589]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.203357][  T589]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.203533][  T589]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.203722][  T589]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.203897][  T589]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.204071][  T589]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.204257][  T589]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.204432][  T589]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.204616][  T589]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.204808][  T589]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.204984][  T589]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.205169][  T589]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.205347][  T589]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.205526][  T589]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.205717][  T589]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.205895][  T589]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.206072][  T589]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.206258][  T589]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.206435][  T589]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.206616][  T589]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.206805][  T589]  ? 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))
[   24.206979][  T589]  ? 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))
[   24.207162][  T589]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.207338][  T589]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.207519][  T589]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.207707][  T589]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.207885][  T589]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.208062][  T589]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.208247][  T589]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.208424][  T589]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.208607][  T589]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.208827][  T589]  ? move_addr_to_kernel (net/socket.c:258)
[   24.209004][  T589]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.209187][  T589]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.209365][  T589]  ___sys_sendmsg (net/socket.c:2752)
[   24.209546][  T589]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.209765][  T589]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.209952][  T589]  __sys_sendmsg (net/socket.c:2784)
[   24.210140][  T589]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.210316][  T589]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.210531][  T589]  ? 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)
[   24.210721][  T589]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.210899][  T589]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.211075][  T589]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.211259][  T589]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.211435][  T589]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.211664][  T589] RIP: 0033:0x7f7aa223608e
[   24.211845][  T589] 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
[   24.212350][  T589] RSP: 002b:00007ffc5d314d80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.212599][  T589] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7aa223608e
[   24.212849][  T589] RDX: 0000000000000000 RSI: 00007ffc5d314e30 RDI: 0000000000000005
[   24.213093][  T589] RBP: 00007ffc5d314d90 R08: 0000000000000000 R09: 0000000000000000
[   24.213329][  T589] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d842
[   24.213575][  T589] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5d3154f0
| [   24.216429][  T434] ------------[ cut here ]------------
| [   24.216564][  T434] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 2/434
| [   24.216807][  T434] Modules linked in: xfrm_user nf_tables
| [   24.217202][  T434] Tainted: [W]=WARN
[   24.217291][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.217439][  T434] Workqueue: events_unbound linkwatch_event
[   24.217596][  T434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.217755][  T434] 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
[   24.218187][  T434] RSP: 0018:ffa0000000e879e0 EFLAGS: 00010286
[   24.218337][  T434] RAX: 00000000ffffffa6 RBX: ff1100000e955380 RCX: 1ff40000001d0f02
[   24.218513][  T434] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e95543c
[   24.218702][  T434] RBP: ff1100000538c000 R08: 1fe2200001d2aa89 R09: ff110000100f2ea8
[   24.218882][  T434] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   24.219060][  T434] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.219242][  T434] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   24.219448][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.219599][  T434] CR2: 000055d401a1d220 CR3: 000000000df96005 CR4: 0000000000771ef0
[   24.219780][  T434] PKRU: 55555554
[   24.219869][  T434] Call Trace:
[   24.219957][  T434]  <TASK>
[   24.220020][  T434]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.220143][  T434]  ? notifier_call_chain (kernel/notifier.c:85)
[   24.220262][  T434]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.220354][  T434]  netif_state_change (net/core/dev.c:1605)
[   24.220472][  T434]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   24.220627][  T434]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   24.220749][  T434]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   24.220868][  T434]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.220991][  T434]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   24.221113][  T434]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   24.221231][  T434]  process_one_work (kernel/workqueue.c:3314)
[   24.221353][  T434]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   24.221469][  T434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.221594][  T434]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.221720][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.221837][  T434]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   24.221956][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.222072][  T434]  kthread (kernel/kthread.c:436)
[   24.222167][  T434]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.222316][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.222432][  T434]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.222557][  T434]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   24.222710][  T434]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.222828][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.222946][  T434]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.227354][  T434] ------------[ cut here ]------------
| [   24.227495][  T434] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 2/434
| [   24.227747][  T434] Modules linked in: xfrm_user nf_tables
| [   24.228150][  T434] Tainted: [W]=WARN
[   24.228240][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.228389][  T434] Workqueue: events_unbound linkwatch_event
[   24.228543][  T434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.228708][  T434] 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
[   24.229138][  T434] RSP: 0018:ffa0000000e879e0 EFLAGS: 00010286
[   24.229287][  T434] RAX: 00000000ffffffa6 RBX: ff1100000e954040 RCX: 1ff40000001d0f02
[   24.229463][  T434] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e9540fc
[   24.229644][  T434] RBP: ff1100000eb9c000 R08: 1fe2200001d2a821 R09: ff110000100f2ea8
[   24.229834][  T434] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   24.230015][  T434] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.230198][  T434] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   24.230407][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.230559][  T434] CR2: 000055d3d5b6bd5c CR3: 000000000e969003 CR4: 0000000000771ef0
[   24.230744][  T434] PKRU: 55555554
[   24.230833][  T434] Call Trace:
[   24.230921][  T434]  <TASK>
[   24.230984][  T434]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.231108][  T434]  ? notifier_call_chain (kernel/notifier.c:85)
[   24.231227][  T434]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.231318][  T434]  netif_state_change (net/core/dev.c:1605)
[   24.231437][  T434]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   24.231592][  T434]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   24.231718][  T434]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   24.231836][  T434]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.231962][  T434]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   24.232085][  T434]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   24.232206][  T434]  process_one_work (kernel/workqueue.c:3314)
[   24.232329][  T434]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   24.232447][  T434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.232578][  T434]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.232704][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.232822][  T434]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   24.232945][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.233065][  T434]  kthread (kernel/kthread.c:436)
[   24.233160][  T434]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.233308][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.233427][  T434]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.233551][  T434]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   24.233705][  T434]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.233825][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.233945][  T434]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.406543][  T597] ------------[ cut here ]------------
| [   24.407365][  T597] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/597
| [   24.407739][  T597] Modules linked in: xfrm_user nf_tables
| [   24.408276][  T597] Tainted: [W]=WARN
[   24.408426][  T597] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.408650][  T597] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.408894][  T597] 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
[   24.409425][  T597] RSP: 0018:ffa0000000a26e30 EFLAGS: 00010286
[   24.409664][  T597] RAX: 00000000ffffffa6 RBX: ff1100000b6cf000 RCX: 1ff4000000144d8c
[   24.409912][  T597] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b6cf0bc
[   24.410169][  T597] RBP: ff1100000ea29000 R08: 1fe22000016d9e19 R09: ff11000009c5d180
[   24.410416][  T597] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   24.410686][  T597] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000defaa80
[   24.410937][  T597] FS:  00007fa691e7c840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   24.411227][  T597] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.411443][  T597] CR2: 00000000004eb188 CR3: 0000000010031001 CR4: 0000000000771ef0
[   24.411714][  T597] PKRU: 55555554
[   24.411862][  T597] Call Trace:
[   24.412012][  T597]  <TASK>
[   24.412133][  T597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.412322][  T597]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.412509][  T597]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.412675][  T597]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   24.412857][  T597]  __dev_notify_flags (net/core/dev.c:9787)
[   24.413039][  T597]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   24.413229][  T597]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   24.413414][  T597]  ? netif_change_name (net/core/dev.c:1495)
[   24.413604][  T597]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.413799][  T597]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.413980][  T597]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.414170][  T597]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.414356][  T597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.414544][  T597]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.414739][  T597]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   24.414923][  T597]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   24.415112][  T597]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   24.415298][  T597]  veth_newlink (drivers/net/veth.c:1871)
[   24.415482][  T597]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   24.415679][  T597]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.415865][  T597]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.416046][  T597]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   24.416254][  T597]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   24.416434][  T597]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   24.416623][  T597]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   24.416817][  T597]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   24.417000][  T597]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   24.417192][  T597]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   24.417375][  T597]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   24.417567][  T597]  ? __dev_get_by_name (net/core/dev.c:883)
[   24.417764][  T597]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   24.417951][  T597]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   24.418145][  T597]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.418330][  T597]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.418513][  T597]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.418709][  T597]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.418891][  T597]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.419076][  T597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.419271][  T597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.419453][  T597]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.419645][  T597]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.419840][  T597]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.420020][  T597]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.420211][  T597]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.420397][  T597]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.420585][  T597]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.420781][  T597]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.420962][  T597]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.421154][  T597]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.421340][  T597]  ? 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))
[   24.421524][  T597]  ? 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))
[   24.421726][  T597]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.421913][  T597]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.422101][  T597]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.422286][  T597]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.422468][  T597]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.422669][  T597]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.422853][  T597]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.423035][  T597]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.423226][  T597]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.423439][  T597]  ? move_addr_to_kernel (net/socket.c:258)
[   24.423629][  T597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.423824][  T597]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   24.424008][  T597]  ___sys_sendmsg (net/socket.c:2752)
[   24.424195][  T597]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   24.424378][  T597]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.424573][  T597]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   24.424773][  T597]  ? 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))
[   24.424957][  T597]  __sys_sendmsg (net/socket.c:2784)
[   24.425147][  T597]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.425332][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.425516][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.425714][  T597]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.425895][  T597]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.426077][  T597]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.426268][  T597]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.426480][  T597] RIP: 0033:0x7fa6920b608e
[   24.426685][  T597] 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
[   24.427212][  T597] RSP: 002b:00007fff36d8c7c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.427462][  T597] RAX: ffffffffffffffda RBX: 00007fff36d8cf58 RCX: 00007fa6920b608e
[   24.427728][  T597] RDX: 0000000000000000 RSI: 00007fff36d8c870 RDI: 0000000000000005
[   24.427974][  T597] RBP: 00007fff36d8c7d0 R08: 0000000000000000 R09: 0000000000000000
[   24.428226][  T597] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d842
[   24.428472][  T597] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff36d8cf30
| [   24.436338][  T597] ------------[ cut here ]------------
| [   24.436491][  T597] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/597
| [   24.436737][  T597] Modules linked in: xfrm_user nf_tables
| [   24.437152][  T597] Tainted: [W]=WARN
[   24.437252][  T597] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.437420][  T597] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.437599][  T597] 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
[   24.438083][  T597] RSP: 0018:ffa0000000a271b0 EFLAGS: 00010286
[   24.438254][  T597] RAX: 00000000ffffffa6 RBX: ff1100000e42c040 RCX: 1ff4000000144dfc
[   24.438454][  T597] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e42c0fc
[   24.438666][  T597] RBP: ff1100000df64000 R08: 1fe2200001c85821 R09: ff11000009c5d180
[   24.438866][  T597] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   24.439066][  T597] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   24.439273][  T597] FS:  00007fa691e7c840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   24.439511][  T597] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.439685][  T597] CR2: 000055d3d5b6bd5c CR3: 0000000010031001 CR4: 0000000000771ef0
[   24.439885][  T597] PKRU: 55555554
[   24.439984][  T597] Call Trace:
[   24.440092][  T597]  <TASK>
[   24.440162][  T597]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.440298][  T597]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.440400][  T597]  __dev_notify_flags (net/core/dev.c:9787)
[   24.440539][  T597]  ? netif_change_name (net/core/dev.c:1495)
[   24.440681][  T597]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   24.440816][  T597]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   24.440952][  T597]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   24.441095][  T597]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   24.441232][  T597]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   24.441367][  T597]  ? __dev_get_by_name (net/core/dev.c:883)
[   24.441500][  T597]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   24.441644][  T597]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   24.441789][  T597]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.441926][  T597]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.442060][  T597]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.442201][  T597]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.442336][  T597]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.442468][  T597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.442609][  T597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.442752][  T597]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.442886][  T597]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.443021][  T597]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.443207][  T597]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.443340][  T597]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.443475][  T597]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.443612][  T597]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.443754][  T597]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.443889][  T597]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.444025][  T597]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.444167][  T597]  ? 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))
[   24.444301][  T597]  ? 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))
[   24.444439][  T597]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.444578][  T597]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.444720][  T597]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.444856][  T597]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.444992][  T597]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.445132][  T597]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.445270][  T597]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.445404][  T597]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.445542][  T597]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.445715][  T597]  ? move_addr_to_kernel (net/socket.c:258)
[   24.445851][  T597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.445987][  T597]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   24.446128][  T597]  ___sys_sendmsg (net/socket.c:2752)
[   24.446263][  T597]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   24.446396][  T597]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.446539][  T597]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   24.446684][  T597]  ? 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))
[   24.446821][  T597]  __sys_sendmsg (net/socket.c:2784)
[   24.446955][  T597]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.447095][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.447230][  T597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.447367][  T597]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.447503][  T597]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.447637][  T597]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.447778][  T597]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.447944][  T597] RIP: 0033:0x7fa6920b608e
[   24.448088][  T597] 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
[   24.448570][  T597] RSP: 002b:00007fff36d8c7c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.448777][  T597] RAX: ffffffffffffffda RBX: 00007fff36d8cf58 RCX: 00007fa6920b608e
[   24.448983][  T597] RDX: 0000000000000000 RSI: 00007fff36d8c870 RDI: 0000000000000005
[   24.449188][  T597] RBP: 00007fff36d8c7d0 R08: 0000000000000000 R09: 0000000000000000
[   24.449491][  T597] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d842
[   24.449700][  T597] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff36d8cf30
| [   24.453134][   T39] ------------[ cut here ]------------
| [   24.453271][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   24.453596][   T39] Modules linked in: xfrm_user nf_tables
| [   24.454096][   T39] Tainted: [W]=WARN
[   24.454187][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.454338][   T39] Workqueue: events_unbound linkwatch_event
[   24.454493][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.454659][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   24.455096][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   24.455248][   T39] RAX: 00000000ffffffa6 RBX: ff1100000e42cac0 RCX: 1ff4000000057f02
[   24.455427][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e42cb7c
[   24.455609][   T39] RBP: ff1100000ff64000 R08: 1fe2200001c85971 R09: ff11000001da51a8
[   24.455806][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   24.455983][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.456167][   T39] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   24.456377][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.456532][   T39] CR2: 00007ffe3bb9dfc8 CR3: 000000000df96005 CR4: 0000000000771ef0
[   24.456800][   T39] PKRU: 55555554
[   24.456890][   T39] Call Trace:
[   24.456978][   T39]  <TASK>
[   24.457041][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.457170][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   24.457295][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.457387][   T39]  netif_state_change (net/core/dev.c:1605)
[   24.457511][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   24.457666][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   24.457785][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   24.457904][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.458026][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   24.458151][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   24.458272][   T39]  process_one_work (kernel/workqueue.c:3314)
[   24.458395][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   24.458516][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.458641][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.458846][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.458965][   T39]  kthread (kernel/kthread.c:436)
[   24.459059][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.459212][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.459332][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.459452][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   24.459604][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.459727][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.459845][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.563040][  T601] ------------[ cut here ]------------
| [   24.563226][  T601] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/601
| [   24.563500][  T601] Modules linked in: xfrm_user nf_tables
| [   24.564529][  T601] Tainted: [W]=WARN
[   24.564687][  T601] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.564893][  T601] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.565114][  T601] 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
[   24.565623][  T601] RSP: 0018:ffa0000000a27020 EFLAGS: 00010286
[   24.565844][  T601] RAX: 00000000ffffffa6 RBX: ff1100000b59ce40 RCX: 1ff4000000144dca
[   24.566092][  T601] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b59cefc
[   24.566330][  T601] RBP: ff1100000df64000 R08: 1fe22000016b39e1 R09: ff110000124b0b58
[   24.566575][  T601] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   24.566824][  T601] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   24.567063][  T601] FS:  00007fc774962840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   24.567345][  T601] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.567561][  T601] CR2: 00007fc774c321a0 CR3: 0000000015420002 CR4: 0000000000771ef0
[   24.567818][  T601] PKRU: 55555554
[   24.567963][  T601] Call Trace:
[   24.568113][  T601]  <TASK>
[   24.568228][  T601]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.568407][  T601]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.568561][  T601]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.568751][  T601]  __dev_notify_flags (net/core/dev.c:9787)
[   24.568930][  T601]  ? netif_change_name (net/core/dev.c:1495)
[   24.569113][  T601]  ? __dev_change_flags (net/core/dev.c:9752)
[   24.569292][  T601]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   24.569468][  T601]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.569665][  T601]  ? 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))
[   24.569846][  T601]  netif_change_flags (net/core/dev.c:9820)
[   24.570024][  T601]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.570211][  T601]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   24.570390][  T601]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.570576][  T601]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.570796][  T601]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.570974][  T601]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.571161][  T601]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.571338][  T601]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.571517][  T601]  ? __kernel_text_address (kernel/extable.c:79)
[   24.571705][  T601]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.571883][  T601]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.572060][  T601]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.572245][  T601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.572421][  T601]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.572605][  T601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.572793][  T601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.572971][  T601]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.573158][  T601]  ? __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)
[   24.573335][  T601]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.573514][  T601]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.573707][  T601]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.573888][  T601]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.574069][  T601]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.574257][  T601]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.574432][  T601]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.574617][  T601]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.574806][  T601]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.574982][  T601]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.575171][  T601]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.575351][  T601]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.575531][  T601]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.575723][  T601]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.575902][  T601]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.576089][  T601]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.576268][  T601]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.576445][  T601]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.576629][  T601]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.576822][  T601]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.576998][  T601]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.577185][  T601]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.577365][  T601]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.577552][  T601]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.577747][  T601]  ? 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))
[   24.577923][  T601]  ? 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))
[   24.578111][  T601]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.578291][  T601]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.578469][  T601]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.578668][  T601]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.578851][  T601]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.579029][  T601]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.579217][  T601]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.579393][  T601]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.579577][  T601]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.579816][  T601]  ? move_addr_to_kernel (net/socket.c:258)
[   24.579994][  T601]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.580183][  T601]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.580365][  T601]  ___sys_sendmsg (net/socket.c:2752)
[   24.580549][  T601]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.580778][  T601]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.580967][  T601]  __sys_sendmsg (net/socket.c:2784)
[   24.581155][  T601]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.581333][  T601]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.581555][  T601]  ? 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)
[   24.581746][  T601]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.581926][  T601]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.582110][  T601]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.582287][  T601]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.582465][  T601]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.582694][  T601] RIP: 0033:0x7fc774b9c08e
[   24.582877][  T601] 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
[   24.583395][  T601] RSP: 002b:00007ffedbdbe0d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.583644][  T601] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc774b9c08e
[   24.583897][  T601] RDX: 0000000000000000 RSI: 00007ffedbdbe180 RDI: 0000000000000005
[   24.584149][  T601] RBP: 00007ffedbdbe0e0 R08: 0000000000000000 R09: 0000000000000000
[   24.584387][  T601] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d842
[   24.584636][  T601] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffedbdbe840
| [   24.708346][  T605] ------------[ cut here ]------------
| [   24.708530][  T605] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/605
| [   24.708821][  T605] Modules linked in: xfrm_user nf_tables
| [   24.709316][  T605] Tainted: [W]=WARN
[   24.709469][  T605] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.709694][  T605] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.709910][  T605] 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
[   24.710422][  T605] RSP: 0018:ffa0000000a87020 EFLAGS: 00010286
[   24.710641][  T605] RAX: 00000000ffffffa6 RBX: ff1100000dd271c0 RCX: 1ff4000000150dca
[   24.710971][  T605] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd2727c
[   24.711288][  T605] RBP: ff1100000ea29000 R08: 1fe2200001ba4e51 R09: ff1100000aba8b58
[   24.711594][  T605] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   24.711854][  T605] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   24.712101][  T605] FS:  00007fd092330840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   24.712373][  T605] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.712589][  T605] CR2: 00007fd0926001a0 CR3: 0000000004b85006 CR4: 0000000000771ef0
[   24.712842][  T605] PKRU: 55555554
[   24.712985][  T605] Call Trace:
[   24.713137][  T605]  <TASK>
[   24.713253][  T605]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.713431][  T605]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.713585][  T605]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.713779][  T605]  __dev_notify_flags (net/core/dev.c:9787)
[   24.713959][  T605]  ? netif_change_name (net/core/dev.c:1495)
[   24.714145][  T605]  ? __dev_change_flags (net/core/dev.c:9752)
[   24.714323][  T605]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   24.714497][  T605]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.714695][  T605]  ? 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))
[   24.714876][  T605]  netif_change_flags (net/core/dev.c:9820)
[   24.715054][  T605]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   24.715239][  T605]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   24.715418][  T605]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   24.715608][  T605]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   24.715831][  T605]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   24.716008][  T605]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.716193][  T605]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   24.716368][  T605]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.716551][  T605]  ? __kernel_text_address (kernel/extable.c:79)
[   24.716743][  T605]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.716922][  T605]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.717105][  T605]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.717283][  T605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.717461][  T605]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.717646][  T605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.717836][  T605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.718014][  T605]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   24.718202][  T605]  ? __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)
[   24.718377][  T605]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   24.718562][  T605]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   24.718753][  T605]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   24.718932][  T605]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   24.719122][  T605]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.719302][  T605]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.719477][  T605]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.719670][  T605]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.719847][  T605]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.720023][  T605]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.720211][  T605]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.720390][  T605]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.720576][  T605]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.720767][  T605]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.720945][  T605]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.721129][  T605]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.721306][  T605]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.721482][  T605]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.721676][  T605]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.721858][  T605]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.722033][  T605]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.722220][  T605]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.722397][  T605]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.722583][  T605]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.722773][  T605]  ? 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))
[   24.722949][  T605]  ? 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))
[   24.723139][  T605]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.723322][  T605]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.723501][  T605]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.723701][  T605]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.723881][  T605]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.724060][  T605]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.724247][  T605]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.724425][  T605]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.724612][  T605]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.724831][  T605]  ? move_addr_to_kernel (net/socket.c:258)
[   24.725010][  T605]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   24.725192][  T605]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.725371][  T605]  ___sys_sendmsg (net/socket.c:2752)
[   24.725556][  T605]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   24.725780][  T605]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.725973][  T605]  __sys_sendmsg (net/socket.c:2784)
[   24.726159][  T605]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.726334][  T605]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   24.726551][  T605]  ? 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)
[   24.726740][  T605]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.726918][  T605]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.727100][  T605]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.727280][  T605]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.727457][  T605]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.727685][  T605] RIP: 0033:0x7fd09256a08e
[   24.727867][  T605] 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
[   24.728380][  T605] RSP: 002b:00007ffd4c994940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.728634][  T605] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd09256a08e
[   24.728887][  T605] RDX: 0000000000000000 RSI: 00007ffd4c9949f0 RDI: 0000000000000005
[   24.729131][  T605] RBP: 00007ffd4c994950 R08: 0000000000000000 R09: 0000000000000000
[   24.729371][  T605] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d842
[   24.729620][  T605] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4c9950b0
| [   24.737088][  T434] ------------[ cut here ]------------
| [   24.737222][  T434] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 2/434
| [   24.737460][  T434] Modules linked in: xfrm_user nf_tables
| [   24.737865][  T434] Tainted: [W]=WARN
[   24.737956][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.738114][  T434] Workqueue: events_unbound linkwatch_event
[   24.738272][  T434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.738428][  T434] 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
[   24.738866][  T434] RSP: 0018:ffa0000000e879e0 EFLAGS: 00010286
[   24.739019][  T434] RAX: 00000000ffffffa6 RBX: ff1100000dd26580 RCX: 1ff40000001d0f02
[   24.739207][  T434] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd2663c
[   24.739386][  T434] RBP: ff1100000ea29000 R08: 1fe2200001ba4cc9 R09: ff110000100f2ea8
[   24.739571][  T434] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   24.739762][  T434] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.739942][  T434] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   24.740162][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.740311][  T434] CR2: 00007fd0925bb2a0 CR3: 000000004994d004 CR4: 0000000000771ef0
[   24.740495][  T434] PKRU: 55555554
[   24.740586][  T434] Call Trace:
[   24.740682][  T434]  <TASK>
[   24.740744][  T434]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.740862][  T434]  ? notifier_call_chain (kernel/notifier.c:85)
[   24.740987][  T434]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.741078][  T434]  netif_state_change (net/core/dev.c:1605)
[   24.741203][  T434]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   24.741353][  T434]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   24.741471][  T434]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   24.741595][  T434]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.741723][  T434]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   24.741843][  T434]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   24.741966][  T434]  process_one_work (kernel/workqueue.c:3314)
[   24.742095][  T434]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   24.742216][  T434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.742338][  T434]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.742462][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.742585][  T434]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   24.742711][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.742829][  T434]  kthread (kernel/kthread.c:436)
[   24.742918][  T434]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.743066][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.743195][  T434]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.743318][  T434]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   24.743466][  T434]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.743590][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.743725][  T434]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.745524][  T434] ------------[ cut here ]------------
| [   24.745647][  T434] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 2/434
| [   24.745889][  T434] Modules linked in: xfrm_user nf_tables
| [   24.746292][  T434] Tainted: [W]=WARN
[   24.746384][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.746538][  T434] Workqueue: events_unbound linkwatch_event
[   24.746700][  T434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.746856][  T434] 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
[   24.747290][  T434] RSP: 0018:ffa0000000e879e0 EFLAGS: 00010286
[   24.747442][  T434] RAX: 00000000ffffffa6 RBX: ff11000008fed8c0 RCX: 1ff40000001d0f02
[   24.747623][  T434] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008fed97c
[   24.747885][  T434] RBP: ff1100000df64000 R08: 1fe22000011fdb31 R09: ff110000100f2ea8
[   24.748062][  T434] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   24.748244][  T434] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.748423][  T434] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   24.748639][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.748872][  T434] CR2: 00007fd0925bb2a0 CR3: 000000004994d004 CR4: 0000000000771ef0
[   24.749051][  T434] PKRU: 55555554
[   24.749145][  T434] Call Trace:
[   24.749232][  T434]  <TASK>
[   24.749294][  T434]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.749412][  T434]  ? notifier_call_chain (kernel/notifier.c:85)
[   24.749534][  T434]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.749626][  T434]  netif_state_change (net/core/dev.c:1605)
[   24.749819][  T434]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   24.749970][  T434]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   24.750094][  T434]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   24.750213][  T434]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.750344][  T434]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   24.750462][  T434]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   24.750586][  T434]  process_one_work (kernel/workqueue.c:3314)
[   24.750784][  T434]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   24.750903][  T434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.751031][  T434]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.751154][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.751272][  T434]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   24.751393][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.751513][  T434]  kthread (kernel/kthread.c:436)
[   24.751604][  T434]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.751809][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.751928][  T434]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.752047][  T434]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   24.752201][  T434]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.752318][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.752437][  T434]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.938701][  T613] ------------[ cut here ]------------
| [   24.938858][  T613] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/613
| [   24.939098][  T613] Modules linked in: xfrm_user nf_tables
| [   24.939513][  T613] Tainted: [W]=WARN
[   24.939614][  T613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.939789][  T613] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.939965][  T613] 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
[   24.940448][  T613] RSP: 0018:ffa0000000a26e30 EFLAGS: 00010286
[   24.940618][  T613] RAX: 00000000ffffffa6 RBX: ff1100000e5aa580 RCX: 1ff4000000144d8c
[   24.941347][  T613] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5aa63c
[   24.941551][  T613] RBP: ff1100000a331000 R08: 1fe2200001cb54c9 R09: ff11000012988b80
[   24.941758][  T613] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   24.941956][  T613] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b4c3180
[   24.942162][  T613] FS:  00007f02e671c840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   24.942395][  T613] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.942570][  T613] CR2: 00000000004eb188 CR3: 0000000012aeb005 CR4: 0000000000771ef0
[   24.942777][  T613] PKRU: 55555554
[   24.942878][  T613] Call Trace:
[   24.942977][  T613]  <TASK>
[   24.943046][  T613]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.943187][  T613]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.943288][  T613]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   24.943455][  T613]  __dev_notify_flags (net/core/dev.c:9787)
[   24.943596][  T613]  ? netif_change_name (net/core/dev.c:1495)
[   24.943731][  T613]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.943866][  T613]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.943998][  T613]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.944138][  T613]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   24.944273][  T613]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.944408][  T613]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   24.944545][  T613]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   24.944686][  T613]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   24.944819][  T613]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   24.944954][  T613]  veth_newlink (drivers/net/veth.c:1871)
[   24.945096][  T613]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   24.945228][  T613]  ? kasan_save_stack (mm/kasan/common.c:57)
[   24.945362][  T613]  ? kasan_save_track (mm/kasan/common.c:78)
[   24.945495][  T613]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   24.945647][  T613]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   24.945789][  T613]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   24.945925][  T613]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   24.946059][  T613]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   24.946200][  T613]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   24.946333][  T613]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   24.946468][  T613]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   24.946606][  T613]  ? __dev_get_by_name (net/core/dev.c:883)
[   24.946744][  T613]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   24.946883][  T613]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   24.947022][  T613]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.947163][  T613]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.947294][  T613]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.947425][  T613]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.947562][  T613]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.947698][  T613]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.947835][  T613]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.947969][  T613]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.948108][  T613]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.948242][  T613]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.948375][  T613]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.948512][  T613]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.948646][  T613]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.948784][  T613]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.948918][  T613]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.949051][  T613]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.949191][  T613]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.949327][  T613]  ? 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))
[   24.949458][  T613]  ? 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))
[   24.949598][  T613]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.949736][  T613]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.949871][  T613]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.950005][  T613]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.950144][  T613]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.950278][  T613]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.950412][  T613]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.950547][  T613]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.950685][  T613]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.950851][  T613]  ? move_addr_to_kernel (net/socket.c:258)
[   24.950986][  T613]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.951125][  T613]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   24.951259][  T613]  ___sys_sendmsg (net/socket.c:2752)
[   24.951390][  T613]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   24.951528][  T613]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.951669][  T613]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   24.951807][  T613]  ? 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))
[   24.951941][  T613]  __sys_sendmsg (net/socket.c:2784)
[   24.952074][  T613]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.952215][  T613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.952348][  T613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.952483][  T613]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.952617][  T613]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.952758][  T613]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.952891][  T613]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.953057][  T613] RIP: 0033:0x7f02e695608e
[   24.953201][  T613] 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
[   24.953684][  T613] RSP: 002b:00007ffd3d6a9d10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.953884][  T613] RAX: ffffffffffffffda RBX: 00007ffd3d6aa4a8 RCX: 00007f02e695608e
[   24.954089][  T613] RDX: 0000000000000000 RSI: 00007ffd3d6a9dc0 RDI: 0000000000000005
[   24.954287][  T613] RBP: 00007ffd3d6a9d20 R08: 0000000000000000 R09: 0000000000000000
[   24.954486][  T613] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d843
[   24.954694][  T613] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd3d6aa480
| [   24.962146][  T613] ------------[ cut here ]------------
| [   24.962288][  T613] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/613
| [   24.962526][  T613] Modules linked in: xfrm_user nf_tables
| [   24.963379][  T613] Tainted: [W]=WARN
[   24.963480][  T613] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.963649][  T613] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.963825][  T613] 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
[   24.964300][  T613] RSP: 0018:ffa0000000a271b0 EFLAGS: 00010286
[   24.964465][  T613] RAX: 00000000ffffffa6 RBX: ff11000005f78580 RCX: 1ff4000000144dfc
[   24.964669][  T613] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005f7863c
[   24.964868][  T613] RBP: ff1100000e949000 R08: 1fe2200000bef0c9 R09: ff11000012988b80
[   24.965064][  T613] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   24.965270][  T613] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   24.965467][  T613] FS:  00007f02e671c840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   24.965712][  T613] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.965876][  T613] CR2: 00000000004eb188 CR3: 0000000012aeb005 CR4: 0000000000771ef0
[   24.966076][  T613] PKRU: 55555554
[   24.966181][  T613] Call Trace:
[   24.966280][  T613]  <TASK>
[   24.966348][  T613]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   24.966482][  T613]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   24.966585][  T613]  __dev_notify_flags (net/core/dev.c:9787)
[   24.966724][  T613]  ? netif_change_name (net/core/dev.c:1495)
[   24.966858][  T613]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   24.966990][  T613]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   24.967131][  T613]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   24.967266][  T613]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   24.967400][  T613]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   24.967535][  T613]  ? __dev_get_by_name (net/core/dev.c:883)
[   24.967670][  T613]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   24.967811][  T613]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   24.967948][  T613]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   24.968093][  T613]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.968226][  T613]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.968357][  T613]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.968491][  T613]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   24.968626][  T613]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.968766][  T613]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.968900][  T613]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   24.969034][  T613]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   24.969173][  T613]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   24.969305][  T613]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.969436][  T613]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.969573][  T613]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.969711][  T613]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   24.969845][  T613]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   24.969977][  T613]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   24.970118][  T613]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   24.970255][  T613]  ? 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))
[   24.970388][  T613]  ? 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))
[   24.970528][  T613]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   24.970669][  T613]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   24.970804][  T613]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   24.970939][  T613]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   24.971073][  T613]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   24.971216][  T613]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   24.971350][  T613]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   24.971483][  T613]  ? copy_msghdr_from_user (net/socket.c:2635)
[   24.971617][  T613]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   24.971786][  T613]  ? move_addr_to_kernel (net/socket.c:258)
[   24.971920][  T613]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.972053][  T613]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   24.972193][  T613]  ___sys_sendmsg (net/socket.c:2752)
[   24.972327][  T613]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   24.972461][  T613]  ? copy_msghdr_from_user (net/socket.c:2603)
[   24.972602][  T613]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   24.972743][  T613]  ? 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))
[   24.972878][  T613]  __sys_sendmsg (net/socket.c:2784)
[   24.973011][  T613]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   24.973155][  T613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.973289][  T613]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.973422][  T613]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   24.973559][  T613]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   24.973698][  T613]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   24.973831][  T613]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   24.973995][  T613] RIP: 0033:0x7f02e695608e
[   24.974138][  T613] 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
[   24.974614][  T613] RSP: 002b:00007ffd3d6a9d10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   24.974821][  T613] RAX: ffffffffffffffda RBX: 00007ffd3d6aa4a8 RCX: 00007f02e695608e
[   24.975019][  T613] RDX: 0000000000000000 RSI: 00007ffd3d6a9dc0 RDI: 0000000000000005
[   24.975221][  T613] RBP: 00007ffd3d6a9d20 R08: 0000000000000000 R09: 0000000000000000
[   24.975419][  T613] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d843
[   24.975620][  T613] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd3d6aa480
| [   25.082835][  T617] ------------[ cut here ]------------
| [   25.082982][  T617] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/617
| [   25.083215][  T617] Modules linked in: xfrm_user nf_tables
| [   25.083614][  T617] Tainted: [W]=WARN
[   25.083720][  T617] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.083882][  T617] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.084054][  T617] 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
[   25.084529][  T617] RSP: 0018:ffa0000000ac7020 EFLAGS: 00010286
[   25.084699][  T617] RAX: 00000000ffffffa6 RBX: ff1100000d68f000 RCX: 1ff4000000158dca
[   25.084893][  T617] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68f0bc
[   25.085091][  T617] RBP: ff1100000e949000 R08: 1fe2200001ad1e19 R09: ff1100000fb3ae58
[   25.085284][  T617] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   25.085478][  T617] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.085682][  T617] FS:  00007f6815880840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   25.085911][  T617] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.086077][  T617] CR2: 00007f6815b501a0 CR3: 000000000d01b003 CR4: 0000000000771ef0
[   25.086281][  T617] PKRU: 55555554
[   25.086380][  T617] Call Trace:
[   25.086476][  T617]  <TASK>
[   25.086546][  T617]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.086687][  T617]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.086787][  T617]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.086918][  T617]  __dev_notify_flags (net/core/dev.c:9787)
[   25.087051][  T617]  ? netif_change_name (net/core/dev.c:1495)
[   25.087187][  T617]  ? __dev_change_flags (net/core/dev.c:9752)
[   25.087317][  T617]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.087448][  T617]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.087582][  T617]  ? 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))
[   25.088280][  T617]  netif_change_flags (net/core/dev.c:9820)
[   25.088415][  T617]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.088548][  T617]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   25.088687][  T617]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.088818][  T617]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.088983][  T617]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.089121][  T617]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.089251][  T617]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.089381][  T617]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.089515][  T617]  ? __kernel_text_address (kernel/extable.c:79)
[   25.089647][  T617]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.089784][  T617]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.089916][  T617]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.090049][  T617]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.090185][  T617]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.090317][  T617]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.090450][  T617]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.090581][  T617]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.090720][  T617]  ? __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)
[   25.090851][  T617]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.090983][  T617]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.091123][  T617]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.091258][  T617]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.091392][  T617]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.091530][  T617]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.091665][  T617]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.091795][  T617]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.091925][  T617]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.092057][  T617]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.092193][  T617]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.092324][  T617]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.092453][  T617]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.092587][  T617]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.092724][  T617]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.092855][  T617]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.092985][  T617]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.093120][  T617]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.093249][  T617]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.093381][  T617]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.093514][  T617]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.093645][  T617]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.093780][  T617]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.093911][  T617]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.094044][  T617]  ? 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))
[   25.094180][  T617]  ? 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))
[   25.094311][  T617]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.094441][  T617]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.094575][  T617]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.094712][  T617]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.094845][  T617]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.094977][  T617]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.095115][  T617]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.095246][  T617]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.095376][  T617]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.095542][  T617]  ? move_addr_to_kernel (net/socket.c:258)
[   25.095677][  T617]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.095807][  T617]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.095939][  T617]  ___sys_sendmsg (net/socket.c:2752)
[   25.096069][  T617]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.096240][  T617]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.096384][  T617]  __sys_sendmsg (net/socket.c:2784)
[   25.096516][  T617]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.096646][  T617]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.096818][  T617]  ? 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)
[   25.096949][  T617]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.097089][  T617]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.097221][  T617]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.097350][  T617]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.097480][  T617]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.097643][  T617] RIP: 0033:0x7f6815aba08e
[   25.097785][  T617] 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
[   25.098257][  T617] RSP: 002b:00007ffea610ab00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.098452][  T617] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6815aba08e
[   25.098649][  T617] RDX: 0000000000000000 RSI: 00007ffea610abb0 RDI: 0000000000000005
[   25.098848][  T617] RBP: 00007ffea610ab10 R08: 0000000000000000 R09: 0000000000000000
[   25.099042][  T617] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d843
[   25.099241][  T617] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea610b270
| [   25.206471][  T621] ------------[ cut here ]------------
| [   25.206621][  T621] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/621
| [   25.206853][  T621] Modules linked in: xfrm_user nf_tables
| [   25.207251][  T621] Tainted: [W]=WARN
[   25.207347][  T621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.207511][  T621] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.207765][  T621] 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
[   25.208229][  T621] RSP: 0018:ffa0000000a57020 EFLAGS: 00010286
[   25.208390][  T621] RAX: 00000000ffffffa6 RBX: ff1100001010e580 RCX: 1ff400000014adca
[   25.208584][  T621] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001010e63c
[   25.208855][  T621] RBP: ff1100000a331000 R08: 1fe2200002021cc9 R09: ff11000009aa5158
[   25.209047][  T621] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   25.209244][  T621] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.209436][  T621] FS:  00007fab9953d840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   25.209740][  T621] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.209987][  T621] CR2: 000000002829e988 CR3: 000000000f276003 CR4: 0000000000771ef0
[   25.210184][  T621] PKRU: 55555554
[   25.210281][  T621] Call Trace:
[   25.210376][  T621]  <TASK>
[   25.210442][  T621]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.210577][  T621]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.210760][  T621]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.210889][  T621]  __dev_notify_flags (net/core/dev.c:9787)
[   25.211019][  T621]  ? netif_change_name (net/core/dev.c:1495)
[   25.211163][  T621]  ? __dev_change_flags (net/core/dev.c:9752)
[   25.211292][  T621]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.211420][  T621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.211554][  T621]  ? 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))
[   25.211726][  T621]  netif_change_flags (net/core/dev.c:9820)
[   25.211856][  T621]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.211984][  T621]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   25.212122][  T621]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.212252][  T621]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.212414][  T621]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.212544][  T621]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.212677][  T621]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.212804][  T621]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.212932][  T621]  ? __kernel_text_address (kernel/extable.c:79)
[   25.213063][  T621]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.213198][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.213326][  T621]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.213455][  T621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.213591][  T621]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.213725][  T621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.213854][  T621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.213983][  T621]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.214122][  T621]  ? __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)
[   25.214255][  T621]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.214385][  T621]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.214517][  T621]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.214650][  T621]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.214788][  T621]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.214919][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.215047][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.215182][  T621]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.215313][  T621]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.215441][  T621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.215577][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.215710][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.215839][  T621]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.215969][  T621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.216104][  T621]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.216236][  T621]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.216365][  T621]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.216495][  T621]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.216627][  T621]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.216761][  T621]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.216890][  T621]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.217021][  T621]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.217154][  T621]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.217284][  T621]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.217416][  T621]  ? 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))
[   25.217547][  T621]  ? 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))
[   25.217682][  T621]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.217814][  T621]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.217946][  T621]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.218077][  T621]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.218215][  T621]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.218346][  T621]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.218477][  T621]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.218608][  T621]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.218743][  T621]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.218905][  T621]  ? move_addr_to_kernel (net/socket.c:258)
[   25.219039][  T621]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.219174][  T621]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.219305][  T621]  ___sys_sendmsg (net/socket.c:2752)
[   25.219436][  T621]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.219601][  T621]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.219754][  T621]  __sys_sendmsg (net/socket.c:2784)
[   25.219886][  T621]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.220015][  T621]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.220270][  T621]  ? 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)
[   25.220400][  T621]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.220535][  T621]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.220667][  T621]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.220796][  T621]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.220930][  T621]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.221094][  T621] RIP: 0033:0x7fab9977708e
[   25.221322][  T621] 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
[   25.221792][  T621] RSP: 002b:00007ffd1cc28a70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.222074][  T621] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fab9977708e
[   25.222274][  T621] RDX: 0000000000000000 RSI: 00007ffd1cc28b20 RDI: 0000000000000005
[   25.222557][  T621] RBP: 00007ffd1cc28a80 R08: 0000000000000000 R09: 0000000000000000
[   25.222757][  T621] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d843
[   25.222949][  T621] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd1cc291e0
| [   25.238483][   T39] ------------[ cut here ]------------
| [   25.238676][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/39
| [   25.238962][   T39] Modules linked in: xfrm_user nf_tables
| [   25.239463][   T39] Tainted: [W]=WARN
[   25.239608][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.239816][   T39] Workqueue: events_unbound linkwatch_event
[   25.240019][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.240242][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   25.240749][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   25.240945][   T39] RAX: 00000000ffffffa6 RBX: ff1100000f1dcc80 RCX: 1ff4000000057f02
[   25.241180][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1dcd3c
[   25.241403][   T39] RBP: ff1100000a331000 R08: 1fe2200001e3b9a9 R09: ff11000001da51a8
[   25.241635][   T39] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   25.241877][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.242114][   T39] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   25.242378][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.242582][   T39] CR2: 000055d401a1d440 CR3: 000000000df96004 CR4: 0000000000771ef0
[   25.242819][   T39] PKRU: 55555554
[   25.242955][   T39] Call Trace:
[   25.243097][   T39]  <TASK>
[   25.243205][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.243376][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.243548][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.243701][   T39]  netif_state_change (net/core/dev.c:1605)
[   25.243868][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   25.244066][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   25.244239][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   25.244405][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.244584][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   25.244761][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   25.244929][   T39]  process_one_work (kernel/workqueue.c:3314)
[   25.245106][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.245273][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.245443][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.245622][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.245798][   T39]  kthread (kernel/kthread.c:436)
[   25.245937][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.246138][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.246303][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.246470][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.246682][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.246849][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.247018][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.249378][   T39] ------------[ cut here ]------------
| [   25.249552][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/39
| [   25.249852][   T39] Modules linked in: xfrm_user nf_tables
| [   25.250348][   T39] Tainted: [W]=WARN
[   25.250484][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.250698][   T39] Workqueue: events_unbound linkwatch_event
[   25.250914][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.251122][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   25.251602][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   25.251825][   T39] RAX: 00000000ffffffa6 RBX: ff1100000f1dc040 RCX: 1ff4000000057f02
[   25.252050][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1dc0fc
[   25.252277][   T39] RBP: ff1100000e949000 R08: 1fe2200001e3b821 R09: ff11000001da51a8
[   25.252501][   T39] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   25.252746][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.252984][   T39] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   25.253246][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.253443][   T39] CR2: 000055d401a1d440 CR3: 000000000df96004 CR4: 0000000000771ef0
[   25.253686][   T39] PKRU: 55555554
[   25.253821][   T39] Call Trace:
[   25.253957][   T39]  <TASK>
[   25.254068][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.254244][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.254410][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.254555][   T39]  netif_state_change (net/core/dev.c:1605)
[   25.254733][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   25.254929][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   25.255103][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   25.255275][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.255444][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   25.255618][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   25.255794][   T39]  process_one_work (kernel/workqueue.c:3314)
[   25.255964][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.256138][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.256309][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.256481][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.256724][   T39]  kthread (kernel/kthread.c:436)
[   25.256864][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.257058][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.257233][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.257400][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.257605][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.257864][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.258030][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.414411][  T629] ------------[ cut here ]------------
| [   25.414606][  T629] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/629
| [   25.414904][  T629] Modules linked in: xfrm_user nf_tables
| [   25.415418][  T629] Tainted: [W]=WARN
[   25.415574][  T629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.415804][  T629] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.416028][  T629] 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
[   25.416563][  T629] RSP: 0018:ffa0000000936e30 EFLAGS: 00010286
[   25.416794][  T629] RAX: 00000000ffffffa6 RBX: ff1100000dd00c80 RCX: 1ff4000000126d8c
[   25.417041][  T629] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd00d3c
[   25.417295][  T629] RBP: ff1100000f211000 R08: 1fe2200001ba01a9 R09: ff1100000fd28b80
[   25.417547][  T629] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.417805][  T629] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014cd7880
[   25.418055][  T629] FS:  00007fb409994840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   25.418346][  T629] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.418571][  T629] CR2: 00000000004eb188 CR3: 0000000015463004 CR4: 0000000000771ef0
[   25.418836][  T629] PKRU: 55555554
[   25.418982][  T629] Call Trace:
[   25.419137][  T629]  <TASK>
[   25.419254][  T629]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.419438][  T629]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.419595][  T629]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   25.419823][  T629]  __dev_notify_flags (net/core/dev.c:9787)
[   25.420008][  T629]  ? netif_change_name (net/core/dev.c:1495)
[   25.420197][  T629]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.420378][  T629]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.420566][  T629]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.420762][  T629]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   25.420946][  T629]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.421132][  T629]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.421317][  T629]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   25.421497][  T629]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.421697][  T629]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   25.421882][  T629]  veth_newlink (drivers/net/veth.c:1871)
[   25.422066][  T629]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   25.422254][  T629]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.422437][  T629]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.422627][  T629]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   25.422840][  T629]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   25.423020][  T629]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   25.423210][  T629]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   25.423391][  T629]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   25.423583][  T629]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   25.423778][  T629]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   25.423964][  T629]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   25.424155][  T629]  ? __dev_get_by_name (net/core/dev.c:883)
[   25.424337][  T629]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   25.424531][  T629]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   25.424731][  T629]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.424914][  T629]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.425102][  T629]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.425284][  T629]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.425464][  T629]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.425664][  T629]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.425849][  T629]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.426030][  T629]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.426220][  T629]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.426401][  T629]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.426588][  T629]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.426781][  T629]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.426964][  T629]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.427152][  T629]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.427337][  T629]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.427521][  T629]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.427717][  T629]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.427902][  T629]  ? 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))
[   25.428090][  T629]  ? 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))
[   25.428273][  T629]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.428457][  T629]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.428647][  T629]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.428843][  T629]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.429026][  T629]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.429217][  T629]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.429402][  T629]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.429592][  T629]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.429786][  T629]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.429998][  T629]  ? move_addr_to_kernel (net/socket.c:258)
[   25.430191][  T629]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.430376][  T629]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   25.430568][  T629]  ___sys_sendmsg (net/socket.c:2752)
[   25.430763][  T629]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   25.430947][  T629]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.431137][  T629]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   25.431324][  T629]  ? 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))
[   25.431512][  T629]  __sys_sendmsg (net/socket.c:2784)
[   25.431748][  T629]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.431934][  T629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.432124][  T629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.432307][  T629]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.432487][  T629]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.432687][  T629]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.432870][  T629]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.433093][  T629] RIP: 0033:0x7fb409bce08e
[   25.433281][  T629] 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
[   25.433824][  T629] RSP: 002b:00007ffc59545ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.434072][  T629] RAX: ffffffffffffffda RBX: 00007ffc59546478 RCX: 00007fb409bce08e
[   25.434327][  T629] RDX: 0000000000000000 RSI: 00007ffc59545d90 RDI: 0000000000000005
[   25.434581][  T629] RBP: 00007ffc59545cf0 R08: 0000000000000000 R09: 0000000000000000
[   25.434837][  T629] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d843
[   25.435089][  T629] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc59546450
| [   25.448337][  T629] ------------[ cut here ]------------
| [   25.448515][  T629] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/629
| [   25.449447][  T629] Modules linked in: xfrm_user nf_tables
| [   25.450107][  T629] Tainted: [W]=WARN
[   25.450255][  T629] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.450466][  T629] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.450704][  T629] 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
[   25.451226][  T629] RSP: 0018:ffa00000009371b0 EFLAGS: 00010286
[   25.451439][  T629] RAX: 00000000ffffffa6 RBX: ff1100000cbffa80 RCX: 1ff4000000126dfc
[   25.451701][  T629] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cbffb3c
[   25.451943][  T629] RBP: ff1100001249c000 R08: 1fe220000197ff69 R09: ff1100000fd28b80
[   25.452192][  T629] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.452433][  T629] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   25.452699][  T629] FS:  00007fb409994840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   25.452977][  T629] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.453197][  T629] CR2: 00000000004eb188 CR3: 0000000015463004 CR4: 0000000000771ef0
[   25.453440][  T629] PKRU: 55555554
[   25.453592][  T629] Call Trace:
[   25.453763][  T629]  <TASK>
[   25.453879][  T629]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.454063][  T629]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.454220][  T629]  __dev_notify_flags (net/core/dev.c:9787)
[   25.454402][  T629]  ? netif_change_name (net/core/dev.c:1495)
[   25.454590][  T629]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   25.454791][  T629]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   25.454973][  T629]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   25.455166][  T629]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   25.455350][  T629]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   25.455626][  T629]  ? __dev_get_by_name (net/core/dev.c:883)
[   25.455820][  T629]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   25.456005][  T629]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   25.456199][  T629]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.456472][  T629]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.456667][  T629]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.456850][  T629]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.457030][  T629]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.457308][  T629]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.457492][  T629]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.457692][  T629]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.457872][  T629]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.458148][  T629]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.458330][  T629]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.458516][  T629]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.458802][  T629]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.458980][  T629]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.459167][  T629]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.459345][  T629]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.459529][  T629]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.459813][  T629]  ? 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))
[   25.459992][  T629]  ? 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))
[   25.460185][  T629]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.460368][  T629]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.460641][  T629]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.460837][  T629]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.461018][  T629]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.461209][  T629]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.461481][  T629]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.461682][  T629]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.461861][  T629]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.462166][  T629]  ? move_addr_to_kernel (net/socket.c:258)
[   25.462349][  T629]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.462532][  T629]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   25.462727][  T629]  ___sys_sendmsg (net/socket.c:2752)
[   25.462992][  T629]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   25.463188][  T629]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.463375][  T629]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   25.463570][  T629]  ? 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))
[   25.463858][  T629]  __sys_sendmsg (net/socket.c:2784)
[   25.464043][  T629]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.464236][  T629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.464419][  T629]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.464714][  T629]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.464903][  T629]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.465090][  T629]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.465270][  T629]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.465576][  T629] RIP: 0033:0x7fb409bce08e
[   25.465770][  T629] 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
[   25.466386][  T629] RSP: 002b:00007ffc59545ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.466641][  T629] RAX: ffffffffffffffda RBX: 00007ffc59546478 RCX: 00007fb409bce08e
[   25.466982][  T629] RDX: 0000000000000000 RSI: 00007ffc59545d90 RDI: 0000000000000005
[   25.467253][  T629] RBP: 00007ffc59545cf0 R08: 0000000000000000 R09: 0000000000000000
[   25.467506][  T629] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d843
[   25.467769][  T629] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc59546450
| [   25.573261][  T633] ------------[ cut here ]------------
| [   25.573454][  T633] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/633
| [   25.574375][  T633] Modules linked in: xfrm_user nf_tables
| [   25.574897][  T633] Tainted: [W]=WARN
[   25.575040][  T633] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.575255][  T633] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.575469][  T633] 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
[   25.575986][  T633] RSP: 0018:ffa0000000b07020 EFLAGS: 00010286
[   25.576203][  T633] RAX: 00000000ffffffa6 RBX: ff1100001001d380 RCX: 1ff4000000160dca
[   25.576438][  T633] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001001d43c
[   25.576692][  T633] RBP: ff1100001249c000 R08: 1fe2200002003a89 R09: ff1100000e46d158
[   25.576931][  T633] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   25.577180][  T633] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.577418][  T633] FS:  00007f08282d5840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   25.577705][  T633] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.577916][  T633] CR2: 00000000383b4988 CR3: 000000001544e005 CR4: 0000000000771ef0
[   25.578165][  T633] PKRU: 55555554
[   25.578307][  T633] Call Trace:
[   25.578449][  T633]  <TASK>
[   25.578570][  T633]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.578761][  T633]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.578905][  T633]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.579079][  T633]  __dev_notify_flags (net/core/dev.c:9787)
[   25.579268][  T633]  ? netif_change_name (net/core/dev.c:1495)
[   25.579443][  T633]  ? __dev_change_flags (net/core/dev.c:9752)
[   25.579626][  T633]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.579823][  T633]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.580000][  T633]  ? 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))
[   25.580187][  T633]  netif_change_flags (net/core/dev.c:9820)
[   25.580364][  T633]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.580549][  T633]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   25.580737][  T633]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.580912][  T633]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.581126][  T633]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.581302][  T633]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.581477][  T633]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.581672][  T633]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.581848][  T633]  ? __kernel_text_address (kernel/extable.c:79)
[   25.582030][  T633]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.582217][  T633]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.582394][  T633]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.582578][  T633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.582765][  T633]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.582942][  T633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.583124][  T633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.583301][  T633]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.583477][  T633]  ? __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)
[   25.583669][  T633]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.583848][  T633]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.584023][  T633]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.584210][  T633]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.584394][  T633]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.584580][  T633]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.584764][  T633]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.584938][  T633]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.585120][  T633]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.585294][  T633]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.585472][  T633]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.585662][  T633]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.585840][  T633]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.586014][  T633]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.586195][  T633]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.586370][  T633]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.586552][  T633]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.586735][  T633]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.586910][  T633]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.587094][  T633]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.587271][  T633]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.587447][  T633]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.587628][  T633]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.587816][  T633]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.587994][  T633]  ? 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))
[   25.588176][  T633]  ? 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))
[   25.588352][  T633]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.588533][  T633]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.588721][  T633]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.588897][  T633]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.589073][  T633]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.589255][  T633]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.589431][  T633]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.589613][  T633]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.589799][  T633]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.590004][  T633]  ? move_addr_to_kernel (net/socket.c:258)
[   25.590189][  T633]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.590362][  T633]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.590542][  T633]  ___sys_sendmsg (net/socket.c:2752)
[   25.590730][  T633]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.590939][  T633]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.591135][  T633]  __sys_sendmsg (net/socket.c:2784)
[   25.591310][  T633]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.591482][  T633]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.591706][  T633]  ? 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)
[   25.591881][  T633]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.592056][  T633]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.592237][  T633]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.592409][  T633]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.592595][  T633]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.592811][  T633] RIP: 0033:0x7f082850f08e
[   25.592991][  T633] 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
[   25.593491][  T633] RSP: 002b:00007ffc1918e5e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.593751][  T633] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f082850f08e
[   25.593985][  T633] RDX: 0000000000000000 RSI: 00007ffc1918e690 RDI: 0000000000000005
[   25.594225][  T633] RBP: 00007ffc1918e5f0 R08: 0000000000000000 R09: 0000000000000000
[   25.594459][  T633] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d843
[   25.594719][  T633] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc1918ed50
| [   25.700227][  T637] ------------[ cut here ]------------
| [   25.700375][  T637] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/637
| [   25.700605][  T637] Modules linked in: xfrm_user nf_tables
| [   25.701004][  T637] Tainted: [W]=WARN
[   25.701105][  T637] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.701266][  T637] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.701438][  T637] 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
[   25.701900][  T637] RSP: 0018:ffa0000000b37020 EFLAGS: 00010286
[   25.702061][  T637] RAX: 00000000ffffffa6 RBX: ff110000122fdc40 RCX: 1ff4000000166dca
[   25.702255][  T637] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000122fdcfc
[   25.702443][  T637] RBP: ff1100000f211000 R08: 1fe220000245fba1 R09: ff11000008e6d158
[   25.702637][  T637] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   25.702833][  T637] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.703025][  T637] FS:  00007f71401ed840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   25.703250][  T637] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.703410][  T637] CR2: 00000000334f9988 CR3: 000000000fdfe003 CR4: 0000000000771ef0
[   25.703607][  T637] PKRU: 55555554
[   25.703710][  T637] Call Trace:
[   25.703805][  T637]  <TASK>
[   25.703872][  T637]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.704001][  T637]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.704102][  T637]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.704229][  T637]  __dev_notify_flags (net/core/dev.c:9787)
[   25.704357][  T637]  ? netif_change_name (net/core/dev.c:1495)
[   25.704484][  T637]  ? __dev_change_flags (net/core/dev.c:9752)
[   25.704615][  T637]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.704748][  T637]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.704877][  T637]  ? 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))
[   25.705007][  T637]  netif_change_flags (net/core/dev.c:9820)
[   25.705143][  T637]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.705269][  T637]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   25.705399][  T637]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.705531][  T637]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.705748][  T637]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.705929][  T637]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.706055][  T637]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.706186][  T637]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.706314][  T637]  ? __kernel_text_address (kernel/extable.c:79)
[   25.706441][  T637]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.706572][  T637]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.706773][  T637]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.706900][  T637]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.707028][  T637]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.707159][  T637]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.707285][  T637]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.707412][  T637]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.707543][  T637]  ? __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)
[   25.707743][  T637]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.707872][  T637]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.708001][  T637]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.708133][  T637]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.708264][  T637]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.708392][  T637]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.708522][  T637]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.708648][  T637]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.708856][  T637]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.708984][  T637]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.709119][  T637]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.709245][  T637]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.709371][  T637]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.709497][  T637]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.709628][  T637]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.709836][  T637]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.709962][  T637]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.710094][  T637]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.710220][  T637]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.710347][  T637]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.710473][  T637]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.710604][  T637]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.710803][  T637]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.710930][  T637]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.711059][  T637]  ? 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))
[   25.711190][  T637]  ? 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))
[   25.711318][  T637]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.711446][  T637]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.711575][  T637]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.711777][  T637]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.711905][  T637]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.712033][  T637]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.712168][  T637]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.712296][  T637]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.712422][  T637]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.712582][  T637]  ? move_addr_to_kernel (net/socket.c:258)
[   25.712762][  T637]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.712889][  T637]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.713017][  T637]  ___sys_sendmsg (net/socket.c:2752)
[   25.713150][  T637]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.713307][  T637]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.713444][  T637]  __sys_sendmsg (net/socket.c:2784)
[   25.713575][  T637]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.713754][  T637]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.713914][  T637]  ? 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)
[   25.714041][  T637]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.714174][  T637]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.714299][  T637]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.714425][  T637]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.714556][  T637]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.714765][  T637] RIP: 0033:0x7f714042708e
[   25.714898][  T637] 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
[   25.715354][  T637] RSP: 002b:00007ffece19b3f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.715547][  T637] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f714042708e
[   25.715774][  T637] RDX: 0000000000000000 RSI: 00007ffece19b4a0 RDI: 0000000000000005
[   25.715962][  T637] RBP: 00007ffece19b400 R08: 0000000000000000 R09: 0000000000000000
[   25.716154][  T637] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d843
[   25.716343][  T637] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffece19bb60
| [   25.723932][   T39] ------------[ cut here ]------------
| [   25.724065][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/39
| [   25.724304][   T39] Modules linked in: xfrm_user nf_tables
| [   25.724698][   T39] Tainted: [W]=WARN
[   25.724787][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.724934][   T39] Workqueue: events_unbound linkwatch_event
[   25.725092][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.725247][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   25.725676][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   25.725827][   T39] RAX: 00000000ffffffa6 RBX: ff1100001213a3c0 RCX: 1ff4000000057f02
[   25.726009][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001213a47c
[   25.726188][   T39] RBP: ff1100000f211000 R08: 1fe2200002427491 R09: ff11000001da51a8
[   25.726361][   T39] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   25.726536][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.726719][   T39] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   25.726923][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.727070][   T39] CR2: 000055d3d5b6bd5c CR3: 000000000eb7e005 CR4: 0000000000771ef0
[   25.727249][   T39] PKRU: 55555554
[   25.727336][   T39] Call Trace:
[   25.727423][   T39]  <TASK>
[   25.727484][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.727604][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.727727][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.727822][   T39]  netif_state_change (net/core/dev.c:1605)
[   25.727940][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   25.728093][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   25.728214][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   25.728344][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.728470][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   25.728590][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   25.728714][   T39]  process_one_work (kernel/workqueue.c:3314)
[   25.728836][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.728954][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.729075][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.729201][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.729321][   T39]  kthread (kernel/kthread.c:436)
[   25.729409][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.729557][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.729680][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.729798][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.729944][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.730061][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.730182][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.732113][   T39] ------------[ cut here ]------------
| [   25.732235][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/39
| [   25.732465][   T39] Modules linked in: xfrm_user nf_tables
| [   25.732868][   T39] Tainted: [W]=WARN
[   25.732956][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.733107][   T39] Workqueue: events_unbound linkwatch_event
[   25.733258][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.733409][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   25.733842][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   25.733994][   T39] RAX: 00000000ffffffa6 RBX: ff110000122fcac0 RCX: 1ff4000000057f02
[   25.734173][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000122fcb7c
[   25.734346][   T39] RBP: ff1100001249c000 R08: 1fe220000245f971 R09: ff11000001da51a8
[   25.734528][   T39] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   25.734708][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.734884][   T39] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   25.735093][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.735240][   T39] CR2: 000055d3d5b6bd5c CR3: 000000004994d006 CR4: 0000000000771ef0
[   25.735416][   T39] PKRU: 55555554
[   25.735508][   T39] Call Trace:
[   25.735597][   T39]  <TASK>
[   25.735664][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.735781][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.735897][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.735987][   T39]  netif_state_change (net/core/dev.c:1605)
[   25.736115][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   25.736262][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   25.736379][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   25.736498][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.736622][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   25.736744][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   25.736861][   T39]  process_one_work (kernel/workqueue.c:3314)
[   25.736982][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.737104][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.737226][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.737349][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.737466][   T39]  kthread (kernel/kthread.c:436)
[   25.737557][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.737708][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.737826][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.737943][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.738096][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.738220][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.738338][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.911407][  T645] ------------[ cut here ]------------
| [   25.911607][  T645] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/645
| [   25.911902][  T645] Modules linked in: xfrm_user nf_tables
| [   25.912416][  T645] Tainted: [W]=WARN
[   25.912573][  T645] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.912802][  T645] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.913025][  T645] 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
[   25.913569][  T645] RSP: 0018:ffa0000000b16e30 EFLAGS: 00010286
[   25.913801][  T645] RAX: 00000000ffffffa6 RBX: ff1100000ce10900 RCX: 1ff4000000162d8c
[   25.914046][  T645] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce109bc
[   25.914300][  T645] RBP: ff11000009141000 R08: 1fe22000019c2139 R09: ff1100000e60d180
[   25.914559][  T645] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.914883][  T645] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c67e380
[   25.915192][  T645] FS:  00007fb024a89840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   25.915539][  T645] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.915826][  T645] CR2: 00000000004eb188 CR3: 00000000154d8004 CR4: 0000000000771ef0
[   25.916136][  T645] PKRU: 55555554
[   25.916339][  T645] Call Trace:
[   25.916549][  T645]  <TASK>
[   25.916733][  T645]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.916995][  T645]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.917220][  T645]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   25.917490][  T645]  __dev_notify_flags (net/core/dev.c:9787)
[   25.917749][  T645]  ? netif_change_name (net/core/dev.c:1495)
[   25.917984][  T645]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.918229][  T645]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.918420][  T645]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.918612][  T645]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   25.918808][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.918993][  T645]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.919185][  T645]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   25.919367][  T645]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.919554][  T645]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   25.919752][  T645]  veth_newlink (drivers/net/veth.c:1871)
[   25.919935][  T645]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   25.920124][  T645]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.920309][  T645]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.920490][  T645]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   25.920711][  T645]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   25.920892][  T645]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   25.921076][  T645]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   25.921266][  T645]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   25.921449][  T645]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   25.921642][  T645]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   25.921842][  T645]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   25.922025][  T645]  ? __dev_get_by_name (net/core/dev.c:883)
[   25.922215][  T645]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   25.922402][  T645]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   25.922596][  T645]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.922793][  T645]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.922974][  T645]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.923166][  T645]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.923348][  T645]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.923533][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.923734][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.923918][  T645]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.924107][  T645]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.924291][  T645]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.924473][  T645]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.924676][  T645]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.924862][  T645]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.925042][  T645]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.925234][  T645]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.925415][  T645]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.925607][  T645]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.925808][  T645]  ? 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))
[   25.925990][  T645]  ? 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))
[   25.926187][  T645]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.926374][  T645]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.926567][  T645]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.926764][  T645]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.926948][  T645]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.927136][  T645]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.927322][  T645]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.927510][  T645]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.927705][  T645]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.927919][  T645]  ? move_addr_to_kernel (net/socket.c:258)
[   25.928109][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.928292][  T645]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   25.928474][  T645]  ___sys_sendmsg (net/socket.c:2752)
[   25.928673][  T645]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   25.928860][  T645]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.929046][  T645]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   25.929240][  T645]  ? 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))
[   25.929424][  T645]  __sys_sendmsg (net/socket.c:2784)
[   25.929615][  T645]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.929809][  T645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.929991][  T645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.930183][  T645]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.930369][  T645]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.930557][  T645]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.930753][  T645]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.930966][  T645] RIP: 0033:0x7fb024cc308e
[   25.931162][  T645] 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
[   25.931703][  T645] RSP: 002b:00007ffd1f362330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.931950][  T645] RAX: ffffffffffffffda RBX: 00007ffd1f362ac8 RCX: 00007fb024cc308e
[   25.932205][  T645] RDX: 0000000000000000 RSI: 00007ffd1f3623e0 RDI: 0000000000000005
[   25.932453][  T645] RBP: 00007ffd1f362340 R08: 0000000000000000 R09: 0000000000000000
[   25.932722][  T645] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d844
[   25.932967][  T645] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd1f362aa0
| [   25.946824][  T645] ------------[ cut here ]------------
| [   25.946971][  T645] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/645
| [   25.947208][  T645] Modules linked in: xfrm_user nf_tables
| [   25.947612][  T645] Tainted: [W]=WARN
[   25.947720][  T645] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.947886][  T645] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.948058][  T645] 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
[   25.948534][  T645] RSP: 0018:ffa0000000b171b0 EFLAGS: 00010286
[   25.948708][  T645] RAX: 00000000ffffffa6 RBX: ff1100000dda83c0 RCX: 1ff4000000162dfc
[   25.948908][  T645] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda847c
[   25.949114][  T645] RBP: ff1100000e734000 R08: 1fe2200001bb5091 R09: ff1100000e60d180
[   25.949313][  T645] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   25.949514][  T645] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   25.949717][  T645] FS:  00007fb024a89840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   25.949948][  T645] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.950121][  T645] CR2: 00007fe3eab60000 CR3: 00000000154d8004 CR4: 0000000000771ef0
[   25.950319][  T645] PKRU: 55555554
[   25.950419][  T645] Call Trace:
[   25.950518][  T645]  <TASK>
[   25.950586][  T645]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.950727][  T645]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.950828][  T645]  __dev_notify_flags (net/core/dev.c:9787)
[   25.950959][  T645]  ? netif_change_name (net/core/dev.c:1495)
[   25.951097][  T645]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   25.951231][  T645]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   25.951365][  T645]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   25.951503][  T645]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   25.951639][  T645]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   25.951777][  T645]  ? __dev_get_by_name (net/core/dev.c:883)
[   25.951909][  T645]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   25.952049][  T645]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   25.952192][  T645]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.952327][  T645]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.952459][  T645]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.952595][  T645]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.952730][  T645]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.952861][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.952997][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.953136][  T645]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.953268][  T645]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.953400][  T645]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.953534][  T645]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.953669][  T645]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.953804][  T645]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.953934][  T645]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.954068][  T645]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.954204][  T645]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.954337][  T645]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.954472][  T645]  ? 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))
[   25.954629][  T645]  ? 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))
[   25.955132][  T645]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.955268][  T645]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.955402][  T645]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.955540][  T645]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.955679][  T645]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.955813][  T645]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.955947][  T645]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.956078][  T645]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.956215][  T645]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.956378][  T645]  ? move_addr_to_kernel (net/socket.c:258)
[   25.956514][  T645]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.956646][  T645]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   25.956783][  T645]  ___sys_sendmsg (net/socket.c:2752)
[   25.956916][  T645]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   25.957048][  T645]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.957193][  T645]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   25.957329][  T645]  ? 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))
[   25.957463][  T645]  __sys_sendmsg (net/socket.c:2784)
[   25.957598][  T645]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.957737][  T645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.957868][  T645]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.958001][  T645]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.958138][  T645]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.958271][  T645]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.958402][  T645]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.958569][  T645] RIP: 0033:0x7fb024cc308e
[   25.958712][  T645] 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
[   25.959187][  T645] RSP: 002b:00007ffd1f362330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.959384][  T645] RAX: ffffffffffffffda RBX: 00007ffd1f362ac8 RCX: 00007fb024cc308e
[   25.959581][  T645] RDX: 0000000000000000 RSI: 00007ffd1f3623e0 RDI: 0000000000000005
[   25.959780][  T645] RBP: 00007ffd1f362340 R08: 0000000000000000 R09: 0000000000000000
[   25.959976][  T645] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d844
[   25.960178][  T645] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd1f362aa0
| [   26.066023][  T649] ------------[ cut here ]------------
| [   26.066176][  T649] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/649
| [   26.066406][  T649] Modules linked in: xfrm_user nf_tables
| [   26.067518][  T649] Tainted: [W]=WARN
[   26.067618][  T649] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.067838][  T649] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.068009][  T649] 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
[   26.068476][  T649] RSP: 0018:ffa0000000b97020 EFLAGS: 00010286
[   26.068641][  T649] RAX: 00000000ffffffa6 RBX: ff1100000be31380 RCX: 1ff4000000172dca
[   26.068891][  T649] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be3143c
[   26.069089][  T649] RBP: ff1100000e734000 R08: 1fe22000017c6289 R09: ff1100000fae0b58
[   26.069285][  T649] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   26.069478][  T649] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   26.069735][  T649] FS:  00007fd2dcd8d840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   26.069964][  T649] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.070133][  T649] CR2: 000000000d292988 CR3: 000000000fe04002 CR4: 0000000000771ef0
[   26.070329][  T649] PKRU: 55555554
[   26.070427][  T649] Call Trace:
[   26.070529][  T649]  <TASK>
[   26.070596][  T649]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.070783][  T649]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.070884][  T649]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   26.071015][  T649]  __dev_notify_flags (net/core/dev.c:9787)
[   26.071152][  T649]  ? netif_change_name (net/core/dev.c:1495)
[   26.071283][  T649]  ? __dev_change_flags (net/core/dev.c:9752)
[   26.071414][  T649]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   26.071547][  T649]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.071684][  T649]  ? 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))
[   26.071816][  T649]  netif_change_flags (net/core/dev.c:9820)
[   26.071947][  T649]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   26.072077][  T649]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   26.072214][  T649]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   26.072345][  T649]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   26.072511][  T649]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.072641][  T649]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.072777][  T649]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.072906][  T649]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.073038][  T649]  ? __kernel_text_address (kernel/extable.c:79)
[   26.073174][  T649]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.073307][  T649]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.073436][  T649]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.073570][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.073705][  T649]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.073835][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.073965][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.074098][  T649]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   26.074230][  T649]  ? __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)
[   26.074361][  T649]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   26.074492][  T649]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.074627][  T649]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   26.074763][  T649]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   26.074896][  T649]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   26.075029][  T649]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.075161][  T649]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.075290][  T649]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.075422][  T649]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.075556][  T649]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.075695][  T649]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.075824][  T649]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.075955][  T649]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.076090][  T649]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.076222][  T649]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.076353][  T649]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.076482][  T649]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.076613][  T649]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.076747][  T649]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.076879][  T649]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.077007][  T649]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.077146][  T649]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.077276][  T649]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.077408][  T649]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.077544][  T649]  ? 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))
[   26.077680][  T649]  ? 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))
[   26.077813][  T649]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.077943][  T649]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.078074][  T649]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.078210][  T649]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.078341][  T649]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.078472][  T649]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.078607][  T649]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.078742][  T649]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.078870][  T649]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.079030][  T649]  ? move_addr_to_kernel (net/socket.c:258)
[   26.079165][  T649]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.079294][  T649]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.079427][  T649]  ___sys_sendmsg (net/socket.c:2752)
[   26.079561][  T649]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.079728][  T649]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.079870][  T649]  __sys_sendmsg (net/socket.c:2784)
[   26.080000][  T649]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.080133][  T649]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.080298][  T649]  ? 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)
[   26.080431][  T649]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.080565][  T649]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.080699][  T649]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.080831][  T649]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.080961][  T649]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.081127][  T649] RIP: 0033:0x7fd2dcfc708e
[   26.081264][  T649] 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
[   26.081736][  T649] RSP: 002b:00007ffcb2500ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.081931][  T649] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd2dcfc708e
[   26.082129][  T649] RDX: 0000000000000000 RSI: 00007ffcb2500f50 RDI: 0000000000000005
[   26.082325][  T649] RBP: 00007ffcb2500eb0 R08: 0000000000000000 R09: 0000000000000000
[   26.082524][  T649] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d844
[   26.082723][  T649] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb2501610
| [   26.182017][  T653] ------------[ cut here ]------------
| [   26.182166][  T653] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/653
| [   26.182396][  T653] Modules linked in: xfrm_user nf_tables
| [   26.183136][  T653] Tainted: [W]=WARN
[   26.183237][  T653] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.183401][  T653] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.183576][  T653] 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
[   26.184116][  T653] RSP: 0018:ffa0000000937020 EFLAGS: 00010286
[   26.184281][  T653] RAX: 00000000ffffffa6 RBX: ff11000012440c80 RCX: 1ff4000000126dca
[   26.184477][  T653] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012440d3c
[   26.184734][  T653] RBP: ff11000009141000 R08: 1fe22000024881a9 R09: ff11000008d7ae58
[   26.184928][  T653] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   26.185128][  T653] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   26.185378][  T653] FS:  00007f86d4b4d840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   26.185611][  T653] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.185830][  T653] CR2: 0000000024e29988 CR3: 00000000154aa005 CR4: 0000000000771ef0
[   26.186025][  T653] PKRU: 55555554
[   26.186128][  T653] Call Trace:
[   26.186225][  T653]  <TASK>
[   26.186293][  T653]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.186426][  T653]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.186530][  T653]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   26.186666][  T653]  __dev_notify_flags (net/core/dev.c:9787)
[   26.186798][  T653]  ? netif_change_name (net/core/dev.c:1495)
[   26.186928][  T653]  ? __dev_change_flags (net/core/dev.c:9752)
[   26.187060][  T653]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   26.187196][  T653]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.187326][  T653]  ? 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))
[   26.187460][  T653]  netif_change_flags (net/core/dev.c:9820)
[   26.187596][  T653]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   26.187730][  T653]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   26.187862][  T653]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   26.187992][  T653]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   26.188160][  T653]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.188290][  T653]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.188421][  T653]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.188555][  T653]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.188690][  T653]  ? __kernel_text_address (kernel/extable.c:79)
[   26.188820][  T653]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.188951][  T653]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.189080][  T653]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.189216][  T653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.189347][  T653]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.189475][  T653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.189607][  T653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.189743][  T653]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   26.189875][  T653]  ? __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)
[   26.190005][  T653]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   26.190141][  T653]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.190274][  T653]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   26.190410][  T653]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   26.190547][  T653]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   26.190685][  T653]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.190814][  T653]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.190944][  T653]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.191074][  T653]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.191210][  T653]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.191343][  T653]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.191475][  T653]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.191608][  T653]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.191744][  T653]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.191876][  T653]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.192007][  T653]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.192142][  T653]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.192272][  T653]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.192404][  T653]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.192539][  T653]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.192675][  T653]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.192806][  T653]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.192935][  T653]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.193066][  T653]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.193204][  T653]  ? 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))
[   26.193334][  T653]  ? 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))
[   26.193466][  T653]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.193602][  T653]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.193738][  T653]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.193870][  T653]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.194002][  T653]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.194137][  T653]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.194268][  T653]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.194398][  T653]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.194534][  T653]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.194699][  T653]  ? move_addr_to_kernel (net/socket.c:258)
[   26.194831][  T653]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.194962][  T653]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.195099][  T653]  ___sys_sendmsg (net/socket.c:2752)
[   26.195229][  T653]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.195392][  T653]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.195540][  T653]  __sys_sendmsg (net/socket.c:2784)
[   26.195676][  T653]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.195805][  T653]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.195969][  T653]  ? 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)
[   26.196104][  T653]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.196237][  T653]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.196368][  T653]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.196499][  T653]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.196633][  T653]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.196800][  T653] RIP: 0033:0x7f86d4d8708e
[   26.196937][  T653] 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
[   26.197405][  T653] RSP: 002b:00007fff282c1e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.197605][  T653] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f86d4d8708e
[   26.197804][  T653] RDX: 0000000000000000 RSI: 00007fff282c1eb0 RDI: 0000000000000005
[   26.197999][  T653] RBP: 00007fff282c1e10 R08: 0000000000000000 R09: 0000000000000000
[   26.198198][  T653] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d844
[   26.198392][  T653] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff282c2570
| [   26.200585][   T39] ------------[ cut here ]------------
| [   26.200728][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/39
| [   26.200964][   T39] Modules linked in: xfrm_user nf_tables
| [   26.201366][   T39] Tainted: [W]=WARN
[   26.201458][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.201613][   T39] Workqueue: events_unbound linkwatch_event
[   26.201775][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.201930][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   26.202372][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   26.202526][   T39] RAX: 00000000ffffffa6 RBX: ff110000124418c0 RCX: 1ff4000000057f02
[   26.202768][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001244197c
[   26.202946][   T39] RBP: ff11000009141000 R08: 1fe2200002488331 R09: ff11000001da51a8
[   26.203127][   T39] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   26.203302][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.203480][   T39] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   26.203738][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.203887][   T39] CR2: 000055d401a143f0 CR3: 000000000df96002 CR4: 0000000000771ef0
[   26.204068][   T39] PKRU: 55555554
[   26.204163][   T39] Call Trace:
[   26.204252][   T39]  <TASK>
[   26.204315][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.204435][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   26.204565][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.204662][   T39]  netif_state_change (net/core/dev.c:1605)
[   26.204783][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   26.204936][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   26.205055][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   26.205182][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.205304][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   26.205422][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   26.205544][   T39]  process_one_work (kernel/workqueue.c:3314)
[   26.205670][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   26.205791][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.205915][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   26.206039][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.206164][   T39]  kthread (kernel/kthread.c:436)
[   26.206254][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.206402][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.206527][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   26.206656][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   26.206804][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   26.206924][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.207043][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   26.209040][   T39] ------------[ cut here ]------------
| [   26.209171][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   26.209412][   T39] Modules linked in: xfrm_user nf_tables
| [   26.210530][   T39] Tainted: [W]=WARN
[   26.210623][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.210829][   T39] Workqueue: events_unbound linkwatch_event
[   26.211061][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.211221][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   26.211870][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   26.212021][   T39] RAX: 00000000ffffffa6 RBX: ff11000012440580 RCX: 1ff4000000057f02
[   26.212205][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001244063c
[   26.212388][   T39] RBP: ff1100000e734000 R08: 1fe22000024880c9 R09: ff11000001da51a8
[   26.212570][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   26.212800][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.213031][   T39] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   26.213245][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.213396][   T39] CR2: 0000000024e29988 CR3: 000000004994d006 CR4: 0000000000771ef0
[   26.213577][   T39] PKRU: 55555554
[   26.213715][   T39] Call Trace:
[   26.213804][   T39]  <TASK>
[   26.213867][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.213990][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   26.214115][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.214209][   T39]  netif_state_change (net/core/dev.c:1605)
[   26.214329][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   26.214481][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   26.214603][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   26.214768][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.214894][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   26.215013][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   26.215138][   T39]  process_one_work (kernel/workqueue.c:3314)
[   26.215263][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   26.215382][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.215510][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   26.215634][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.215801][   T39]  kthread (kernel/kthread.c:436)
[   26.215891][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.216038][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.216168][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   26.216286][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   26.216436][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   26.216563][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.216730][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.336627][   T12] ------------[ cut here ]------------
| [   32.336850][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   32.337142][   T12] Modules linked in: xfrm_user nf_tables
| [   32.337639][   T12] Tainted: [W]=WARN
[   32.337790][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.337985][   T12] Workqueue: netns cleanup_net
[   32.338169][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.338370][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.338866][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   32.339063][   T12] RAX: 00000000ffffffa6 RBX: ff110000120ca900 RCX: 1ff4000000018eed
[   32.339293][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000120ca9bc
[   32.339515][   T12] RBP: ff11000009b61000 R08: 1fe2200002419539 R09: ff11000001aed1d0
[   32.339755][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   32.339976][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.340210][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   32.340463][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.340681][   T12] CR2: 00007f4cd72fcf98 CR3: 000000000ebe4001 CR4: 0000000000771ef0
[   32.340905][   T12] PKRU: 55555554
[   32.341041][   T12] Call Trace:
[   32.341188][   T12]  <TASK>
[   32.341327][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.341535][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.341740][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.341909][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.342078][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.342252][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.342420][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.342598][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.342779][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.342945][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.343122][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.343291][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.343455][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.343630][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.343812][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.343983][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.344193][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.344387][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.344564][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.344746][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.344911][   T12]  kthread (kernel/kthread.c:436)
[   32.345048][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.345250][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.345416][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.345592][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.345801][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.345968][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.346142][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.349160][   T12] ------------[ cut here ]------------
| [   32.349324][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   32.349695][   T12] Modules linked in: xfrm_user nf_tables
| [   32.350180][   T12] Tainted: [W]=WARN
[   32.350315][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.350510][   T12] Workqueue: netns cleanup_net
[   32.350696][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.350974][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.351526][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   32.351732][   T12] RAX: 00000000ffffffa6 RBX: ff110000120cb000 RCX: 1ff4000000018eed
[   32.351951][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000120cb0bc
[   32.352176][   T12] RBP: ff1100000f8e9000 R08: 1fe2200002419619 R09: ff11000001aed1d0
[   32.352469][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   32.352706][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.352933][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   32.353264][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.353457][   T12] CR2: 00007f4cd72fcf98 CR3: 000000000ebe4001 CR4: 0000000000771ef0
[   32.353773][   T12] PKRU: 55555554
[   32.353908][   T12] Call Trace:
[   32.354043][   T12]  <TASK>
[   32.354163][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.354366][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.354640][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.354819][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.354987][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.355161][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.355401][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.355580][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.355765][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.355928][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.356179][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.356345][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.356511][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.356697][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.356863][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.357031][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.357209][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.357375][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.357549][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.357735][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.357900][   T12]  kthread (kernel/kthread.c:436)
[   32.358036][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.358239][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.358405][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.358580][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.358788][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.359023][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.359274][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.362374][   T12] ------------[ cut here ]------------
| [   32.362542][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   32.362929][   T12] Modules linked in: xfrm_user nf_tables
| [   32.363424][   T12] Tainted: [W]=WARN
[   32.363566][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.363774][   T12] Workqueue: netns cleanup_net
[   32.363946][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.364158][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.364627][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   32.364835][   T12] RAX: 00000000ffffffa6 RBX: ff110000120cb700 RCX: 1ff4000000018eed
[   32.365056][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000120cb7bc
[   32.365288][   T12] RBP: ff11000012091000 R08: 1fe22000024196f9 R09: ff11000001aed1d0
[   32.365509][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   32.365747][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.365973][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   32.366308][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.366504][   T12] CR2: 00007f4cd72fcf98 CR3: 000000000ebe4001 CR4: 0000000000771ef0
[   32.366746][   T12] PKRU: 55555554
[   32.366882][   T12] Call Trace:
[   32.367018][   T12]  <TASK>
[   32.367135][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.367341][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.367543][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.367727][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.367899][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.368065][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.368310][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.368479][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.368734][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.368903][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.369155][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.369324][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.369501][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.369688][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.369853][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.370022][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.370277][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.370443][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.370621][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.370874][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.371120][   T12]  kthread (kernel/kthread.c:436)
[   32.371258][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.371468][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.371644][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.371826][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.372022][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.372199][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.372436][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.375387][   T12] ------------[ cut here ]------------
| [   32.375554][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   32.375910][   T12] Modules linked in: xfrm_user nf_tables
| [   32.376427][   T12] Tainted: [W]=WARN
[   32.376570][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.376773][   T12] Workqueue: netns cleanup_net
[   32.376945][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.377159][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.377630][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   32.377840][   T12] RAX: 00000000ffffffa6 RBX: ff110000120cba80 RCX: 1ff4000000018eed
[   32.378065][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000120cbb3c
[   32.378367][   T12] RBP: ff11000012071000 R08: 1fe2200002419769 R09: ff11000001aed1d0
[   32.378783][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   32.379036][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.379272][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   32.379606][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.379817][   T12] CR2: 00007f4cd72fcf98 CR3: 000000000ebe4001 CR4: 0000000000771ef0
[   32.380042][   T12] PKRU: 55555554
[   32.380183][   T12] Call Trace:
[   32.380333][   T12]  <TASK>
[   32.380442][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.380667][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.380930][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.381096][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.381272][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.381438][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.381696][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.381864][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.382035][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.382207][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.382375][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.382622][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.382809][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.382991][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.383166][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.383333][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.383508][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.383692][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.383861][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.384030][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.384204][   T12]  kthread (kernel/kthread.c:436)
[   32.384340][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.384615][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.384795][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.384962][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.385164][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.385401][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.385577][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.388478][   T12] ------------[ cut here ]------------
| [   32.388639][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   32.388933][   T12] Modules linked in: xfrm_user nf_tables
| [   32.389493][   T12] Tainted: [W]=WARN
[   32.389635][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.389843][   T12] Workqueue: netns cleanup_net
[   32.390095][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.390306][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.390866][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   32.391093][   T12] RAX: 00000000ffffffa6 RBX: ff110000058e1700 RCX: 1ff4000000018eed
[   32.391328][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000058e17bc
[   32.391631][   T12] RBP: ff1100000e941000 R08: 1fe2200000b1c2f9 R09: ff11000001aed1d0
[   32.391945][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   32.392177][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.392404][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   32.392677][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.392945][   T12] CR2: 00007f4cd72fcf98 CR3: 000000000ebe4001 CR4: 0000000000771ef0
[   32.393179][   T12] PKRU: 55555554
[   32.393314][   T12] Call Trace:
[   32.393449][   T12]  <TASK>
[   32.393567][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.393779][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.393972][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.394146][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.394315][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.394478][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.394662][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.394831][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.395071][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.395239][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.395409][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.395583][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.395830][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.395997][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.396171][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.396342][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.396594][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.396772][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.396972][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.397151][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.397320][   T12]  kthread (kernel/kthread.c:436)
[   32.397457][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.397750][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.397916][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.398081][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.398287][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.398454][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.398720][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.421825][   T12] ------------[ cut here ]------------
| [   32.421999][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   32.422297][   T12] Modules linked in: xfrm_user nf_tables
| [   32.422819][   T12] Tainted: [W]=WARN
[   32.422960][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.423172][   T12] Workqueue: netns cleanup_net
[   32.423359][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.423576][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.424072][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   32.424282][   T12] RAX: 00000000ffffffa6 RBX: ff110000058e18c0 RCX: 1ff4000000018eaf
[   32.424514][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000058e197c
[   32.424763][   T12] RBP: ff1100000ff61000 R08: 1fe2200000b1c331 R09: ff11000001aed1d0
[   32.424994][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   32.425231][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff64000
[   32.425464][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   32.425749][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.425952][   T12] CR2: 00007f4cd72fcf98 CR3: 000000000ebe4001 CR4: 0000000000771ef0
[   32.426196][   T12] PKRU: 55555554
[   32.426335][   T12] Call Trace:
[   32.426473][   T12]  <TASK>
[   32.426589][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.426775][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.426919][   T12]  netif_close_many (net/core/dev.c:1804)
[   32.427091][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.427270][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.427442][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.427627][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   32.427817][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   32.428019][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   32.428232][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.428404][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.428612][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.428798][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.428999][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.429218][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   32.429405][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   32.429587][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   32.429802][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.429976][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   32.430157][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   32.430335][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.430511][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.430702][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.430875][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.431044][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.431224][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.431396][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.431578][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.431769][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.431940][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.432124][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.432301][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.432472][   T12]  kthread (kernel/kthread.c:436)
[   32.432618][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.432833][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.433007][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.433183][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.433384][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.433563][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.433750][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.437679][   T12] ------------[ cut here ]------------
| [   32.437816][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   32.438064][   T12] Modules linked in: xfrm_user nf_tables
| [   32.438482][   T12] Tainted: [W]=WARN
[   32.438576][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.438739][   T12] Workqueue: netns cleanup_net
[   32.438873][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.439034][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.439488][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   32.439656][   T12] RAX: 00000000ffffffa6 RBX: ff1100001547ce40 RCX: 1ff4000000018eaf
[   32.439842][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001547cefc
[   32.440032][   T12] RBP: ff1100000ff64000 R08: 1fe2200002a8f9e1 R09: ff11000001aed1d0
[   32.440224][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   32.440409][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007c99000
[   32.440599][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   32.440821][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.440978][   T12] CR2: 00007f237b174668 CR3: 0000000012a4c003 CR4: 0000000000771ef0
[   32.441170][   T12] PKRU: 55555554
[   32.441264][   T12] Call Trace:
[   32.441357][   T12]  <TASK>
[   32.441423][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.441550][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   32.441680][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.441777][   T12]  netif_close_many (net/core/dev.c:1804)
[   32.441900][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.442024][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.442155][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.442279][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   32.442405][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   32.442569][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   32.442728][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.442853][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.443009][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.443137][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.443261][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.443418][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   32.443547][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   32.443680][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   32.443807][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.443933][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   32.444058][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   32.444192][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.444316][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.444443][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.444572][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.444704][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.444831][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.444954][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.445080][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.445214][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.445340][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.445469][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.445601][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.445729][   T12]  kthread (kernel/kthread.c:436)
[   32.445823][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.445978][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.446109][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.446237][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.446392][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.446517][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.446640][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.449320][   T12] ------------[ cut here ]------------
| [   32.449449][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   32.449752][   T12] Modules linked in: xfrm_user nf_tables
| [   32.450168][   T12] Tainted: [W]=WARN
[   32.450261][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.450414][   T12] Workqueue: netns cleanup_net
[   32.450544][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.450710][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.451152][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   32.451307][   T12] RAX: 00000000ffffffa6 RBX: ff1100001252b1c0 RCX: 1ff4000000018eaf
[   32.451492][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001252b27c
[   32.451685][   T12] RBP: ff11000007c99000 R08: 1fe22000024a5651 R09: ff11000001aed1d0
[   32.451872][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   32.452057][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   32.452247][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   32.452464][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.452623][   T12] CR2: 00007f237b174668 CR3: 000000004994d001 CR4: 0000000000771ef0
[   32.452822][   T12] PKRU: 55555554
[   32.452915][   T12] Call Trace:
[   32.453008][   T12]  <TASK>
[   32.453073][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.453201][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   32.453326][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.453422][   T12]  netif_close_many (net/core/dev.c:1804)
[   32.453549][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.453679][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.453802][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.453925][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   32.454049][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   32.454207][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   32.454364][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.454489][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.454648][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.454777][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.454900][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.455056][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   32.455186][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   32.455312][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   32.455438][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.455567][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   32.455696][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   32.455824][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.455948][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.456074][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.456204][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.456328][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.456452][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.456577][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.456707][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.456835][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.456960][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.457090][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.457222][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.457344][   T12]  kthread (kernel/kthread.c:436)
[   32.457437][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.457593][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.457722][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.457847][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.458003][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.458131][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.458254][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.460310][   T12] ------------[ cut here ]------------
| [   32.460429][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   32.460677][   T12] Modules linked in: xfrm_user nf_tables
| [   32.461067][   T12] Tainted: [W]=WARN
[   32.461164][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.461313][   T12] Workqueue: netns cleanup_net
[   32.461436][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.461592][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.462793][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   32.462948][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e5ab000 RCX: 1ff4000000018ed5
[   32.463130][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5ab0bc
[   32.463305][   T12] RBP: ff1100000ff61000 R08: 1fe2200001cb5619 R09: ff11000001aed1d0
[   32.463482][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   32.463753][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.463931][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   32.464235][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.464382][   T12] CR2: 00007f237b174668 CR3: 000000004994d001 CR4: 0000000000771ef0
[   32.464566][   T12] PKRU: 55555554
[   32.464745][   T12] Call Trace:
[   32.464835][   T12]  <TASK>
[   32.464902][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.465052][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.465203][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.465321][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.465440][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.465600][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   32.465809][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   32.465928][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.466052][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   32.466176][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   32.466296][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.466413][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.466538][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.466730][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.466848][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.466970][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.467088][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.467212][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.467334][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.467452][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.467580][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.467775][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.467892][   T12]  kthread (kernel/kthread.c:436)
[   32.467981][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.468134][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.468252][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.468370][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.468524][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.468644][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.468837][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.481815][   T12] ------------[ cut here ]------------
| [   32.482028][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   32.482289][   T12] Modules linked in: xfrm_user nf_tables
| [   32.482701][   T12] Tainted: [W]=WARN
[   32.482792][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.482941][   T12] Workqueue: netns cleanup_net
[   32.483063][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.483223][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.483649][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   32.483816][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b59d1c0 RCX: 1ff4000000018ed5
[   32.483992][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b59d27c
[   32.484171][   T12] RBP: ff1100000ff64000 R08: 1fe22000016b3a51 R09: ff11000001aed1d0
[   32.484345][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   32.484526][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.484709][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   32.484914][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.485067][   T12] CR2: 00007f237ada8574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   32.485249][   T12] PKRU: 55555554
[   32.485336][   T12] Call Trace:
[   32.485425][   T12]  <TASK>
[   32.485488][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.485645][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.485798][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.485916][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.486035][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.486192][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   32.486313][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   32.486431][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.486554][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   32.486684][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   32.486804][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.486927][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.487049][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.487171][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.487289][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.487413][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.487533][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.487657][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.487784][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.487906][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.488030][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.488158][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.488275][   T12]  kthread (kernel/kthread.c:436)
[   32.488363][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.488512][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.488634][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.488758][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.488908][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.489031][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.489160][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.492751][   T12] ------------[ cut here ]------------
| [   32.492886][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   32.493130][   T12] Modules linked in: xfrm_user nf_tables
| [   32.493602][   T12] Tainted: [W]=WARN
[   32.493778][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.493931][   T12] Workqueue: netns cleanup_net
[   32.494054][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.494281][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.494800][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   32.494952][   T12] RAX: 00000000ffffffa6 RBX: ff11000004f6a900 RCX: 1ff4000000018ed5
[   32.495135][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004f6a9bc
[   32.495310][   T12] RBP: ff11000007c99000 R08: 1fe22000009ed539 R09: ff11000001aed1d0
[   32.495491][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   32.495724][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.495900][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   32.496112][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.496259][   T12] CR2: 00007f237ada8574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   32.496438][   T12] PKRU: 55555554
[   32.496531][   T12] Call Trace:
[   32.496619][   T12]  <TASK>
[   32.496729][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.496881][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.497029][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.497153][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.497270][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.497421][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   32.497545][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   32.497710][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.497829][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   32.497950][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   32.498072][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.498199][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.498322][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.498443][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.498564][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.498734][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.498851][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.498972][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.499096][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.499220][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.499343][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.499465][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.499587][   T12]  kthread (kernel/kthread.c:436)
[   32.499723][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.499869][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.499987][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.500113][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.500261][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.500379][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.500498][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.540130][   T12] ------------[ cut here ]------------
| [   32.540267][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   32.540498][   T12] Modules linked in: xfrm_user nf_tables
| [   32.540986][   T12] Tainted: [W]=WARN
[   32.541094][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.541248][   T12] Workqueue: netns cleanup_net
[   32.541372][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.541538][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.541961][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   32.542116][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e419540 RCX: 1ff4000000018eed
[   32.542293][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4195fc
[   32.542467][   T12] RBP: ff1100000e82c000 R08: 1fe2200001c832c1 R09: ff11000001aed1d0
[   32.542642][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   32.542876][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.543053][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   32.543260][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.543411][   T12] CR2: 00007f237ada8574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   32.543589][   T12] PKRU: 55555554
[   32.543727][   T12] Call Trace:
[   32.543814][   T12]  <TASK>
[   32.543875][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.544023][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.544171][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.544287][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.544404][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.544536][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.544700][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.544819][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.544937][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.545051][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.545180][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.545297][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.545412][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.545533][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.545695][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.545813][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.545932][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.546047][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.546172][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.546296][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.546413][   T12]  kthread (kernel/kthread.c:436)
[   32.546503][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.546699][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.546815][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.546930][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.547075][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.547202][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.547319][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.549609][   T12] ------------[ cut here ]------------
| [   32.549754][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   32.549993][   T12] Modules linked in: xfrm_user nf_tables
| [   32.550392][   T12] Tainted: [W]=WARN
[   32.550484][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.550632][   T12] Workqueue: netns cleanup_net
[   32.550784][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.550939][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.551370][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   32.551524][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e419c40 RCX: 1ff4000000018eed
[   32.551714][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e419cfc
[   32.551889][   T12] RBP: ff1100000a279000 R08: 1fe2200001c833a1 R09: ff11000001aed1d0
[   32.552068][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.552248][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.552431][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   32.552642][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.552797][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000df96003 CR4: 0000000000771ef0
[   32.552976][   T12] PKRU: 55555554
[   32.553063][   T12] Call Trace:
[   32.553155][   T12]  <TASK>
[   32.553217][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.553368][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.553519][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.553638][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.553763][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.553882][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.554002][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.554127][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.554250][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.554366][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.554486][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.554606][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.554729][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.554855][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.554973][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.555093][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.555221][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.555340][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.555464][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.555590][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.555714][   T12]  kthread (kernel/kthread.c:436)
[   32.555803][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.555950][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.556072][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.556197][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.556344][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.556466][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.556590][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.558759][   T12] ------------[ cut here ]------------
| [   32.558882][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   32.559119][   T12] Modules linked in: xfrm_user nf_tables
| [   32.559510][   T12] Tainted: [W]=WARN
[   32.559600][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.559753][   T12] Workqueue: netns cleanup_net
[   32.559876][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.560028][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.560457][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   32.560609][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e5aa3c0 RCX: 1ff4000000018eed
[   32.560791][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5aa47c
[   32.560967][   T12] RBP: ff11000005f49000 R08: 1fe2200001cb5491 R09: ff11000001aed1d0
[   32.561149][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.561324][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.561501][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   32.561718][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.561865][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000df96003 CR4: 0000000000771ef0
[   32.562044][   T12] PKRU: 55555554
[   32.562138][   T12] Call Trace:
[   32.562225][   T12]  <TASK>
[   32.562287][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.562438][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.562592][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.562716][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.562836][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.562952][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.563074][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.563199][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.563320][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.563437][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.563560][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.563684][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.563805][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.563926][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.564044][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.564174][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.564295][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.564416][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.564544][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.564675][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.564793][   T12]  kthread (kernel/kthread.c:436)
[   32.564882][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.565029][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.565152][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.565276][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.565424][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.565543][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.565666][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.567621][   T12] ------------[ cut here ]------------
| [   32.567745][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   32.567980][   T12] Modules linked in: xfrm_user nf_tables
| [   32.568371][   T12] Tainted: [W]=WARN
[   32.568460][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.568614][   T12] Workqueue: netns cleanup_net
[   32.568742][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.568896][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.569322][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   32.569471][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e955c40 RCX: 1ff4000000018eed
[   32.569656][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e955cfc
[   32.569832][   T12] RBP: ff110000087f1000 R08: 1fe2200001d2aba1 R09: ff11000001aed1d0
[   32.570006][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.570188][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.570363][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   32.570573][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.570722][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000df96003 CR4: 0000000000771ef0
[   32.570903][   T12] PKRU: 55555554
[   32.570991][   T12] Call Trace:
[   32.571078][   T12]  <TASK>
[   32.571145][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.571294][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.571445][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.571567][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.571689][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.571808][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.571928][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.572048][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.572172][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.572289][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.572408][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.572530][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.572655][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.572776][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.572895][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.573024][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.573158][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.573276][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.573398][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.573530][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.573647][   T12]  kthread (kernel/kthread.c:436)
[   32.573742][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.573890][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.574007][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.574131][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.574277][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.574394][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.574515][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.576466][   T12] ------------[ cut here ]------------
| [   32.576583][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   32.576819][   T12] Modules linked in: xfrm_user nf_tables
| [   32.577207][   T12] Tainted: [W]=WARN
[   32.577297][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.577450][   T12] Workqueue: netns cleanup_net
[   32.577573][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.578660][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.579086][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   32.579238][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b59d540 RCX: 1ff4000000018eed
[   32.579418][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b59d5fc
[   32.579596][   T12] RBP: ff11000005b84000 R08: 1fe22000016b3ac1 R09: ff11000001aed1d0
[   32.579793][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.579974][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.580162][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   32.580370][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.580530][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000df96003 CR4: 0000000000771ef0
[   32.580711][   T12] PKRU: 55555554
[   32.580798][   T12] Call Trace:
[   32.580885][   T12]  <TASK>
[   32.580946][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.581096][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.581250][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.581368][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.581487][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.581606][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.581729][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.581848][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.581972][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.582089][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.582216][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.582336][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.582455][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.582577][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.582697][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.582815][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.582938][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.583059][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.583186][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.583307][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.583423][   T12]  kthread (kernel/kthread.c:436)
[   32.583513][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.583663][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.583780][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.583899][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.584044][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.584171][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.584289][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.601413][   T12] ------------[ cut here ]------------
| [   32.601547][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   32.601800][   T12] Modules linked in: xfrm_user nf_tables
| [   32.602217][   T12] Tainted: [W]=WARN
[   32.602310][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.602465][   T12] Workqueue: netns cleanup_net
[   32.602601][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.602771][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.603221][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   32.603376][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda8e40 RCX: 1ff4000000018eaf
[   32.603565][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda8efc
[   32.603806][   T12] RBP: ff1100000eb9c000 R08: 1fe2200001bb51e1 R09: ff11000001aed1d0
[   32.603992][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   32.604178][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000538c000
[   32.604364][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   32.604586][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.604795][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   32.604982][   T12] PKRU: 55555554
[   32.605075][   T12] Call Trace:
[   32.605174][   T12]  <TASK>
[   32.605238][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.605414][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.605512][   T12]  netif_close_many (net/core/dev.c:1804)
[   32.605637][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.605815][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.605938][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.606063][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   32.606195][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   32.606350][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   32.606512][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.606637][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.606841][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.606964][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.607086][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.607246][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   32.607374][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   32.607503][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   32.607629][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.607803][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   32.607929][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   32.608056][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.608181][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.608308][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.608432][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.608559][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.608737][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.608860][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.608985][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.609119][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.609242][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.609370][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.609503][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.609628][   T12]  kthread (kernel/kthread.c:436)
[   32.609770][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.609925][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.610048][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.610176][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.610335][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.610459][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.610587][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.613699][   T12] ------------[ cut here ]------------
| [   32.613841][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   32.614088][   T12] Modules linked in: xfrm_user nf_tables
| [   32.614502][   T12] Tainted: [W]=WARN
[   32.614599][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.614759][   T12] Workqueue: netns cleanup_net
[   32.614889][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.615050][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.615496][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   32.615667][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda98c0 RCX: 1ff4000000018eaf
[   32.615857][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda997c
[   32.616040][   T12] RBP: ff1100000538c000 R08: 1fe2200001bb5331 R09: ff11000001aed1d0
[   32.616230][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   32.616414][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000faac000
[   32.616603][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   32.616824][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.616979][   T12] CR2: 00007fefa3994574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   32.617170][   T12] PKRU: 55555554
[   32.617262][   T12] Call Trace:
[   32.617357][   T12]  <TASK>
[   32.617422][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.617547][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   32.617677][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.617773][   T12]  netif_close_many (net/core/dev.c:1804)
[   32.617896][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.618018][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.618146][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.618271][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   32.618396][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   32.618557][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   32.618716][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.618839][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.618992][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.619117][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.619239][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.619392][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   32.619519][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   32.619645][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   32.619782][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.619907][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   32.620032][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   32.620161][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.620286][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.620412][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.620539][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.620665][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.620806][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.620934][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.621058][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.621191][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.621316][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.621444][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.621576][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.621708][   T12]  kthread (kernel/kthread.c:436)
[   32.621801][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.621954][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.622078][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.622207][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.622360][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.622483][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.622609][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.626086][   T12] ------------[ cut here ]------------
| [   32.626235][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   32.626478][   T12] Modules linked in: xfrm_user nf_tables
| [   32.626907][   T12] Tainted: [W]=WARN
[   32.627000][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.627161][   T12] Workqueue: netns cleanup_net
[   32.627289][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.627450][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.627899][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   32.628054][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c6ce200 RCX: 1ff4000000018eaf
[   32.628248][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6ce2bc
[   32.628432][   T12] RBP: ff1100000faac000 R08: 1fe22000018d9c59 R09: ff11000001aed1d0
[   32.628622][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   32.628812][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   32.628998][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   32.629219][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.629376][   T12] CR2: 00007fefa3994574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   32.629565][   T12] PKRU: 55555554
[   32.629664][   T12] Call Trace:
[   32.629757][   T12]  <TASK>
[   32.629823][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.629947][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   32.630070][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.630172][   T12]  netif_close_many (net/core/dev.c:1804)
[   32.630295][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.630416][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.630544][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.630673][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   32.630797][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   32.630951][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   32.631111][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.631235][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.631389][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.631517][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.631638][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.631797][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   32.631923][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   32.632050][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   32.632178][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.632301][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   32.632425][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   32.632554][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.632681][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.632807][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.632932][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.633054][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.633184][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.633311][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.633444][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.633574][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.633702][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.633831][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.633959][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.634082][   T12]  kthread (kernel/kthread.c:436)
[   32.634179][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.634334][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.634459][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.634593][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.634753][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.634882][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.635008][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.637081][   T12] ------------[ cut here ]------------
| [   32.637207][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   32.637440][   T12] Modules linked in: xfrm_user nf_tables
| [   32.638669][   T12] Tainted: [W]=WARN
[   32.638761][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.638956][   T12] Workqueue: netns cleanup_net
[   32.639081][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.639238][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.639727][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   32.639876][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c6cf000 RCX: 1ff4000000018ed5
[   32.640051][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6cf0bc
[   32.640233][   T12] RBP: ff1100000eb9c000 R08: 1fe22000018d9e19 R09: ff11000001aed1d0
[   32.640408][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   32.640586][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.640809][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   32.641015][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.641169][   T12] CR2: 00007fefa3994574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   32.641347][   T12] PKRU: 55555554
[   32.641434][   T12] Call Trace:
[   32.641526][   T12]  <TASK>
[   32.641588][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.641786][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.641937][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.642057][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.642179][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.642330][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   32.642450][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   32.642581][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.642747][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   32.642866][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   32.642988][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.643109][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.643230][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.643349][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.643472][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.643594][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.643759][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.643879][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.644006][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.644134][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.644259][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.644382][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.644502][   T12]  kthread (kernel/kthread.c:436)
[   32.644594][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.644787][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.644906][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.645025][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.645177][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.645296][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.645415][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.648358][   T12] ------------[ cut here ]------------
| [   32.648479][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   32.648721][   T12] Modules linked in: xfrm_user nf_tables
| [   32.649127][   T12] Tainted: [W]=WARN
[   32.649222][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.649379][   T12] Workqueue: netns cleanup_net
[   32.649504][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.649664][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.650092][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   32.650245][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c6cf8c0 RCX: 1ff4000000018ed5
[   32.650420][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6cf97c
[   32.650598][   T12] RBP: ff1100000538c000 R08: 1fe22000018d9f31 R09: ff11000001aed1d0
[   32.650783][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   32.650961][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.651147][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   32.651349][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.651498][   T12] CR2: 00007fefa3994574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   32.651687][   T12] PKRU: 55555554
[   32.651776][   T12] Call Trace:
[   32.651866][   T12]  <TASK>
[   32.651928][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.652077][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.652229][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.652347][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.652468][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.652624][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   32.652749][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   32.652868][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.652991][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   32.653115][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   32.653239][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.653355][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.653474][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.653597][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.653722][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.653840][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.653961][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.654080][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.654206][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.654323][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.654447][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.654573][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.654695][   T12]  kthread (kernel/kthread.c:436)
[   32.654784][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.654931][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.655049][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.655173][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.655319][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.655436][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.655558][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.658188][   T12] ------------[ cut here ]------------
| [   32.658309][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   32.658545][   T12] Modules linked in: xfrm_user nf_tables
| [   32.658935][   T12] Tainted: [W]=WARN
[   32.659025][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.659179][   T12] Workqueue: netns cleanup_net
[   32.659303][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.659456][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.659895][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   32.660045][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b0580 RCX: 1ff4000000018ed5
[   32.660231][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b063c
[   32.660407][   T12] RBP: ff1100000faac000 R08: 1fe22000020360c9 R09: ff11000001aed1d0
[   32.660586][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   32.660813][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.660992][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   32.661203][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.661349][   T12] CR2: 00007fefa3994574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   32.661531][   T12] PKRU: 55555554
[   32.661620][   T12] Call Trace:
[   32.661767][   T12]  <TASK>
[   32.661830][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.661980][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.662200][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.662318][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.662436][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.662590][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   32.662813][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   32.662933][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.663051][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   32.663173][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   32.663293][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.663410][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.663536][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.663703][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.663821][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.663943][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.664060][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.664187][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.664307][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.664424][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.664549][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.664718][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.664838][   T12]  kthread (kernel/kthread.c:436)
[   32.664927][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.665078][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.665199][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.665319][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.665492][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.665617][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.665784][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.697551][   T12] ------------[ cut here ]------------
| [   32.697691][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   32.697925][   T12] Modules linked in: xfrm_user nf_tables
| [   32.698320][   T12] Tainted: [W]=WARN
[   32.698409][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.698559][   T12] Workqueue: netns cleanup_net
[   32.698688][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.698842][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.699265][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   32.699412][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b1380 RCX: 1ff4000000018eed
[   32.699587][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b143c
[   32.699770][   T12] RBP: ff1100000ea2c000 R08: 1fe2200002036289 R09: ff11000001aed1d0
[   32.699947][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.700130][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.700305][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   32.700511][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.700666][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   32.700842][   T12] PKRU: 55555554
[   32.700930][   T12] Call Trace:
[   32.701015][   T12]  <TASK>
[   32.701077][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.701230][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.701373][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.701490][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.701614][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.701737][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.701854][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.701976][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.702094][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.702214][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.702334][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.702451][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.702571][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.702698][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.702815][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.702934][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.703055][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.703175][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.703295][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.703418][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.703538][   T12]  kthread (kernel/kthread.c:436)
[   32.703626][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.703776][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.703897][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.704014][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.704169][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.704285][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.704402][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.706542][   T12] ------------[ cut here ]------------
| [   32.706666][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   32.706893][   T12] Modules linked in: xfrm_user nf_tables
| [   32.707277][   T12] Tainted: [W]=WARN
[   32.707364][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.707514][   T12] Workqueue: netns cleanup_net
[   32.707634][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.707790][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.708239][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   32.708390][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b1a80 RCX: 1ff4000000018eed
[   32.708567][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b1b3c
[   32.708744][   T12] RBP: ff1100000df61000 R08: 1fe2200002036369 R09: ff11000001aed1d0
[   32.708924][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.709098][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.709277][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   32.709480][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.709628][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   32.709807][   T12] PKRU: 55555554
[   32.709894][   T12] Call Trace:
[   32.709981][   T12]  <TASK>
[   32.710041][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.710194][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.710337][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.710455][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.710575][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.710694][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.710813][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.710931][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.711053][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.711170][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.711293][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.711410][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.711529][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.711645][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.711766][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.711885][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.712005][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.712127][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.712247][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.712368][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.712493][   T12]  kthread (kernel/kthread.c:436)
[   32.712585][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.712735][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.712856][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.712973][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.713120][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.713237][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.713353][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.715494][   T12] ------------[ cut here ]------------
| [   32.715613][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   32.715844][   T12] Modules linked in: xfrm_user nf_tables
| [   32.716227][   T12] Tainted: [W]=WARN
[   32.716314][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.716457][   T12] Workqueue: netns cleanup_net
[   32.716583][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.716746][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.717168][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   32.717313][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d68ec80 RCX: 1ff4000000018eed
[   32.717496][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68ed3c
[   32.717710][   T12] RBP: ff11000012b7c000 R08: 1fe2200001ad1da9 R09: ff11000001aed1d0
[   32.717882][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.718060][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.718240][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   32.718442][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.718591][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   32.718772][   T12] PKRU: 55555554
[   32.718859][   T12] Call Trace:
[   32.718944][   T12]  <TASK>
[   32.719005][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.719161][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.719308][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.719430][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.719556][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.719676][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.719792][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.719909][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.720027][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.720153][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.720271][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.720387][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.720510][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.720627][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.720748][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.720865][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.720986][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.721106][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.721228][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.721350][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.721466][   T12]  kthread (kernel/kthread.c:436)
[   32.721558][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.721709][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.721832][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.721953][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.722097][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.722220][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.722336][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.724293][   T12] ------------[ cut here ]------------
| [   32.724409][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   32.724639][   T12] Modules linked in: xfrm_user nf_tables
| [   32.725454][   T12] Tainted: [W]=WARN
[   32.725544][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.725746][   T12] Workqueue: netns cleanup_net
[   32.725867][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.726019][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.726439][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   32.726588][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d68eac0 RCX: 1ff4000000018eed
[   32.726843][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68eb7c
[   32.727016][   T12] RBP: ff11000012b6c000 R08: 1fe2200001ad1d71 R09: ff11000001aed1d0
[   32.727195][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.727373][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.727552][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   32.727761][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.727908][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   32.728091][   T12] PKRU: 55555554
[   32.728184][   T12] Call Trace:
[   32.728270][   T12]  <TASK>
[   32.728330][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.728479][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.728628][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.728755][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.728872][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.728988][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.729111][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.729229][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.729348][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.729464][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.729588][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.729710][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.729826][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.729947][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.730068][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.730191][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.730315][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.730431][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.730558][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.730684][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.730801][   T12]  kthread (kernel/kthread.c:436)
[   32.730889][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.731034][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.731156][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.731273][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.731421][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.731540][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.731662][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.733613][   T12] ------------[ cut here ]------------
| [   32.733737][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   32.733971][   T12] Modules linked in: xfrm_user nf_tables
| [   32.734363][   T12] Tainted: [W]=WARN
[   32.734451][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.734601][   T12] Workqueue: netns cleanup_net
[   32.735033][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.735194][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.735620][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   32.735823][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d68fe00 RCX: 1ff4000000018eed
[   32.735997][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68febc
[   32.736175][   T12] RBP: ff1100000a244000 R08: 1fe2200001ad1fd9 R09: ff11000001aed1d0
[   32.736349][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.736532][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.736759][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   32.736961][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.737156][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   32.737329][   T12] PKRU: 55555554
[   32.737417][   T12] Call Trace:
[   32.737512][   T12]  <TASK>
[   32.737574][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.737768][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.737911][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.738029][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.738150][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.738266][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.738383][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.738506][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.738626][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.738787][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.738907][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.739024][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.739143][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.739261][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.739379][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.739499][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.739623][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.739785][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.739907][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.740029][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.740151][   T12]  kthread (kernel/kthread.c:436)
[   32.740242][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.740385][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.740501][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.740621][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.740813][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.740931][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.741047][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.755556][   T12] ------------[ cut here ]------------
| [   32.755708][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   32.755953][   T12] Modules linked in: xfrm_user nf_tables
| [   32.756371][   T12] Tainted: [W]=WARN
[   32.756465][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.756624][   T12] Workqueue: netns cleanup_net
[   32.756759][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.756920][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.757376][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   32.757539][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda8900 RCX: 1ff4000000018eaf
[   32.757730][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda89bc
[   32.757912][   T12] RBP: ff1100000df64000 R08: 1fe2200001bb5139 R09: ff11000001aed1d0
[   32.758095][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   32.758292][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ea29000
[   32.758481][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   32.758708][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.758863][   T12] CR2: 00007ffe3bb9fb28 CR3: 000000000df96005 CR4: 0000000000771ef0
[   32.759048][   T12] PKRU: 55555554
[   32.759145][   T12] Call Trace:
[   32.759242][   T12]  <TASK>
[   32.759307][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.759437][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.759535][   T12]  netif_close_many (net/core/dev.c:1804)
[   32.759665][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.759797][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.759921][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.760048][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   32.760177][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   32.760333][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   32.760492][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.760620][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.760777][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.760901][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.761026][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.761186][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   32.761311][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   32.761436][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   32.761563][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.761693][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   32.761822][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   32.761947][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.762073][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.762205][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.762329][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.762451][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.762579][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.762710][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.762835][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.762964][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.763088][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.763219][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.763347][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.763470][   T12]  kthread (kernel/kthread.c:436)
[   32.763566][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.763746][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.763870][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.763993][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.764149][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.764272][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.764395][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.767240][   T12] ------------[ cut here ]------------
| [   32.767367][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   32.767619][   T12] Modules linked in: xfrm_user nf_tables
| [   32.768062][   T12] Tainted: [W]=WARN
[   32.768160][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.768314][   T12] Workqueue: netns cleanup_net
[   32.768444][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.768608][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.769121][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   32.769277][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b7c6200 RCX: 1ff4000000018eaf
[   32.769461][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7c62bc
[   32.769649][   T12] RBP: ff1100000ea29000 R08: 1fe22000016f8c59 R09: ff11000001aed1d0
[   32.769936][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   32.770128][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a281000
[   32.770313][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   32.770534][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.770740][   T12] CR2: 00007ffe3bb9fb28 CR3: 000000004994d002 CR4: 0000000000771ef0
[   32.770924][   T12] PKRU: 55555554
[   32.771015][   T12] Call Trace:
[   32.771109][   T12]  <TASK>
[   32.771173][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.771297][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   32.771420][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.771518][   T12]  netif_close_many (net/core/dev.c:1804)
[   32.771642][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.771827][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.771949][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.772073][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   32.772201][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   32.772355][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   32.772513][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.772638][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.772841][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.772963][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.773085][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.773249][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   32.773375][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   32.773499][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   32.773626][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.773799][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   32.773925][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   32.774050][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.774177][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.774303][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.774428][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.774555][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.774738][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.774860][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.774984][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.775122][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.775244][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.775371][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.775502][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.775630][   T12]  kthread (kernel/kthread.c:436)
[   32.775784][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.775939][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.776063][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.776190][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.776345][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.776468][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.776597][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.779461][   T12] ------------[ cut here ]------------
| [   32.779602][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   32.779912][   T12] Modules linked in: xfrm_user nf_tables
| [   32.780343][   T12] Tainted: [W]=WARN
[   32.780434][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.780594][   T12] Workqueue: netns cleanup_net
[   32.780735][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.780900][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.781341][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   32.781497][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c6dc900 RCX: 1ff4000000018eaf
[   32.781696][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6dc9bc
[   32.781879][   T12] RBP: ff1100000a281000 R08: 1fe22000018db939 R09: ff11000001aed1d0
[   32.782063][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   32.782256][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   32.782444][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   32.782666][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.782820][   T12] CR2: 00007ffe3bb9f718 CR3: 000000000df96004 CR4: 0000000000771ef0
[   32.783010][   T12] PKRU: 55555554
[   32.783100][   T12] Call Trace:
[   32.783199][   T12]  <TASK>
[   32.783263][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.783386][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   32.783512][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.783605][   T12]  netif_close_many (net/core/dev.c:1804)
[   32.783735][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.783855][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.783977][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.784100][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   32.784227][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   32.784383][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   32.784540][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.784666][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.784821][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.784941][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.785062][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.785219][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   32.785343][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   32.785465][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   32.785590][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.785718][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   32.785840][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   32.785963][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.786082][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.786208][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.786329][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.786449][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.786573][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.786696][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.786820][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.786947][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.787067][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.787199][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.787322][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.787442][   T12]  kthread (kernel/kthread.c:436)
[   32.787537][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.787693][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.787817][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.787939][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.788089][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.788214][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.788335][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.800316][   T12] ------------[ cut here ]------------
| [   32.800451][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   32.800775][   T12] Modules linked in: xfrm_user nf_tables
| [   32.801199][   T12] Tainted: [W]=WARN
[   32.801288][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.801435][   T12] Workqueue: netns cleanup_net
[   32.801566][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.801736][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.802166][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   32.802313][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c6dd700 RCX: 1ff4000000018ed5
[   32.802486][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6dd7bc
[   32.802668][   T12] RBP: ff1100000df64000 R08: 1fe22000018dbaf9 R09: ff11000001aed1d0
[   32.802844][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   32.803017][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.803196][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   32.803402][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.803554][   T12] CR2: 00007ffe3bb9f718 CR3: 000000000df96004 CR4: 0000000000771ef0
[   32.803737][   T12] PKRU: 55555554
[   32.803825][   T12] Call Trace:
[   32.803912][   T12]  <TASK>
[   32.803974][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.804129][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.804276][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.804393][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.804512][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.804667][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   32.804787][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   32.804906][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.805025][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   32.805148][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   32.805267][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.805389][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.805514][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.805631][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.805751][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.805870][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.805989][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.806112][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.806233][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.806349][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.806471][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.806596][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.806719][   T12]  kthread (kernel/kthread.c:436)
[   32.806807][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.806953][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.807071][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.807195][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.807340][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.807457][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.807579][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.810098][   T12] ------------[ cut here ]------------
| [   32.810226][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   32.810455][   T12] Modules linked in: xfrm_user nf_tables
| [   32.810856][   T12] Tainted: [W]=WARN
[   32.810944][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.811096][   T12] Workqueue: netns cleanup_net
[   32.811226][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.811381][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.811812][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   32.811960][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dd00c80 RCX: 1ff4000000018ed5
[   32.812139][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd00d3c
[   32.812317][   T12] RBP: ff1100000ea29000 R08: 1fe2200001ba01a9 R09: ff11000001aed1d0
[   32.812491][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   32.812675][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.812859][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   32.813064][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.813215][   T12] CR2: 00007ffe3bb9f718 CR3: 000000000df96004 CR4: 0000000000771ef0
[   32.813392][   T12] PKRU: 55555554
[   32.813481][   T12] Call Trace:
[   32.813571][   T12]  <TASK>
[   32.813632][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.813788][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.813936][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.814056][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.814178][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.814410][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   32.814556][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   32.814687][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.814807][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   32.814925][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   32.815047][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.815171][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.815291][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.815407][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.815527][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.815649][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.815771][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.815888][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.816010][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.816133][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.816255][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.816376][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.816498][   T12]  kthread (kernel/kthread.c:436)
[   32.816590][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.816740][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.816859][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.816976][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.817127][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.817243][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.817359][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.820222][   T12] ------------[ cut here ]------------
| [   32.820352][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   32.820590][   T12] Modules linked in: xfrm_user nf_tables
| [   32.821006][   T12] Tainted: [W]=WARN
[   32.821096][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.821255][   T12] Workqueue: netns cleanup_net
[   32.821381][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.821540][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.821977][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   32.822132][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a108900 RCX: 1ff4000000018ed5
[   32.822309][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1089bc
[   32.822489][   T12] RBP: ff1100000a281000 R08: 1fe2200001421139 R09: ff11000001aed1d0
[   32.822676][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.822853][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.823033][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   32.823256][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.823407][   T12] CR2: 00007f8ff52fd55f CR3: 000000000ddd2002 CR4: 0000000000771ef0
[   32.823588][   T12] PKRU: 55555554
[   32.823684][   T12] Call Trace:
[   32.823774][   T12]  <TASK>
[   32.823836][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.823987][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.824141][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.824260][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.824378][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.824534][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   32.824664][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   32.824784][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.824903][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   32.825025][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   32.825150][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.825270][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.825391][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.825514][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.825633][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.825818][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.825937][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.826060][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.826188][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.826308][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.826433][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.826560][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.826711][   T12]  kthread (kernel/kthread.c:436)
[   32.826801][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.826950][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.827071][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.827198][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.827347][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.827465][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.827590][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.896042][   T12] ------------[ cut here ]------------
| [   32.896181][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   32.896411][   T12] Modules linked in: xfrm_user nf_tables
| [   32.896917][   T12] Tainted: [W]=WARN
[   32.897005][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.897158][   T12] Workqueue: netns cleanup_net
[   32.897278][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.897429][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.897858][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   32.898005][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e65f380 RCX: 1ff4000000018eed
[   32.898189][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e65f43c
[   32.898361][   T12] RBP: ff11000009b11000 R08: 1fe2200001ccbe89 R09: ff11000001aed1d0
[   32.898540][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.898720][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.898894][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   32.899097][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.899248][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000df96004 CR4: 0000000000771ef0
[   32.899424][   T12] PKRU: 55555554
[   32.899512][   T12] Call Trace:
[   32.899600][   T12]  <TASK>
[   32.899668][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.899817][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.899963][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.900081][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.900203][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.900324][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.900441][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.900563][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.900687][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.900801][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.900920][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.901038][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.901159][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.901278][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.901392][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.901512][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.901633][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.901758][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.901888][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.902008][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.902135][   T12]  kthread (kernel/kthread.c:436)
[   32.902223][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.902367][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.902491][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.902612][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.902764][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.902881][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.902998][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.905153][   T12] ------------[ cut here ]------------
| [   32.905272][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   32.905509][   T12] Modules linked in: xfrm_user nf_tables
| [   32.905914][   T12] Tainted: [W]=WARN
[   32.906004][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.906154][   T12] Workqueue: netns cleanup_net
[   32.906278][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.906432][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.906864][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   32.907012][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e65fa80 RCX: 1ff4000000018eed
[   32.907191][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e65fb3c
[   32.907364][   T12] RBP: ff1100000e449000 R08: 1fe2200001ccbf69 R09: ff11000001aed1d0
[   32.907541][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.907720][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.907896][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   32.908108][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.908254][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d003 CR4: 0000000000771ef0
[   32.908429][   T12] PKRU: 55555554
[   32.908521][   T12] Call Trace:
[   32.908608][   T12]  <TASK>
[   32.908673][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.908823][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.908971][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.909098][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.909221][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.909337][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.909456][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.909575][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.909704][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.909819][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.909940][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.910057][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.910181][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.910299][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.910415][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.910535][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.910663][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.910779][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.910900][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.911022][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.911145][   T12]  kthread (kernel/kthread.c:436)
[   32.911234][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.911378][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.911495][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.911616][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.911772][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.911892][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.912013][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.914143][   T12] ------------[ cut here ]------------
| [   32.914265][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   32.914492][   T12] Modules linked in: xfrm_user nf_tables
| [   32.915360][   T12] Tainted: [W]=WARN
[   32.915449][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.915596][   T12] Workqueue: netns cleanup_net
[   32.915764][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.915916][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.916337][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   32.916482][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dd00900 RCX: 1ff4000000018eed
[   32.916704][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd009bc
[   32.916876][   T12] RBP: ff11000012064000 R08: 1fe2200001ba0139 R09: ff11000001aed1d0
[   32.917095][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   32.917278][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.917453][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   32.917703][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.917847][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d003 CR4: 0000000000771ef0
[   32.918019][   T12] PKRU: 55555554
[   32.918110][   T12] Call Trace:
[   32.918197][   T12]  <TASK>
[   32.918259][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.918413][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.918570][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.918737][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.918854][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.918969][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.919086][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.919209][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.919328][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.919442][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.919564][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.919726][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.919842][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.919960][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.920080][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.920203][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.920325][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.920442][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.920567][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.920735][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.920851][   T12]  kthread (kernel/kthread.c:436)
[   32.920939][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.921084][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.921206][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.921323][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.921468][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.921587][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.921750][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.925231][   T12] ------------[ cut here ]------------
| [   32.925397][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   32.925695][   T12] Modules linked in: xfrm_user nf_tables
| [   32.926179][   T12] Tainted: [W]=WARN
[   32.926314][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.926508][   T12] Workqueue: netns cleanup_net
[   32.926703][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.926906][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.927375][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   32.927578][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dd00e40 RCX: 1ff4000000018eed
[   32.927863][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd00efc
[   32.928138][   T12] RBP: ff11000010041000 R08: 1fe2200001ba01e1 R09: ff11000001aed1d0
[   32.928422][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   32.928687][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.928912][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   32.929172][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.929366][   T12] CR2: 00007ffe3bb9f718 CR3: 000000000df96004 CR4: 0000000000771ef0
[   32.929594][   T12] PKRU: 55555554
[   32.929739][   T12] Call Trace:
[   32.929874][   T12]  <TASK>
[   32.929981][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.930182][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.930377][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.930546][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.930724][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.930888][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.931054][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.931227][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.931394][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.931567][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.931748][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.931914][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.932076][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.932248][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.932411][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.932585][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.932763][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.932927][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.933095][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.933274][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.933440][   T12]  kthread (kernel/kthread.c:436)
[   32.933585][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.933789][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.933955][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.934128][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.934320][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.934486][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.934668][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.937059][   T12] ------------[ cut here ]------------
| [   32.937256][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   32.937563][   T12] Modules linked in: xfrm_user nf_tables
| [   32.938056][   T12] Tainted: [W]=WARN
[   32.938198][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.938404][   T12] Workqueue: netns cleanup_net
[   32.938580][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.938790][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.939255][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   32.939449][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dd01000 RCX: 1ff4000000018eed
[   32.939686][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd010bc
[   32.939905][   T12] RBP: ff11000001dd4000 R08: 1fe2200001ba0219 R09: ff11000001aed1d0
[   32.940132][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   32.940350][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   32.940578][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   32.940842][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.941039][   T12] CR2: 00007ffe3bb9f718 CR3: 000000000df96004 CR4: 0000000000771ef0
[   32.941265][   T12] PKRU: 55555554
[   32.941398][   T12] Call Trace:
[   32.941534][   T12]  <TASK>
[   32.941643][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   32.941854][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.942048][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   32.942227][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   32.942394][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.942565][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   32.942742][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.942908][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   32.943074][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.943240][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.943413][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.943590][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.943785][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.943950][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.944121][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.944289][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.944458][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.944632][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.944813][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.944982][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.945151][   T12]  kthread (kernel/kthread.c:436)
[   32.945287][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.945478][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.945647][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.945832][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.946026][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.946200][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.946395][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.961142][   T12] ------------[ cut here ]------------
| [   32.961312][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   32.961610][   T12] Modules linked in: xfrm_user nf_tables
| [   32.962458][   T12] Tainted: [W]=WARN
[   32.962670][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.962926][   T12] Workqueue: netns cleanup_net
[   32.963160][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.963423][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.963971][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   32.964182][   T12] RAX: 00000000ffffffa6 RBX: ff11000010890ac0 RCX: 1ff4000000018eaf
[   32.964417][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010890b7c
[   32.964676][   T12] RBP: ff1100000e949000 R08: 1fe2200002112171 R09: ff11000001aed1d0
[   32.964904][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   32.965149][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a331000
[   32.965383][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   32.965729][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.965989][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   32.966293][   T12] PKRU: 55555554
[   32.966478][   T12] Call Trace:
[   32.966712][   T12]  <TASK>
[   32.966873][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.967119][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.967287][   T12]  netif_close_many (net/core/dev.c:1804)
[   32.967458][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.967637][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.967821][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.967994][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   32.968174][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   32.968380][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   32.968591][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.968777][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.968978][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.969160][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.969328][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.969532][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   32.969721][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   32.969892][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   32.970065][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.970246][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   32.970422][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   32.970606][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.970790][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.970964][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.971143][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.971313][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.971485][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.971679][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.971852][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.972027][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.972202][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.972378][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.972566][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.972752][   T12]  kthread (kernel/kthread.c:436)
[   32.972908][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.973116][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.973289][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.973490][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.973718][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.973888][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.974093][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.977251][   T12] ------------[ cut here ]------------
| [   32.977421][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   32.977732][   T12] Modules linked in: xfrm_user nf_tables
| [   32.978250][   T12] Tainted: [W]=WARN
[   32.978390][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.978633][   T12] Workqueue: netns cleanup_net
[   32.978820][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.979027][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.979526][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   32.979744][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a0dec80 RCX: 1ff4000000018eaf
[   32.979975][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a0ded3c
[   32.980209][   T12] RBP: ff1100000a331000 R08: 1fe220000141bda9 R09: ff11000001aed1d0
[   32.980440][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   32.980689][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000002654000
[   32.980921][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   32.981190][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.981391][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   32.981633][   T12] PKRU: 55555554
[   32.981784][   T12] Call Trace:
[   32.981922][   T12]  <TASK>
[   32.982033][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.982211][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   32.982382][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.982528][   T12]  netif_close_many (net/core/dev.c:1804)
[   32.982713][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.982884][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.983052][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.983231][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   32.983401][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   32.983611][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   32.983827][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.983998][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   32.984210][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   32.984382][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   32.984561][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   32.984777][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   32.984949][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   32.985127][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   32.985299][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   32.985473][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   32.985663][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   32.985836][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   32.986004][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   32.986185][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   32.986357][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   32.986528][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   32.986714][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.986887][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.987059][   T12]  process_one_work (kernel/workqueue.c:3314)
[   32.987241][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   32.987408][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   32.987591][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   32.987780][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   32.987951][   T12]  kthread (kernel/kthread.c:436)
[   32.988095][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   32.988303][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.988473][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   32.988652][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   32.988861][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   32.989030][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   32.989213][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   32.992484][   T12] ------------[ cut here ]------------
| [   32.992667][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   32.992956][   T12] Modules linked in: xfrm_user nf_tables
| [   32.993456][   T12] Tainted: [W]=WARN
[   32.993600][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   32.994365][   T12] Workqueue: netns cleanup_net
[   32.994601][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   32.994875][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   32.995414][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   32.995714][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ceaf8c0 RCX: 1ff4000000018eaf
[   32.996002][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceaf97c
[   32.996288][   T12] RBP: ff11000002654000 R08: 1fe22000019d5f31 R09: ff11000001aed1d0
[   32.996568][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   32.996858][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   32.997149][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   32.997456][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   32.997727][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   32.998008][   T12] PKRU: 55555554
[   32.998199][   T12] Call Trace:
[   32.998388][   T12]  <TASK>
[   32.998557][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   32.998787][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   32.999005][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   32.999203][   T12]  netif_close_many (net/core/dev.c:1804)
[   32.999450][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   32.999686][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   32.999908][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.000135][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   33.000354][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   33.000614][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   33.000877][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.001096][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.001350][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.001577][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.001809][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   33.002187][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   33.002447][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   33.002814][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   33.003000][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   33.003183][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   33.003386][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   33.003567][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.003754][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.003925][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.004096][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.004273][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.004444][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.004623][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.004808][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.004984][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.005162][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.005337][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.005518][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.005703][   T12]  kthread (kernel/kthread.c:436)
[   33.005847][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.006046][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.006226][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.006397][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.006604][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.006787][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.006958][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.009478][   T12] ------------[ cut here ]------------
| [   33.009643][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.010487][   T12] Modules linked in: xfrm_user nf_tables
| [   33.011079][   T12] Tainted: [W]=WARN
[   33.011276][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.011522][   T12] Workqueue: netns cleanup_net
[   33.011749][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.011999][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.012524][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   33.012778][   T12] RAX: 00000000ffffffa6 RBX: ff110000059be740 RCX: 1ff4000000018ed5
[   33.013048][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000059be7fc
[   33.013324][   T12] RBP: ff1100000e949000 R08: 1fe2200000b37d01 R09: ff11000001aed1d0
[   33.013599][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.013878][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.014158][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.014456][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.014716][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.014985][   T12] PKRU: 55555554
[   33.015170][   T12] Call Trace:
[   33.015351][   T12]  <TASK>
[   33.015507][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.015771][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.016009][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.016226][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.016435][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   33.016772][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   33.017115][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   33.017326][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   33.017595][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   33.017788][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   33.017954][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.018124][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.018293][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.018459][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.018632][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.018817][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.018982][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.019152][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.019321][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.019485][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.019674][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.019844][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.020008][   T12]  kthread (kernel/kthread.c:436)
[   33.020151][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.020346][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.020516][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.020697][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.020894][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.021061][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.021235][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.023953][   T12] ------------[ cut here ]------------
| [   33.024118][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.024404][   T12] Modules linked in: xfrm_user nf_tables
| [   33.025058][   T12] Tainted: [W]=WARN
[   33.025277][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.025525][   T12] Workqueue: netns cleanup_net
[   33.025757][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.026033][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.026561][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   33.026815][   T12] RAX: 00000000ffffffa6 RBX: ff110000059bf000 RCX: 1ff4000000018ed5
[   33.027090][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000059bf0bc
[   33.027364][   T12] RBP: ff1100000a331000 R08: 1fe2200000b37e19 R09: ff11000001aed1d0
[   33.027637][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.027916][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.028198][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.028496][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.028760][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.029027][   T12] PKRU: 55555554
[   33.029219][   T12] Call Trace:
[   33.029397][   T12]  <TASK>
[   33.029559][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.029811][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.030046][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.030264][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.030490][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   33.030749][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   33.030981][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   33.031206][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   33.031415][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   33.031635][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   33.031859][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.032068][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.032287][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.032501][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.032729][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.032940][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.033157][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.033405][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.033630][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.033853][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.034066][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.034243][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.034408][   T12]  kthread (kernel/kthread.c:436)
[   33.034549][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.034757][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.034924][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.035091][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.035296][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.035461][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.035635][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.038420][   T12] ------------[ cut here ]------------
| [   33.038587][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.039418][   T12] Modules linked in: xfrm_user nf_tables
| [   33.040008][   T12] Tainted: [W]=WARN
[   33.040195][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.040435][   T12] Workqueue: netns cleanup_net
[   33.040674][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.040920][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.041444][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   33.041703][   T12] RAX: 00000000ffffffa6 RBX: ff110000059bfc40 RCX: 1ff4000000018ed5
[   33.041969][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000059bfcfc
[   33.042257][   T12] RBP: ff11000002654000 R08: 1fe2200000b37fa1 R09: ff11000001aed1d0
[   33.042544][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.042823][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.043100][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.043404][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.043699][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.043970][   T12] PKRU: 55555554
[   33.044155][   T12] Call Trace:
[   33.044335][   T12]  <TASK>
[   33.044489][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.044751][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.044986][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.045202][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.045413][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   33.045681][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   33.045893][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   33.046172][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   33.046421][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   33.046710][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   33.046965][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.047226][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.047488][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.047761][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.048023][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.048257][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.048420][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.048596][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.048778][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.048943][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.049120][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.049289][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.049452][   T12]  kthread (kernel/kthread.c:436)
[   33.049593][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.049798][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.049961][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.050131][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.050329][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.050493][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.050677][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.086974][   T12] ------------[ cut here ]------------
| [   33.087148][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.087424][   T12] Modules linked in: xfrm_user nf_tables
| [   33.087946][   T12] Tainted: [W]=WARN
[   33.088079][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.088280][   T12] Workqueue: netns cleanup_net
[   33.088449][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.088666][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.089132][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   33.089325][   T12] RAX: 00000000ffffffa6 RBX: ff1100001204d8c0 RCX: 1ff4000000018eed
[   33.089552][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001204d97c
[   33.089785][   T12] RBP: ff11000012379000 R08: 1fe2200002409b31 R09: ff11000001aed1d0
[   33.090001][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.090224][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.090444][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.090717][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.090908][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.091137][   T12] PKRU: 55555554
[   33.091270][   T12] Call Trace:
[   33.091404][   T12]  <TASK>
[   33.091514][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.091726][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.091922][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   33.092085][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   33.092286][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.092449][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   33.092622][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.092799][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   33.092965][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.093135][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.093301][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.093465][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.093634][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.093811][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.093974][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.094150][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.094315][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.094481][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.094666][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.094834][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.094996][   T12]  kthread (kernel/kthread.c:436)
[   33.095138][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.095328][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.095494][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.095681][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.095874][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.096038][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.096207][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.098777][   T12] ------------[ cut here ]------------
| [   33.098935][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.099214][   T12] Modules linked in: xfrm_user nf_tables
| [   33.100136][   T12] Tainted: [W]=WARN
[   33.100268][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.100459][   T12] Workqueue: netns cleanup_net
[   33.100634][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.100844][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.101310][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   33.101501][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fee5000 RCX: 1ff4000000018eed
[   33.101737][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fee50bc
[   33.101957][   T12] RBP: ff11000014c1c000 R08: 1fe2200001fdca19 R09: ff11000001aed1d0
[   33.102178][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.102405][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.102631][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.102890][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.103083][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.103309][   T12] PKRU: 55555554
[   33.103442][   T12] Call Trace:
[   33.103582][   T12]  <TASK>
[   33.103702][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.103896][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.104084][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   33.104257][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   33.104419][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.104589][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   33.104769][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.104934][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   33.105112][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.105285][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.105454][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.105626][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.105801][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.105965][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.106136][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.106300][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.106467][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.106638][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.106823][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.106992][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.107164][   T12]  kthread (kernel/kthread.c:436)
[   33.107300][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.107491][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.107684][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.107850][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.108044][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.108228][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.108393][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.110980][   T12] ------------[ cut here ]------------
| [   33.111143][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.111433][   T12] Modules linked in: xfrm_user nf_tables
| [   33.112440][   T12] Tainted: [W]=WARN
[   33.112628][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.112879][   T12] Workqueue: netns cleanup_net
[   33.113093][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.113346][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.113870][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   33.114118][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fee4ac0 RCX: 1ff4000000018eed
[   33.114382][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fee4b7c
[   33.114676][   T12] RBP: ff11000014c31000 R08: 1fe2200001fdc971 R09: ff11000001aed1d0
[   33.114942][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.115214][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.115480][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.115791][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.116041][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.116314][   T12] PKRU: 55555554
[   33.116492][   T12] Call Trace:
[   33.116689][   T12]  <TASK>
[   33.116840][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.117082][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.117352][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   33.117615][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   33.117896][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.118161][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   33.118416][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.118699][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   33.118958][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.119218][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.119461][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.119666][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.119827][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.119992][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.120198][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.120366][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.120553][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.120731][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.120930][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.121098][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.121272][   T12]  kthread (kernel/kthread.c:436)
[   33.121411][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.121640][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.121822][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.121988][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.122192][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.122357][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.122528][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.124959][   T12] ------------[ cut here ]------------
| [   33.125125][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.125409][   T12] Modules linked in: xfrm_user nf_tables
| [   33.126337][   T12] Tainted: [W]=WARN
[   33.126523][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.126779][   T12] Workqueue: netns cleanup_net
[   33.126992][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.127247][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.127770][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   33.128012][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ce10e40 RCX: 1ff4000000018eed
[   33.128282][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce10efc
[   33.128558][   T12] RBP: ff1100000a261000 R08: 1fe22000019c21e1 R09: ff11000001aed1d0
[   33.128832][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.129094][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.129370][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.129686][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.129923][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.130195][   T12] PKRU: 55555554
[   33.130372][   T12] Call Trace:
[   33.130560][   T12]  <TASK>
[   33.130727][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.130975][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.131220][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   33.131455][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   33.131755][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.132060][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   33.132364][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.132682][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   33.132987][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.133287][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.133595][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.133850][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.134018][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.134204][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.134380][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.134563][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.134755][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.134926][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.135112][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.135292][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.135464][   T12]  kthread (kernel/kthread.c:436)
[   33.135612][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.135830][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.136002][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.136184][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.136385][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.136564][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.136750][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.139210][   T12] ------------[ cut here ]------------
| [   33.139365][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.139647][   T12] Modules linked in: xfrm_user nf_tables
| [   33.140713][   T12] Tainted: [W]=WARN
[   33.140893][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.141138][   T12] Workqueue: netns cleanup_net
[   33.141353][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.141608][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.142133][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   33.142371][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ce11000 RCX: 1ff4000000018eed
[   33.142642][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce110bc
[   33.142922][   T12] RBP: ff1100000f884000 R08: 1fe22000019c2219 R09: ff11000001aed1d0
[   33.143194][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.143456][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.143743][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.144042][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.144283][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.144556][   T12] PKRU: 55555554
[   33.144747][   T12] Call Trace:
[   33.144923][   T12]  <TASK>
[   33.145074][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.145323][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.145570][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   33.145794][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   33.146005][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.146222][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   33.146432][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.146705][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   33.146955][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.147216][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.147492][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.147768][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.148021][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.148278][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.148471][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.148648][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.148832][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.148999][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.149181][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.149353][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.149522][   T12]  kthread (kernel/kthread.c:436)
[   33.149672][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.149865][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.150030][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.150205][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.150401][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.150575][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.150757][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.167923][   T12] ------------[ cut here ]------------
| [   33.168092][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.168392][   T12] Modules linked in: xfrm_user nf_tables
| [   33.169136][   T12] Tainted: [W]=WARN
[   33.169291][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.169497][   T12] Workqueue: netns cleanup_net
[   33.169693][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.169907][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.170401][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   33.170611][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fee4900 RCX: 1ff4000000018eaf
[   33.170856][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fee49bc
[   33.171084][   T12] RBP: ff1100001249c000 R08: 1fe2200001fdc939 R09: ff11000001aed1d0
[   33.171321][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   33.171561][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f211000
[   33.171808][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.172069][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.172277][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.172515][   T12] PKRU: 55555554
[   33.172668][   T12] Call Trace:
[   33.172807][   T12]  <TASK>
[   33.172919][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.173091][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.173242][   T12]  netif_close_many (net/core/dev.c:1804)
[   33.173413][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.173589][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.173775][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.173946][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   33.174124][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   33.174326][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   33.174531][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.174718][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.174918][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.175088][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.175270][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   33.175472][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   33.175673][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   33.175847][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   33.176017][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   33.176198][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   33.176370][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   33.176554][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.176733][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.176908][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.177079][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.177256][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.177431][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.177609][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.177799][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.177975][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.178152][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.178329][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.178506][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.178695][   T12]  kthread (kernel/kthread.c:436)
[   33.178835][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.179040][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.179220][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.179391][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.179599][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.179782][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.179954][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.183132][   T12] ------------[ cut here ]------------
| [   33.183301][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.183598][   T12] Modules linked in: xfrm_user nf_tables
| [   33.184644][   T12] Tainted: [W]=WARN
[   33.184846][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.185094][   T12] Workqueue: netns cleanup_net
[   33.185333][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.185615][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.186180][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   33.186489][   T12] RAX: 00000000ffffffa6 RBX: ff11000008fcb700 RCX: 1ff4000000018eaf
[   33.186790][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008fcb7bc
[   33.187091][   T12] RBP: ff1100000f211000 R08: 1fe22000011f96f9 R09: ff11000001aed1d0
[   33.187406][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   33.187729][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f8ec000
[   33.188064][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.188385][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.188666][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.188894][   T12] PKRU: 55555554
[   33.189037][   T12] Call Trace:
[   33.189184][   T12]  <TASK>
[   33.189295][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.189469][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   33.189646][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.189805][   T12]  netif_close_many (net/core/dev.c:1804)
[   33.189977][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.190151][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.190327][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.190498][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   33.190719][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   33.190923][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   33.191135][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.191309][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.191512][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.191728][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.191900][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   33.192103][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   33.192285][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   33.192456][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   33.192636][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   33.192821][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   33.192994][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   33.193179][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.193348][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.193527][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.193714][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.193884][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.194057][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.194234][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.194413][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.194602][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.194787][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.194963][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.195145][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.195317][   T12]  kthread (kernel/kthread.c:436)
[   33.195459][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.195681][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.195855][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.196027][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.196236][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.196408][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.196588][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.201209][   T12] ------------[ cut here ]------------
| [   33.201380][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.201693][   T12] Modules linked in: xfrm_user nf_tables
| [   33.202205][   T12] Tainted: [W]=WARN
[   33.202352][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.202588][   T12] Workqueue: netns cleanup_net
[   33.202871][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.203208][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.203768][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   33.204031][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc98c80 RCX: 1ff4000000018eaf
[   33.204324][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc98d3c
[   33.204613][   T12] RBP: ff1100000f8ec000 R08: 1fe2200001b931a9 R09: ff11000001aed1d0
[   33.204905][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   33.205189][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   33.205509][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.205845][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.206097][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.206393][   T12] PKRU: 55555554
[   33.206586][   T12] Call Trace:
[   33.206787][   T12]  <TASK>
[   33.206947][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.207179][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   33.207399][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.207599][   T12]  netif_close_many (net/core/dev.c:1804)
[   33.207835][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.208085][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.208315][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.208549][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   33.208782][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   33.209034][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   33.209292][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.209549][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.209811][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.210030][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.210260][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   33.210547][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   33.210783][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   33.211004][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   33.211232][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   33.211453][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   33.211697][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   33.211918][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.212217][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.212494][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.212753][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.212924][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.213098][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.213283][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.213455][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.213639][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.213824][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.213999][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.214186][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.214358][   T12]  kthread (kernel/kthread.c:436)
[   33.214501][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.214722][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.214893][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.215064][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.215275][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.215445][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.215623][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.218135][   T12] ------------[ cut here ]------------
| [   33.218294][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.218582][   T12] Modules linked in: xfrm_user nf_tables
| [   33.219379][   T12] Tainted: [W]=WARN
[   33.219519][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.219739][   T12] Workqueue: netns cleanup_net
[   33.219915][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.220124][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.220598][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   33.220808][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc99a80 RCX: 1ff4000000018ed5
[   33.221033][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc99b3c
[   33.221263][   T12] RBP: ff1100001249c000 R08: 1fe2200001b93369 R09: ff11000001aed1d0
[   33.221485][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.221724][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.221951][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.222210][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.222406][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.222638][   T12] PKRU: 55555554
[   33.222786][   T12] Call Trace:
[   33.222921][   T12]  <TASK>
[   33.223029][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.223257][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.223453][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.223628][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.223806][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   33.224005][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   33.224182][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   33.224348][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   33.224523][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   33.224704][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   33.224873][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.225039][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.225214][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.225381][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.225554][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.225735][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.225903][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.226072][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.226248][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.226414][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.226594][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.226778][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.226946][   T12]  kthread (kernel/kthread.c:436)
[   33.227087][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.227288][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.227456][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.227634][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.227840][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.228006][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.228181][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.230927][   T12] ------------[ cut here ]------------
| [   33.231089][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.231382][   T12] Modules linked in: xfrm_user nf_tables
| [   33.231969][   T12] Tainted: [W]=WARN
[   33.232177][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.232487][   T12] Workqueue: netns cleanup_net
[   33.232726][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.232992][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.233523][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   33.233800][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c9603c0 RCX: 1ff4000000018ed5
[   33.234101][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c96047c
[   33.234378][   T12] RBP: ff1100000f211000 R08: 1fe220000192c091 R09: ff11000001aed1d0
[   33.234668][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.234936][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.235227][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.235535][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.235789][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.236058][   T12] PKRU: 55555554
[   33.236247][   T12] Call Trace:
[   33.236430][   T12]  <TASK>
[   33.236592][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.236851][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.237094][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.237344][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.237565][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   33.237827][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   33.238041][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   33.238286][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   33.238498][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   33.238728][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   33.238943][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.239164][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.239385][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.239607][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.239830][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.240043][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.240266][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.240478][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.240713][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.240927][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.241155][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.241402][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.241624][   T12]  kthread (kernel/kthread.c:436)
[   33.241775][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.241971][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.242147][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.242314][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.242511][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.242692][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.242857][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.246973][   T12] ------------[ cut here ]------------
| [   33.247140][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.247420][   T12] Modules linked in: xfrm_user nf_tables
| [   33.247922][   T12] Tainted: [W]=WARN
[   33.248061][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.248274][   T12] Workqueue: netns cleanup_net
[   33.248444][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.248664][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.249136][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   33.249336][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c961000 RCX: 1ff4000000018ed5
[   33.249562][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9610bc
[   33.249859][   T12] RBP: ff1100000f8ec000 R08: 1fe220000192c219 R09: ff11000001aed1d0
[   33.250136][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.250406][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.250701][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.251062][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.251310][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.251588][   T12] PKRU: 55555554
[   33.251779][   T12] Call Trace:
[   33.251969][   T12]  <TASK>
[   33.252130][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.252381][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.252627][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.252851][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.253062][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   33.253317][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   33.253543][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   33.253769][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   33.253982][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   33.254199][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   33.254413][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.254631][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.254860][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.255076][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.255291][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.255505][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.255733][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.255946][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.256197][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.256410][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.256638][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.256869][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.257128][   T12]  kthread (kernel/kthread.c:436)
[   33.257367][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.257573][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.257753][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.257955][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.258162][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.258329][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.258496][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.308625][   T12] ------------[ cut here ]------------
| [   33.308805][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.309085][   T12] Modules linked in: xfrm_user nf_tables
| [   33.309582][   T12] Tainted: [W]=WARN
[   33.309732][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.309924][   T12] Workqueue: netns cleanup_net
[   33.310097][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.310303][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.310783][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   33.311006][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ce10580 RCX: 1ff4000000018eed
[   33.311236][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce1063c
[   33.311458][   T12] RBP: ff11000010979000 R08: 1fe22000019c20c9 R09: ff11000001aed1d0
[   33.311699][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.311917][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.312148][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.312396][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.312597][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.312831][   T12] PKRU: 55555554
[   33.312966][   T12] Call Trace:
[   33.313101][   T12]  <TASK>
[   33.313222][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.313419][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.313618][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   33.313794][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   33.313964][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.314134][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   33.314301][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.314471][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   33.314645][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.314821][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.314987][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.315162][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.315329][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.315496][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.315680][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.315851][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.316020][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.316192][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.316359][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.316532][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.316712][   T12]  kthread (kernel/kthread.c:436)
[   33.316847][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.317042][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.317211][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.317378][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.317580][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.317760][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.317924][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.320535][   T12] ------------[ cut here ]------------
| [   33.321016][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.321390][   T12] Modules linked in: xfrm_user nf_tables
| [   33.321915][   T12] Tainted: [W]=WARN
[   33.322052][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.322253][   T12] Workqueue: netns cleanup_net
[   33.322422][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.322630][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.323117][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   33.323311][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be30580 RCX: 1ff4000000018eed
[   33.323534][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be3063c
[   33.323772][   T12] RBP: ff1100000ded4000 R08: 1fe22000017c60c9 R09: ff11000001aed1d0
[   33.323992][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.324221][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.324443][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.324718][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.324912][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.325139][   T12] PKRU: 55555554
[   33.325274][   T12] Call Trace:
[   33.325408][   T12]  <TASK>
[   33.325519][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.325734][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.325928][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   33.326094][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   33.326268][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.326431][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   33.326609][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.326791][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   33.326959][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.327143][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.327343][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.327513][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.327695][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.327863][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.328028][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.328204][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.328377][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.328547][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.328731][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.328902][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.329066][   T12]  kthread (kernel/kthread.c:436)
[   33.329211][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.329403][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.329580][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.329760][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.329954][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.330126][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.330293][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.332918][   T12] ------------[ cut here ]------------
| [   33.333078][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.333362][   T12] Modules linked in: xfrm_user nf_tables
| [   33.334090][   T12] Tainted: [W]=WARN
[   33.334281][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.334524][   T12] Workqueue: netns cleanup_net
[   33.334750][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.334993][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.335515][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   33.335769][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be30e40 RCX: 1ff4000000018eed
[   33.336032][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be30efc
[   33.336314][   T12] RBP: ff1100000f991000 R08: 1fe22000017c61e1 R09: ff11000001aed1d0
[   33.336580][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.336860][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.337131][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.337424][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.337683][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.337950][   T12] PKRU: 55555554
[   33.338135][   T12] Call Trace:
[   33.338315][   T12]  <TASK>
[   33.338466][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.338730][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.338966][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   33.339181][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   33.339393][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.339621][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   33.339836][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.339999][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   33.340176][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.340339][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.340510][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.340693][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.340856][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.341026][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.341200][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.341367][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.341541][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.341721][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.341890][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.342060][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.342236][   T12]  kthread (kernel/kthread.c:436)
[   33.342377][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.342579][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.342759][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.342927][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.343127][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.343294][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.343461][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.345913][   T12] ------------[ cut here ]------------
| [   33.346071][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.346354][   T12] Modules linked in: xfrm_user nf_tables
| [   33.347326][   T12] Tainted: [W]=WARN
[   33.347563][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.347859][   T12] Workqueue: netns cleanup_net
[   33.348122][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.348405][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.348936][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   33.349182][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be31380 RCX: 1ff4000000018eed
[   33.349465][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be3143c
[   33.349748][   T12] RBP: ff1100000f9f1000 R08: 1fe22000017c6289 R09: ff11000001aed1d0
[   33.350015][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.350290][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.350566][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.350872][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.351118][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.351383][   T12] PKRU: 55555554
[   33.351565][   T12] Call Trace:
[   33.351758][   T12]  <TASK>
[   33.351910][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.352159][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.352396][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   33.352612][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   33.352837][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.353046][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   33.353267][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.353486][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   33.353716][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.353925][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.354143][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.354354][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.354567][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.354791][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.355003][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.355223][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.355443][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.355731][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.355985][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.356256][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.356514][   T12]  kthread (kernel/kthread.c:436)
[   33.356755][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.357039][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.357328][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.357613][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.357828][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.357991][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.358166][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.360559][   T12] ------------[ cut here ]------------
| [   33.360737][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.361010][   T12] Modules linked in: xfrm_user nf_tables
| [   33.361496][   T12] Tainted: [W]=WARN
[   33.361636][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.361994][   T12] Workqueue: netns cleanup_net
[   33.362218][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.362471][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.362996][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   33.363242][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be311c0 RCX: 1ff4000000018eed
[   33.363508][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be3127c
[   33.363791][   T12] RBP: ff1100000e4f1000 R08: 1fe22000017c6251 R09: ff11000001aed1d0
[   33.364055][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.364329][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.364601][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.364909][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.365154][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.365425][   T12] PKRU: 55555554
[   33.365607][   T12] Call Trace:
[   33.365801][   T12]  <TASK>
[   33.365953][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.366199][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.366435][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   33.366712][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   33.366923][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.367139][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   33.367353][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.367569][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   33.367795][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.368003][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.368227][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.368451][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.368735][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.368997][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.369261][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.369525][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.369797][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.370051][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.370256][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.370425][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.370599][   T12]  kthread (kernel/kthread.c:436)
[   33.370751][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.370945][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.371118][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.371284][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.371475][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.371644][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.371824][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.374412][   T12] ------------[ cut here ]------------
| [   33.374580][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.375400][   T12] Modules linked in: xfrm_user nf_tables
| [   33.375999][   T12] Tainted: [W]=WARN
[   33.376187][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.376428][   T12] Workqueue: netns cleanup_net
[   33.376667][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.376915][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.377431][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   33.377695][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be31c40 RCX: 1ff4000000018eed
[   33.377961][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be31cfc
[   33.378241][   T12] RBP: ff1100000fba9000 R08: 1fe22000017c63a1 R09: ff11000001aed1d0
[   33.378546][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.378824][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.379090][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.379398][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.379643][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.379922][   T12] PKRU: 55555554
[   33.380099][   T12] Call Trace:
[   33.380284][   T12]  <TASK>
[   33.380437][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.380702][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.380942][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   33.381161][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   33.381375][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.381593][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   33.381824][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.382036][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   33.382256][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.382468][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.382703][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.382915][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.383131][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.383342][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.383559][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.383782][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.383996][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.384256][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.384527][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.384811][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.385065][   T12]  kthread (kernel/kthread.c:436)
[   33.385299][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.385597][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.385868][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.386134][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.386396][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.386575][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.386754][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.389411][   T12] ------------[ cut here ]------------
| [   33.389576][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.390280][   T12] Modules linked in: xfrm_user nf_tables
| [   33.390879][   T12] Tainted: [W]=WARN
[   33.391059][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.391310][   T12] Workqueue: netns cleanup_net
[   33.391535][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.391795][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.392316][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   33.392562][   T12] RAX: 00000000ffffffa6 RBX: ff1100001243ec80 RCX: 1ff4000000018eed
[   33.392839][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243ed3c
[   33.393119][   T12] RBP: ff110000087d9000 R08: 1fe2200002487da9 R09: ff11000001aed1d0
[   33.393385][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.393671][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.393951][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.394258][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.394499][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.394787][   T12] PKRU: 55555554
[   33.394965][   T12] Call Trace:
[   33.395151][   T12]  <TASK>
[   33.395305][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.395561][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.395839][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   33.396048][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   33.396272][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.396527][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   33.396804][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.397040][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   33.397214][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.397377][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.397551][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.397730][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.397893][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.398060][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.398233][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.398404][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.398584][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.398760][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.398929][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.399135][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.399303][   T12]  kthread (kernel/kthread.c:436)
[   33.399438][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.399640][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.399819][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.399986][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.400183][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.400349][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.400516][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.403102][   T12] ------------[ cut here ]------------
| [   33.403268][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.403545][   T12] Modules linked in: xfrm_user nf_tables
| [   33.404739][   T12] Tainted: [W]=WARN
[   33.404925][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.405168][   T12] Workqueue: netns cleanup_net
[   33.405388][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.405643][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.406222][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   33.406462][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda8200 RCX: 1ff4000000018eed
[   33.406748][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda82bc
[   33.407016][   T12] RBP: ff11000012bbc000 R08: 1fe2200001bb5059 R09: ff11000001aed1d0
[   33.407287][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.407557][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.407836][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.408142][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.408380][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.408711][   T12] PKRU: 55555554
[   33.408889][   T12] Call Trace:
[   33.409067][   T12]  <TASK>
[   33.409228][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.409471][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.409729][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   33.409939][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   33.410156][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.410362][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   33.410574][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.410797][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   33.411006][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.411221][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.411434][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.411705][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.411913][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.412130][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.412338][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.412558][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.412780][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.413021][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.413287][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.413483][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.413663][   T12]  kthread (kernel/kthread.c:436)
[   33.413799][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.413992][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.414165][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.414334][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.414530][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.414705][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.414870][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.417265][   T12] ------------[ cut here ]------------
| [   33.417423][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   33.418451][   T12] Modules linked in: xfrm_user nf_tables
| [   33.419049][   T12] Tainted: [W]=WARN
[   33.419236][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.419476][   T12] Workqueue: netns cleanup_net
[   33.419708][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.419954][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.420464][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   33.420731][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda9700 RCX: 1ff4000000018eed
[   33.420994][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda97bc
[   33.421266][   T12] RBP: ff11000010294000 R08: 1fe2200001bb52f9 R09: ff11000001aed1d0
[   33.421543][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   33.421819][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.422085][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.422386][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.422636][   T12] CR2: 000055d401a24a78 CR3: 000000004994d005 CR4: 0000000000771ef0
[   33.422914][   T12] PKRU: 55555554
[   33.423091][   T12] Call Trace:
[   33.423276][   T12]  <TASK>
[   33.423430][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.423695][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.423932][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   33.424150][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   33.424363][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.424574][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   33.424797][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.425008][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   33.425259][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.425517][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.425800][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.426053][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.426320][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.426585][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.426822][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.426985][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.427157][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.427322][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.427490][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.427682][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.427846][   T12]  kthread (kernel/kthread.c:436)
[   33.427980][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.428179][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.428343][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.428510][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.428719][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.428887][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.429051][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.437965][   T12] ------------[ cut here ]------------
| [   33.438097][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   33.438340][   T12] Modules linked in: xfrm_user nf_tables
| [   33.438740][   T12] Tainted: [W]=WARN
[   33.438828][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.438979][   T12] Workqueue: netns cleanup_net
[   33.439100][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.439261][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.439689][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   33.439837][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda8580 RCX: 1ff4000000018eed
[   33.440013][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda863c
[   33.440192][   T12] RBP: ff11000009af1000 R08: 1fe2200001bb50c9 R09: ff11000001aed1d0
[   33.440365][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   33.440541][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.440724][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   33.440928][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.441074][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000d4c8003 CR4: 0000000000771ef0
[   33.441257][   T12] PKRU: 55555554
[   33.441345][   T12] Call Trace:
[   33.441432][   T12]  <TASK>
[   33.441494][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.441659][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.441805][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   33.441923][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   33.442040][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.442166][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   33.442283][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.442406][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   33.442529][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.442644][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.442770][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.442892][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.443008][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.443136][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.443257][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.443375][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.443499][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.443619][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.443751][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.443873][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.443990][   T12]  kthread (kernel/kthread.c:436)
[   33.444079][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.444228][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.444346][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.444463][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.444612][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.444735][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.444853][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.453578][  T832] ------------[ cut here ]------------
| [   33.453733][  T832] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/832
| [   33.453968][  T832] Modules linked in: xfrm_user nf_tables
| [   33.454410][  T832] Tainted: [W]=WARN
[   33.454514][  T832] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.454685][  T832] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.454856][  T832] 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
[   33.455331][  T832] RSP: 0018:ffa0000000fd7a80 EFLAGS: 00010286
[   33.455498][  T832] RAX: 00000000ffffffa6 RBX: ff1100000b59cc80 RCX: 1ff40000001faf16
[   33.455700][  T832] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b59cd3c
[   33.455896][  T832] RBP: ff1100000ea31000 R08: 1fe22000016b39a9 R09: ff1100000eb2d180
[   33.456092][  T832] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   33.456292][  T832] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ea31000
[   33.456490][  T832] FS:  00007fd8d5ad8840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   33.456727][  T832] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.456893][  T832] CR2: 00007fd8d5ce27d0 CR3: 0000000008d8f001 CR4: 0000000000771ef0
[   33.457090][  T832] PKRU: 55555554
[   33.457193][  T832] Call Trace:
[   33.457290][  T832]  <TASK>
[   33.457358][  T832]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.457492][  T832]  ? notifier_call_chain (kernel/notifier.c:85)
[   33.457627][  T832]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.457733][  T832]  register_netdevice (net/core/dev.c:11488)
[   33.457865][  T832]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   33.458028][  T832]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   33.458165][  T832]  register_netdev (net/core/dev.c:11552)
[   33.458295][  T832]  loopback_net_init (drivers/net/loopback.c:218)
[   33.458426][  T832]  ops_init (net/core/net_namespace.c:137)
[   33.458531][  T832]  setup_net (net/core/net_namespace.c:446)
[   33.458632][  T832]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   33.458767][  T832]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   33.458898][  T832]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   33.459033][  T832]  copy_net_ns (net/core/net_namespace.c:579)
[   33.459174][  T832]  create_new_namespaces (kernel/nsproxy.c:132)
[   33.459307][  T832]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   33.459439][  T832]  ksys_unshare (kernel/fork.c:3243)
[   33.459575][  T832]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   33.459714][  T832]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   33.459845][  T832]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   33.459978][  T832]  ? __ia32_sys_open (fs/open.c:1374)
[   33.460116][  T832]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   33.460247][  T832]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   33.460377][  T832]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.460510][  T832]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.460642][  T832]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.460778][  T832]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.460941][  T832] RIP: 0033:0x7fd8d5d9abcb
[   33.461081][  T832] 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
[   33.461560][  T832] RSP: 002b:00007ffd7b478008 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   33.461763][  T832] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd8d5d9abcb
[   33.461957][  T832] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   33.462157][  T832] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   33.462351][  T832] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7b47a230
[   33.462549][  T832] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7b47a888
| [   33.466861][  T832] ------------[ cut here ]------------
| [   33.466998][  T832] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/832
| [   33.467230][  T832] Modules linked in: xfrm_user nf_tables
| [   33.467632][  T832] Tainted: [W]=WARN
[   33.467737][  T832] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.467903][  T832] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.468074][  T832] 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
[   33.468544][  T832] RSP: 0018:ffa0000000fd7918 EFLAGS: 00010286
[   33.468713][  T832] RAX: 00000000ffffffa6 RBX: ff1100001246e900 RCX: 1ff40000001faee9
[   33.468907][  T832] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e9bc
[   33.469102][  T832] RBP: ff110000087cc000 R08: 1fe220000248dd39 R09: ff1100000eb2d180
[   33.469303][  T832] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   33.469497][  T832] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000087cc000
[   33.469703][  T832] FS:  00007fd8d5ad8840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   33.469932][  T832] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.470095][  T832] CR2: 00007fd8d5ce27d0 CR3: 0000000008d8f001 CR4: 0000000000771ef0
[   33.470297][  T832] PKRU: 55555554
[   33.470394][  T832] Call Trace:
[   33.470492][  T832]  <TASK>
[   33.470564][  T832]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.470698][  T832]  ? notifier_call_chain (kernel/notifier.c:85)
[   33.470829][  T832]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.470929][  T832]  register_netdevice (net/core/dev.c:11488)
[   33.471062][  T832]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   33.471229][  T832]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   33.471363][  T832]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   33.471496][  T832]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   33.471631][  T832]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   33.471767][  T832]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   33.471898][  T832]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   33.472031][  T832]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   33.472171][  T832]  ops_init (net/core/net_namespace.c:137)
[   33.472272][  T832]  setup_net (net/core/net_namespace.c:446)
[   33.472373][  T832]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   33.472505][  T832]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   33.472636][  T832]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   33.472775][  T832]  copy_net_ns (net/core/net_namespace.c:579)
[   33.472907][  T832]  create_new_namespaces (kernel/nsproxy.c:132)
[   33.473039][  T832]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   33.473178][  T832]  ksys_unshare (kernel/fork.c:3243)
[   33.473311][  T832]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   33.473441][  T832]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   33.473575][  T832]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   33.473710][  T832]  ? __ia32_sys_open (fs/open.c:1374)
[   33.473842][  T832]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   33.473972][  T832]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   33.474101][  T832]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.474238][  T832]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.474369][  T832]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.474499][  T832]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.474666][  T832] RIP: 0033:0x7fd8d5d9abcb
[   33.474802][  T832] 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
[   33.475272][  T832] RSP: 002b:00007ffd7b478008 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   33.475467][  T832] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd8d5d9abcb
[   33.475668][  T832] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   33.475862][  T832] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   33.476056][  T832] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7b47a230
[   33.476257][  T832] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7b47a888
| [   33.477871][   T12] ------------[ cut here ]------------
| [   33.478002][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   33.478248][   T12] Modules linked in: xfrm_user nf_tables
| [   33.478669][   T12] Tainted: [W]=WARN
[   33.478762][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.478917][   T12] Workqueue: netns cleanup_net
[   33.479045][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.479214][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.479662][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   33.479817][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d1f0e40 RCX: 1ff4000000018eaf
[   33.479999][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d1f0efc
[   33.480187][   T12] RBP: ff11000009141000 R08: 1fe2200001a3e1e1 R09: ff11000001aed1d0
[   33.480371][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   33.480560][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b64000
[   33.480752][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   33.480970][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.481130][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000d4c8003 CR4: 0000000000771ef0
[   33.481318][   T12] PKRU: 55555554
[   33.481411][   T12] Call Trace:
[   33.481504][   T12]  <TASK>
[   33.481570][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.481699][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.481794][   T12]  netif_close_many (net/core/dev.c:1804)
[   33.481918][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   33.482042][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   33.482172][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   33.482329][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   33.482486][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.482617][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.482778][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.482901][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.483030][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   33.483160][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   33.483285][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   33.483410][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   33.483539][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   33.483668][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.483792][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.483917][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.484041][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.484171][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.484298][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.484422][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.484548][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.484681][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.484805][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.484935][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.485062][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.485192][   T12]  kthread (kernel/kthread.c:436)
[   33.485285][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.485439][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.485567][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.485696][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.485851][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.485976][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.486100][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.489124][   T12] ------------[ cut here ]------------
| [   33.489249][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   33.489494][   T12] Modules linked in: xfrm_user nf_tables
| [   33.489910][   T12] Tainted: [W]=WARN
[   33.490003][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.490162][   T12] Workqueue: netns cleanup_net
[   33.490291][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.490451][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.490917][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   33.491072][   T12] RAX: 00000000ffffffa6 RBX: ff11000004e59e00 RCX: 1ff4000000018eaf
[   33.491261][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004e59ebc
[   33.491445][   T12] RBP: ff11000009b64000 R08: 1fe22000009cb3d9 R09: ff11000001aed1d0
[   33.491633][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   33.491831][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e734000
[   33.492018][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   33.492248][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.492403][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000d4c8003 CR4: 0000000000771ef0
[   33.492592][   T12] PKRU: 55555554
[   33.492691][   T12] Call Trace:
[   33.492785][   T12]  <TASK>
[   33.492851][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.492973][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   33.493097][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.493201][   T12]  netif_close_many (net/core/dev.c:1804)
[   33.493324][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   33.493446][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   33.493572][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   33.493733][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   33.493888][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.494010][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.494176][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.494297][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.494429][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   33.494560][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   33.494691][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   33.494820][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   33.494945][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   33.495069][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.495197][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.495323][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.495447][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.495572][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.495704][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.495828][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.495951][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.496078][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.496206][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.496333][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.496461][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.496590][   T12]  kthread (kernel/kthread.c:436)
[   33.496688][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.496842][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.496966][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.497089][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.497249][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.497373][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.497537][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.499153][   T12] ------------[ cut here ]------------
| [   33.499275][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   33.499517][   T12] Modules linked in: xfrm_user nf_tables
| [   33.499929][   T12] Tainted: [W]=WARN
[   33.500022][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.500180][   T12] Workqueue: netns cleanup_net
[   33.500310][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.500471][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.500920][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   33.501074][   T12] RAX: 00000000ffffffa6 RBX: ff11000014d8c580 RCX: 1ff4000000018eaf
[   33.501265][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d8c63c
[   33.501449][   T12] RBP: ff1100000e734000 R08: 1fe22000029b18c9 R09: ff11000001aed1d0
[   33.501633][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   33.501823][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f264000
[   33.502011][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   33.502232][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.502386][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000d4c8003 CR4: 0000000000771ef0
[   33.502574][   T12] PKRU: 55555554
[   33.502670][   T12] Call Trace:
[   33.502761][   T12]  <TASK>
[   33.502827][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.502950][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   33.503074][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.503174][   T12]  netif_close_many (net/core/dev.c:1804)
[   33.503297][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   33.503420][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   33.503545][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   33.503710][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   33.503865][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.503992][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.504148][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.504270][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.504396][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   33.504524][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   33.504648][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   33.504779][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   33.504902][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   33.505027][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.505153][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.505278][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.505401][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.505528][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.505660][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.505785][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.505909][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.506035][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.506164][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.506291][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.506420][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.506544][   T12]  kthread (kernel/kthread.c:436)
[   33.506637][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.506794][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.506918][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.507041][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.507199][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.507323][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.507448][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.515939][   T12] ------------[ cut here ]------------
| [   33.516067][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   33.516316][   T12] Modules linked in: xfrm_user nf_tables
| [   33.516732][   T12] Tainted: [W]=WARN
[   33.516827][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.516984][   T12] Workqueue: netns cleanup_net
[   33.517116][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.517278][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.517728][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   33.517882][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e955540 RCX: 1ff4000000018eaf
[   33.518067][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e9555fc
[   33.518255][   T12] RBP: ff1100000f264000 R08: 1fe2200001d2aac1 R09: ff11000001aed1d0
[   33.518439][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   33.518718][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   33.518906][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   33.519208][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.519363][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000d4c8003 CR4: 0000000000771ef0
[   33.519550][   T12] PKRU: 55555554
[   33.519642][   T12] Call Trace:
[   33.519739][   T12]  <TASK>
[   33.519803][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.519929][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   33.520055][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.520152][   T12]  netif_close_many (net/core/dev.c:1804)
[   33.520356][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   33.520481][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   33.520607][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   33.520846][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   33.521004][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.521131][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.521284][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.521487][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.521619][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   33.521750][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   33.521874][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   33.522079][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   33.522208][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   33.522333][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.522454][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.522667][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.522792][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.522915][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.523040][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.523250][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.523376][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.523505][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.523629][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.523841][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.523969][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.524091][   T12]  kthread (kernel/kthread.c:436)
[   33.524192][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.524426][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.524556][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.524687][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.524842][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.525046][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.525176][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.527677][   T12] ------------[ cut here ]------------
| [   33.527802][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   33.528114][   T12] Modules linked in: xfrm_user nf_tables
| [   33.528581][   T12] Tainted: [W]=WARN
[   33.528705][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.528854][   T12] Workqueue: netns cleanup_net
[   33.528977][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.529217][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.529646][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   33.529801][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e5abc40 RCX: 1ff4000000018ed5
[   33.529979][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5abcfc
[   33.530161][   T12] RBP: ff11000009141000 R08: 1fe2200001cb57a1 R09: ff11000001aed1d0
[   33.530412][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   33.530591][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.530851][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   33.531066][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.531218][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000d4c8003 CR4: 0000000000771ef0
[   33.531474][   T12] PKRU: 55555554
[   33.531566][   T12] Call Trace:
[   33.531662][   T12]  <TASK>
[   33.531725][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.531950][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.532098][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.532221][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.532345][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   33.532542][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   33.532666][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   33.532786][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   33.532910][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   33.533115][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.533238][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.533359][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.533479][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.533680][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.533799][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.533921][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.534042][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.534245][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.534366][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.534489][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.534618][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.534742][   T12]  kthread (kernel/kthread.c:436)
[   33.534833][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.534983][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.535103][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.535304][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.535452][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.535576][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.535707][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.538946][   T12] ------------[ cut here ]------------
| [   33.539074][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   33.539311][   T12] Modules linked in: xfrm_user nf_tables
| [   33.539794][   T12] Tainted: [W]=WARN
[   33.539883][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.540117][   T12] Workqueue: netns cleanup_net
[   33.540242][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.540397][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.540912][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   33.541061][   T12] RAX: 00000000ffffffa6 RBX: ff11000008d42580 RCX: 1ff4000000018ed5
[   33.541324][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d4263c
[   33.541504][   T12] RBP: ff11000009b64000 R08: 1fe22000011a84c9 R09: ff11000001aed1d0
[   33.541762][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   33.541941][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.542123][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   33.542424][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.542578][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000d4c8003 CR4: 0000000000771ef0
[   33.542764][   T12] PKRU: 55555554
[   33.542925][   T12] Call Trace:
[   33.543012][   T12]  <TASK>
[   33.543074][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.543230][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.543383][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.543575][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.543707][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   33.543828][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   33.543947][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   33.544143][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   33.544263][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   33.544386][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.544512][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.544712][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.544831][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.544949][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.545069][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.545263][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.545385][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.545514][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.545631][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.545759][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.545884][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.546003][   T12]  kthread (kernel/kthread.c:436)
[   33.546098][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.546325][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.546445][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.546568][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.546793][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.546913][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.547033][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.549976][   T12] ------------[ cut here ]------------
| [   33.550101][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   33.550408][   T12] Modules linked in: xfrm_user nf_tables
| [   33.551268][   T12] Tainted: [W]=WARN
[   33.551364][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.551514][   T12] Workqueue: netns cleanup_net
[   33.551637][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.551861][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.552299][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   33.552448][   T12] RAX: 00000000ffffffa6 RBX: ff11000008d42e40 RCX: 1ff4000000018ed5
[   33.552626][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d42efc
[   33.552852][   T12] RBP: ff1100000e734000 R08: 1fe22000011a85e1 R09: ff11000001aed1d0
[   33.553029][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   33.553210][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.553389][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   33.553600][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.553826][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000d4c8003 CR4: 0000000000771ef0
[   33.554005][   T12] PKRU: 55555554
[   33.554094][   T12] Call Trace:
[   33.554188][   T12]  <TASK>
[   33.554250][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.554405][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.554561][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.554729][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.554852][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   33.554976][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   33.555096][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   33.555219][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   33.555340][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   33.555463][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.555587][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.555768][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.555887][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.556004][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.556134][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.556253][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.556373][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.556503][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.556626][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.556823][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.556948][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.557067][   T12]  kthread (kernel/kthread.c:436)
[   33.557162][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.557312][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.557433][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.557559][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.557756][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.557874][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.557993][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.573657][   T12] ------------[ cut here ]------------
| [   33.573790][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   33.574027][   T12] Modules linked in: xfrm_user nf_tables
| [   33.574430][   T12] Tainted: [W]=WARN
[   33.574523][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.574678][   T12] Workqueue: netns cleanup_net
[   33.574802][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.574956][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   33.575389][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   33.575540][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ce11540 RCX: 1ff4000000018ed5
[   33.575722][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce115fc
[   33.575898][   T12] RBP: ff1100000f264000 R08: 1fe22000019c22c1 R09: ff11000001aed1d0
[   33.576074][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   33.576257][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   33.576435][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   33.576643][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.576801][   T12] CR2: 00007fd8d5ce27d0 CR3: 0000000008d8f001 CR4: 0000000000771ef0
[   33.576980][   T12] PKRU: 55555554
[   33.577068][   T12] Call Trace:
[   33.577161][   T12]  <TASK>
[   33.577228][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   33.577384][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   33.577534][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   33.577656][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   33.577779][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   33.577898][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   33.578022][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   33.578145][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   33.578266][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   33.578386][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   33.578508][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.578631][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   33.578755][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   33.578872][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   33.578992][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.579115][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.579240][   T12]  process_one_work (kernel/workqueue.c:3314)
[   33.579363][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   33.579481][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.579605][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   33.579742][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   33.579861][   T12]  kthread (kernel/kthread.c:436)
[   33.579954][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   33.580102][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.580227][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   33.580347][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   33.580496][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   33.580620][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   33.580745][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   33.585766][  T832] ------------[ cut here ]------------
| [   33.585909][  T832] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/832
| [   33.586146][  T832] Modules linked in: xfrm_user nf_tables
| [   33.586552][  T832] Tainted: [W]=WARN
[   33.586657][  T832] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.586823][  T832] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.586995][  T832] 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
[   33.587468][  T832] RSP: 0018:ffa0000000fd78f8 EFLAGS: 00010286
[   33.587637][  T832] RAX: 00000000ffffffa6 RBX: ff1100000b59d8c0 RCX: 1ff40000001faee5
[   33.587839][  T832] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b59d97c
[   33.588034][  T832] RBP: ff1100000f8e4000 R08: 1fe22000016b3b31 R09: ff1100000eb2d180
[   33.588235][  T832] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   33.588430][  T832] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f8e4000
[   33.588634][  T832] FS:  00007fd8d5ad8840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   33.588871][  T832] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.589036][  T832] CR2: 00007fd8d5ce27d0 CR3: 0000000008d8f001 CR4: 0000000000771ef0
[   33.589240][  T832] PKRU: 55555554
[   33.589338][  T832] Call Trace:
[   33.589436][  T832]  <TASK>
[   33.589507][  T832]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.589639][  T832]  ? notifier_call_chain (kernel/notifier.c:85)
[   33.589775][  T832]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.589876][  T832]  register_netdevice (net/core/dev.c:11488)
[   33.590009][  T832]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   33.590180][  T832]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   33.590314][  T832]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   33.590447][  T832]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   33.590579][  T832]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   33.590717][  T832]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   33.590849][  T832]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   33.590981][  T832]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   33.591118][  T832]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   33.591253][  T832]  vti_init_net (net/ipv4/ip_vti.c:517)
[   33.591387][  T832]  ops_init (net/core/net_namespace.c:137)
[   33.591488][  T832]  setup_net (net/core/net_namespace.c:446)
[   33.591592][  T832]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   33.591727][  T832]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   33.591858][  T832]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   33.591992][  T832]  copy_net_ns (net/core/net_namespace.c:579)
[   33.592129][  T832]  create_new_namespaces (kernel/nsproxy.c:132)
[   33.592265][  T832]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   33.592396][  T832]  ksys_unshare (kernel/fork.c:3243)
[   33.592531][  T832]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   33.592677][  T832]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   33.592810][  T832]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   33.592941][  T832]  ? __ia32_sys_open (fs/open.c:1374)
[   33.593074][  T832]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   33.593211][  T832]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   33.593344][  T832]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.593476][  T832]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.593609][  T832]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.593745][  T832]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.593908][  T832] RIP: 0033:0x7fd8d5d9abcb
[   33.594047][  T832] 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
[   33.594516][  T832] RSP: 002b:00007ffd7b478008 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   33.594719][  T832] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd8d5d9abcb
[   33.594915][  T832] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   33.595115][  T832] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   33.595313][  T832] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7b47a230
[   33.595511][  T832] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7b47a888
| [   33.599808][  T832] ------------[ cut here ]------------
| [   33.599945][  T832] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/832
| [   33.600173][  T832] Modules linked in: xfrm_user nf_tables
| [   33.600573][  T832] Tainted: [W]=WARN
[   33.600678][  T832] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.600842][  T832] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.601012][  T832] 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
[   33.601478][  T832] RSP: 0018:ffa0000000fd7a78 EFLAGS: 00010286
[   33.601643][  T832] RAX: 00000000ffffffa6 RBX: ff11000008d43000 RCX: 1ff40000001faf15
[   33.601844][  T832] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d430bc
[   33.602040][  T832] RBP: ff11000012209000 R08: 1fe22000011a8619 R09: ff1100000eb2d180
[   33.602239][  T832] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   33.602433][  T832] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012209000
[   33.602633][  T832] FS:  00007fd8d5ad8840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   33.603453][  T832] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.603626][  T832] CR2: 00007fd8d5ce27d0 CR3: 0000000008d8f001 CR4: 0000000000771ef0
[   33.603875][  T832] PKRU: 55555554
[   33.604026][  T832] Call Trace:
[   33.604131][  T832]  <TASK>
[   33.604200][  T832]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.604330][  T832]  ? notifier_call_chain (kernel/notifier.c:85)
[   33.604459][  T832]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.604564][  T832]  register_netdevice (net/core/dev.c:11488)
[   33.604748][  T832]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   33.604910][  T832]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.605041][  T832]  register_netdev (net/core/dev.c:11552)
[   33.605176][  T832]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   33.605308][  T832]  ops_init (net/core/net_namespace.c:137)
[   33.605407][  T832]  setup_net (net/core/net_namespace.c:446)
[   33.605508][  T832]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   33.605639][  T832]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   33.605823][  T832]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   33.605955][  T832]  copy_net_ns (net/core/net_namespace.c:579)
[   33.606087][  T832]  create_new_namespaces (kernel/nsproxy.c:132)
[   33.606226][  T832]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   33.606356][  T832]  ksys_unshare (kernel/fork.c:3243)
[   33.606487][  T832]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   33.606620][  T832]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   33.606809][  T832]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   33.606940][  T832]  ? __ia32_sys_open (fs/open.c:1374)
[   33.607072][  T832]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   33.607207][  T832]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   33.607338][  T832]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.607467][  T832]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.607601][  T832]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.607789][  T832]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.607950][  T832] RIP: 0033:0x7fd8d5d9abcb
[   33.608084][  T832] 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
[   33.608550][  T832] RSP: 002b:00007ffd7b478008 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   33.608804][  T832] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd8d5d9abcb
[   33.608995][  T832] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   33.609193][  T832] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   33.609384][  T832] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7b47a230
[   33.609579][  T832] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7b47a888
| [   33.615482][  T832] ------------[ cut here ]------------
| [   33.615635][  T832] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/832
| [   33.615870][  T832] Modules linked in: xfrm_user nf_tables
| [   33.616274][  T832] Tainted: [W]=WARN
[   33.616372][  T832] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.616538][  T832] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.616721][  T832] 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
[   33.617192][  T832] RSP: 0018:ffa0000000fd7a68 EFLAGS: 00010286
[   33.617355][  T832] RAX: 00000000ffffffa6 RBX: ff110000103a5540 RCX: 1ff40000001faf13
[   33.617548][  T832] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000103a55fc
[   33.617747][  T832] RBP: ff110000121e4000 R08: 1fe2200002074ac1 R09: ff1100000eb2d180
[   33.617939][  T832] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   33.618139][  T832] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000121e4000
[   33.618335][  T832] FS:  00007fd8d5ad8840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   33.618564][  T832] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.618731][  T832] CR2: 00007f4cd72fcf98 CR3: 0000000008d8f004 CR4: 0000000000771ef0
[   33.618927][  T832] PKRU: 55555554
[   33.619025][  T832] Call Trace:
[   33.619126][  T832]  <TASK>
[   33.619194][  T832]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.619325][  T832]  ? notifier_call_chain (kernel/notifier.c:85)
[   33.619454][  T832]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.619558][  T832]  register_netdevice (net/core/dev.c:11488)
[   33.619695][  T832]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   33.619858][  T832]  register_netdev (net/core/dev.c:11552)
[   33.619988][  T832]  sit_init_net (net/ipv6/sit.c:1860)
[   33.620122][  T832]  ops_init (net/core/net_namespace.c:137)
[   33.620221][  T832]  setup_net (net/core/net_namespace.c:446)
[   33.620319][  T832]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   33.620448][  T832]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   33.620579][  T832]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   33.620716][  T832]  copy_net_ns (net/core/net_namespace.c:579)
[   33.620847][  T832]  create_new_namespaces (kernel/nsproxy.c:132)
[   33.620979][  T832]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   33.621115][  T832]  ksys_unshare (kernel/fork.c:3243)
[   33.621244][  T832]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   33.621374][  T832]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   33.621505][  T832]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   33.621637][  T832]  ? __ia32_sys_open (fs/open.c:1374)
[   33.621775][  T832]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   33.621903][  T832]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   33.622032][  T832]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.622165][  T832]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.622293][  T832]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.622423][  T832]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.622586][  T832] RIP: 0033:0x7fd8d5d9abcb
[   33.622727][  T832] 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
[   33.623192][  T832] RSP: 002b:00007ffd7b478008 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   33.623386][  T832] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd8d5d9abcb
[   33.623580][  T832] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   33.623781][  T832] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   33.623972][  T832] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7b47a230
[   33.624170][  T832] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7b47a888
| [   33.635338][  T832] ------------[ cut here ]------------
| [   33.635475][  T832] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/832
| [   33.635708][  T832] Modules linked in: xfrm_user nf_tables
| [   33.636111][  T832] Tainted: [W]=WARN
[   33.636216][  T832] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.636380][  T832] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.636551][  T832] 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
[   33.637037][  T832] RSP: 0018:ffa0000000fd7a78 EFLAGS: 00010286
[   33.637209][  T832] RAX: 00000000ffffffa6 RBX: ff1100001246e200 RCX: 1ff40000001faf15
[   33.637401][  T832] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e2bc
[   33.637600][  T832] RBP: ff1100000f999000 R08: 1fe220000248dc59 R09: ff1100000eb2d180
[   33.637805][  T832] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   33.637997][  T832] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f999000
[   33.638199][  T832] FS:  00007fd8d5ad8840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   33.638424][  T832] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.638594][  T832] CR2: 00007f4cd72fcf98 CR3: 0000000008d8f004 CR4: 0000000000771ef0
[   33.638794][  T832] PKRU: 55555554
[   33.638891][  T832] Call Trace:
[   33.638988][  T832]  <TASK>
[   33.639055][  T832]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.639198][  T832]  ? notifier_call_chain (kernel/notifier.c:85)
[   33.639330][  T832]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.639433][  T832]  register_netdevice (net/core/dev.c:11488)
[   33.639568][  T832]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   33.639731][  T832]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.639866][  T832]  register_netdev (net/core/dev.c:11552)
[   33.639997][  T832]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   33.640131][  T832]  ops_init (net/core/net_namespace.c:137)
[   33.640232][  T832]  setup_net (net/core/net_namespace.c:446)
[   33.640331][  T832]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   33.640459][  T832]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   33.640594][  T832]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   33.640731][  T832]  copy_net_ns (net/core/net_namespace.c:579)
[   33.640862][  T832]  create_new_namespaces (kernel/nsproxy.c:132)
[   33.640996][  T832]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   33.641134][  T832]  ksys_unshare (kernel/fork.c:3243)
[   33.641263][  T832]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   33.641392][  T832]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   33.641526][  T832]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   33.641662][  T832]  ? __ia32_sys_open (fs/open.c:1374)
[   33.641795][  T832]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   33.641926][  T832]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   33.642055][  T832]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.642189][  T832]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.642319][  T832]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.642449][  T832]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.642612][  T832] RIP: 0033:0x7fd8d5d9abcb
[   33.642751][  T832] 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
[   33.643216][  T832] RSP: 002b:00007ffd7b478008 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   33.643412][  T832] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd8d5d9abcb
[   33.643608][  T832] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   33.643806][  T832] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   33.643997][  T832] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd7b47a230
[   33.644193][  T832] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd7b47a888
| [   33.675193][  T833] ------------[ cut here ]------------
| [   33.675373][  T833] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/833
| [   33.676139][  T833] Modules linked in: xfrm_user nf_tables
| [   33.676642][  T833] Tainted: [W]=WARN
[   33.676801][  T833] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.677007][  T833] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.677232][  T833] 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
[   33.677759][  T833] RSP: 0018:ffa0000000fe7020 EFLAGS: 00010286
[   33.677970][  T833] RAX: 00000000ffffffa6 RBX: ff11000012120200 RCX: 1ff40000001fcdca
[   33.678216][  T833] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121202bc
[   33.678453][  T833] RBP: ff1100000ea31000 R08: 1fe2200002424059 R09: ff1100000abbae58
[   33.678712][  T833] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   33.678953][  T833] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   33.679199][  T833] FS:  00007fa7578b0840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.679470][  T833] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.679695][  T833] CR2: 00007fa757b801a0 CR3: 000000000de06006 CR4: 0000000000771ef0
[   33.679940][  T833] PKRU: 55555554
[   33.680083][  T833] Call Trace:
[   33.680235][  T833]  <TASK>
[   33.680349][  T833]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.680530][  T833]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.680689][  T833]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   33.680863][  T833]  __dev_notify_flags (net/core/dev.c:9787)
[   33.681041][  T833]  ? netif_change_name (net/core/dev.c:1495)
[   33.681231][  T833]  ? __dev_change_flags (net/core/dev.c:9752)
[   33.681409][  T833]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   33.681593][  T833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.681783][  T833]  ? 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))
[   33.681963][  T833]  netif_change_flags (net/core/dev.c:9820)
[   33.682147][  T833]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   33.682323][  T833]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   33.682507][  T833]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   33.682700][  T833]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   33.682907][  T833]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.683083][  T833]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.683267][  T833]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   33.683443][  T833]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.683631][  T833]  ? __kernel_text_address (kernel/extable.c:79)
[   33.683823][  T833]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.684001][  T833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.684185][  T833]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   33.684363][  T833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.684546][  T833]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.684735][  T833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.684912][  T833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.685093][  T833]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   33.685278][  T833]  ? __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)
[   33.685454][  T833]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   33.685639][  T833]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   33.685830][  T833]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   33.686010][  T833]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   33.686201][  T833]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   33.686385][  T833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.686571][  T833]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.686763][  T833]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.686938][  T833]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.687121][  T833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.687303][  T833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.687478][  T833]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.687674][  T833]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.687856][  T833]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.688034][  T833]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.688217][  T833]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   33.688394][  T833]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.688580][  T833]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.688766][  T833]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.688945][  T833]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.689130][  T833]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.689313][  T833]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   33.689492][  T833]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.689693][  T833]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.689873][  T833]  ? 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))
[   33.690048][  T833]  ? 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))
[   33.690236][  T833]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.690416][  T833]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.690605][  T833]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.690798][  T833]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   33.690979][  T833]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   33.691166][  T833]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   33.691351][  T833]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   33.691535][  T833]  ? copy_msghdr_from_user (net/socket.c:2635)
[   33.691725][  T833]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   33.691932][  T833]  ? move_addr_to_kernel (net/socket.c:258)
[   33.692119][  T833]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.692306][  T833]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.692485][  T833]  ___sys_sendmsg (net/socket.c:2752)
[   33.692680][  T833]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   33.692888][  T833]  ? copy_msghdr_from_user (net/socket.c:2603)
[   33.693078][  T833]  __sys_sendmsg (net/socket.c:2784)
[   33.693264][  T833]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   33.693444][  T833]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   33.693677][  T833]  ? 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)
[   33.693855][  T833]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.694033][  T833]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.694217][  T833]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.694393][  T833]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.694580][  T833]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.694800][  T833] RIP: 0033:0x7fa757aea08e
[   33.694986][  T833] 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
[   33.695506][  T833] RSP: 002b:00007ffd0109fa20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.695766][  T833] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa757aea08e
[   33.696010][  T833] RDX: 0000000000000000 RSI: 00007ffd0109fad0 RDI: 0000000000000005
[   33.696259][  T833] RBP: 00007ffd0109fa30 R08: 0000000000000000 R09: 0000000000000000
[   33.696499][  T833] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84b
[   33.696760][  T833] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd010a01a0
| [   33.829268][  T837] ------------[ cut here ]------------
| [   33.829415][  T837] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/837
| [   33.829648][  T837] Modules linked in: xfrm_user nf_tables
| [   33.830057][  T837] Tainted: [W]=WARN
[   33.830161][  T837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.830325][  T837] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.830495][  T837] 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
[   33.830964][  T837] RSP: 0018:ffa0000001027a80 EFLAGS: 00010286
[   33.831134][  T837] RAX: 00000000ffffffa6 RBX: ff110000120cb8c0 RCX: 1ff4000000204f16
[   33.831327][  T837] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000120cb97c
[   33.831526][  T837] RBP: ff110000087e9000 R08: 1fe2200002419731 R09: ff1100000a8ed180
[   33.831725][  T837] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   33.831919][  T837] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000087e9000
[   33.832118][  T837] FS:  00007fc8a0c3f840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   33.832347][  T837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.832515][  T837] CR2: 00007fc8a0e46430 CR3: 000000000e457001 CR4: 0000000000771ef0
[   33.832717][  T837] PKRU: 55555554
[   33.832815][  T837] Call Trace:
[   33.832911][  T837]  <TASK>
[   33.832979][  T837]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.833114][  T837]  ? notifier_call_chain (kernel/notifier.c:85)
[   33.833245][  T837]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.833345][  T837]  register_netdevice (net/core/dev.c:11488)
[   33.833478][  T837]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   33.833644][  T837]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   33.833782][  T837]  register_netdev (net/core/dev.c:11552)
[   33.833913][  T837]  loopback_net_init (drivers/net/loopback.c:218)
[   33.834044][  T837]  ops_init (net/core/net_namespace.c:137)
[   33.834149][  T837]  setup_net (net/core/net_namespace.c:446)
[   33.834248][  T837]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   33.834377][  T837]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   33.834512][  T837]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   33.834643][  T837]  copy_net_ns (net/core/net_namespace.c:579)
[   33.834780][  T837]  create_new_namespaces (kernel/nsproxy.c:132)
[   33.834913][  T837]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   33.835044][  T837]  ksys_unshare (kernel/fork.c:3243)
[   33.835180][  T837]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   33.835310][  T837]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   33.835439][  T837]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   33.835575][  T837]  ? __ia32_sys_open (fs/open.c:1374)
[   33.835713][  T837]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   33.835843][  T837]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   33.835972][  T837]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.836103][  T837]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.836238][  T837]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.836368][  T837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.836534][  T837] RIP: 0033:0x7fc8a0f01bcb
[   33.836676][  T837] 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
[   33.837148][  T837] RSP: 002b:00007ffe76c75018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   33.837342][  T837] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc8a0f01bcb
[   33.837538][  T837] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   33.837736][  T837] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   33.837928][  T837] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe76c77240
[   33.838124][  T837] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe76c77887
| [   33.843004][  T837] ------------[ cut here ]------------
| [   33.843149][  T837] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/837
| [   33.843376][  T837] Modules linked in: xfrm_user nf_tables
| [   33.843779][  T837] Tainted: [W]=WARN
[   33.843879][  T837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.844038][  T837] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.844209][  T837] 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
[   33.844674][  T837] RSP: 0018:ffa0000001027918 EFLAGS: 00010286
[   33.844837][  T837] RAX: 00000000ffffffa6 RBX: ff1100001243e3c0 RCX: 1ff4000000204ee9
[   33.845028][  T837] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243e47c
[   33.845226][  T837] RBP: ff11000007f3c000 R08: 1fe2200002487c91 R09: ff1100000a8ed180
[   33.845417][  T837] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   33.845611][  T837] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007f3c000
[   33.845809][  T837] FS:  00007fc8a0c3f840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   33.846036][  T837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.846204][  T837] CR2: 00007fc8a0e46430 CR3: 000000000e457001 CR4: 0000000000771ef0
[   33.846399][  T837] PKRU: 55555554
[   33.846496][  T837] Call Trace:
[   33.846595][  T837]  <TASK>
[   33.846666][  T837]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.846797][  T837]  ? notifier_call_chain (kernel/notifier.c:85)
[   33.846927][  T837]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.847027][  T837]  register_netdevice (net/core/dev.c:11488)
[   33.847164][  T837]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   33.847325][  T837]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   33.847455][  T837]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   33.847589][  T837]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   33.847723][  T837]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   33.847853][  T837]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   33.847983][  T837]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   33.848118][  T837]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   33.848248][  T837]  ops_init (net/core/net_namespace.c:137)
[   33.848348][  T837]  setup_net (net/core/net_namespace.c:446)
[   33.848446][  T837]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   33.848576][  T837]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   33.848712][  T837]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   33.848843][  T837]  copy_net_ns (net/core/net_namespace.c:579)
[   33.848973][  T837]  create_new_namespaces (kernel/nsproxy.c:132)
[   33.849104][  T837]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   33.849241][  T837]  ksys_unshare (kernel/fork.c:3243)
[   33.849368][  T837]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   33.849497][  T837]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   33.849628][  T837]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   33.849817][  T837]  ? __ia32_sys_open (fs/open.c:1374)
[   33.850000][  T837]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   33.850135][  T837]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   33.850265][  T837]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.850393][  T837]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.850527][  T837]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.850711][  T837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.850870][  T837] RIP: 0033:0x7fc8a0f01bcb
[   33.851003][  T837] 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
[   33.851467][  T837] RSP: 002b:00007ffe76c75018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   33.851718][  T837] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc8a0f01bcb
[   33.851910][  T837] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   33.852102][  T837] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   33.852302][  T837] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe76c77240
[   33.852495][  T837] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe76c77887
| [   33.857458][  T837] ------------[ cut here ]------------
| [   33.857609][  T837] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/837
| [   33.857847][  T837] Modules linked in: xfrm_user nf_tables
| [   33.858252][  T837] Tainted: [W]=WARN
[   33.858350][  T837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.858515][  T837] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.858693][  T837] 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
[   33.859168][  T837] RSP: 0018:ffa00000010278f8 EFLAGS: 00010286
[   33.859332][  T837] RAX: 00000000ffffffa6 RBX: ff1100000e5ab540 RCX: 1ff4000000204ee5
[   33.859530][  T837] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5ab5fc
[   33.859755][  T837] RBP: ff11000008bd9000 R08: 1fe2200001cb56c1 R09: ff1100000a8ed180
[   33.859952][  T837] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   33.860151][  T837] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008bd9000
[   33.860347][  T837] FS:  00007fc8a0c3f840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   33.860579][  T837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.860750][  T837] CR2: 000055d3d5b6bd5c CR3: 000000000e457006 CR4: 0000000000771ef0
[   33.860981][  T837] PKRU: 55555554
[   33.861079][  T837] Call Trace:
[   33.861182][  T837]  <TASK>
[   33.861249][  T837]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.861381][  T837]  ? notifier_call_chain (kernel/notifier.c:85)
[   33.861515][  T837]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.861615][  T837]  register_netdevice (net/core/dev.c:11488)
[   33.861757][  T837]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   33.861918][  T837]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   33.862050][  T837]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   33.862185][  T837]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   33.862315][  T837]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   33.862446][  T837]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   33.862580][  T837]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   33.862718][  T837]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   33.862851][  T837]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   33.862983][  T837]  vti_init_net (net/ipv4/ip_vti.c:517)
[   33.863118][  T837]  ops_init (net/core/net_namespace.c:137)
[   33.863220][  T837]  setup_net (net/core/net_namespace.c:446)
[   33.863320][  T837]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   33.863451][  T837]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   33.863584][  T837]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   33.863725][  T837]  copy_net_ns (net/core/net_namespace.c:579)
[   33.863857][  T837]  create_new_namespaces (kernel/nsproxy.c:132)
[   33.863991][  T837]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   33.864125][  T837]  ksys_unshare (kernel/fork.c:3243)
[   33.864255][  T837]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   33.864384][  T837]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   33.864515][  T837]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   33.864648][  T837]  ? __ia32_sys_open (fs/open.c:1374)
[   33.864786][  T837]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   33.864915][  T837]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   33.865044][  T837]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.865178][  T837]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.865308][  T837]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.865438][  T837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.865601][  T837] RIP: 0033:0x7fc8a0f01bcb
[   33.865746][  T837] 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
[   33.866216][  T837] RSP: 002b:00007ffe76c75018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   33.866412][  T837] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc8a0f01bcb
[   33.866610][  T837] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   33.866811][  T837] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   33.867006][  T837] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe76c77240
[   33.867204][  T837] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe76c77887
| [   33.871274][  T837] ------------[ cut here ]------------
| [   33.871411][  T837] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/837
| [   33.871640][  T837] Modules linked in: xfrm_user nf_tables
| [   33.872041][  T837] Tainted: [W]=WARN
[   33.872145][  T837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.872305][  T837] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.872475][  T837] 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
[   33.872943][  T837] RSP: 0018:ffa0000001027a78 EFLAGS: 00010286
[   33.873110][  T837] RAX: 00000000ffffffa6 RBX: ff1100001246f700 RCX: 1ff4000000204f15
[   33.873305][  T837] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246f7bc
[   33.873498][  T837] RBP: ff1100000f00c000 R08: 1fe220000248def9 R09: ff1100000a8ed180
[   33.873698][  T837] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   33.873889][  T837] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f00c000
[   33.874085][  T837] FS:  00007fc8a0c3f840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   33.874319][  T837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.874480][  T837] CR2: 000055d3d5b6bd5c CR3: 000000000e457006 CR4: 0000000000771ef0
[   33.874681][  T837] PKRU: 55555554
[   33.874778][  T837] Call Trace:
[   33.874874][  T837]  <TASK>
[   33.874941][  T837]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.875074][  T837]  ? notifier_call_chain (kernel/notifier.c:85)
[   33.875209][  T837]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.875306][  T837]  register_netdevice (net/core/dev.c:11488)
[   33.875437][  T837]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   33.875598][  T837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.875734][  T837]  register_netdev (net/core/dev.c:11552)
[   33.875864][  T837]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   33.875996][  T837]  ops_init (net/core/net_namespace.c:137)
[   33.876095][  T837]  setup_net (net/core/net_namespace.c:446)
[   33.876200][  T837]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   33.876328][  T837]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   33.876455][  T837]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   33.876591][  T837]  copy_net_ns (net/core/net_namespace.c:579)
[   33.876726][  T837]  create_new_namespaces (kernel/nsproxy.c:132)
[   33.876860][  T837]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   33.876991][  T837]  ksys_unshare (kernel/fork.c:3243)
[   33.877122][  T837]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   33.877251][  T837]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   33.877380][  T837]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   33.877513][  T837]  ? __ia32_sys_open (fs/open.c:1374)
[   33.877644][  T837]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   33.877779][  T837]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   33.877908][  T837]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.878037][  T837]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.878171][  T837]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.878299][  T837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.878457][  T837] RIP: 0033:0x7fc8a0f01bcb
[   33.878596][  T837] 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
[   33.879063][  T837] RSP: 002b:00007ffe76c75018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   33.879261][  T837] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc8a0f01bcb
[   33.879453][  T837] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   33.879656][  T837] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   33.879849][  T837] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe76c77240
[   33.880042][  T837] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe76c77887
| [   33.884381][  T837] ------------[ cut here ]------------
| [   33.884518][  T837] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/837
| [   33.884750][  T837] Modules linked in: xfrm_user nf_tables
| [   33.885151][  T837] Tainted: [W]=WARN
[   33.885248][  T837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.885410][  T837] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.885581][  T837] 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
[   33.886047][  T837] RSP: 0018:ffa0000001027a68 EFLAGS: 00010286
[   33.886214][  T837] RAX: 00000000ffffffa6 RBX: ff110000058e0c80 RCX: 1ff4000000204f13
[   33.886407][  T837] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000058e0d3c
[   33.886604][  T837] RBP: ff11000005119000 R08: 1fe2200000b1c1a9 R09: ff1100000a8ed180
[   33.886805][  T837] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   33.886996][  T837] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005119000
[   33.887194][  T837] FS:  00007fc8a0c3f840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   33.887420][  T837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.887583][  T837] CR2: 000055d3d5b6bd5c CR3: 000000000e457006 CR4: 0000000000771ef0
[   33.887785][  T837] PKRU: 55555554
[   33.887882][  T837] Call Trace:
[   33.887978][  T837]  <TASK>
[   33.888045][  T837]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.888178][  T837]  ? notifier_call_chain (kernel/notifier.c:85)
[   33.888307][  T837]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.888405][  T837]  register_netdevice (net/core/dev.c:11488)
[   33.888541][  T837]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   33.888711][  T837]  register_netdev (net/core/dev.c:11552)
[   33.888839][  T837]  sit_init_net (net/ipv6/sit.c:1860)
[   33.888970][  T837]  ops_init (net/core/net_namespace.c:137)
[   33.889070][  T837]  setup_net (net/core/net_namespace.c:446)
[   33.889173][  T837]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   33.889302][  T837]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   33.889431][  T837]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   33.889567][  T837]  copy_net_ns (net/core/net_namespace.c:579)
[   33.889703][  T837]  create_new_namespaces (kernel/nsproxy.c:132)
[   33.889836][  T837]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   33.889966][  T837]  ksys_unshare (kernel/fork.c:3243)
[   33.890096][  T837]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   33.890230][  T837]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   33.890363][  T837]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   33.890495][  T837]  ? __ia32_sys_open (fs/open.c:1374)
[   33.890629][  T837]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   33.890762][  T837]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   33.890892][  T837]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.891021][  T837]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.891153][  T837]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.891283][  T837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.891445][  T837] RIP: 0033:0x7fc8a0f01bcb
[   33.891582][  T837] 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
[   33.892046][  T837] RSP: 002b:00007ffe76c75018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   33.892245][  T837] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc8a0f01bcb
[   33.892443][  T837] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   33.892636][  T837] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   33.892834][  T837] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe76c77240
[   33.893027][  T837] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe76c77887
| [   33.897324][  T837] ------------[ cut here ]------------
| [   33.897461][  T837] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/837
| [   33.897782][  T837] Modules linked in: xfrm_user nf_tables
| [   33.898183][  T837] Tainted: [W]=WARN
[   33.898371][  T837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.898537][  T837] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.898711][  T837] 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
[   33.899272][  T837] RSP: 0018:ffa0000001027a78 EFLAGS: 00010286
[   33.899435][  T837] RAX: 00000000ffffffa6 RBX: ff1100000d0a1380 RCX: 1ff4000000204f15
[   33.899743][  T837] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0a143c
[   33.899938][  T837] RBP: ff11000012be1000 R08: 1fe2200001a14289 R09: ff1100000a8ed180
[   33.900224][  T837] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   33.900418][  T837] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012be1000
[   33.900615][  T837] FS:  00007fc8a0c3f840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   33.900850][  T837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.901013][  T837] CR2: 000055d3d5b6bd5c CR3: 000000000e457006 CR4: 0000000000771ef0
[   33.901215][  T837] PKRU: 55555554
[   33.901397][  T837] Call Trace:
[   33.901495][  T837]  <TASK>
[   33.901565][  T837]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.901698][  T837]  ? notifier_call_chain (kernel/notifier.c:85)
[   33.901830][  T837]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.902014][  T837]  register_netdevice (net/core/dev.c:11488)
[   33.902151][  T837]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   33.902312][  T837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.902444][  T837]  register_netdev (net/core/dev.c:11552)
[   33.902666][  T837]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   33.902798][  T837]  ops_init (net/core/net_namespace.c:137)
[   33.902899][  T837]  setup_net (net/core/net_namespace.c:446)
[   33.902998][  T837]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   33.903218][  T837]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   33.903348][  T837]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   33.903480][  T837]  copy_net_ns (net/core/net_namespace.c:579)
[   33.903613][  T837]  create_new_namespaces (kernel/nsproxy.c:132)
[   33.903752][  T837]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   33.903885][  T837]  ksys_unshare (kernel/fork.c:3243)
[   33.904014][  T837]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   33.904150][  T837]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   33.904365][  T837]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   33.904497][  T837]  ? __ia32_sys_open (fs/open.c:1374)
[   33.904632][  T837]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   33.904766][  T837]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   33.904982][  T837]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.905118][  T837]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.905248][  T837]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.905377][  T837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.905627][  T837] RIP: 0033:0x7fc8a0f01bcb
[   33.905765][  T837] 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
[   33.906324][  T837] RSP: 002b:00007ffe76c75018 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   33.906522][  T837] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc8a0f01bcb
[   33.906722][  T837] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   33.906916][  T837] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   33.907114][  T837] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe76c77240
[   33.907396][  T837] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe76c77887
| [   33.941101][  T838] ------------[ cut here ]------------
| [   33.941280][  T838] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/838
| [   33.941562][  T838] Modules linked in: xfrm_user nf_tables
| [   33.942634][  T838] Tainted: [W]=WARN
[   33.942792][  T838] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   33.943000][  T838] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   33.943220][  T838] 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
[   33.943738][  T838] RSP: 0018:ffa0000001037020 EFLAGS: 00010286
[   33.943945][  T838] RAX: 00000000ffffffa6 RBX: ff1100000d0a1c40 RCX: 1ff4000000206dca
[   33.944192][  T838] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0a1cfc
[   33.944432][  T838] RBP: ff110000087e9000 R08: 1fe2200001a143a1 R09: ff11000008fbd158
[   33.944691][  T838] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   33.944928][  T838] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   33.945177][  T838] FS:  00007fa87214f840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   33.945449][  T838] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   33.945679][  T838] CR2: 0000000008f98988 CR3: 0000000004c4c001 CR4: 0000000000771ef0
[   33.945920][  T838] PKRU: 55555554
[   33.946063][  T838] Call Trace:
[   33.946216][  T838]  <TASK>
[   33.946331][  T838]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   33.946520][  T838]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   33.946682][  T838]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   33.946857][  T838]  __dev_notify_flags (net/core/dev.c:9787)
[   33.947036][  T838]  ? netif_change_name (net/core/dev.c:1495)
[   33.947216][  T838]  ? __dev_change_flags (net/core/dev.c:9752)
[   33.947392][  T838]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   33.947576][  T838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.947770][  T838]  ? 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))
[   33.947949][  T838]  netif_change_flags (net/core/dev.c:9820)
[   33.948134][  T838]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   33.948310][  T838]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   33.948489][  T838]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   33.948685][  T838]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   33.948893][  T838]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   33.949072][  T838]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.949254][  T838]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   33.949430][  T838]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.949614][  T838]  ? __kernel_text_address (kernel/extable.c:79)
[   33.949801][  T838]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.949979][  T838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.950167][  T838]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   33.950348][  T838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.950530][  T838]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   33.950717][  T838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.950892][  T838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.951069][  T838]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   33.951253][  T838]  ? __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)
[   33.951429][  T838]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   33.951617][  T838]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   33.951805][  T838]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   33.951985][  T838]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   33.952173][  T838]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   33.952357][  T838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.952537][  T838]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.952729][  T838]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.952904][  T838]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   33.953083][  T838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.953268][  T838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.953442][  T838]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.953626][  T838]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.953814][  T838]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   33.953991][  T838]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   33.954177][  T838]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   33.954355][  T838]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.954538][  T838]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.954726][  T838]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.954905][  T838]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   33.955079][  T838]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   33.955264][  T838]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   33.955439][  T838]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   33.955624][  T838]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   33.955816][  T838]  ? 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))
[   33.955995][  T838]  ? 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))
[   33.956183][  T838]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   33.956363][  T838]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   33.956546][  T838]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   33.956736][  T838]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   33.956914][  T838]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   33.957090][  T838]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   33.957281][  T838]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   33.957458][  T838]  ? copy_msghdr_from_user (net/socket.c:2635)
[   33.957642][  T838]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   33.957860][  T838]  ? move_addr_to_kernel (net/socket.c:258)
[   33.958037][  T838]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   33.958217][  T838]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   33.958396][  T838]  ___sys_sendmsg (net/socket.c:2752)
[   33.958582][  T838]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   33.958801][  T838]  ? copy_msghdr_from_user (net/socket.c:2603)
[   33.958989][  T838]  __sys_sendmsg (net/socket.c:2784)
[   33.959177][  T838]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   33.959353][  T838]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   33.959576][  T838]  ? 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)
[   33.959766][  T838]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   33.959947][  T838]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   33.960131][  T838]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   33.960306][  T838]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   33.960483][  T838]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   33.960704][  T838] RIP: 0033:0x7fa87238908e
[   33.960888][  T838] 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
[   33.961402][  T838] RSP: 002b:00007ffd82645100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   33.961665][  T838] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa87238908e
[   33.961903][  T838] RDX: 0000000000000000 RSI: 00007ffd826451b0 RDI: 0000000000000005
[   33.962150][  T838] RBP: 00007ffd82645110 R08: 0000000000000000 R09: 0000000000000000
[   33.962392][  T838] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84c
[   33.962640][  T838] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd82645880
| [   34.086166][  T842] ------------[ cut here ]------------
| [   34.086352][  T842] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/842
| [   34.086635][  T842] Modules linked in: xfrm_user nf_tables
| [   34.087147][  T842] Tainted: [W]=WARN
[   34.087293][  T842] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.087503][  T842] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.087739][  T842] 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
[   34.088251][  T842] RSP: 0018:ffa0000001077a80 EFLAGS: 00010286
[   34.088463][  T842] RAX: 00000000ffffffa6 RBX: ff11000004f6b1c0 RCX: 1ff400000020ef16
[   34.088722][  T842] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004f6b27c
[   34.088962][  T842] RBP: ff11000010279000 R08: 1fe22000009ed651 R09: ff1100000fa70b80
[   34.089214][  T842] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   34.089454][  T842] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010279000
[   34.089715][  T842] FS:  00007f3fc8e85840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   34.089991][  T842] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.090221][  T842] CR2: 00007f3fc9091690 CR3: 000000000930a001 CR4: 0000000000771ef0
[   34.090460][  T842] PKRU: 55555554
[   34.090612][  T842] Call Trace:
[   34.090768][  T842]  <TASK>
[   34.090883][  T842]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.091059][  T842]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.091249][  T842]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.091396][  T842]  register_netdevice (net/core/dev.c:11488)
[   34.091584][  T842]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.091803][  T842]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   34.091982][  T842]  register_netdev (net/core/dev.c:11552)
[   34.092169][  T842]  loopback_net_init (drivers/net/loopback.c:218)
[   34.092348][  T842]  ops_init (net/core/net_namespace.c:137)
[   34.092497][  T842]  setup_net (net/core/net_namespace.c:446)
[   34.092664][  T842]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.092840][  T842]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.093019][  T842]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.093208][  T842]  copy_net_ns (net/core/net_namespace.c:579)
[   34.093385][  T842]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.093574][  T842]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.093765][  T842]  ksys_unshare (kernel/fork.c:3243)
[   34.093942][  T842]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.094125][  T842]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.094302][  T842]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.094479][  T842]  ? __ia32_sys_open (fs/open.c:1374)
[   34.094674][  T842]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.094853][  T842]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.095031][  T842]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.095217][  T842]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.095393][  T842]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.095582][  T842]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.095800][  T842] RIP: 0033:0x7f3fc9147bcb
[   34.095984][  T842] 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
[   34.096506][  T842] RSP: 002b:00007ffc58dfa0f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   34.096766][  T842] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3fc9147bcb
[   34.097006][  T842] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.097249][  T842] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.097488][  T842] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc58dfc320
[   34.097749][  T842] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc58dfc887
| [   34.102436][  T842] ------------[ cut here ]------------
| [   34.102612][  T842] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/842
| [   34.102895][  T842] Modules linked in: xfrm_user nf_tables
| [   34.103386][  T842] Tainted: [W]=WARN
[   34.103533][  T842] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.103754][  T842] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.103973][  T842] 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
[   34.104484][  T842] RSP: 0018:ffa0000001077918 EFLAGS: 00010286
[   34.104712][  T842] RAX: 00000000ffffffa6 RBX: ff1100000e418ac0 RCX: 1ff400000020eee9
[   34.104955][  T842] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e418b7c
[   34.105203][  T842] RBP: ff1100000a8dc000 R08: 1fe2200001c83171 R09: ff1100000fa70b80
[   34.105442][  T842] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   34.105701][  T842] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a8dc000
[   34.105942][  T842] FS:  00007f3fc8e85840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   34.106221][  T842] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.106431][  T842] CR2: 00007f3fc9091690 CR3: 000000000930a001 CR4: 0000000000771ef0
[   34.106693][  T842] PKRU: 55555554
[   34.106837][  T842] Call Trace:
[   34.106980][  T842]  <TASK>
[   34.107093][  T842]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.107281][  T842]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.107458][  T842]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.107613][  T842]  register_netdevice (net/core/dev.c:11488)
[   34.107803][  T842]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.108009][  T842]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   34.108195][  T842]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   34.108375][  T842]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   34.108565][  T842]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   34.108756][  T842]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   34.108934][  T842]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   34.109120][  T842]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   34.109298][  T842]  ops_init (net/core/net_namespace.c:137)
[   34.109445][  T842]  setup_net (net/core/net_namespace.c:446)
[   34.109598][  T842]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.109785][  T842]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.109967][  T842]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.110153][  T842]  copy_net_ns (net/core/net_namespace.c:579)
[   34.110332][  T842]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.110516][  T842]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.110704][  T842]  ksys_unshare (kernel/fork.c:3243)
[   34.110880][  T842]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.111059][  T842]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.111243][  T842]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.111419][  T842]  ? __ia32_sys_open (fs/open.c:1374)
[   34.111607][  T842]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.111795][  T842]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.111970][  T842]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.112155][  T842]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.112331][  T842]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.112513][  T842]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.112734][  T842] RIP: 0033:0x7f3fc9147bcb
[   34.112917][  T842] 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
[   34.113428][  T842] RSP: 002b:00007ffc58dfa0f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   34.113691][  T842] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3fc9147bcb
[   34.113927][  T842] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.114172][  T842] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.114410][  T842] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc58dfc320
[   34.114670][  T842] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc58dfc887
| [   34.118882][  T842] ------------[ cut here ]------------
| [   34.119058][  T842] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/842
| [   34.119341][  T842] Modules linked in: xfrm_user nf_tables
| [   34.119852][  T842] Tainted: [W]=WARN
[   34.119998][  T842] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.120219][  T842] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.120438][  T842] 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
[   34.120964][  T842] RSP: 0018:ffa00000010778f8 EFLAGS: 00010286
[   34.121186][  T842] RAX: 00000000ffffffa6 RBX: ff1100000e419a80 RCX: 1ff400000020eee5
[   34.121430][  T842] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e419b3c
[   34.121689][  T842] RBP: ff110000057f1000 R08: 1fe2200001c83369 R09: ff1100000fa70b80
[   34.121932][  T842] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   34.122183][  T842] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000057f1000
[   34.122429][  T842] FS:  00007f3fc8e85840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   34.122724][  T842] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.122934][  T842] CR2: 00007f3fc9091690 CR3: 000000000930a001 CR4: 0000000000771ef0
[   34.123187][  T842] PKRU: 55555554
[   34.123333][  T842] Call Trace:
[   34.123477][  T842]  <TASK>
[   34.123596][  T842]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.123791][  T842]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.123970][  T842]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.124123][  T842]  register_netdevice (net/core/dev.c:11488)
[   34.124306][  T842]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.124518][  T842]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   34.124710][  T842]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   34.124890][  T842]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   34.125070][  T842]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   34.125256][  T842]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   34.125437][  T842]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   34.125623][  T842]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   34.125816][  T842]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   34.125997][  T842]  vti_init_net (net/ipv4/ip_vti.c:517)
[   34.126185][  T842]  ops_init (net/core/net_namespace.c:137)
[   34.126336][  T842]  setup_net (net/core/net_namespace.c:446)
[   34.126488][  T842]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.126686][  T842]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.126866][  T842]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.127046][  T842]  copy_net_ns (net/core/net_namespace.c:579)
[   34.127237][  T842]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.127418][  T842]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.127611][  T842]  ksys_unshare (kernel/fork.c:3243)
[   34.127803][  T842]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.127982][  T842]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.128169][  T842]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.128349][  T842]  ? __ia32_sys_open (fs/open.c:1374)
[   34.128533][  T842]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.128725][  T842]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.128902][  T842]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.129088][  T842]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.129275][  T842]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.129454][  T842]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.129685][  T842] RIP: 0033:0x7f3fc9147bcb
[   34.129869][  T842] 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
[   34.130388][  T842] RSP: 002b:00007ffc58dfa0f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   34.130640][  T842] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3fc9147bcb
[   34.130894][  T842] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.131141][  T842] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.131386][  T842] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc58dfc320
[   34.131636][  T842] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc58dfc887
| [   34.136129][  T842] ------------[ cut here ]------------
| [   34.136305][  T842] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/842
| [   34.136581][  T842] Modules linked in: xfrm_user nf_tables
| [   34.137083][  T842] Tainted: [W]=WARN
[   34.137237][  T842] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.137444][  T842] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.137682][  T842] 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
[   34.138199][  T842] RSP: 0018:ffa0000001077a78 EFLAGS: 00010286
[   34.138407][  T842] RAX: 00000000ffffffa6 RBX: ff1100000e5aa3c0 RCX: 1ff400000020ef15
[   34.138666][  T842] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5aa47c
[   34.138905][  T842] RBP: ff110000058cc000 R08: 1fe2200001cb5491 R09: ff1100000fa70b80
[   34.139150][  T842] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   34.139393][  T842] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058cc000
[   34.139644][  T842] FS:  00007f3fc8e85840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   34.139928][  T842] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.140145][  T842] CR2: 00007f3fc9091690 CR3: 000000000930a001 CR4: 0000000000771ef0
[   34.140388][  T842] PKRU: 55555554
[   34.140533][  T842] Call Trace:
[   34.140689][  T842]  <TASK>
[   34.140802][  T842]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.140979][  T842]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.141163][  T842]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.141314][  T842]  register_netdevice (net/core/dev.c:11488)
[   34.141492][  T842]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.141724][  T842]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.141905][  T842]  register_netdev (net/core/dev.c:11552)
[   34.142084][  T842]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   34.142273][  T842]  ops_init (net/core/net_namespace.c:137)
[   34.142422][  T842]  setup_net (net/core/net_namespace.c:446)
[   34.142577][  T842]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.142765][  T842]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.142944][  T842]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.143130][  T842]  copy_net_ns (net/core/net_namespace.c:579)
[   34.143309][  T842]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.143487][  T842]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.143683][  T842]  ksys_unshare (kernel/fork.c:3243)
[   34.143859][  T842]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.144036][  T842]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.144221][  T842]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.144400][  T842]  ? __ia32_sys_open (fs/open.c:1374)
[   34.144587][  T842]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.144776][  T842]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.144951][  T842]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.145134][  T842]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.145310][  T842]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.145489][  T842]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.145719][  T842] RIP: 0033:0x7f3fc9147bcb
[   34.145902][  T842] 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
[   34.146410][  T842] RSP: 002b:00007ffc58dfa0f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   34.146672][  T842] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3fc9147bcb
[   34.146910][  T842] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.147154][  T842] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.147395][  T842] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc58dfc320
[   34.147642][  T842] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc58dfc887
| [   34.152119][  T842] ------------[ cut here ]------------
| [   34.152297][  T842] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/842
| [   34.152579][  T842] Modules linked in: xfrm_user nf_tables
| [   34.153080][  T842] Tainted: [W]=WARN
[   34.153232][  T842] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.153440][  T842] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.153768][  T842] 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
[   34.154378][  T842] RSP: 0018:ffa0000001077a68 EFLAGS: 00010286
[   34.154596][  T842] RAX: 00000000ffffffa6 RBX: ff1100000b59d700 RCX: 1ff400000020ef13
[   34.154848][  T842] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b59d7bc
[   34.155185][  T842] RBP: ff1100000e4cc000 R08: 1fe22000016b3af9 R09: ff1100000fa70b80
[   34.155424][  T842] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   34.155685][  T842] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e4cc000
[   34.156013][  T842] FS:  00007f3fc8e85840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   34.156301][  T842] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.156608][  T842] CR2: 00007f3fc9091690 CR3: 000000000930a001 CR4: 0000000000771ef0
[   34.156863][  T842] PKRU: 55555554
[   34.157007][  T842] Call Trace:
[   34.157156][  T842]  <TASK>
[   34.157272][  T842]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.157547][  T842]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.157737][  T842]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.157885][  T842]  register_netdevice (net/core/dev.c:11488)
[   34.158063][  T842]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.158368][  T842]  register_netdev (net/core/dev.c:11552)
[   34.158554][  T842]  sit_init_net (net/ipv6/sit.c:1860)
[   34.158745][  T842]  ops_init (net/core/net_namespace.c:137)
[   34.158891][  T842]  setup_net (net/core/net_namespace.c:446)
[   34.159131][  T842]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.159308][  T842]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.159484][  T842]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.159681][  T842]  copy_net_ns (net/core/net_namespace.c:579)
[   34.159943][  T842]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.160128][  T842]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.160308][  T842]  ksys_unshare (kernel/fork.c:3243)
[   34.160486][  T842]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.160766][  T842]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.160944][  T842]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.161128][  T842]  ? __ia32_sys_open (fs/open.c:1374)
[   34.161306][  T842]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.161576][  T842]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.161765][  T842]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.161944][  T842]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.162127][  T842]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.162389][  T842]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.162606][  T842] RIP: 0033:0x7f3fc9147bcb
[   34.162800][  T842] 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
[   34.163407][  T842] RSP: 002b:00007ffc58dfa0f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   34.163669][  T842] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3fc9147bcb
[   34.163997][  T842] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.164246][  T842] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.164487][  T842] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc58dfc320
[   34.164830][  T842] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc58dfc887
| [   34.170469][  T842] ------------[ cut here ]------------
| [   34.170652][  T842] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/842
| [   34.171020][  T842] Modules linked in: xfrm_user nf_tables
| [   34.171526][  T842] Tainted: [W]=WARN
[   34.171775][  T842] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.171983][  T842] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.172209][  T842] 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
[   34.172825][  T842] RSP: 0018:ffa0000001077a78 EFLAGS: 00010286
[   34.173040][  T842] RAX: 00000000ffffffa6 RBX: ff11000010af1000 RCX: 1ff400000020ef15
[   34.173379][  T842] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010af10bc
[   34.173627][  T842] RBP: ff1100000e849000 R08: 1fe220000215e219 R09: ff1100000fa70b80
[   34.173963][  T842] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   34.174214][  T842] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e849000
[   34.174454][  T842] FS:  00007f3fc8e85840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   34.174835][  T842] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.175044][  T842] CR2: 00007f3fc9091690 CR3: 000000000930a001 CR4: 0000000000771ef0
[   34.175296][  T842] PKRU: 55555554
[   34.175532][  T842] Call Trace:
[   34.175689][  T842]  <TASK>
[   34.175805][  T842]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.175984][  T842]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.176170][  T842]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.176404][  T842]  register_netdevice (net/core/dev.c:11488)
[   34.176595][  T842]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.176819][  T842]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.177003][  T842]  register_netdev (net/core/dev.c:11552)
[   34.177275][  T842]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   34.177454][  T842]  ops_init (net/core/net_namespace.c:137)
[   34.177609][  T842]  setup_net (net/core/net_namespace.c:446)
[   34.177770][  T842]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.178032][  T842]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.178219][  T842]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.178402][  T842]  copy_net_ns (net/core/net_namespace.c:579)
[   34.178588][  T842]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.178866][  T842]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.179044][  T842]  ksys_unshare (kernel/fork.c:3243)
[   34.179229][  T842]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.179409][  T842]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.179690][  T842]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.179872][  T842]  ? __ia32_sys_open (fs/open.c:1374)
[   34.180050][  T842]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.180234][  T842]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.180497][  T842]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.180694][  T842]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.180872][  T842]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.181050][  T842]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.181352][  T842] RIP: 0033:0x7f3fc9147bcb
[   34.181545][  T842] 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
[   34.182155][  T842] RSP: 002b:00007ffc58dfa0f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   34.182400][  T842] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f3fc9147bcb
[   34.182663][  T842] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.182903][  T842] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.183150][  T842] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc58dfc320
[   34.183476][  T842] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc58dfc887
| [   34.214734][  T843] ------------[ cut here ]------------
| [   34.214881][  T843] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/843
| [   34.215116][  T843] Modules linked in: xfrm_user nf_tables
| [   34.215521][  T843] Tainted: [W]=WARN
[   34.215619][  T843] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.215787][  T843] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.215962][  T843] 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
[   34.216432][  T843] RSP: 0018:ffa0000001087020 EFLAGS: 00010286
[   34.216600][  T843] RAX: 00000000ffffffa6 RBX: ff1100001243f540 RCX: 1ff4000000210dca
[   34.216800][  T843] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243f5fc
[   34.216993][  T843] RBP: ff11000010279000 R08: 1fe2200002487ec1 R09: ff11000014cdd158
[   34.217193][  T843] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   34.217386][  T843] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   34.217583][  T843] FS:  00007f6f2d09f840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   34.217815][  T843] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.217979][  T843] CR2: 000000000e1f7988 CR3: 0000000012975004 CR4: 0000000000771ef0
[   34.218181][  T843] PKRU: 55555554
[   34.218280][  T843] Call Trace:
[   34.218376][  T843]  <TASK>
[   34.218443][  T843]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.218579][  T843]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.218684][  T843]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   34.218815][  T843]  __dev_notify_flags (net/core/dev.c:9787)
[   34.218946][  T843]  ? netif_change_name (net/core/dev.c:1495)
[   34.219077][  T843]  ? __dev_change_flags (net/core/dev.c:9752)
[   34.219212][  T843]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   34.219342][  T843]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.219472][  T843]  ? 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))
[   34.219608][  T843]  netif_change_flags (net/core/dev.c:9820)
[   34.219749][  T843]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   34.219881][  T843]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   34.220012][  T843]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   34.220151][  T843]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   34.220313][  T843]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.220442][  T843]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.220577][  T843]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   34.220712][  T843]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.220842][  T843]  ? __kernel_text_address (kernel/extable.c:79)
[   34.220972][  T843]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.221104][  T843]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.221240][  T843]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.221371][  T843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.221507][  T843]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.221636][  T843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.221851][  T843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.221982][  T843]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   34.222117][  T843]  ? __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)
[   34.222248][  T843]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   34.222380][  T843]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.222515][  T843]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   34.222649][  T843]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   34.222857][  T843]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   34.222989][  T843]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.223121][  T843]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.223251][  T843]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.223381][  T843]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.223514][  T843]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.223646][  T843]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.223874][  T843]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.224079][  T843]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.224215][  T843]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.224346][  T843]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.224475][  T843]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.224609][  T843]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.224805][  T843]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.224936][  T843]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.225071][  T843]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.225204][  T843]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.225335][  T843]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.225465][  T843]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.225599][  T843]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.225787][  T843]  ? 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))
[   34.225917][  T843]  ? 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))
[   34.226052][  T843]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.226187][  T843]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.226318][  T843]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.226448][  T843]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.226581][  T843]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.226766][  T843]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.226900][  T843]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.227031][  T843]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.227167][  T843]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.227326][  T843]  ? move_addr_to_kernel (net/socket.c:258)
[   34.227457][  T843]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.227593][  T843]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.227780][  T843]  ___sys_sendmsg (net/socket.c:2752)
[   34.227910][  T843]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   34.228071][  T843]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.228221][  T843]  __sys_sendmsg (net/socket.c:2784)
[   34.228352][  T843]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.228481][  T843]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   34.228646][  T843]  ? 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)
[   34.228831][  T843]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.228961][  T843]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.229089][  T843]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.229224][  T843]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.229353][  T843]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.229516][  T843] RIP: 0033:0x7f6f2d2d908e
[   34.229669][  T843] 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
[   34.230136][  T843] RSP: 002b:00007ffe0eae0fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.230331][  T843] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6f2d2d908e
[   34.230528][  T843] RDX: 0000000000000000 RSI: 00007ffe0eae1060 RDI: 0000000000000005
[   34.230728][  T843] RBP: 00007ffe0eae0fc0 R08: 0000000000000000 R09: 0000000000000000
[   34.230922][  T843] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84c
[   34.231121][  T843] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0eae1730
| [   34.345168][  T847] ------------[ cut here ]------------
| [   34.345318][  T847] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/847
| [   34.345549][  T847] Modules linked in: xfrm_user nf_tables
| [   34.346535][  T847] Tainted: [W]=WARN
[   34.346634][  T847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.346867][  T847] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.347037][  T847] 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
[   34.347509][  T847] RSP: 0018:ffa00000010c7a80 EFLAGS: 00010286
[   34.347728][  T847] RAX: 00000000ffffffa6 RBX: ff11000005b5c900 RCX: 1ff4000000218f16
[   34.347921][  T847] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005b5c9bc
[   34.348121][  T847] RBP: ff1100000eb9c000 R08: 1fe2200000b6b939 R09: ff1100000fb3ae80
[   34.348315][  T847] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   34.348514][  T847] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eb9c000
[   34.348766][  T847] FS:  00007ff5ac58c840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   34.348996][  T847] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.349167][  T847] CR2: 00007ff5ac78dc20 CR3: 00000000092c7004 CR4: 0000000000771ef0
[   34.349360][  T847] PKRU: 55555554
[   34.349456][  T847] Call Trace:
[   34.349558][  T847]  <TASK>
[   34.349626][  T847]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.349777][  T847]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.349907][  T847]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.350007][  T847]  register_netdevice (net/core/dev.c:11488)
[   34.350145][  T847]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.350306][  T847]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   34.350436][  T847]  register_netdev (net/core/dev.c:11552)
[   34.350571][  T847]  loopback_net_init (drivers/net/loopback.c:218)
[   34.350707][  T847]  ops_init (net/core/net_namespace.c:137)
[   34.350807][  T847]  setup_net (net/core/net_namespace.c:446)
[   34.350907][  T847]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.351036][  T847]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.351172][  T847]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.351304][  T847]  copy_net_ns (net/core/net_namespace.c:579)
[   34.351433][  T847]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.351570][  T847]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.351706][  T847]  ksys_unshare (kernel/fork.c:3243)
[   34.351835][  T847]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.351965][  T847]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.352093][  T847]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.352229][  T847]  ? __ia32_sys_open (fs/open.c:1374)
[   34.352360][  T847]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.352492][  T847]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.352623][  T847]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.352757][  T847]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.352886][  T847]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.353016][  T847]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.353181][  T847] RIP: 0033:0x7ff5ac84ebcb
[   34.353316][  T847] 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
[   34.353781][  T847] RSP: 002b:00007ffc32a151c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   34.353979][  T847] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff5ac84ebcb
[   34.354195][  T847] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.354388][  T847] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.354581][  T847] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc32a173f0
[   34.354779][  T847] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc32a17887
| [   34.359017][  T847] ------------[ cut here ]------------
| [   34.359161][  T847] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/847
| [   34.359384][  T847] Modules linked in: xfrm_user nf_tables
| [   34.359787][  T847] Tainted: [W]=WARN
[   34.359885][  T847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.360048][  T847] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.360222][  T847] 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
[   34.360686][  T847] RSP: 0018:ffa00000010c7918 EFLAGS: 00010286
[   34.360848][  T847] RAX: 00000000ffffffa6 RBX: ff110000101b0900 RCX: 1ff4000000218ee9
[   34.361042][  T847] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b09bc
[   34.361240][  T847] RBP: ff11000009034000 R08: 1fe2200002036139 R09: ff1100000fb3ae80
[   34.361432][  T847] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   34.361626][  T847] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009034000
[   34.361827][  T847] FS:  00007ff5ac58c840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   34.362052][  T847] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.362219][  T847] CR2: 00007ff5ac78dc20 CR3: 00000000092c7004 CR4: 0000000000771ef0
[   34.362415][  T847] PKRU: 55555554
[   34.362514][  T847] Call Trace:
[   34.362613][  T847]  <TASK>
[   34.362684][  T847]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.362814][  T847]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.362945][  T847]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.363044][  T847]  register_netdevice (net/core/dev.c:11488)
[   34.363180][  T847]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.363340][  T847]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   34.363473][  T847]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   34.363607][  T847]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   34.363742][  T847]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   34.363872][  T847]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   34.364002][  T847]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   34.364139][  T847]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   34.364269][  T847]  ops_init (net/core/net_namespace.c:137)
[   34.364369][  T847]  setup_net (net/core/net_namespace.c:446)
[   34.364468][  T847]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.364600][  T847]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.364732][  T847]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.364863][  T847]  copy_net_ns (net/core/net_namespace.c:579)
[   34.364992][  T847]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.365126][  T847]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.365256][  T847]  ksys_unshare (kernel/fork.c:3243)
[   34.365385][  T847]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.365516][  T847]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.365646][  T847]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.366277][  T847]  ? __ia32_sys_open (fs/open.c:1374)
[   34.366410][  T847]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.366541][  T847]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.366723][  T847]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.366853][  T847]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.366983][  T847]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.367117][  T847]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.367278][  T847] RIP: 0033:0x7ff5ac84ebcb
[   34.367413][  T847] 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
[   34.367931][  T847] RSP: 002b:00007ffc32a151c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   34.368132][  T847] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff5ac84ebcb
[   34.368324][  T847] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.368572][  T847] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.368821][  T847] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc32a173f0
[   34.369015][  T847] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc32a17887
| [   34.377864][  T847] ------------[ cut here ]------------
| [   34.378016][  T847] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/847
| [   34.378255][  T847] Modules linked in: xfrm_user nf_tables
| [   34.378671][  T847] Tainted: [W]=WARN
[   34.378773][  T847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.378940][  T847] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.379120][  T847] 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
[   34.379596][  T847] RSP: 0018:ffa00000010c78f8 EFLAGS: 00010286
[   34.379770][  T847] RAX: 00000000ffffffa6 RBX: ff1100000b8d8ac0 RCX: 1ff4000000218ee5
[   34.379968][  T847] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8d8b7c
[   34.380173][  T847] RBP: ff11000014df4000 R08: 1fe220000171b171 R09: ff1100000fb3ae80
[   34.380369][  T847] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   34.380576][  T847] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014df4000
[   34.380781][  T847] FS:  00007ff5ac58c840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   34.381012][  T847] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.381185][  T847] CR2: 000055d3d5b6bd5c CR3: 00000000092c7001 CR4: 0000000000771ef0
[   34.381384][  T847] PKRU: 55555554
[   34.381484][  T847] Call Trace:
[   34.381585][  T847]  <TASK>
[   34.381659][  T847]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.381792][  T847]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.381925][  T847]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.382027][  T847]  register_netdevice (net/core/dev.c:11488)
[   34.382168][  T847]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.382334][  T847]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   34.382469][  T847]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   34.382605][  T847]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   34.382742][  T847]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   34.382876][  T847]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   34.383007][  T847]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   34.383147][  T847]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   34.383281][  T847]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   34.383416][  T847]  vti_init_net (net/ipv4/ip_vti.c:517)
[   34.383551][  T847]  ops_init (net/core/net_namespace.c:137)
[   34.383659][  T847]  setup_net (net/core/net_namespace.c:446)
[   34.383759][  T847]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.383892][  T847]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.384024][  T847]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.384164][  T847]  copy_net_ns (net/core/net_namespace.c:579)
[   34.384297][  T847]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.384433][  T847]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.384569][  T847]  ksys_unshare (kernel/fork.c:3243)
[   34.384706][  T847]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.384839][  T847]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.384971][  T847]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.385103][  T847]  ? __ia32_sys_open (fs/open.c:1374)
[   34.385242][  T847]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.385377][  T847]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.385512][  T847]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.385643][  T847]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.385780][  T847]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.385913][  T847]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.386076][  T847] RIP: 0033:0x7ff5ac84ebcb
[   34.386221][  T847] 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
[   34.386700][  T847] RSP: 002b:00007ffc32a151c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   34.386899][  T847] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff5ac84ebcb
[   34.387096][  T847] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.387298][  T847] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.387495][  T847] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc32a173f0
[   34.387700][  T847] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc32a17887
| [   34.391775][  T847] ------------[ cut here ]------------
| [   34.391912][  T847] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/847
| [   34.392143][  T847] Modules linked in: xfrm_user nf_tables
| [   34.392544][  T847] Tainted: [W]=WARN
[   34.392643][  T847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.392812][  T847] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.392983][  T847] 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
[   34.393449][  T847] RSP: 0018:ffa00000010c7a78 EFLAGS: 00010286
[   34.393616][  T847] RAX: 00000000ffffffa6 RBX: ff1100000d68f700 RCX: 1ff4000000218f15
[   34.393817][  T847] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68f7bc
[   34.394012][  T847] RBP: ff1100000f019000 R08: 1fe2200001ad1ef9 R09: ff1100000fb3ae80
[   34.394213][  T847] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   34.394407][  T847] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f019000
[   34.394607][  T847] FS:  00007ff5ac58c840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   34.394842][  T847] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.395008][  T847] CR2: 000055d3d5b6bd5c CR3: 00000000092c7001 CR4: 0000000000771ef0
[   34.395209][  T847] PKRU: 55555554
[   34.395309][  T847] Call Trace:
[   34.395406][  T847]  <TASK>
[   34.395473][  T847]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.395607][  T847]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.395744][  T847]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.395846][  T847]  register_netdevice (net/core/dev.c:11488)
[   34.395977][  T847]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.396143][  T847]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.396274][  T847]  register_netdev (net/core/dev.c:11552)
[   34.396403][  T847]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   34.396537][  T847]  ops_init (net/core/net_namespace.c:137)
[   34.396636][  T847]  setup_net (net/core/net_namespace.c:446)
[   34.396741][  T847]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.396873][  T847]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.397004][  T847]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.397140][  T847]  copy_net_ns (net/core/net_namespace.c:579)
[   34.397272][  T847]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.397404][  T847]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.397538][  T847]  ksys_unshare (kernel/fork.c:3243)
[   34.397675][  T847]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.397805][  T847]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.397935][  T847]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.398065][  T847]  ? __ia32_sys_open (fs/open.c:1374)
[   34.398202][  T847]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.398332][  T847]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.398460][  T847]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.398592][  T847]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.398730][  T847]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.398859][  T847]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.399021][  T847] RIP: 0033:0x7ff5ac84ebcb
[   34.399162][  T847] 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
[   34.399629][  T847] RSP: 002b:00007ffc32a151c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   34.399828][  T847] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff5ac84ebcb
[   34.400023][  T847] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.400219][  T847] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.400409][  T847] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc32a173f0
[   34.400606][  T847] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc32a17887
| [   34.410451][  T847] ------------[ cut here ]------------
| [   34.410596][  T847] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/847
| [   34.410828][  T847] Modules linked in: xfrm_user nf_tables
| [   34.411228][  T847] Tainted: [W]=WARN
[   34.411325][  T847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.411489][  T847] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.411667][  T847] 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
[   34.412131][  T847] RSP: 0018:ffa00000010c7a68 EFLAGS: 00010286
[   34.412295][  T847] RAX: 00000000ffffffa6 RBX: ff1100000c6cec80 RCX: 1ff4000000218f13
[   34.412488][  T847] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6ced3c
[   34.412692][  T847] RBP: ff1100000d274000 R08: 1fe22000018d9da9 R09: ff1100000fb3ae80
[   34.412884][  T847] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   34.413076][  T847] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d274000
[   34.413277][  T847] FS:  00007ff5ac58c840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   34.413509][  T847] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.413680][  T847] CR2: 000055d3d5b6bd5c CR3: 00000000092c7001 CR4: 0000000000771ef0
[   34.413878][  T847] PKRU: 55555554
[   34.413976][  T847] Call Trace:
[   34.414072][  T847]  <TASK>
[   34.414144][  T847]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.414276][  T847]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.414405][  T847]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.414508][  T847]  register_netdevice (net/core/dev.c:11488)
[   34.414639][  T847]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.414810][  T847]  register_netdev (net/core/dev.c:11552)
[   34.414941][  T847]  sit_init_net (net/ipv6/sit.c:1860)
[   34.415072][  T847]  ops_init (net/core/net_namespace.c:137)
[   34.415181][  T847]  setup_net (net/core/net_namespace.c:446)
[   34.415279][  T847]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.415409][  T847]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.415541][  T847]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.416194][  T847]  copy_net_ns (net/core/net_namespace.c:579)
[   34.416327][  T847]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.416459][  T847]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.416595][  T847]  ksys_unshare (kernel/fork.c:3243)
[   34.416779][  T847]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.416908][  T847]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.417036][  T847]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.417170][  T847]  ? __ia32_sys_open (fs/open.c:1374)
[   34.417301][  T847]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.417431][  T847]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.417565][  T847]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.417748][  T847]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.417877][  T847]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.418005][  T847]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.418171][  T847] RIP: 0033:0x7ff5ac84ebcb
[   34.418361][  T847] 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
[   34.418882][  T847] RSP: 002b:00007ffc32a151c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   34.419078][  T847] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff5ac84ebcb
[   34.419277][  T847] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.419472][  T847] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.419727][  T847] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc32a173f0
[   34.419921][  T847] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc32a17887
| [   34.424425][  T847] ------------[ cut here ]------------
| [   34.424570][  T847] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/847
| [   34.424805][  T847] Modules linked in: xfrm_user nf_tables
| [   34.425208][  T847] Tainted: [W]=WARN
[   34.425307][  T847] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.425470][  T847] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.425644][  T847] 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
[   34.426115][  T847] RSP: 0018:ffa00000010c7a78 EFLAGS: 00010286
[   34.426282][  T847] RAX: 00000000ffffffa6 RBX: ff11000005b5de00 RCX: 1ff4000000218f15
[   34.426475][  T847] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005b5debc
[   34.426677][  T847] RBP: ff11000012b7c000 R08: 1fe2200000b6bbd9 R09: ff1100000fb3ae80
[   34.426875][  T847] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   34.427068][  T847] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012b7c000
[   34.427535][  T847] FS:  00007ff5ac58c840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   34.427771][  T847] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.427935][  T847] CR2: 00007ff5ac78dc20 CR3: 00000000092c7004 CR4: 0000000000771ef0
[   34.428137][  T847] PKRU: 55555554
[   34.428234][  T847] Call Trace:
[   34.428330][  T847]  <TASK>
[   34.428398][  T847]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.428533][  T847]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.428667][  T847]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.428767][  T847]  register_netdevice (net/core/dev.c:11488)
[   34.428900][  T847]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.429064][  T847]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.429204][  T847]  register_netdev (net/core/dev.c:11552)
[   34.429335][  T847]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   34.429467][  T847]  ops_init (net/core/net_namespace.c:137)
[   34.429571][  T847]  setup_net (net/core/net_namespace.c:446)
[   34.429676][  T847]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.429807][  T847]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.429938][  T847]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.430071][  T847]  copy_net_ns (net/core/net_namespace.c:579)
[   34.430208][  T847]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.430340][  T847]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.430472][  T847]  ksys_unshare (kernel/fork.c:3243)
[   34.430606][  T847]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.430742][  T847]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.430873][  T847]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.431004][  T847]  ? __ia32_sys_open (fs/open.c:1374)
[   34.431142][  T847]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.431271][  T847]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.431401][  T847]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.431534][  T847]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.431667][  T847]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.431799][  T847]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.431960][  T847] RIP: 0033:0x7ff5ac84ebcb
[   34.432095][  T847] 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
[   34.432567][  T847] RSP: 002b:00007ffc32a151c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   34.432769][  T847] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ff5ac84ebcb
[   34.432962][  T847] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.433161][  T847] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.433354][  T847] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc32a173f0
[   34.433551][  T847] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc32a17887
| [   34.456388][  T848] ------------[ cut here ]------------
| [   34.456573][  T848] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/848
| [   34.456857][  T848] Modules linked in: xfrm_user nf_tables
| [   34.457372][  T848] Tainted: [W]=WARN
[   34.457522][  T848] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.458214][  T848] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.458428][  T848] 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
[   34.458954][  T848] RSP: 0018:ffa00000010d7020 EFLAGS: 00010286
[   34.459174][  T848] RAX: 00000000ffffffa6 RBX: ff11000010af0740 RCX: 1ff400000021adca
[   34.459414][  T848] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010af07fc
[   34.459676][  T848] RBP: ff1100000eb9c000 R08: 1fe220000215e101 R09: ff1100000e590b58
[   34.459914][  T848] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   34.460155][  T848] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   34.460395][  T848] FS:  00007ff0fc868840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   34.460691][  T848] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.460900][  T848] CR2: 0000000035eb2988 CR3: 000000000fbcf003 CR4: 0000000000771ef0
[   34.461150][  T848] PKRU: 55555554
[   34.461295][  T848] Call Trace:
[   34.461438][  T848]  <TASK>
[   34.461560][  T848]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.461752][  T848]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.461898][  T848]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   34.462078][  T848]  __dev_notify_flags (net/core/dev.c:9787)
[   34.462264][  T848]  ? netif_change_name (net/core/dev.c:1495)
[   34.462441][  T848]  ? __dev_change_flags (net/core/dev.c:9752)
[   34.462625][  T848]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   34.462814][  T848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.462992][  T848]  ? 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))
[   34.463185][  T848]  netif_change_flags (net/core/dev.c:9820)
[   34.463365][  T848]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   34.463547][  T848]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   34.463741][  T848]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   34.463920][  T848]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   34.464134][  T848]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.464312][  T848]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.464491][  T848]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   34.464688][  T848]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.464865][  T848]  ? __kernel_text_address (kernel/extable.c:79)
[   34.465043][  T848]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.465228][  T848]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.465408][  T848]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.465594][  T848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.465786][  T848]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.465960][  T848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.466143][  T848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.466321][  T848]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   34.466497][  T848]  ? __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)
[   34.466690][  T848]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   34.466868][  T848]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.467047][  T848]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   34.467239][  T848]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   34.467423][  T848]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   34.467612][  T848]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.467800][  T848]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.467977][  T848]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.468155][  T848]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.468333][  T848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.468517][  T848]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.468710][  T848]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.468888][  T848]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.469065][  T848]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.469250][  T848]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.469429][  T848]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.469615][  T848]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.469801][  T848]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.469981][  T848]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.470168][  T848]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.470343][  T848]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.470527][  T848]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.470719][  T848]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.470896][  T848]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.471075][  T848]  ? 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))
[   34.471256][  T848]  ? 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))
[   34.471439][  T848]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.471626][  T848]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.471816][  T848]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.471994][  T848]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.472181][  T848]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.472361][  T848]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.472547][  T848]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.472735][  T848]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.472914][  T848]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.473127][  T848]  ? move_addr_to_kernel (net/socket.c:258)
[   34.473305][  T848]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.473481][  T848]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.473679][  T848]  ___sys_sendmsg (net/socket.c:2752)
[   34.473854][  T848]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   34.474065][  T848]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.474263][  T848]  __sys_sendmsg (net/socket.c:2784)
[   34.474439][  T848]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.474621][  T848]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   34.474842][  T848]  ? 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)
[   34.475020][  T848]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.475210][  T848]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.475388][  T848]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.475575][  T848]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.475767][  T848]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.475974][  T848] RIP: 0033:0x7ff0fcaa208e
[   34.476167][  T848] 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
[   34.476693][  T848] RSP: 002b:00007fff3b0c6650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.476935][  T848] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff0fcaa208e
[   34.477181][  T848] RDX: 0000000000000000 RSI: 00007fff3b0c6700 RDI: 0000000000000005
[   34.477418][  T848] RBP: 00007fff3b0c6660 R08: 0000000000000000 R09: 0000000000000000
[   34.477680][  T848] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84c
[   34.477919][  T848] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff3b0c6dd0
| [   34.590265][  T852] ------------[ cut here ]------------
| [   34.590414][  T852] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/852
| [   34.590649][  T852] Modules linked in: xfrm_user nf_tables
| [   34.591057][  T852] Tainted: [W]=WARN
[   34.591161][  T852] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.591326][  T852] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.591497][  T852] 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
[   34.591968][  T852] RSP: 0018:ffa0000001117a80 EFLAGS: 00010286
[   34.592137][  T852] RAX: 00000000ffffffa6 RBX: ff1100000b8d9a80 RCX: 1ff4000000222f16
[   34.592331][  T852] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8d9b3c
[   34.592529][  T852] RBP: ff1100000e584000 R08: 1fe220000171b369 R09: ff1100000f3dae80
[   34.592727][  T852] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   34.592922][  T852] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e584000
[   34.593124][  T852] FS:  00007f8c79d75840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   34.593353][  T852] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.593519][  T852] CR2: 00007f8c79f81690 CR3: 000000000f95e006 CR4: 0000000000771ef0
[   34.593718][  T852] PKRU: 55555554
[   34.593817][  T852] Call Trace:
[   34.593914][  T852]  <TASK>
[   34.593982][  T852]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.594120][  T852]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.594253][  T852]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.594353][  T852]  register_netdevice (net/core/dev.c:11488)
[   34.594486][  T852]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.594659][  T852]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   34.594790][  T852]  register_netdev (net/core/dev.c:11552)
[   34.594920][  T852]  loopback_net_init (drivers/net/loopback.c:218)
[   34.595053][  T852]  ops_init (net/core/net_namespace.c:137)
[   34.595155][  T852]  setup_net (net/core/net_namespace.c:446)
[   34.595255][  T852]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.595384][  T852]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.595516][  T852]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.595649][  T852]  copy_net_ns (net/core/net_namespace.c:579)
[   34.595787][  T852]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.595920][  T852]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.596051][  T852]  ksys_unshare (kernel/fork.c:3243)
[   34.596187][  T852]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.596316][  T852]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.596448][  T852]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.596580][  T852]  ? __ia32_sys_open (fs/open.c:1374)
[   34.596716][  T852]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.596845][  T852]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.596975][  T852]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.597104][  T852]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.597241][  T852]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.597371][  T852]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.597537][  T852] RIP: 0033:0x7f8c7a037bcb
[   34.597677][  T852] 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
[   34.598145][  T852] RSP: 002b:00007ffc6164c6c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   34.598341][  T852] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8c7a037bcb
[   34.598540][  T852] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.598739][  T852] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.598931][  T852] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc6164e8f0
[   34.599131][  T852] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc6164f887
| [   34.603280][  T852] ------------[ cut here ]------------
| [   34.603416][  T852] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/852
| [   34.603643][  T852] Modules linked in: xfrm_user nf_tables
| [   34.604043][  T852] Tainted: [W]=WARN
[   34.604146][  T852] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.604309][  T852] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.604475][  T852] 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
[   34.604946][  T852] RSP: 0018:ffa0000001117918 EFLAGS: 00010286
[   34.605114][  T852] RAX: 00000000ffffffa6 RBX: ff11000010a031c0 RCX: 1ff4000000222ee9
[   34.605308][  T852] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010a0327c
[   34.605508][  T852] RBP: ff11000012af9000 R08: 1fe2200002140651 R09: ff1100000f3dae80
[   34.605705][  T852] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   34.605899][  T852] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012af9000
[   34.606093][  T852] FS:  00007f8c79d75840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   34.606325][  T852] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.606486][  T852] CR2: 00007f8c79f81690 CR3: 000000000f95e006 CR4: 0000000000771ef0
[   34.606688][  T852] PKRU: 55555554
[   34.606786][  T852] Call Trace:
[   34.606884][  T852]  <TASK>
[   34.606951][  T852]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.607081][  T852]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.607217][  T852]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.607317][  T852]  register_netdevice (net/core/dev.c:11488)
[   34.607449][  T852]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.607610][  T852]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   34.607746][  T852]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   34.607876][  T852]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   34.608007][  T852]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   34.608145][  T852]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   34.608275][  T852]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   34.608407][  T852]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   34.608540][  T852]  ops_init (net/core/net_namespace.c:137)
[   34.608638][  T852]  setup_net (net/core/net_namespace.c:446)
[   34.608742][  T852]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.608870][  T852]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.609000][  T852]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.609137][  T852]  copy_net_ns (net/core/net_namespace.c:579)
[   34.609270][  T852]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.609403][  T852]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.609537][  T852]  ksys_unshare (kernel/fork.c:3243)
[   34.609669][  T852]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.609799][  T852]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.609930][  T852]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.610061][  T852]  ? __ia32_sys_open (fs/open.c:1374)
[   34.610199][  T852]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.610329][  T852]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.610458][  T852]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.610592][  T852]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.610727][  T852]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.610856][  T852]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.611017][  T852] RIP: 0033:0x7f8c7a037bcb
[   34.611156][  T852] 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
[   34.611620][  T852] RSP: 002b:00007ffc6164c6c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   34.611820][  T852] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8c7a037bcb
[   34.612012][  T852] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.612210][  T852] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.612402][  T852] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc6164e8f0
[   34.612598][  T852] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc6164f887
| [   34.616387][  T852] ------------[ cut here ]------------
| [   34.616529][  T852] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/852
| [   34.616764][  T852] Modules linked in: xfrm_user nf_tables
| [   34.617169][  T852] Tainted: [W]=WARN
[   34.617267][  T852] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.617431][  T852] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.617607][  T852] 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
[   34.618077][  T852] RSP: 0018:ffa00000011178f8 EFLAGS: 00010286
[   34.618247][  T852] RAX: 00000000ffffffa6 RBX: ff11000010a02200 RCX: 1ff4000000222ee5
[   34.618442][  T852] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010a022bc
[   34.618643][  T852] RBP: ff11000002931000 R08: 1fe2200002140459 R09: ff1100000f3dae80
[   34.618845][  T852] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   34.619041][  T852] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000002931000
[   34.619243][  T852] FS:  00007f8c79d75840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   34.619472][  T852] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.619639][  T852] CR2: 00007f8c79f81690 CR3: 000000000f95e006 CR4: 0000000000771ef0
[   34.619843][  T852] PKRU: 55555554
[   34.619941][  T852] Call Trace:
[   34.620039][  T852]  <TASK>
[   34.620106][  T852]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.620245][  T852]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.620377][  T852]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.620477][  T852]  register_netdevice (net/core/dev.c:11488)
[   34.620612][  T852]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.620784][  T852]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   34.620918][  T852]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   34.621050][  T852]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   34.621186][  T852]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   34.621317][  T852]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   34.621450][  T852]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   34.621585][  T852]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   34.621724][  T852]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   34.621859][  T852]  vti_init_net (net/ipv4/ip_vti.c:517)
[   34.621990][  T852]  ops_init (net/core/net_namespace.c:137)
[   34.622091][  T852]  setup_net (net/core/net_namespace.c:446)
[   34.622196][  T852]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.622327][  T852]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.622458][  T852]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.622596][  T852]  copy_net_ns (net/core/net_namespace.c:579)
[   34.622731][  T852]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.622865][  T852]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.622997][  T852]  ksys_unshare (kernel/fork.c:3243)
[   34.623135][  T852]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.623266][  T852]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.623397][  T852]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.623533][  T852]  ? __ia32_sys_open (fs/open.c:1374)
[   34.623668][  T852]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.623798][  T852]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.623928][  T852]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.624058][  T852]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.624196][  T852]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.624325][  T852]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.624489][  T852] RIP: 0033:0x7f8c7a037bcb
[   34.624628][  T852] 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
[   34.625096][  T852] RSP: 002b:00007ffc6164c6c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   34.625297][  T852] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8c7a037bcb
[   34.625491][  T852] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.625696][  T852] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.625892][  T852] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc6164e8f0
[   34.626182][  T852] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc6164f887
| [   34.630622][  T852] ------------[ cut here ]------------
| [   34.630765][  T852] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/852
| [   34.630989][  T852] Modules linked in: xfrm_user nf_tables
| [   34.631477][  T852] Tainted: [W]=WARN
[   34.631580][  T852] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.631747][  T852] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.631916][  T852] 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
[   34.632477][  T852] RSP: 0018:ffa0000001117a78 EFLAGS: 00010286
[   34.632645][  T852] RAX: 00000000ffffffa6 RBX: ff1100000d68f8c0 RCX: 1ff4000000222f15
[   34.632933][  T852] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68f97c
[   34.633134][  T852] RBP: ff1100000f0b9000 R08: 1fe2200001ad1f31 R09: ff1100000f3dae80
[   34.633327][  T852] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   34.633617][  T852] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f0b9000
[   34.633817][  T852] FS:  00007f8c79d75840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   34.634044][  T852] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.634299][  T852] CR2: 00007f8c79f81690 CR3: 000000000f95e006 CR4: 0000000000771ef0
[   34.634497][  T852] PKRU: 55555554
[   34.634600][  T852] Call Trace:
[   34.634700][  T852]  <TASK>
[   34.634767][  T852]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.634898][  T852]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.635027][  T852]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.635132][  T852]  register_netdevice (net/core/dev.c:11488)
[   34.635349][  T852]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.635514][  T852]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.635646][  T852]  register_netdev (net/core/dev.c:11552)
[   34.635781][  T852]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   34.635997][  T852]  ops_init (net/core/net_namespace.c:137)
[   34.636095][  T852]  setup_net (net/core/net_namespace.c:446)
[   34.636201][  T852]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.636330][  T852]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.636547][  T852]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.636684][  T852]  copy_net_ns (net/core/net_namespace.c:579)
[   34.636814][  T852]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.636947][  T852]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.637167][  T852]  ksys_unshare (kernel/fork.c:3243)
[   34.637298][  T852]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.637427][  T852]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.637564][  T852]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.637699][  T852]  ? __ia32_sys_open (fs/open.c:1374)
[   34.637830][  T852]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.637958][  T852]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.638086][  T852]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.638303][  T852]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.638432][  T852]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.638567][  T852]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.639238][  T852] RIP: 0033:0x7f8c7a037bcb
[   34.639375][  T852] 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
[   34.639897][  T852] RSP: 002b:00007ffc6164c6c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   34.640092][  T852] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8c7a037bcb
[   34.640293][  T852] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.640488][  T852] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.640739][  T852] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc6164e8f0
[   34.640987][  T852] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc6164f887
| [   34.654557][  T852] ------------[ cut here ]------------
| [   34.654711][  T852] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/852
| [   34.654937][  T852] Modules linked in: xfrm_user nf_tables
| [   34.655340][  T852] Tainted: [W]=WARN
[   34.655439][  T852] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.655606][  T852] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.655782][  T852] 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
[   34.656250][  T852] RSP: 0018:ffa0000001117a68 EFLAGS: 00010286
[   34.656412][  T852] RAX: 00000000ffffffa6 RBX: ff110000103a5000 RCX: 1ff4000000222f13
[   34.656607][  T852] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000103a50bc
[   34.656805][  T852] RBP: ff11000005b0c000 R08: 1fe2200002074a19 R09: ff1100000f3dae80
[   34.656997][  T852] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   34.657199][  T852] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005b0c000
[   34.657391][  T852] FS:  00007f8c79d75840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   34.657623][  T852] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.657790][  T852] CR2: 00007efd301df2a0 CR3: 000000000f95e002 CR4: 0000000000771ef0
[   34.657992][  T852] PKRU: 55555554
[   34.658088][  T852] Call Trace:
[   34.658187][  T852]  <TASK>
[   34.658252][  T852]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.658381][  T852]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.658514][  T852]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.658613][  T852]  register_netdevice (net/core/dev.c:11488)
[   34.658747][  T852]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.658912][  T852]  register_netdev (net/core/dev.c:11552)
[   34.659039][  T852]  sit_init_net (net/ipv6/sit.c:1860)
[   34.659175][  T852]  ops_init (net/core/net_namespace.c:137)
[   34.659273][  T852]  setup_net (net/core/net_namespace.c:446)
[   34.659369][  T852]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.659496][  T852]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.659628][  T852]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.659762][  T852]  copy_net_ns (net/core/net_namespace.c:579)
[   34.659891][  T852]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.660020][  T852]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.660153][  T852]  ksys_unshare (kernel/fork.c:3243)
[   34.660282][  T852]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.660409][  T852]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.660541][  T852]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.660676][  T852]  ? __ia32_sys_open (fs/open.c:1374)
[   34.660807][  T852]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.660935][  T852]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.661063][  T852]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.661195][  T852]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.661322][  T852]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.661450][  T852]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.661610][  T852] RIP: 0033:0x7f8c7a037bcb
[   34.661776][  T852] 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
[   34.662235][  T852] RSP: 002b:00007ffc6164c6c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   34.662427][  T852] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8c7a037bcb
[   34.662622][  T852] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.662824][  T852] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.663015][  T852] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc6164e8f0
[   34.663211][  T852] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc6164f887
| [   34.668121][  T852] ------------[ cut here ]------------
| [   34.668257][  T852] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/852
| [   34.668480][  T852] Modules linked in: xfrm_user nf_tables
| [   34.668884][  T852] Tainted: [W]=WARN
[   34.668981][  T852] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.669149][  T852] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.669321][  T852] 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
[   34.669789][  T852] RSP: 0018:ffa0000001117a78 EFLAGS: 00010286
[   34.669953][  T852] RAX: 00000000ffffffa6 RBX: ff110000103a4ac0 RCX: 1ff4000000222f15
[   34.670152][  T852] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000103a4b7c
[   34.670346][  T852] RBP: ff1100000ea29000 R08: 1fe2200002074971 R09: ff1100000f3dae80
[   34.670542][  T852] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   34.670738][  T852] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ea29000
[   34.670931][  T852] FS:  00007f8c79d75840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   34.671164][  T852] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.671327][  T852] CR2: 00007efd301df2a0 CR3: 000000000f95e002 CR4: 0000000000771ef0
[   34.671529][  T852] PKRU: 55555554
[   34.671626][  T852] Call Trace:
[   34.671727][  T852]  <TASK>
[   34.671793][  T852]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.671923][  T852]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.672053][  T852]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.672155][  T852]  register_netdevice (net/core/dev.c:11488)
[   34.672285][  T852]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.672445][  T852]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.672580][  T852]  register_netdev (net/core/dev.c:11552)
[   34.672714][  T852]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   34.672843][  T852]  ops_init (net/core/net_namespace.c:137)
[   34.672940][  T852]  setup_net (net/core/net_namespace.c:446)
[   34.673038][  T852]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.673170][  T852]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.673299][  T852]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.673430][  T852]  copy_net_ns (net/core/net_namespace.c:579)
[   34.673565][  T852]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.673700][  T852]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.673832][  T852]  ksys_unshare (kernel/fork.c:3243)
[   34.673961][  T852]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.674090][  T852]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.674225][  T852]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.674356][  T852]  ? __ia32_sys_open (fs/open.c:1374)
[   34.674489][  T852]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.674621][  T852]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.674809][  T852]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.674940][  T852]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.675068][  T852]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.675201][  T852]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.675359][  T852] RIP: 0033:0x7f8c7a037bcb
[   34.675493][  T852] 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
[   34.676012][  T852] RSP: 002b:00007ffc6164c6c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   34.676213][  T852] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8c7a037bcb
[   34.676404][  T852] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.676598][  T852] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.676844][  T852] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc6164e8f0
[   34.677089][  T852] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc6164f887
| [   34.710643][  T853] ------------[ cut here ]------------
| [   34.710799][  T853] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/853
| [   34.711030][  T853] Modules linked in: xfrm_user nf_tables
| [   34.711438][  T853] Tainted: [W]=WARN
[   34.711540][  T853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.711708][  T853] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.711877][  T853] 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
[   34.712344][  T853] RSP: 0018:ffa0000001127020 EFLAGS: 00010286
[   34.712508][  T853] RAX: 00000000ffffffa6 RBX: ff1100000b8d9e00 RCX: 1ff4000000224dca
[   34.712708][  T853] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8d9ebc
[   34.712903][  T853] RBP: ff1100000e584000 R08: 1fe220000171b3d9 R09: ff1100000f3d8b58
[   34.713096][  T853] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   34.713295][  T853] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   34.713491][  T853] FS:  00007f8f739db840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   34.713734][  T853] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.713896][  T853] CR2: 000000000be13988 CR3: 000000000e867001 CR4: 0000000000771ef0
[   34.714091][  T853] PKRU: 55555554
[   34.714194][  T853] Call Trace:
[   34.714291][  T853]  <TASK>
[   34.714359][  T853]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.714492][  T853]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.714595][  T853]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   34.714729][  T853]  __dev_notify_flags (net/core/dev.c:9787)
[   34.714860][  T853]  ? netif_change_name (net/core/dev.c:1495)
[   34.714991][  T853]  ? __dev_change_flags (net/core/dev.c:9752)
[   34.715125][  T853]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   34.715255][  T853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.715386][  T853]  ? 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))
[   34.715518][  T853]  netif_change_flags (net/core/dev.c:9820)
[   34.715656][  T853]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   34.715788][  T853]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   34.715926][  T853]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   34.716057][  T853]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   34.716225][  T853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.716356][  T853]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.716487][  T853]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   34.716621][  T853]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.716759][  T853]  ? __kernel_text_address (kernel/extable.c:79)
[   34.716890][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.717022][  T853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.717155][  T853]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.717285][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.717416][  T853]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.717547][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.717683][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.717813][  T853]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   34.717945][  T853]  ? __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)
[   34.718074][  T853]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   34.718209][  T853]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.718340][  T853]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   34.718472][  T853]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   34.718610][  T853]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   34.718748][  T853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.718877][  T853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.719006][  T853]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.719142][  T853]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.719271][  T853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.719403][  T853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.719536][  T853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.719667][  T853]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.719799][  T853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.719929][  T853]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.720059][  T853]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.720194][  T853]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.720323][  T853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.720452][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.720587][  T853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.720722][  T853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.720854][  T853]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.720983][  T853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.721118][  T853]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.721252][  T853]  ? 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))
[   34.721382][  T853]  ? 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))
[   34.721516][  T853]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.721648][  T853]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.721785][  T853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.721916][  T853]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.722046][  T853]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.722181][  T853]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.722312][  T853]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.722443][  T853]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.722576][  T853]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.722742][  T853]  ? move_addr_to_kernel (net/socket.c:258)
[   34.722873][  T853]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.723003][  T853]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.723141][  T853]  ___sys_sendmsg (net/socket.c:2752)
[   34.723271][  T853]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   34.723431][  T853]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.723576][  T853]  __sys_sendmsg (net/socket.c:2784)
[   34.723711][  T853]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.723841][  T853]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   34.724005][  T853]  ? 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)
[   34.724141][  T853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.724272][  T853]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.724400][  T853]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.724534][  T853]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.724668][  T853]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.724831][  T853] RIP: 0033:0x7f8f73c1508e
[   34.724968][  T853] 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
[   34.725433][  T853] RSP: 002b:00007ffd08c97b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.725633][  T853] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8f73c1508e
[   34.725832][  T853] RDX: 0000000000000000 RSI: 00007ffd08c97be0 RDI: 0000000000000005
[   34.726025][  T853] RBP: 00007ffd08c97b40 R08: 0000000000000000 R09: 0000000000000000
[   34.726220][  T853] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84c
[   34.726415][  T853] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd08c982b0
| [   34.852088][  T857] ------------[ cut here ]------------
| [   34.852245][  T857] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/857
| [   34.852478][  T857] Modules linked in: xfrm_user nf_tables
| [   34.852893][  T857] Tainted: [W]=WARN
[   34.852993][  T857] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.853162][  T857] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.853333][  T857] 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
[   34.853807][  T857] RSP: 0018:ffa0000001167a80 EFLAGS: 00010286
[   34.853973][  T857] RAX: 00000000ffffffa6 RBX: ff1100000dd00e40 RCX: 1ff400000022cf16
[   34.854175][  T857] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd00efc
[   34.854373][  T857] RBP: ff1100000e869000 R08: 1fe2200001ba01e1 R09: ff1100001298ae80
[   34.854573][  T857] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   34.854773][  T857] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e869000
[   34.854969][  T857] FS:  00007faaab3c8840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   34.855202][  T857] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.855366][  T857] CR2: 00007faaab5d27d0 CR3: 0000000014d7f003 CR4: 0000000000771ef0
[   34.855565][  T857] PKRU: 55555554
[   34.855668][  T857] Call Trace:
[   34.855765][  T857]  <TASK>
[   34.855833][  T857]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.855965][  T857]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.856097][  T857]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.856204][  T857]  register_netdevice (net/core/dev.c:11488)
[   34.856336][  T857]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.856505][  T857]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   34.856639][  T857]  register_netdev (net/core/dev.c:11552)
[   34.856776][  T857]  loopback_net_init (drivers/net/loopback.c:218)
[   34.856909][  T857]  ops_init (net/core/net_namespace.c:137)
[   34.857010][  T857]  setup_net (net/core/net_namespace.c:446)
[   34.857114][  T857]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.857244][  T857]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.857375][  T857]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.857512][  T857]  copy_net_ns (net/core/net_namespace.c:579)
[   34.857645][  T857]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.857784][  T857]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.857916][  T857]  ksys_unshare (kernel/fork.c:3243)
[   34.858047][  T857]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.858186][  T857]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.858316][  T857]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.858447][  T857]  ? __ia32_sys_open (fs/open.c:1374)
[   34.858582][  T857]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.858753][  T857]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.858884][  T857]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.859013][  T857]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.859149][  T857]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.859280][  T857]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.859441][  T857] RIP: 0033:0x7faaab68abcb
[   34.859580][  T857] 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
[   34.860051][  T857] RSP: 002b:00007fff34a7a148 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   34.860254][  T857] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007faaab68abcb
[   34.860449][  T857] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.860644][  T857] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.860842][  T857] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff34a7c370
[   34.861034][  T857] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff34a7c888
| [   34.865201][  T857] ------------[ cut here ]------------
| [   34.865339][  T857] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/857
| [   34.865569][  T857] Modules linked in: xfrm_user nf_tables
| [   34.865970][  T857] Tainted: [W]=WARN
[   34.866070][  T857] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.866238][  T857] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.866406][  T857] 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
[   34.866877][  T857] RSP: 0018:ffa0000001167918 EFLAGS: 00010286
[   34.867041][  T857] RAX: 00000000ffffffa6 RBX: ff1100000a108ac0 RCX: 1ff400000022cee9
[   34.867240][  T857] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a108b7c
[   34.867433][  T857] RBP: ff1100000ff14000 R08: 1fe2200001421171 R09: ff1100001298ae80
[   34.867631][  T857] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   34.867829][  T857] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff14000
[   34.868024][  T857] FS:  00007faaab3c8840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   34.868257][  T857] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.868420][  T857] CR2: 00007faaab5d27d0 CR3: 0000000014d7f003 CR4: 0000000000771ef0
[   34.868620][  T857] PKRU: 55555554
[   34.868835][  T857] Call Trace:
[   34.868933][  T857]  <TASK>
[   34.869001][  T857]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.869135][  T857]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.869266][  T857]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.869366][  T857]  register_netdevice (net/core/dev.c:11488)
[   34.869501][  T857]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.869669][  T857]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   34.869803][  T857]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   34.869934][  T857]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   34.870066][  T857]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   34.870204][  T857]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   34.870335][  T857]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   34.870467][  T857]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   34.870602][  T857]  ops_init (net/core/net_namespace.c:137)
[   34.870707][  T857]  setup_net (net/core/net_namespace.c:446)
[   34.870806][  T857]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.870936][  T857]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.871067][  T857]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.871205][  T857]  copy_net_ns (net/core/net_namespace.c:579)
[   34.871337][  T857]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.871470][  T857]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.871606][  T857]  ksys_unshare (kernel/fork.c:3243)
[   34.871741][  T857]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.871873][  T857]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.872004][  T857]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.872142][  T857]  ? __ia32_sys_open (fs/open.c:1374)
[   34.872274][  T857]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.872402][  T857]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.872535][  T857]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.872669][  T857]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.872799][  T857]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.872930][  T857]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.873091][  T857] RIP: 0033:0x7faaab68abcb
[   34.873235][  T857] 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
[   34.873711][  T857] RSP: 002b:00007fff34a7a148 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   34.873908][  T857] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007faaab68abcb
[   34.874104][  T857] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.874302][  T857] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.874497][  T857] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff34a7c370
[   34.874697][  T857] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff34a7c888
| [   34.878494][  T857] ------------[ cut here ]------------
| [   34.878635][  T857] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/857
| [   34.878869][  T857] Modules linked in: xfrm_user nf_tables
| [   34.879275][  T857] Tainted: [W]=WARN
[   34.879373][  T857] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.879541][  T857] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.879716][  T857] 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
[   34.880191][  T857] RSP: 0018:ffa00000011678f8 EFLAGS: 00010286
[   34.880355][  T857] RAX: 00000000ffffffa6 RBX: ff1100000a109a80 RCX: 1ff400000022cee5
[   34.880553][  T857] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a109b3c
[   34.880757][  T857] RBP: ff1100000d444000 R08: 1fe2200001421369 R09: ff1100001298ae80
[   34.880953][  T857] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   34.881154][  T857] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d444000
[   34.881352][  T857] FS:  00007faaab3c8840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   34.881584][  T857] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.881753][  T857] CR2: 00007faaab5d27d0 CR3: 0000000014d7f003 CR4: 0000000000771ef0
[   34.881949][  T857] PKRU: 55555554
[   34.882047][  T857] Call Trace:
[   34.882152][  T857]  <TASK>
[   34.882220][  T857]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.882352][  T857]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.882485][  T857]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.882589][  T857]  register_netdevice (net/core/dev.c:11488)
[   34.882728][  T857]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.882892][  T857]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   34.883025][  T857]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   34.883159][  T857]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   34.883292][  T857]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   34.883425][  T857]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   34.883562][  T857]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   34.883699][  T857]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   34.883832][  T857]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   34.883965][  T857]  vti_init_net (net/ipv4/ip_vti.c:517)
[   34.884096][  T857]  ops_init (net/core/net_namespace.c:137)
[   34.884203][  T857]  setup_net (net/core/net_namespace.c:446)
[   34.884303][  T857]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.884435][  T857]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.884570][  T857]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.884710][  T857]  copy_net_ns (net/core/net_namespace.c:579)
[   34.884841][  T857]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.884975][  T857]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.885107][  T857]  ksys_unshare (kernel/fork.c:3243)
[   34.885246][  T857]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.885378][  T857]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.885513][  T857]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.885645][  T857]  ? __ia32_sys_open (fs/open.c:1374)
[   34.885784][  T857]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.885915][  T857]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.886046][  T857]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.886184][  T857]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.886318][  T857]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.886448][  T857]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.886611][  T857] RIP: 0033:0x7faaab68abcb
[   34.886751][  T857] 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
[   34.887223][  T857] RSP: 002b:00007fff34a7a148 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   34.887420][  T857] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007faaab68abcb
[   34.887617][  T857] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.887817][  T857] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.888013][  T857] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff34a7c370
[   34.888214][  T857] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff34a7c888
| [   34.892246][  T857] ------------[ cut here ]------------
| [   34.892384][  T857] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/857
| [   34.892610][  T857] Modules linked in: xfrm_user nf_tables
| [   34.893014][  T857] Tainted: [W]=WARN
[   34.893118][  T857] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.893284][  T857] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.893549][  T857] 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
[   34.894114][  T857] RSP: 0018:ffa0000001167a78 EFLAGS: 00010286
[   34.894281][  T857] RAX: 00000000ffffffa6 RBX: ff1100000dd00ac0 RCX: 1ff400000022cf15
[   34.894475][  T857] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd00b7c
[   34.894765][  T857] RBP: ff1100000f9d4000 R08: 1fe2200001ba0171 R09: ff1100001298ae80
[   34.894960][  T857] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   34.895162][  T857] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f9d4000
[   34.895448][  T857] FS:  00007faaab3c8840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   34.895682][  T857] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.895934][  T857] CR2: 00007faaab5d27d0 CR3: 0000000014d7f003 CR4: 0000000000771ef0
[   34.896138][  T857] PKRU: 55555554
[   34.896237][  T857] Call Trace:
[   34.896334][  T857]  <TASK>
[   34.896402][  T857]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.896623][  T857]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.896759][  T857]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.896859][  T857]  register_netdevice (net/core/dev.c:11488)
[   34.896991][  T857]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.897248][  T857]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.897382][  T857]  register_netdev (net/core/dev.c:11552)
[   34.897514][  T857]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   34.897646][  T857]  ops_init (net/core/net_namespace.c:137)
[   34.897750][  T857]  setup_net (net/core/net_namespace.c:446)
[   34.897849][  T857]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.897978][  T857]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.898113][  T857]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.898335][  T857]  copy_net_ns (net/core/net_namespace.c:579)
[   34.898468][  T857]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.898604][  T857]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.898739][  T857]  ksys_unshare (kernel/fork.c:3243)
[   34.898956][  T857]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.899087][  T857]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.899221][  T857]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.899354][  T857]  ? __ia32_sys_open (fs/open.c:1374)
[   34.899577][  T857]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.899712][  T857]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.899842][  T857]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.899974][  T857]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.900195][  T857]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.900325][  T857]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.900485][  T857] RIP: 0033:0x7faaab68abcb
[   34.900625][  T857] 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
[   34.901095][  T857] RSP: 002b:00007fff34a7a148 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   34.901385][  T857] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007faaab68abcb
[   34.901582][  T857] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.901782][  T857] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.902065][  T857] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff34a7c370
[   34.902264][  T857] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff34a7c888
| [   34.906720][  T857] ------------[ cut here ]------------
| [   34.906857][  T857] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/857
| [   34.907082][  T857] Modules linked in: xfrm_user nf_tables
| [   34.907578][  T857] Tainted: [W]=WARN
[   34.908200][  T857] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.908366][  T857] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.908538][  T857] 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
[   34.909058][  T857] RSP: 0018:ffa0000001167a68 EFLAGS: 00010286
[   34.909228][  T857] RAX: 00000000ffffffa6 RBX: ff1100000e65f8c0 RCX: 1ff400000022cf13
[   34.909422][  T857] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e65f97c
[   34.909621][  T857] RBP: ff1100000dec1000 R08: 1fe2200001ccbf31 R09: ff1100001298ae80
[   34.909871][  T857] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   34.910066][  T857] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000dec1000
[   34.910267][  T857] FS:  00007faaab3c8840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   34.910555][  T857] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.910774][  T857] CR2: 00007faaab5d27d0 CR3: 0000000014d7f003 CR4: 0000000000771ef0
[   34.910971][  T857] PKRU: 55555554
[   34.911070][  T857] Call Trace:
[   34.911172][  T857]  <TASK>
[   34.911239][  T857]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.911369][  T857]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.911504][  T857]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.911605][  T857]  register_netdevice (net/core/dev.c:11488)
[   34.911794][  T857]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.911962][  T857]  register_netdev (net/core/dev.c:11552)
[   34.912093][  T857]  sit_init_net (net/ipv6/sit.c:1860)
[   34.912230][  T857]  ops_init (net/core/net_namespace.c:137)
[   34.912330][  T857]  setup_net (net/core/net_namespace.c:446)
[   34.912429][  T857]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.912565][  T857]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.912750][  T857]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.912883][  T857]  copy_net_ns (net/core/net_namespace.c:579)
[   34.913015][  T857]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.913152][  T857]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.913284][  T857]  ksys_unshare (kernel/fork.c:3243)
[   34.913416][  T857]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.913548][  T857]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.913734][  T857]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.913867][  T857]  ? __ia32_sys_open (fs/open.c:1374)
[   34.913999][  T857]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.914133][  T857]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.914263][  T857]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.914393][  T857]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.914616][  T857]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.914802][  T857]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.914963][  T857] RIP: 0033:0x7faaab68abcb
[   34.915098][  T857] 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
[   34.915725][  T857] RSP: 002b:00007fff34a7a148 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   34.915921][  T857] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007faaab68abcb
[   34.916121][  T857] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.916314][  T857] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.916600][  T857] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff34a7c370
[   34.916857][  T857] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff34a7c888
| [   34.921800][  T857] ------------[ cut here ]------------
| [   34.921948][  T857] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/857
| [   34.922178][  T857] Modules linked in: xfrm_user nf_tables
| [   34.922580][  T857] Tainted: [W]=WARN
[   34.922685][  T857] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.922854][  T857] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.923023][  T857] 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
[   34.923490][  T857] RSP: 0018:ffa0000001167a78 EFLAGS: 00010286
[   34.923663][  T857] RAX: 00000000ffffffa6 RBX: ff110000059bf8c0 RCX: 1ff400000022cf15
[   34.923859][  T857] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000059bf97c
[   34.924053][  T857] RBP: ff1100000de2c000 R08: 1fe2200000b37f31 R09: ff1100001298ae80
[   34.924251][  T857] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   34.924448][  T857] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000de2c000
[   34.924646][  T857] FS:  00007faaab3c8840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   34.924881][  T857] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.925045][  T857] CR2: 00007f9adcbb9930 CR3: 0000000014d7f004 CR4: 0000000000771ef0
[   34.925248][  T857] PKRU: 55555554
[   34.925347][  T857] Call Trace:
[   34.925443][  T857]  <TASK>
[   34.925514][  T857]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.925645][  T857]  ? notifier_call_chain (kernel/notifier.c:85)
[   34.925781][  T857]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.925881][  T857]  register_netdevice (net/core/dev.c:11488)
[   34.926012][  T857]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   34.926178][  T857]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.926313][  T857]  register_netdev (net/core/dev.c:11552)
[   34.926444][  T857]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   34.926578][  T857]  ops_init (net/core/net_namespace.c:137)
[   34.926684][  T857]  setup_net (net/core/net_namespace.c:446)
[   34.926783][  T857]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   34.926912][  T857]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   34.927041][  T857]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   34.927179][  T857]  copy_net_ns (net/core/net_namespace.c:579)
[   34.927335][  T857]  create_new_namespaces (kernel/nsproxy.c:132)
[   34.927467][  T857]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   34.927600][  T857]  ksys_unshare (kernel/fork.c:3243)
[   34.927737][  T857]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   34.927867][  T857]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   34.927997][  T857]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   34.928133][  T857]  ? __ia32_sys_open (fs/open.c:1374)
[   34.928265][  T857]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   34.928395][  T857]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   34.928529][  T857]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.928663][  T857]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.928793][  T857]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.928923][  T857]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.929083][  T857] RIP: 0033:0x7faaab68abcb
[   34.929222][  T857] 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
[   34.929697][  T857] RSP: 002b:00007fff34a7a148 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   34.929892][  T857] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007faaab68abcb
[   34.930085][  T857] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   34.930282][  T857] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   34.930476][  T857] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff34a7c370
[   34.930678][  T857] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff34a7c888
| [   34.965409][  T858] ------------[ cut here ]------------
| [   34.965592][  T858] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/858
| [   34.965893][  T858] Modules linked in: xfrm_user nf_tables
| [   34.966385][  T858] Tainted: [W]=WARN
[   34.966532][  T858] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.966842][  T858] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   34.967161][  T858] 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
[   34.967745][  T858] RSP: 0018:ffa0000001177020 EFLAGS: 00010286
[   34.968043][  T858] RAX: 00000000ffffffa6 RBX: ff1100000b59d540 RCX: 1ff400000022edca
[   34.968363][  T858] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b59d5fc
[   34.968701][  T858] RBP: ff1100000e869000 R08: 1fe22000016b3ac1 R09: ff1100000fcf2e58
[   34.969015][  T858] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   34.969259][  T858] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   34.969501][  T858] FS:  00007f373d234840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   34.969794][  T858] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   34.970003][  T858] CR2: 000000001fca6988 CR3: 000000000f0a7006 CR4: 0000000000771ef0
[   34.970254][  T858] PKRU: 55555554
[   34.970398][  T858] Call Trace:
[   34.970550][  T858]  <TASK>
[   34.970678][  T858]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   34.970859][  T858]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   34.971005][  T858]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   34.971187][  T858]  __dev_notify_flags (net/core/dev.c:9787)
[   34.971367][  T858]  ? netif_change_name (net/core/dev.c:1495)
[   34.971555][  T858]  ? __dev_change_flags (net/core/dev.c:9752)
[   34.971747][  T858]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   34.971922][  T858]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.972100][  T858]  ? 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))
[   34.972288][  T858]  netif_change_flags (net/core/dev.c:9820)
[   34.972466][  T858]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   34.972664][  T858]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   34.972848][  T858]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   34.973025][  T858]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   34.973244][  T858]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   34.973421][  T858]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.973608][  T858]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   34.973798][  T858]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.973979][  T858]  ? __kernel_text_address (kernel/extable.c:79)
[   34.974165][  T858]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.974345][  T858]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.974526][  T858]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.974717][  T858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.974894][  T858]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   34.975069][  T858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.975254][  T858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.975434][  T858]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   34.975619][  T858]  ? __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)
[   34.975807][  T858]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   34.975986][  T858]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   34.976174][  T858]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   34.976355][  T858]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   34.976541][  T858]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   34.976735][  T858]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.976912][  T858]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.977090][  T858]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.977275][  T858]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   34.977452][  T858]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.977641][  T858]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.977830][  T858]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.978009][  T858]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.978201][  T858]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   34.978378][  T858]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   34.978563][  T858]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   34.978757][  T858]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.978935][  T858]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.979121][  T858]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.979300][  T858]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   34.979475][  T858]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   34.979672][  T858]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   34.979848][  T858]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   34.980026][  T858]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   34.980215][  T858]  ? 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))
[   34.980391][  T858]  ? 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))
[   34.980579][  T858]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   34.980769][  T858]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   34.980950][  T858]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   34.981136][  T858]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   34.981316][  T858]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   34.981493][  T858]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   34.981691][  T858]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   34.981870][  T858]  ? copy_msghdr_from_user (net/socket.c:2635)
[   34.982046][  T858]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   34.982263][  T858]  ? move_addr_to_kernel (net/socket.c:258)
[   34.982447][  T858]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   34.982633][  T858]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   34.982825][  T858]  ___sys_sendmsg (net/socket.c:2752)
[   34.983001][  T858]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   34.983220][  T858]  ? copy_msghdr_from_user (net/socket.c:2603)
[   34.983409][  T858]  __sys_sendmsg (net/socket.c:2784)
[   34.983595][  T858]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   34.983787][  T858]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   34.983998][  T858]  ? 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)
[   34.984183][  T858]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   34.984365][  T858]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   34.984549][  T858]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   34.984738][  T858]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   34.984916][  T858]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   34.985134][  T858] RIP: 0033:0x7f373d46e08e
[   34.985318][  T858] 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
[   34.985849][  T858] RSP: 002b:00007ffdd56004c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   34.986090][  T858] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f373d46e08e
[   34.986339][  T858] RDX: 0000000000000000 RSI: 00007ffdd5600570 RDI: 0000000000000005
[   34.986585][  T858] RBP: 00007ffdd56004d0 R08: 0000000000000000 R09: 0000000000000000
[   34.986836][  T858] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84d
[   34.987075][  T858] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd5600c40
| [   35.232548][  T868] ------------[ cut here ]------------
| [   35.232752][  T868] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/868
| [   35.233036][  T868] Modules linked in: xfrm_user nf_tables
| [   35.233563][  T868] Tainted: [W]=WARN
[   35.233726][  T868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.233941][  T868] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.234169][  T868] 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
[   35.234779][  T868] RSP: 0018:ffa0000001196e30 EFLAGS: 00010286
[   35.235051][  T868] RAX: 00000000ffffffa6 RBX: ff1100001204da80 RCX: 1ff4000000232d8c
[   35.235362][  T868] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001204db3c
[   35.235685][  T868] RBP: ff11000014c24000 R08: 1fe2200002409b69 R09: ff1100000a8eae80
[   35.235992][  T868] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   35.236300][  T868] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b5f500
[   35.236611][  T868] FS:  00007fc90ed23840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   35.236959][  T868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.237237][  T868] CR2: 00000000004eb188 CR3: 0000000014d23001 CR4: 0000000000771ef0
[   35.237550][  T868] PKRU: 55555554
[   35.237764][  T868] Call Trace:
[   35.237965][  T868]  <TASK>
[   35.238145][  T868]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   35.238417][  T868]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.238675][  T868]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.238879][  T868]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.239124][  T868]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.239360][  T868]  __dev_notify_flags (net/core/dev.c:9787)
[   35.239604][  T868]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.239855][  T868]  ? netif_change_name (net/core/dev.c:1495)
[   35.240091][  T868]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   35.240339][  T868]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   35.240617][  T868]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   35.240898][  T868]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   35.241144][  T868]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   35.241380][  T868]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   35.241625][  T868]  veth_newlink (drivers/net/veth.c:1871)
[   35.241875][  T868]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   35.242118][  T868]  ? kasan_save_stack (mm/kasan/common.c:57)
[   35.242354][  T868]  ? kasan_save_track (mm/kasan/common.c:78)
[   35.242592][  T868]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   35.242857][  T868]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   35.243091][  T868]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   35.243335][  T868]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   35.243575][  T868]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   35.243825][  T868]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   35.244062][  T868]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   35.244311][  T868]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   35.244555][  T868]  ? __dev_get_by_name (net/core/dev.c:883)
[   35.244804][  T868]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   35.245045][  T868]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   35.245296][  T868]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   35.245546][  T868]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.245793][  T868]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.246029][  T868]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.246275][  T868]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.246503][  T868]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.246708][  T868]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.246891][  T868]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.247072][  T868]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.247259][  T868]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.247439][  T868]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.247626][  T868]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.247823][  T868]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.248002][  T868]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.248193][  T868]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.248373][  T868]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.248565][  T868]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.248763][  T868]  ? 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))
[   35.248944][  T868]  ? 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))
[   35.249135][  T868]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.249317][  T868]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.249498][  T868]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.249700][  T868]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.249881][  T868]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.250064][  T868]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.250254][  T868]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.250437][  T868]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.250623][  T868]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.250849][  T868]  ? move_addr_to_kernel (net/socket.c:258)
[   35.251033][  T868]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.251222][  T868]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   35.251405][  T868]  ___sys_sendmsg (net/socket.c:2752)
[   35.251591][  T868]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   35.251786][  T868]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.251971][  T868]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   35.252163][  T868]  ? 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))
[   35.252346][  T868]  __sys_sendmsg (net/socket.c:2784)
[   35.252530][  T868]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.252728][  T868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.252911][  T868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.253093][  T868]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.253282][  T868]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.253461][  T868]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.253664][  T868]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.253875][  T868] RIP: 0033:0x7fc90ef5d08e
[   35.254064][  T868] 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
[   35.254605][  T868] RSP: 002b:00007fff34cec750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.254866][  T868] RAX: ffffffffffffffda RBX: 00007fff34cecee8 RCX: 00007fc90ef5d08e
[   35.255117][  T868] RDX: 0000000000000000 RSI: 00007fff34cec800 RDI: 0000000000000005
[   35.255362][  T868] RBP: 00007fff34cec760 R08: 0000000000000000 R09: 0000000000000000
[   35.255617][  T868] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84d
[   35.255871][  T868] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff34cecec0
| [   35.265262][  T868] ------------[ cut here ]------------
| [   35.265446][  T868] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/868
| [   35.265746][  T868] Modules linked in: xfrm_user nf_tables
| [   35.266369][  T868] Tainted: [W]=WARN
[   35.266519][  T868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.266746][  T868] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.266966][  T868] 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
[   35.267486][  T868] RSP: 0018:ffa00000011971b0 EFLAGS: 00010286
[   35.267784][  T868] RAX: 00000000ffffffa6 RBX: ff1100000ce11000 RCX: 1ff4000000232dfc
[   35.268082][  T868] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce110bc
[   35.268375][  T868] RBP: ff11000014c21000 R08: 1fe22000019c2219 R09: ff1100000a8eae80
[   35.268623][  T868] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   35.268880][  T868] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   35.269132][  T868] FS:  00007fc90ed23840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   35.269410][  T868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.269629][  T868] CR2: 00000000004eb188 CR3: 0000000014d23001 CR4: 0000000000771ef0
[   35.269887][  T868] PKRU: 55555554
[   35.270035][  T868] Call Trace:
[   35.270190][  T868]  <TASK>
[   35.270306][  T868]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.270488][  T868]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.270644][  T868]  __dev_notify_flags (net/core/dev.c:9787)
[   35.270839][  T868]  ? netif_change_name (net/core/dev.c:1495)
[   35.271020][  T868]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   35.271209][  T868]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   35.271390][  T868]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   35.271581][  T868]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   35.271772][  T868]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   35.271951][  T868]  ? __dev_get_by_name (net/core/dev.c:883)
[   35.272138][  T868]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   35.272323][  T868]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   35.272512][  T868]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   35.272706][  T868]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.272885][  T868]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.273064][  T868]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.273252][  T868]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.273431][  T868]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.273624][  T868]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.273819][  T868]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.274000][  T868]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.274189][  T868]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.274369][  T868]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.274555][  T868]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.274750][  T868]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.274929][  T868]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.275118][  T868]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.275298][  T868]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.275481][  T868]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.275683][  T868]  ? 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))
[   35.275862][  T868]  ? 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))
[   35.276045][  T868]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.276235][  T868]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.276416][  T868]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.276608][  T868]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.276803][  T868]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.276985][  T868]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.277175][  T868]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.277356][  T868]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.277540][  T868]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.277767][  T868]  ? move_addr_to_kernel (net/socket.c:258)
[   35.277950][  T868]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.278137][  T868]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   35.278320][  T868]  ___sys_sendmsg (net/socket.c:2752)
[   35.278497][  T868]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   35.278696][  T868]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.278882][  T868]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   35.279066][  T868]  ? 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))
[   35.279260][  T868]  __sys_sendmsg (net/socket.c:2784)
[   35.279444][  T868]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.279634][  T868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.279826][  T868]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.280006][  T868]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.280191][  T868]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.280372][  T868]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.280560][  T868]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.280786][  T868] RIP: 0033:0x7fc90ef5d08e
[   35.280972][  T868] 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
[   35.281492][  T868] RSP: 002b:00007fff34cec750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.281760][  T868] RAX: ffffffffffffffda RBX: 00007fff34cecee8 RCX: 00007fc90ef5d08e
[   35.282004][  T868] RDX: 0000000000000000 RSI: 00007fff34cec800 RDI: 0000000000000005
[   35.282255][  T868] RBP: 00007fff34cec760 R08: 0000000000000000 R09: 0000000000000000
[   35.282502][  T868] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84d
[   35.282763][  T868] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff34cecec0
| [   35.390288][  T872] ------------[ cut here ]------------
| [   35.390434][  T872] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/872
| [   35.390673][  T872] Modules linked in: xfrm_user nf_tables
| [   35.391069][  T872] Tainted: [W]=WARN
[   35.391172][  T872] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.391335][  T872] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.391502][  T872] 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
[   35.391963][  T872] RSP: 0018:ffa00000011b7020 EFLAGS: 00010286
[   35.392128][  T872] RAX: 00000000ffffffa6 RBX: ff11000008fcac80 RCX: 1ff4000000236dca
[   35.392320][  T872] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008fcad3c
[   35.392512][  T872] RBP: ff11000014c21000 R08: 1fe22000011f95a9 R09: ff1100000e605158
[   35.392707][  T872] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   35.392897][  T872] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   35.393089][  T872] FS:  00007fd02087b840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   35.393315][  T872] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.393474][  T872] CR2: 000000001dabc988 CR3: 0000000004d74004 CR4: 0000000000771ef0
[   35.393675][  T872] PKRU: 55555554
[   35.393770][  T872] Call Trace:
[   35.393865][  T872]  <TASK>
[   35.393933][  T872]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.394063][  T872]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.394165][  T872]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   35.394293][  T872]  __dev_notify_flags (net/core/dev.c:9787)
[   35.394421][  T872]  ? netif_change_name (net/core/dev.c:1495)
[   35.394551][  T872]  ? __dev_change_flags (net/core/dev.c:9752)
[   35.394685][  T872]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   35.394813][  T872]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.394941][  T872]  ? 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))
[   35.395072][  T872]  netif_change_flags (net/core/dev.c:9820)
[   35.395205][  T872]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   35.395332][  T872]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   35.395461][  T872]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   35.395592][  T872]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   35.395772][  T872]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.395899][  T872]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.396028][  T872]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.396158][  T872]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.396286][  T872]  ? __kernel_text_address (kernel/extable.c:79)
[   35.396414][  T872]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.396547][  T872]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.396682][  T872]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   35.396810][  T872]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.396937][  T872]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.397063][  T872]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.397195][  T872]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.397322][  T872]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   35.397451][  T872]  ? __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)
[   35.397582][  T872]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   35.397715][  T872]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   35.397844][  T872]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   35.397974][  T872]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   35.398104][  T872]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   35.398237][  T872]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.398362][  T872]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.398490][  T872]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.398621][  T872]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.398753][  T872]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.398881][  T872]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.399007][  T872]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.399138][  T872]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.399265][  T872]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.399392][  T872]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.399525][  T872]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.399657][  T872]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.399783][  T872]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.399911][  T872]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.400040][  T872]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.400170][  T872]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.400298][  T872]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.400424][  T872]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.400556][  T872]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.400694][  T872]  ? 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))
[   35.400821][  T872]  ? 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))
[   35.400949][  T872]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.401076][  T872]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.401207][  T872]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.401336][  T872]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.401463][  T872]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.401597][  T872]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.401729][  T872]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.401856][  T872]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.401982][  T872]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.402143][  T872]  ? move_addr_to_kernel (net/socket.c:258)
[   35.402270][  T872]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.402396][  T872]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.402530][  T872]  ___sys_sendmsg (net/socket.c:2752)
[   35.402661][  T872]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   35.402820][  T872]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.402958][  T872]  __sys_sendmsg (net/socket.c:2784)
[   35.403085][  T872]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.403216][  T872]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   35.403377][  T872]  ? 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)
[   35.403509][  T872]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.403637][  T872]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.403770][  T872]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.403897][  T872]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.404023][  T872]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.404186][  T872] RIP: 0033:0x7fd020ab508e
[   35.404321][  T872] 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
[   35.404786][  T872] RSP: 002b:00007fffad452660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.404979][  T872] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd020ab508e
[   35.405175][  T872] RDX: 0000000000000000 RSI: 00007fffad452710 RDI: 0000000000000005
[   35.405366][  T872] RBP: 00007fffad452670 R08: 0000000000000000 R09: 0000000000000000
[   35.405561][  T872] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84d
[   35.405757][  T872] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffad452dd0
| [   35.509141][  T876] ------------[ cut here ]------------
| [   35.509286][  T876] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/876
| [   35.509513][  T876] Modules linked in: xfrm_user nf_tables
| [   35.510506][  T876] Tainted: [W]=WARN
[   35.510602][  T876] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.510836][  T876] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.511002][  T876] 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
[   35.511460][  T876] RSP: 0018:ffa00000006e7020 EFLAGS: 00010286
[   35.511627][  T876] RAX: 00000000ffffffa6 RBX: ff1100000c961000 RCX: 1ff40000000dcdca
[   35.511852][  T876] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9610bc
[   35.512044][  T876] RBP: ff11000014c24000 R08: 1fe220000192c219 R09: ff1100000fb02e58
[   35.512242][  T876] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   35.512437][  T876] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   35.512635][  T876] FS:  00007f31bd005840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   35.512863][  T876] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.513024][  T876] CR2: 000000003f4c0988 CR3: 0000000014d78006 CR4: 0000000000771ef0
[   35.513222][  T876] PKRU: 55555554
[   35.513317][  T876] Call Trace:
[   35.513413][  T876]  <TASK>
[   35.513479][  T876]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.513612][  T876]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.513716][  T876]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   35.513844][  T876]  __dev_notify_flags (net/core/dev.c:9787)
[   35.513974][  T876]  ? netif_change_name (net/core/dev.c:1495)
[   35.514102][  T876]  ? __dev_change_flags (net/core/dev.c:9752)
[   35.514236][  T876]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   35.514364][  T876]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.514494][  T876]  ? 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))
[   35.514626][  T876]  netif_change_flags (net/core/dev.c:9820)
[   35.514759][  T876]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   35.514888][  T876]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   35.515018][  T876]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   35.515153][  T876]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   35.515313][  T876]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.515442][  T876]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.515572][  T876]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.515705][  T876]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.515833][  T876]  ? __kernel_text_address (kernel/extable.c:79)
[   35.515965][  T876]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.516097][  T876]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.516232][  T876]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   35.516363][  T876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.516495][  T876]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.516627][  T876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.516760][  T876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.516891][  T876]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   35.517023][  T876]  ? __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)
[   35.517156][  T876]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   35.517284][  T876]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   35.517414][  T876]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   35.517548][  T876]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   35.517686][  T876]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   35.517817][  T876]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.517946][  T876]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.518075][  T876]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.518209][  T876]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.518337][  T876]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.518469][  T876]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.518601][  T876]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.518736][  T876]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.518864][  T876]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.518995][  T876]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.519129][  T876]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.519259][  T876]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.519387][  T876]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.519516][  T876]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.519647][  T876]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.519782][  T876]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.519911][  T876]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.520041][  T876]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.520177][  T876]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.520310][  T876]  ? 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))
[   35.520439][  T876]  ? 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))
[   35.520575][  T876]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.520712][  T876]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.520843][  T876]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.520973][  T876]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.521104][  T876]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.521241][  T876]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.521370][  T876]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.521500][  T876]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.521634][  T876]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.521799][  T876]  ? move_addr_to_kernel (net/socket.c:258)
[   35.521929][  T876]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.522058][  T876]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.522193][  T876]  ___sys_sendmsg (net/socket.c:2752)
[   35.522321][  T876]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   35.522481][  T876]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.522623][  T876]  __sys_sendmsg (net/socket.c:2784)
[   35.522757][  T876]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.522887][  T876]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   35.523051][  T876]  ? 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)
[   35.523187][  T876]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.523316][  T876]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.523443][  T876]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.523576][  T876]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.523710][  T876]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.523871][  T876] RIP: 0033:0x7f31bd23f08e
[   35.524007][  T876] 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
[   35.524470][  T876] RSP: 002b:00007ffc6f5a3810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.524675][  T876] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f31bd23f08e
[   35.524870][  T876] RDX: 0000000000000000 RSI: 00007ffc6f5a38c0 RDI: 0000000000000005
[   35.525061][  T876] RBP: 00007ffc6f5a3820 R08: 0000000000000000 R09: 0000000000000000
[   35.525257][  T876] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84d
[   35.525450][  T876] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc6f5a3f80
| [   35.527845][   T39] ------------[ cut here ]------------
| [   35.527975][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/39
| [   35.528220][   T39] Modules linked in: xfrm_user nf_tables
| [   35.528621][   T39] Tainted: [W]=WARN
[   35.528718][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.528867][   T39] Workqueue: events_unbound linkwatch_event
[   35.529020][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.529178][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   35.529603][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   35.529768][   T39] RAX: 00000000ffffffa6 RBX: ff1100000c960200 RCX: 1ff4000000057f02
[   35.529948][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9602bc
[   35.530138][   T39] RBP: ff11000014c21000 R08: 1fe220000192c059 R09: ff11000001da51a8
[   35.530314][   T39] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   35.530491][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.530679][   T39] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   35.530886][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.531035][   T39] CR2: 000055d401a1e8b0 CR3: 000000000d4c8006 CR4: 0000000000771ef0
[   35.531218][   T39] PKRU: 55555554
[   35.531307][   T39] Call Trace:
[   35.531396][   T39]  <TASK>
[   35.531462][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.531586][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   35.531715][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.531806][   T39]  netif_state_change (net/core/dev.c:1605)
[   35.531928][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   35.532077][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   35.532199][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   35.532317][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.532439][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   35.532561][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   35.532687][   T39]  process_one_work (kernel/workqueue.c:3314)
[   35.532812][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.532930][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.533054][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.533181][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.533299][   T39]  kthread (kernel/kthread.c:436)
[   35.533388][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.533541][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.533665][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.533787][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.533934][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.534053][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.534177][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.720632][  T884] ------------[ cut here ]------------
| [   35.720794][  T884] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/884
| [   35.721029][  T884] Modules linked in: xfrm_user nf_tables
| [   35.721447][  T884] Tainted: [W]=WARN
[   35.721551][  T884] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.721726][  T884] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.721901][  T884] 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
[   35.722379][  T884] RSP: 0018:ffa0000000f96e30 EFLAGS: 00010286
[   35.722550][  T884] RAX: 00000000ffffffa6 RBX: ff1100000dda8040 RCX: 1ff40000001f2d8c
[   35.722756][  T884] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda80fc
[   35.722956][  T884] RBP: ff1100000fba9000 R08: 1fe2200001bb5021 R09: ff110000100f0b80
[   35.723160][  T884] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.723358][  T884] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000094af180
[   35.723564][  T884] FS:  00007fe40080d840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   35.723799][  T884] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.723967][  T884] CR2: 00000000004eb188 CR3: 000000000b4be004 CR4: 0000000000771ef0
[   35.724250][  T884] PKRU: 55555554
[   35.724351][  T884] Call Trace:
[   35.724452][  T884]  <TASK>
[   35.724527][  T884]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.724667][  T884]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.724803][  T884]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.724904][  T884]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   35.725040][  T884]  __dev_notify_flags (net/core/dev.c:9787)
[   35.725180][  T884]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   35.725314][  T884]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   35.725447][  T884]  ? netif_change_name (net/core/dev.c:1495)
[   35.725581][  T884]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   35.726094][  T884]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.726234][  T884]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.726368][  T884]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.726507][  T884]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.726642][  T884]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   35.726782][  T884]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   35.726916][  T884]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   35.727049][  T884]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   35.727190][  T884]  veth_newlink (drivers/net/veth.c:1871)
[   35.727324][  T884]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   35.727457][  T884]  ? kasan_save_stack (mm/kasan/common.c:57)
[   35.727596][  T884]  ? kasan_save_track (mm/kasan/common.c:78)
[   35.727732][  T884]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   35.727883][  T884]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   35.728017][  T884]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   35.728158][  T884]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   35.728292][  T884]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   35.728428][  T884]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   35.728567][  T884]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   35.728709][  T884]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   35.728844][  T884]  ? __dev_get_by_name (net/core/dev.c:883)
[   35.728978][  T884]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   35.729124][  T884]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   35.729263][  T884]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   35.729398][  T884]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.729534][  T884]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.729669][  T884]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.729802][  T884]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.729934][  T884]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.730070][  T884]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.730213][  T884]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.730347][  T884]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.730483][  T884]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.730618][  T884]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.730756][  T884]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.730891][  T884]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.731025][  T884]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.731165][  T884]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.731300][  T884]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.731435][  T884]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.731577][  T884]  ? 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))
[   35.731714][  T884]  ? 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))
[   35.731850][  T884]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.731986][  T884]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.732126][  T884]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.732262][  T884]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.732397][  T884]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.732536][  T884]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.732679][  T884]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.732814][  T884]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.732947][  T884]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.733119][  T884]  ? move_addr_to_kernel (net/socket.c:258)
[   35.733257][  T884]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.733390][  T884]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   35.733530][  T884]  ___sys_sendmsg (net/socket.c:2752)
[   35.733667][  T884]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   35.733802][  T884]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.733940][  T884]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   35.734078][  T884]  ? 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))
[   35.734221][  T884]  __sys_sendmsg (net/socket.c:2784)
[   35.734355][  T884]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.734493][  T884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.734632][  T884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.734771][  T884]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.734906][  T884]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.735040][  T884]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.735178][  T884]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.735344][  T884] RIP: 0033:0x7fe400a4708e
[   35.735485][  T884] 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
[   35.735968][  T884] RSP: 002b:00007ffef338e580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.736179][  T884] RAX: ffffffffffffffda RBX: 00007ffef338ed18 RCX: 00007fe400a4708e
[   35.736381][  T884] RDX: 0000000000000000 RSI: 00007ffef338e630 RDI: 0000000000000005
[   35.736583][  T884] RBP: 00007ffef338e590 R08: 0000000000000000 R09: 0000000000000000
[   35.736788][  T884] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84d
[   35.736987][  T884] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef338ecf0
| [   35.744591][  T884] ------------[ cut here ]------------
| [   35.745238][  T884] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/884
| [   35.745474][  T884] Modules linked in: xfrm_user nf_tables
| [   35.746256][  T884] Tainted: [W]=WARN
[   35.746359][  T884] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.746529][  T884] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.746759][  T884] 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
[   35.747236][  T884] RSP: 0018:ffa0000000f971b0 EFLAGS: 00010286
[   35.747403][  T884] RAX: 00000000ffffffa6 RBX: ff1100000e955540 RCX: 1ff40000001f2dfc
[   35.747603][  T884] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e9555fc
[   35.747858][  T884] RBP: ff1100000e4f1000 R08: 1fe2200001d2aac1 R09: ff110000100f0b80
[   35.748056][  T884] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.748256][  T884] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   35.748454][  T884] FS:  00007fe40080d840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   35.748749][  T884] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.748916][  T884] CR2: 00000000004eb188 CR3: 000000000b4be004 CR4: 0000000000771ef0
[   35.749120][  T884] PKRU: 55555554
[   35.749222][  T884] Call Trace:
[   35.749322][  T884]  <TASK>
[   35.749391][  T884]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.749531][  T884]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.749633][  T884]  __dev_notify_flags (net/core/dev.c:9787)
[   35.749826][  T884]  ? netif_change_name (net/core/dev.c:1495)
[   35.749960][  T884]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   35.750093][  T884]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   35.750234][  T884]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   35.750369][  T884]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   35.750508][  T884]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   35.750642][  T884]  ? __dev_get_by_name (net/core/dev.c:883)
[   35.750830][  T884]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   35.750968][  T884]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   35.751105][  T884]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   35.751246][  T884]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.751377][  T884]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.751513][  T884]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.751647][  T884]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.751835][  T884]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.751972][  T884]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.752105][  T884]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.752244][  T884]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.752376][  T884]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.752512][  T884]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.752644][  T884]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.752837][  T884]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.752969][  T884]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.753103][  T884]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.753240][  T884]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.753373][  T884]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.753513][  T884]  ? 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))
[   35.753644][  T884]  ? 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))
[   35.753835][  T884]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.753970][  T884]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.754104][  T884]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.754244][  T884]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.754378][  T884]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.754516][  T884]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.754707][  T884]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.754841][  T884]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.754975][  T884]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.755142][  T884]  ? move_addr_to_kernel (net/socket.c:258)
[   35.755275][  T884]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.755408][  T884]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   35.755545][  T884]  ___sys_sendmsg (net/socket.c:2752)
[   35.755735][  T884]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   35.755868][  T884]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.756005][  T884]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   35.756149][  T884]  ? 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))
[   35.756283][  T884]  __sys_sendmsg (net/socket.c:2784)
[   35.756417][  T884]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.756555][  T884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.756743][  T884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.756878][  T884]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.757010][  T884]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.757152][  T884]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.757285][  T884]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.757449][  T884] RIP: 0033:0x7fe400a4708e
[   35.757590][  T884] 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
[   35.758124][  T884] RSP: 002b:00007ffef338e580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.758324][  T884] RAX: ffffffffffffffda RBX: 00007ffef338ed18 RCX: 00007fe400a4708e
[   35.758524][  T884] RDX: 0000000000000000 RSI: 00007ffef338e630 RDI: 0000000000000005
[   35.758779][  T884] RBP: 00007ffef338e590 R08: 0000000000000000 R09: 0000000000000000
[   35.758976][  T884] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84d
[   35.759181][  T884] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef338ecf0
| [   35.868170][  T888] ------------[ cut here ]------------
| [   35.868354][  T888] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/888
| [   35.868638][  T888] Modules linked in: xfrm_user nf_tables
| [   35.869853][  T888] Tainted: [W]=WARN
[   35.870003][  T888] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.870222][  T888] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.870441][  T888] 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
[   35.870966][  T888] RSP: 0018:ffa00000011d7020 EFLAGS: 00010286
[   35.871186][  T888] RAX: 00000000ffffffa6 RBX: ff1100001246f540 RCX: 1ff400000023adca
[   35.871428][  T888] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246f5fc
[   35.871688][  T888] RBP: ff1100000e4f1000 R08: 1fe220000248dec1 R09: ff11000009c5d158
[   35.871925][  T888] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   35.872172][  T888] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   35.872414][  T888] FS:  00007fe5ad71d840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   35.872705][  T888] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.872916][  T888] CR2: 000000003d2c7988 CR3: 00000000120d6005 CR4: 0000000000771ef0
[   35.873162][  T888] PKRU: 55555554
[   35.873307][  T888] Call Trace:
[   35.873455][  T888]  <TASK>
[   35.873580][  T888]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.873771][  T888]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.873919][  T888]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   35.874095][  T888]  __dev_notify_flags (net/core/dev.c:9787)
[   35.874285][  T888]  ? netif_change_name (net/core/dev.c:1495)
[   35.874463][  T888]  ? __dev_change_flags (net/core/dev.c:9752)
[   35.874665][  T888]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   35.874846][  T888]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.875027][  T888]  ? 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))
[   35.875218][  T888]  netif_change_flags (net/core/dev.c:9820)
[   35.875397][  T888]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   35.875583][  T888]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   35.875775][  T888]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   35.875955][  T888]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   35.876177][  T888]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.876356][  T888]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.876538][  T888]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.876730][  T888]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.876907][  T888]  ? __kernel_text_address (kernel/extable.c:79)
[   35.877086][  T888]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.877278][  T888]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.877454][  T888]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   35.877641][  T888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.877831][  T888]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.878007][  T888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.878193][  T888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.878373][  T888]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   35.878563][  T888]  ? __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)
[   35.878753][  T888]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   35.878932][  T888]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   35.879120][  T888]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   35.879301][  T888]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   35.879482][  T888]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   35.879678][  T888]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.879855][  T888]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.880034][  T888]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.880222][  T888]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.880400][  T888]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.880587][  T888]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.880781][  T888]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.880963][  T888]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.881148][  T888]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.881330][  T888]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.881510][  T888]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.881705][  T888]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.881884][  T888]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.882063][  T888]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.882251][  T888]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.882429][  T888]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.882618][  T888]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.882806][  T888]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.882986][  T888]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.883175][  T888]  ? 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))
[   35.883355][  T888]  ? 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))
[   35.883542][  T888]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.883737][  T888]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.883915][  T888]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.884129][  T888]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.884310][  T888]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.884489][  T888]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.884693][  T888]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.884873][  T888]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.885051][  T888]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.885269][  T888]  ? move_addr_to_kernel (net/socket.c:258)
[   35.885451][  T888]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.885638][  T888]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.885831][  T888]  ___sys_sendmsg (net/socket.c:2752)
[   35.886010][  T888]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   35.886225][  T888]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.886417][  T888]  __sys_sendmsg (net/socket.c:2784)
[   35.886606][  T888]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.886795][  T888]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   35.887010][  T888]  ? 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)
[   35.887198][  T888]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.887385][  T888]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.887573][  T888]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.887764][  T888]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.887944][  T888]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.888160][  T888] RIP: 0033:0x7fe5ad95708e
[   35.888343][  T888] 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
[   35.888874][  T888] RSP: 002b:00007ffcebe261c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.889125][  T888] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe5ad95708e
[   35.889365][  T888] RDX: 0000000000000000 RSI: 00007ffcebe26270 RDI: 0000000000000005
[   35.889614][  T888] RBP: 00007ffcebe261d0 R08: 0000000000000000 R09: 0000000000000000
[   35.889869][  T888] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84e
[   35.890108][  T888] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcebe26930
| [   35.986716][  T892] ------------[ cut here ]------------
| [   35.986864][  T892] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/892
| [   35.987094][  T892] Modules linked in: xfrm_user nf_tables
| [   35.987501][  T892] Tainted: [W]=WARN
[   35.987602][  T892] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.987952][  T892] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.988130][  T892] 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
[   35.988598][  T892] RSP: 0018:ffa00000011e7020 EFLAGS: 00010286
[   35.988842][  T892] RAX: 00000000ffffffa6 RBX: ff1100000b59cac0 RCX: 1ff400000023cdca
[   35.989038][  T892] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b59cb7c
[   35.989239][  T892] RBP: ff1100000fba9000 R08: 1fe22000016b3971 R09: ff1100000abb8b58
[   35.989433][  T892] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   35.989630][  T892] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   35.989916][  T892] FS:  00007fa63bf0e840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   35.990149][  T892] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.990311][  T892] CR2: 0000000013395988 CR3: 000000000502b001 CR4: 0000000000771ef0
[   35.990509][  T892] PKRU: 55555554
[   35.990607][  T892] Call Trace:
[   35.990789][  T892]  <TASK>
[   35.990857][  T892]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.990990][  T892]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.991088][  T892]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   35.991222][  T892]  __dev_notify_flags (net/core/dev.c:9787)
[   35.991353][  T892]  ? netif_change_name (net/core/dev.c:1495)
[   35.991482][  T892]  ? __dev_change_flags (net/core/dev.c:9752)
[   35.991615][  T892]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   35.991832][  T892]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.991964][  T892]  ? 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))
[   35.992094][  T892]  netif_change_flags (net/core/dev.c:9820)
[   35.992229][  T892]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   35.992359][  T892]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   35.992492][  T892]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   35.992627][  T892]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   35.992843][  T892]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.992972][  T892]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.993102][  T892]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.993234][  T892]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.993364][  T892]  ? __kernel_text_address (kernel/extable.c:79)
[   35.993495][  T892]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.993630][  T892]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.993815][  T892]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   35.993947][  T892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.994077][  T892]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.994210][  T892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.994339][  T892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.994469][  T892]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   35.994603][  T892]  ? __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)
[   35.994788][  T892]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   35.994919][  T892]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   35.995049][  T892]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   35.995185][  T892]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   35.995317][  T892]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   35.995449][  T892]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.995579][  T892]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.995765][  T892]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.995895][  T892]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.996025][  T892]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.996161][  T892]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.996291][  T892]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.996421][  T892]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.996556][  T892]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.996707][  T892]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.996837][  T892]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.996967][  T892]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.997096][  T892]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.997230][  T892]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.997362][  T892]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.997491][  T892]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.997626][  T892]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.997760][  T892]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.997892][  T892]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.998025][  T892]  ? 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))
[   35.998160][  T892]  ? 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))
[   35.998291][  T892]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.998422][  T892]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.998557][  T892]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.998694][  T892]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.998826][  T892]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.998956][  T892]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.999090][  T892]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.999223][  T892]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.999353][  T892]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.999515][  T892]  ? move_addr_to_kernel (net/socket.c:258)
[   35.999646][  T892]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.999781][  T892]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.999913][  T892]  ___sys_sendmsg (net/socket.c:2752)
[   36.000043][  T892]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   36.000211][  T892]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.000354][  T892]  __sys_sendmsg (net/socket.c:2784)
[   36.000483][  T892]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.000614][  T892]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   36.000784][  T892]  ? 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)
[   36.000914][  T892]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.001045][  T892]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.001181][  T892]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.001311][  T892]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.001443][  T892]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.001606][  T892] RIP: 0033:0x7fa63c14808e
[   36.001748][  T892] 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
[   36.002219][  T892] RSP: 002b:00007ffe99922fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.002415][  T892] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa63c14808e
[   36.002610][  T892] RDX: 0000000000000000 RSI: 00007ffe99923060 RDI: 0000000000000005
[   36.002808][  T892] RBP: 00007ffe99922fc0 R08: 0000000000000000 R09: 0000000000000000
[   36.003004][  T892] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84e
[   36.003202][  T892] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe99923720
| [   36.005514][   T36] ------------[ cut here ]------------
| [   36.005645][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   36.005956][   T36] Modules linked in: xfrm_user nf_tables
| [   36.006358][   T36] Tainted: [W]=WARN
[   36.006448][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.006605][   T36] Workqueue: events_unbound linkwatch_event
[   36.006766][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.006922][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   36.007354][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   36.007507][   T36] RAX: 00000000ffffffa6 RBX: ff1100000fee4200 RCX: 1ff4000000051f02
[   36.007692][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fee42bc
[   36.007872][   T36] RBP: ff1100000fba9000 R08: 1fe2200001fdc859 R09: ff11000001d751a8
[   36.008056][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   36.008241][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   36.008421][   T36] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   36.008634][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.008796][   T36] CR2: 000055d401a12140 CR3: 000000000d4c8003 CR4: 0000000000771ef0
[   36.008975][   T36] PKRU: 55555554
[   36.009066][   T36] Call Trace:
[   36.009159][   T36]  <TASK>
[   36.009223][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.009342][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.009462][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.009559][   T36]  netif_state_change (net/core/dev.c:1605)
[   36.009685][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   36.009837][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   36.009957][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   36.010077][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.010204][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   36.010321][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   36.010443][   T36]  process_one_work (kernel/workqueue.c:3314)
[   36.010574][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   36.010697][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.010822][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   36.010946][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   36.011065][   T36]  kthread (kernel/kthread.c:436)
[   36.011161][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.011314][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.011434][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   36.011558][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   36.011714][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   36.011834][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.011953][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   36.013827][   T36] ------------[ cut here ]------------
| [   36.014017][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   36.014257][   T36] Modules linked in: xfrm_user nf_tables
| [   36.014664][   T36] Tainted: [W]=WARN
[   36.014755][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.014903][   T36] Workqueue: events_unbound linkwatch_event
[   36.015056][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.015214][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   36.015648][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   36.015803][   T36] RAX: 00000000ffffffa6 RBX: ff1100000e65e900 RCX: 1ff4000000051f02
[   36.015979][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e65e9bc
[   36.016162][   T36] RBP: ff1100000e4f1000 R08: 1fe2200001ccbd39 R09: ff11000001d751a8
[   36.016339][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   36.016518][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   36.016715][   T36] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   36.016926][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.017074][   T36] CR2: 000055d401a12140 CR3: 000000000d4c8003 CR4: 0000000000771ef0
[   36.017259][   T36] PKRU: 55555554
[   36.017352][   T36] Call Trace:
[   36.017440][   T36]  <TASK>
[   36.017505][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.017625][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.017799][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.017891][   T36]  netif_state_change (net/core/dev.c:1605)
[   36.018010][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   36.018171][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   36.018289][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   36.018409][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.018534][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   36.018702][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   36.018822][   T36]  process_one_work (kernel/workqueue.c:3314)
[   36.018944][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   36.019064][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.019192][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   36.019315][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   36.019433][   T36]  kthread (kernel/kthread.c:436)
[   36.019527][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.019726][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.019845][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   36.020008][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   36.020160][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   36.020279][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.020398][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   36.204575][  T900] ------------[ cut here ]------------
| [   36.204739][  T900] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/900
| [   36.204978][  T900] Modules linked in: xfrm_user nf_tables
| [   36.205401][  T900] Tainted: [W]=WARN
[   36.205505][  T900] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.205682][  T900] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.205861][  T900] 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
[   36.206344][  T900] RSP: 0018:ffa0000001226e30 EFLAGS: 00010286
[   36.206516][  T900] RAX: 00000000ffffffa6 RBX: ff1100001246fa80 RCX: 1ff4000000244d8c
[   36.206723][  T900] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246fb3c
[   36.206923][  T900] RBP: ff110000058d4000 R08: 1fe220000248df69 R09: ff1100000e768b80
[   36.207128][  T900] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   36.207329][  T900] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000124bc080
[   36.207536][  T900] FS:  00007f6a0ed64840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   36.207777][  T900] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.207946][  T900] CR2: 00000000004eb188 CR3: 000000000e93d004 CR4: 0000000000771ef0
[   36.208153][  T900] PKRU: 55555554
[   36.208254][  T900] Call Trace:
[   36.208355][  T900]  <TASK>
[   36.208426][  T900]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.208566][  T900]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.208708][  T900]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.208810][  T900]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   36.208944][  T900]  __dev_notify_flags (net/core/dev.c:9787)
[   36.209079][  T900]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   36.209219][  T900]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   36.209353][  T900]  ? netif_change_name (net/core/dev.c:1495)
[   36.209488][  T900]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.209626][  T900]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.209765][  T900]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.209899][  T900]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.210033][  T900]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.210174][  T900]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   36.210309][  T900]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   36.210443][  T900]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   36.210580][  T900]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   36.210722][  T900]  veth_newlink (drivers/net/veth.c:1871)
[   36.210859][  T900]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   36.210992][  T900]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.211132][  T900]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.211266][  T900]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   36.211417][  T900]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   36.211554][  T900]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   36.211695][  T900]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   36.211830][  T900]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   36.211966][  T900]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   36.212102][  T900]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   36.212244][  T900]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   36.212378][  T900]  ? __dev_get_by_name (net/core/dev.c:883)
[   36.212515][  T900]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   36.212661][  T900]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   36.212800][  T900]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.212936][  T900]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.213070][  T900]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.213209][  T900]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.213343][  T900]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.213478][  T900]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.213621][  T900]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.213763][  T900]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.213898][  T900]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.214032][  T900]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.214194][  T900]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.214327][  T900]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.214464][  T900]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.214602][  T900]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.214744][  T900]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.214881][  T900]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.215019][  T900]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.215164][  T900]  ? 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))
[   36.215302][  T900]  ? 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))
[   36.215439][  T900]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.215582][  T900]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.215726][  T900]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.215863][  T900]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.215997][  T900]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.216140][  T900]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.216277][  T900]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.216412][  T900]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.216549][  T900]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.216723][  T900]  ? move_addr_to_kernel (net/socket.c:258)
[   36.216860][  T900]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.216995][  T900]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   36.217136][  T900]  ___sys_sendmsg (net/socket.c:2752)
[   36.217271][  T900]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   36.217407][  T900]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.217550][  T900]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   36.217695][  T900]  ? 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))
[   36.217831][  T900]  __sys_sendmsg (net/socket.c:2784)
[   36.217966][  T900]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.218104][  T900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.218245][  T900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.218381][  T900]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.218521][  T900]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.218662][  T900]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.218796][  T900]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.218965][  T900] RIP: 0033:0x7f6a0ef9e08e
[   36.219107][  T900] 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
[   36.219594][  T900] RSP: 002b:00007ffd46038b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.219800][  T900] RAX: ffffffffffffffda RBX: 00007ffd46039318 RCX: 00007f6a0ef9e08e
[   36.220003][  T900] RDX: 0000000000000000 RSI: 00007ffd46038c30 RDI: 0000000000000005
[   36.220209][  T900] RBP: 00007ffd46038b90 R08: 0000000000000000 R09: 0000000000000000
[   36.220410][  T900] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84e
[   36.220615][  T900] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd460392f0
| [   36.238204][  T900] ------------[ cut here ]------------
| [   36.238347][  T900] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/900
| [   36.238580][  T900] Modules linked in: xfrm_user nf_tables
| [   36.238996][  T900] Tainted: [W]=WARN
[   36.239097][  T900] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.239270][  T900] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.239445][  T900] 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
[   36.239926][  T900] RSP: 0018:ffa00000012271b0 EFLAGS: 00010286
[   36.240096][  T900] RAX: 00000000ffffffa6 RBX: ff11000004f6a3c0 RCX: 1ff4000000244dfc
[   36.240301][  T900] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004f6a47c
[   36.240499][  T900] RBP: ff1100000f3a1000 R08: 1fe22000009ed491 R09: ff1100000e768b80
[   36.240704][  T900] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   36.240903][  T900] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   36.241103][  T900] FS:  00007f6a0ed64840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   36.241342][  T900] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.241515][  T900] CR2: 00000000004eb188 CR3: 000000000e93d004 CR4: 0000000000771ef0
[   36.242030][  T900] PKRU: 55555554
[   36.242137][  T900] Call Trace:
[   36.242238][  T900]  <TASK>
[   36.242306][  T900]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.242443][  T900]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.242547][  T900]  __dev_notify_flags (net/core/dev.c:9787)
[   36.242688][  T900]  ? netif_change_name (net/core/dev.c:1495)
[   36.242823][  T900]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   36.242958][  T900]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   36.243093][  T900]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   36.243234][  T900]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   36.243370][  T900]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   36.243509][  T900]  ? __dev_get_by_name (net/core/dev.c:883)
[   36.243642][  T900]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   36.243787][  T900]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   36.243926][  T900]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.244061][  T900]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.244200][  T900]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.244334][  T900]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.244468][  T900]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.244604][  T900]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.244747][  T900]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.244881][  T900]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.245015][  T900]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.245156][  T900]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.245290][  T900]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.245421][  T900]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.245561][  T900]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.245699][  T900]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.245834][  T900]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.245967][  T900]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.246101][  T900]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.246244][  T900]  ? 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))
[   36.246376][  T900]  ? 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))
[   36.246515][  T900]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.246650][  T900]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.246791][  T900]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.246925][  T900]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.247060][  T900]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.247200][  T900]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.247336][  T900]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.247470][  T900]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.247608][  T900]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.247780][  T900]  ? move_addr_to_kernel (net/socket.c:258)
[   36.247915][  T900]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.248047][  T900]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   36.248187][  T900]  ___sys_sendmsg (net/socket.c:2752)
[   36.248319][  T900]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   36.248452][  T900]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.248594][  T900]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   36.248735][  T900]  ? 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))
[   36.248871][  T900]  __sys_sendmsg (net/socket.c:2784)
[   36.249021][  T900]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.249165][  T900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.249297][  T900]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.249432][  T900]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.249570][  T900]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.249711][  T900]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.249845][  T900]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.250013][  T900] RIP: 0033:0x7f6a0ef9e08e
[   36.250158][  T900] 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
[   36.250636][  T900] RSP: 002b:00007ffd46038b80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.250846][  T900] RAX: ffffffffffffffda RBX: 00007ffd46039318 RCX: 00007f6a0ef9e08e
[   36.251043][  T900] RDX: 0000000000000000 RSI: 00007ffd46038c30 RDI: 0000000000000005
[   36.251246][  T900] RBP: 00007ffd46038b90 R08: 0000000000000000 R09: 0000000000000000
[   36.251442][  T900] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84e
[   36.251643][  T900] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd460392f0
| [   36.292736][   T73] ------------[ cut here ]------------
| [   36.292872][   T73] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 2/73
| [   36.293162][   T73] Modules linked in: xfrm_user nf_tables
| [   36.293583][   T73] Tainted: [W]=WARN
[   36.293694][   T73] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.293844][   T73] Workqueue: events_unbound linkwatch_event
[   36.293996][   T73] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.294157][   T73] 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
[   36.294587][   T73] RSP: 0018:ffa00000004e79e0 EFLAGS: 00010286
[   36.294752][   T73] RAX: 00000000ffffffa6 RBX: ff1100000e65eac0 RCX: 1ff400000009cf02
[   36.294929][   T73] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e65eb7c
[   36.295110][   T73] RBP: ff11000014c24000 R08: 1fe2200001ccbd71 R09: ff11000009c58ba8
[   36.295289][   T73] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   36.295465][   T73] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   36.295645][   T73] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   36.295912][   T73] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.296061][   T73] CR2: 000055d401a1a528 CR3: 000000004994d006 CR4: 0000000000771ef0
[   36.296242][   T73] PKRU: 55555554
[   36.296329][   T73] Call Trace:
[   36.296418][   T73]  <TASK>
[   36.296480][   T73]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.296602][   T73]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.296756][   T73]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.296847][   T73]  netif_state_change (net/core/dev.c:1605)
[   36.296967][   T73]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   36.297121][   T73]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   36.297240][   T73]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   36.297359][   T73]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.297481][   T73]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   36.297603][   T73]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   36.297727][   T73]  process_one_work (kernel/workqueue.c:3314)
[   36.297850][   T73]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   36.297968][   T73]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.298091][   T73]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   36.298217][   T73]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   36.298336][   T73]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   36.298457][   T73]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   36.298580][   T73]  kthread (kernel/kthread.c:436)
[   36.298677][   T73]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.298823][   T73]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.298943][   T73]  ret_from_fork (arch/x86/kernel/process.c:158)
[   36.299063][   T73]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   36.299214][   T73]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   36.299335][   T73]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.299453][   T73]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   36.369207][  T904] ------------[ cut here ]------------
| [   36.369353][  T904] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/904
| [   36.369582][  T904] Modules linked in: xfrm_user nf_tables
| [   36.369990][  T904] Tainted: [W]=WARN
[   36.370089][  T904] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.370258][  T904] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.370427][  T904] 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
[   36.370907][  T904] RSP: 0018:ffa00000012b7020 EFLAGS: 00010286
[   36.371069][  T904] RAX: 00000000ffffffa6 RBX: ff1100000e955c40 RCX: 1ff4000000256dca
[   36.371267][  T904] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e955cfc
[   36.371460][  T904] RBP: ff1100000f3a1000 R08: 1fe2200001d2aba1 R09: ff1100000ebbae58
[   36.371664][  T904] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   36.371857][  T904] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   36.372053][  T904] FS:  00007f3910a40840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   36.372286][  T904] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.372448][  T904] CR2: 00007f3910d101a0 CR3: 000000000fcc6001 CR4: 0000000000771ef0
[   36.372645][  T904] PKRU: 55555554
[   36.372748][  T904] Call Trace:
[   36.372845][  T904]  <TASK>
[   36.372915][  T904]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.373046][  T904]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.373151][  T904]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   36.373279][  T904]  __dev_notify_flags (net/core/dev.c:9787)
[   36.373411][  T904]  ? netif_change_name (net/core/dev.c:1495)
[   36.373545][  T904]  ? __dev_change_flags (net/core/dev.c:9752)
[   36.373682][  T904]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   36.373814][  T904]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.373943][  T904]  ? 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))
[   36.374076][  T904]  netif_change_flags (net/core/dev.c:9820)
[   36.374213][  T904]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   36.374342][  T904]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   36.374473][  T904]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   36.374607][  T904]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   36.375253][  T904]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.375385][  T904]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.375516][  T904]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.375644][  T904]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.375780][  T904]  ? __kernel_text_address (kernel/extable.c:79)
[   36.375911][  T904]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.376044][  T904]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.376179][  T904]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.376310][  T904]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.376439][  T904]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.376572][  T904]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.376707][  T904]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.376836][  T904]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   36.376968][  T904]  ? __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)
[   36.377098][  T904]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   36.377232][  T904]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.377361][  T904]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   36.377494][  T904]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   36.377630][  T904]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.377765][  T904]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.377894][  T904]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.378023][  T904]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.378158][  T904]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.378287][  T904]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.378419][  T904]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.378548][  T904]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.378686][  T904]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.378815][  T904]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.378947][  T904]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.379079][  T904]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.379212][  T904]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.379341][  T904]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.379470][  T904]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.379604][  T904]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.379739][  T904]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.379869][  T904]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.379999][  T904]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.380133][  T904]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.380268][  T904]  ? 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))
[   36.380396][  T904]  ? 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))
[   36.380533][  T904]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.380668][  T904]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.380801][  T904]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.380932][  T904]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.381064][  T904]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.381202][  T904]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.381333][  T904]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.381462][  T904]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.381595][  T904]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.381760][  T904]  ? move_addr_to_kernel (net/socket.c:258)
[   36.381892][  T904]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.382022][  T904]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.382160][  T904]  ___sys_sendmsg (net/socket.c:2752)
[   36.382290][  T904]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   36.382451][  T904]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.382595][  T904]  __sys_sendmsg (net/socket.c:2784)
[   36.382730][  T904]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.382860][  T904]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   36.383024][  T904]  ? 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)
[   36.383159][  T904]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.383291][  T904]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.383422][  T904]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.383556][  T904]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.383693][  T904]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.383853][  T904] RIP: 0033:0x7f3910c7a08e
[   36.383989][  T904] 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
[   36.384454][  T904] RSP: 002b:00007fff90448c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.384660][  T904] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3910c7a08e
[   36.384855][  T904] RDX: 0000000000000000 RSI: 00007fff90448cb0 RDI: 0000000000000005
[   36.385049][  T904] RBP: 00007fff90448c10 R08: 0000000000000000 R09: 0000000000000000
[   36.385246][  T904] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84e
[   36.385437][  T904] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff90449370
| [   36.492397][  T908] ------------[ cut here ]------------
| [   36.492552][  T908] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/908
| [   36.492791][  T908] Modules linked in: xfrm_user nf_tables
| [   36.493193][  T908] Tainted: [W]=WARN
[   36.493292][  T908] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.493452][  T908] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.493625][  T908] 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
[   36.494092][  T908] RSP: 0018:ffa0000001277020 EFLAGS: 00010286
[   36.494260][  T908] RAX: 00000000ffffffa6 RBX: ff1100000e65f540 RCX: 1ff400000024edca
[   36.494459][  T908] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e65f5fc
[   36.494667][  T908] RBP: ff110000058d4000 R08: 1fe2200001ccbec1 R09: ff1100000f87d158
[   36.494858][  T908] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   36.495051][  T908] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   36.495252][  T908] FS:  00007f4db031d840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   36.495477][  T908] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.495642][  T908] CR2: 0000000035ced988 CR3: 0000000015421006 CR4: 0000000000771ef0
[   36.495842][  T908] PKRU: 55555554
[   36.495939][  T908] Call Trace:
[   36.496035][  T908]  <TASK>
[   36.496102][  T908]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.496244][  T908]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.496344][  T908]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   36.496473][  T908]  __dev_notify_flags (net/core/dev.c:9787)
[   36.496607][  T908]  ? netif_change_name (net/core/dev.c:1495)
[   36.496744][  T908]  ? __dev_change_flags (net/core/dev.c:9752)
[   36.496874][  T908]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   36.497003][  T908]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.497140][  T908]  ? 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))
[   36.497271][  T908]  netif_change_flags (net/core/dev.c:9820)
[   36.497400][  T908]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   36.497532][  T908]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   36.497667][  T908]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   36.497798][  T908]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   36.497962][  T908]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.498089][  T908]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.498222][  T908]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.498350][  T908]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.498479][  T908]  ? __kernel_text_address (kernel/extable.c:79)
[   36.498609][  T908]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.498747][  T908]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.498875][  T908]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.499005][  T908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.499138][  T908]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.499266][  T908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.499393][  T908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.499527][  T908]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   36.499662][  T908]  ? __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)
[   36.499793][  T908]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   36.499921][  T908]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.500051][  T908]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   36.500187][  T908]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   36.500320][  T908]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.500449][  T908]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.500578][  T908]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.500801][  T908]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.501000][  T908]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.501134][  T908]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.501266][  T908]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.501393][  T908]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.501526][  T908]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.501730][  T908]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.501861][  T908]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.501992][  T908]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.502125][  T908]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.502253][  T908]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.502380][  T908]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.502513][  T908]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.502642][  T908]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.502839][  T908]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.502968][  T908]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.503097][  T908]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.503234][  T908]  ? 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))
[   36.503362][  T908]  ? 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))
[   36.503493][  T908]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.503628][  T908]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.503829][  T908]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.503960][  T908]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.504090][  T908]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.504225][  T908]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.504353][  T908]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.504481][  T908]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.504611][  T908]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.504835][  T908]  ? move_addr_to_kernel (net/socket.c:258)
[   36.504965][  T908]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.505094][  T908]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.505231][  T908]  ___sys_sendmsg (net/socket.c:2752)
[   36.505358][  T908]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   36.505521][  T908]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.505747][  T908]  __sys_sendmsg (net/socket.c:2784)
[   36.505876][  T908]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.506003][  T908]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   36.506171][  T908]  ? 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)
[   36.506301][  T908]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.506431][  T908]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.506563][  T908]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.506718][  T908]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.506845][  T908]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.507003][  T908] RIP: 0033:0x7f4db055708e
[   36.507144][  T908] 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
[   36.507606][  T908] RSP: 002b:00007ffcfd6c4190 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.507804][  T908] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4db055708e
[   36.507995][  T908] RDX: 0000000000000000 RSI: 00007ffcfd6c4240 RDI: 0000000000000005
[   36.508191][  T908] RBP: 00007ffcfd6c41a0 R08: 0000000000000000 R09: 0000000000000000
[   36.508383][  T908] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84e
[   36.508578][  T908] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfd6c4900
| [   36.510869][   T73] ------------[ cut here ]------------
| [   36.510989][   T73] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 2/73
| [   36.511223][   T73] Modules linked in: xfrm_user nf_tables
| [   36.511617][   T73] Tainted: [W]=WARN
[   36.511713][   T73] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.511861][   T73] Workqueue: events_unbound linkwatch_event
[   36.512013][   T73] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.512169][   T73] 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
[   36.512595][   T73] RSP: 0018:ffa00000004e79e0 EFLAGS: 00010286
[   36.512749][   T73] RAX: 00000000ffffffa6 RBX: ff1100000e5aa3c0 RCX: 1ff400000009cf02
[   36.512927][   T73] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5aa47c
[   36.513104][   T73] RBP: ff110000058d4000 R08: 1fe2200001cb5491 R09: ff11000009c58ba8
[   36.513284][   T73] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   36.513460][   T73] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   36.513641][   T73] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   36.513855][   T73] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.514002][   T73] CR2: 0000000035ced988 CR3: 0000000015421006 CR4: 0000000000771ef0
[   36.514184][   T73] PKRU: 55555554
[   36.514272][   T73] Call Trace:
[   36.514365][   T73]  <TASK>
[   36.514427][   T73]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.514546][   T73]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.514671][   T73]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.514761][   T73]  netif_state_change (net/core/dev.c:1605)
[   36.514880][   T73]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   36.515027][   T73]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   36.515150][   T73]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   36.515268][   T73]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.515388][   T73]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   36.515516][   T73]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   36.515634][   T73]  process_one_work (kernel/workqueue.c:3314)
[   36.515761][   T73]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   36.515879][   T73]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.516001][   T73]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   36.516124][   T73]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   36.516243][   T73]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   36.516362][   T73]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   36.516481][   T73]  kthread (kernel/kthread.c:436)
[   36.516571][   T73]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.516721][   T73]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.516839][   T73]  ret_from_fork (arch/x86/kernel/process.c:158)
[   36.516958][   T73]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   36.517109][   T73]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   36.517238][   T73]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.517358][   T73]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   36.525891][   T73] ------------[ cut here ]------------
| [   36.526058][   T73] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 2/73
| [   36.526350][   T73] Modules linked in: xfrm_user nf_tables
| [   36.526854][   T73] Tainted: [W]=WARN
[   36.526991][   T73] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.527190][   T73] Workqueue: events_unbound linkwatch_event
[   36.527391][   T73] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.527603][   T73] 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
[   36.528084][   T73] RSP: 0018:ffa00000004e79e0 EFLAGS: 00010286
[   36.528287][   T73] RAX: 00000000ffffffa6 RBX: ff1100000e5aaac0 RCX: 1ff400000009cf02
[   36.528512][   T73] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5aab7c
[   36.528754][   T73] RBP: ff1100000f3a1000 R08: 1fe2200001cb5571 R09: ff11000009c58ba8
[   36.528979][   T73] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   36.529211][   T73] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   36.529438][   T73] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   36.529711][   T73] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.529910][   T73] CR2: 00007f4db03ea574 CR3: 000000004994d001 CR4: 0000000000771ef0
[   36.530141][   T73] PKRU: 55555554
[   36.530278][   T73] Call Trace:
[   36.530414][   T73]  <TASK>
[   36.530528][   T73]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.530712][   T73]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.530879][   T73]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.531019][   T73]  netif_state_change (net/core/dev.c:1605)
[   36.531193][   T73]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   36.531390][   T73]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   36.531564][   T73]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   36.531747][   T73]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.531916][   T73]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   36.532088][   T73]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   36.532264][   T73]  process_one_work (kernel/workqueue.c:3314)
[   36.532436][   T73]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   36.532610][   T73]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.532798][   T73]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   36.532968][   T73]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   36.533173][   T73]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   36.533345][   T73]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   36.533515][   T73]  kthread (kernel/kthread.c:436)
[   36.533667][   T73]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.533863][   T73]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.534031][   T73]  ret_from_fork (arch/x86/kernel/process.c:158)
[   36.534208][   T73]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   36.534407][   T73]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   36.534583][   T73]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.534761][   T73]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   36.696090][  T916] ------------[ cut here ]------------
| [   36.696249][  T916] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/916
| [   36.696489][  T916] Modules linked in: xfrm_user nf_tables
| [   36.696910][  T916] Tainted: [W]=WARN
[   36.697015][  T916] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.697192][  T916] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.697368][  T916] 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
[   36.697855][  T916] RSP: 0018:ffa00000012e6e30 EFLAGS: 00010286
[   36.698025][  T916] RAX: 00000000ffffffa6 RBX: ff1100000d68f700 RCX: 1ff400000025cd8c
[   36.698231][  T916] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68f7bc
[   36.698432][  T916] RBP: ff1100000f0bc000 R08: 1fe2200001ad1ef9 R09: ff1100000f3e2e80
[   36.698635][  T916] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   36.698842][  T916] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000938d580
[   36.699044][  T916] FS:  00007fd036929840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   36.699284][  T916] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.699452][  T916] CR2: 00000000004eb188 CR3: 0000000009392002 CR4: 0000000000771ef0
[   36.699664][  T916] PKRU: 55555554
[   36.699765][  T916] Call Trace:
[   36.699866][  T916]  <TASK>
[   36.699936][  T916]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.700074][  T916]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.700181][  T916]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   36.700348][  T916]  __dev_notify_flags (net/core/dev.c:9787)
[   36.700484][  T916]  ? netif_change_name (net/core/dev.c:1495)
[   36.700622][  T916]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.700760][  T916]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.700893][  T916]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.701028][  T916]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   36.701170][  T916]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.701306][  T916]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   36.701441][  T916]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   36.701580][  T916]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   36.701718][  T916]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   36.701856][  T916]  veth_newlink (drivers/net/veth.c:1871)
[   36.701992][  T916]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   36.702128][  T916]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.702263][  T916]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.702396][  T916]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   36.702551][  T916]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   36.702772][  T916]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   36.702908][  T916]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   36.703042][  T916]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   36.703183][  T916]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   36.703318][  T916]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   36.703453][  T916]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   36.703593][  T916]  ? __dev_get_by_name (net/core/dev.c:883)
[   36.703806][  T916]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   36.704025][  T916]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   36.704168][  T916]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.704305][  T916]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.704439][  T916]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.704576][  T916]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.704812][  T916]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.704947][  T916]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.705085][  T916]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.705226][  T916]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.705361][  T916]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.705496][  T916]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.705633][  T916]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.705824][  T916]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.705961][  T916]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.706095][  T916]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.706240][  T916]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.706374][  T916]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.706512][  T916]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.706649][  T916]  ? 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))
[   36.706818][  T916]  ? 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))
[   36.706953][  T916]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.707088][  T916]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.707226][  T916]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.707362][  T916]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.707498][  T916]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.707636][  T916]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.707776][  T916]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.707911][  T916]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.708045][  T916]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.708217][  T916]  ? move_addr_to_kernel (net/socket.c:258)
[   36.708353][  T916]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.708488][  T916]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   36.708629][  T916]  ___sys_sendmsg (net/socket.c:2752)
[   36.708769][  T916]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   36.708904][  T916]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.709044][  T916]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   36.709187][  T916]  ? 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))
[   36.709326][  T916]  __sys_sendmsg (net/socket.c:2784)
[   36.709462][  T916]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.709603][  T916]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.709743][  T916]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.709878][  T916]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.710011][  T916]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.710150][  T916]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.710286][  T916]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.710454][  T916] RIP: 0033:0x7fd036b6308e
[   36.710601][  T916] 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
[   36.711085][  T916] RSP: 002b:00007ffe50a38f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.711291][  T916] RAX: ffffffffffffffda RBX: 00007ffe50a39718 RCX: 00007fd036b6308e
[   36.711494][  T916] RDX: 0000000000000000 RSI: 00007ffe50a39030 RDI: 0000000000000005
[   36.711699][  T916] RBP: 00007ffe50a38f90 R08: 0000000000000000 R09: 0000000000000000
[   36.711900][  T916] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84e
[   36.712099][  T916] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe50a396f0
| [   36.719756][  T916] ------------[ cut here ]------------
| [   36.719908][  T916] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/916
| [   36.720148][  T916] Modules linked in: xfrm_user nf_tables
| [   36.720563][  T916] Tainted: [W]=WARN
[   36.720672][  T916] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.720840][  T916] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.721015][  T916] 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
[   36.721503][  T916] RSP: 0018:ffa00000012e71b0 EFLAGS: 00010286
[   36.721681][  T916] RAX: 00000000ffffffa6 RBX: ff1100000dd01540 RCX: 1ff400000025cdfc
[   36.721882][  T916] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd015fc
[   36.722081][  T916] RBP: ff11000002934000 R08: 1fe2200001ba02c1 R09: ff1100000f3e2e80
[   36.722287][  T916] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   36.722485][  T916] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   36.722699][  T916] FS:  00007fd036929840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   36.722934][  T916] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.723102][  T916] CR2: 000055d3d5b6bd5c CR3: 0000000009392005 CR4: 0000000000771ef0
[   36.723308][  T916] PKRU: 55555554
[   36.723408][  T916] Call Trace:
[   36.723511][  T916]  <TASK>
[   36.723580][  T916]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.723726][  T916]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.723828][  T916]  __dev_notify_flags (net/core/dev.c:9787)
[   36.723963][  T916]  ? netif_change_name (net/core/dev.c:1495)
[   36.724098][  T916]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   36.724240][  T916]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   36.724377][  T916]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   36.724516][  T916]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   36.724659][  T916]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   36.724794][  T916]  ? __dev_get_by_name (net/core/dev.c:883)
[   36.724927][  T916]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   36.725066][  T916]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   36.725210][  T916]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.725345][  T916]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.725479][  T916]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.725615][  T916]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.725756][  T916]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.725889][  T916]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.726029][  T916]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.726169][  T916]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.726303][  T916]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.726437][  T916]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.726574][  T916]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.726789][  T916]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.726929][  T916]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.727062][  T916]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.727200][  T916]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.727334][  T916]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.727468][  T916]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.727610][  T916]  ? 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))
[   36.727796][  T916]  ? 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))
[   36.727935][  T916]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.728070][  T916]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.728211][  T916]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.728345][  T916]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.728482][  T916]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.728618][  T916]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.728760][  T916]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.728899][  T916]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.729034][  T916]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.729209][  T916]  ? move_addr_to_kernel (net/socket.c:258)
[   36.729344][  T916]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.729478][  T916]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   36.729614][  T916]  ___sys_sendmsg (net/socket.c:2752)
[   36.729753][  T916]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   36.729887][  T916]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.730028][  T916]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   36.730170][  T916]  ? 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))
[   36.730307][  T916]  __sys_sendmsg (net/socket.c:2784)
[   36.730441][  T916]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.730582][  T916]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.730722][  T916]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.730857][  T916]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.730990][  T916]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.731128][  T916]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.731263][  T916]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.731428][  T916] RIP: 0033:0x7fd036b6308e
[   36.731573][  T916] 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
[   36.732056][  T916] RSP: 002b:00007ffe50a38f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.732262][  T916] RAX: ffffffffffffffda RBX: 00007ffe50a39718 RCX: 00007fd036b6308e
[   36.732461][  T916] RDX: 0000000000000000 RSI: 00007ffe50a39030 RDI: 0000000000000005
[   36.732669][  T916] RBP: 00007ffe50a38f90 R08: 0000000000000000 R09: 0000000000000000
[   36.732870][  T916] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84e
[   36.733071][  T916] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe50a396f0
| [   36.852251][  T920] ------------[ cut here ]------------
| [   36.852397][  T920] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/920
| [   36.852631][  T920] Modules linked in: xfrm_user nf_tables
| [   36.853038][  T920] Tainted: [W]=WARN
[   36.853142][  T920] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.853304][  T920] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.853474][  T920] 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
[   36.853946][  T920] RSP: 0018:ffa00000012f7020 EFLAGS: 00010286
[   36.854109][  T920] RAX: 00000000ffffffa6 RBX: ff110000103a4c80 RCX: 1ff400000025edca
[   36.854309][  T920] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000103a4d3c
[   36.854506][  T920] RBP: ff11000002934000 R08: 1fe22000020749a9 R09: ff110000123ed158
[   36.854705][  T920] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   36.854899][  T920] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   36.855095][  T920] FS:  00007f3fca43d840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   36.855328][  T920] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.855491][  T920] CR2: 000000001020f988 CR3: 000000000ea8e003 CR4: 0000000000771ef0
[   36.855696][  T920] PKRU: 55555554
[   36.855794][  T920] Call Trace:
[   36.855891][  T920]  <TASK>
[   36.855958][  T920]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.856090][  T920]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.856195][  T920]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   36.856324][  T920]  __dev_notify_flags (net/core/dev.c:9787)
[   36.856455][  T920]  ? netif_change_name (net/core/dev.c:1495)
[   36.856589][  T920]  ? __dev_change_flags (net/core/dev.c:9752)
[   36.856726][  T920]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   36.856854][  T920]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.856984][  T920]  ? 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))
[   36.857121][  T920]  netif_change_flags (net/core/dev.c:9820)
[   36.857252][  T920]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   36.857381][  T920]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   36.857516][  T920]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   36.857646][  T920]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   36.857813][  T920]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.857943][  T920]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.858073][  T920]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.858207][  T920]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.858337][  T920]  ? __kernel_text_address (kernel/extable.c:79)
[   36.858469][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.858603][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.858737][  T920]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.858868][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.858999][  T920]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.859130][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.859260][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.859390][  T920]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   36.859526][  T920]  ? __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)
[   36.859662][  T920]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   36.859791][  T920]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.859923][  T920]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   36.860056][  T920]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   36.860194][  T920]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.860326][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.860454][  T920]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.860588][  T920]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.860721][  T920]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.860851][  T920]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.860984][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.861113][  T920]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.861247][  T920]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.861380][  T920]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.861515][  T920]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.861645][  T920]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.861779][  T920]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.861910][  T920]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.862039][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.862176][  T920]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.862304][  T920]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.862434][  T920]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.862567][  T920]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.862700][  T920]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.862834][  T920]  ? 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))
[   36.862963][  T920]  ? 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))
[   36.863095][  T920]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.863233][  T920]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.863363][  T920]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.863496][  T920]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.863630][  T920]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.863763][  T920]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.863895][  T920]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.864025][  T920]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.864160][  T920]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.864321][  T920]  ? move_addr_to_kernel (net/socket.c:258)
[   36.864452][  T920]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.864587][  T920]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.864722][  T920]  ___sys_sendmsg (net/socket.c:2752)
[   36.864851][  T920]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   36.865010][  T920]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.865157][  T920]  __sys_sendmsg (net/socket.c:2784)
[   36.865286][  T920]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.865417][  T920]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   36.865582][  T920]  ? 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)
[   36.865716][  T920]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.865847][  T920]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.865975][  T920]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.866104][  T920]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.866239][  T920]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.866399][  T920] RIP: 0033:0x7f3fca67708e
[   36.866538][  T920] 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
[   36.867001][  T920] RSP: 002b:00007ffd6e16ce70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.867202][  T920] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3fca67708e
[   36.867395][  T920] RDX: 0000000000000000 RSI: 00007ffd6e16cf20 RDI: 0000000000000005
[   36.867592][  T920] RBP: 00007ffd6e16ce80 R08: 0000000000000000 R09: 0000000000000000
[   36.867809][  T920] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84f
[   36.868004][  T920] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6e16d5e0
| [   36.970911][  T924] ------------[ cut here ]------------
| [   36.971094][  T924] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/924
| [   36.971376][  T924] Modules linked in: xfrm_user nf_tables
| [   36.971896][  T924] Tainted: [W]=WARN
[   36.972040][  T924] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.972257][  T924] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.972474][  T924] 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
[   36.972992][  T924] RSP: 0018:ffa0000001307020 EFLAGS: 00010286
[   36.973210][  T924] RAX: 00000000ffffffa6 RBX: ff1100000dd00900 RCX: 1ff4000000260dca
[   36.973451][  T924] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd009bc
[   36.973768][  T924] RBP: ff1100000f0bc000 R08: 1fe2200001ba0139 R09: ff1100000f240b58
[   36.974062][  T924] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   36.974364][  T924] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   36.974683][  T924] FS:  00007ffb70f4d840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   36.975011][  T924] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.975284][  T924] CR2: 000000000953e988 CR3: 00000000052eb006 CR4: 0000000000771ef0
[   36.975584][  T924] PKRU: 55555554
[   36.975792][  T924] Call Trace:
[   36.976034][  T924]  <TASK>
[   36.976232][  T924]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.976492][  T924]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.976750][  T924]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   36.977016][  T924]  __dev_notify_flags (net/core/dev.c:9787)
[   36.977264][  T924]  ? netif_change_name (net/core/dev.c:1495)
[   36.977494][  T924]  ? __dev_change_flags (net/core/dev.c:9752)
[   36.977746][  T924]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   36.977946][  T924]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.978129][  T924]  ? 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))
[   36.978308][  T924]  netif_change_flags (net/core/dev.c:9820)
[   36.978487][  T924]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   36.978683][  T924]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   36.978865][  T924]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   36.979042][  T924]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   36.979258][  T924]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.979436][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.979620][  T924]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.979808][  T924]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.979987][  T924]  ? __kernel_text_address (kernel/extable.c:79)
[   36.980175][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.980352][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.980531][  T924]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.980723][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.980900][  T924]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.981074][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.981259][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.981438][  T924]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   36.981622][  T924]  ? __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)
[   36.981811][  T924]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   36.981989][  T924]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.982177][  T924]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   36.982359][  T924]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   36.982544][  T924]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.982738][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.982914][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.983092][  T924]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.983279][  T924]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.983457][  T924]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.983646][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.983839][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.984017][  T924]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.984207][  T924]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.984388][  T924]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.984575][  T924]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.984768][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.984944][  T924]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.985128][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.985309][  T924]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.985489][  T924]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.985688][  T924]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.985866][  T924]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.986044][  T924]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.986232][  T924]  ? 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))
[   36.986408][  T924]  ? 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))
[   36.986596][  T924]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.986788][  T924]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.986969][  T924]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.987155][  T924]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.987334][  T924]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.987517][  T924]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.987707][  T924]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.987886][  T924]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.988063][  T924]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.988283][  T924]  ? move_addr_to_kernel (net/socket.c:258)
[   36.988462][  T924]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.988648][  T924]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.988841][  T924]  ___sys_sendmsg (net/socket.c:2752)
[   36.989018][  T924]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   36.989237][  T924]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.989426][  T924]  __sys_sendmsg (net/socket.c:2784)
[   36.989617][  T924]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.989803][  T924]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   36.990016][  T924]  ? 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)
[   36.990202][  T924]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.990383][  T924]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.990570][  T924]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.990761][  T924]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.990939][  T924]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.991158][  T924] RIP: 0033:0x7ffb7118708e
[   36.991343][  T924] 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
[   36.991864][  T924] RSP: 002b:00007ffd5de231a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.992109][  T924] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ffb7118708e
[   36.992357][  T924] RDX: 0000000000000000 RSI: 00007ffd5de23250 RDI: 0000000000000005
[   36.992607][  T924] RBP: 00007ffd5de231b0 R08: 0000000000000000 R09: 0000000000000000
[   36.992859][  T924] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84f
[   36.993099][  T924] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5de23910
| [   36.995893][  T434] ------------[ cut here ]------------
| [   36.996027][  T434] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 2/434
| [   36.996268][  T434] Modules linked in: xfrm_user nf_tables
| [   36.996671][  T434] Tainted: [W]=WARN
[   36.996761][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.996909][  T434] Workqueue: events_unbound linkwatch_event
[   36.997065][  T434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.997223][  T434] 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
[   36.997672][  T434] RSP: 0018:ffa0000000e879e0 EFLAGS: 00010286
[   36.997822][  T434] RAX: 00000000ffffffa6 RBX: ff1100000dd018c0 RCX: 1ff40000001d0f02
[   36.998004][  T434] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd0197c
[   36.998185][  T434] RBP: ff1100000f0bc000 R08: 1fe2200001ba0331 R09: ff110000100f2ea8
[   36.998362][  T434] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   36.998541][  T434] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   36.998725][  T434] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   36.998932][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.999082][  T434] CR2: 000055d3d5b6bd5c CR3: 0000000009021002 CR4: 0000000000771ef0
[   36.999269][  T434] PKRU: 55555554
[   36.999358][  T434] Call Trace:
[   36.999451][  T434]  <TASK>
[   36.999515][  T434]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.999634][  T434]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.999761][  T434]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.999851][  T434]  netif_state_change (net/core/dev.c:1605)
[   36.999973][  T434]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   37.000132][  T434]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   37.000256][  T434]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   37.000378][  T434]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.000500][  T434]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   37.000621][  T434]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   37.000751][  T434]  process_one_work (kernel/workqueue.c:3314)
[   37.000874][  T434]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.000997][  T434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.001124][  T434]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.001245][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.001363][  T434]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   37.001484][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.001604][  T434]  kthread (kernel/kthread.c:436)
[   37.001699][  T434]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.001851][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.001969][  T434]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.002090][  T434]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.002241][  T434]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.002360][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.002478][  T434]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.004120][  T434] ------------[ cut here ]------------
| [   37.004244][  T434] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 2/434
| [   37.004482][  T434] Modules linked in: xfrm_user nf_tables
| [   37.004889][  T434] Tainted: [W]=WARN
[   37.004981][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.005132][  T434] Workqueue: events_unbound linkwatch_event
[   37.005287][  T434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.005442][  T434] 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
[   37.005891][  T434] RSP: 0018:ffa0000000e879e0 EFLAGS: 00010286
[   37.006042][  T434] RAX: 00000000ffffffa6 RBX: ff1100000dd00200 RCX: 1ff40000001d0f02
[   37.006225][  T434] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd002bc
[   37.006403][  T434] RBP: ff11000002934000 R08: 1fe2200001ba0059 R09: ff110000100f2ea8
[   37.006586][  T434] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   37.006779][  T434] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.006958][  T434] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   37.007173][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.007321][  T434] CR2: 000055d3d5b6bd5c CR3: 000000004994d006 CR4: 0000000000771ef0
[   37.007500][  T434] PKRU: 55555554
[   37.007593][  T434] Call Trace:
[   37.007692][  T434]  <TASK>
[   37.007754][  T434]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.007950][  T434]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.008073][  T434]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.008170][  T434]  netif_state_change (net/core/dev.c:1605)
[   37.008291][  T434]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   37.008517][  T434]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   37.008635][  T434]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   37.008763][  T434]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.008885][  T434]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   37.009080][  T434]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   37.009205][  T434]  process_one_work (kernel/workqueue.c:3314)
[   37.009329][  T434]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.009447][  T434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.009649][  T434]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.009776][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.009895][  T434]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   37.010016][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.010141][  T434]  kthread (kernel/kthread.c:436)
[   37.010232][  T434]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.010380][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.010500][  T434]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.010703][  T434]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.010851][  T434]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.010968][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.011092][  T434]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.185133][  T932] ------------[ cut here ]------------
| [   37.185326][  T932] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/932
| [   37.185618][  T932] Modules linked in: xfrm_user nf_tables
| [   37.186215][  T932] Tainted: [W]=WARN
[   37.186363][  T932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.186587][  T932] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.186823][  T932] 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
[   37.187354][  T932] RSP: 0018:ffa0000001276e30 EFLAGS: 00010286
[   37.187582][  T932] RAX: 00000000ffffffa6 RBX: ff1100000cf8d000 RCX: 1ff400000024ed8c
[   37.187855][  T932] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cf8d0bc
[   37.188108][  T932] RBP: ff11000012bf9000 R08: 1fe22000019f1a19 R09: ff1100000f3d8b80
[   37.188362][  T932] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   37.188616][  T932] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005eef500
[   37.188874][  T932] FS:  00007f3cfbcd7840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   37.189164][  T932] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.189379][  T932] CR2: 00000000004eb188 CR3: 00000000100cb004 CR4: 0000000000771ef0
[   37.189636][  T932] PKRU: 55555554
[   37.189797][  T932] Call Trace:
[   37.189945][  T932]  <TASK>
[   37.190063][  T932]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.190259][  T932]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.190410][  T932]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   37.190634][  T932]  __dev_notify_flags (net/core/dev.c:9787)
[   37.190830][  T932]  ? netif_change_name (net/core/dev.c:1495)
[   37.191011][  T932]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.191197][  T932]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.191379][  T932]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.191569][  T932]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   37.191767][  T932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.191949][  T932]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   37.192137][  T932]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   37.192317][  T932]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   37.192497][  T932]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   37.192702][  T932]  veth_newlink (drivers/net/veth.c:1871)
[   37.192886][  T932]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   37.193064][  T932]  ? kasan_save_stack (mm/kasan/common.c:57)
[   37.193254][  T932]  ? kasan_save_track (mm/kasan/common.c:78)
[   37.193434][  T932]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   37.193637][  T932]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   37.193831][  T932]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   37.194015][  T932]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   37.194204][  T932]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   37.194389][  T932]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   37.194582][  T932]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   37.194779][  T932]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   37.194961][  T932]  ? __dev_get_by_name (net/core/dev.c:883)
[   37.195149][  T932]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   37.195337][  T932]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   37.195528][  T932]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.195725][  T932]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.195905][  T932]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.196088][  T932]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.196276][  T932]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.196456][  T932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.196668][  T932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.196850][  T932]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.197031][  T932]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.197221][  T932]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.197404][  T932]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.197593][  T932]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.197791][  T932]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.197971][  T932]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.198161][  T932]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.198375][  T932]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.198565][  T932]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.198763][  T932]  ? 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))
[   37.198942][  T932]  ? 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))
[   37.199131][  T932]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.199313][  T932]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.199494][  T932]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.199697][  T932]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.199882][  T932]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.200063][  T932]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.200255][  T932]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.200439][  T932]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.200625][  T932]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.200849][  T932]  ? move_addr_to_kernel (net/socket.c:258)
[   37.201033][  T932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.201224][  T932]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   37.201411][  T932]  ___sys_sendmsg (net/socket.c:2752)
[   37.201598][  T932]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   37.201793][  T932]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.201978][  T932]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   37.202168][  T932]  ? 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))
[   37.202352][  T932]  __sys_sendmsg (net/socket.c:2784)
[   37.202536][  T932]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.202735][  T932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.202917][  T932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.203099][  T932]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.203287][  T932]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.203467][  T932]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.203668][  T932]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.203880][  T932] RIP: 0033:0x7f3cfbf1108e
[   37.204067][  T932] 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
[   37.204601][  T932] RSP: 002b:00007ffe8044cd20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.204862][  T932] RAX: ffffffffffffffda RBX: 00007ffe8044d4b8 RCX: 00007f3cfbf1108e
[   37.205107][  T932] RDX: 0000000000000000 RSI: 00007ffe8044cdd0 RDI: 0000000000000005
[   37.205360][  T932] RBP: 00007ffe8044cd30 R08: 0000000000000000 R09: 0000000000000000
[   37.205614][  T932] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84f
[   37.205870][  T932] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe8044d490
| [   37.213771][  T932] ------------[ cut here ]------------
| [   37.213921][  T932] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/932
| [   37.214158][  T932] Modules linked in: xfrm_user nf_tables
| [   37.214564][  T932] Tainted: [W]=WARN
[   37.214685][  T932] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.214853][  T932] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.215024][  T932] 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
[   37.215499][  T932] RSP: 0018:ffa00000012771b0 EFLAGS: 00010286
[   37.215676][  T932] RAX: 00000000ffffffa6 RBX: ff1100000b72c3c0 RCX: 1ff400000024edfc
[   37.215870][  T932] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72c47c
[   37.216064][  T932] RBP: ff1100000fe21000 R08: 1fe22000016e5891 R09: ff1100000f3d8b80
[   37.216266][  T932] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   37.216460][  T932] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   37.216666][  T932] FS:  00007f3cfbcd7840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   37.216896][  T932] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.217060][  T932] CR2: 00007ffe3bb9dfc8 CR3: 00000000100cb003 CR4: 0000000000771ef0
[   37.217259][  T932] PKRU: 55555554
[   37.217359][  T932] Call Trace:
[   37.217456][  T932]  <TASK>
[   37.217529][  T932]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.217667][  T932]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.217768][  T932]  __dev_notify_flags (net/core/dev.c:9787)
[   37.217900][  T932]  ? netif_change_name (net/core/dev.c:1495)
[   37.218033][  T932]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   37.218170][  T932]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   37.218304][  T932]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   37.218438][  T932]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   37.218575][  T932]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   37.218712][  T932]  ? __dev_get_by_name (net/core/dev.c:883)
[   37.218844][  T932]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   37.218980][  T932]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   37.219121][  T932]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.219255][  T932]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.219387][  T932]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.219519][  T932]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.219650][  T932]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.219785][  T932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.219921][  T932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.220053][  T932]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.220189][  T932]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.220321][  T932]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.220452][  T932]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.220584][  T932]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.220722][  T932]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.220854][  T932]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.220986][  T932]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.221123][  T932]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.221255][  T932]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.221392][  T932]  ? 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))
[   37.221528][  T932]  ? 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))
[   37.221666][  T932]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.221800][  T932]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.221931][  T932]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.222062][  T932]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.222197][  T932]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.222328][  T932]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.222461][  T932]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.222596][  T932]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.222731][  T932]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.222894][  T932]  ? move_addr_to_kernel (net/socket.c:258)
[   37.223026][  T932]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.223162][  T932]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   37.223295][  T932]  ___sys_sendmsg (net/socket.c:2752)
[   37.223427][  T932]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   37.223563][  T932]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.223703][  T932]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   37.223839][  T932]  ? 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))
[   37.223972][  T932]  __sys_sendmsg (net/socket.c:2784)
[   37.224104][  T932]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.224244][  T932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.224375][  T932]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.224511][  T932]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.224643][  T932]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.224781][  T932]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.224912][  T932]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.225075][  T932] RIP: 0033:0x7f3cfbf1108e
[   37.225218][  T932] 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
[   37.225695][  T932] RSP: 002b:00007ffe8044cd20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.225893][  T932] RAX: ffffffffffffffda RBX: 00007ffe8044d4b8 RCX: 00007f3cfbf1108e
[   37.226090][  T932] RDX: 0000000000000000 RSI: 00007ffe8044cdd0 RDI: 0000000000000005
[   37.226291][  T932] RBP: 00007ffe8044cd30 R08: 0000000000000000 R09: 0000000000000000
[   37.226487][  T932] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84f
[   37.226692][  T932] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe8044d490
| [   37.330937][  T936] ------------[ cut here ]------------
| [   37.331082][  T936] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/936
| [   37.331313][  T936] Modules linked in: xfrm_user nf_tables
| [   37.332558][  T936] Tainted: [W]=WARN
[   37.332737][  T936] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.332906][  T936] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.333074][  T936] 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
[   37.333542][  T936] RSP: 0018:ffa0000001337020 EFLAGS: 00010286
[   37.333782][  T936] RAX: 00000000ffffffa6 RBX: ff1100000b72de00 RCX: 1ff4000000266dca
[   37.333975][  T936] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72debc
[   37.334172][  T936] RBP: ff1100000fe21000 R08: 1fe22000016e5bd9 R09: ff11000009aa0b58
[   37.334366][  T936] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   37.334561][  T936] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   37.334827][  T936] FS:  00007faae5e21840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   37.335053][  T936] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.335220][  T936] CR2: 00007faae60f11a0 CR3: 000000000c4f5005 CR4: 0000000000771ef0
[   37.335414][  T936] PKRU: 55555554
[   37.335514][  T936] Call Trace:
[   37.335610][  T936]  <TASK>
[   37.335728][  T936]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.335860][  T936]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.335959][  T936]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   37.336090][  T936]  __dev_notify_flags (net/core/dev.c:9787)
[   37.336226][  T936]  ? netif_change_name (net/core/dev.c:1495)
[   37.336355][  T936]  ? __dev_change_flags (net/core/dev.c:9752)
[   37.336485][  T936]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   37.336620][  T936]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.336756][  T936]  ? 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))
[   37.336888][  T936]  netif_change_flags (net/core/dev.c:9820)
[   37.337019][  T936]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   37.337155][  T936]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   37.337286][  T936]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   37.337418][  T936]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   37.337580][  T936]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.337716][  T936]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.337845][  T936]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   37.337974][  T936]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.338104][  T936]  ? __kernel_text_address (kernel/extable.c:79)
[   37.338239][  T936]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.338371][  T936]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.338503][  T936]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   37.338635][  T936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.338771][  T936]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.338900][  T936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.339030][  T936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.339163][  T936]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   37.339295][  T936]  ? __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)
[   37.339425][  T936]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   37.339561][  T936]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   37.339697][  T936]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   37.339829][  T936]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   37.339961][  T936]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.340093][  T936]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.340225][  T936]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.340356][  T936]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.340485][  T936]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.340618][  T936]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.340756][  T936]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.340884][  T936]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.341012][  T936]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.341147][  T936]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.341276][  T936]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.341407][  T936]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.341541][  T936]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.341676][  T936]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.341806][  T936]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.341937][  T936]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.342067][  T936]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.342204][  T936]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.342334][  T936]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.342466][  T936]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.342604][  T936]  ? 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))
[   37.342739][  T936]  ? 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))
[   37.342870][  T936]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.343001][  T936]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.343133][  T936]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.343265][  T936]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.343397][  T936]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.343533][  T936]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.343668][  T936]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.343798][  T936]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.343927][  T936]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.344088][  T936]  ? move_addr_to_kernel (net/socket.c:258)
[   37.344223][  T936]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.344354][  T936]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.344484][  T936]  ___sys_sendmsg (net/socket.c:2752)
[   37.344616][  T936]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   37.344784][  T936]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.344926][  T936]  __sys_sendmsg (net/socket.c:2784)
[   37.345055][  T936]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.345193][  T936]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   37.345356][  T936]  ? 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)
[   37.345485][  T936]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.345619][  T936]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.345752][  T936]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.345882][  T936]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.346012][  T936]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.346179][  T936] RIP: 0033:0x7faae605b08e
[   37.346313][  T936] 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
[   37.346779][  T936] RSP: 002b:00007ffe6d1f9850 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.346975][  T936] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007faae605b08e
[   37.347174][  T936] RDX: 0000000000000000 RSI: 00007ffe6d1f9900 RDI: 0000000000000005
[   37.347368][  T936] RBP: 00007ffe6d1f9860 R08: 0000000000000000 R09: 0000000000000000
[   37.347564][  T936] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84f
[   37.347764][  T936] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe6d1f9fc0
| [   37.462120][  T940] ------------[ cut here ]------------
| [   37.462269][  T940] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/940
| [   37.462499][  T940] Modules linked in: xfrm_user nf_tables
| [   37.462905][  T940] Tainted: [W]=WARN
[   37.463003][  T940] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.463174][  T940] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.463347][  T940] 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
[   37.463815][  T940] RSP: 0018:ffa0000001277020 EFLAGS: 00010286
[   37.463977][  T940] RAX: 00000000ffffffa6 RBX: ff11000008fcb540 RCX: 1ff400000024edca
[   37.464175][  T940] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008fcb5fc
[   37.464367][  T940] RBP: ff11000012bf9000 R08: 1fe22000011f96c1 R09: ff1100000fd28b58
[   37.464563][  T940] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   37.464847][  T940] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   37.465044][  T940] FS:  00007ff443ef6840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   37.465280][  T940] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.465442][  T940] CR2: 0000000035fe5988 CR3: 000000000ea5c003 CR4: 0000000000771ef0
[   37.465801][  T940] PKRU: 55555554
[   37.465899][  T940] Call Trace:
[   37.465995][  T940]  <TASK>
[   37.466063][  T940]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.466198][  T940]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.466296][  T940]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   37.466425][  T940]  __dev_notify_flags (net/core/dev.c:9787)
[   37.466562][  T940]  ? netif_change_name (net/core/dev.c:1495)
[   37.466698][  T940]  ? __dev_change_flags (net/core/dev.c:9752)
[   37.466829][  T940]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   37.466959][  T940]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.467089][  T940]  ? 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))
[   37.467226][  T940]  netif_change_flags (net/core/dev.c:9820)
[   37.467357][  T940]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   37.467488][  T940]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   37.467623][  T940]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   37.467762][  T940]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   37.467924][  T940]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   37.468055][  T940]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.468190][  T940]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   37.468319][  T940]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.468450][  T940]  ? __kernel_text_address (kernel/extable.c:79)
[   37.468582][  T940]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.468720][  T940]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.468849][  T940]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   37.468981][  T940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.469112][  T940]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   37.469246][  T940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.469375][  T940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.469508][  T940]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   37.469640][  T940]  ? __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)
[   37.469776][  T940]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   37.469908][  T940]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   37.470039][  T940]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   37.470177][  T940]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   37.470310][  T940]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   37.470443][  T940]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.470575][  T940]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.470710][  T940]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.470839][  T940]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   37.470967][  T940]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.471098][  T940]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.471232][  T940]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.471360][  T940]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.471493][  T940]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   37.471628][  T940]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   37.471762][  T940]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   37.471892][  T940]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.472023][  T940]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.472159][  T940]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.472291][  T940]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.472420][  T940]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   37.472552][  T940]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   37.472688][  T940]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   37.472819][  T940]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   37.472953][  T940]  ? 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))
[   37.473083][  T940]  ? 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))
[   37.473220][  T940]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   37.473350][  T940]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.473480][  T940]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   37.473612][  T940]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   37.473750][  T940]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   37.473882][  T940]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   37.474015][  T940]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   37.474150][  T940]  ? copy_msghdr_from_user (net/socket.c:2635)
[   37.474280][  T940]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   37.474440][  T940]  ? move_addr_to_kernel (net/socket.c:258)
[   37.474574][  T940]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   37.474712][  T940]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   37.474843][  T940]  ___sys_sendmsg (net/socket.c:2752)
[   37.474971][  T940]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   37.475138][  T940]  ? copy_msghdr_from_user (net/socket.c:2603)
[   37.475279][  T940]  __sys_sendmsg (net/socket.c:2784)
[   37.475410][  T940]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   37.475541][  T940]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   37.475713][  T940]  ? 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)
[   37.475842][  T940]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   37.475973][  T940]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   37.476102][  T940]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   37.476236][  T940]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   37.476365][  T940]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   37.476529][  T940] RIP: 0033:0x7ff44413008e
[   37.476674][  T940] 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
[   37.477138][  T940] RSP: 002b:00007ffc4a2fc7f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   37.477332][  T940] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff44413008e
[   37.477530][  T940] RDX: 0000000000000000 RSI: 00007ffc4a2fc8a0 RDI: 0000000000000005
[   37.477728][  T940] RBP: 00007ffc4a2fc800 R08: 0000000000000000 R09: 0000000000000000
[   37.477920][  T940] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d84f
[   37.478112][  T940] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4a2fcf60
| [   37.480461][   T36] ------------[ cut here ]------------
| [   37.480630][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/36
| [   37.480927][   T36] Modules linked in: xfrm_user nf_tables
| [   37.481421][   T36] Tainted: [W]=WARN
[   37.481563][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.481772][   T36] Workqueue: events_unbound linkwatch_event
[   37.481972][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.482181][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   37.482667][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   37.482862][   T36] RAX: 00000000ffffffa6 RBX: ff1100000c960ac0 RCX: 1ff4000000051f02
[   37.483083][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c960b7c
[   37.483312][   T36] RBP: ff11000012bf9000 R08: 1fe220000192c171 R09: ff11000001d751a8
[   37.483536][   T36] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   37.483772][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.483994][   T36] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   37.484251][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.484447][   T36] CR2: 000055d3d5b6bd5c CR3: 000000000fee7001 CR4: 0000000000771ef0
[   37.484688][   T36] PKRU: 55555554
[   37.484824][   T36] Call Trace:
[   37.484957][   T36]  <TASK>
[   37.485064][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.485244][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.485414][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.485562][   T36]  netif_state_change (net/core/dev.c:1605)
[   37.485744][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   37.485938][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   37.486103][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   37.486278][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.486445][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   37.486620][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   37.486801][   T36]  process_one_work (kernel/workqueue.c:3314)
[   37.486971][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.487143][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.487313][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.487481][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.487756][   T36]  kthread (kernel/kthread.c:436)
[   37.487896][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.488091][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.488266][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.488434][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.488636][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.488818][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.488984][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   37.491050][   T36] ------------[ cut here ]------------
| [   37.491219][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/36
| [   37.491499][   T36] Modules linked in: xfrm_user nf_tables
| [   37.492008][   T36] Tainted: [W]=WARN
[   37.492151][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   37.492344][   T36] Workqueue: events_unbound linkwatch_event
[   37.492549][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   37.492764][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   37.493240][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   37.493436][   T36] RAX: 00000000ffffffa6 RBX: ff1100000c9618c0 RCX: 1ff4000000051f02
[   37.493692][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c96197c
[   37.493916][   T36] RBP: ff1100000fe21000 R08: 1fe220000192c331 R09: ff11000001d751a8
[   37.494158][   T36] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   37.494455][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   37.494703][   T36] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   37.494957][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   37.495160][   T36] CR2: 000055d3d5b6bd5c CR3: 000000004994d003 CR4: 0000000000771ef0
[   37.495459][   T36] PKRU: 55555554
[   37.495603][   T36] Call Trace:
[   37.495752][   T36]  <TASK>
[   37.495861][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   37.496027][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   37.496276][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   37.496416][   T36]  netif_state_change (net/core/dev.c:1605)
[   37.496593][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   37.496801][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   37.497041][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   37.497221][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   37.497391][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   37.497569][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   37.497751][   T36]  process_one_work (kernel/workqueue.c:3314)
[   37.497921][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   37.498086][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   37.498266][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   37.498515][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   37.498700][   T36]  kthread (kernel/kthread.c:436)
[   37.498838][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   37.499031][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.499233][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   37.499402][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   37.499606][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   37.499787][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   37.499955][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   42.968586][   T12] ------------[ cut here ]------------
| [   42.968957][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   42.969203][   T12] Modules linked in: xfrm_user nf_tables
| [   42.969600][   T12] Tainted: [W]=WARN
[   42.969694][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.969842][   T12] Workqueue: netns cleanup_net
[   42.969969][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.970124][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   42.970563][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   42.970722][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be31c40 RCX: 1ff4000000018eed
[   42.970899][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be31cfc
[   42.971073][   T12] RBP: ff1100000f999000 R08: 1fe22000017c63a1 R09: ff11000001aed1d0
[   42.971257][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   42.971437][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   42.971615][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   42.971826][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.971973][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d003 CR4: 0000000000771ef0
[   42.972154][   T12] PKRU: 55555554
[   42.972242][   T12] Call Trace:
[   42.972334][   T12]  <TASK>
[   42.972395][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   42.972553][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   42.972706][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   42.972832][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   42.972954][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   42.973078][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   42.973200][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   42.973318][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   42.973436][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   42.973555][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.973681][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   42.973800][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   42.973917][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   42.974034][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   42.974154][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.974273][   T12]  process_one_work (kernel/workqueue.c:3314)
[   42.974392][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   42.974511][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.974633][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   42.974761][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   42.974877][   T12]  kthread (kernel/kthread.c:436)
[   42.974970][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   42.975115][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   42.975236][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   42.975356][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   42.975505][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   42.975624][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   42.975749][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   42.977944][   T12] ------------[ cut here ]------------
| [   42.978063][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   42.978295][   T12] Modules linked in: xfrm_user nf_tables
| [   42.978709][   T12] Tainted: [W]=WARN
[   42.978796][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.978941][   T12] Workqueue: netns cleanup_net
[   42.979063][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.979222][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   42.979644][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   42.979796][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be311c0 RCX: 1ff4000000018eed
[   42.979968][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be3127c
[   42.980152][   T12] RBP: ff110000121e4000 R08: 1fe22000017c6251 R09: ff11000001aed1d0
[   42.980327][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   42.980502][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   42.980685][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   42.980888][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.981034][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d003 CR4: 0000000000771ef0
[   42.981213][   T12] PKRU: 55555554
[   42.981300][   T12] Call Trace:
[   42.981387][   T12]  <TASK>
[   42.981450][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   42.981602][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   42.981751][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   42.981942][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   42.982060][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   42.982180][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   42.982299][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   42.982495][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   42.982618][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   42.982740][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.982862][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   42.983050][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   42.983177][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   42.983294][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   42.983410][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.983601][   T12]  process_one_work (kernel/workqueue.c:3314)
[   42.983728][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   42.983845][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.983966][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   42.984164][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   42.984282][   T12]  kthread (kernel/kthread.c:436)
[   42.984374][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   42.984522][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   42.984720][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   42.984839][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   42.984987][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   42.985104][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   42.985297][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   42.987984][   T12] ------------[ cut here ]------------
| [   42.988104][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   42.988408][   T12] Modules linked in: xfrm_user nf_tables
| [   42.989292][   T12] Tainted: [W]=WARN
[   42.989383][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   42.989532][   T12] Workqueue: netns cleanup_net
[   42.989703][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   42.989901][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   42.990475][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   42.990625][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ce11700 RCX: 1ff4000000018eed
[   42.990918][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce117bc
[   42.991171][   T12] RBP: ff11000012209000 R08: 1fe22000019c22f9 R09: ff11000001aed1d0
[   42.991346][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   42.991594][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   42.991816][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   42.992025][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   42.992173][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d003 CR4: 0000000000771ef0
[   42.992349][   T12] PKRU: 55555554
[   42.992436][   T12] Call Trace:
[   42.992526][   T12]  <TASK>
[   42.992587][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   42.992786][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   42.992935][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   42.993051][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   42.993173][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   42.993289][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   42.993409][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   42.993532][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   42.993696][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   42.993813][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   42.993934][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   42.994053][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   42.994174][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   42.994294][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   42.994415][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   42.994538][   T12]  process_one_work (kernel/workqueue.c:3314)
[   42.994720][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   42.994910][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   42.995102][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   42.995230][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   42.995347][   T12]  kthread (kernel/kthread.c:436)
[   42.995435][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   42.995703][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   42.995819][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   42.995936][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   42.996085][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   42.996206][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   42.996394][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.000274][   T12] ------------[ cut here ]------------
| [   43.000406][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   43.000647][   T12] Modules linked in: xfrm_user nf_tables
| [   43.001043][   T12] Tainted: [W]=WARN
[   43.001130][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.001280][   T12] Workqueue: netns cleanup_net
[   43.001409][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.001568][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.002009][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.002165][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ce10c80 RCX: 1ff4000000018eed
[   43.002342][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce10d3c
[   43.002519][   T12] RBP: ff1100000f8e4000 R08: 1fe22000019c21a9 R09: ff11000001aed1d0
[   43.002698][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   43.002872][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.003048][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   43.003260][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.003407][   T12] CR2: 000055d401a27d98 CR3: 000000000d4c8002 CR4: 0000000000771ef0
[   43.003586][   T12] PKRU: 55555554
[   43.003678][   T12] Call Trace:
[   43.003766][   T12]  <TASK>
[   43.003827][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.003979][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.004122][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.004243][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.004361][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.004477][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.004597][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.004721][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.004840][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.004957][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.005077][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.005200][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.005315][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.005432][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.005552][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.005675][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.005795][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.005912][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.006032][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.006158][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.006274][   T12]  kthread (kernel/kthread.c:436)
[   43.006361][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.006509][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.006627][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.006751][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.006896][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.007013][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.007130][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.009116][   T12] ------------[ cut here ]------------
| [   43.009240][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   43.009466][   T12] Modules linked in: xfrm_user nf_tables
| [   43.010397][   T12] Tainted: [W]=WARN
[   43.010488][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.010637][   T12] Workqueue: netns cleanup_net
[   43.010823][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.010974][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.011403][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.011555][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d3d2040 RCX: 1ff4000000018eed
[   43.011784][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3d20fc
[   43.011959][   T12] RBP: ff110000087cc000 R08: 1fe2200001a7a421 R09: ff11000001aed1d0
[   43.012139][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   43.012312][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.012486][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   43.012868][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.013019][   T12] CR2: 000055d401a27d98 CR3: 000000004994d001 CR4: 0000000000771ef0
[   43.013200][   T12] PKRU: 55555554
[   43.013288][   T12] Call Trace:
[   43.013374][   T12]  <TASK>
[   43.013435][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.013588][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.013821][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.013939][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.014055][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.014179][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.014296][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.014415][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.014538][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.014741][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.014863][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.014982][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.015098][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.015224][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.015339][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.015457][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.015583][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.015787][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.015909][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.016031][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.016151][   T12]  kthread (kernel/kthread.c:436)
[   43.016239][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.016386][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.016505][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.016624][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.016858][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.016974][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.017090][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.031740][   T12] ------------[ cut here ]------------
| [   43.031879][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   43.032119][   T12] Modules linked in: xfrm_user nf_tables
| [   43.032534][   T12] Tainted: [W]=WARN
[   43.032626][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.032787][   T12] Workqueue: netns cleanup_net
[   43.032914][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.033074][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.033532][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   43.033692][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d3d2200 RCX: 1ff4000000018eaf
[   43.033874][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3d22bc
[   43.034055][   T12] RBP: ff11000014c21000 R08: 1fe2200001a7a459 R09: ff11000001aed1d0
[   43.034243][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   43.034423][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014c24000
[   43.034606][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   43.034826][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.034983][   T12] CR2: 00007f7d1ac2d55f CR3: 0000000009b7f001 CR4: 0000000000771ef0
[   43.035170][   T12] PKRU: 55555554
[   43.035261][   T12] Call Trace:
[   43.035351][   T12]  <TASK>
[   43.035414][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.035542][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.035635][   T12]  netif_close_many (net/core/dev.c:1804)
[   43.035762][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.035884][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.036006][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.036127][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   43.036254][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   43.036409][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   43.036566][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.036694][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.036844][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.036965][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.037085][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.037248][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   43.037371][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.037494][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.037620][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.037802][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.038003][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.038126][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.038254][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.038377][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.038502][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.038625][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.038807][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.038928][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.039184][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.039326][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.039449][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.039581][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.039772][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.039893][   T12]  kthread (kernel/kthread.c:436)
[   43.039984][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.040140][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.040264][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.040386][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.040541][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.040702][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.040825][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.043690][   T12] ------------[ cut here ]------------
| [   43.043870][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   43.044126][   T12] Modules linked in: xfrm_user nf_tables
| [   43.044545][   T12] Tainted: [W]=WARN
[   43.044636][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.044800][   T12] Workqueue: netns cleanup_net
[   43.044927][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.045084][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.045528][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   43.045744][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d3d3700 RCX: 1ff4000000018eaf
[   43.045974][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3d37bc
[   43.046159][   T12] RBP: ff11000014c24000 R08: 1fe2200001a7a6f9 R09: ff11000001aed1d0
[   43.046336][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   43.046523][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ea31000
[   43.046753][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   43.046965][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.047115][   T12] CR2: 00007f7d1ac2d55f CR3: 0000000009b7f001 CR4: 0000000000771ef0
[   43.047302][   T12] PKRU: 55555554
[   43.047392][   T12] Call Trace:
[   43.047482][   T12]  <TASK>
[   43.047547][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.047717][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   43.047839][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.047932][   T12]  netif_close_many (net/core/dev.c:1804)
[   43.048050][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.048174][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.048293][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.048412][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   43.048539][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   43.048739][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   43.048892][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.049011][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.049183][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.049302][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.049422][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.049575][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   43.049747][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.049870][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.049991][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.050111][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.050235][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.050356][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.050475][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.050600][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.050768][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.050891][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.051013][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.051141][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.051263][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.051386][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.051511][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.051641][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.051818][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.051940][   T12]  kthread (kernel/kthread.c:436)
[   43.052032][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.052187][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.052307][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.052429][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.052584][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.052754][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.052875][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.055548][   T12] ------------[ cut here ]------------
| [   43.055693][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   43.055964][   T12] Modules linked in: xfrm_user nf_tables
| [   43.056376][   T12] Tainted: [W]=WARN
[   43.056474][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.056633][   T12] Workqueue: netns cleanup_net
[   43.056768][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.056928][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.057369][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   43.057531][   T12] RAX: 00000000ffffffa6 RBX: ff11000012526900 RCX: 1ff4000000018eaf
[   43.057726][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000125269bc
[   43.057915][   T12] RBP: ff1100000ea31000 R08: 1fe22000024a4d39 R09: ff11000001aed1d0
[   43.058096][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   43.058285][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   43.058468][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   43.058693][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.058848][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000f014001 CR4: 0000000000771ef0
[   43.059033][   T12] PKRU: 55555554
[   43.059124][   T12] Call Trace:
[   43.059220][   T12]  <TASK>
[   43.059284][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.059407][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   43.059533][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.059627][   T12]  netif_close_many (net/core/dev.c:1804)
[   43.059755][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.059877][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.060001][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.060136][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   43.060259][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   43.060413][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   43.060570][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.060696][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.060846][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.060969][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.061093][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.061260][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   43.061386][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.061513][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.061635][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.061765][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.061890][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.062015][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.062140][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.062266][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.062390][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.062514][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.062637][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.062763][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.062888][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.063014][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.063139][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.063270][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.063397][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.063522][   T12]  kthread (kernel/kthread.c:436)
[   43.063614][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.063773][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.063896][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.064020][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.064175][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.064297][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.064418][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.066553][   T12] ------------[ cut here ]------------
| [   43.066683][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   43.066912][   T12] Modules linked in: xfrm_user nf_tables
| [   43.067304][   T12] Tainted: [W]=WARN
[   43.067391][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.067541][   T12] Workqueue: netns cleanup_net
[   43.067669][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.067822][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.068250][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   43.068397][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e8f1e00 RCX: 1ff4000000018ed5
[   43.068575][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e8f1ebc
[   43.068756][   T12] RBP: ff11000014c21000 R08: 1fe2200001d1e3d9 R09: ff11000001aed1d0
[   43.068929][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   43.069103][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.069283][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   43.069490][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.069644][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d003 CR4: 0000000000771ef0
[   43.069828][   T12] PKRU: 55555554
[   43.069916][   T12] Call Trace:
[   43.070008][   T12]  <TASK>
[   43.070069][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.070223][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.070370][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.070488][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.070611][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.070767][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.070885][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.071002][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.071119][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.071247][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.071365][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.071481][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.071603][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.071725][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.071840][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.071960][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.072076][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.072201][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.072321][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.072438][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.072564][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.072692][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.072810][   T12]  kthread (kernel/kthread.c:436)
[   43.072898][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.073045][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.073174][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.073291][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.073436][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.073556][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.073678][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.076237][   T12] ------------[ cut here ]------------
| [   43.076359][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   43.077255][   T12] Modules linked in: xfrm_user nf_tables
| [   43.077697][   T12] Tainted: [W]=WARN
[   43.077787][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.077943][   T12] Workqueue: netns cleanup_net
[   43.078066][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.078224][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.078644][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   43.078840][   T12] RAX: 00000000ffffffa6 RBX: ff1100000df04ac0 RCX: 1ff4000000018ed5
[   43.079016][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df04b7c
[   43.079196][   T12] RBP: ff11000014c24000 R08: 1fe2200001be0971 R09: ff11000001aed1d0
[   43.079370][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   43.079546][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.079768][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   43.079972][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.080120][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d003 CR4: 0000000000771ef0
[   43.080302][   T12] PKRU: 55555554
[   43.080392][   T12] Call Trace:
[   43.080479][   T12]  <TASK>
[   43.080543][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.080738][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.080881][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.080998][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.081115][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.081271][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.081394][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.081514][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.081634][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.081801][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.081921][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.082036][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.082163][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.082284][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.082401][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.082527][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.082645][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.082811][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.082932][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.083048][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.083175][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.083302][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.083419][   T12]  kthread (kernel/kthread.c:436)
[   43.083512][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.083704][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.083823][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.083941][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.084087][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.084207][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.084327][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.087670][   T12] ------------[ cut here ]------------
| [   43.087792][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   43.088027][   T12] Modules linked in: xfrm_user nf_tables
| [   43.088424][   T12] Tainted: [W]=WARN
[   43.088514][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.088665][   T12] Workqueue: netns cleanup_net
[   43.088787][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.088939][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.089446][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   43.089684][   T12] RAX: 00000000ffffffa6 RBX: ff1100000df05c40 RCX: 1ff4000000018ed5
[   43.089864][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df05cfc
[   43.090040][   T12] RBP: ff1100000ea31000 R08: 1fe2200001be0ba1 R09: ff11000001aed1d0
[   43.090366][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   43.090542][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.090771][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   43.090982][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.091135][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d003 CR4: 0000000000771ef0
[   43.091313][   T12] PKRU: 55555554
[   43.091403][   T12] Call Trace:
[   43.091493][   T12]  <TASK>
[   43.091632][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.091831][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.091979][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.092097][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.092293][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.092443][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.092565][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.092730][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.092966][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.093088][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.093215][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.093332][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.093452][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.093573][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.093734][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.093855][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.093972][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.094175][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.094298][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.094415][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.094541][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.094711][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.094830][   T12]  kthread (kernel/kthread.c:436)
[   43.094919][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.095144][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.095265][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.095384][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.095608][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.095772][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.095966][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.133910][   T12] ------------[ cut here ]------------
| [   43.134040][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   43.134277][   T12] Modules linked in: xfrm_user nf_tables
| [   43.134677][   T12] Tainted: [W]=WARN
[   43.134765][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.134913][   T12] Workqueue: netns cleanup_net
[   43.135034][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.135194][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.135620][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.135782][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a216ac0 RCX: 1ff4000000018eed
[   43.135956][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a216b7c
[   43.136129][   T12] RBP: ff11000012be1000 R08: 1fe2200001442d71 R09: ff11000001aed1d0
[   43.136310][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   43.136491][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.136677][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   43.136880][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.137026][   T12] CR2: 000055d3d5aabd40 CR3: 000000004994d001 CR4: 0000000000771ef0
[   43.137206][   T12] PKRU: 55555554
[   43.137294][   T12] Call Trace:
[   43.137381][   T12]  <TASK>
[   43.137443][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.137598][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.137796][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.137959][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.138077][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.138199][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.138315][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.138434][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.138557][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.138721][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.138842][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.138960][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.139076][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.139202][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.139319][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.139438][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.139562][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.139731][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.139853][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.139979][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.140095][   T12]  kthread (kernel/kthread.c:436)
[   43.140188][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.140334][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.140451][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.140570][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.140794][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.140911][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.141034][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.143198][   T12] ------------[ cut here ]------------
| [   43.143316][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   43.143545][   T12] Modules linked in: xfrm_user nf_tables
| [   43.143935][   T12] Tainted: [W]=WARN
[   43.144023][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.144172][   T12] Workqueue: netns cleanup_net
[   43.144293][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.144453][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.144873][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.145021][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a2171c0 RCX: 1ff4000000018eed
[   43.145201][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a21727c
[   43.145378][   T12] RBP: ff11000005119000 R08: 1fe2200001442e51 R09: ff11000001aed1d0
[   43.145560][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   43.145749][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.145926][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   43.146138][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.146286][   T12] CR2: 000055d3d5aabd40 CR3: 000000004994d001 CR4: 0000000000771ef0
[   43.146460][   T12] PKRU: 55555554
[   43.146552][   T12] Call Trace:
[   43.146639][   T12]  <TASK>
[   43.146705][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.146857][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.147002][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.147119][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.147243][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.147359][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.147477][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.147597][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.147722][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.147838][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.147959][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.148082][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.148200][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.148317][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.148434][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.148555][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.148687][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.148805][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.148928][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.149049][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.149171][   T12]  kthread (kernel/kthread.c:436)
[   43.149260][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.149404][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.149524][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.149647][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.149803][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.149924][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.150041][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.152201][   T12] ------------[ cut here ]------------
| [   43.152317][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   43.152547][   T12] Modules linked in: xfrm_user nf_tables
| [   43.153402][   T12] Tainted: [W]=WARN
[   43.153492][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.153647][   T12] Workqueue: netns cleanup_net
[   43.153819][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.153970][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.154392][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.154542][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a2178c0 RCX: 1ff4000000018eed
[   43.154766][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a21797c
[   43.154988][   T12] RBP: ff1100000f00c000 R08: 1fe2200001442f31 R09: ff11000001aed1d0
[   43.155170][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   43.155345][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.155523][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   43.155773][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.155921][   T12] CR2: 000055d3d5aabd40 CR3: 000000004994d001 CR4: 0000000000771ef0
[   43.156095][   T12] PKRU: 55555554
[   43.156188][   T12] Call Trace:
[   43.156276][   T12]  <TASK>
[   43.156337][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.156486][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.156633][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.156799][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.156919][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.157040][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.157164][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.157286][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.157409][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.157530][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.157699][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.157819][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.157937][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.158057][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.158177][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.158295][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.158417][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.158538][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.158706][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.158829][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.158946][   T12]  kthread (kernel/kthread.c:436)
[   43.159034][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.159184][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.159304][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.159426][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.159572][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.159737][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.159854][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.162505][   T12] ------------[ cut here ]------------
| [   43.162642][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   43.162892][   T12] Modules linked in: xfrm_user nf_tables
| [   43.163281][   T12] Tainted: [W]=WARN
[   43.163369][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.163518][   T12] Workqueue: netns cleanup_net
[   43.163639][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.163797][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.164220][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.164370][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a217c40 RCX: 1ff4000000018eed
[   43.164544][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a217cfc
[   43.164730][   T12] RBP: ff11000008bd9000 R08: 1fe2200001442fa1 R09: ff11000001aed1d0
[   43.164905][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   43.165087][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.165266][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   43.165468][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.165617][   T12] CR2: 00007f383191d574 CR3: 000000004994d005 CR4: 0000000000771ef0
[   43.165799][   T12] PKRU: 55555554
[   43.165886][   T12] Call Trace:
[   43.165973][   T12]  <TASK>
[   43.166034][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.166186][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.166333][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.166450][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.166568][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.166691][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.166813][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.166931][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.167050][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.167170][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.167288][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.167405][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.167523][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.167644][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.167765][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.167884][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.168004][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.168124][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.168255][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.168375][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.168493][   T12]  kthread (kernel/kthread.c:436)
[   43.168583][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.168740][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.168856][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.168973][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.169121][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.169241][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.169356][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.171489][   T12] ------------[ cut here ]------------
| [   43.171625][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   43.172615][   T12] Modules linked in: xfrm_user nf_tables
| [   43.173010][   T12] Tainted: [W]=WARN
[   43.173102][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.173254][   T12] Workqueue: netns cleanup_net
[   43.173374][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.173529][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.173944][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.174089][   T12] RAX: 00000000ffffffa6 RBX: ff1100001243e040 RCX: 1ff4000000018eed
[   43.174268][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243e0fc
[   43.174438][   T12] RBP: ff11000007f3c000 R08: 1fe2200002487c21 R09: ff11000001aed1d0
[   43.174613][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   43.174793][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.174967][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   43.175175][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.175324][   T12] CR2: 00007f383191d574 CR3: 000000004994d005 CR4: 0000000000771ef0
[   43.175497][   T12] PKRU: 55555554
[   43.175586][   T12] Call Trace:
[   43.175678][   T12]  <TASK>
[   43.175739][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.175894][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.176039][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.176160][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.176277][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.176391][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.176514][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.176632][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.176753][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.176870][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.176988][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.177106][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.177226][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.177342][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.177457][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.177578][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.177704][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.177819][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.177938][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.178058][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.178176][   T12]  kthread (kernel/kthread.c:436)
[   43.178264][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.178408][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.178528][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.178644][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.178793][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.178909][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.179030][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.191336][   T12] ------------[ cut here ]------------
| [   43.191473][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   43.191739][   T12] Modules linked in: xfrm_user nf_tables
| [   43.192152][   T12] Tainted: [W]=WARN
[   43.192244][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.192397][   T12] Workqueue: netns cleanup_net
[   43.192530][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.192740][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.193212][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   43.193364][   T12] RAX: 00000000ffffffa6 RBX: ff1100001243ec80 RCX: 1ff4000000018eaf
[   43.193551][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243ed3c
[   43.193763][   T12] RBP: ff1100000e4f1000 R08: 1fe2200002487da9 R09: ff11000001aed1d0
[   43.193948][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   43.194129][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fba9000
[   43.194319][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   43.194534][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.194694][   T12] CR2: 00007f383191d574 CR3: 000000004994d005 CR4: 0000000000771ef0
[   43.194879][   T12] PKRU: 55555554
[   43.194970][   T12] Call Trace:
[   43.195060][   T12]  <TASK>
[   43.195126][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.195257][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.195350][   T12]  netif_close_many (net/core/dev.c:1804)
[   43.195472][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.195597][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.195723][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.195845][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   43.195968][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   43.196121][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   43.196281][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.196402][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.196565][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.196694][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.196814][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.196967][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   43.197092][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.197223][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.197347][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.197469][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.197598][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.197728][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.197848][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.197972][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.198096][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.198224][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.198347][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.198468][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.198596][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.198727][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.198849][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.198975][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.199101][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.199228][   T12]  kthread (kernel/kthread.c:436)
[   43.199320][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.199473][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.199599][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.199725][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.199877][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.200003][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.200123][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.202509][   T12] ------------[ cut here ]------------
| [   43.202632][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   43.203316][   T12] Modules linked in: xfrm_user nf_tables
| [   43.203797][   T12] Tainted: [W]=WARN
[   43.203891][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.204043][   T12] Workqueue: netns cleanup_net
[   43.204176][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.204337][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.204827][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   43.204982][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b8843c0 RCX: 1ff4000000018eaf
[   43.205173][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b88447c
[   43.205354][   T12] RBP: ff1100000fba9000 R08: 1fe2200001710891 R09: ff11000001aed1d0
[   43.205542][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   43.205773][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000087e9000
[   43.206007][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   43.206228][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.206381][   T12] CR2: 00007f383191d574 CR3: 000000004994d005 CR4: 0000000000771ef0
[   43.206569][   T12] PKRU: 55555554
[   43.206791][   T12] Call Trace:
[   43.206897][   T12]  <TASK>
[   43.206965][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.207088][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   43.207217][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.207311][   T12]  netif_close_many (net/core/dev.c:1804)
[   43.207434][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.207560][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.207754][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.207877][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   43.208000][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   43.208159][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   43.208311][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.208442][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.208604][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.208777][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.208898][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.209051][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   43.209180][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.209308][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.209439][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.209566][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.209739][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.209863][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.209985][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.210109][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.210236][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.210357][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.210480][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.210603][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.210777][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.210904][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.211027][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.211158][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.211283][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.211404][   T12]  kthread (kernel/kthread.c:436)
[   43.211502][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.211703][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.211826][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.211951][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.212105][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.212231][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.212353][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.214744][   T12] ------------[ cut here ]------------
| [   43.214918][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.215221][   T12] Modules linked in: xfrm_user nf_tables
| [   43.215752][   T12] Tainted: [W]=WARN
[   43.215893][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.216096][   T12] Workqueue: netns cleanup_net
[   43.216278][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.216486][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.217002][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   43.217215][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b885a80 RCX: 1ff4000000018eaf
[   43.217447][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b885b3c
[   43.217708][   T12] RBP: ff110000087e9000 R08: 1fe2200001710b69 R09: ff11000001aed1d0
[   43.217944][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   43.218180][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   43.218412][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.218696][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.218902][   T12] CR2: 000055d3d5b6bd5c CR3: 0000000012a2e003 CR4: 0000000000771ef0
[   43.219153][   T12] PKRU: 55555554
[   43.219294][   T12] Call Trace:
[   43.219434][   T12]  <TASK>
[   43.219552][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.219736][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   43.219909][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.220056][   T12]  netif_close_many (net/core/dev.c:1804)
[   43.220236][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.220406][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.220585][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.220770][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   43.220943][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   43.221153][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   43.221357][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.221536][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.221752][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.221924][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.222095][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.222305][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   43.222479][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.222672][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.222845][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.223021][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.223203][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.223377][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.223554][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.223741][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.223914][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.224083][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.224268][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.224444][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.224627][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.224816][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.224988][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.225171][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.225348][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.225524][   T12]  kthread (kernel/kthread.c:436)
[   43.225680][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.225881][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.226053][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.226235][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.226438][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.226618][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.226802][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.229394][   T12] ------------[ cut here ]------------
| [   43.229561][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.229862][   T12] Modules linked in: xfrm_user nf_tables
| [   43.230352][   T12] Tainted: [W]=WARN
[   43.230488][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.230702][   T12] Workqueue: netns cleanup_net
[   43.230874][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.231077][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.231562][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   43.231773][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dff0200 RCX: 1ff4000000018ed5
[   43.231996][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dff02bc
[   43.232232][   T12] RBP: ff1100000e4f1000 R08: 1fe2200001bfe059 R09: ff11000001aed1d0
[   43.232457][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.232701][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.232926][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.233191][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.233387][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.233621][   T12] PKRU: 55555554
[   43.233766][   T12] Call Trace:
[   43.233902][   T12]  <TASK>
[   43.234011][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.234224][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.234420][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.234594][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.234773][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.234974][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.235152][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.235320][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.235489][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.235679][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.235850][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.236026][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.236205][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.236373][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.236543][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.236728][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.236899][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.237069][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.237248][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.237415][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.237595][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.237786][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.237954][   T12]  kthread (kernel/kthread.c:436)
[   43.238123][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.238339][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.238511][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.238697][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.238893][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.239061][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.239242][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.242163][   T12] ------------[ cut here ]------------
| [   43.242328][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.242615][   T12] Modules linked in: xfrm_user nf_tables
| [   43.243106][   T12] Tainted: [W]=WARN
[   43.243249][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.243446][   T12] Workqueue: netns cleanup_net
[   43.243622][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.243836][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.244311][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   43.244509][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dff0e40 RCX: 1ff4000000018ed5
[   43.244750][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dff0efc
[   43.244974][   T12] RBP: ff1100000fba9000 R08: 1fe2200001bfe1e1 R09: ff11000001aed1d0
[   43.245207][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.245431][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.245677][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.245930][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.246124][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.246392][   T12] PKRU: 55555554
[   43.246533][   T12] Call Trace:
[   43.246683][   T12]  <TASK>
[   43.246791][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.246991][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.247208][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.247375][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.247544][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.247763][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.247933][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.248100][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.248271][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.248440][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.248614][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.248790][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.248959][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.249130][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.249303][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.249471][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.249643][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.249825][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.249996][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.250172][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.250347][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.250525][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.250704][   T12]  kthread (kernel/kthread.c:436)
[   43.250843][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.251037][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.251211][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.251377][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.251583][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.251761][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.251928][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.255692][   T12] ------------[ cut here ]------------
| [   43.255857][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.256220][   T12] Modules linked in: xfrm_user nf_tables
| [   43.256870][   T12] Tainted: [W]=WARN
[   43.257010][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.257216][   T12] Workqueue: netns cleanup_net
[   43.257388][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.257596][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.258079][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   43.258316][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d3f5c40 RCX: 1ff4000000018ed5
[   43.258543][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3f5cfc
[   43.258777][   T12] RBP: ff110000087e9000 R08: 1fe2200001a7eba1 R09: ff11000001aed1d0
[   43.259002][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.259231][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.259485][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.259907][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.260269][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.260493][   T12] PKRU: 55555554
[   43.260638][   T12] Call Trace:
[   43.260786][   T12]  <TASK>
[   43.260894][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.261095][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.261299][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.261469][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.261640][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.261927][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.262097][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.262302][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.262484][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.262749][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.262919][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.263083][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.263262][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.263505][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.263759][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.263928][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.264180][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.264494][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.264685][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.264851][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.265020][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.265203][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.265400][   T12]  kthread (kernel/kthread.c:436)
[   43.265546][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.265756][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.265923][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.266091][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.266294][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.266463][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.266642][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.314425][   T12] ------------[ cut here ]------------
| [   43.314597][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.314890][   T12] Modules linked in: xfrm_user nf_tables
| [   43.315375][   T12] Tainted: [W]=WARN
[   43.315511][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.315719][   T12] Workqueue: netns cleanup_net
[   43.315887][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.316085][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.316556][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.316763][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda8740 RCX: 1ff4000000018eed
[   43.316983][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda87fc
[   43.317206][   T12] RBP: ff1100000e849000 R08: 1fe2200001bb5101 R09: ff11000001aed1d0
[   43.317426][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.317678][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.317902][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.318159][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.318356][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.318584][   T12] PKRU: 55555554
[   43.318782][   T12] Call Trace:
[   43.318971][   T12]  <TASK>
[   43.319124][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.319388][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.319697][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.319863][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.320029][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.320201][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.320366][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.320534][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.320719][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.320882][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.321050][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.321230][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.321392][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.321565][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.321743][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.321910][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.322078][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.322249][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.322419][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.322595][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.322771][   T12]  kthread (kernel/kthread.c:436)
[   43.322921][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.323114][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.323287][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.323451][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.323666][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.323830][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.323992][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.326568][   T12] ------------[ cut here ]------------
| [   43.326739][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.327008][   T12] Modules linked in: xfrm_user nf_tables
| [   43.327500][   T12] Tainted: [W]=WARN
[   43.327640][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.327850][   T12] Workqueue: netns cleanup_net
[   43.328018][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.328225][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.328702][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.328895][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda8ac0 RCX: 1ff4000000018eed
[   43.329116][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda8b7c
[   43.329345][   T12] RBP: ff1100000e4cc000 R08: 1fe2200001bb5171 R09: ff11000001aed1d0
[   43.329576][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.329808][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.330028][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.330284][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.330476][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.330719][   T12] PKRU: 55555554
[   43.330852][   T12] Call Trace:
[   43.330985][   T12]  <TASK>
[   43.331093][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.331297][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.331486][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.331668][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.331837][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.331999][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.332171][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.332337][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.332505][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.332685][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.332852][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.333018][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.333191][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.333358][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.333529][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.333709][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.333880][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.334044][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.334222][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.334398][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.334572][   T12]  kthread (kernel/kthread.c:436)
[   43.334721][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.334912][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.335077][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.335253][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.335444][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.335622][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.335800][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.338372][   T12] ------------[ cut here ]------------
| [   43.338532][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.338896][   T12] Modules linked in: xfrm_user nf_tables
| [   43.339509][   T12] Tainted: [W]=WARN
[   43.339708][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.339958][   T12] Workqueue: netns cleanup_net
[   43.340181][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.340427][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.340963][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.341218][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b59d000 RCX: 1ff4000000018eed
[   43.341493][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b59d0bc
[   43.341775][   T12] RBP: ff110000058cc000 R08: 1fe22000016b3a19 R09: ff11000001aed1d0
[   43.342039][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.342310][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.342581][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.342887][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.343121][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.343395][   T12] PKRU: 55555554
[   43.343573][   T12] Call Trace:
[   43.343762][   T12]  <TASK>
[   43.343914][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.344162][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.344399][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.344617][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.344836][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.345043][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.345265][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.345477][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.345707][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.345912][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.346122][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.346303][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.346463][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.346638][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.346816][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.346982][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.347159][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.347324][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.347491][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.347682][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.347845][   T12]  kthread (kernel/kthread.c:436)
[   43.347980][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.348178][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.348344][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.348512][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.348722][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.348887][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.349050][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.351464][   T12] ------------[ cut here ]------------
| [   43.351680][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.351950][   T12] Modules linked in: xfrm_user nf_tables
| [   43.352429][   T12] Tainted: [W]=WARN
[   43.352571][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.352899][   T12] Workqueue: netns cleanup_net
[   43.353162][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.353467][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.354066][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.354385][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b59cc80 RCX: 1ff4000000018eed
[   43.354715][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b59cd3c
[   43.355032][   T12] RBP: ff110000057f1000 R08: 1fe22000016b39a9 R09: ff11000001aed1d0
[   43.355361][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.355646][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.356000][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.356302][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.356552][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.356831][   T12] PKRU: 55555554
[   43.357008][   T12] Call Trace:
[   43.357189][   T12]  <TASK>
[   43.357341][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.357589][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.357839][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.358051][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.358275][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.358486][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.358714][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.358923][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.359144][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.359353][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.359568][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.359796][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.360001][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.360217][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.360424][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.360639][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.360865][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.361071][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.361292][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.361512][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.361766][   T12]  kthread (kernel/kthread.c:436)
[   43.361988][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.362268][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.362434][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.362610][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.362819][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.362984][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.363153][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.365535][   T12] ------------[ cut here ]------------
| [   43.365717][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.365993][   T12] Modules linked in: xfrm_user nf_tables
| [   43.366472][   T12] Tainted: [W]=WARN
[   43.366615][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.366929][   T12] Workqueue: netns cleanup_net
[   43.367197][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.367493][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.368074][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.368363][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b6740 RCX: 1ff4000000018eed
[   43.368689][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b67fc
[   43.369005][   T12] RBP: ff1100000a8dc000 R08: 1fe2200002036d01 R09: ff11000001aed1d0
[   43.369279][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.369557][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.369835][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.370127][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.370376][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.370710][   T12] PKRU: 55555554
[   43.370890][   T12] Call Trace:
[   43.371066][   T12]  <TASK>
[   43.371225][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.371465][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.371722][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.371932][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.372155][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.372362][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.372574][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.372800][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.373011][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.373253][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.373465][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.373732][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.373941][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.374159][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.374368][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.374581][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.374808][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.375015][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.375246][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.375525][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.375801][   T12]  kthread (kernel/kthread.c:436)
[   43.376029][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.376323][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.376588][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.376855][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.377151][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.377403][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.377621][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.396633][   T12] ------------[ cut here ]------------
| [   43.396818][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.397105][   T12] Modules linked in: xfrm_user nf_tables
| [   43.397624][   T12] Tainted: [W]=WARN
[   43.398163][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.398365][   T12] Workqueue: netns cleanup_net
[   43.398549][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.398771][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.399264][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   43.399464][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b6900 RCX: 1ff4000000018eaf
[   43.399714][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b69bc
[   43.399943][   T12] RBP: ff1100000f3a1000 R08: 1fe2200002036d39 R09: ff11000001aed1d0
[   43.400179][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   43.400411][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058d4000
[   43.400663][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.400924][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.401124][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.401364][   T12] PKRU: 55555554
[   43.401502][   T12] Call Trace:
[   43.401647][   T12]  <TASK>
[   43.401843][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.402021][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.402169][   T12]  netif_close_many (net/core/dev.c:1804)
[   43.402339][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.402511][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.402699][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.402870][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   43.403042][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   43.403254][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   43.403462][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.403642][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.403855][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.404029][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.404205][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.404406][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   43.404588][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.404773][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.404944][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.405115][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.405295][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.405467][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.405646][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.405833][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.406006][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.406179][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.406349][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.406525][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.406709][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.406884][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.407057][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.407239][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.407416][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.407593][   T12]  kthread (kernel/kthread.c:436)
[   43.407747][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.407947][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.408117][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.408297][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.408502][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.408690][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.408860][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.411541][   T12] ------------[ cut here ]------------
| [   43.412261][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.412623][   T12] Modules linked in: xfrm_user nf_tables
| [   43.413245][   T12] Tainted: [W]=WARN
[   43.413381][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.413589][   T12] Workqueue: netns cleanup_net
[   43.413779][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.413985][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.414490][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   43.414714][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b7e00 RCX: 1ff4000000018eaf
[   43.414941][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b7ebc
[   43.415176][   T12] RBP: ff110000058d4000 R08: 1fe2200002036fd9 R09: ff11000001aed1d0
[   43.415402][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   43.415640][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010279000
[   43.415885][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.416154][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.416354][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.416592][   T12] PKRU: 55555554
[   43.416743][   T12] Call Trace:
[   43.416884][   T12]  <TASK>
[   43.416993][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.417170][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   43.417343][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.417484][   T12]  netif_close_many (net/core/dev.c:1804)
[   43.417672][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.417840][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.418010][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.418186][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   43.418363][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   43.418572][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   43.418795][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.418968][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.419176][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.419347][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.419518][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.419763][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   43.419936][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.420111][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.420290][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.420461][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.420644][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.420831][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.421000][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.421182][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.421357][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.421529][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.421717][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.421916][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.422090][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.422275][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.422448][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.422634][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.422823][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.422993][   T12]  kthread (kernel/kthread.c:436)
[   43.423141][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.423344][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.423523][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.423705][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.423908][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.424092][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.424274][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.426968][   T12] ------------[ cut here ]------------
| [   43.427144][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.427434][   T12] Modules linked in: xfrm_user nf_tables
| [   43.428179][   T12] Tainted: [W]=WARN
[   43.428391][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.428689][   T12] Workqueue: netns cleanup_net
[   43.428941][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.429233][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.429836][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   43.430114][   T12] RAX: 00000000ffffffa6 RBX: ff11000004cae200 RCX: 1ff4000000018eaf
[   43.430428][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004cae2bc
[   43.430755][   T12] RBP: ff11000010279000 R08: 1fe2200000995c59 R09: ff11000001aed1d0
[   43.431065][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   43.431375][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   43.431704][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.432046][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.432335][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.432730][   T12] PKRU: 55555554
[   43.432940][   T12] Call Trace:
[   43.433155][   T12]  <TASK>
[   43.433338][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.433589][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   43.433845][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.434058][   T12]  netif_close_many (net/core/dev.c:1804)
[   43.434312][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.434565][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.434821][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.435064][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   43.435313][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   43.435597][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   43.435891][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.436142][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.436413][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.436600][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.436793][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.437005][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   43.437223][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.437405][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.437591][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.437787][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.437967][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.438155][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.438333][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.438523][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.438718][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.438894][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.439078][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.439267][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.439452][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.439646][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.439840][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.440026][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.440221][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.440402][   T12]  kthread (kernel/kthread.c:436)
[   43.440559][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.440786][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.440965][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.441152][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.441363][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.441549][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.441744][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.444402][   T12] ------------[ cut here ]------------
| [   43.444570][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.445612][   T12] Modules linked in: xfrm_user nf_tables
| [   43.446214][   T12] Tainted: [W]=WARN
[   43.446395][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.446707][   T12] Workqueue: netns cleanup_net
[   43.446930][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.447189][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.447721][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   43.447963][   T12] RAX: 00000000ffffffa6 RBX: ff11000004caf380 RCX: 1ff4000000018ed5
[   43.448242][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004caf43c
[   43.448514][   T12] RBP: ff1100000f3a1000 R08: 1fe2200000995e89 R09: ff11000001aed1d0
[   43.448797][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.449062][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.449357][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.449708][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.449949][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.450226][   T12] PKRU: 55555554
[   43.450406][   T12] Call Trace:
[   43.450591][   T12]  <TASK>
[   43.450762][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.451009][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.451253][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.451462][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.451694][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.451949][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.452169][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.452418][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.452638][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.452865][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.453196][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.453432][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.453735][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.453907][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.454074][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.454251][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.454416][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.454591][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.454774][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.454941][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.455112][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.455299][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.455465][   T12]  kthread (kernel/kthread.c:436)
[   43.455610][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.455823][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.455990][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.456163][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.456359][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.456531][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.456713][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.459536][   T12] ------------[ cut here ]------------
| [   43.460148][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.460488][   T12] Modules linked in: xfrm_user nf_tables
| [   43.461082][   T12] Tainted: [W]=WARN
[   43.461271][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.461522][   T12] Workqueue: netns cleanup_net
[   43.461750][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.461998][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.462526][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   43.462778][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a952040 RCX: 1ff4000000018ed5
[   43.463043][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9520fc
[   43.463316][   T12] RBP: ff110000058d4000 R08: 1fe220000152a421 R09: ff11000001aed1d0
[   43.463589][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.463874][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.464152][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.464452][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.464724][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.464998][   T12] PKRU: 55555554
[   43.465186][   T12] Call Trace:
[   43.465394][   T12]  <TASK>
[   43.465555][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.465809][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.466045][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.466263][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.466516][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.466730][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.466897][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.467063][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.467237][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.467403][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.467579][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.467756][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.467923][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.468090][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.468264][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.468441][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.468613][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.468793][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.468962][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.469126][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.469309][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.469479][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.469662][   T12]  kthread (kernel/kthread.c:436)
[   43.469798][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.469994][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.470166][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.470335][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.470531][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.470712][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.470878][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.474789][   T12] ------------[ cut here ]------------
| [   43.474926][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   43.475214][   T12] Modules linked in: xfrm_user nf_tables
| [   43.475630][   T12] Tainted: [W]=WARN
[   43.475729][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.475877][   T12] Workqueue: netns cleanup_net
[   43.475999][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.476160][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.476580][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   43.476740][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a952c80 RCX: 1ff4000000018ed5
[   43.476915][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a952d3c
[   43.477089][   T12] RBP: ff11000010279000 R08: 1fe220000152a5a9 R09: ff11000001aed1d0
[   43.477266][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   43.477447][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.477625][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   43.477835][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.477988][   T12] CR2: 000055d401a04bd8 CR3: 000000004994d001 CR4: 0000000000771ef0
[   43.478169][   T12] PKRU: 55555554
[   43.478259][   T12] Call Trace:
[   43.478346][   T12]  <TASK>
[   43.478408][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.478562][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.478715][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.478834][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.478950][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.479098][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.479222][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.479338][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.479455][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.479576][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.479757][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.479874][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.479998][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.480117][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.480241][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.480359][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.480476][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.480598][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.480767][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.480883][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.481003][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.481125][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.481250][   T12]  kthread (kernel/kthread.c:436)
[   43.481341][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.481488][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.481613][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.481779][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.481971][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.482088][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.482208][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.534263][   T12] ------------[ cut here ]------------
| [   43.534398][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   43.534633][   T12] Modules linked in: xfrm_user nf_tables
| [   43.535028][   T12] Tainted: [W]=WARN
[   43.535116][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.535269][   T12] Workqueue: netns cleanup_net
[   43.535388][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.535543][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.535972][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.536122][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246f000 RCX: 1ff4000000018eed
[   43.536302][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246f0bc
[   43.536487][   T12] RBP: ff11000012b7c000 R08: 1fe220000248de19 R09: ff11000001aed1d0
[   43.536693][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   43.536870][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.537047][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   43.537256][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.537403][   T12] CR2: 000055d401a04bd8 CR3: 000000004994d001 CR4: 0000000000771ef0
[   43.537581][   T12] PKRU: 55555554
[   43.537673][   T12] Call Trace:
[   43.537758][   T12]  <TASK>
[   43.537819][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.537967][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.538109][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.538231][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.538352][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.538467][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.538585][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.538712][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.538829][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.538948][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.539066][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.539187][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.539304][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.539420][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.539536][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.539658][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.539781][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.539895][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.540016][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.540140][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.540254][   T12]  kthread (kernel/kthread.c:436)
[   43.540341][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.540490][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.540609][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.540731][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.540881][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.540996][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.541115][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.543251][   T12] ------------[ cut here ]------------
| [   43.543367][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   43.543596][   T12] Modules linked in: xfrm_user nf_tables
| [   43.544245][   T12] Tainted: [W]=WARN
[   43.544333][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.544476][   T12] Workqueue: netns cleanup_net
[   43.544599][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.544807][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.545221][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.545369][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246e580 RCX: 1ff4000000018eed
[   43.545540][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e63c
[   43.545794][   T12] RBP: ff1100000d274000 R08: 1fe220000248dcc9 R09: ff11000001aed1d0
[   43.545966][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   43.546188][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.546363][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   43.546567][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.546724][   T12] CR2: 000055d401a04bd8 CR3: 000000004994d001 CR4: 0000000000771ef0
[   43.546897][   T12] PKRU: 55555554
[   43.546983][   T12] Call Trace:
[   43.547073][   T12]  <TASK>
[   43.547138][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.547285][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.547427][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.547544][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.547663][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.547779][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.547893][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.548010][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.548126][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.548246][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.548367][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.548484][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.548605][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.548729][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.548844][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.548960][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.549079][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.549199][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.549319][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.549438][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.549557][   T12]  kthread (kernel/kthread.c:436)
[   43.549643][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.549790][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.549904][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.550019][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.550168][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.550283][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.550402][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.552527][   T12] ------------[ cut here ]------------
| [   43.552642][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   43.553274][   T12] Modules linked in: xfrm_user nf_tables
| [   43.553699][   T12] Tainted: [W]=WARN
[   43.553831][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.553974][   T12] Workqueue: netns cleanup_net
[   43.554095][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.554251][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.554715][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.554860][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bbea580 RCX: 1ff4000000018eed
[   43.555033][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbea63c
[   43.555208][   T12] RBP: ff1100000f019000 R08: 1fe220000177d4c9 R09: ff11000001aed1d0
[   43.555378][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   43.555553][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.555774][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   43.555974][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.556117][   T12] CR2: 000055d401a04bd8 CR3: 000000004994d001 CR4: 0000000000771ef0
[   43.556294][   T12] PKRU: 55555554
[   43.556379][   T12] Call Trace:
[   43.556466][   T12]  <TASK>
[   43.556530][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.556722][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.556865][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.556980][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.557100][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.557219][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.557338][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.557455][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.557574][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.557732][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.557850][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.557966][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.558079][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.558200][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.558314][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.558432][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.558555][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.558716][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.558836][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.558956][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.559072][   T12]  kthread (kernel/kthread.c:436)
[   43.559163][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.559307][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.559423][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.559541][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.559730][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.559849][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.559964][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.561978][   T12] ------------[ cut here ]------------
| [   43.562106][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   43.562341][   T12] Modules linked in: xfrm_user nf_tables
| [   43.562739][   T12] Tainted: [W]=WARN
[   43.562827][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.562977][   T12] Workqueue: netns cleanup_net
[   43.563097][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.563253][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.563704][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.563853][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bbea900 RCX: 1ff4000000018eed
[   43.564024][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbea9bc
[   43.564219][   T12] RBP: ff11000014df4000 R08: 1fe220000177d539 R09: ff11000001aed1d0
[   43.564390][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   43.564568][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.564757][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   43.564960][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.565105][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000d4c8003 CR4: 0000000000771ef0
[   43.565281][   T12] PKRU: 55555554
[   43.565367][   T12] Call Trace:
[   43.565453][   T12]  <TASK>
[   43.565515][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.565668][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.565813][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.565933][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.566054][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.566175][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.566291][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.566408][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.566528][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.566644][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.566768][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.566883][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.567009][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.567124][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.567245][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.567361][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.567481][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.567599][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.567728][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.567846][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.567961][   T12]  kthread (kernel/kthread.c:436)
[   43.568048][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.568196][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.568312][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.568428][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.568574][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.568693][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.568808][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.571400][   T12] ------------[ cut here ]------------
| [   43.571537][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   43.571777][   T12] Modules linked in: xfrm_user nf_tables
| [   43.572167][   T12] Tainted: [W]=WARN
[   43.572254][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.572396][   T12] Workqueue: netns cleanup_net
[   43.572521][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.572679][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.573090][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.573241][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bbeac80 RCX: 1ff4000000018eed
[   43.573412][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbead3c
[   43.573586][   T12] RBP: ff11000009034000 R08: 1fe220000177d5a9 R09: ff11000001aed1d0
[   43.573764][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   43.573935][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.574107][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   43.574312][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.574458][   T12] CR2: 0000558b8d98b2b8 CR3: 000000001002a005 CR4: 0000000000771ef0
[   43.574636][   T12] PKRU: 55555554
[   43.574734][   T12] Call Trace:
[   43.574821][   T12]  <TASK>
[   43.574882][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.575029][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.575178][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.575295][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.575414][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.575532][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.575648][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.575770][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.575887][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.576000][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.576118][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.576240][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.576353][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.576470][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.576589][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.576712][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.576835][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.576950][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.577069][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.577195][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.577309][   T12]  kthread (kernel/kthread.c:436)
[   43.577395][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.577539][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.577659][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.577773][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.577916][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.578032][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.578151][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.589146][   T12] ------------[ cut here ]------------
| [   43.589278][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   43.589548][   T12] Modules linked in: xfrm_user nf_tables
| [   43.589957][   T12] Tainted: [W]=WARN
[   43.590051][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.590205][   T12] Workqueue: netns cleanup_net
[   43.590329][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.590487][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.590933][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   43.591086][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bbeae40 RCX: 1ff4000000018eaf
[   43.591270][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbeaefc
[   43.591450][   T12] RBP: ff11000002934000 R08: 1fe220000177d5e1 R09: ff11000001aed1d0
[   43.591632][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   43.591862][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f0bc000
[   43.592042][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   43.592254][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.592403][   T12] CR2: 00007f3b8e36e000 CR3: 000000004994d006 CR4: 0000000000771ef0
[   43.592587][   T12] PKRU: 55555554
[   43.592728][   T12] Call Trace:
[   43.592817][   T12]  <TASK>
[   43.592881][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.593003][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.593146][   T12]  netif_close_many (net/core/dev.c:1804)
[   43.593265][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.593384][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.593507][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.593627][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   43.593796][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   43.593952][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   43.594103][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.594227][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.594378][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.594500][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.594623][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.594823][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   43.594945][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.595066][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.595190][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.595310][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.595432][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.595559][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.595729][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.595853][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.595972][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.596090][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.596216][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.596334][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.596456][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.596586][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.596754][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.596878][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.597002][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.597121][   T12]  kthread (kernel/kthread.c:436)
[   43.597218][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.597366][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.597488][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.597612][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.597809][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.597929][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.598049][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.600413][   T12] ------------[ cut here ]------------
| [   43.600549][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   43.600798][   T12] Modules linked in: xfrm_user nf_tables
| [   43.601203][   T12] Tainted: [W]=WARN
[   43.601293][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.601443][   T12] Workqueue: netns cleanup_net
[   43.601578][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.601740][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.602171][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   43.602320][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a8f83c0 RCX: 1ff4000000018eaf
[   43.602498][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8f847c
[   43.602693][   T12] RBP: ff1100000f0bc000 R08: 1fe220000151f091 R09: ff11000001aed1d0
[   43.602871][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   43.603049][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eb9c000
[   43.603234][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   43.603445][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.603600][   T12] CR2: 000055d401a04bd8 CR3: 000000004994d001 CR4: 0000000000771ef0
[   43.603833][   T12] PKRU: 55555554
[   43.603924][   T12] Call Trace:
[   43.604013][   T12]  <TASK>
[   43.604077][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.604202][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   43.604329][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.604422][   T12]  netif_close_many (net/core/dev.c:1804)
[   43.604543][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.604693][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.604813][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.604935][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   43.605058][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   43.605214][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   43.605367][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.605489][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.605641][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.605767][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.605891][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.606043][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   43.606173][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.606296][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.606417][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.606542][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.606667][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.606791][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.606910][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.607034][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.607162][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.607284][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.607407][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.607531][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.607659][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.607785][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.607906][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.608032][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.608165][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.608286][   T12]  kthread (kernel/kthread.c:436)
[   43.608377][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.608531][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.608657][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.608785][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.608935][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.609055][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.609182][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.611632][   T12] ------------[ cut here ]------------
| [   43.611781][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   43.612026][   T12] Modules linked in: xfrm_user nf_tables
| [   43.612435][   T12] Tainted: [W]=WARN
[   43.612531][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.612692][   T12] Workqueue: netns cleanup_net
[   43.612819][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.612976][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.613421][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   43.613575][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a8f9a80 RCX: 1ff4000000018eaf
[   43.613811][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8f9b3c
[   43.614009][   T12] RBP: ff1100000eb9c000 R08: 1fe220000151f369 R09: ff11000001aed1d0
[   43.614198][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   43.614382][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   43.614570][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   43.614791][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.614948][   T12] CR2: 000055d401a04bd8 CR3: 000000004994d001 CR4: 0000000000771ef0
[   43.615130][   T12] PKRU: 55555554
[   43.615227][   T12] Call Trace:
[   43.615317][   T12]  <TASK>
[   43.615380][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.615504][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   43.615628][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.615725][   T12]  netif_close_many (net/core/dev.c:1804)
[   43.615845][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.615965][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.616087][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.616214][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   43.616335][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   43.616486][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   43.616640][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.616766][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.616915][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.617036][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.617164][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.617313][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   43.617435][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.617562][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.617689][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.617811][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.617935][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.618057][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.618184][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.618307][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.618429][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.618553][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.618681][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.618799][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.618922][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.619046][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.619174][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.619298][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.619422][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.619544][   T12]  kthread (kernel/kthread.c:436)
[   43.619635][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.619792][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.619912][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.620032][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.620188][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.620309][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.620429][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.622548][   T12] ------------[ cut here ]------------
| [   43.622681][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   43.622906][   T12] Modules linked in: xfrm_user nf_tables
| [   43.623297][   T12] Tainted: [W]=WARN
[   43.623385][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.623535][   T12] Workqueue: netns cleanup_net
[   43.624186][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.624343][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.624817][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   43.624963][   T12] RAX: 00000000ffffffa6 RBX: ff11000012120c80 RCX: 1ff4000000018ed5
[   43.625141][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012120d3c
[   43.625317][   T12] RBP: ff11000002934000 R08: 1fe22000024241a9 R09: ff11000001aed1d0
[   43.625502][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   43.625729][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.625906][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   43.626112][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.626307][   T12] CR2: 000055d401a04bd8 CR3: 000000004994d001 CR4: 0000000000771ef0
[   43.626484][   T12] PKRU: 55555554
[   43.626576][   T12] Call Trace:
[   43.626707][   T12]  <TASK>
[   43.626769][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.626919][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.627066][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.627189][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.627306][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.627455][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.627689][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.627824][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.627940][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.628060][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.628186][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.628302][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.628470][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.628595][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.628761][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.628879][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.628995][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.629114][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.629243][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.629359][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.629479][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.629604][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.629767][   T12]  kthread (kernel/kthread.c:436)
[   43.629855][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.630000][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.630117][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.630239][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.630385][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.630507][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.630624][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.633895][   T12] ------------[ cut here ]------------
| [   43.634061][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.634345][   T12] Modules linked in: xfrm_user nf_tables
| [   43.634846][   T12] Tainted: [W]=WARN
[   43.634980][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.635180][   T12] Workqueue: netns cleanup_net
[   43.635352][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.635562][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.636056][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   43.636261][   T12] RAX: 00000000ffffffa6 RBX: ff110000121218c0 RCX: 1ff4000000018ed5
[   43.636483][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001212197c
[   43.636724][   T12] RBP: ff1100000f0bc000 R08: 1fe2200002424331 R09: ff11000001aed1d0
[   43.636954][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.637179][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.637401][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.637703][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.637909][   T12] CR2: 00007f95cd9e7574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.638141][   T12] PKRU: 55555554
[   43.638276][   T12] Call Trace:
[   43.638437][   T12]  <TASK>
[   43.638550][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.638764][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.638955][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.639120][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.639292][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.639492][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.639680][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.639845][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.640038][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.640211][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.640379][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.640548][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.640731][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.640909][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.641071][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.641251][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.641416][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.641591][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.641777][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.641944][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.642113][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.642290][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.642456][   T12]  kthread (kernel/kthread.c:436)
[   43.642602][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.642809][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.642977][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.643148][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.643342][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.643509][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.643692][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.646436][   T12] ------------[ cut here ]------------
| [   43.646605][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.646896][   T12] Modules linked in: xfrm_user nf_tables
| [   43.647383][   T12] Tainted: [W]=WARN
[   43.647519][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.647725][   T12] Workqueue: netns cleanup_net
[   43.647893][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.648090][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.648591][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   43.648825][   T12] RAX: 00000000ffffffa6 RBX: ff11000008d26580 RCX: 1ff4000000018ed5
[   43.649076][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d2663c
[   43.649305][   T12] RBP: ff1100000eb9c000 R08: 1fe22000011a4cc9 R09: ff11000001aed1d0
[   43.649529][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.649758][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.649979][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.650237][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.650433][   T12] CR2: 00007f95cd9e7574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.650676][   T12] PKRU: 55555554
[   43.650810][   T12] Call Trace:
[   43.650944][   T12]  <TASK>
[   43.651051][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.651259][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.651451][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.651639][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.651814][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.652010][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.652182][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.652347][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.652514][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.652697][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.652867][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.653028][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.653204][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.653369][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.653537][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.653728][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.653894][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.654061][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.654276][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.654439][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.654614][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.654795][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.654957][   T12]  kthread (kernel/kthread.c:436)
[   43.655092][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.655293][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.655460][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.655633][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.655838][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.656002][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.656174][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.688625][   T12] ------------[ cut here ]------------
| [   43.688795][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.689067][   T12] Modules linked in: xfrm_user nf_tables
| [   43.689545][   T12] Tainted: [W]=WARN
[   43.689691][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.689882][   T12] Workqueue: netns cleanup_net
[   43.690049][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.690253][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.690740][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.690930][   T12] RAX: 00000000ffffffa6 RBX: ff11000008d27380 RCX: 1ff4000000018eed
[   43.691156][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d2743c
[   43.691403][   T12] RBP: ff1100000ea29000 R08: 1fe22000011a4e89 R09: ff11000001aed1d0
[   43.691627][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.691858][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.692079][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.692331][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.692523][   T12] CR2: 00007f95cd9e7574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.692758][   T12] PKRU: 55555554
[   43.692898][   T12] Call Trace:
[   43.693029][   T12]  <TASK>
[   43.693157][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.693355][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.693549][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.693725][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.693887][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.694047][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.694219][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.694387][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.694559][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.694728][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.694894][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.695055][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.695222][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.695386][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.695552][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.695731][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.695908][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.696071][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.696244][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.696411][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.696579][   T12]  kthread (kernel/kthread.c:436)
[   43.696726][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.696918][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.697081][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.697255][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.697444][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.697613][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.697789][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.700343][   T12] ------------[ cut here ]------------
| [   43.700502][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.700792][   T12] Modules linked in: xfrm_user nf_tables
| [   43.701270][   T12] Tainted: [W]=WARN
[   43.701401][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.701611][   T12] Workqueue: netns cleanup_net
[   43.701818][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.702023][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.702482][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.702691][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fee5540 RCX: 1ff4000000018eed
[   43.702911][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fee55fc
[   43.703128][   T12] RBP: ff11000005b0c000 R08: 1fe2200001fdcac1 R09: ff11000001aed1d0
[   43.703352][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.703576][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.703811][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.704057][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.704258][   T12] CR2: 00007f95cd9e7574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.704475][   T12] PKRU: 55555554
[   43.704610][   T12] Call Trace:
[   43.704756][   T12]  <TASK>
[   43.704862][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.705058][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.705255][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.705419][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.705589][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.705760][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.705926][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.706093][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.706266][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.706426][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.706596][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.706772][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.706932][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.707095][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.707263][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.707458][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.707632][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.707806][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.707973][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.708146][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.708313][   T12]  kthread (kernel/kthread.c:436)
[   43.708446][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.708643][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.708817][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.708983][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.709179][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.709340][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.709507][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.712079][   T12] ------------[ cut here ]------------
| [   43.712246][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.712515][   T12] Modules linked in: xfrm_user nf_tables
| [   43.712998][   T12] Tainted: [W]=WARN
[   43.713129][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.713327][   T12] Workqueue: netns cleanup_net
[   43.713491][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.713701][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.714158][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.714347][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fee4200 RCX: 1ff4000000018eed
[   43.714569][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fee42bc
[   43.714794][   T12] RBP: ff1100000f0b9000 R08: 1fe2200001fdc859 R09: ff11000001aed1d0
[   43.715009][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.715233][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.715450][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.715714][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.715904][   T12] CR2: 00007f95cd9e7574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.716122][   T12] PKRU: 55555554
[   43.716261][   T12] Call Trace:
[   43.716391][   T12]  <TASK>
[   43.716495][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.716705][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.716892][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.717053][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.717222][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.717382][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.717552][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.717727][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.717890][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.718049][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.718219][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.718382][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.718545][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.718726][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.718886][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.719048][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.719222][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.719383][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.719554][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.719734][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.719895][   T12]  kthread (kernel/kthread.c:436)
[   43.720030][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.720227][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.720388][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.720558][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.720757][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.720919][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.721088][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.723959][   T12] ------------[ cut here ]------------
| [   43.724189][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.724461][   T12] Modules linked in: xfrm_user nf_tables
| [   43.725016][   T12] Tainted: [W]=WARN
[   43.725153][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.725340][   T12] Workqueue: netns cleanup_net
[   43.725586][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.725793][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.726253][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.726440][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fee4580 RCX: 1ff4000000018eed
[   43.726746][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fee463c
[   43.726959][   T12] RBP: ff11000002931000 R08: 1fe2200001fdc8c9 R09: ff11000001aed1d0
[   43.727178][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.727465][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.727702][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.728015][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.728207][   T12] CR2: 00007f95cd9e7574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.728422][   T12] PKRU: 55555554
[   43.728559][   T12] Call Trace:
[   43.728773][   T12]  <TASK>
[   43.728879][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.729070][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.729263][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.729494][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.729674][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.729837][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.729998][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.730240][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.730405][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.730574][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.730753][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.730986][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.731153][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.731315][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.731476][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.731644][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.731822][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.732054][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.732230][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.732397][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.732717][   T12]  kthread (kernel/kthread.c:436)
[   43.732851][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.733040][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.733208][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.733442][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.733639][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.733884][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.734116][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.737041][   T12] ------------[ cut here ]------------
| [   43.737206][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.737622][   T12] Modules linked in: xfrm_user nf_tables
| [   43.738251][   T12] Tainted: [W]=WARN
[   43.738381][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.738579][   T12] Workqueue: netns cleanup_net
[   43.738832][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.739027][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.739491][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.739843][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246e900 RCX: 1ff4000000018eed
[   43.740060][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e9bc
[   43.740358][   T12] RBP: ff11000012af9000 R08: 1fe220000248dd39 R09: ff11000001aed1d0
[   43.740583][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.740811][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.741129][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.741459][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.741668][   T12] CR2: 00007f95cd9e7574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.741885][   T12] PKRU: 55555554
[   43.742015][   T12] Call Trace:
[   43.742152][   T12]  <TASK>
[   43.742257][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.742527][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.742803][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.742965][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.743127][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.743297][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.743532][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.743710][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.743877][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.744107][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.744282][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.744446][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.744613][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.744791][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.744952][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.745116][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.745293][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.745456][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.745631][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.745811][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.745972][   T12]  kthread (kernel/kthread.c:436)
[   43.746180][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.746369][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.746539][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.746716][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.746976][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.747144][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.747306][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.773668][   T12] ------------[ cut here ]------------
| [   43.773837][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.774118][   T12] Modules linked in: xfrm_user nf_tables
| [   43.774620][   T12] Tainted: [W]=WARN
[   43.774917][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.775112][   T12] Workqueue: netns cleanup_net
[   43.775301][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.775506][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.775997][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   43.776203][   T12] RAX: 00000000ffffffa6 RBX: ff110000059bfa80 RCX: 1ff4000000018eaf
[   43.776427][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000059bfb3c
[   43.776674][   T12] RBP: ff1100000fe21000 R08: 1fe2200000b37f69 R09: ff11000001aed1d0
[   43.776898][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   43.777121][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012bf9000
[   43.777354][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.777620][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.777826][   T12] CR2: 00007f95cd9e7574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.778052][   T12] PKRU: 55555554
[   43.778196][   T12] Call Trace:
[   43.778331][   T12]  <TASK>
[   43.778438][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.778614][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.778764][   T12]  netif_close_many (net/core/dev.c:1804)
[   43.778932][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.779096][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.779268][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.779433][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   43.779606][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   43.779816][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   43.780012][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.780189][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.780381][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.780554][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.780731][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.780927][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   43.781096][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.781271][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.781439][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.781611][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.781789][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.781957][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.782119][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.782327][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.782495][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.782679][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.782852][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.783019][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.783204][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.783402][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.783576][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.783760][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.783959][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.784127][   T12]  kthread (kernel/kthread.c:436)
[   43.784273][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.784467][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.784640][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.784820][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.785013][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.785186][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.785355][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.787962][   T12] ------------[ cut here ]------------
| [   43.788122][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.788412][   T12] Modules linked in: xfrm_user nf_tables
| [   43.789365][   T12] Tainted: [W]=WARN
[   43.789559][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.789813][   T12] Workqueue: netns cleanup_net
[   43.790033][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.790289][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.790826][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   43.791072][   T12] RAX: 00000000ffffffa6 RBX: ff110000059beac0 RCX: 1ff4000000018eaf
[   43.791349][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000059beb7c
[   43.791633][   T12] RBP: ff11000012bf9000 R08: 1fe2200000b37d71 R09: ff11000001aed1d0
[   43.791917][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   43.792193][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e584000
[   43.792463][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.792779][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.793018][   T12] CR2: 00007f95cd9e7574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.793293][   T12] PKRU: 55555554
[   43.793474][   T12] Call Trace:
[   43.793673][   T12]  <TASK>
[   43.793826][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.794037][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   43.794256][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.794437][   T12]  netif_close_many (net/core/dev.c:1804)
[   43.794667][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.794876][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.795083][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.795304][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   43.795522][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   43.795775][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   43.796015][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.796234][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.796474][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.796714][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.796950][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.797196][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   43.797411][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.797678][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.797891][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.798127][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.798359][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.798585][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.798825][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.799049][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.799294][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.799468][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.799645][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.799821][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.799989][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.800165][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.800329][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.800497][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.800687][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.800850][   T12]  kthread (kernel/kthread.c:436)
[   43.800989][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.801191][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.801361][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.801529][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.801734][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.801899][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.802067][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.804703][   T12] ------------[ cut here ]------------
| [   43.804866][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.805150][   T12] Modules linked in: xfrm_user nf_tables
| [   43.805916][   T12] Tainted: [W]=WARN
[   43.806098][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.806349][   T12] Workqueue: netns cleanup_net
[   43.806572][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.806834][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.807348][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   43.807597][   T12] RAX: 00000000ffffffa6 RBX: ff110000154de200 RCX: 1ff4000000018eaf
[   43.807875][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000154de2bc
[   43.808150][   T12] RBP: ff1100000e584000 R08: 1fe2200002a9bc59 R09: ff11000001aed1d0
[   43.808416][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   43.808705][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   43.808973][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.809277][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.809524][   T12] CR2: 00007f95cd9e7574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.809808][   T12] PKRU: 55555554
[   43.809986][   T12] Call Trace:
[   43.810172][   T12]  <TASK>
[   43.810327][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.810548][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   43.810772][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.810954][   T12]  netif_close_many (net/core/dev.c:1804)
[   43.811170][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.811379][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.811594][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.811817][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   43.812027][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   43.812276][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   43.812526][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.812887][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.813181][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.813439][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.813616][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.813819][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   43.813988][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.814160][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.814326][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.814492][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.814677][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.814847][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.815010][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.815190][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.815356][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.815522][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.815701][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.815867][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.816039][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.816214][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.816380][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.816555][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.816734][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.816898][   T12]  kthread (kernel/kthread.c:436)
[   43.817034][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.817237][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.817407][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.817580][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.817787][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.817954][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.818120][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.820746][   T12] ------------[ cut here ]------------
| [   43.820902][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.821178][   T12] Modules linked in: xfrm_user nf_tables
| [   43.822115][   T12] Tainted: [W]=WARN
[   43.822301][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.822549][   T12] Workqueue: netns cleanup_net
[   43.822771][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.823011][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.823523][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   43.823771][   T12] RAX: 00000000ffffffa6 RBX: ff110000154df380 RCX: 1ff4000000018ed5
[   43.824028][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000154df43c
[   43.824297][   T12] RBP: ff1100000fe21000 R08: 1fe2200002a9be89 R09: ff11000001aed1d0
[   43.824561][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.824828][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.825088][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.825389][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.825630][   T12] CR2: 00007f95cd9e7574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.825902][   T12] PKRU: 55555554
[   43.826076][   T12] Call Trace:
[   43.826255][   T12]  <TASK>
[   43.826405][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.826705][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.826939][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.827151][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.827355][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.827598][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.827816][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.828022][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.828235][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.828460][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.828798][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.829026][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.829314][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.829546][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.829719][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.829883][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.830048][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.830220][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.830388][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.830559][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.830737][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.830903][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.831065][   T12]  kthread (kernel/kthread.c:436)
[   43.831206][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.831399][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.831568][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.831744][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.831935][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.832096][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.832268][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.835095][   T12] ------------[ cut here ]------------
| [   43.835263][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.835546][   T12] Modules linked in: xfrm_user nf_tables
| [   43.836470][   T12] Tainted: [W]=WARN
[   43.836668][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.836903][   T12] Workqueue: netns cleanup_net
[   43.837119][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.837372][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.837893][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   43.838130][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fee5000 RCX: 1ff4000000018ed5
[   43.838410][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fee50bc
[   43.838693][   T12] RBP: ff11000012bf9000 R08: 1fe2200001fdca19 R09: ff11000001aed1d0
[   43.838956][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.839245][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.839517][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.839824][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.840061][   T12] CR2: 00007f95cd9e7574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.840335][   T12] PKRU: 55555554
[   43.840516][   T12] Call Trace:
[   43.840710][   T12]  <TASK>
[   43.840865][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.841105][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.841343][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.841557][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.841774][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.842013][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.842227][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.842437][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.842758][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.843022][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.843279][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.843465][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.843649][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.843828][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.844016][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.844223][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.844414][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.844588][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.844768][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.844931][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.845096][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.845272][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.845436][   T12]  kthread (kernel/kthread.c:436)
[   43.845577][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.845780][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.845942][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.846103][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.846298][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.846460][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.846634][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.849409][   T12] ------------[ cut here ]------------
| [   43.849599][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.850346][   T12] Modules linked in: xfrm_user nf_tables
| [   43.850933][   T12] Tainted: [W]=WARN
[   43.851111][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.851356][   T12] Workqueue: netns cleanup_net
[   43.851572][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.851828][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.852337][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   43.852577][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ce11380 RCX: 1ff4000000018ed5
[   43.852852][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce1143c
[   43.853156][   T12] RBP: ff1100000e584000 R08: 1fe22000019c2289 R09: ff11000001aed1d0
[   43.853435][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.853720][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.853983][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.854280][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.854519][   T12] CR2: 00007f95cd9e7574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.854796][   T12] PKRU: 55555554
[   43.854974][   T12] Call Trace:
[   43.855158][   T12]  <TASK>
[   43.855311][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.855559][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.855802][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.856009][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.856268][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   43.856563][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   43.856841][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   43.857102][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   43.857357][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   43.857613][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   43.857877][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.858142][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.858357][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.858525][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.858700][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.858865][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.859028][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.859200][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.859365][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.859529][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.859713][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.859879][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.860041][   T12]  kthread (kernel/kthread.c:436)
[   43.860180][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.860372][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.860538][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.860716][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.860907][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.861069][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.861242][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.908594][   T12] ------------[ cut here ]------------
| [   43.908774][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.909051][   T12] Modules linked in: xfrm_user nf_tables
| [   43.909541][   T12] Tainted: [W]=WARN
[   43.909690][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.909880][   T12] Workqueue: netns cleanup_net
[   43.910048][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.910256][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.910743][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.910936][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda98c0 RCX: 1ff4000000018eed
[   43.911163][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda997c
[   43.911382][   T12] RBP: ff1100000de2c000 R08: 1fe2200001bb5331 R09: ff11000001aed1d0
[   43.911607][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.911839][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.912062][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.912319][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.912514][   T12] CR2: 00007f95cd9e7574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.912753][   T12] PKRU: 55555554
[   43.912887][   T12] Call Trace:
[   43.913020][   T12]  <TASK>
[   43.913126][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.913334][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.913528][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.913703][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.913868][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.914030][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.914205][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.914369][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.914542][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.914723][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.914890][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.915054][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.915224][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.915391][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.915561][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.915738][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.915905][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.916073][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.916248][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.916415][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.916587][   T12]  kthread (kernel/kthread.c:436)
[   43.916730][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.916920][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.917083][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.917258][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.917450][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.917620][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.917794][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.920397][   T12] ------------[ cut here ]------------
| [   43.920557][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.921225][   T12] Modules linked in: xfrm_user nf_tables
| [   43.921722][   T12] Tainted: [W]=WARN
[   43.921855][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.922046][   T12] Workqueue: netns cleanup_net
[   43.922226][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.922424][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.922901][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.923094][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b72d000 RCX: 1ff4000000018eed
[   43.923318][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72d0bc
[   43.923541][   T12] RBP: ff1100000dec1000 R08: 1fe22000016e5a19 R09: ff11000001aed1d0
[   43.923775][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.923992][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.924219][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.924466][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.924680][   T12] CR2: 00007f95cd9e7574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.924900][   T12] PKRU: 55555554
[   43.925033][   T12] Call Trace:
[   43.925174][   T12]  <TASK>
[   43.925282][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.925477][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.925685][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.925849][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.926017][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.926188][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.926354][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.926521][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.926701][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.926863][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.927028][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.927204][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.927366][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.927533][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.927711][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.927876][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.928044][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.928211][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.928380][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.928558][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.928734][   T12]  kthread (kernel/kthread.c:436)
[   43.928868][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.929060][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.929230][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.929397][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.929598][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.929777][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.929941][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.932507][   T12] ------------[ cut here ]------------
| [   43.932682][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.932952][   T12] Modules linked in: xfrm_user nf_tables
| [   43.933430][   T12] Tainted: [W]=WARN
[   43.933572][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.933780][   T12] Workqueue: netns cleanup_net
[   43.933948][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.934152][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.934615][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.934822][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b72dc40 RCX: 1ff4000000018eed
[   43.935040][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72dcfc
[   43.935264][   T12] RBP: ff1100000f9d4000 R08: 1fe22000016e5ba1 R09: ff11000001aed1d0
[   43.935481][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.935720][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.935940][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.936195][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.936387][   T12] CR2: 00007f95cd9e7574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.936620][   T12] PKRU: 55555554
[   43.936762][   T12] Call Trace:
[   43.936893][   T12]  <TASK>
[   43.936998][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.937201][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.937390][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.937563][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.937740][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.937902][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.938068][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.938239][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.938405][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.938573][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.938753][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.938917][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.939078][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.939253][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.939416][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.939590][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.939770][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.939933][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.940099][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.940272][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.940436][   T12]  kthread (kernel/kthread.c:436)
[   43.940581][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.940787][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.940951][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.941116][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.941315][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.941479][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.941648][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.944043][   T12] ------------[ cut here ]------------
| [   43.944206][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.944479][   T12] Modules linked in: xfrm_user nf_tables
| [   43.944967][   T12] Tainted: [W]=WARN
[   43.945099][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.945295][   T12] Workqueue: netns cleanup_net
[   43.945461][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.945681][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.946144][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.946335][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d68eac0 RCX: 1ff4000000018eed
[   43.946562][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68eb7c
[   43.946794][   T12] RBP: ff1100000d444000 R08: 1fe2200001ad1d71 R09: ff11000001aed1d0
[   43.947013][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.947236][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.947460][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.947730][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.947921][   T12] CR2: 00007f95cd9e7574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.948146][   T12] PKRU: 55555554
[   43.948278][   T12] Call Trace:
[   43.948409][   T12]  <TASK>
[   43.948520][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.948732][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.948922][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.949085][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.949259][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.949421][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.949592][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.949770][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.949939][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.950101][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.950273][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.950440][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.950607][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.950786][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.950949][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.951113][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.951293][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.951455][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.951631][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.951813][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.951976][   T12]  kthread (kernel/kthread.c:436)
[   43.952110][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.952310][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.952477][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.952647][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.952852][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.953015][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.953181][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.955566][   T12] ------------[ cut here ]------------
| [   43.955736][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   43.956007][   T12] Modules linked in: xfrm_user nf_tables
| [   43.956486][   T12] Tainted: [W]=WARN
[   43.956623][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.956824][   T12] Workqueue: netns cleanup_net
[   43.956991][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.957196][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   43.957675][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   43.957867][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d68ec80 RCX: 1ff4000000018eed
[   43.958085][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68ed3c
[   43.958312][   T12] RBP: ff1100000ff14000 R08: 1fe2200001ad1da9 R09: ff11000001aed1d0
[   43.958532][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   43.958759][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   43.958978][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   43.959236][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.959427][   T12] CR2: 00007f95cd9e7574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   43.959667][   T12] PKRU: 55555554
[   43.959799][   T12] Call Trace:
[   43.959930][   T12]  <TASK>
[   43.960036][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   43.960242][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   43.960435][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   43.960607][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   43.960783][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   43.960947][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   43.961111][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   43.961285][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   43.961451][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   43.961618][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   43.961797][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   43.961960][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   43.962121][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   43.962295][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   43.962457][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   43.962628][   T12]  process_one_work (kernel/workqueue.c:3314)
[   43.962809][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   43.962972][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   43.963149][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   43.963316][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   43.963478][   T12]  kthread (kernel/kthread.c:436)
[   43.963617][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   43.963817][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.963980][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   43.964150][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   43.964343][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   43.964509][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   43.964687][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   43.969566][ T1086] ------------[ cut here ]------------
| [   43.969722][ T1086] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1086
| [   43.969982][ T1086] Modules linked in: xfrm_user nf_tables
| [   43.970389][ T1086] Tainted: [W]=WARN
[   43.970492][ T1086] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.970665][ T1086] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.970836][ T1086] 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
[   43.971304][ T1086] RSP: 0018:ffa0000001517a80 EFLAGS: 00010286
[   43.971468][ T1086] RAX: 00000000ffffffa6 RBX: ff1100000b59c040 RCX: 1ff40000002a2f16
[   43.971668][ T1086] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b59c0fc
[   43.971861][ T1086] RBP: ff1100000e734000 R08: 1fe22000016b3821 R09: ff1100000e592e80
[   43.972053][ T1086] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   43.972252][ T1086] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e734000
[   43.972447][ T1086] FS:  00007f790fa21840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   43.972682][ T1086] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.972845][ T1086] CR2: 00007f790fc28430 CR3: 000000000fb82005 CR4: 0000000000771ef0
[   43.973043][ T1086] PKRU: 55555554
[   43.973146][ T1086] Call Trace:
[   43.973243][ T1086]  <TASK>
[   43.973310][ T1086]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.973440][ T1086]  ? notifier_call_chain (kernel/notifier.c:85)
[   43.973573][ T1086]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.973679][ T1086]  register_netdevice (net/core/dev.c:11488)
[   43.973811][ T1086]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   43.973974][ T1086]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   43.974106][ T1086]  register_netdev (net/core/dev.c:11552)
[   43.974241][ T1086]  loopback_net_init (drivers/net/loopback.c:218)
[   43.974373][ T1086]  ops_init (net/core/net_namespace.c:137)
[   43.974473][ T1086]  setup_net (net/core/net_namespace.c:446)
[   43.974577][ T1086]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   43.974711][ T1086]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   43.974842][ T1086]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   43.974975][ T1086]  copy_net_ns (net/core/net_namespace.c:579)
[   43.975105][ T1086]  create_new_namespaces (kernel/nsproxy.c:132)
[   43.975243][ T1086]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   43.975373][ T1086]  ksys_unshare (kernel/fork.c:3243)
[   43.975506][ T1086]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   43.975636][ T1086]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   43.975773][ T1086]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   43.975905][ T1086]  ? __ia32_sys_open (fs/open.c:1374)
[   43.976036][ T1086]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   43.976169][ T1086]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   43.976298][ T1086]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   43.976428][ T1086]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   43.976562][ T1086]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   43.976699][ T1086]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.976861][ T1086] RIP: 0033:0x7f790fce3bcb
[   43.976999][ T1086] 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
[   43.977465][ T1086] RSP: 002b:00007ffd0f23f438 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   43.977669][ T1086] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f790fce3bcb
[   43.977867][ T1086] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   43.978064][ T1086] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   43.978265][ T1086] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd0f241660
[   43.978460][ T1086] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd0f242888
| [   43.982679][ T1086] ------------[ cut here ]------------
| [   43.982815][ T1086] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1086
| [   43.983071][ T1086] Modules linked in: xfrm_user nf_tables
| [   43.983476][ T1086] Tainted: [W]=WARN
[   43.983578][ T1086] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.983823][ T1086] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.983993][ T1086] 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
[   43.984460][ T1086] RSP: 0018:ffa0000001517918 EFLAGS: 00010286
[   43.984627][ T1086] RAX: 00000000ffffffa6 RBX: ff110000121afc40 RCX: 1ff40000002a2ee9
[   43.984826][ T1086] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121afcfc
[   43.985022][ T1086] RBP: ff1100000e81c000 R08: 1fe2200002435fa1 R09: ff1100000e592e80
[   43.985221][ T1086] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   43.985413][ T1086] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e81c000
[   43.985611][ T1086] FS:  00007f790fa21840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   43.985846][ T1086] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.986010][ T1086] CR2: 00007f790fc28430 CR3: 000000000fb82005 CR4: 0000000000771ef0
[   43.986210][ T1086] PKRU: 55555554
[   43.986307][ T1086] Call Trace:
[   43.986404][ T1086]  <TASK>
[   43.986472][ T1086]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.986606][ T1086]  ? notifier_call_chain (kernel/notifier.c:85)
[   43.986743][ T1086]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   43.986843][ T1086]  register_netdevice (net/core/dev.c:11488)
[   43.986975][ T1086]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   43.987140][ T1086]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   43.987273][ T1086]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   43.987403][ T1086]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   43.987537][ T1086]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   43.987710][ T1086]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   43.987840][ T1086]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   43.987972][ T1086]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   43.988104][ T1086]  ops_init (net/core/net_namespace.c:137)
[   43.988209][ T1086]  setup_net (net/core/net_namespace.c:446)
[   43.988309][ T1086]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   43.988438][ T1086]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   43.988575][ T1086]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   43.988714][ T1086]  copy_net_ns (net/core/net_namespace.c:579)
[   43.988847][ T1086]  create_new_namespaces (kernel/nsproxy.c:132)
[   43.988980][ T1086]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   43.989111][ T1086]  ksys_unshare (kernel/fork.c:3243)
[   43.989245][ T1086]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   43.989374][ T1086]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   43.989508][ T1086]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   43.989640][ T1086]  ? __ia32_sys_open (fs/open.c:1374)
[   43.989778][ T1086]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   43.989906][ T1086]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   43.990035][ T1086]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   43.990167][ T1086]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   43.990296][ T1086]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   43.990426][ T1086]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   43.990594][ T1086] RIP: 0033:0x7f790fce3bcb
[   43.990733][ T1086] 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
[   43.991197][ T1086] RSP: 002b:00007ffd0f23f438 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   43.991391][ T1086] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f790fce3bcb
[   43.991591][ T1086] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   43.991796][ T1086] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   43.991988][ T1086] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd0f241660
[   43.992185][ T1086] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd0f242888
| [   43.996007][ T1086] ------------[ cut here ]------------
| [   43.996148][ T1086] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1086
| [   43.996410][ T1086] Modules linked in: xfrm_user nf_tables
| [   43.996818][ T1086] Tainted: [W]=WARN
[   43.996917][ T1086] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   43.997083][ T1086] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   43.997261][ T1086] 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
[   43.997736][ T1086] RSP: 0018:ffa00000015178f8 EFLAGS: 00010286
[   43.997902][ T1086] RAX: 00000000ffffffa6 RBX: ff110000121aec80 RCX: 1ff40000002a2ee5
[   43.998100][ T1086] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121aed3c
[   43.998306][ T1086] RBP: ff110000079cc000 R08: 1fe2200002435da9 R09: ff1100000e592e80
[   43.998503][ T1086] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   43.998707][ T1086] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000079cc000
[   43.998905][ T1086] FS:  00007f790fa21840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   43.999142][ T1086] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.999307][ T1086] CR2: 00007f790fc28430 CR3: 000000000fb82005 CR4: 0000000000771ef0
[   43.999509][ T1086] PKRU: 55555554
[   43.999606][ T1086] Call Trace:
[   43.999711][ T1086]  <TASK>
[   43.999778][ T1086]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   43.999912][ T1086]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.000044][ T1086]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.000149][ T1086]  register_netdevice (net/core/dev.c:11488)
[   44.000284][ T1086]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.000448][ T1086]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   44.000582][ T1086]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   44.000718][ T1086]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   44.000851][ T1086]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   44.000984][ T1086]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   44.001116][ T1086]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   44.001253][ T1086]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   44.001385][ T1086]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   44.001519][ T1086]  vti_init_net (net/ipv4/ip_vti.c:517)
[   44.001656][ T1086]  ops_init (net/core/net_namespace.c:137)
[   44.001757][ T1086]  setup_net (net/core/net_namespace.c:446)
[   44.001858][ T1086]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   44.001988][ T1086]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   44.002122][ T1086]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   44.002260][ T1086]  copy_net_ns (net/core/net_namespace.c:579)
[   44.002393][ T1086]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.002534][ T1086]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.002671][ T1086]  ksys_unshare (kernel/fork.c:3243)
[   44.002803][ T1086]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.002933][ T1086]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   44.003067][ T1086]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   44.003205][ T1086]  ? __ia32_sys_open (fs/open.c:1374)
[   44.003338][ T1086]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.003470][ T1086]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   44.003604][ T1086]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.003746][ T1086]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.003878][ T1086]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.004008][ T1086]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.004174][ T1086] RIP: 0033:0x7f790fce3bcb
[   44.004310][ T1086] 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
[   44.004785][ T1086] RSP: 002b:00007ffd0f23f438 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   44.004981][ T1086] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f790fce3bcb
[   44.005181][ T1086] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.005377][ T1086] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.005577][ T1086] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd0f241660
[   44.005779][ T1086] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd0f242888
| [   44.015239][ T1086] ------------[ cut here ]------------
| [   44.015375][ T1086] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1086
| [   44.015633][ T1086] Modules linked in: xfrm_user nf_tables
| [   44.016036][ T1086] Tainted: [W]=WARN
[   44.016142][ T1086] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.016306][ T1086] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.016474][ T1086] 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
[   44.016945][ T1086] RSP: 0018:ffa0000001517a78 EFLAGS: 00010286
[   44.017108][ T1086] RAX: 00000000ffffffa6 RBX: ff1100000fee4740 RCX: 1ff40000002a2f15
[   44.017304][ T1086] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fee47fc
[   44.017497][ T1086] RBP: ff11000010291000 R08: 1fe2200001fdc901 R09: ff1100000e592e80
[   44.017699][ T1086] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   44.017895][ T1086] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010291000
[   44.018092][ T1086] FS:  00007f790fa21840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   44.018327][ T1086] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.018490][ T1086] CR2: 00007f790fc28430 CR3: 000000000fb82005 CR4: 0000000000771ef0
[   44.018696][ T1086] PKRU: 55555554
[   44.018793][ T1086] Call Trace:
[   44.018889][ T1086]  <TASK>
[   44.018957][ T1086]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.019088][ T1086]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.019224][ T1086]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.019323][ T1086]  register_netdevice (net/core/dev.c:11488)
[   44.019455][ T1086]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.019623][ T1086]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.019761][ T1086]  register_netdev (net/core/dev.c:11552)
[   44.019890][ T1086]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   44.020023][ T1086]  ops_init (net/core/net_namespace.c:137)
[   44.020123][ T1086]  setup_net (net/core/net_namespace.c:446)
[   44.020227][ T1086]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   44.020356][ T1086]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   44.020487][ T1086]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   44.020624][ T1086]  copy_net_ns (net/core/net_namespace.c:579)
[   44.020761][ T1086]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.020892][ T1086]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.021023][ T1086]  ksys_unshare (kernel/fork.c:3243)
[   44.021157][ T1086]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.021286][ T1086]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   44.021417][ T1086]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   44.021549][ T1086]  ? __ia32_sys_open (fs/open.c:1374)
[   44.021686][ T1086]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.021816][ T1086]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   44.021945][ T1086]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.022075][ T1086]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.022209][ T1086]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.022339][ T1086]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.022502][ T1086] RIP: 0033:0x7f790fce3bcb
[   44.022637][ T1086] 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
[   44.023104][ T1086] RSP: 002b:00007ffd0f23f438 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   44.023308][ T1086] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f790fce3bcb
[   44.023499][ T1086] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.023700][ T1086] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.023892][ T1086] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd0f241660
[   44.024085][ T1086] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd0f242888
| [   44.028147][ T1086] ------------[ cut here ]------------
| [   44.028285][ T1086] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1086
| [   44.028545][ T1086] Modules linked in: xfrm_user nf_tables
| [   44.028947][ T1086] Tainted: [W]=WARN
[   44.029046][ T1086] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.029211][ T1086] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.029380][ T1086] 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
[   44.029849][ T1086] RSP: 0018:ffa0000001517a68 EFLAGS: 00010286
[   44.030013][ T1086] RAX: 00000000ffffffa6 RBX: ff11000005fb0e40 RCX: 1ff40000002a2f13
[   44.030213][ T1086] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005fb0efc
[   44.030408][ T1086] RBP: ff11000007c99000 R08: 1fe2200000bf61e1 R09: ff1100000e592e80
[   44.030606][ T1086] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   44.030805][ T1086] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007c99000
[   44.031002][ T1086] FS:  00007f790fa21840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   44.031238][ T1086] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.031399][ T1086] CR2: 00007f790fc28430 CR3: 000000000fb82005 CR4: 0000000000771ef0
[   44.031598][ T1086] PKRU: 55555554
[   44.031699][ T1086] Call Trace:
[   44.031795][ T1086]  <TASK>
[   44.031861][ T1086]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.031992][ T1086]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.032121][ T1086]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.032226][ T1086]  register_netdevice (net/core/dev.c:11488)
[   44.032357][ T1086]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.032527][ T1086]  register_netdev (net/core/dev.c:11552)
[   44.032663][ T1086]  sit_init_net (net/ipv6/sit.c:1860)
[   44.032795][ T1086]  ops_init (net/core/net_namespace.c:137)
[   44.032896][ T1086]  setup_net (net/core/net_namespace.c:446)
[   44.032994][ T1086]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   44.033123][ T1086]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   44.033258][ T1086]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   44.033391][ T1086]  copy_net_ns (net/core/net_namespace.c:579)
[   44.033528][ T1086]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.033665][ T1086]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.033796][ T1086]  ksys_unshare (kernel/fork.c:3243)
[   44.033926][ T1086]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.034057][ T1086]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   44.034192][ T1086]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   44.034322][ T1086]  ? __ia32_sys_open (fs/open.c:1374)
[   44.034454][ T1086]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.034590][ T1086]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   44.034723][ T1086]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.034853][ T1086]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.034982][ T1086]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.035112][ T1086]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.035276][ T1086] RIP: 0033:0x7f790fce3bcb
[   44.035411][ T1086] 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
[   44.035880][ T1086] RSP: 002b:00007ffd0f23f438 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   44.036073][ T1086] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f790fce3bcb
[   44.036271][ T1086] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.036462][ T1086] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.036665][ T1086] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd0f241660
[   44.036860][ T1086] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd0f242888
| [   44.041450][ T1086] ------------[ cut here ]------------
| [   44.041590][ T1086] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1086
| [   44.041854][ T1086] Modules linked in: xfrm_user nf_tables
| [   44.042258][ T1086] Tainted: [W]=WARN
[   44.042357][ T1086] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.042522][ T1086] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.042696][ T1086] 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
[   44.043169][ T1086] RSP: 0018:ffa0000001517a78 EFLAGS: 00010286
[   44.043335][ T1086] RAX: 00000000ffffffa6 RBX: ff1100000bdace40 RCX: 1ff40000002a2f15
[   44.043532][ T1086] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bdacefc
[   44.043732][ T1086] RBP: ff110000052d9000 R08: 1fe22000017b59e1 R09: ff1100000e592e80
[   44.043928][ T1086] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   44.044123][ T1086] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000052d9000
[   44.044324][ T1086] FS:  00007f790fa21840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   44.044556][ T1086] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.044726][ T1086] CR2: 00007f790fc28430 CR3: 000000000fb82005 CR4: 0000000000771ef0
[   44.044923][ T1086] PKRU: 55555554
[   44.045019][ T1086] Call Trace:
[   44.045115][ T1086]  <TASK>
[   44.045186][ T1086]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.045316][ T1086]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.045446][ T1086]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.045547][ T1086]  register_netdevice (net/core/dev.c:11488)
[   44.045685][ T1086]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.045848][ T1086]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.045980][ T1086]  register_netdev (net/core/dev.c:11552)
[   44.046203][ T1086]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   44.046334][ T1086]  ops_init (net/core/net_namespace.c:137)
[   44.046434][ T1086]  setup_net (net/core/net_namespace.c:446)
[   44.046536][ T1086]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   44.046757][ T1086]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   44.046888][ T1086]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   44.047019][ T1086]  copy_net_ns (net/core/net_namespace.c:579)
[   44.047157][ T1086]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.047374][ T1086]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.047508][ T1086]  ksys_unshare (kernel/fork.c:3243)
[   44.047637][ T1086]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.047772][ T1086]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   44.047987][ T1086]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   44.048117][ T1086]  ? __ia32_sys_open (fs/open.c:1374)
[   44.048254][ T1086]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.048382][ T1086]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   44.048599][ T1086]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.048731][ T1086]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.048860][ T1086]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.048990][ T1086]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.049242][ T1086] RIP: 0033:0x7f790fce3bcb
[   44.049376][ T1086] 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
[   44.049846][ T1086] RSP: 002b:00007ffd0f23f438 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   44.050041][ T1086] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f790fce3bcb
[   44.050329][ T1086] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.050529][ T1086] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.050729][ T1086] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd0f241660
[   44.051011][ T1086] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd0f242888
| [   44.057455][   T12] ------------[ cut here ]------------
| [   44.057631][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   44.057942][   T12] Modules linked in: xfrm_user nf_tables
| [   44.058447][   T12] Tainted: [W]=WARN
[   44.058595][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.059154][   T12] Workqueue: netns cleanup_net
[   44.059381][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.059648][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   44.060146][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   44.060349][   T12] RAX: 00000000ffffffa6 RBX: ff110000096b23c0 RCX: 1ff4000000018eaf
[   44.060592][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000096b247c
[   44.060833][   T12] RBP: ff1100000e869000 R08: 1fe22000012d6491 R09: ff11000001aed1d0
[   44.061060][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   44.061308][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   44.061549][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   44.061822][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.062024][   T12] CR2: 00007f95cd9e7574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   44.062265][   T12] PKRU: 55555554
[   44.062403][   T12] Call Trace:
[   44.062547][   T12]  <TASK>
[   44.062673][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.062849][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.062992][   T12]  netif_close_many (net/core/dev.c:1804)
[   44.063170][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   44.063339][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.063510][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.063699][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   44.063872][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   44.064077][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   44.064288][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   44.064458][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   44.064637][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   44.064824][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   44.065031][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   44.065216][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   44.065392][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   44.065572][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   44.065757][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   44.065928][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   44.066101][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   44.066272][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.066444][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   44.066626][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   44.066807][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   44.066978][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   44.067155][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.067327][   T12]  process_one_work (kernel/workqueue.c:3314)
[   44.067501][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   44.067689][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.067865][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   44.068039][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   44.068213][   T12]  kthread (kernel/kthread.c:436)
[   44.068353][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   44.068560][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   44.068756][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   44.068927][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   44.069130][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   44.069310][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   44.069482][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   44.072130][   T12] ------------[ cut here ]------------
| [   44.072302][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   44.072587][   T12] Modules linked in: xfrm_user nf_tables
| [   44.073568][   T12] Tainted: [W]=WARN
[   44.073802][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.074039][   T12] Workqueue: netns cleanup_net
[   44.074263][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.074520][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   44.075048][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   44.075298][   T12] RAX: 00000000ffffffa6 RBX: ff110000096b3540 RCX: 1ff4000000018ed5
[   44.075572][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000096b35fc
[   44.075853][   T12] RBP: ff1100000e869000 R08: 1fe22000012d66c1 R09: ff11000001aed1d0
[   44.076117][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   44.076390][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   44.076679][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   44.076978][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.077223][   T12] CR2: 00007f95cd9e7574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   44.077493][   T12] PKRU: 55555554
[   44.077693][   T12] Call Trace:
[   44.077871][   T12]  <TASK>
[   44.078025][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   44.078280][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   44.078534][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   44.078761][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   44.078972][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   44.079204][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   44.079416][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   44.079681][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   44.079894][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   44.080129][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.080350][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   44.080581][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   44.080854][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   44.081080][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   44.081336][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.081594][   T12]  process_one_work (kernel/workqueue.c:3314)
[   44.081844][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   44.082067][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.082283][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   44.082458][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   44.082674][   T12]  kthread (kernel/kthread.c:436)
[   44.082811][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   44.083007][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   44.083180][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   44.083347][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   44.083546][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   44.083726][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   44.083892][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   44.087267][ T1087] ------------[ cut here ]------------
| [   44.087412][ T1087] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1087
| [   44.087681][ T1087] Modules linked in: xfrm_user nf_tables
| [   44.088077][ T1087] Tainted: [W]=WARN
[   44.088181][ T1087] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.088343][ T1087] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.088513][ T1087] 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
[   44.088978][ T1087] RSP: 0018:ffa0000001667020 EFLAGS: 00010286
[   44.089143][ T1087] RAX: 00000000ffffffa6 RBX: ff1100000bdac580 RCX: 1ff40000002ccdca
[   44.089336][ T1087] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bdac63c
[   44.089532][ T1087] RBP: ff1100000e734000 R08: 1fe22000017b58c9 R09: ff11000009aa5158
[   44.089730][ T1087] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   44.089922][ T1087] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   44.090116][ T1087] FS:  00007f3751502840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   44.090348][ T1087] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.090514][ T1087] CR2: 00007f37517d21a0 CR3: 000000000dde6001 CR4: 0000000000771ef0
[   44.090714][ T1087] PKRU: 55555554
[   44.090811][ T1087] Call Trace:
[   44.090907][ T1087]  <TASK>
[   44.090974][ T1087]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.091105][ T1087]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.091211][ T1087]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   44.091339][ T1087]  __dev_notify_flags (net/core/dev.c:9787)
[   44.091468][ T1087]  ? netif_change_name (net/core/dev.c:1495)
[   44.091602][ T1087]  ? __dev_change_flags (net/core/dev.c:9752)
[   44.091746][ T1087]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   44.091876][ T1087]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.092006][ T1087]  ? 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))
[   44.092144][ T1087]  netif_change_flags (net/core/dev.c:9820)
[   44.092274][ T1087]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   44.092404][ T1087]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   44.092541][ T1087]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   44.092677][ T1087]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   44.092838][ T1087]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.092969][ T1087]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.093098][ T1087]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.093230][ T1087]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.093360][ T1087]  ? __kernel_text_address (kernel/extable.c:79)
[   44.093490][ T1087]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.093623][ T1087]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.093757][ T1087]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.093891][ T1087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.094019][ T1087]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   44.094151][ T1087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.094281][ T1087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.094410][ T1087]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   44.094543][ T1087]  ? __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)
[   44.094678][ T1087]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   44.094807][ T1087]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.094939][ T1087]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   44.095070][ T1087]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   44.095206][ T1087]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   44.095336][ T1087]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.095465][ T1087]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.095596][ T1087]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.095729][ T1087]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.095857][ T1087]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.095989][ T1087]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.096116][ T1087]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.096248][ T1087]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.096376][ T1087]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.096509][ T1087]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.096637][ T1087]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   44.096772][ T1087]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.096900][ T1087]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.097028][ T1087]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.097165][ T1087]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.097293][ T1087]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.097423][ T1087]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   44.097559][ T1087]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.097693][ T1087]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.097824][ T1087]  ? 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))
[   44.097953][ T1087]  ? 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))
[   44.098084][ T1087]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.098220][ T1087]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.098349][ T1087]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.098480][ T1087]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   44.098610][ T1087]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   44.098747][ T1087]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   44.098877][ T1087]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   44.099008][ T1087]  ? copy_msghdr_from_user (net/socket.c:2635)
[   44.099139][ T1087]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   44.099300][ T1087]  ? move_addr_to_kernel (net/socket.c:258)
[   44.099430][ T1087]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.099563][ T1087]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.099699][ T1087]  ___sys_sendmsg (net/socket.c:2752)
[   44.099829][ T1087]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   44.099990][ T1087]  ? copy_msghdr_from_user (net/socket.c:2603)
[   44.100132][ T1087]  __sys_sendmsg (net/socket.c:2784)
[   44.100267][ T1087]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   44.100395][ T1087]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   44.100563][ T1087]  ? 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)
[   44.100697][ T1087]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.100826][ T1087]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.100955][ T1087]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.101082][ T1087]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.101215][ T1087]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.101373][ T1087] RIP: 0033:0x7f375173c08e
[   44.101511][ T1087] 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
[   44.101975][ T1087] RSP: 002b:00007fff53387940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.102175][ T1087] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f375173c08e
[   44.102367][ T1087] RDX: 0000000000000000 RSI: 00007fff533879f0 RDI: 0000000000000005
[   44.102562][ T1087] RBP: 00007fff53387950 R08: 0000000000000000 R09: 0000000000000000
[   44.102762][ T1087] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d856
[   44.102954][ T1087] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff533880c0
| [   44.231166][ T1091] ------------[ cut here ]------------
| [   44.231317][ T1091] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1091
| [   44.231579][ T1091] Modules linked in: xfrm_user nf_tables
| [   44.231987][ T1091] Tainted: [W]=WARN
[   44.232086][ T1091] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.232255][ T1091] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.232424][ T1091] 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
[   44.232896][ T1091] RSP: 0018:ffa00000015e7a80 EFLAGS: 00010286
[   44.233061][ T1091] RAX: 00000000ffffffa6 RBX: ff11000005fb1540 RCX: 1ff40000002bcf16
[   44.233264][ T1091] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005fb15fc
[   44.233457][ T1091] RBP: ff1100000f01c000 R08: 1fe2200000bf62c1 R09: ff1100000fb3ae80
[   44.233663][ T1091] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   44.233857][ T1091] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f01c000
[   44.234053][ T1091] FS:  00007f77e642e840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   44.234287][ T1091] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.234451][ T1091] CR2: 00007f77e662fc20 CR3: 000000000fd9f001 CR4: 0000000000771ef0
[   44.234659][ T1091] PKRU: 55555554
[   44.234756][ T1091] Call Trace:
[   44.234852][ T1091]  <TASK>
[   44.234920][ T1091]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.235050][ T1091]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.235184][ T1091]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.235284][ T1091]  register_netdevice (net/core/dev.c:11488)
[   44.235417][ T1091]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.235582][ T1091]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   44.235720][ T1091]  register_netdev (net/core/dev.c:11552)
[   44.235850][ T1091]  loopback_net_init (drivers/net/loopback.c:218)
[   44.235981][ T1091]  ops_init (net/core/net_namespace.c:137)
[   44.236081][ T1091]  setup_net (net/core/net_namespace.c:446)
[   44.236184][ T1091]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   44.236314][ T1091]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   44.236445][ T1091]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   44.236580][ T1091]  copy_net_ns (net/core/net_namespace.c:579)
[   44.236718][ T1091]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.236851][ T1091]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.236982][ T1091]  ksys_unshare (kernel/fork.c:3243)
[   44.237112][ T1091]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.237249][ T1091]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   44.237379][ T1091]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   44.237513][ T1091]  ? __ia32_sys_open (fs/open.c:1374)
[   44.237645][ T1091]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.237780][ T1091]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   44.237909][ T1091]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.238041][ T1091]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.238177][ T1091]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.238307][ T1091]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.238466][ T1091] RIP: 0033:0x7f77e66f0bcb
[   44.238607][ T1091] 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
[   44.239076][ T1091] RSP: 002b:00007ffc21e20138 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   44.239277][ T1091] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f77e66f0bcb
[   44.239471][ T1091] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.239673][ T1091] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.239866][ T1091] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc21e22360
[   44.240062][ T1091] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc21e23887
| [   44.244186][ T1091] ------------[ cut here ]------------
| [   44.244321][ T1091] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1091
| [   44.244576][ T1091] Modules linked in: xfrm_user nf_tables
| [   44.244973][ T1091] Tainted: [W]=WARN
[   44.245071][ T1091] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.245236][ T1091] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.245403][ T1091] 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
[   44.245865][ T1091] RSP: 0018:ffa00000015e7918 EFLAGS: 00010286
[   44.246025][ T1091] RAX: 00000000ffffffa6 RBX: ff11000008fcac80 RCX: 1ff40000002bcee9
[   44.246222][ T1091] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008fcad3c
[   44.246412][ T1091] RBP: ff11000005b09000 R08: 1fe22000011f95a9 R09: ff1100000fb3ae80
[   44.246606][ T1091] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   44.246805][ T1091] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005b09000
[   44.247000][ T1091] FS:  00007f77e642e840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   44.247229][ T1091] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.247388][ T1091] CR2: 00007f77e662fc20 CR3: 000000000fd9f001 CR4: 0000000000771ef0
[   44.247583][ T1091] PKRU: 55555554
[   44.247685][ T1091] Call Trace:
[   44.247780][ T1091]  <TASK>
[   44.247846][ T1091]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.247975][ T1091]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.248102][ T1091]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.248205][ T1091]  register_netdevice (net/core/dev.c:11488)
[   44.248335][ T1091]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.248496][ T1091]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   44.248630][ T1091]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   44.248762][ T1091]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   44.248890][ T1091]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   44.249019][ T1091]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   44.249152][ T1091]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   44.249282][ T1091]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   44.249410][ T1091]  ops_init (net/core/net_namespace.c:137)
[   44.249512][ T1091]  setup_net (net/core/net_namespace.c:446)
[   44.249610][ T1091]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   44.249743][ T1091]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   44.249871][ T1091]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   44.250001][ T1091]  copy_net_ns (net/core/net_namespace.c:579)
[   44.250129][ T1091]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.250263][ T1091]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.250392][ T1091]  ksys_unshare (kernel/fork.c:3243)
[   44.250525][ T1091]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.250661][ T1091]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   44.250790][ T1091]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   44.250919][ T1091]  ? __ia32_sys_open (fs/open.c:1374)
[   44.251048][ T1091]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.251180][ T1091]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   44.251305][ T1091]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.251432][ T1091]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.251564][ T1091]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.251698][ T1091]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.251857][ T1091] RIP: 0033:0x7f77e66f0bcb
[   44.251991][ T1091] 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
[   44.252446][ T1091] RSP: 002b:00007ffc21e20138 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   44.252642][ T1091] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f77e66f0bcb
[   44.252837][ T1091] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.253027][ T1091] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.253225][ T1091] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc21e22360
[   44.253415][ T1091] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc21e23887
| [   44.257153][ T1091] ------------[ cut here ]------------
| [   44.257286][ T1091] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1091
| [   44.257544][ T1091] Modules linked in: xfrm_user nf_tables
| [   44.258391][ T1091] Tainted: [W]=WARN
[   44.258490][ T1091] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.258663][ T1091] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.258832][ T1091] 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
[   44.259294][ T1091] RSP: 0018:ffa00000015e78f8 EFLAGS: 00010286
[   44.259455][ T1091] RAX: 00000000ffffffa6 RBX: ff11000008fcba80 RCX: 1ff40000002bcee5
[   44.259657][ T1091] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008fcbb3c
[   44.259849][ T1091] RBP: ff11000005379000 R08: 1fe22000011f9769 R09: ff1100000fb3ae80
[   44.260042][ T1091] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   44.260240][ T1091] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005379000
[   44.260435][ T1091] FS:  00007f77e642e840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   44.260667][ T1091] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.260827][ T1091] CR2: 00007f77e662fc20 CR3: 000000000fd9f001 CR4: 0000000000771ef0
[   44.261020][ T1091] PKRU: 55555554
[   44.261117][ T1091] Call Trace:
[   44.261216][ T1091]  <TASK>
[   44.261285][ T1091]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.261414][ T1091]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.261546][ T1091]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.261645][ T1091]  register_netdevice (net/core/dev.c:11488)
[   44.261782][ T1091]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.261942][ T1091]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   44.262073][ T1091]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   44.262209][ T1091]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   44.262338][ T1091]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   44.262468][ T1091]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   44.262601][ T1091]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   44.262736][ T1091]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   44.262866][ T1091]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   44.262997][ T1091]  vti_init_net (net/ipv4/ip_vti.c:517)
[   44.263127][ T1091]  ops_init (net/core/net_namespace.c:137)
[   44.263232][ T1091]  setup_net (net/core/net_namespace.c:446)
[   44.263331][ T1091]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   44.263460][ T1091]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   44.263593][ T1091]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   44.263731][ T1091]  copy_net_ns (net/core/net_namespace.c:579)
[   44.263862][ T1091]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.263992][ T1091]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.264122][ T1091]  ksys_unshare (kernel/fork.c:3243)
[   44.264257][ T1091]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.264385][ T1091]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   44.264516][ T1091]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   44.264645][ T1091]  ? __ia32_sys_open (fs/open.c:1374)
[   44.264780][ T1091]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.264907][ T1091]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   44.265036][ T1091]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.265170][ T1091]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.265299][ T1091]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.265428][ T1091]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.265591][ T1091] RIP: 0033:0x7f77e66f0bcb
[   44.265729][ T1091] 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
[   44.266192][ T1091] RSP: 002b:00007ffc21e20138 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   44.266388][ T1091] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f77e66f0bcb
[   44.266580][ T1091] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.266777][ T1091] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.266972][ T1091] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc21e22360
[   44.267170][ T1091] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc21e23887
| [   44.271121][ T1091] ------------[ cut here ]------------
| [   44.271260][ T1091] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1091
| [   44.271513][ T1091] Modules linked in: xfrm_user nf_tables
| [   44.271908][ T1091] Tainted: [W]=WARN
[   44.272006][ T1091] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.272176][ T1091] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.272341][ T1091] 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
[   44.272808][ T1091] RSP: 0018:ffa00000015e7a78 EFLAGS: 00010286
[   44.272970][ T1091] RAX: 00000000ffffffa6 RBX: ff110000109cd8c0 RCX: 1ff40000002bcf15
[   44.273166][ T1091] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109cd97c
[   44.273357][ T1091] RBP: ff1100000f079000 R08: 1fe2200002139b31 R09: ff1100000fb3ae80
[   44.273551][ T1091] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   44.273746][ T1091] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f079000
[   44.273939][ T1091] FS:  00007f77e642e840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   44.274167][ T1091] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.274329][ T1091] CR2: 00007f77e662fc20 CR3: 000000000fd9f001 CR4: 0000000000771ef0
[   44.274525][ T1091] PKRU: 55555554
[   44.274619][ T1091] Call Trace:
[   44.274719][ T1091]  <TASK>
[   44.274785][ T1091]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.274913][ T1091]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.275042][ T1091]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.275144][ T1091]  register_netdevice (net/core/dev.c:11488)
[   44.275276][ T1091]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.275434][ T1091]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.275568][ T1091]  register_netdev (net/core/dev.c:11552)
[   44.275699][ T1091]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   44.275829][ T1091]  ops_init (net/core/net_namespace.c:137)
[   44.275927][ T1091]  setup_net (net/core/net_namespace.c:446)
[   44.276025][ T1091]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   44.276157][ T1091]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   44.276284][ T1091]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   44.276414][ T1091]  copy_net_ns (net/core/net_namespace.c:579)
[   44.276547][ T1091]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.276683][ T1091]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.276811][ T1091]  ksys_unshare (kernel/fork.c:3243)
[   44.276939][ T1091]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.277068][ T1091]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   44.277202][ T1091]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   44.277330][ T1091]  ? __ia32_sys_open (fs/open.c:1374)
[   44.277460][ T1091]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.277593][ T1091]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   44.277724][ T1091]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.277850][ T1091]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.277977][ T1091]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.278104][ T1091]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.278267][ T1091] RIP: 0033:0x7f77e66f0bcb
[   44.278400][ T1091] 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
[   44.278864][ T1091] RSP: 002b:00007ffc21e20138 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   44.279060][ T1091] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f77e66f0bcb
[   44.279258][ T1091] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.279448][ T1091] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.279642][ T1091] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc21e22360
[   44.279840][ T1091] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc21e23887
| [   44.283839][ T1091] ------------[ cut here ]------------
| [   44.283973][ T1091] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1091
| [   44.284231][ T1091] Modules linked in: xfrm_user nf_tables
| [   44.284628][ T1091] Tainted: [W]=WARN
[   44.284731][ T1091] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.284895][ T1091] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.285063][ T1091] 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
[   44.285533][ T1091] RSP: 0018:ffa00000015e7a68 EFLAGS: 00010286
[   44.285700][ T1091] RAX: 00000000ffffffa6 RBX: ff110000109ccac0 RCX: 1ff40000002bcf13
[   44.285896][ T1091] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109ccb7c
[   44.286091][ T1091] RBP: ff1100000a339000 R08: 1fe2200002139971 R09: ff1100000fb3ae80
[   44.286290][ T1091] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   44.286484][ T1091] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a339000
[   44.286688][ T1091] FS:  00007f77e642e840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   44.286916][ T1091] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.287079][ T1091] CR2: 00007f77e662fc20 CR3: 000000000fd9f001 CR4: 0000000000771ef0
[   44.287279][ T1091] PKRU: 55555554
[   44.287375][ T1091] Call Trace:
[   44.287472][ T1091]  <TASK>
[   44.287544][ T1091]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.287679][ T1091]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.287810][ T1091]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.287911][ T1091]  register_netdevice (net/core/dev.c:11488)
[   44.288043][ T1091]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.288214][ T1091]  register_netdev (net/core/dev.c:11552)
[   44.288343][ T1091]  sit_init_net (net/ipv6/sit.c:1860)
[   44.288476][ T1091]  ops_init (net/core/net_namespace.c:137)
[   44.288578][ T1091]  setup_net (net/core/net_namespace.c:446)
[   44.288683][ T1091]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   44.288813][ T1091]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   44.288945][ T1091]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   44.289078][ T1091]  copy_net_ns (net/core/net_namespace.c:579)
[   44.289213][ T1091]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.289346][ T1091]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.289475][ T1091]  ksys_unshare (kernel/fork.c:3243)
[   44.289608][ T1091]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.289744][ T1091]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   44.289874][ T1091]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   44.290005][ T1091]  ? __ia32_sys_open (fs/open.c:1374)
[   44.290141][ T1091]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.290271][ T1091]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   44.290401][ T1091]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.290533][ T1091]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.290666][ T1091]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.290795][ T1091]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.290957][ T1091] RIP: 0033:0x7f77e66f0bcb
[   44.291092][ T1091] 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
[   44.291562][ T1091] RSP: 002b:00007ffc21e20138 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   44.291762][ T1091] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f77e66f0bcb
[   44.291956][ T1091] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.292156][ T1091] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.292352][ T1091] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc21e22360
[   44.292548][ T1091] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc21e23887
| [   44.305714][ T1091] ------------[ cut here ]------------
| [   44.305896][ T1091] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1091
| [   44.306206][ T1091] Modules linked in: xfrm_user nf_tables
| [   44.306720][ T1091] Tainted: [W]=WARN
[   44.306865][ T1091] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.307074][ T1091] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.307304][ T1091] 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
[   44.307828][ T1091] RSP: 0018:ffa00000015e7a78 EFLAGS: 00010286
[   44.308037][ T1091] RAX: 00000000ffffffa6 RBX: ff11000012471380 RCX: 1ff40000002bcf15
[   44.308289][ T1091] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001247143c
[   44.308529][ T1091] RBP: ff1100000fbac000 R08: 1fe220000248e289 R09: ff1100000fb3ae80
[   44.308782][ T1091] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   44.309023][ T1091] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fbac000
[   44.309276][ T1091] FS:  00007f77e642e840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   44.309558][ T1091] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.309779][ T1091] CR2: 000055d3d5b6bd5c CR3: 000000000fd9f003 CR4: 0000000000771ef0
[   44.310021][ T1091] PKRU: 55555554
[   44.310172][ T1091] Call Trace:
[   44.310317][ T1091]  <TASK>
[   44.310431][ T1091]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.310618][ T1091]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.310803][ T1091]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.310952][ T1091]  register_netdevice (net/core/dev.c:11488)
[   44.311130][ T1091]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.311345][ T1091]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.311528][ T1091]  register_netdev (net/core/dev.c:11552)
[   44.311720][ T1091]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   44.311899][ T1091]  ops_init (net/core/net_namespace.c:137)
[   44.312045][ T1091]  setup_net (net/core/net_namespace.c:446)
[   44.312200][ T1091]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   44.312376][ T1091]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   44.312562][ T1091]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   44.312752][ T1091]  copy_net_ns (net/core/net_namespace.c:579)
[   44.312930][ T1091]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.313112][ T1091]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.313298][ T1091]  ksys_unshare (kernel/fork.c:3243)
[   44.313473][ T1091]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.313667][ T1091]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   44.313843][ T1091]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   44.314020][ T1091]  ? __ia32_sys_open (fs/open.c:1374)
[   44.314206][ T1091]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.314387][ T1091]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   44.314570][ T1091]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.314756][ T1091]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.314930][ T1091]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.315108][ T1091]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.315324][ T1091] RIP: 0033:0x7f77e66f0bcb
[   44.315505][ T1091] 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
[   44.316030][ T1091] RSP: 002b:00007ffc21e20138 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   44.316277][ T1091] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f77e66f0bcb
[   44.316517][ T1091] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.316769][ T1091] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.317006][ T1091] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc21e22360
[   44.317253][ T1091] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc21e23887
| [   44.340598][ T1092] ------------[ cut here ]------------
| [   44.341308][ T1092] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1092
| [   44.341574][ T1092] Modules linked in: xfrm_user nf_tables
| [   44.341978][ T1092] Tainted: [W]=WARN
[   44.342076][ T1092] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.342243][ T1092] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.342412][ T1092] 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
[   44.342878][ T1092] RSP: 0018:ffa00000015e7020 EFLAGS: 00010286
[   44.343042][ T1092] RAX: 00000000ffffffa6 RBX: ff11000012471c40 RCX: 1ff40000002bcdca
[   44.343239][ T1092] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012471cfc
[   44.343433][ T1092] RBP: ff1100000f01c000 R08: 1fe220000248e3a1 R09: ff1100000f3d8b58
[   44.343630][ T1092] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   44.343826][ T1092] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   44.344020][ T1092] FS:  00007f8d821cf840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   44.344254][ T1092] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.344415][ T1092] CR2: 000000000a901988 CR3: 000000000e503004 CR4: 0000000000771ef0
[   44.344613][ T1092] PKRU: 55555554
[   44.344717][ T1092] Call Trace:
[   44.344814][ T1092]  <TASK>
[   44.344880][ T1092]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.345012][ T1092]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.345111][ T1092]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   44.345243][ T1092]  __dev_notify_flags (net/core/dev.c:9787)
[   44.345373][ T1092]  ? netif_change_name (net/core/dev.c:1495)
[   44.345504][ T1092]  ? __dev_change_flags (net/core/dev.c:9752)
[   44.345636][ T1092]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   44.345769][ T1092]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.345899][ T1092]  ? 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))
[   44.346029][ T1092]  netif_change_flags (net/core/dev.c:9820)
[   44.346165][ T1092]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   44.346296][ T1092]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   44.346428][ T1092]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   44.346564][ T1092]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   44.346729][ T1092]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.346857][ T1092]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.346986][ T1092]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.347113][ T1092]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.347251][ T1092]  ? __kernel_text_address (kernel/extable.c:79)
[   44.347382][ T1092]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.347516][ T1092]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.347643][ T1092]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.347779][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.347908][ T1092]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   44.348038][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.348174][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.348304][ T1092]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   44.348435][ T1092]  ? __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)
[   44.348568][ T1092]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   44.348701][ T1092]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.348832][ T1092]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   44.348965][ T1092]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   44.349096][ T1092]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   44.349231][ T1092]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.349360][ T1092]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.349493][ T1092]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.349626][ T1092]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.349759][ T1092]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.349892][ T1092]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.350021][ T1092]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.350151][ T1092]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.350281][ T1092]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.350412][ T1092]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.350545][ T1092]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   44.350680][ T1092]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.350808][ T1092]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.350936][ T1092]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.351068][ T1092]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.351202][ T1092]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.351333][ T1092]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   44.351464][ T1092]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.351598][ T1092]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.351735][ T1092]  ? 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))
[   44.351862][ T1092]  ? 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))
[   44.351994][ T1092]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.352125][ T1092]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.352260][ T1092]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.352390][ T1092]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   44.352528][ T1092]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   44.352665][ T1092]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   44.352796][ T1092]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   44.352926][ T1092]  ? copy_msghdr_from_user (net/socket.c:2635)
[   44.353056][ T1092]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   44.353221][ T1092]  ? move_addr_to_kernel (net/socket.c:258)
[   44.353351][ T1092]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.353481][ T1092]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.353614][ T1092]  ___sys_sendmsg (net/socket.c:2752)
[   44.353749][ T1092]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   44.353910][ T1092]  ? copy_msghdr_from_user (net/socket.c:2603)
[   44.354052][ T1092]  __sys_sendmsg (net/socket.c:2784)
[   44.354189][ T1092]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   44.354318][ T1092]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   44.354482][ T1092]  ? 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)
[   44.354613][ T1092]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.354747][ T1092]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.354875][ T1092]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.355002][ T1092]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.355132][ T1092]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.355299][ T1092] RIP: 0033:0x7f8d8240908e
[   44.355434][ T1092] 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
[   44.355904][ T1092] RSP: 002b:00007ffcaf8225a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.356098][ T1092] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8d8240908e
[   44.356299][ T1092] RDX: 0000000000000000 RSI: 00007ffcaf822650 RDI: 0000000000000005
[   44.356493][ T1092] RBP: 00007ffcaf8225b0 R08: 0000000000000000 R09: 0000000000000000
[   44.356694][ T1092] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d856
[   44.356886][ T1092] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcaf822d20
| [   44.482619][ T1096] ------------[ cut here ]------------
| [   44.482806][ T1096] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1096
| [   44.483113][ T1096] Modules linked in: xfrm_user nf_tables
| [   44.483625][ T1096] Tainted: [W]=WARN
[   44.483784][ T1096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.484004][ T1096] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.484233][ T1096] 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
[   44.484838][ T1096] RSP: 0018:ffa0000001697a80 EFLAGS: 00010286
[   44.485128][ T1096] RAX: 00000000ffffffa6 RBX: ff1100000ce11540 RCX: 1ff40000002d2f16
[   44.485433][ T1096] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce115fc
[   44.485747][ T1096] RBP: ff1100000f281000 R08: 1fe22000019c22c1 R09: ff1100001298ae80
[   44.486008][ T1096] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   44.486268][ T1096] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f281000
[   44.486515][ T1096] FS:  00007fc6d35a9840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   44.486802][ T1096] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.487013][ T1096] CR2: 00007fc6d37aac20 CR3: 000000000f86f002 CR4: 0000000000771ef0
[   44.487269][ T1096] PKRU: 55555554
[   44.487415][ T1096] Call Trace:
[   44.487567][ T1096]  <TASK>
[   44.487695][ T1096]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.487875][ T1096]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.488054][ T1096]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.488212][ T1096]  register_netdevice (net/core/dev.c:11488)
[   44.488394][ T1096]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.488614][ T1096]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   44.488804][ T1096]  register_netdev (net/core/dev.c:11552)
[   44.488984][ T1096]  loopback_net_init (drivers/net/loopback.c:218)
[   44.489174][ T1096]  ops_init (net/core/net_namespace.c:137)
[   44.489324][ T1096]  setup_net (net/core/net_namespace.c:446)
[   44.489472][ T1096]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   44.489667][ T1096]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   44.489848][ T1096]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   44.490029][ T1096]  copy_net_ns (net/core/net_namespace.c:579)
[   44.490218][ T1096]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.490401][ T1096]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.490587][ T1096]  ksys_unshare (kernel/fork.c:3243)
[   44.490781][ T1096]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.490958][ T1096]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   44.491144][ T1096]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   44.491323][ T1096]  ? __ia32_sys_open (fs/open.c:1374)
[   44.491504][ T1096]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.491698][ T1096]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   44.491876][ T1096]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.492054][ T1096]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.492242][ T1096]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.492423][ T1096]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.492642][ T1096] RIP: 0033:0x7fc6d386bbcb
[   44.492838][ T1096] 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
[   44.493356][ T1096] RSP: 002b:00007ffddbd8ded8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   44.493611][ T1096] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc6d386bbcb
[   44.493866][ T1096] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.494107][ T1096] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.494353][ T1096] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffddbd90100
[   44.494603][ T1096] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffddbd91887
| [   44.499358][ T1096] ------------[ cut here ]------------
| [   44.499542][ T1096] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1096
| [   44.499857][ T1096] Modules linked in: xfrm_user nf_tables
| [   44.500357][ T1096] Tainted: [W]=WARN
[   44.500506][ T1096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.500733][ T1096] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.500950][ T1096] 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
[   44.501468][ T1096] RSP: 0018:ffa0000001697918 EFLAGS: 00010286
[   44.502219][ T1096] RAX: 00000000ffffffa6 RBX: ff11000012526740 RCX: 1ff40000002d2ee9
[   44.502532][ T1096] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000125267fc
[   44.502841][ T1096] RBP: ff110000090b1000 R08: 1fe22000024a4d01 R09: ff1100001298ae80
[   44.503144][ T1096] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   44.503441][ T1096] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000090b1000
[   44.503759][ T1096] FS:  00007fc6d35a9840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   44.504086][ T1096] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.504370][ T1096] CR2: 00007fc6d37aac20 CR3: 000000000f86f002 CR4: 0000000000771ef0
[   44.504691][ T1096] PKRU: 55555554
[   44.504887][ T1096] Call Trace:
[   44.505085][ T1096]  <TASK>
[   44.505261][ T1096]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.505496][ T1096]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.505751][ T1096]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.505952][ T1096]  register_netdevice (net/core/dev.c:11488)
[   44.506192][ T1096]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.506454][ T1096]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   44.506708][ T1096]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   44.506940][ T1096]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   44.507180][ T1096]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   44.507413][ T1096]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   44.507717][ T1096]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   44.507951][ T1096]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   44.508167][ T1096]  ops_init (net/core/net_namespace.c:137)
[   44.508313][ T1096]  setup_net (net/core/net_namespace.c:446)
[   44.508459][ T1096]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   44.508645][ T1096]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   44.508838][ T1096]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   44.509017][ T1096]  copy_net_ns (net/core/net_namespace.c:579)
[   44.509207][ T1096]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.509389][ T1096]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.509580][ T1096]  ksys_unshare (kernel/fork.c:3243)
[   44.509770][ T1096]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.509949][ T1096]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   44.510127][ T1096]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   44.510316][ T1096]  ? __ia32_sys_open (fs/open.c:1374)
[   44.510496][ T1096]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.510692][ T1096]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   44.510869][ T1096]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.511046][ T1096]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.511232][ T1096]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.511412][ T1096]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.511629][ T1096] RIP: 0033:0x7fc6d386bbcb
[   44.511826][ T1096] 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
[   44.512342][ T1096] RSP: 002b:00007ffddbd8ded8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   44.512592][ T1096] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc6d386bbcb
[   44.512845][ T1096] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.513085][ T1096] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.513334][ T1096] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffddbd90100
[   44.513583][ T1096] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffddbd91887
| [   44.517975][ T1096] ------------[ cut here ]------------
| [   44.518162][ T1096] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1096
| [   44.518467][ T1096] Modules linked in: xfrm_user nf_tables
| [   44.518981][ T1096] Tainted: [W]=WARN
[   44.519130][ T1096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.519352][ T1096] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.519580][ T1096] 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
[   44.520105][ T1096] RSP: 0018:ffa00000016978f8 EFLAGS: 00010286
[   44.520326][ T1096] RAX: 00000000ffffffa6 RBX: ff1100000be30e40 RCX: 1ff40000002d2ee5
[   44.520578][ T1096] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be30efc
[   44.521358][ T1096] RBP: ff11000009b71000 R08: 1fe22000017c61e1 R09: ff1100001298ae80
[   44.521682][ T1096] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   44.521980][ T1096] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b71000
[   44.522303][ T1096] FS:  00007fc6d35a9840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   44.522644][ T1096] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.522984][ T1096] CR2: 00007fc6d37aac20 CR3: 000000000f86f002 CR4: 0000000000771ef0
[   44.523296][ T1096] PKRU: 55555554
[   44.523495][ T1096] Call Trace:
[   44.523718][ T1096]  <TASK>
[   44.523888][ T1096]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.524123][ T1096]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.524365][ T1096]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.524573][ T1096]  register_netdevice (net/core/dev.c:11488)
[   44.524843][ T1096]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.525108][ T1096]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   44.525349][ T1096]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   44.525585][ T1096]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   44.525833][ T1096]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   44.526065][ T1096]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   44.526305][ T1096]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   44.526549][ T1096]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   44.526794][ T1096]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   44.527029][ T1096]  vti_init_net (net/ipv4/ip_vti.c:517)
[   44.527267][ T1096]  ops_init (net/core/net_namespace.c:137)
[   44.527416][ T1096]  setup_net (net/core/net_namespace.c:446)
[   44.527577][ T1096]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   44.527767][ T1096]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   44.527948][ T1096]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   44.528131][ T1096]  copy_net_ns (net/core/net_namespace.c:579)
[   44.528321][ T1096]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.528504][ T1096]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.528705][ T1096]  ksys_unshare (kernel/fork.c:3243)
[   44.528885][ T1096]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.529064][ T1096]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   44.529250][ T1096]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   44.529430][ T1096]  ? __ia32_sys_open (fs/open.c:1374)
[   44.529618][ T1096]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.529807][ T1096]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   44.529986][ T1096]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.530174][ T1096]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.530354][ T1096]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.530537][ T1096]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.530763][ T1096] RIP: 0033:0x7fc6d386bbcb
[   44.530947][ T1096] 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
[   44.531467][ T1096] RSP: 002b:00007ffddbd8ded8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   44.531729][ T1096] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc6d386bbcb
[   44.531971][ T1096] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.532223][ T1096] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.532468][ T1096] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffddbd90100
[   44.532728][ T1096] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffddbd91887
| [   44.544403][ T1096] ------------[ cut here ]------------
| [   44.544585][ T1096] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1096
| [   44.544907][ T1096] Modules linked in: xfrm_user nf_tables
| [   44.545410][ T1096] Tainted: [W]=WARN
[   44.545564][ T1096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.545787][ T1096] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.546006][ T1096] 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
[   44.546525][ T1096] RSP: 0018:ffa0000001697a78 EFLAGS: 00010286
[   44.546752][ T1096] RAX: 00000000ffffffa6 RBX: ff1100000d3d3c40 RCX: 1ff40000002d2f15
[   44.546994][ T1096] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3d3cfc
[   44.547245][ T1096] RBP: ff11000010021000 R08: 1fe2200001a7a7a1 R09: ff1100001298ae80
[   44.547487][ T1096] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   44.547749][ T1096] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010021000
[   44.547994][ T1096] FS:  00007fc6d35a9840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   44.548277][ T1096] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.548489][ T1096] CR2: 00007fc6d37aac20 CR3: 000000000f86f002 CR4: 0000000000771ef0
[   44.548756][ T1096] PKRU: 55555554
[   44.548901][ T1096] Call Trace:
[   44.549045][ T1096]  <TASK>
[   44.549168][ T1096]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.549349][ T1096]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.549531][ T1096]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.549693][ T1096]  register_netdevice (net/core/dev.c:11488)
[   44.549874][ T1096]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.550085][ T1096]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.550277][ T1096]  register_netdev (net/core/dev.c:11552)
[   44.550459][ T1096]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   44.550649][ T1096]  ops_init (net/core/net_namespace.c:137)
[   44.550811][ T1096]  setup_net (net/core/net_namespace.c:446)
[   44.550957][ T1096]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   44.551134][ T1096]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   44.551323][ T1096]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   44.551506][ T1096]  copy_net_ns (net/core/net_namespace.c:579)
[   44.551706][ T1096]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.551889][ T1096]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.552067][ T1096]  ksys_unshare (kernel/fork.c:3243)
[   44.552249][ T1096]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.552426][ T1096]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   44.552613][ T1096]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   44.552806][ T1096]  ? __ia32_sys_open (fs/open.c:1374)
[   44.552990][ T1096]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.553176][ T1096]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   44.553354][ T1096]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.553535][ T1096]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.553726][ T1096]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.553906][ T1096]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.554115][ T1096] RIP: 0033:0x7fc6d386bbcb
[   44.554308][ T1096] 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
[   44.554839][ T1096] RSP: 002b:00007ffddbd8ded8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   44.555083][ T1096] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc6d386bbcb
[   44.555331][ T1096] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.555582][ T1096] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.555832][ T1096] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffddbd90100
[   44.556072][ T1096] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffddbd91887
| [   44.565169][ T1096] ------------[ cut here ]------------
| [   44.565345][ T1096] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1096
| [   44.565669][ T1096] Modules linked in: xfrm_user nf_tables
| [   44.566173][ T1096] Tainted: [W]=WARN
[   44.566319][ T1096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.566531][ T1096] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.566761][ T1096] 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
[   44.567280][ T1096] RSP: 0018:ffa0000001697a68 EFLAGS: 00010286
[   44.567493][ T1096] RAX: 00000000ffffffa6 RBX: ff1100000e8f0ac0 RCX: 1ff40000002d2f13
[   44.567755][ T1096] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e8f0b7c
[   44.567995][ T1096] RBP: ff110000121e4000 R08: 1fe2200001d1e171 R09: ff1100001298ae80
[   44.568249][ T1096] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   44.568490][ T1096] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000121e4000
[   44.568754][ T1096] FS:  00007fc6d35a9840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   44.569028][ T1096] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.569249][ T1096] CR2: 00007fc6d37aac20 CR3: 000000000f86f002 CR4: 0000000000771ef0
[   44.569495][ T1096] PKRU: 55555554
[   44.569646][ T1096] Call Trace:
[   44.569803][ T1096]  <TASK>
[   44.569918][ T1096]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.570097][ T1096]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.570283][ T1096]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.570432][ T1096]  register_netdevice (net/core/dev.c:11488)
[   44.570623][ T1096]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.570847][ T1096]  register_netdev (net/core/dev.c:11552)
[   44.571026][ T1096]  sit_init_net (net/ipv6/sit.c:1860)
[   44.571214][ T1096]  ops_init (net/core/net_namespace.c:137)
[   44.571360][ T1096]  setup_net (net/core/net_namespace.c:446)
[   44.571510][ T1096]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   44.571702][ T1096]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   44.571882][ T1096]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   44.572064][ T1096]  copy_net_ns (net/core/net_namespace.c:579)
[   44.572249][ T1096]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.572429][ T1096]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.572615][ T1096]  ksys_unshare (kernel/fork.c:3243)
[   44.572803][ T1096]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.572980][ T1096]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   44.573168][ T1096]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   44.573347][ T1096]  ? __ia32_sys_open (fs/open.c:1374)
[   44.573530][ T1096]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.573719][ T1096]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   44.573895][ T1096]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.574074][ T1096]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.574260][ T1096]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.574437][ T1096]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.574667][ T1096] RIP: 0033:0x7fc6d386bbcb
[   44.574849][ T1096] 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
[   44.575364][ T1096] RSP: 002b:00007ffddbd8ded8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   44.575614][ T1096] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc6d386bbcb
[   44.575866][ T1096] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.576107][ T1096] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.576352][ T1096] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffddbd90100
[   44.576599][ T1096] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffddbd91887
| [   44.582634][ T1096] ------------[ cut here ]------------
| [   44.582818][ T1096] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1096
| [   44.583118][ T1096] Modules linked in: xfrm_user nf_tables
| [   44.583637][ T1096] Tainted: [W]=WARN
[   44.583795][ T1096] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.584003][ T1096] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.584231][ T1096] 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
[   44.584808][ T1096] RSP: 0018:ffa0000001697a78 EFLAGS: 00010286
[   44.585075][ T1096] RAX: 00000000ffffffa6 RBX: ff1100000d3d3540 RCX: 1ff40000002d2f15
[   44.585380][ T1096] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3d35fc
[   44.585699][ T1096] RBP: ff1100000ea31000 R08: 1fe2200001a7a6c1 R09: ff1100001298ae80
[   44.585997][ T1096] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   44.586298][ T1096] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ea31000
[   44.586603][ T1096] FS:  00007fc6d35a9840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   44.586948][ T1096] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.587220][ T1096] CR2: 00007fc6d37aac20 CR3: 000000000f86f002 CR4: 0000000000771ef0
[   44.587527][ T1096] PKRU: 55555554
[   44.587737][ T1096] Call Trace:
[   44.587933][ T1096]  <TASK>
[   44.588100][ T1096]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.588336][ T1096]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.588573][ T1096]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.588785][ T1096]  register_netdevice (net/core/dev.c:11488)
[   44.589017][ T1096]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.589285][ T1096]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.589528][ T1096]  register_netdev (net/core/dev.c:11552)
[   44.589773][ T1096]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   44.590003][ T1096]  ops_init (net/core/net_namespace.c:137)
[   44.590214][ T1096]  setup_net (net/core/net_namespace.c:446)
[   44.590413][ T1096]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   44.590711][ T1096]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   44.590943][ T1096]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   44.591184][ T1096]  copy_net_ns (net/core/net_namespace.c:579)
[   44.591415][ T1096]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.591720][ T1096]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.591954][ T1096]  ksys_unshare (kernel/fork.c:3243)
[   44.592192][ T1096]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.592423][ T1096]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   44.592675][ T1096]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   44.592861][ T1096]  ? __ia32_sys_open (fs/open.c:1374)
[   44.593038][ T1096]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.593225][ T1096]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   44.593408][ T1096]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.593595][ T1096]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.593786][ T1096]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.593963][ T1096]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.594178][ T1096] RIP: 0033:0x7fc6d386bbcb
[   44.594361][ T1096] 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
[   44.594891][ T1096] RSP: 002b:00007ffddbd8ded8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   44.595133][ T1096] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc6d386bbcb
[   44.595380][ T1096] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.595628][ T1096] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.595884][ T1096] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffddbd90100
[   44.596121][ T1096] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffddbd91887
| [   44.624392][ T1097] ------------[ cut here ]------------
| [   44.624543][ T1097] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1097
| [   44.625408][ T1097] Modules linked in: xfrm_user nf_tables
| [   44.625950][ T1097] Tainted: [W]=WARN
[   44.626050][ T1097] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.626216][ T1097] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.626386][ T1097] 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
[   44.626901][ T1097] RSP: 0018:ffa0000001697020 EFLAGS: 00010286
[   44.627065][ T1097] RAX: 00000000ffffffa6 RBX: ff11000012527700 RCX: 1ff40000002d2dca
[   44.627265][ T1097] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000125277bc
[   44.627459][ T1097] RBP: ff1100000f281000 R08: 1fe22000024a4ef9 R09: ff1100001017d158
[   44.627664][ T1097] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   44.627858][ T1097] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   44.628055][ T1097] FS:  00007f744e268840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   44.628287][ T1097] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.628450][ T1097] CR2: 0000000007478988 CR3: 000000000f88f004 CR4: 0000000000771ef0
[   44.628648][ T1097] PKRU: 55555554
[   44.628749][ T1097] Call Trace:
[   44.628847][ T1097]  <TASK>
[   44.628914][ T1097]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.629047][ T1097]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.629151][ T1097]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   44.629281][ T1097]  __dev_notify_flags (net/core/dev.c:9787)
[   44.629414][ T1097]  ? netif_change_name (net/core/dev.c:1495)
[   44.629548][ T1097]  ? __dev_change_flags (net/core/dev.c:9752)
[   44.629684][ T1097]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   44.629816][ T1097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.629949][ T1097]  ? 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))
[   44.630083][ T1097]  netif_change_flags (net/core/dev.c:9820)
[   44.630219][ T1097]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   44.630350][ T1097]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   44.630485][ T1097]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   44.630622][ T1097]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   44.630790][ T1097]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.630922][ T1097]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.631052][ T1097]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.631188][ T1097]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.631319][ T1097]  ? __kernel_text_address (kernel/extable.c:79)
[   44.631450][ T1097]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.631583][ T1097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.631719][ T1097]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.631852][ T1097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.631982][ T1097]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   44.632112][ T1097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.632245][ T1097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.632375][ T1097]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   44.632512][ T1097]  ? __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)
[   44.632643][ T1097]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   44.632779][ T1097]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.632911][ T1097]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   44.633046][ T1097]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   44.633186][ T1097]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   44.633319][ T1097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.633448][ T1097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.633581][ T1097]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.633716][ T1097]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.633847][ T1097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.633980][ T1097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.634112][ T1097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.634245][ T1097]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.634376][ T1097]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.634512][ T1097]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.634643][ T1097]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   44.634781][ T1097]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.634913][ T1097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.635044][ T1097]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.635185][ T1097]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.635317][ T1097]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.635448][ T1097]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   44.635582][ T1097]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.635717][ T1097]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.635852][ T1097]  ? 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))
[   44.635981][ T1097]  ? 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))
[   44.636114][ T1097]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.636248][ T1097]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.636378][ T1097]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.636513][ T1097]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   44.636645][ T1097]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   44.636784][ T1097]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   44.636917][ T1097]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   44.637048][ T1097]  ? copy_msghdr_from_user (net/socket.c:2635)
[   44.637182][ T1097]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   44.637346][ T1097]  ? move_addr_to_kernel (net/socket.c:258)
[   44.637478][ T1097]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.637610][ T1097]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.637748][ T1097]  ___sys_sendmsg (net/socket.c:2752)
[   44.637878][ T1097]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   44.638042][ T1097]  ? copy_msghdr_from_user (net/socket.c:2603)
[   44.638190][ T1097]  __sys_sendmsg (net/socket.c:2784)
[   44.638321][ T1097]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   44.638452][ T1097]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   44.638622][ T1097]  ? 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)
[   44.638764][ T1097]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.638896][ T1097]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.639026][ T1097]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.639162][ T1097]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.639292][ T1097]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.639453][ T1097] RIP: 0033:0x7f744e4a208e
[   44.639595][ T1097] 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
[   44.640064][ T1097] RSP: 002b:00007ffff40eaf60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.640265][ T1097] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f744e4a208e
[   44.640461][ T1097] RDX: 0000000000000000 RSI: 00007ffff40eb010 RDI: 0000000000000005
[   44.640664][ T1097] RBP: 00007ffff40eaf70 R08: 0000000000000000 R09: 0000000000000000
[   44.640859][ T1097] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d856
[   44.641054][ T1097] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffff40eb6e0
| [   44.752058][ T1101] ------------[ cut here ]------------
| [   44.752215][ T1101] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1101
| [   44.752478][ T1101] Modules linked in: xfrm_user nf_tables
| [   44.752888][ T1101] Tainted: [W]=WARN
[   44.752986][ T1101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.753152][ T1101] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.753326][ T1101] 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
[   44.753805][ T1101] RSP: 0018:ffa00000016c7a80 EFLAGS: 00010286
[   44.753969][ T1101] RAX: 00000000ffffffa6 RBX: ff1100000c961e00 RCX: 1ff40000002d8f16
[   44.754170][ T1101] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c961ebc
[   44.754365][ T1101] RBP: ff11000005119000 R08: 1fe220000192c3d9 R09: ff1100000e605180
[   44.754563][ T1101] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   44.754762][ T1101] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005119000
[   44.754958][ T1101] FS:  00007fdb405c4840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   44.755196][ T1101] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.755360][ T1101] CR2: 00007fdb407d0690 CR3: 0000000012102001 CR4: 0000000000771ef0
[   44.755563][ T1101] PKRU: 55555554
[   44.755665][ T1101] Call Trace:
[   44.755763][ T1101]  <TASK>
[   44.755830][ T1101]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.755961][ T1101]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.756093][ T1101]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.756199][ T1101]  register_netdevice (net/core/dev.c:11488)
[   44.756331][ T1101]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.756496][ T1101]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   44.756632][ T1101]  register_netdev (net/core/dev.c:11552)
[   44.756768][ T1101]  loopback_net_init (drivers/net/loopback.c:218)
[   44.756900][ T1101]  ops_init (net/core/net_namespace.c:137)
[   44.757003][ T1101]  setup_net (net/core/net_namespace.c:446)
[   44.757102][ T1101]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   44.757235][ T1101]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   44.757365][ T1101]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   44.757497][ T1101]  copy_net_ns (net/core/net_namespace.c:579)
[   44.757633][ T1101]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.758357][ T1101]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.758495][ T1101]  ksys_unshare (kernel/fork.c:3243)
[   44.758629][ T1101]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.758814][ T1101]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   44.758997][ T1101]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   44.759129][ T1101]  ? __ia32_sys_open (fs/open.c:1374)
[   44.759267][ T1101]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.759396][ T1101]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   44.759531][ T1101]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.759698][ T1101]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.759830][ T1101]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.759960][ T1101]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.760121][ T1101] RIP: 0033:0x7fdb40886bcb
[   44.760267][ T1101] 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
[   44.760742][ T1101] RSP: 002b:00007ffd9f502638 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   44.760939][ T1101] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdb40886bcb
[   44.761132][ T1101] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.761334][ T1101] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.761533][ T1101] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd9f504860
[   44.761732][ T1101] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd9f506887
| [   44.765941][ T1101] ------------[ cut here ]------------
| [   44.766080][ T1101] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1101
| [   44.766347][ T1101] Modules linked in: xfrm_user nf_tables
| [   44.766755][ T1101] Tainted: [W]=WARN
[   44.766854][ T1101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.767016][ T1101] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.767193][ T1101] 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
[   44.767667][ T1101] RSP: 0018:ffa00000016c7918 EFLAGS: 00010286
[   44.767832][ T1101] RAX: 00000000ffffffa6 RBX: ff1100000c961000 RCX: 1ff40000002d8ee9
[   44.768027][ T1101] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9610bc
[   44.768227][ T1101] RBP: ff11000001df1000 R08: 1fe220000192c219 R09: ff1100000e605180
[   44.768422][ T1101] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   44.768624][ T1101] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001df1000
[   44.768826][ T1101] FS:  00007fdb405c4840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   44.769054][ T1101] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.769226][ T1101] CR2: 00007fdb407d0690 CR3: 0000000012102001 CR4: 0000000000771ef0
[   44.769423][ T1101] PKRU: 55555554
[   44.769524][ T1101] Call Trace:
[   44.769621][ T1101]  <TASK>
[   44.769695][ T1101]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.769825][ T1101]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.769955][ T1101]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.770054][ T1101]  register_netdevice (net/core/dev.c:11488)
[   44.770191][ T1101]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.770355][ T1101]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   44.770487][ T1101]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   44.770621][ T1101]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   44.770760][ T1101]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   44.770983][ T1101]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   44.771115][ T1101]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   44.771251][ T1101]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   44.771385][ T1101]  ops_init (net/core/net_namespace.c:137)
[   44.771577][ T1101]  setup_net (net/core/net_namespace.c:446)
[   44.771683][ T1101]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   44.771812][ T1101]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   44.771942][ T1101]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   44.772165][ T1101]  copy_net_ns (net/core/net_namespace.c:579)
[   44.772298][ T1101]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.772434][ T1101]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.772569][ T1101]  ksys_unshare (kernel/fork.c:3243)
[   44.772704][ T1101]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.772835][ T1101]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   44.772965][ T1101]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   44.773095][ T1101]  ? __ia32_sys_open (fs/open.c:1374)
[   44.773319][ T1101]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.773450][ T1101]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   44.773585][ T1101]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.773720][ T1101]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.773935][ T1101]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.774065][ T1101]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.774233][ T1101] RIP: 0033:0x7fdb40886bcb
[   44.774368][ T1101] 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
[   44.774933][ T1101] RSP: 002b:00007ffd9f502638 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   44.775223][ T1101] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdb40886bcb
[   44.775417][ T1101] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.775613][ T1101] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.775814][ T1101] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd9f504860
[   44.776008][ T1101] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd9f506887
| [   44.780331][ T1101] ------------[ cut here ]------------
| [   44.780469][ T1101] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1101
| [   44.780742][ T1101] Modules linked in: xfrm_user nf_tables
| [   44.781153][ T1101] Tainted: [W]=WARN
[   44.781344][ T1101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.781515][ T1101] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.781694][ T1101] 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
[   44.782264][ T1101] RSP: 0018:ffa00000016c78f8 EFLAGS: 00010286
[   44.782430][ T1101] RAX: 00000000ffffffa6 RBX: ff11000012526e40 RCX: 1ff40000002d8ee5
[   44.782727][ T1101] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012526efc
[   44.782925][ T1101] RBP: ff1100000cce1000 R08: 1fe22000024a4de1 R09: ff1100000e605180
[   44.783215][ T1101] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   44.783413][ T1101] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cce1000
[   44.783615][ T1101] FS:  00007fdb405c4840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   44.783944][ T1101] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.784110][ T1101] CR2: 00007fdb407d0690 CR3: 0000000012102001 CR4: 0000000000771ef0
[   44.784319][ T1101] PKRU: 55555554
[   44.784512][ T1101] Call Trace:
[   44.784612][ T1101]  <TASK>
[   44.784686][ T1101]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.784820][ T1101]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.784954][ T1101]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.785150][ T1101]  register_netdevice (net/core/dev.c:11488)
[   44.785287][ T1101]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.785454][ T1101]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   44.785597][ T1101]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   44.785734][ T1101]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   44.785866][ T1101]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   44.786000][ T1101]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   44.786140][ T1101]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   44.786277][ T1101]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   44.786412][ T1101]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   44.786554][ T1101]  vti_init_net (net/ipv4/ip_vti.c:517)
[   44.786693][ T1101]  ops_init (net/core/net_namespace.c:137)
[   44.786884][ T1101]  setup_net (net/core/net_namespace.c:446)
[   44.786985][ T1101]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   44.787117][ T1101]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   44.787257][ T1101]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   44.787479][ T1101]  copy_net_ns (net/core/net_namespace.c:579)
[   44.787617][ T1101]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.787759][ T1101]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.787892][ T1101]  ksys_unshare (kernel/fork.c:3243)
[   44.788111][ T1101]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.788249][ T1101]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   44.788381][ T1101]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   44.788518][ T1101]  ? __ia32_sys_open (fs/open.c:1374)
[   44.788746][ T1101]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.788879][ T1101]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   44.789012][ T1101]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.789149][ T1101]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.789370][ T1101]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.789506][ T1101]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.789677][ T1101] RIP: 0033:0x7fdb40886bcb
[   44.789817][ T1101] 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
[   44.790382][ T1101] RSP: 002b:00007ffd9f502638 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   44.790676][ T1101] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdb40886bcb
[   44.790875][ T1101] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.791071][ T1101] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.791363][ T1101] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd9f504860
[   44.791564][ T1101] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd9f506887
| [   44.796157][ T1101] ------------[ cut here ]------------
| [   44.796378][ T1101] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1101
| [   44.796640][ T1101] Modules linked in: xfrm_user nf_tables
| [   44.797135][ T1101] Tainted: [W]=WARN
[   44.797241][ T1101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.797407][ T1101] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.797680][ T1101] 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
[   44.798244][ T1101] RSP: 0018:ffa00000016c7a78 EFLAGS: 00010286
[   44.798409][ T1101] RAX: 00000000ffffffa6 RBX: ff1100000a217540 RCX: 1ff40000002d8f15
[   44.798607][ T1101] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a2175fc
[   44.798810][ T1101] RBP: ff11000014c81000 R08: 1fe2200001442ec1 R09: ff1100000e605180
[   44.799005][ T1101] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   44.799205][ T1101] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014c81000
[   44.799491][ T1101] FS:  00007fdb405c4840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   44.799732][ T1101] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.799985][ T1101] CR2: 00007fdb407d0690 CR3: 0000000012102001 CR4: 0000000000771ef0
[   44.800186][ T1101] PKRU: 55555554
[   44.800284][ T1101] Call Trace:
[   44.800381][ T1101]  <TASK>
[   44.800449][ T1101]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.800675][ T1101]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.800807][ T1101]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.800906][ T1101]  register_netdevice (net/core/dev.c:11488)
[   44.801040][ T1101]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.801292][ T1101]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.801426][ T1101]  register_netdev (net/core/dev.c:11552)
[   44.801561][ T1101]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   44.801785][ T1101]  ops_init (net/core/net_namespace.c:137)
[   44.801888][ T1101]  setup_net (net/core/net_namespace.c:446)
[   44.801987][ T1101]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   44.802116][ T1101]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   44.802251][ T1101]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   44.802469][ T1101]  copy_net_ns (net/core/net_namespace.c:579)
[   44.802605][ T1101]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.802744][ T1101]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.802876][ T1101]  ksys_unshare (kernel/fork.c:3243)
[   44.803092][ T1101]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.803227][ T1101]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   44.803357][ T1101]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   44.803489][ T1101]  ? __ia32_sys_open (fs/open.c:1374)
[   44.803717][ T1101]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.803847][ T1101]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   44.803980][ T1101]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.804108][ T1101]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.804330][ T1101]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.804459][ T1101]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.804627][ T1101] RIP: 0033:0x7fdb40886bcb
[   44.804767][ T1101] 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
[   44.805331][ T1101] RSP: 002b:00007ffd9f502638 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   44.805617][ T1101] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdb40886bcb
[   44.805817][ T1101] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.806012][ T1101] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.806300][ T1101] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd9f504860
[   44.806495][ T1101] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd9f506887
| [   44.820133][ T1101] ------------[ cut here ]------------
| [   44.820277][ T1101] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1101
| [   44.820539][ T1101] Modules linked in: xfrm_user nf_tables
| [   44.820943][ T1101] Tainted: [W]=WARN
[   44.821042][ T1101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.821211][ T1101] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.821380][ T1101] 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
[   44.821848][ T1101] RSP: 0018:ffa00000016c7a68 EFLAGS: 00010286
[   44.822012][ T1101] RAX: 00000000ffffffa6 RBX: ff1100000a216740 RCX: 1ff40000002d8f13
[   44.822212][ T1101] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a2167fc
[   44.822405][ T1101] RBP: ff1100000df64000 R08: 1fe2200001442d01 R09: ff1100000e605180
[   44.822606][ T1101] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   44.822808][ T1101] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000df64000
[   44.823005][ T1101] FS:  00007fdb405c4840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   44.823236][ T1101] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.823398][ T1101] CR2: 00007fdb407d0690 CR3: 0000000012102001 CR4: 0000000000771ef0
[   44.823598][ T1101] PKRU: 55555554
[   44.823699][ T1101] Call Trace:
[   44.823797][ T1101]  <TASK>
[   44.823866][ T1101]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.823996][ T1101]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.824126][ T1101]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.824232][ T1101]  register_netdevice (net/core/dev.c:11488)
[   44.824364][ T1101]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.824535][ T1101]  register_netdev (net/core/dev.c:11552)
[   44.824669][ T1101]  sit_init_net (net/ipv6/sit.c:1860)
[   44.824799][ T1101]  ops_init (net/core/net_namespace.c:137)
[   44.824899][ T1101]  setup_net (net/core/net_namespace.c:446)
[   44.824998][ T1101]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   44.825128][ T1101]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   44.825262][ T1101]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   44.825396][ T1101]  copy_net_ns (net/core/net_namespace.c:579)
[   44.825531][ T1101]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.825669][ T1101]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.825801][ T1101]  ksys_unshare (kernel/fork.c:3243)
[   44.825931][ T1101]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.826061][ T1101]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   44.826198][ T1101]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   44.826329][ T1101]  ? __ia32_sys_open (fs/open.c:1374)
[   44.826461][ T1101]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.826595][ T1101]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   44.826730][ T1101]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.826859][ T1101]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.826989][ T1101]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.827119][ T1101]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.827285][ T1101] RIP: 0033:0x7fdb40886bcb
[   44.827420][ T1101] 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
[   44.827889][ T1101] RSP: 002b:00007ffd9f502638 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   44.828084][ T1101] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdb40886bcb
[   44.828281][ T1101] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.828474][ T1101] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.828675][ T1101] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd9f504860
[   44.828868][ T1101] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd9f506887
| [   44.833468][ T1101] ------------[ cut here ]------------
| [   44.833609][ T1101] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1101
| [   44.833877][ T1101] Modules linked in: xfrm_user nf_tables
| [   44.834281][ T1101] Tainted: [W]=WARN
[   44.834380][ T1101] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.834545][ T1101] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.834719][ T1101] 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
[   44.835188][ T1101] RSP: 0018:ffa00000016c7a78 EFLAGS: 00010286
[   44.835352][ T1101] RAX: 00000000ffffffa6 RBX: ff1100000be31700 RCX: 1ff40000002d8f15
[   44.835548][ T1101] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be317bc
[   44.835752][ T1101] RBP: ff1100001249c000 R08: 1fe22000017c62f9 R09: ff1100000e605180
[   44.835947][ T1101] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   44.836147][ T1101] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001249c000
[   44.836346][ T1101] FS:  00007fdb405c4840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   44.836580][ T1101] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.836754][ T1101] CR2: 00007fdb407d0690 CR3: 0000000012102001 CR4: 0000000000771ef0
[   44.836952][ T1101] PKRU: 55555554
[   44.837049][ T1101] Call Trace:
[   44.837151][ T1101]  <TASK>
[   44.837218][ T1101]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.837349][ T1101]  ? notifier_call_chain (kernel/notifier.c:85)
[   44.837480][ T1101]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.837583][ T1101]  register_netdevice (net/core/dev.c:11488)
[   44.837723][ T1101]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   44.837885][ T1101]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.838017][ T1101]  register_netdev (net/core/dev.c:11552)
[   44.838150][ T1101]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   44.838281][ T1101]  ops_init (net/core/net_namespace.c:137)
[   44.838381][ T1101]  setup_net (net/core/net_namespace.c:446)
[   44.838481][ T1101]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   44.838612][ T1101]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   44.838748][ T1101]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   44.838881][ T1101]  copy_net_ns (net/core/net_namespace.c:579)
[   44.839013][ T1101]  create_new_namespaces (kernel/nsproxy.c:132)
[   44.839151][ T1101]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   44.839283][ T1101]  ksys_unshare (kernel/fork.c:3243)
[   44.839416][ T1101]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   44.839549][ T1101]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   44.839686][ T1101]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   44.839817][ T1101]  ? __ia32_sys_open (fs/open.c:1374)
[   44.839951][ T1101]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   44.840082][ T1101]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   44.840216][ T1101]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.840348][ T1101]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.840479][ T1101]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.840613][ T1101]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.840782][ T1101] RIP: 0033:0x7fdb40886bcb
[   44.840919][ T1101] 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
[   44.841390][ T1101] RSP: 002b:00007ffd9f502638 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   44.841592][ T1101] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdb40886bcb
[   44.841793][ T1101] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   44.841989][ T1101] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   44.842185][ T1101] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd9f504860
[   44.842381][ T1101] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd9f506887
| [   44.872022][ T1102] ------------[ cut here ]------------
| [   44.872176][ T1102] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1102
| [   44.872437][ T1102] Modules linked in: xfrm_user nf_tables
| [   44.873452][ T1102] Tainted: [W]=WARN
[   44.873559][ T1102] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   44.873728][ T1102] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   44.873896][ T1102] 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
[   44.874369][ T1102] RSP: 0018:ffa00000016d7020 EFLAGS: 00010286
[   44.874535][ T1102] RAX: 00000000ffffffa6 RBX: ff1100000f0163c0 RCX: 1ff40000002dadca
[   44.874731][ T1102] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f01647c
[   44.874925][ T1102] RBP: ff11000005119000 R08: 1fe2200001e02c91 R09: ff1100000e602e58
[   44.875120][ T1102] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   44.875322][ T1102] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   44.875520][ T1102] FS:  00007f9ed00fe840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   44.875752][ T1102] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   44.875915][ T1102] CR2: 0000000030332988 CR3: 000000000d173004 CR4: 0000000000771ef0
[   44.876112][ T1102] PKRU: 55555554
[   44.876214][ T1102] Call Trace:
[   44.876312][ T1102]  <TASK>
[   44.876381][ T1102]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   44.876517][ T1102]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   44.876617][ T1102]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   44.876752][ T1102]  __dev_notify_flags (net/core/dev.c:9787)
[   44.876884][ T1102]  ? netif_change_name (net/core/dev.c:1495)
[   44.877018][ T1102]  ? __dev_change_flags (net/core/dev.c:9752)
[   44.877153][ T1102]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   44.877282][ T1102]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.877413][ T1102]  ? 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))
[   44.877549][ T1102]  netif_change_flags (net/core/dev.c:9820)
[   44.877686][ T1102]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   44.877817][ T1102]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   44.877953][ T1102]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   44.878085][ T1102]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   44.878253][ T1102]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   44.878384][ T1102]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.878516][ T1102]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   44.878645][ T1102]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.878784][ T1102]  ? __kernel_text_address (kernel/extable.c:79)
[   44.878914][ T1102]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.879045][ T1102]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.879182][ T1102]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.879312][ T1102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.879442][ T1102]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   44.879574][ T1102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.879710][ T1102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.879841][ T1102]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   44.879971][ T1102]  ? __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)
[   44.880101][ T1102]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   44.880238][ T1102]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   44.880370][ T1102]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   44.880506][ T1102]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   44.880641][ T1102]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   44.880781][ T1102]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.880911][ T1102]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.881043][ T1102]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.881177][ T1102]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   44.881306][ T1102]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.881439][ T1102]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.881574][ T1102]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.881708][ T1102]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.881839][ T1102]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   44.881970][ T1102]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   44.882101][ T1102]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   44.882236][ T1102]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.882365][ T1102]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.882494][ T1102]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.882629][ T1102]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   44.882760][ T1102]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   44.882893][ T1102]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   44.883023][ T1102]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   44.883158][ T1102]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   44.883291][ T1102]  ? 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))
[   44.883422][ T1102]  ? 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))
[   44.883558][ T1102]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   44.883693][ T1102]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   44.883825][ T1102]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   44.883955][ T1102]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   44.884086][ T1102]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   44.884223][ T1102]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   44.884355][ T1102]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   44.884488][ T1102]  ? copy_msghdr_from_user (net/socket.c:2635)
[   44.884621][ T1102]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   44.884789][ T1102]  ? move_addr_to_kernel (net/socket.c:258)
[   44.884922][ T1102]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   44.885051][ T1102]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   44.885186][ T1102]  ___sys_sendmsg (net/socket.c:2752)
[   44.885314][ T1102]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   44.885474][ T1102]  ? copy_msghdr_from_user (net/socket.c:2603)
[   44.885619][ T1102]  __sys_sendmsg (net/socket.c:2784)
[   44.885754][ T1102]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   44.885886][ T1102]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   44.886050][ T1102]  ? 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)
[   44.886185][ T1102]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   44.886317][ T1102]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   44.886449][ T1102]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   44.886582][ T1102]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   44.886719][ T1102]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   44.886883][ T1102] RIP: 0033:0x7f9ed033808e
[   44.887019][ T1102] 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
[   44.887486][ T1102] RSP: 002b:00007fff9c63a940 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   44.887689][ T1102] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9ed033808e
[   44.887883][ T1102] RDX: 0000000000000000 RSI: 00007fff9c63a9f0 RDI: 0000000000000005
[   44.888078][ T1102] RBP: 00007fff9c63a950 R08: 0000000000000000 R09: 0000000000000000
[   44.888277][ T1102] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d857
[   44.888469][ T1102] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff9c63b0c0
| [   45.003848][ T1106] ------------[ cut here ]------------
| [   45.003998][ T1106] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1106
| [   45.004265][ T1106] Modules linked in: xfrm_user nf_tables
| [   45.004680][ T1106] Tainted: [W]=WARN
[   45.004779][ T1106] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.004944][ T1106] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.005116][ T1106] 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
[   45.005591][ T1106] RSP: 0018:ffa0000001707a80 EFLAGS: 00010286
[   45.005762][ T1106] RAX: 00000000ffffffa6 RBX: ff1100000df05380 RCX: 1ff40000002e0f16
[   45.005958][ T1106] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df0543c
[   45.006154][ T1106] RBP: ff11000012399000 R08: 1fe2200001be0a89 R09: ff1100000e60ae80
[   45.006350][ T1106] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   45.006549][ T1106] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012399000
[   45.006755][ T1106] FS:  00007f7efd885840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   45.006986][ T1106] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.007152][ T1106] CR2: 00007f7efda91690 CR3: 0000000012207001 CR4: 0000000000771ef0
[   45.007351][ T1106] PKRU: 55555554
[   45.007450][ T1106] Call Trace:
[   45.007549][ T1106]  <TASK>
[   45.007617][ T1106]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.007755][ T1106]  ? notifier_call_chain (kernel/notifier.c:85)
[   45.007888][ T1106]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.007987][ T1106]  register_netdevice (net/core/dev.c:11488)
[   45.008119][ T1106]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   45.008285][ T1106]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   45.008415][ T1106]  register_netdev (net/core/dev.c:11552)
[   45.008547][ T1106]  loopback_net_init (drivers/net/loopback.c:218)
[   45.008685][ T1106]  ops_init (net/core/net_namespace.c:137)
[   45.008786][ T1106]  setup_net (net/core/net_namespace.c:446)
[   45.008887][ T1106]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   45.009017][ T1106]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   45.009152][ T1106]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   45.009285][ T1106]  copy_net_ns (net/core/net_namespace.c:579)
[   45.009419][ T1106]  create_new_namespaces (kernel/nsproxy.c:132)
[   45.009555][ T1106]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   45.009692][ T1106]  ksys_unshare (kernel/fork.c:3243)
[   45.009822][ T1106]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   45.009955][ T1106]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   45.010085][ T1106]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   45.010220][ T1106]  ? __ia32_sys_open (fs/open.c:1374)
[   45.010353][ T1106]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   45.010485][ T1106]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   45.010618][ T1106]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.010753][ T1106]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.010883][ T1106]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.011013][ T1106]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.011178][ T1106] RIP: 0033:0x7f7efdb47bcb
[   45.011316][ T1106] 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
[   45.011788][ T1106] RSP: 002b:00007ffdadbb96d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   45.011986][ T1106] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7efdb47bcb
[   45.012184][ T1106] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   45.012379][ T1106] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   45.012580][ T1106] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdadbbb900
[   45.012781][ T1106] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdadbbc887
| [   45.016560][ T1106] ------------[ cut here ]------------
| [   45.017282][ T1106] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1106
| [   45.017546][ T1106] Modules linked in: xfrm_user nf_tables
| [   45.018006][ T1106] Tainted: [W]=WARN
[   45.018105][ T1106] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.018274][ T1106] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.018441][ T1106] 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
[   45.018927][ T1106] RSP: 0018:ffa0000001707918 EFLAGS: 00010286
[   45.019090][ T1106] RAX: 00000000ffffffa6 RBX: ff1100000f017540 RCX: 1ff40000002e0ee9
[   45.019291][ T1106] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f0175fc
[   45.019488][ T1106] RBP: ff11000012b59000 R08: 1fe2200001e02ec1 R09: ff1100000e60ae80
[   45.019689][ T1106] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   45.019884][ T1106] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012b59000
[   45.020079][ T1106] FS:  00007f7efd885840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   45.020309][ T1106] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.020471][ T1106] CR2: 00007f7efda91690 CR3: 0000000012207001 CR4: 0000000000771ef0
[   45.020677][ T1106] PKRU: 55555554
[   45.020774][ T1106] Call Trace:
[   45.020869][ T1106]  <TASK>
[   45.020937][ T1106]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.021068][ T1106]  ? notifier_call_chain (kernel/notifier.c:85)
[   45.021204][ T1106]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.021303][ T1106]  register_netdevice (net/core/dev.c:11488)
[   45.021435][ T1106]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   45.021602][ T1106]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   45.021738][ T1106]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   45.021869][ T1106]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   45.021999][ T1106]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   45.022130][ T1106]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   45.022266][ T1106]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   45.022399][ T1106]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   45.022535][ T1106]  ops_init (net/core/net_namespace.c:137)
[   45.022636][ T1106]  setup_net (net/core/net_namespace.c:446)
[   45.022740][ T1106]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   45.022870][ T1106]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   45.022999][ T1106]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   45.023131][ T1106]  copy_net_ns (net/core/net_namespace.c:579)
[   45.023269][ T1106]  create_new_namespaces (kernel/nsproxy.c:132)
[   45.023403][ T1106]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   45.023538][ T1106]  ksys_unshare (kernel/fork.c:3243)
[   45.023671][ T1106]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   45.023801][ T1106]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   45.023930][ T1106]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   45.024062][ T1106]  ? __ia32_sys_open (fs/open.c:1374)
[   45.024199][ T1106]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   45.024328][ T1106]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   45.024457][ T1106]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.024590][ T1106]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.024726][ T1106]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.024855][ T1106]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.025015][ T1106] RIP: 0033:0x7f7efdb47bcb
[   45.025152][ T1106] 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
[   45.025614][ T1106] RSP: 002b:00007ffdadbb96d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   45.025814][ T1106] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7efdb47bcb
[   45.026007][ T1106] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   45.026203][ T1106] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   45.026398][ T1106] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdadbbb900
[   45.026594][ T1106] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdadbbc887
| [   45.037613][ T1106] ------------[ cut here ]------------
| [   45.037760][ T1106] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1106
| [   45.038019][ T1106] Modules linked in: xfrm_user nf_tables
| [   45.038424][ T1106] Tainted: [W]=WARN
[   45.038529][ T1106] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.038700][ T1106] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.038870][ T1106] 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
[   45.039345][ T1106] RSP: 0018:ffa00000017078f8 EFLAGS: 00010286
[   45.039513][ T1106] RAX: 00000000ffffffa6 RBX: ff1100000b885c40 RCX: 1ff40000002e0ee5
[   45.039715][ T1106] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b885cfc
[   45.039910][ T1106] RBP: ff11000009bc9000 R08: 1fe2200001710ba1 R09: ff1100000e60ae80
[   45.040107][ T1106] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   45.040308][ T1106] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009bc9000
[   45.040508][ T1106] FS:  00007f7efd885840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   45.040744][ T1106] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.040909][ T1106] CR2: 00007f7efda91690 CR3: 0000000012207001 CR4: 0000000000771ef0
[   45.041106][ T1106] PKRU: 55555554
[   45.041212][ T1106] Call Trace:
[   45.041310][ T1106]  <TASK>
[   45.041379][ T1106]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.041515][ T1106]  ? notifier_call_chain (kernel/notifier.c:85)
[   45.041647][ T1106]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.041753][ T1106]  register_netdevice (net/core/dev.c:11488)
[   45.041887][ T1106]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   45.042052][ T1106]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   45.042192][ T1106]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   45.042324][ T1106]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   45.042456][ T1106]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   45.042596][ T1106]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   45.042766][ T1106]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   45.042901][ T1106]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   45.043032][ T1106]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   45.043173][ T1106]  vti_init_net (net/ipv4/ip_vti.c:517)
[   45.043305][ T1106]  ops_init (net/core/net_namespace.c:137)
[   45.043407][ T1106]  setup_net (net/core/net_namespace.c:446)
[   45.043512][ T1106]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   45.043644][ T1106]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   45.043791][ T1106]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   45.043924][ T1106]  copy_net_ns (net/core/net_namespace.c:579)
[   45.044058][ T1106]  create_new_namespaces (kernel/nsproxy.c:132)
[   45.044198][ T1106]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   45.044331][ T1106]  ksys_unshare (kernel/fork.c:3243)
[   45.044461][ T1106]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   45.044598][ T1106]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   45.044734][ T1106]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   45.044870][ T1106]  ? __ia32_sys_open (fs/open.c:1374)
[   45.045004][ T1106]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   45.045140][ T1106]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   45.045271][ T1106]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.045400][ T1106]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.045535][ T1106]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.045670][ T1106]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.045833][ T1106] RIP: 0033:0x7f7efdb47bcb
[   45.045969][ T1106] 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
[   45.046442][ T1106] RSP: 002b:00007ffdadbb96d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   45.046643][ T1106] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7efdb47bcb
[   45.046843][ T1106] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   45.047038][ T1106] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   45.047240][ T1106] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdadbbb900
[   45.047435][ T1106] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdadbbc887
| [   45.051508][ T1106] ------------[ cut here ]------------
| [   45.051645][ T1106] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1106
| [   45.051908][ T1106] Modules linked in: xfrm_user nf_tables
| [   45.052309][ T1106] Tainted: [W]=WARN
[   45.052406][ T1106] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.052571][ T1106] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.052745][ T1106] 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
[   45.053213][ T1106] RSP: 0018:ffa0000001707a78 EFLAGS: 00010286
[   45.053378][ T1106] RAX: 00000000ffffffa6 RBX: ff1100000d3f4ac0 RCX: 1ff40000002e0f15
[   45.053576][ T1106] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3f4b7c
[   45.053777][ T1106] RBP: ff110000087e9000 R08: 1fe2200001a7e971 R09: ff1100000e60ae80
[   45.053973][ T1106] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   45.054172][ T1106] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000087e9000
[   45.054367][ T1106] FS:  00007f7efd885840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   45.054598][ T1106] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.054767][ T1106] CR2: 00007f7efda91690 CR3: 0000000012207001 CR4: 0000000000771ef0
[   45.054965][ T1106] PKRU: 55555554
[   45.055064][ T1106] Call Trace:
[   45.055166][ T1106]  <TASK>
[   45.055234][ T1106]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.055364][ T1106]  ? notifier_call_chain (kernel/notifier.c:85)
[   45.055495][ T1106]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.055597][ T1106]  register_netdevice (net/core/dev.c:11488)
[   45.055734][ T1106]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   45.055893][ T1106]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.056027][ T1106]  register_netdev (net/core/dev.c:11552)
[   45.056162][ T1106]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   45.056294][ T1106]  ops_init (net/core/net_namespace.c:137)
[   45.056393][ T1106]  setup_net (net/core/net_namespace.c:446)
[   45.056493][ T1106]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   45.056628][ T1106]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   45.056763][ T1106]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   45.056896][ T1106]  copy_net_ns (net/core/net_namespace.c:579)
[   45.057028][ T1106]  create_new_namespaces (kernel/nsproxy.c:132)
[   45.057168][ T1106]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   45.057300][ T1106]  ksys_unshare (kernel/fork.c:3243)
[   45.057430][ T1106]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   45.057566][ T1106]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   45.057700][ T1106]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   45.057831][ T1106]  ? __ia32_sys_open (fs/open.c:1374)
[   45.057965][ T1106]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   45.058094][ T1106]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   45.058229][ T1106]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.058359][ T1106]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.058493][ T1106]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.058627][ T1106]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.058792][ T1106] RIP: 0033:0x7f7efdb47bcb
[   45.058927][ T1106] 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
[   45.059401][ T1106] RSP: 002b:00007ffdadbb96d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   45.059602][ T1106] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7efdb47bcb
[   45.059805][ T1106] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   45.059998][ T1106] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   45.060197][ T1106] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdadbbb900
[   45.060392][ T1106] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdadbbc887
| [   45.064466][ T1106] ------------[ cut here ]------------
| [   45.064609][ T1106] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1106
| [   45.064874][ T1106] Modules linked in: xfrm_user nf_tables
| [   45.065280][ T1106] Tainted: [W]=WARN
[   45.065379][ T1106] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.065548][ T1106] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.065723][ T1106] 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
[   45.066195][ T1106] RSP: 0018:ffa0000001707a68 EFLAGS: 00010286
[   45.066362][ T1106] RAX: 00000000ffffffa6 RBX: ff1100000d3f58c0 RCX: 1ff40000002e0f13
[   45.066564][ T1106] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3f597c
[   45.066764][ T1106] RBP: ff1100000f931000 R08: 1fe2200001a7eb31 R09: ff1100000e60ae80
[   45.066960][ T1106] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   45.067164][ T1106] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f931000
[   45.067363][ T1106] FS:  00007f7efd885840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   45.067598][ T1106] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.067766][ T1106] CR2: 00007f7efda91690 CR3: 0000000012207001 CR4: 0000000000771ef0
[   45.067964][ T1106] PKRU: 55555554
[   45.068062][ T1106] Call Trace:
[   45.068167][ T1106]  <TASK>
[   45.068235][ T1106]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.068367][ T1106]  ? notifier_call_chain (kernel/notifier.c:85)
[   45.068592][ T1106]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.068700][ T1106]  register_netdevice (net/core/dev.c:11488)
[   45.068835][ T1106]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   45.069001][ T1106]  register_netdev (net/core/dev.c:11552)
[   45.069225][ T1106]  sit_init_net (net/ipv6/sit.c:1860)
[   45.069360][ T1106]  ops_init (net/core/net_namespace.c:137)
[   45.069461][ T1106]  setup_net (net/core/net_namespace.c:446)
[   45.069566][ T1106]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   45.069701][ T1106]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   45.069921][ T1106]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   45.070056][ T1106]  copy_net_ns (net/core/net_namespace.c:579)
[   45.070195][ T1106]  create_new_namespaces (kernel/nsproxy.c:132)
[   45.070330][ T1106]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   45.070550][ T1106]  ksys_unshare (kernel/fork.c:3243)
[   45.070685][ T1106]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   45.070816][ T1106]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   45.070947][ T1106]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   45.071171][ T1106]  ? __ia32_sys_open (fs/open.c:1374)
[   45.071303][ T1106]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   45.071435][ T1106]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   45.071569][ T1106]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.071794][ T1106]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.071925][ T1106]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.072056][ T1106]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.072224][ T1106] RIP: 0033:0x7f7efdb47bcb
[   45.072454][ T1106] 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
[   45.073020][ T1106] RSP: 002b:00007ffdadbb96d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   45.073219][ T1106] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7efdb47bcb
[   45.073414][ T1106] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   45.073703][ T1106] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   45.073898][ T1106] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdadbbb900
[   45.074091][ T1106] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdadbbc887
| [   45.079852][ T1106] ------------[ cut here ]------------
| [   45.079993][ T1106] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1106
| [   45.080259][ T1106] Modules linked in: xfrm_user nf_tables
| [   45.080667][ T1106] Tainted: [W]=WARN
[   45.080766][ T1106] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.080928][ T1106] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.081098][ T1106] 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
[   45.081573][ T1106] RSP: 0018:ffa0000001707a78 EFLAGS: 00010286
[   45.081744][ T1106] RAX: 00000000ffffffa6 RBX: ff1100000be64900 RCX: 1ff40000002e0f15
[   45.081938][ T1106] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be649bc
[   45.082132][ T1106] RBP: ff1100000d4d9000 R08: 1fe22000017cc939 R09: ff1100000e60ae80
[   45.082335][ T1106] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   45.082533][ T1106] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d4d9000
[   45.082734][ T1106] FS:  00007f7efd885840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   45.082965][ T1106] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.083129][ T1106] CR2: 00007f7efda91690 CR3: 0000000012207001 CR4: 0000000000771ef0
[   45.083331][ T1106] PKRU: 55555554
[   45.083429][ T1106] Call Trace:
[   45.083531][ T1106]  <TASK>
[   45.083599][ T1106]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.083732][ T1106]  ? notifier_call_chain (kernel/notifier.c:85)
[   45.083863][ T1106]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.083962][ T1106]  register_netdevice (net/core/dev.c:11488)
[   45.084096][ T1106]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   45.084263][ T1106]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.084396][ T1106]  register_netdev (net/core/dev.c:11552)
[   45.084530][ T1106]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   45.084666][ T1106]  ops_init (net/core/net_namespace.c:137)
[   45.084765][ T1106]  setup_net (net/core/net_namespace.c:446)
[   45.084863][ T1106]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   45.084994][ T1106]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   45.085123][ T1106]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   45.085261][ T1106]  copy_net_ns (net/core/net_namespace.c:579)
[   45.085392][ T1106]  create_new_namespaces (kernel/nsproxy.c:132)
[   45.085529][ T1106]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   45.085665][ T1106]  ksys_unshare (kernel/fork.c:3243)
[   45.085797][ T1106]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   45.085927][ T1106]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   45.086056][ T1106]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   45.086192][ T1106]  ? __ia32_sys_open (fs/open.c:1374)
[   45.086323][ T1106]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   45.086453][ T1106]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   45.086589][ T1106]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.086778][ T1106]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.086908][ T1106]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.087040][ T1106]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.087209][ T1106] RIP: 0033:0x7f7efdb47bcb
[   45.087344][ T1106] 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
[   45.087869][ T1106] RSP: 002b:00007ffdadbb96d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   45.088066][ T1106] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7efdb47bcb
[   45.088268][ T1106] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   45.088462][ T1106] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   45.088714][ T1106] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdadbbb900
[   45.088964][ T1106] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdadbbc887
| [   45.119701][ T1107] ------------[ cut here ]------------
| [   45.119848][ T1107] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1107
| [   45.120107][ T1107] Modules linked in: xfrm_user nf_tables
| [   45.120521][ T1107] Tainted: [W]=WARN
[   45.120620][ T1107] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.120790][ T1107] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.120960][ T1107] 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
[   45.121423][ T1107] RSP: 0018:ffa0000001717020 EFLAGS: 00010286
[   45.121590][ T1107] RAX: 00000000ffffffa6 RBX: ff1100000be651c0 RCX: 1ff40000002e2dca
[   45.121794][ T1107] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be6527c
[   45.121990][ T1107] RBP: ff11000012399000 R08: 1fe22000017cca51 R09: ff1100000e60d158
[   45.122186][ T1107] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   45.122379][ T1107] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   45.122577][ T1107] FS:  00007fb79778d840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   45.122812][ T1107] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.122976][ T1107] CR2: 000000003d906988 CR3: 0000000009a2f002 CR4: 0000000000771ef0
[   45.123176][ T1107] PKRU: 55555554
[   45.123273][ T1107] Call Trace:
[   45.123369][ T1107]  <TASK>
[   45.123436][ T1107]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.123571][ T1107]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.123676][ T1107]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   45.123805][ T1107]  __dev_notify_flags (net/core/dev.c:9787)
[   45.123940][ T1107]  ? netif_change_name (net/core/dev.c:1495)
[   45.124069][ T1107]  ? __dev_change_flags (net/core/dev.c:9752)
[   45.124205][ T1107]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   45.124334][ T1107]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.124466][ T1107]  ? 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))
[   45.124601][ T1107]  netif_change_flags (net/core/dev.c:9820)
[   45.124736][ T1107]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   45.124866][ T1107]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   45.124998][ T1107]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   45.125127][ T1107]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   45.125295][ T1107]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.125426][ T1107]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.125559][ T1107]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   45.125771][ T1107]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.125902][ T1107]  ? __kernel_text_address (kernel/extable.c:79)
[   45.126032][ T1107]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.126234][ T1107]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.126363][ T1107]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   45.126495][ T1107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.126626][ T1107]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   45.126840][ T1107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.126969][ T1107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.127099][ T1107]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   45.127233][ T1107]  ? __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)
[   45.127362][ T1107]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   45.127492][ T1107]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   45.127629][ T1107]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   45.127831][ T1107]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   45.127963][ T1107]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   45.128095][ T1107]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.128228][ T1107]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.128357][ T1107]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.128485][ T1107]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.128617][ T1107]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.128825][ T1107]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.128955][ T1107]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.129083][ T1107]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.129215][ T1107]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.129345][ T1107]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.129475][ T1107]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   45.129608][ T1107]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.129773][ T1107]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.129902][ T1107]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.130031][ T1107]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.130164][ T1107]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.130294][ T1107]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   45.130423][ T1107]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.130557][ T1107]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.130695][ T1107]  ? 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))
[   45.130826][ T1107]  ? 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))
[   45.130957][ T1107]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.131089][ T1107]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.131226][ T1107]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.131356][ T1107]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   45.131488][ T1107]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   45.131621][ T1107]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   45.131759][ T1107]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   45.131890][ T1107]  ? copy_msghdr_from_user (net/socket.c:2635)
[   45.132019][ T1107]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   45.132185][ T1107]  ? move_addr_to_kernel (net/socket.c:258)
[   45.132317][ T1107]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.132447][ T1107]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.132579][ T1107]  ___sys_sendmsg (net/socket.c:2752)
[   45.132713][ T1107]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   45.132876][ T1107]  ? copy_msghdr_from_user (net/socket.c:2603)
[   45.133018][ T1107]  __sys_sendmsg (net/socket.c:2784)
[   45.133152][ T1107]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   45.133281][ T1107]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   45.133445][ T1107]  ? 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)
[   45.133577][ T1107]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.133713][ T1107]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.133843][ T1107]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.133973][ T1107]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.134104][ T1107]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.134269][ T1107] RIP: 0033:0x7fb7979c708e
[   45.134405][ T1107] 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
[   45.134877][ T1107] RSP: 002b:00007ffe79026f90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.135075][ T1107] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb7979c708e
[   45.135275][ T1107] RDX: 0000000000000000 RSI: 00007ffe79027040 RDI: 0000000000000005
[   45.135469][ T1107] RBP: 00007ffe79026fa0 R08: 0000000000000000 R09: 0000000000000000
[   45.135672][ T1107] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d857
[   45.135866][ T1107] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe79027710
| [   45.258202][ T1111] ------------[ cut here ]------------
| [   45.258391][ T1111] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1111
| [   45.259313][ T1111] Modules linked in: xfrm_user nf_tables
| [   45.259831][ T1111] Tainted: [W]=WARN
[   45.259978][ T1111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.260196][ T1111] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.260412][ T1111] 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
[   45.260940][ T1111] RSP: 0018:ffa0000001747a80 EFLAGS: 00010286
[   45.261158][ T1111] RAX: 00000000ffffffa6 RBX: ff1100001243e3c0 RCX: 1ff40000002e8f16
[   45.261398][ T1111] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243e47c
[   45.261646][ T1111] RBP: ff110000057f1000 R08: 1fe2200002487c91 R09: ff1100000fb02e80
[   45.261898][ T1111] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   45.262145][ T1111] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000057f1000
[   45.262387][ T1111] FS:  00007fa0f0ba5840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   45.262683][ T1111] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.262892][ T1111] CR2: 00007fa0f0db1690 CR3: 000000000d609006 CR4: 0000000000771ef0
[   45.263135][ T1111] PKRU: 55555554
[   45.263287][ T1111] Call Trace:
[   45.263429][ T1111]  <TASK>
[   45.263550][ T1111]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.263737][ T1111]  ? notifier_call_chain (kernel/notifier.c:85)
[   45.263914][ T1111]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.264060][ T1111]  register_netdevice (net/core/dev.c:11488)
[   45.264248][ T1111]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   45.264455][ T1111]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   45.264640][ T1111]  register_netdev (net/core/dev.c:11552)
[   45.264829][ T1111]  loopback_net_init (drivers/net/loopback.c:218)
[   45.265007][ T1111]  ops_init (net/core/net_namespace.c:137)
[   45.265161][ T1111]  setup_net (net/core/net_namespace.c:446)
[   45.265306][ T1111]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   45.265480][ T1111]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   45.265674][ T1111]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   45.265854][ T1111]  copy_net_ns (net/core/net_namespace.c:579)
[   45.266033][ T1111]  create_new_namespaces (kernel/nsproxy.c:132)
[   45.266221][ T1111]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   45.266398][ T1111]  ksys_unshare (kernel/fork.c:3243)
[   45.266582][ T1111]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   45.266768][ T1111]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   45.266944][ T1111]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   45.267123][ T1111]  ? __ia32_sys_open (fs/open.c:1374)
[   45.267311][ T1111]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   45.267488][ T1111]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   45.267685][ T1111]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.267864][ T1111]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.268041][ T1111]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.268228][ T1111]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.268436][ T1111] RIP: 0033:0x7fa0f0e67bcb
[   45.268624][ T1111] 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
[   45.269152][ T1111] RSP: 002b:00007fff6055c5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   45.269395][ T1111] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa0f0e67bcb
[   45.269642][ T1111] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   45.269892][ T1111] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   45.270131][ T1111] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff6055e7f0
[   45.270378][ T1111] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff6055f888
| [   45.274966][ T1111] ------------[ cut here ]------------
| [   45.275147][ T1111] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1111
| [   45.275452][ T1111] Modules linked in: xfrm_user nf_tables
| [   45.275961][ T1111] Tainted: [W]=WARN
[   45.276106][ T1111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.276318][ T1111] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.276536][ T1111] 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
[   45.277048][ T1111] RSP: 0018:ffa0000001747918 EFLAGS: 00010286
[   45.277273][ T1111] RAX: 00000000ffffffa6 RBX: ff1100000b59c740 RCX: 1ff40000002e8ee9
[   45.277513][ T1111] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b59c7fc
[   45.277764][ T1111] RBP: ff1100000e679000 R08: 1fe22000016b3901 R09: ff1100000fb02e80
[   45.278004][ T1111] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   45.278249][ T1111] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e679000
[   45.278490][ T1111] FS:  00007fa0f0ba5840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   45.278783][ T1111] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.278995][ T1111] CR2: 00007fa0f0db1690 CR3: 000000000d609006 CR4: 0000000000771ef0
[   45.279245][ T1111] PKRU: 55555554
[   45.279390][ T1111] Call Trace:
[   45.279539][ T1111]  <TASK>
[   45.279666][ T1111]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.279843][ T1111]  ? notifier_call_chain (kernel/notifier.c:85)
[   45.280020][ T1111]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.280174][ T1111]  register_netdevice (net/core/dev.c:11488)
[   45.280353][ T1111]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   45.280571][ T1111]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   45.280763][ T1111]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   45.280939][ T1111]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   45.281115][ T1111]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   45.281299][ T1111]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   45.281477][ T1111]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   45.281671][ T1111]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   45.281850][ T1111]  ops_init (net/core/net_namespace.c:137)
[   45.281997][ T1111]  setup_net (net/core/net_namespace.c:446)
[   45.282150][ T1111]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   45.282325][ T1111]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   45.282503][ T1111]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   45.282700][ T1111]  copy_net_ns (net/core/net_namespace.c:579)
[   45.282881][ T1111]  create_new_namespaces (kernel/nsproxy.c:132)
[   45.283060][ T1111]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   45.283248][ T1111]  ksys_unshare (kernel/fork.c:3243)
[   45.283423][ T1111]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   45.283608][ T1111]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   45.283797][ T1111]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   45.283974][ T1111]  ? __ia32_sys_open (fs/open.c:1374)
[   45.284158][ T1111]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   45.284333][ T1111]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   45.284511][ T1111]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.284703][ T1111]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.284879][ T1111]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.285057][ T1111]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.285272][ T1111] RIP: 0033:0x7fa0f0e67bcb
[   45.285454][ T1111] 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
[   45.285994][ T1111] RSP: 002b:00007fff6055c5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   45.286243][ T1111] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa0f0e67bcb
[   45.286482][ T1111] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   45.286734][ T1111] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   45.286975][ T1111] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff6055e7f0
[   45.287217][ T1111] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff6055f888
| [   45.291430][ T1111] ------------[ cut here ]------------
| [   45.291611][ T1111] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1111
| [   45.291924][ T1111] Modules linked in: xfrm_user nf_tables
| [   45.292424][ T1111] Tainted: [W]=WARN
[   45.292581][ T1111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.292799][ T1111] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.293015][ T1111] 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
[   45.293532][ T1111] RSP: 0018:ffa00000017478f8 EFLAGS: 00010286
[   45.293757][ T1111] RAX: 00000000ffffffa6 RBX: ff1100000b59cc80 RCX: 1ff40000002e8ee5
[   45.293998][ T1111] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b59cd3c
[   45.294247][ T1111] RBP: ff1100000c5b1000 R08: 1fe22000016b39a9 R09: ff1100000fb02e80
[   45.294486][ T1111] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   45.294750][ T1111] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c5b1000
[   45.294993][ T1111] FS:  00007fa0f0ba5840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   45.295276][ T1111] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.295486][ T1111] CR2: 00007fa0f0db1690 CR3: 000000000d609006 CR4: 0000000000771ef0
[   45.295753][ T1111] PKRU: 55555554
[   45.295897][ T1111] Call Trace:
[   45.296040][ T1111]  <TASK>
[   45.296162][ T1111]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.296344][ T1111]  ? notifier_call_chain (kernel/notifier.c:85)
[   45.296526][ T1111]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.296689][ T1111]  register_netdevice (net/core/dev.c:11488)
[   45.296868][ T1111]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   45.297080][ T1111]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   45.297270][ T1111]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   45.297450][ T1111]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   45.297635][ T1111]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   45.297828][ T1111]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   45.298007][ T1111]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   45.298195][ T1111]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   45.298375][ T1111]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   45.298568][ T1111]  vti_init_net (net/ipv4/ip_vti.c:517)
[   45.298760][ T1111]  ops_init (net/core/net_namespace.c:137)
[   45.298909][ T1111]  setup_net (net/core/net_namespace.c:446)
[   45.299056][ T1111]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   45.299247][ T1111]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   45.299426][ T1111]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   45.299615][ T1111]  copy_net_ns (net/core/net_namespace.c:579)
[   45.299806][ T1111]  create_new_namespaces (kernel/nsproxy.c:132)
[   45.299987][ T1111]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   45.300173][ T1111]  ksys_unshare (kernel/fork.c:3243)
[   45.300352][ T1111]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   45.300532][ T1111]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   45.300724][ T1111]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   45.300903][ T1111]  ? __ia32_sys_open (fs/open.c:1374)
[   45.301085][ T1111]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   45.301275][ T1111]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   45.301454][ T1111]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.301640][ T1111]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.301829][ T1111]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.302010][ T1111]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.302227][ T1111] RIP: 0033:0x7fa0f0e67bcb
[   45.302409][ T1111] 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
[   45.302936][ T1111] RSP: 002b:00007fff6055c5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   45.303185][ T1111] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa0f0e67bcb
[   45.303425][ T1111] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   45.303688][ T1111] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   45.303928][ T1111] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff6055e7f0
[   45.304176][ T1111] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff6055f888
| [   45.316999][ T1111] ------------[ cut here ]------------
| [   45.317150][ T1111] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1111
| [   45.317408][ T1111] Modules linked in: xfrm_user nf_tables
| [   45.317815][ T1111] Tainted: [W]=WARN
[   45.317913][ T1111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.318075][ T1111] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.318249][ T1111] 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
[   45.318717][ T1111] RSP: 0018:ffa0000001747a78 EFLAGS: 00010286
[   45.318889][ T1111] RAX: 00000000ffffffa6 RBX: ff110000101b71c0 RCX: 1ff40000002e8f15
[   45.319084][ T1111] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b727c
[   45.319281][ T1111] RBP: ff1100000d121000 R08: 1fe2200002036e51 R09: ff1100000fb02e80
[   45.319475][ T1111] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   45.319677][ T1111] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d121000
[   45.319872][ T1111] FS:  00007fa0f0ba5840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   45.320101][ T1111] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.320272][ T1111] CR2: 00007f4cd72ab888 CR3: 000000000d609002 CR4: 0000000000771ef0
[   45.320468][ T1111] PKRU: 55555554
[   45.320569][ T1111] Call Trace:
[   45.320673][ T1111]  <TASK>
[   45.320740][ T1111]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.320872][ T1111]  ? notifier_call_chain (kernel/notifier.c:85)
[   45.321003][ T1111]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.321103][ T1111]  register_netdevice (net/core/dev.c:11488)
[   45.321240][ T1111]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   45.321401][ T1111]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.321537][ T1111]  register_netdev (net/core/dev.c:11552)
[   45.321672][ T1111]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   45.321803][ T1111]  ops_init (net/core/net_namespace.c:137)
[   45.321904][ T1111]  setup_net (net/core/net_namespace.c:446)
[   45.322004][ T1111]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   45.322133][ T1111]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   45.322268][ T1111]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   45.322401][ T1111]  copy_net_ns (net/core/net_namespace.c:579)
[   45.322534][ T1111]  create_new_namespaces (kernel/nsproxy.c:132)
[   45.322670][ T1111]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   45.322805][ T1111]  ksys_unshare (kernel/fork.c:3243)
[   45.322934][ T1111]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   45.323064][ T1111]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   45.323198][ T1111]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   45.323327][ T1111]  ? __ia32_sys_open (fs/open.c:1374)
[   45.323459][ T1111]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   45.323592][ T1111]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   45.323727][ T1111]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.323856][ T1111]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.323986][ T1111]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.324115][ T1111]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.324279][ T1111] RIP: 0033:0x7fa0f0e67bcb
[   45.324414][ T1111] 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
[   45.324880][ T1111] RSP: 002b:00007fff6055c5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   45.325076][ T1111] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa0f0e67bcb
[   45.325274][ T1111] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   45.325466][ T1111] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   45.325693][ T1111] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff6055e7f0
[   45.325887][ T1111] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff6055f888
| [   45.329993][ T1111] ------------[ cut here ]------------
| [   45.330126][ T1111] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1111
| [   45.330391][ T1111] Modules linked in: xfrm_user nf_tables
| [   45.330804][ T1111] Tainted: [W]=WARN
[   45.330902][ T1111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.331065][ T1111] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.331238][ T1111] 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
[   45.331707][ T1111] RSP: 0018:ffa0000001747a68 EFLAGS: 00010286
[   45.331870][ T1111] RAX: 00000000ffffffa6 RBX: ff110000101b63c0 RCX: 1ff40000002e8f13
[   45.332063][ T1111] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b647c
[   45.332264][ T1111] RBP: ff1100000f07c000 R08: 1fe2200002036c91 R09: ff1100000fb02e80
[   45.332458][ T1111] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   45.332662][ T1111] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f07c000
[   45.332858][ T1111] FS:  00007fa0f0ba5840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   45.333084][ T1111] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.333252][ T1111] CR2: 00007f4cd72ab888 CR3: 000000000d609002 CR4: 0000000000771ef0
[   45.333448][ T1111] PKRU: 55555554
[   45.333547][ T1111] Call Trace:
[   45.333644][ T1111]  <TASK>
[   45.333717][ T1111]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.333847][ T1111]  ? notifier_call_chain (kernel/notifier.c:85)
[   45.333976][ T1111]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.334075][ T1111]  register_netdevice (net/core/dev.c:11488)
[   45.334211][ T1111]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   45.334373][ T1111]  register_netdev (net/core/dev.c:11552)
[   45.334504][ T1111]  sit_init_net (net/ipv6/sit.c:1860)
[   45.334636][ T1111]  ops_init (net/core/net_namespace.c:137)
[   45.334740][ T1111]  setup_net (net/core/net_namespace.c:446)
[   45.334839][ T1111]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   45.334968][ T1111]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   45.335097][ T1111]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   45.335235][ T1111]  copy_net_ns (net/core/net_namespace.c:579)
[   45.335365][ T1111]  create_new_namespaces (kernel/nsproxy.c:132)
[   45.335498][ T1111]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   45.335633][ T1111]  ksys_unshare (kernel/fork.c:3243)
[   45.335769][ T1111]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   45.335900][ T1111]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   45.336029][ T1111]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   45.336164][ T1111]  ? __ia32_sys_open (fs/open.c:1374)
[   45.336295][ T1111]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   45.336423][ T1111]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   45.336556][ T1111]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.336690][ T1111]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.336820][ T1111]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.336952][ T1111]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.337111][ T1111] RIP: 0033:0x7fa0f0e67bcb
[   45.337253][ T1111] 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
[   45.337718][ T1111] RSP: 002b:00007fff6055c5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   45.337914][ T1111] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa0f0e67bcb
[   45.338105][ T1111] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   45.338302][ T1111] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   45.338496][ T1111] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff6055e7f0
[   45.338697][ T1111] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff6055f888
| [   45.343258][ T1111] ------------[ cut here ]------------
| [   45.343393][ T1111] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1111
| [   45.343661][ T1111] Modules linked in: xfrm_user nf_tables
| [   45.344055][ T1111] Tainted: [W]=WARN
[   45.344157][ T1111] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.344318][ T1111] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.344488][ T1111] 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
[   45.344958][ T1111] RSP: 0018:ffa0000001747a78 EFLAGS: 00010286
[   45.345122][ T1111] RAX: 00000000ffffffa6 RBX: ff1100000a952580 RCX: 1ff40000002e8f15
[   45.345326][ T1111] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a95263c
[   45.345523][ T1111] RBP: ff1100000e964000 R08: 1fe220000152a4c9 R09: ff1100000fb02e80
[   45.345722][ T1111] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   45.345915][ T1111] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e964000
[   45.346110][ T1111] FS:  00007fa0f0ba5840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   45.346373][ T1111] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.346539][ T1111] CR2: 00007f4cd72ab888 CR3: 000000000d609002 CR4: 0000000000771ef0
[   45.346739][ T1111] PKRU: 55555554
[   45.346837][ T1111] Call Trace:
[   45.346933][ T1111]  <TASK>
[   45.347000][ T1111]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.347132][ T1111]  ? notifier_call_chain (kernel/notifier.c:85)
[   45.347266][ T1111]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.347364][ T1111]  register_netdevice (net/core/dev.c:11488)
[   45.347495][ T1111]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   45.347664][ T1111]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.347797][ T1111]  register_netdev (net/core/dev.c:11552)
[   45.347927][ T1111]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   45.348057][ T1111]  ops_init (net/core/net_namespace.c:137)
[   45.348161][ T1111]  setup_net (net/core/net_namespace.c:446)
[   45.348259][ T1111]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   45.348387][ T1111]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   45.348517][ T1111]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   45.348648][ T1111]  copy_net_ns (net/core/net_namespace.c:579)
[   45.348785][ T1111]  create_new_namespaces (kernel/nsproxy.c:132)
[   45.348918][ T1111]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   45.349048][ T1111]  ksys_unshare (kernel/fork.c:3243)
[   45.349182][ T1111]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   45.349311][ T1111]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   45.349440][ T1111]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   45.349574][ T1111]  ? __ia32_sys_open (fs/open.c:1374)
[   45.349710][ T1111]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   45.349839][ T1111]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   45.349967][ T1111]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.350095][ T1111]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.350229][ T1111]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.350358][ T1111]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.350517][ T1111] RIP: 0033:0x7fa0f0e67bcb
[   45.350656][ T1111] 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
[   45.351115][ T1111] RSP: 002b:00007fff6055c5c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   45.351313][ T1111] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fa0f0e67bcb
[   45.351510][ T1111] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   45.351708][ T1111] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   45.351901][ T1111] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff6055e7f0
[   45.352095][ T1111] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff6055f888
| [   45.386362][ T1112] ------------[ cut here ]------------
| [   45.386513][ T1112] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1112
| [   45.386781][ T1112] Modules linked in: xfrm_user nf_tables
| [   45.387185][ T1112] Tainted: [W]=WARN
[   45.387283][ T1112] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.387444][ T1112] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.387615][ T1112] 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
[   45.388082][ T1112] RSP: 0018:ffa0000001757020 EFLAGS: 00010286
[   45.388249][ T1112] RAX: 00000000ffffffa6 RBX: ff1100000e779540 RCX: 1ff40000002eadca
[   45.388442][ T1112] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e7795fc
[   45.388637][ T1112] RBP: ff110000057f1000 R08: 1fe2200001cef2c1 R09: ff110000100dae58
[   45.388835][ T1112] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   45.389027][ T1112] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   45.389225][ T1112] FS:  00007f2cf3677840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   45.389448][ T1112] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.389613][ T1112] CR2: 000000001f577988 CR3: 0000000008d7f003 CR4: 0000000000771ef0
[   45.389812][ T1112] PKRU: 55555554
[   45.389908][ T1112] Call Trace:
[   45.390005][ T1112]  <TASK>
[   45.390072][ T1112]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.390208][ T1112]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.390306][ T1112]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   45.390436][ T1112]  __dev_notify_flags (net/core/dev.c:9787)
[   45.390572][ T1112]  ? netif_change_name (net/core/dev.c:1495)
[   45.390707][ T1112]  ? __dev_change_flags (net/core/dev.c:9752)
[   45.390836][ T1112]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   45.390965][ T1112]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.391094][ T1112]  ? 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))
[   45.391230][ T1112]  netif_change_flags (net/core/dev.c:9820)
[   45.391360][ T1112]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   45.391492][ T1112]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   45.391628][ T1112]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   45.391763][ T1112]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   45.391926][ T1112]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.392055][ T1112]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.392187][ T1112]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   45.392317][ T1112]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.392447][ T1112]  ? __kernel_text_address (kernel/extable.c:79)
[   45.392578][ T1112]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.392715][ T1112]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.392844][ T1112]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   45.392974][ T1112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.393102][ T1112]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   45.393237][ T1112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.393366][ T1112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.393495][ T1112]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   45.393628][ T1112]  ? __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)
[   45.393759][ T1112]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   45.393888][ T1112]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   45.394019][ T1112]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   45.394154][ T1112]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   45.394286][ T1112]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   45.394417][ T1112]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.394547][ T1112]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.394681][ T1112]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.394809][ T1112]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.394937][ T1112]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.395067][ T1112]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.395200][ T1112]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.395329][ T1112]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.395457][ T1112]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.395592][ T1112]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.395727][ T1112]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   45.395856][ T1112]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.395985][ T1112]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.396112][ T1112]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.396248][ T1112]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.396378][ T1112]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.396511][ T1112]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   45.396641][ T1112]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.396776][ T1112]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.396908][ T1112]  ? 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))
[   45.397037][ T1112]  ? 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))
[   45.397174][ T1112]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.397306][ T1112]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.397435][ T1112]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.397570][ T1112]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   45.397712][ T1112]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   45.397842][ T1112]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   45.397972][ T1112]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   45.398101][ T1112]  ? copy_msghdr_from_user (net/socket.c:2635)
[   45.398236][ T1112]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   45.398396][ T1112]  ? move_addr_to_kernel (net/socket.c:258)
[   45.398530][ T1112]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.398664][ T1112]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.398797][ T1112]  ___sys_sendmsg (net/socket.c:2752)
[   45.398926][ T1112]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   45.399085][ T1112]  ? copy_msghdr_from_user (net/socket.c:2603)
[   45.399230][ T1112]  __sys_sendmsg (net/socket.c:2784)
[   45.399359][ T1112]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   45.399486][ T1112]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   45.399650][ T1112]  ? 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)
[   45.399784][ T1112]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.399914][ T1112]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.400042][ T1112]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.400176][ T1112]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.400304][ T1112]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.400463][ T1112] RIP: 0033:0x7f2cf38b108e
[   45.400601][ T1112] 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
[   45.401062][ T1112] RSP: 002b:00007ffd8e022dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.401262][ T1112] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2cf38b108e
[   45.401453][ T1112] RDX: 0000000000000000 RSI: 00007ffd8e022e80 RDI: 0000000000000005
[   45.401650][ T1112] RBP: 00007ffd8e022de0 R08: 0000000000000000 R09: 0000000000000000
[   45.401845][ T1112] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d857
[   45.402037][ T1112] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd8e023550
| [   45.633979][ T1122] ------------[ cut here ]------------
| [   45.634144][ T1122] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1122
| [   45.634414][ T1122] Modules linked in: xfrm_user nf_tables
| [   45.634848][ T1122] Tainted: [W]=WARN
[   45.634951][ T1122] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.635122][ T1122] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.635309][ T1122] 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
[   45.635806][ T1122] RSP: 0018:ffa0000001516e30 EFLAGS: 00010286
[   45.635981][ T1122] RAX: 00000000ffffffa6 RBX: ff11000009aedc40 RCX: 1ff40000002a2d8c
[   45.636192][ T1122] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009aedcfc
[   45.636397][ T1122] RBP: ff1100000d274000 R08: 1fe220000135dba1 R09: ff1100000f988b80
[   45.636602][ T1122] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   45.636869][ T1122] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000124bee00
[   45.637073][ T1122] FS:  00007fdbaf983840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   45.637316][ T1122] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.637488][ T1122] CR2: 00000000004eb188 CR3: 0000000012611002 CR4: 0000000000771ef0
[   45.637755][ T1122] PKRU: 55555554
[   45.637860][ T1122] Call Trace:
[   45.637962][ T1122]  <TASK>
[   45.638032][ T1122]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   45.638208][ T1122]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.638401][ T1122]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.638506][ T1122]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.638641][ T1122]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.638834][ T1122]  __dev_notify_flags (net/core/dev.c:9787)
[   45.638970][ T1122]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.639104][ T1122]  ? netif_change_name (net/core/dev.c:1495)
[   45.639243][ T1122]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   45.639379][ T1122]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   45.639550][ T1122]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   45.639779][ T1122]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   45.639914][ T1122]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   45.640048][ T1122]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   45.640188][ T1122]  veth_newlink (drivers/net/veth.c:1871)
[   45.640323][ T1122]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   45.640456][ T1122]  ? kasan_save_stack (mm/kasan/common.c:57)
[   45.640596][ T1122]  ? kasan_save_track (mm/kasan/common.c:78)
[   45.640784][ T1122]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   45.640934][ T1122]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   45.641068][ T1122]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   45.641211][ T1122]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   45.641346][ T1122]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   45.641483][ T1122]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   45.641622][ T1122]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   45.641816][ T1122]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   45.641951][ T1122]  ? __dev_get_by_name (net/core/dev.c:883)
[   45.642085][ T1122]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   45.642231][ T1122]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   45.642370][ T1122]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   45.642511][ T1122]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.642645][ T1122]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.642837][ T1122]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.642971][ T1122]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.643106][ T1122]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.643252][ T1122]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.643387][ T1122]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.643527][ T1122]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   45.643718][ T1122]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.643853][ T1122]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.643988][ T1122]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.644124][ T1122]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.644265][ T1122]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.644400][ T1122]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   45.644539][ T1122]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.644731][ T1122]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.644870][ T1122]  ? 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))
[   45.645003][ T1122]  ? 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))
[   45.645145][ T1122]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.645281][ T1122]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.645417][ T1122]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.645553][ T1122]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   45.645747][ T1122]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   45.645884][ T1122]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   45.646023][ T1122]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   45.646162][ T1122]  ? copy_msghdr_from_user (net/socket.c:2635)
[   45.646297][ T1122]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   45.646465][ T1122]  ? move_addr_to_kernel (net/socket.c:258)
[   45.646606][ T1122]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.646799][ T1122]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   45.646934][ T1122]  ___sys_sendmsg (net/socket.c:2752)
[   45.647069][ T1122]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   45.647210][ T1122]  ? copy_msghdr_from_user (net/socket.c:2603)
[   45.647348][ T1122]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   45.647487][ T1122]  ? 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))
[   45.647629][ T1122]  __sys_sendmsg (net/socket.c:2784)
[   45.647821][ T1122]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   45.647959][ T1122]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.648094][ T1122]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.648235][ T1122]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.648369][ T1122]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.648504][ T1122]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.648639][ T1122]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.648897][ T1122] RIP: 0033:0x7fdbafbbd08e
[   45.649041][ T1122] 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
[   45.649522][ T1122] RSP: 002b:00007ffdb326eaf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.649816][ T1122] RAX: ffffffffffffffda RBX: 00007ffdb326f288 RCX: 00007fdbafbbd08e
[   45.650018][ T1122] RDX: 0000000000000000 RSI: 00007ffdb326eba0 RDI: 0000000000000005
[   45.650222][ T1122] RBP: 00007ffdb326eb00 R08: 0000000000000000 R09: 0000000000000000
[   45.650424][ T1122] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d857
[   45.650628][ T1122] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb326f260
| [   45.675554][ T1122] ------------[ cut here ]------------
| [   45.675746][ T1122] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1122
| [   45.676058][ T1122] Modules linked in: xfrm_user nf_tables
| [   45.676576][ T1122] Tainted: [W]=WARN
[   45.676736][ T1122] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.676948][ T1122] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.677184][ T1122] 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
[   45.677717][ T1122] RSP: 0018:ffa00000015171b0 EFLAGS: 00010286
[   45.677932][ T1122] RAX: 00000000ffffffa6 RBX: ff1100000bbea040 RCX: 1ff40000002a2dfc
[   45.678184][ T1122] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbea0fc
[   45.678428][ T1122] RBP: ff11000012b7c000 R08: 1fe220000177d421 R09: ff1100000f988b80
[   45.678701][ T1122] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   45.678945][ T1122] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   45.679202][ T1122] FS:  00007fdbaf983840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   45.679492][ T1122] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.679725][ T1122] CR2: 00007ffe3bb9dfc8 CR3: 0000000012611006 CR4: 0000000000771ef0
[   45.679971][ T1122] PKRU: 55555554
[   45.680116][ T1122] Call Trace:
[   45.680272][ T1122]  <TASK>
[   45.680387][ T1122]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.680579][ T1122]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.680740][ T1122]  __dev_notify_flags (net/core/dev.c:9787)
[   45.680923][ T1122]  ? netif_change_name (net/core/dev.c:1495)
[   45.681104][ T1122]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   45.681289][ T1122]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   45.681472][ T1122]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   45.681674][ T1122]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   45.681857][ T1122]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   45.682038][ T1122]  ? __dev_get_by_name (net/core/dev.c:883)
[   45.682226][ T1122]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   45.682413][ T1122]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   45.682606][ T1122]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   45.682803][ T1122]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.682982][ T1122]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.683169][ T1122]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.683351][ T1122]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.683534][ T1122]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.683733][ T1122]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.683915][ T1122]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.684096][ T1122]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   45.684286][ T1122]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.684465][ T1122]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.684666][ T1122]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.684848][ T1122]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.685028][ T1122]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.685218][ T1122]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   45.685401][ T1122]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.685588][ T1122]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.685829][ T1122]  ? 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))
[   45.686006][ T1122]  ? 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))
[   45.686197][ T1122]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.686379][ T1122]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.686569][ T1122]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.686762][ T1122]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   45.686945][ T1122]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   45.687126][ T1122]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   45.687317][ T1122]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   45.687497][ T1122]  ? copy_msghdr_from_user (net/socket.c:2635)
[   45.687697][ T1122]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   45.687908][ T1122]  ? move_addr_to_kernel (net/socket.c:258)
[   45.688091][ T1122]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.688283][ T1122]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   45.688465][ T1122]  ___sys_sendmsg (net/socket.c:2752)
[   45.688666][ T1122]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   45.688847][ T1122]  ? copy_msghdr_from_user (net/socket.c:2603)
[   45.689032][ T1122]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   45.689224][ T1122]  ? 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))
[   45.689407][ T1122]  __sys_sendmsg (net/socket.c:2784)
[   45.689598][ T1122]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   45.689795][ T1122]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.689975][ T1122]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.690163][ T1122]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.690345][ T1122]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.690529][ T1122]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.690724][ T1122]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.690935][ T1122] RIP: 0033:0x7fdbafbbd08e
[   45.691119][ T1122] 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
[   45.691664][ T1122] RSP: 002b:00007ffdb326eaf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.691911][ T1122] RAX: ffffffffffffffda RBX: 00007ffdb326f288 RCX: 00007fdbafbbd08e
[   45.692162][ T1122] RDX: 0000000000000000 RSI: 00007ffdb326eba0 RDI: 0000000000000005
[   45.692405][ T1122] RBP: 00007ffdb326eb00 R08: 0000000000000000 R09: 0000000000000000
[   45.692669][ T1122] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d857
[   45.692912][ T1122] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb326f260
| [   45.793230][ T1126] ------------[ cut here ]------------
| [   45.793377][ T1126] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1126
| [   45.793640][ T1126] Modules linked in: xfrm_user nf_tables
| [   45.794052][ T1126] Tainted: [W]=WARN
[   45.794155][ T1126] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.794317][ T1126] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.794488][ T1126] 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
[   45.794959][ T1126] RSP: 0018:ffa00000017a7020 EFLAGS: 00010286
[   45.795120][ T1126] RAX: 00000000ffffffa6 RBX: ff11000012121a80 RCX: 1ff40000002f4dca
[   45.795318][ T1126] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012121b3c
[   45.795512][ T1126] RBP: ff11000012b7c000 R08: 1fe2200002424369 R09: ff1100000f87d158
[   45.795712][ T1126] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   45.795904][ T1126] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   45.796100][ T1126] FS:  00007ff1c677b840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   45.796331][ T1126] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.796493][ T1126] CR2: 0000000035ce0988 CR3: 000000000b578003 CR4: 0000000000771ef0
[   45.796696][ T1126] PKRU: 55555554
[   45.796792][ T1126] Call Trace:
[   45.796889][ T1126]  <TASK>
[   45.796955][ T1126]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.797086][ T1126]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.797188][ T1126]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   45.797316][ T1126]  __dev_notify_flags (net/core/dev.c:9787)
[   45.797447][ T1126]  ? netif_change_name (net/core/dev.c:1495)
[   45.797579][ T1126]  ? __dev_change_flags (net/core/dev.c:9752)
[   45.797715][ T1126]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   45.797846][ T1126]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.797975][ T1126]  ? 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))
[   45.798108][ T1126]  netif_change_flags (net/core/dev.c:9820)
[   45.798243][ T1126]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   45.798373][ T1126]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   45.798509][ T1126]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   45.798640][ T1126]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   45.798886][ T1126]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.799016][ T1126]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.799147][ T1126]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   45.799276][ T1126]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.799407][ T1126]  ? __kernel_text_address (kernel/extable.c:79)
[   45.799541][ T1126]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.799740][ T1126]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.799869][ T1126]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   45.799999][ T1126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.800129][ T1126]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   45.800263][ T1126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.800391][ T1126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.800525][ T1126]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   45.800712][ T1126]  ? __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)
[   45.800841][ T1126]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   45.801023][ T1126]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   45.801157][ T1126]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   45.801288][ T1126]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   45.801421][ T1126]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   45.801555][ T1126]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.801739][ T1126]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.801869][ T1126]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.801998][ T1126]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.802125][ T1126]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.802259][ T1126]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.802386][ T1126]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.802516][ T1126]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.802645][ T1126]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.802840][ T1126]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.802971][ T1126]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   45.803099][ T1126]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.803232][ T1126]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.803360][ T1126]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.803490][ T1126]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.803621][ T1126]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.803821][ T1126]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   45.803950][ T1126]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.804079][ T1126]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.804215][ T1126]  ? 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))
[   45.804344][ T1126]  ? 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))
[   45.804474][ T1126]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.804608][ T1126]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.804824][ T1126]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.804955][ T1126]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   45.805087][ T1126]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   45.805221][ T1126]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   45.805351][ T1126]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   45.805480][ T1126]  ? copy_msghdr_from_user (net/socket.c:2635)
[   45.805610][ T1126]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   45.805845][ T1126]  ? move_addr_to_kernel (net/socket.c:258)
[   45.805974][ T1126]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.806103][ T1126]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.806238][ T1126]  ___sys_sendmsg (net/socket.c:2752)
[   45.806367][ T1126]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   45.806530][ T1126]  ? copy_msghdr_from_user (net/socket.c:2603)
[   45.806747][ T1126]  __sys_sendmsg (net/socket.c:2784)
[   45.806877][ T1126]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   45.807003][ T1126]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   45.807172][ T1126]  ? 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)
[   45.807301][ T1126]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.807431][ T1126]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.807563][ T1126]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.807732][ T1126]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.807863][ T1126]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.808022][ T1126] RIP: 0033:0x7ff1c69b508e
[   45.808163][ T1126] 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
[   45.808625][ T1126] RSP: 002b:00007fffd635e880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.808825][ T1126] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff1c69b508e
[   45.809016][ T1126] RDX: 0000000000000000 RSI: 00007fffd635e930 RDI: 0000000000000005
[   45.809215][ T1126] RBP: 00007fffd635e890 R08: 0000000000000000 R09: 0000000000000000
[   45.809405][ T1126] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d858
[   45.809600][ T1126] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd635eff0
| [   45.919539][ T1130] ------------[ cut here ]------------
| [   45.919696][ T1130] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1130
| [   45.919956][ T1130] Modules linked in: xfrm_user nf_tables
| [   45.920361][ T1130] Tainted: [W]=WARN
[   45.920460][ T1130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.920633][ T1130] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.920807][ T1130] 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
[   45.921277][ T1130] RSP: 0018:ffa0000001787020 EFLAGS: 00010286
[   45.921439][ T1130] RAX: 00000000ffffffa6 RBX: ff1100000b59d700 RCX: 1ff40000002f0dca
[   45.921638][ T1130] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b59d7bc
[   45.921835][ T1130] RBP: ff1100000d274000 R08: 1fe22000016b3af9 R09: ff1100000f255158
[   45.922030][ T1130] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   45.922228][ T1130] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   45.922422][ T1130] FS:  00007f8fde41c840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   45.922658][ T1130] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.922821][ T1130] CR2: 0000000025c03988 CR3: 00000000027d2005 CR4: 0000000000771ef0
[   45.923017][ T1130] PKRU: 55555554
[   45.923114][ T1130] Call Trace:
[   45.923219][ T1130]  <TASK>
[   45.923287][ T1130]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.923421][ T1130]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.923522][ T1130]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   45.923655][ T1130]  __dev_notify_flags (net/core/dev.c:9787)
[   45.923786][ T1130]  ? netif_change_name (net/core/dev.c:1495)
[   45.923917][ T1130]  ? __dev_change_flags (net/core/dev.c:9752)
[   45.924047][ T1130]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   45.924183][ T1130]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.924314][ T1130]  ? 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))
[   45.924446][ T1130]  netif_change_flags (net/core/dev.c:9820)
[   45.924579][ T1130]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   45.924714][ T1130]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   45.924847][ T1130]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   45.924979][ T1130]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   45.925147][ T1130]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   45.925278][ T1130]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.925407][ T1130]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   45.925540][ T1130]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.925761][ T1130]  ? __kernel_text_address (kernel/extable.c:79)
[   45.925894][ T1130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.926028][ T1130]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.926165][ T1130]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   45.926298][ T1130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.926428][ T1130]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   45.926562][ T1130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.926771][ T1130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.926901][ T1130]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   45.927031][ T1130]  ? __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)
[   45.927167][ T1130]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   45.927296][ T1130]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   45.927428][ T1130]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   45.927564][ T1130]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   45.927771][ T1130]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   45.927903][ T1130]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.928031][ T1130]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.928165][ T1130]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.928293][ T1130]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   45.928423][ T1130]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.928562][ T1130]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.928788][ T1130]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.928918][ T1130]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.929047][ T1130]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   45.929184][ T1130]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   45.929314][ T1130]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   45.929444][ T1130]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.929576][ T1130]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.929780][ T1130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.929912][ T1130]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.930039][ T1130]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   45.930175][ T1130]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   45.930303][ T1130]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   45.930432][ T1130]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   45.930569][ T1130]  ? 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))
[   45.930752][ T1130]  ? 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))
[   45.930882][ T1130]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   45.931013][ T1130]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.931148][ T1130]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   45.931279][ T1130]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   45.931409][ T1130]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   45.931543][ T1130]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   45.931729][ T1130]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   45.931861][ T1130]  ? copy_msghdr_from_user (net/socket.c:2635)
[   45.931990][ T1130]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   45.932153][ T1130]  ? move_addr_to_kernel (net/socket.c:258)
[   45.932284][ T1130]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   45.932414][ T1130]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   45.932547][ T1130]  ___sys_sendmsg (net/socket.c:2752)
[   45.932687][ T1130]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   45.932848][ T1130]  ? copy_msghdr_from_user (net/socket.c:2603)
[   45.932989][ T1130]  __sys_sendmsg (net/socket.c:2784)
[   45.933119][ T1130]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   45.933251][ T1130]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   45.933415][ T1130]  ? 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)
[   45.933547][ T1130]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   45.933683][ T1130]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   45.933813][ T1130]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   45.933942][ T1130]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   45.934072][ T1130]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   45.934237][ T1130] RIP: 0033:0x7f8fde65608e
[   45.934372][ T1130] 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
[   45.934840][ T1130] RSP: 002b:00007ffea23b6a00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   45.935035][ T1130] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8fde65608e
[   45.935233][ T1130] RDX: 0000000000000000 RSI: 00007ffea23b6ab0 RDI: 0000000000000005
[   45.935426][ T1130] RBP: 00007ffea23b6a10 R08: 0000000000000000 R09: 0000000000000000
[   45.935625][ T1130] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d858
[   45.935912][ T1130] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffea23b7170
| [   45.938417][   T64] ------------[ cut here ]------------
| [   45.938557][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/64
| [   45.938803][   T64] Modules linked in: xfrm_user nf_tables
| [   45.939204][   T64] Tainted: [W]=WARN
[   45.939294][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   45.939458][   T64] Workqueue: events_unbound linkwatch_event
[   45.939617][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   45.939780][   T64] 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
[   45.940215][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   45.940364][   T64] RAX: 00000000ffffffa6 RBX: ff11000012121380 RCX: 1ff400000008af02
[   45.940543][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001212143c
[   45.940742][   T64] RBP: ff11000012b7c000 R08: 1fe2200002424289 R09: ff11000006100ba8
[   45.940920][   T64] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   45.941101][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   45.941284][   T64] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   45.941493][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.941646][   T64] CR2: 000055d3d5b6bd5c CR3: 000000000dd67005 CR4: 0000000000771ef0
[   45.941831][   T64] PKRU: 55555554
[   45.941921][   T64] Call Trace:
[   45.942010][   T64]  <TASK>
[   45.942072][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   45.942198][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   45.942324][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   45.942415][   T64]  netif_state_change (net/core/dev.c:1605)
[   45.942539][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   45.942698][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   45.942817][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   45.942942][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   45.943069][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   45.943193][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   45.943313][   T64]  process_one_work (kernel/workqueue.c:3314)
[   45.943438][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   45.943560][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   45.943690][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   45.943812][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   45.943931][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   45.944051][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   45.944176][   T64]  kthread (kernel/kthread.c:436)
[   45.944266][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   45.944414][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   45.944536][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   45.944664][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   45.944812][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   45.944931][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   45.945050][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   46.117720][ T1138] ------------[ cut here ]------------
| [   46.117874][ T1138] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1138
| [   46.118146][ T1138] Modules linked in: xfrm_user nf_tables
| [   46.118565][ T1138] Tainted: [W]=WARN
[   46.118673][ T1138] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.118841][ T1138] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   46.119015][ T1138] 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
[   46.119497][ T1138] RSP: 0018:ffa0000001786e30 EFLAGS: 00010286
[   46.119674][ T1138] RAX: 00000000ffffffa6 RBX: ff1100001243f700 RCX: 1ff40000002f0d8c
[   46.119873][ T1138] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243f7bc
[   46.120072][ T1138] RBP: ff11000009429000 R08: 1fe2200002487ef9 R09: ff1100000fd6d180
[   46.120277][ T1138] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   46.120478][ T1138] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b6d7880
[   46.120686][ T1138] FS:  00007fb954b75840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   46.120922][ T1138] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.121091][ T1138] CR2: 00000000004eb188 CR3: 0000000005528004 CR4: 0000000000771ef0
[   46.121298][ T1138] PKRU: 55555554
[   46.121398][ T1138] Call Trace:
[   46.121499][ T1138]  <TASK>
[   46.121571][ T1138]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.121712][ T1138]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   46.121847][ T1138]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   46.121948][ T1138]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   46.122083][ T1138]  __dev_notify_flags (net/core/dev.c:9787)
[   46.122221][ T1138]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   46.122355][ T1138]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   46.122490][ T1138]  ? netif_change_name (net/core/dev.c:1495)
[   46.122627][ T1138]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   46.122762][ T1138]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   46.122895][ T1138]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   46.123029][ T1138]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.123169][ T1138]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.123302][ T1138]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   46.123435][ T1138]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   46.123575][ T1138]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   46.123804][ T1138]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   46.124012][ T1138]  veth_newlink (drivers/net/veth.c:1871)
[   46.124152][ T1138]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   46.124285][ T1138]  ? kasan_save_stack (mm/kasan/common.c:57)
[   46.124419][ T1138]  ? kasan_save_track (mm/kasan/common.c:78)
[   46.124555][ T1138]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   46.124782][ T1138]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   46.124917][ T1138]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   46.125052][ T1138]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   46.125191][ T1138]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   46.125325][ T1138]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   46.125460][ T1138]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   46.125600][ T1138]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   46.125791][ T1138]  ? __dev_get_by_name (net/core/dev.c:883)
[   46.125925][ T1138]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   46.126064][ T1138]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   46.126207][ T1138]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   46.126343][ T1138]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.126476][ T1138]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.126612][ T1138]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.126801][ T1138]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   46.126935][ T1138]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.127073][ T1138]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.127214][ T1138]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.127349][ T1138]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   46.127484][ T1138]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.127621][ T1138]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.127768][ T1138]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.127903][ T1138]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.128037][ T1138]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.128175][ T1138]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   46.128308][ T1138]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.128440][ T1138]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.128581][ T1138]  ? 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))
[   46.128718][ T1138]  ? 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))
[   46.128854][ T1138]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.128988][ T1138]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.129122][ T1138]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.129261][ T1138]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   46.129396][ T1138]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   46.129535][ T1138]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   46.129676][ T1138]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   46.129809][ T1138]  ? copy_msghdr_from_user (net/socket.c:2635)
[   46.129943][ T1138]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   46.130108][ T1138]  ? move_addr_to_kernel (net/socket.c:258)
[   46.130248][ T1138]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.130383][ T1138]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   46.130519][ T1138]  ___sys_sendmsg (net/socket.c:2752)
[   46.130657][ T1138]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   46.130791][ T1138]  ? copy_msghdr_from_user (net/socket.c:2603)
[   46.130930][ T1138]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   46.131068][ T1138]  ? 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))
[   46.131208][ T1138]  __sys_sendmsg (net/socket.c:2784)
[   46.131341][ T1138]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   46.131478][ T1138]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.131613][ T1138]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.131753][ T1138]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   46.131887][ T1138]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   46.132022][ T1138]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   46.132160][ T1138]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.132326][ T1138] RIP: 0033:0x7fb954daf08e
[   46.132466][ T1138] 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
[   46.132951][ T1138] RSP: 002b:00007ffffd024210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.133156][ T1138] RAX: ffffffffffffffda RBX: 00007ffffd0249a8 RCX: 00007fb954daf08e
[   46.133356][ T1138] RDX: 0000000000000000 RSI: 00007ffffd0242c0 RDI: 0000000000000005
[   46.133560][ T1138] RBP: 00007ffffd024220 R08: 0000000000000000 R09: 0000000000000000
[   46.133765][ T1138] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d858
[   46.133963][ T1138] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffffd024980
| [   46.150170][ T1138] ------------[ cut here ]------------
| [   46.150313][ T1138] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1138
| [   46.150576][ T1138] Modules linked in: xfrm_user nf_tables
| [   46.151003][ T1138] Tainted: [W]=WARN
[   46.151103][ T1138] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.151277][ T1138] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   46.151448][ T1138] 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
[   46.151921][ T1138] RSP: 0018:ffa00000017871b0 EFLAGS: 00010286
[   46.152087][ T1138] RAX: 00000000ffffffa6 RBX: ff11000005fb0200 RCX: 1ff40000002f0dfc
[   46.152287][ T1138] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005fb02bc
[   46.152482][ T1138] RBP: ff1100000e584000 R08: 1fe2200000bf6059 R09: ff1100000fd6d180
[   46.152683][ T1138] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   46.152878][ T1138] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   46.153074][ T1138] FS:  00007fb954b75840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   46.153309][ T1138] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.153474][ T1138] CR2: 00000000004eb188 CR3: 0000000005528004 CR4: 0000000000771ef0
[   46.153681][ T1138] PKRU: 55555554
[   46.153779][ T1138] Call Trace:
[   46.153877][ T1138]  <TASK>
[   46.153945][ T1138]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   46.154079][ T1138]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   46.154184][ T1138]  __dev_notify_flags (net/core/dev.c:9787)
[   46.154318][ T1138]  ? netif_change_name (net/core/dev.c:1495)
[   46.154451][ T1138]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   46.154585][ T1138]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   46.154722][ T1138]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   46.154855][ T1138]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   46.154987][ T1138]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   46.155118][ T1138]  ? __dev_get_by_name (net/core/dev.c:883)
[   46.155253][ T1138]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   46.155391][ T1138]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   46.155532][ T1138]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   46.155668][ T1138]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.155799][ T1138]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.155931][ T1138]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.156061][ T1138]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   46.156196][ T1138]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.156332][ T1138]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.156463][ T1138]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.156599][ T1138]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   46.156733][ T1138]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.156865][ T1138]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.156994][ T1138]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.157127][ T1138]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.157263][ T1138]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.157394][ T1138]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   46.157529][ T1138]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.157663][ T1138]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.157798][ T1138]  ? 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))
[   46.157928][ T1138]  ? 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))
[   46.158060][ T1138]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.158197][ T1138]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.158328][ T1138]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.158459][ T1138]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   46.158596][ T1138]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   46.158731][ T1138]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   46.158865][ T1138]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   46.158996][ T1138]  ? copy_msghdr_from_user (net/socket.c:2635)
[   46.159127][ T1138]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   46.159294][ T1138]  ? move_addr_to_kernel (net/socket.c:258)
[   46.159428][ T1138]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.159564][ T1138]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   46.159699][ T1138]  ___sys_sendmsg (net/socket.c:2752)
[   46.159828][ T1138]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   46.159960][ T1138]  ? copy_msghdr_from_user (net/socket.c:2603)
[   46.160096][ T1138]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   46.160237][ T1138]  ? 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))
[   46.160370][ T1138]  __sys_sendmsg (net/socket.c:2784)
[   46.160503][ T1138]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   46.160640][ T1138]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.160774][ T1138]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.160906][ T1138]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   46.161036][ T1138]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   46.161173][ T1138]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   46.161304][ T1138]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.161468][ T1138] RIP: 0033:0x7fb954daf08e
[   46.161607][ T1138] 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
[   46.162078][ T1138] RSP: 002b:00007ffffd024210 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.162279][ T1138] RAX: ffffffffffffffda RBX: 00007ffffd0249a8 RCX: 00007fb954daf08e
[   46.162476][ T1138] RDX: 0000000000000000 RSI: 00007ffffd0242c0 RDI: 0000000000000005
[   46.162679][ T1138] RBP: 00007ffffd024220 R08: 0000000000000000 R09: 0000000000000000
[   46.162873][ T1138] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d858
[   46.163067][ T1138] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffffd024980
| [   46.267169][ T1142] ------------[ cut here ]------------
| [   46.267348][ T1142] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1142
| [   46.267668][ T1142] Modules linked in: xfrm_user nf_tables
| [   46.268164][ T1142] Tainted: [W]=WARN
[   46.268309][ T1142] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.268522][ T1142] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   46.269370][ T1142] 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
[   46.269947][ T1142] RSP: 0018:ffa0000001787020 EFLAGS: 00010286
[   46.270210][ T1142] RAX: 00000000ffffffa6 RBX: ff110000121af1c0 RCX: 1ff40000002f0dca
[   46.270445][ T1142] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121af27c
[   46.270705][ T1142] RBP: ff1100000e584000 R08: 1fe2200002435e51 R09: ff11000013bf0b58
[   46.270953][ T1142] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   46.271199][ T1142] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   46.271440][ T1142] FS:  00007f2a29f0f840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   46.271728][ T1142] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.271937][ T1142] CR2: 0000000003706988 CR3: 0000000012ba3003 CR4: 0000000000771ef0
[   46.272185][ T1142] PKRU: 55555554
[   46.272329][ T1142] Call Trace:
[   46.272473][ T1142]  <TASK>
[   46.272592][ T1142]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   46.272787][ T1142]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   46.272933][ T1142]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   46.273108][ T1142]  __dev_notify_flags (net/core/dev.c:9787)
[   46.273296][ T1142]  ? netif_change_name (net/core/dev.c:1495)
[   46.273473][ T1142]  ? __dev_change_flags (net/core/dev.c:9752)
[   46.273668][ T1142]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   46.273841][ T1142]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.274018][ T1142]  ? 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))
[   46.274205][ T1142]  netif_change_flags (net/core/dev.c:9820)
[   46.274383][ T1142]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   46.274566][ T1142]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   46.274759][ T1142]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   46.274937][ T1142]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   46.275152][ T1142]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.275330][ T1142]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.275508][ T1142]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   46.275699][ T1142]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.275878][ T1142]  ? __kernel_text_address (kernel/extable.c:79)
[   46.276054][ T1142]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.276242][ T1142]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.276420][ T1142]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   46.276605][ T1142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.276796][ T1142]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   46.276970][ T1142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.277152][ T1142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.277331][ T1142]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   46.277517][ T1142]  ? __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)
[   46.277703][ T1142]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   46.277882][ T1142]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   46.278059][ T1142]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   46.278247][ T1142]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   46.278430][ T1142]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   46.278615][ T1142]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.278799][ T1142]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.278978][ T1142]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.279160][ T1142]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   46.279336][ T1142]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.279519][ T1142]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.279707][ T1142]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.279882][ T1142]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.280058][ T1142]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.280248][ T1142]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.280427][ T1142]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   46.280612][ T1142]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.280800][ T1142]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.280976][ T1142]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.281161][ T1142]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.281336][ T1142]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.281516][ T1142]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   46.281710][ T1142]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.281887][ T1142]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.282067][ T1142]  ? 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))
[   46.282250][ T1142]  ? 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))
[   46.282428][ T1142]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.282615][ T1142]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.282801][ T1142]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.282982][ T1142]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   46.283166][ T1142]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   46.283344][ T1142]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   46.283525][ T1142]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   46.283716][ T1142]  ? copy_msghdr_from_user (net/socket.c:2635)
[   46.283891][ T1142]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   46.284096][ T1142]  ? move_addr_to_kernel (net/socket.c:258)
[   46.284282][ T1142]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.284460][ T1142]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.284646][ T1142]  ___sys_sendmsg (net/socket.c:2752)
[   46.284834][ T1142]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   46.285042][ T1142]  ? copy_msghdr_from_user (net/socket.c:2603)
[   46.285240][ T1142]  __sys_sendmsg (net/socket.c:2784)
[   46.285421][ T1142]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   46.285604][ T1142]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   46.285831][ T1142]  ? 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)
[   46.286007][ T1142]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.286190][ T1142]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   46.286367][ T1142]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   46.286548][ T1142]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   46.286736][ T1142]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.286943][ T1142] RIP: 0033:0x7f2a2a14908e
[   46.287131][ T1142] 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
[   46.287646][ T1142] RSP: 002b:00007ffc0073f460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.287899][ T1142] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2a2a14908e
[   46.288147][ T1142] RDX: 0000000000000000 RSI: 00007ffc0073f510 RDI: 0000000000000005
[   46.288384][ T1142] RBP: 00007ffc0073f470 R08: 0000000000000000 R09: 0000000000000000
[   46.288630][ T1142] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d858
[   46.288881][ T1142] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0073fbd0
| [   46.397466][ T1146] ------------[ cut here ]------------
| [   46.397616][ T1146] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1146
| [   46.397884][ T1146] Modules linked in: xfrm_user nf_tables
| [   46.398286][ T1146] Tainted: [W]=WARN
[   46.398382][ T1146] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.398546][ T1146] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   46.398718][ T1146] 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
[   46.399184][ T1146] RSP: 0018:ffa0000001787020 EFLAGS: 00010286
[   46.399346][ T1146] RAX: 00000000ffffffa6 RBX: ff1100000b72d540 RCX: 1ff40000002f0dca
[   46.399546][ T1146] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72d5fc
[   46.399742][ T1146] RBP: ff11000009429000 R08: 1fe22000016e5ac1 R09: ff1100000ebb8b58
[   46.399934][ T1146] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   46.400124][ T1146] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   46.400324][ T1146] FS:  00007f9e7dd3d840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   46.400551][ T1146] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.400720][ T1146] CR2: 0000000026159988 CR3: 000000000fcc6001 CR4: 0000000000771ef0
[   46.400914][ T1146] PKRU: 55555554
[   46.401010][ T1146] Call Trace:
[   46.401106][ T1146]  <TASK>
[   46.401180][ T1146]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   46.401311][ T1146]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   46.401409][ T1146]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   46.401541][ T1146]  __dev_notify_flags (net/core/dev.c:9787)
[   46.401678][ T1146]  ? netif_change_name (net/core/dev.c:1495)
[   46.401808][ T1146]  ? __dev_change_flags (net/core/dev.c:9752)
[   46.401937][ T1146]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   46.402067][ T1146]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.402203][ T1146]  ? 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))
[   46.402335][ T1146]  netif_change_flags (net/core/dev.c:9820)
[   46.402465][ T1146]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   46.402600][ T1146]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   46.402738][ T1146]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   46.402867][ T1146]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   46.403028][ T1146]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.403161][ T1146]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.403290][ T1146]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   46.403418][ T1146]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.403549][ T1146]  ? __kernel_text_address (kernel/extable.c:79)
[   46.403683][ T1146]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.403814][ T1146]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.403942][ T1146]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   46.404072][ T1146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.404207][ T1146]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   46.404336][ T1146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.404464][ T1146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.404596][ T1146]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   46.404785][ T1146]  ? __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)
[   46.404914][ T1146]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   46.405043][ T1146]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   46.405179][ T1146]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   46.405310][ T1146]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   46.405442][ T1146]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   46.405577][ T1146]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.405759][ T1146]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.405888][ T1146]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.406016][ T1146]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   46.406148][ T1146]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.406280][ T1146]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.406409][ T1146]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.406542][ T1146]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.406727][ T1146]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.406911][ T1146]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.407039][ T1146]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   46.407175][ T1146]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.407303][ T1146]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.407430][ T1146]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.407565][ T1146]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.407749][ T1146]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.407879][ T1146]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   46.408007][ T1146]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.408136][ T1146]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.408275][ T1146]  ? 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))
[   46.408404][ T1146]  ? 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))
[   46.408539][ T1146]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.408726][ T1146]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.408856][ T1146]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.408985][ T1146]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   46.409114][ T1146]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   46.409249][ T1146]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   46.409379][ T1146]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   46.409510][ T1146]  ? copy_msghdr_from_user (net/socket.c:2635)
[   46.409639][ T1146]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   46.409877][ T1146]  ? move_addr_to_kernel (net/socket.c:258)
[   46.410009][ T1146]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.410139][ T1146]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.410275][ T1146]  ___sys_sendmsg (net/socket.c:2752)
[   46.410402][ T1146]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   46.410565][ T1146]  ? copy_msghdr_from_user (net/socket.c:2603)
[   46.410782][ T1146]  __sys_sendmsg (net/socket.c:2784)
[   46.410912][ T1146]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   46.411040][ T1146]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   46.411207][ T1146]  ? 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)
[   46.411336][ T1146]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.411465][ T1146]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   46.411596][ T1146]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   46.411808][ T1146]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   46.411938][ T1146]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.412098][ T1146] RIP: 0033:0x7f9e7df7708e
[   46.412238][ T1146] 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
[   46.412790][ T1146] RSP: 002b:00007ffe9bbd1830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.412987][ T1146] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9e7df7708e
[   46.413183][ T1146] RDX: 0000000000000000 RSI: 00007ffe9bbd18e0 RDI: 0000000000000005
[   46.413375][ T1146] RBP: 00007ffe9bbd1840 R08: 0000000000000000 R09: 0000000000000000
[   46.413572][ T1146] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d858
[   46.413843][ T1146] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe9bbd1fa0
| [   46.423171][   T36] ------------[ cut here ]------------
| [   46.423296][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   46.423533][   T36] Modules linked in: xfrm_user nf_tables
| [   46.424003][   T36] Tainted: [W]=WARN
[   46.424091][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.424243][   T36] Workqueue: events_unbound linkwatch_event
[   46.424397][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   46.424556][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   46.424979][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   46.425126][   T36] RAX: 00000000ffffffa6 RBX: ff1100000b72cac0 RCX: 1ff4000000051f02
[   46.425306][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72cb7c
[   46.425482][   T36] RBP: ff11000009429000 R08: 1fe22000016e5971 R09: ff11000001d751a8
[   46.425677][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   46.425850][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   46.426028][   T36] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   46.426244][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.426395][   T36] CR2: 0000000026159988 CR3: 000000000fcc6001 CR4: 0000000000771ef0
[   46.426572][   T36] PKRU: 55555554
[   46.426665][   T36] Call Trace:
[   46.426754][   T36]  <TASK>
[   46.426816][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   46.426934][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   46.427054][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   46.427151][   T36]  netif_state_change (net/core/dev.c:1605)
[   46.427270][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   46.427421][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   46.427540][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   46.427670][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.427790][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   46.427906][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   46.428024][   T36]  process_one_work (kernel/workqueue.c:3314)
[   46.428151][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   46.428268][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.428390][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   46.428516][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   46.428634][   T36]  kthread (kernel/kthread.c:436)
[   46.428736][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   46.428880][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   46.428998][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   46.429116][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   46.429271][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   46.429390][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   46.429514][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   46.431429][   T36] ------------[ cut here ]------------
| [   46.431556][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   46.431793][   T36] Modules linked in: xfrm_user nf_tables
| [   46.432184][   T36] Tainted: [W]=WARN
[   46.432276][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.432426][   T36] Workqueue: events_unbound linkwatch_event
[   46.432590][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   46.432748][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   46.433186][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   46.433334][   T36] RAX: 00000000ffffffa6 RBX: ff1100000fee4c80 RCX: 1ff4000000051f02
[   46.433515][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fee4d3c
[   46.433705][   T36] RBP: ff1100000e584000 R08: 1fe2200001fdc9a9 R09: ff11000001d751a8
[   46.433881][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   46.434061][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   46.434241][   T36] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   46.434447][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.434598][   T36] CR2: 0000000026159988 CR3: 000000004994d002 CR4: 0000000000771ef0
[   46.434781][   T36] PKRU: 55555554
[   46.434868][   T36] Call Trace:
[   46.434955][   T36]  <TASK>
[   46.435016][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   46.435135][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   46.435258][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   46.435347][   T36]  netif_state_change (net/core/dev.c:1605)
[   46.435467][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   46.435620][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   46.435743][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   46.435862][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.435983][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   46.436101][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   46.436224][   T36]  process_one_work (kernel/workqueue.c:3314)
[   46.436345][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   46.436463][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.436589][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   46.436716][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   46.436833][   T36]  kthread (kernel/kthread.c:436)
[   46.436922][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   46.437070][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   46.437193][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   46.437311][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   46.437459][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   46.437582][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   46.437705][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   46.619751][ T1154] ------------[ cut here ]------------
| [   46.619911][ T1154] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1154
| [   46.620185][ T1154] Modules linked in: xfrm_user nf_tables
| [   46.620605][ T1154] Tainted: [W]=WARN
[   46.620822][ T1154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.620993][ T1154] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   46.621174][ T1154] 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
[   46.621752][ T1154] RSP: 0018:ffa0000001826e30 EFLAGS: 00010286
[   46.622001][ T1154] RAX: 00000000ffffffa6 RBX: ff11000005fb1540 RCX: 1ff4000000304d8c
[   46.622209][ T1154] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005fb15fc
[   46.622410][ T1154] RBP: ff1100000f3a4000 R08: 1fe2200000bf62c1 R09: ff1100000e590b80
[   46.622613][ T1154] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   46.622905][ T1154] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e48f500
[   46.623110][ T1154] FS:  00007f5956ee3840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   46.623351][ T1154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.623526][ T1154] CR2: 00000000004eb188 CR3: 000000000f95c004 CR4: 0000000000771ef0
[   46.623809][ T1154] PKRU: 55555554
[   46.623910][ T1154] Call Trace:
[   46.624012][ T1154]  <TASK>
[   46.624082][ T1154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.624222][ T1154]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   46.624362][ T1154]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   46.624465][ T1154]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   46.624605][ T1154]  __dev_notify_flags (net/core/dev.c:9787)
[   46.624824][ T1154]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   46.624958][ T1154]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   46.625092][ T1154]  ? netif_change_name (net/core/dev.c:1495)
[   46.625234][ T1154]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   46.625369][ T1154]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   46.625508][ T1154]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   46.625642][ T1154]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.625841][ T1154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.625978][ T1154]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   46.626114][ T1154]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   46.626253][ T1154]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   46.626387][ T1154]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   46.626527][ T1154]  veth_newlink (drivers/net/veth.c:1871)
[   46.626667][ T1154]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   46.626800][ T1154]  ? kasan_save_stack (mm/kasan/common.c:57)
[   46.626936][ T1154]  ? kasan_save_track (mm/kasan/common.c:78)
[   46.627072][ T1154]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   46.627228][ T1154]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   46.627361][ T1154]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   46.627497][ T1154]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   46.627637][ T1154]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   46.627779][ T1154]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   46.627915][ T1154]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   46.628052][ T1154]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   46.628190][ T1154]  ? __dev_get_by_name (net/core/dev.c:883)
[   46.628326][ T1154]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   46.628466][ T1154]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   46.628609][ T1154]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   46.628752][ T1154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.628886][ T1154]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.629020][ T1154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.629158][ T1154]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   46.629293][ T1154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.629431][ T1154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.629571][ T1154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.629710][ T1154]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   46.629844][ T1154]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.629977][ T1154]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.630111][ T1154]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.630252][ T1154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.630385][ T1154]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.630523][ T1154]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   46.630664][ T1154]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.630799][ T1154]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.630938][ T1154]  ? 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))
[   46.631072][ T1154]  ? 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))
[   46.631214][ T1154]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.631351][ T1154]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.631488][ T1154]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.631628][ T1154]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   46.631768][ T1154]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   46.631906][ T1154]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   46.632043][ T1154]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   46.632184][ T1154]  ? copy_msghdr_from_user (net/socket.c:2635)
[   46.632318][ T1154]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   46.632484][ T1154]  ? move_addr_to_kernel (net/socket.c:258)
[   46.632627][ T1154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.632767][ T1154]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   46.632903][ T1154]  ___sys_sendmsg (net/socket.c:2752)
[   46.633036][ T1154]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   46.633176][ T1154]  ? copy_msghdr_from_user (net/socket.c:2603)
[   46.633317][ T1154]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   46.633456][ T1154]  ? 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))
[   46.633599][ T1154]  __sys_sendmsg (net/socket.c:2784)
[   46.633739][ T1154]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   46.633882][ T1154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.634018][ T1154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.634157][ T1154]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   46.634291][ T1154]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   46.634425][ T1154]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   46.634565][ T1154]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.634737][ T1154] RIP: 0033:0x7f595711d08e
[   46.634879][ T1154] 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
[   46.635366][ T1154] RSP: 002b:00007fff02886170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.635573][ T1154] RAX: ffffffffffffffda RBX: 00007fff02886908 RCX: 00007f595711d08e
[   46.635790][ T1154] RDX: 0000000000000000 RSI: 00007fff02886220 RDI: 0000000000000005
[   46.635992][ T1154] RBP: 00007fff02886180 R08: 0000000000000000 R09: 0000000000000000
[   46.636200][ T1154] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d858
[   46.636401][ T1154] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff028868e0
| [   46.643897][ T1154] ------------[ cut here ]------------
| [   46.644043][ T1154] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1154
| [   46.644312][ T1154] Modules linked in: xfrm_user nf_tables
| [   46.644724][ T1154] Tainted: [W]=WARN
[   46.644824][ T1154] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.644990][ T1154] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   46.645169][ T1154] 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
[   46.645646][ T1154] RSP: 0018:ffa00000018271b0 EFLAGS: 00010286
[   46.645817][ T1154] RAX: 00000000ffffffa6 RBX: ff1100000e8f1a80 RCX: 1ff4000000304dfc
[   46.646015][ T1154] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e8f1b3c
[   46.646219][ T1154] RBP: ff11000012b61000 R08: 1fe2200001d1e369 R09: ff1100000e590b80
[   46.646416][ T1154] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   46.646614][ T1154] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   46.646817][ T1154] FS:  00007f5956ee3840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   46.647047][ T1154] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.647223][ T1154] CR2: 00007f4cd72fcf98 CR3: 000000000f95c006 CR4: 0000000000771ef0
[   46.647421][ T1154] PKRU: 55555554
[   46.647525][ T1154] Call Trace:
[   46.647624][ T1154]  <TASK>
[   46.647698][ T1154]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   46.647833][ T1154]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   46.647934][ T1154]  __dev_notify_flags (net/core/dev.c:9787)
[   46.648068][ T1154]  ? netif_change_name (net/core/dev.c:1495)
[   46.648208][ T1154]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   46.648340][ T1154]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   46.648476][ T1154]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   46.648614][ T1154]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   46.648755][ T1154]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   46.648889][ T1154]  ? __dev_get_by_name (net/core/dev.c:883)
[   46.649021][ T1154]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   46.649162][ T1154]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   46.649299][ T1154]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   46.649433][ T1154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.649569][ T1154]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.649707][ T1154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.649839][ T1154]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   46.649971][ T1154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.650108][ T1154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.650245][ T1154]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.650377][ T1154]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   46.650513][ T1154]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.650646][ T1154]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.650783][ T1154]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.650916][ T1154]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.651047][ T1154]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.651186][ T1154]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   46.651318][ T1154]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.651451][ T1154]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.651590][ T1154]  ? 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))
[   46.651727][ T1154]  ? 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))
[   46.651862][ T1154]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.651997][ T1154]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.652131][ T1154]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.652269][ T1154]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   46.652403][ T1154]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   46.652540][ T1154]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   46.652680][ T1154]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   46.652813][ T1154]  ? copy_msghdr_from_user (net/socket.c:2635)
[   46.652946][ T1154]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   46.653112][ T1154]  ? move_addr_to_kernel (net/socket.c:258)
[   46.653251][ T1154]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.653384][ T1154]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   46.653519][ T1154]  ___sys_sendmsg (net/socket.c:2752)
[   46.653650][ T1154]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   46.653787][ T1154]  ? copy_msghdr_from_user (net/socket.c:2603)
[   46.653925][ T1154]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   46.654062][ T1154]  ? 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))
[   46.654203][ T1154]  __sys_sendmsg (net/socket.c:2784)
[   46.654337][ T1154]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   46.654472][ T1154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.654609][ T1154]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.654747][ T1154]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   46.654880][ T1154]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   46.655014][ T1154]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   46.655153][ T1154]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.655317][ T1154] RIP: 0033:0x7f595711d08e
[   46.655455][ T1154] 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
[   46.655935][ T1154] RSP: 002b:00007fff02886170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.656135][ T1154] RAX: ffffffffffffffda RBX: 00007fff02886908 RCX: 00007f595711d08e
[   46.656339][ T1154] RDX: 0000000000000000 RSI: 00007fff02886220 RDI: 0000000000000005
[   46.656539][ T1154] RBP: 00007fff02886180 R08: 0000000000000000 R09: 0000000000000000
[   46.656745][ T1154] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d858
[   46.656942][ T1154] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff028868e0
| [   46.700370][   T36] ------------[ cut here ]------------
| [   46.700508][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   46.701379][   T36] Modules linked in: xfrm_user nf_tables
| [   46.702172][   T36] Tainted: [W]=WARN
[   46.702265][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.702416][   T36] Workqueue: events_unbound linkwatch_event
[   46.702575][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   46.702845][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   46.703278][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   46.703430][   T36] RAX: 00000000ffffffa6 RBX: ff110000125263c0 RCX: 1ff4000000051f02
[   46.703615][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001252647c
[   46.703889][   T36] RBP: ff1100000d274000 R08: 1fe22000024a4c91 R09: ff11000001d751a8
[   46.704071][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   46.704343][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   46.704533][   T36] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   46.704839][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.704994][   T36] CR2: 00007fe120c3b668 CR3: 0000000009a8c002 CR4: 0000000000771ef0
[   46.705185][   T36] PKRU: 55555554
[   46.705275][   T36] Call Trace:
[   46.705366][   T36]  <TASK>
[   46.705429][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   46.705554][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   46.705770][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   46.705864][   T36]  netif_state_change (net/core/dev.c:1605)
[   46.705992][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   46.706151][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   46.706272][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   46.706395][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.706522][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   46.706643][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   46.706860][   T36]  process_one_work (kernel/workqueue.c:3314)
[   46.706990][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   46.707111][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.707246][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   46.707372][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   46.707492][   T36]  kthread (kernel/kthread.c:436)
[   46.707591][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   46.707843][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   46.707965][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   46.708086][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   46.708244][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   46.708367][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   46.708490][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   46.759147][ T1158] ------------[ cut here ]------------
| [   46.759294][ T1158] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1158
| [   46.759559][ T1158] Modules linked in: xfrm_user nf_tables
| [   46.759961][ T1158] Tainted: [W]=WARN
[   46.760059][ T1158] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.760231][ T1158] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   46.760402][ T1158] 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
[   46.761532][ T1158] RSP: 0018:ffa0000001857020 EFLAGS: 00010286
[   46.761704][ T1158] RAX: 00000000ffffffa6 RBX: ff1100000925d380 RCX: 1ff400000030adca
[   46.761900][ T1158] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000925d43c
[   46.762093][ T1158] RBP: ff11000012b61000 R08: 1fe220000124ba89 R09: ff1100000fb05158
[   46.762291][ T1158] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   46.762484][ T1158] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   46.762690][ T1158] FS:  00007fddc9835840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   46.762919][ T1158] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.763081][ T1158] CR2: 000000002154f988 CR3: 0000000012bc3005 CR4: 0000000000771ef0
[   46.763281][ T1158] PKRU: 55555554
[   46.763377][ T1158] Call Trace:
[   46.763474][ T1158]  <TASK>
[   46.763545][ T1158]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   46.763698][ T1158]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   46.763798][ T1158]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   46.763928][ T1158]  __dev_notify_flags (net/core/dev.c:9787)
[   46.764060][ T1158]  ? netif_change_name (net/core/dev.c:1495)
[   46.764198][ T1158]  ? __dev_change_flags (net/core/dev.c:9752)
[   46.764328][ T1158]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   46.764458][ T1158]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.764597][ T1158]  ? 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))
[   46.764734][ T1158]  netif_change_flags (net/core/dev.c:9820)
[   46.764865][ T1158]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   46.764996][ T1158]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   46.765129][ T1158]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   46.765267][ T1158]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   46.765428][ T1158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.765563][ T1158]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.765698][ T1158]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   46.765830][ T1158]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.765960][ T1158]  ? __kernel_text_address (kernel/extable.c:79)
[   46.766090][ T1158]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.766225][ T1158]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.766356][ T1158]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   46.766486][ T1158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.766620][ T1158]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   46.766755][ T1158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.766884][ T1158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.767015][ T1158]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   46.767153][ T1158]  ? __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)
[   46.767282][ T1158]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   46.767415][ T1158]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   46.767548][ T1158]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   46.767686][ T1158]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   46.767818][ T1158]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   46.767949][ T1158]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.768079][ T1158]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.768213][ T1158]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.768343][ T1158]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   46.768471][ T1158]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.768607][ T1158]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.768743][ T1158]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.768873][ T1158]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.769003][ T1158]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.769134][ T1158]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.769269][ T1158]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   46.769400][ T1158]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.769535][ T1158]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.769669][ T1158]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.769800][ T1158]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.769929][ T1158]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.770059][ T1158]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   46.770193][ T1158]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.770324][ T1158]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.770458][ T1158]  ? 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))
[   46.770593][ T1158]  ? 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))
[   46.770731][ T1158]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.770863][ T1158]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.770994][ T1158]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.771125][ T1158]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   46.771260][ T1158]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   46.771390][ T1158]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   46.771529][ T1158]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   46.771664][ T1158]  ? copy_msghdr_from_user (net/socket.c:2635)
[   46.771793][ T1158]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   46.771953][ T1158]  ? move_addr_to_kernel (net/socket.c:258)
[   46.772084][ T1158]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.772218][ T1158]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.772351][ T1158]  ___sys_sendmsg (net/socket.c:2752)
[   46.772481][ T1158]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   46.772644][ T1158]  ? copy_msghdr_from_user (net/socket.c:2603)
[   46.772791][ T1158]  __sys_sendmsg (net/socket.c:2784)
[   46.772920][ T1158]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   46.773047][ T1158]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   46.773216][ T1158]  ? 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)
[   46.773360][ T1158]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.773492][ T1158]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   46.773625][ T1158]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   46.773761][ T1158]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   46.773889][ T1158]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.774048][ T1158] RIP: 0033:0x7fddc9a6f08e
[   46.774188][ T1158] 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
[   46.774661][ T1158] RSP: 002b:00007ffc47d6eda0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.774856][ T1158] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fddc9a6f08e
[   46.775050][ T1158] RDX: 0000000000000000 RSI: 00007ffc47d6ee50 RDI: 0000000000000005
[   46.775248][ T1158] RBP: 00007ffc47d6edb0 R08: 0000000000000000 R09: 0000000000000000
[   46.775441][ T1158] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d859
[   46.775638][ T1158] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc47d6f510
| [   46.894255][ T1162] ------------[ cut here ]------------
| [   46.894441][ T1162] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1162
| [   46.894765][ T1162] Modules linked in: xfrm_user nf_tables
| [   46.895273][ T1162] Tainted: [W]=WARN
[   46.895418][ T1162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.895636][ T1162] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   46.895864][ T1162] 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
[   46.896377][ T1162] RSP: 0018:ffa00000017d7020 EFLAGS: 00010286
[   46.896595][ T1162] RAX: 00000000ffffffa6 RBX: ff1100000ce11700 RCX: 1ff40000002fadca
[   46.896859][ T1162] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce117bc
[   46.897101][ T1162] RBP: ff1100000f3a4000 R08: 1fe22000019c22f9 R09: ff1100000e465158
[   46.897348][ T1162] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   46.897595][ T1162] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   46.897848][ T1162] FS:  00007f1867a61840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   46.898119][ T1162] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.898336][ T1162] CR2: 00007f1867d311a0 CR3: 000000000f1de006 CR4: 0000000000771ef0
[   46.898583][ T1162] PKRU: 55555554
[   46.898825][ T1162] Call Trace:
[   46.899034][ T1162]  <TASK>
[   46.899216][ T1162]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   46.899448][ T1162]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   46.899701][ T1162]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   46.899964][ T1162]  __dev_notify_flags (net/core/dev.c:9787)
[   46.900184][ T1162]  ? netif_change_name (net/core/dev.c:1495)
[   46.900359][ T1162]  ? __dev_change_flags (net/core/dev.c:9752)
[   46.900541][ T1162]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   46.900731][ T1162]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.900908][ T1162]  ? 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))
[   46.901086][ T1162]  netif_change_flags (net/core/dev.c:9820)
[   46.901273][ T1162]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   46.901449][ T1162]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   46.901637][ T1162]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   46.901827][ T1162]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   46.902037][ T1162]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   46.902222][ T1162]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.902399][ T1162]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   46.902584][ T1162]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.902775][ T1162]  ? __kernel_text_address (kernel/extable.c:79)
[   46.902952][ T1162]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.903130][ T1162]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.903315][ T1162]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   46.903494][ T1162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.903690][ T1162]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   46.903865][ T1162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.904040][ T1162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.904222][ T1162]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   46.904401][ T1162]  ? __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)
[   46.904583][ T1162]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   46.904772][ T1162]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   46.904951][ T1162]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   46.905129][ T1162]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   46.905316][ T1162]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   46.905495][ T1162]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.905689][ T1162]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.905867][ T1162]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.906042][ T1162]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   46.906228][ T1162]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.906413][ T1162]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.906598][ T1162]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.906787][ T1162]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.906966][ T1162]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   46.907150][ T1162]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   46.907328][ T1162]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   46.907507][ T1162]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.907703][ T1162]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.907882][ T1162]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.908061][ T1162]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.908246][ T1162]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   46.908427][ T1162]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   46.908612][ T1162]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   46.908802][ T1162]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   46.908983][ T1162]  ? 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))
[   46.909165][ T1162]  ? 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))
[   46.909346][ T1162]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   46.909530][ T1162]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.909723][ T1162]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   46.909902][ T1162]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   46.910084][ T1162]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   46.910271][ T1162]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   46.910452][ T1162]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   46.910638][ T1162]  ? copy_msghdr_from_user (net/socket.c:2635)
[   46.910827][ T1162]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   46.911032][ T1162]  ? move_addr_to_kernel (net/socket.c:258)
[   46.911219][ T1162]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   46.911401][ T1162]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   46.911588][ T1162]  ___sys_sendmsg (net/socket.c:2752)
[   46.911777][ T1162]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   46.911986][ T1162]  ? copy_msghdr_from_user (net/socket.c:2603)
[   46.912183][ T1162]  __sys_sendmsg (net/socket.c:2784)
[   46.912362][ T1162]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   46.912543][ T1162]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   46.912770][ T1162]  ? 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)
[   46.912946][ T1162]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   46.913126][ T1162]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   46.913310][ T1162]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   46.913488][ T1162]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   46.913686][ T1162]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   46.913892][ T1162] RIP: 0033:0x7f1867c9b08e
[   46.914074][ T1162] 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
[   46.914595][ T1162] RSP: 002b:00007ffe7d1646e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   46.914849][ T1162] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1867c9b08e
[   46.915085][ T1162] RDX: 0000000000000000 RSI: 00007ffe7d164790 RDI: 0000000000000005
[   46.915337][ T1162] RBP: 00007ffe7d1646f0 R08: 0000000000000000 R09: 0000000000000000
[   46.915582][ T1162] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d859
[   46.915828][ T1162] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7d164e50
| [   46.918400][   T96] ------------[ cut here ]------------
| [   46.918531][   T96] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/96
| [   46.918772][   T96] Modules linked in: xfrm_user nf_tables
| [   46.919174][   T96] Tainted: [W]=WARN
[   46.919263][   T96] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.919412][   T96] Workqueue: events_unbound linkwatch_event
[   46.919569][   T96] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   46.919729][   T96] 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
[   46.920159][   T96] RSP: 0018:ffa00000005079e0 EFLAGS: 00010286
[   46.920309][   T96] RAX: 00000000ffffffa6 RBX: ff11000012527e00 RCX: 1ff40000000a0f02
[   46.920483][   T96] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012527ebc
[   46.920675][   T96] RBP: ff1100000f3a4000 R08: 1fe22000024a4fd9 R09: ff1100000abad1a8
[   46.920852][   T96] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   46.921029][   T96] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   46.921212][   T96] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   46.921419][   T96] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.921571][   T96] CR2: 00007f62b3ebb930 CR3: 000000004994d003 CR4: 0000000000771ef0
[   46.921753][   T96] PKRU: 55555554
[   46.921843][   T96] Call Trace:
[   46.921935][   T96]  <TASK>
[   46.921997][   T96]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   46.922117][   T96]  ? notifier_call_chain (kernel/notifier.c:85)
[   46.922241][   T96]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   46.922330][   T96]  netif_state_change (net/core/dev.c:1605)
[   46.922449][   T96]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   46.922601][   T96]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   46.922721][   T96]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   46.922845][   T96]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.922970][   T96]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   46.923090][   T96]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   46.923213][   T96]  process_one_work (kernel/workqueue.c:3314)
[   46.923336][   T96]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   46.923453][   T96]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.923581][   T96]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   46.923707][   T96]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   46.923826][   T96]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   46.923947][   T96]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   46.924066][   T96]  kthread (kernel/kthread.c:436)
[   46.924160][   T96]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   46.924308][   T96]  ? kthread_affine_node (kernel/kthread.c:378)
[   46.924425][   T96]  ret_from_fork (arch/x86/kernel/process.c:158)
[   46.924547][   T96]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   46.924699][   T96]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   46.924818][   T96]  ? kthread_affine_node (kernel/kthread.c:378)
[   46.924936][   T96]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   46.926672][   T96] ------------[ cut here ]------------
| [   46.926806][   T96] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/96
| [   46.927041][   T96] Modules linked in: xfrm_user nf_tables
| [   46.927443][   T96] Tainted: [W]=WARN
[   46.927539][   T96] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   46.927697][   T96] Workqueue: events_unbound linkwatch_event
[   46.927849][   T96] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   46.928001][   T96] 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
[   46.928427][   T96] RSP: 0018:ffa00000005079e0 EFLAGS: 00010286
[   46.928582][   T96] RAX: 00000000ffffffa6 RBX: ff11000012527000 RCX: 1ff40000000a0f02
[   46.928773][   T96] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000125270bc
[   46.928948][   T96] RBP: ff11000012b61000 R08: 1fe22000024a4e19 R09: ff1100000abad1a8
[   46.929123][   T96] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   46.929302][   T96] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   46.929477][   T96] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   46.929696][   T96] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.929843][   T96] CR2: 00007fe120a2d2a0 CR3: 000000004994d005 CR4: 0000000000771ef0
[   46.930025][   T96] PKRU: 55555554
[   46.930114][   T96] Call Trace:
[   46.930210][   T96]  <TASK>
[   46.930272][   T96]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   46.930390][   T96]  ? notifier_call_chain (kernel/notifier.c:85)
[   46.930516][   T96]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   46.930606][   T96]  netif_state_change (net/core/dev.c:1605)
[   46.930731][   T96]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   46.930879][   T96]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   46.930996][   T96]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   46.931113][   T96]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   46.931238][   T96]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   46.931357][   T96]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   46.931475][   T96]  process_one_work (kernel/workqueue.c:3314)
[   46.931599][   T96]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   46.931720][   T96]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   46.931842][   T96]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   46.931962][   T96]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   46.932080][   T96]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   46.932203][   T96]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   46.932323][   T96]  kthread (kernel/kthread.c:436)
[   46.932412][   T96]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   46.932561][   T96]  ? kthread_affine_node (kernel/kthread.c:378)
[   46.932687][   T96]  ret_from_fork (arch/x86/kernel/process.c:158)
[   46.932804][   T96]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   46.932950][   T96]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   46.933067][   T96]  ? kthread_affine_node (kernel/kthread.c:378)
[   46.933190][   T96]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   47.111119][ T1170] ------------[ cut here ]------------
| [   47.111282][ T1170] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1170
| [   47.111550][ T1170] Modules linked in: xfrm_user nf_tables
| [   47.111972][ T1170] Tainted: [W]=WARN
[   47.112073][ T1170] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.112249][ T1170] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.112424][ T1170] 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
[   47.112910][ T1170] RSP: 0018:ffa00000017d6e30 EFLAGS: 00010286
[   47.113078][ T1170] RAX: 00000000ffffffa6 RBX: ff1100000b884c80 RCX: 1ff40000002fad8c
[   47.113282][ T1170] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b884d3c
[   47.113482][ T1170] RBP: ff11000012b6c000 R08: 1fe22000017109a9 R09: ff1100000de90b80
[   47.113690][ T1170] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   47.113889][ T1170] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010a3a380
[   47.114091][ T1170] FS:  00007f5942c1a840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   47.114333][ T1170] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.114505][ T1170] CR2: 00000000004eb188 CR3: 0000000010b4b004 CR4: 0000000000771ef0
[   47.114711][ T1170] PKRU: 55555554
[   47.114811][ T1170] Call Trace:
[   47.114910][ T1170]  <TASK>
[   47.114982][ T1170]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   47.115119][ T1170]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   47.115226][ T1170]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   47.115393][ T1170]  __dev_notify_flags (net/core/dev.c:9787)
[   47.115538][ T1170]  ? netif_change_name (net/core/dev.c:1495)
[   47.115734][ T1170]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   47.115870][ T1170]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   47.116002][ T1170]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   47.116135][ T1170]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   47.116276][ T1170]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.116411][ T1170]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   47.116549][ T1170]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   47.116741][ T1170]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   47.116931][ T1170]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   47.117067][ T1170]  veth_newlink (drivers/net/veth.c:1871)
[   47.117209][ T1170]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   47.117340][ T1170]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.117475][ T1170]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.117612][ T1170]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   47.117818][ T1170]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   47.117952][ T1170]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   47.118088][ T1170]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   47.118226][ T1170]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   47.118362][ T1170]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   47.118499][ T1170]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   47.118638][ T1170]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   47.118830][ T1170]  ? __dev_get_by_name (net/core/dev.c:883)
[   47.118965][ T1170]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   47.119105][ T1170]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   47.119249][ T1170]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   47.119385][ T1170]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.119519][ T1170]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.119708][ T1170]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.119843][ T1170]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   47.119977][ T1170]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.120115][ T1170]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.120255][ T1170]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.120388][ T1170]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   47.120526][ T1170]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.120716][ T1170]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.120849][ T1170]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.120986][ T1170]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.121120][ T1170]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.121258][ T1170]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   47.121392][ T1170]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.121531][ T1170]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.121728][ T1170]  ? 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))
[   47.121861][ T1170]  ? 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))
[   47.121996][ T1170]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.122131][ T1170]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.122272][ T1170]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.122407][ T1170]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   47.122547][ T1170]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   47.122773][ T1170]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.122911][ T1170]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   47.123045][ T1170]  ? copy_msghdr_from_user (net/socket.c:2635)
[   47.123183][ T1170]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   47.123349][ T1170]  ? move_addr_to_kernel (net/socket.c:258)
[   47.123483][ T1170]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.123620][ T1170]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   47.123832][ T1170]  ___sys_sendmsg (net/socket.c:2752)
[   47.123966][ T1170]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   47.124100][ T1170]  ? copy_msghdr_from_user (net/socket.c:2603)
[   47.124244][ T1170]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   47.124382][ T1170]  ? 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))
[   47.124519][ T1170]  __sys_sendmsg (net/socket.c:2784)
[   47.124742][ T1170]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   47.124881][ T1170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.125015][ T1170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.125155][ T1170]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.125289][ T1170]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   47.125422][ T1170]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   47.125561][ T1170]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.125803][ T1170] RIP: 0033:0x7f5942e5408e
[   47.125944][ T1170] 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
[   47.126427][ T1170] RSP: 002b:00007ffe4fe894f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.126634][ T1170] RAX: ffffffffffffffda RBX: 00007ffe4fe89c88 RCX: 00007f5942e5408e
[   47.126899][ T1170] RDX: 0000000000000000 RSI: 00007ffe4fe895a0 RDI: 0000000000000005
[   47.127100][ T1170] RBP: 00007ffe4fe89500 R08: 0000000000000000 R09: 0000000000000000
[   47.127305][ T1170] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d859
[   47.127509][ T1170] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe4fe89c60
| [   47.142989][ T1170] ------------[ cut here ]------------
| [   47.143133][ T1170] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1170
| [   47.143400][ T1170] Modules linked in: xfrm_user nf_tables
| [   47.143838][ T1170] Tainted: [W]=WARN
[   47.143938][ T1170] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.144103][ T1170] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.144281][ T1170] 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
[   47.144755][ T1170] RSP: 0018:ffa00000017d71b0 EFLAGS: 00010286
[   47.144920][ T1170] RAX: 00000000ffffffa6 RBX: ff1100000d68f1c0 RCX: 1ff40000002fadfc
[   47.145116][ T1170] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68f27c
[   47.145318][ T1170] RBP: ff1100000fc94000 R08: 1fe2200001ad1e51 R09: ff1100000de90b80
[   47.145517][ T1170] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   47.145716][ T1170] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   47.145913][ T1170] FS:  00007f5942c1a840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   47.146148][ T1170] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.146313][ T1170] CR2: 00000000004eb188 CR3: 0000000010b4b004 CR4: 0000000000771ef0
[   47.146514][ T1170] PKRU: 55555554
[   47.146613][ T1170] Call Trace:
[   47.146715][ T1170]  <TASK>
[   47.146784][ T1170]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   47.146917][ T1170]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   47.147018][ T1170]  __dev_notify_flags (net/core/dev.c:9787)
[   47.147157][ T1170]  ? netif_change_name (net/core/dev.c:1495)
[   47.147290][ T1170]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   47.147424][ T1170]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   47.147563][ T1170]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   47.147700][ T1170]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   47.147834][ T1170]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   47.147966][ T1170]  ? __dev_get_by_name (net/core/dev.c:883)
[   47.148096][ T1170]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   47.148240][ T1170]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   47.148378][ T1170]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   47.148515][ T1170]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.148646][ T1170]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.148782][ T1170]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.148914][ T1170]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   47.149045][ T1170]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.149186][ T1170]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.149321][ T1170]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.149454][ T1170]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   47.149591][ T1170]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.149727][ T1170]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.149860][ T1170]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.149996][ T1170]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.150128][ T1170]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.150267][ T1170]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   47.150401][ T1170]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.150536][ T1170]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.150679][ T1170]  ? 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))
[   47.150811][ T1170]  ? 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))
[   47.150944][ T1170]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.151077][ T1170]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.151216][ T1170]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.151349][ T1170]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   47.151483][ T1170]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   47.151620][ T1170]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.151760][ T1170]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   47.151892][ T1170]  ? copy_msghdr_from_user (net/socket.c:2635)
[   47.152023][ T1170]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   47.152190][ T1170]  ? move_addr_to_kernel (net/socket.c:258)
[   47.152324][ T1170]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.152456][ T1170]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   47.152594][ T1170]  ___sys_sendmsg (net/socket.c:2752)
[   47.152730][ T1170]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   47.152863][ T1170]  ? copy_msghdr_from_user (net/socket.c:2603)
[   47.153000][ T1170]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   47.153135][ T1170]  ? 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))
[   47.153276][ T1170]  __sys_sendmsg (net/socket.c:2784)
[   47.153411][ T1170]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   47.153550][ T1170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.153687][ T1170]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.153822][ T1170]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.153954][ T1170]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   47.154087][ T1170]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   47.154225][ T1170]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.154388][ T1170] RIP: 0033:0x7f5942e5408e
[   47.154532][ T1170] 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
[   47.155005][ T1170] RSP: 002b:00007ffe4fe894f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.155207][ T1170] RAX: ffffffffffffffda RBX: 00007ffe4fe89c88 RCX: 00007f5942e5408e
[   47.155405][ T1170] RDX: 0000000000000000 RSI: 00007ffe4fe895a0 RDI: 0000000000000005
[   47.155605][ T1170] RBP: 00007ffe4fe89500 R08: 0000000000000000 R09: 0000000000000000
[   47.155808][ T1170] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d859
[   47.156006][ T1170] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe4fe89c60
| [   47.265681][ T1174] ------------[ cut here ]------------
| [   47.265864][ T1174] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1174
| [   47.266169][ T1174] Modules linked in: xfrm_user nf_tables
| [   47.266675][ T1174] Tainted: [W]=WARN
[   47.266817][ T1174] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.267023][ T1174] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.267246][ T1174] 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
[   47.268306][ T1174] RSP: 0018:ffa0000001657020 EFLAGS: 00010286
[   47.268689][ T1174] RAX: 00000000ffffffa6 RBX: ff1100000d3f4580 RCX: 1ff40000002cadca
[   47.268943][ T1174] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3f463c
[   47.269187][ T1174] RBP: ff1100000fc94000 R08: 1fe2200001a7e8c9 R09: ff1100000fceae58
[   47.269427][ T1174] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   47.269684][ T1174] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   47.269930][ T1174] FS:  00007f1b30667840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   47.270209][ T1174] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.270417][ T1174] CR2: 000000002b080988 CR3: 000000000fbd4002 CR4: 0000000000771ef0
[   47.270677][ T1174] PKRU: 55555554
[   47.270821][ T1174] Call Trace:
[   47.270964][ T1174]  <TASK>
[   47.271078][ T1174]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   47.271268][ T1174]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   47.271416][ T1174]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   47.271600][ T1174]  __dev_notify_flags (net/core/dev.c:9787)
[   47.271792][ T1174]  ? netif_change_name (net/core/dev.c:1495)
[   47.271966][ T1174]  ? __dev_change_flags (net/core/dev.c:9752)
[   47.272142][ T1174]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   47.272325][ T1174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.272502][ T1174]  ? 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))
[   47.272701][ T1174]  netif_change_flags (net/core/dev.c:9820)
[   47.272880][ T1174]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   47.273056][ T1174]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   47.273246][ T1174]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   47.273425][ T1174]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   47.273643][ T1174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.273833][ T1174]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.274009][ T1174]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   47.274192][ T1174]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.274369][ T1174]  ? __kernel_text_address (kernel/extable.c:79)
[   47.274551][ T1174]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.274744][ T1174]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.274919][ T1174]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   47.275096][ T1174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.275280][ T1174]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   47.275455][ T1174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.275639][ T1174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.275829][ T1174]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   47.276007][ T1174]  ? __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)
[   47.276190][ T1174]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   47.276367][ T1174]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   47.276551][ T1174]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   47.276741][ T1174]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   47.276921][ T1174]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   47.277099][ T1174]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.277283][ T1174]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.277459][ T1174]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.277644][ T1174]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   47.277834][ T1174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.278012][ T1174]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.278190][ T1174]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.278367][ T1174]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.278549][ T1174]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.278736][ T1174]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.278915][ T1174]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   47.279092][ T1174]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.279275][ T1174]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.279451][ T1174]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.279636][ T1174]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.279823][ T1174]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.280001][ T1174]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   47.280183][ T1174]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.280360][ T1174]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.280545][ T1174]  ? 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))
[   47.280733][ T1174]  ? 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))
[   47.280912][ T1174]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.281089][ T1174]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.281274][ T1174]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.281451][ T1174]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   47.281636][ T1174]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   47.281827][ T1174]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.282005][ T1174]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   47.282192][ T1174]  ? copy_msghdr_from_user (net/socket.c:2635)
[   47.282367][ T1174]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   47.282582][ T1174]  ? move_addr_to_kernel (net/socket.c:258)
[   47.282772][ T1174]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.282947][ T1174]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.283127][ T1174]  ___sys_sendmsg (net/socket.c:2752)
[   47.283310][ T1174]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   47.283523][ T1174]  ? copy_msghdr_from_user (net/socket.c:2603)
[   47.283726][ T1174]  __sys_sendmsg (net/socket.c:2784)
[   47.283903][ T1174]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   47.284078][ T1174]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   47.284295][ T1174]  ? 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)
[   47.284475][ T1174]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.284671][ T1174]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.284847][ T1174]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   47.285023][ T1174]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   47.285210][ T1174]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.285419][ T1174] RIP: 0033:0x7f1b308a108e
[   47.285612][ T1174] 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
[   47.286125][ T1174] RSP: 002b:00007ffe133b4bd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.286375][ T1174] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1b308a108e
[   47.286621][ T1174] RDX: 0000000000000000 RSI: 00007ffe133b4c80 RDI: 0000000000000005
[   47.286870][ T1174] RBP: 00007ffe133b4be0 R08: 0000000000000000 R09: 0000000000000000
[   47.287109][ T1174] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d859
[   47.287352][ T1174] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe133b5340
| [   47.391811][ T1178] ------------[ cut here ]------------
| [   47.391958][ T1178] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1178
| [   47.392218][ T1178] Modules linked in: xfrm_user nf_tables
| [   47.392615][ T1178] Tainted: [W]=WARN
[   47.392719][ T1178] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.392882][ T1178] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.393047][ T1178] 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
[   47.393516][ T1178] RSP: 0018:ffa00000017d7020 EFLAGS: 00010286
[   47.393682][ T1178] RAX: 00000000ffffffa6 RBX: ff1100000e8f0900 RCX: 1ff40000002fadca
[   47.393871][ T1178] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e8f09bc
[   47.394060][ T1178] RBP: ff11000012b6c000 R08: 1fe2200001d1e139 R09: ff1100000fa72e58
[   47.394253][ T1178] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   47.394444][ T1178] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   47.394639][ T1178] FS:  00007f523413c840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   47.394869][ T1178] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.395029][ T1178] CR2: 0000000015a21988 CR3: 000000000f048005 CR4: 0000000000771ef0
[   47.395224][ T1178] PKRU: 55555554
[   47.395318][ T1178] Call Trace:
[   47.395413][ T1178]  <TASK>
[   47.395479][ T1178]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   47.395611][ T1178]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   47.395714][ T1178]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   47.395841][ T1178]  __dev_notify_flags (net/core/dev.c:9787)
[   47.395970][ T1178]  ? netif_change_name (net/core/dev.c:1495)
[   47.396098][ T1178]  ? __dev_change_flags (net/core/dev.c:9752)
[   47.396233][ T1178]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   47.396360][ T1178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.396488][ T1178]  ? 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))
[   47.396623][ T1178]  netif_change_flags (net/core/dev.c:9820)
[   47.396757][ T1178]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   47.396886][ T1178]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   47.397016][ T1178]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   47.397150][ T1178]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   47.397309][ T1178]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.397438][ T1178]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.397571][ T1178]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   47.397703][ T1178]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.397831][ T1178]  ? __kernel_text_address (kernel/extable.c:79)
[   47.397959][ T1178]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.398089][ T1178]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.398221][ T1178]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   47.398351][ T1178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.398479][ T1178]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   47.398608][ T1178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.398797][ T1178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.398926][ T1178]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   47.399055][ T1178]  ? __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)
[   47.399188][ T1178]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   47.399317][ T1178]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   47.399446][ T1178]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   47.399579][ T1178]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   47.399787][ T1178]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   47.399995][ T1178]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.400123][ T1178]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.400253][ T1178]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.400380][ T1178]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   47.400513][ T1178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.400642][ T1178]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.400856][ T1178]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.400985][ T1178]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.401114][ T1178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.401250][ T1178]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.401380][ T1178]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   47.401513][ T1178]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.401641][ T1178]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.401844][ T1178]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.401975][ T1178]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.402103][ T1178]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.402241][ T1178]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   47.402370][ T1178]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.402500][ T1178]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.402636][ T1178]  ? 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))
[   47.402828][ T1178]  ? 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))
[   47.402958][ T1178]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.403086][ T1178]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.403219][ T1178]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.403349][ T1178]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   47.403479][ T1178]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   47.403613][ T1178]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.403798][ T1178]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   47.403927][ T1178]  ? copy_msghdr_from_user (net/socket.c:2635)
[   47.404055][ T1178]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   47.404220][ T1178]  ? move_addr_to_kernel (net/socket.c:258)
[   47.404349][ T1178]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.404477][ T1178]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.404610][ T1178]  ___sys_sendmsg (net/socket.c:2752)
[   47.404792][ T1178]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   47.404951][ T1178]  ? copy_msghdr_from_user (net/socket.c:2603)
[   47.405091][ T1178]  __sys_sendmsg (net/socket.c:2784)
[   47.405223][ T1178]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   47.405351][ T1178]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   47.405518][ T1178]  ? 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)
[   47.405647][ T1178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.405830][ T1178]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.405960][ T1178]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   47.406090][ T1178]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   47.406220][ T1178]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.406379][ T1178] RIP: 0033:0x7f523437608e
[   47.406516][ T1178] 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
[   47.407031][ T1178] RSP: 002b:00007ffeb3aeb730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.407229][ T1178] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f523437608e
[   47.407417][ T1178] RDX: 0000000000000000 RSI: 00007ffeb3aeb7e0 RDI: 0000000000000005
[   47.407612][ T1178] RBP: 00007ffeb3aeb740 R08: 0000000000000000 R09: 0000000000000000
[   47.407818][ T1178] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d859
[   47.408010][ T1178] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb3aebea0
| [   47.410153][   T64] ------------[ cut here ]------------
| [   47.410284][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/64
| [   47.410517][   T64] Modules linked in: xfrm_user nf_tables
| [   47.410928][   T64] Tainted: [W]=WARN
[   47.411016][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.411169][   T64] Workqueue: events_unbound linkwatch_event
[   47.411320][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.411473][   T64] 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
[   47.411901][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   47.412049][   T64] RAX: 00000000ffffffa6 RBX: ff1100000e8f1540 RCX: 1ff400000008af02
[   47.412235][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e8f15fc
[   47.412411][   T64] RBP: ff11000012b6c000 R08: 1fe2200001d1e2c1 R09: ff11000006100ba8
[   47.412588][   T64] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   47.412781][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   47.412956][   T64] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   47.413166][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.413313][   T64] CR2: 00007f4cd72fcf98 CR3: 000000004994d006 CR4: 0000000000771ef0
[   47.413489][   T64] PKRU: 55555554
[   47.413579][   T64] Call Trace:
[   47.413673][   T64]  <TASK>
[   47.413734][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   47.413851][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   47.413969][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   47.414062][   T64]  netif_state_change (net/core/dev.c:1605)
[   47.414186][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   47.414332][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   47.414448][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   47.414568][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.414693][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   47.414811][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   47.414929][   T64]  process_one_work (kernel/workqueue.c:3314)
[   47.415050][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   47.415170][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.415291][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   47.415410][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   47.415530][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   47.415648][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   47.415770][   T64]  kthread (kernel/kthread.c:436)
[   47.415858][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   47.416004][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   47.416119][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   47.416246][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   47.416390][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   47.416511][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   47.416628][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   47.418369][   T64] ------------[ cut here ]------------
| [   47.418486][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/64
| [   47.418725][   T64] Modules linked in: xfrm_user nf_tables
| [   47.419110][   T64] Tainted: [W]=WARN
[   47.419202][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.419348][   T64] Workqueue: events_unbound linkwatch_event
[   47.419498][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.419660][   T64] 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
[   47.420087][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   47.420241][   T64] RAX: 00000000ffffffa6 RBX: ff110000101b6580 RCX: 1ff400000008af02
[   47.420416][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b663c
[   47.420593][   T64] RBP: ff1100000fc94000 R08: 1fe2200002036cc9 R09: ff11000006100ba8
[   47.420782][   T64] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   47.420957][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   47.421135][   T64] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   47.421347][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.421494][   T64] CR2: 00007f4cd72fcf98 CR3: 000000004994d006 CR4: 0000000000771ef0
[   47.421679][   T64] PKRU: 55555554
[   47.421769][   T64] Call Trace:
[   47.421858][   T64]  <TASK>
[   47.421919][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   47.422037][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   47.422157][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   47.422247][   T64]  netif_state_change (net/core/dev.c:1605)
[   47.422365][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   47.422514][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   47.422630][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   47.422754][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.422873][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   47.422991][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   47.423109][   T64]  process_one_work (kernel/workqueue.c:3314)
[   47.423234][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   47.423349][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.423469][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   47.423591][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   47.423712][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   47.423831][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   47.423947][   T64]  kthread (kernel/kthread.c:436)
[   47.424036][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   47.424184][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   47.424300][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   47.424417][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   47.424566][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   47.424687][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   47.424803][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   47.604694][ T1186] ------------[ cut here ]------------
| [   47.604849][ T1186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1186
| [   47.605116][ T1186] Modules linked in: xfrm_user nf_tables
| [   47.605534][ T1186] Tainted: [W]=WARN
[   47.605635][ T1186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.606257][ T1186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.606433][ T1186] 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
[   47.606916][ T1186] RSP: 0018:ffa0000001836e30 EFLAGS: 00010286
[   47.607086][ T1186] RAX: 00000000ffffffa6 RBX: ff11000009aeda80 RCX: 1ff4000000306d8c
[   47.607290][ T1186] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009aedb3c
[   47.607490][ T1186] RBP: ff1100000cf51000 R08: 1fe220000135db69 R09: ff110000100dae80
[   47.607697][ T1186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   47.607898][ T1186] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001087c080
[   47.608100][ T1186] FS:  00007f01cbc05840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   47.608338][ T1186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.608511][ T1186] CR2: 00000000004eb188 CR3: 000000000fe08006 CR4: 0000000000771ef0
[   47.608721][ T1186] PKRU: 55555554
[   47.608822][ T1186] Call Trace:
[   47.608920][ T1186]  <TASK>
[   47.608989][ T1186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   47.609124][ T1186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   47.609232][ T1186]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   47.609397][ T1186]  __dev_notify_flags (net/core/dev.c:9787)
[   47.609535][ T1186]  ? netif_change_name (net/core/dev.c:1495)
[   47.609675][ T1186]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   47.609808][ T1186]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   47.609940][ T1186]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   47.610076][ T1186]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   47.610221][ T1186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.610355][ T1186]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   47.610491][ T1186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   47.610630][ T1186]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   47.610769][ T1186]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   47.610905][ T1186]  veth_newlink (drivers/net/veth.c:1871)
[   47.611040][ T1186]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   47.611179][ T1186]  ? kasan_save_stack (mm/kasan/common.c:57)
[   47.611312][ T1186]  ? kasan_save_track (mm/kasan/common.c:78)
[   47.611447][ T1186]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   47.611597][ T1186]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   47.611733][ T1186]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   47.611867][ T1186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   47.611999][ T1186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   47.612134][ T1186]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   47.612274][ T1186]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   47.612409][ T1186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   47.612546][ T1186]  ? __dev_get_by_name (net/core/dev.c:883)
[   47.612684][ T1186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   47.612825][ T1186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   47.612963][ T1186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   47.613099][ T1186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.613237][ T1186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.613370][ T1186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.613507][ T1186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   47.613639][ T1186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.613782][ T1186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.613917][ T1186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.614051][ T1186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   47.614190][ T1186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.614323][ T1186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.614455][ T1186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.614597][ T1186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.614732][ T1186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.614866][ T1186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   47.614999][ T1186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.615133][ T1186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.615277][ T1186]  ? 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))
[   47.615409][ T1186]  ? 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))
[   47.615549][ T1186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.615690][ T1186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.615824][ T1186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.615959][ T1186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   47.616093][ T1186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   47.616234][ T1186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.616368][ T1186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   47.616503][ T1186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   47.616639][ T1186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   47.616809][ T1186]  ? move_addr_to_kernel (net/socket.c:258)
[   47.616944][ T1186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.617078][ T1186]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   47.617216][ T1186]  ___sys_sendmsg (net/socket.c:2752)
[   47.617348][ T1186]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   47.617483][ T1186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   47.617624][ T1186]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   47.617768][ T1186]  ? 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))
[   47.617904][ T1186]  __sys_sendmsg (net/socket.c:2784)
[   47.618038][ T1186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   47.618179][ T1186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.618313][ T1186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.618446][ T1186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.618581][ T1186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   47.618721][ T1186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   47.618856][ T1186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.619023][ T1186] RIP: 0033:0x7f01cbe3f08e
[   47.619170][ T1186] 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
[   47.619648][ T1186] RSP: 002b:00007ffd48289eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.619870][ T1186] RAX: ffffffffffffffda RBX: 00007ffd4828a648 RCX: 00007f01cbe3f08e
[   47.620069][ T1186] RDX: 0000000000000000 RSI: 00007ffd48289f60 RDI: 0000000000000005
[   47.620275][ T1186] RBP: 00007ffd48289ec0 R08: 0000000000000000 R09: 0000000000000000
[   47.620474][ T1186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d859
[   47.620684][ T1186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4828a620
| [   47.628480][ T1186] ------------[ cut here ]------------
| [   47.628625][ T1186] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1186
| [   47.629401][ T1186] Modules linked in: xfrm_user nf_tables
| [   47.629866][ T1186] Tainted: [W]=WARN
[   47.629966][ T1186] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.630191][ T1186] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.630363][ T1186] 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
[   47.630893][ T1186] RSP: 0018:ffa00000018371b0 EFLAGS: 00010286
[   47.631061][ T1186] RAX: 00000000ffffffa6 RBX: ff1100000cfbd700 RCX: 1ff4000000306dfc
[   47.631260][ T1186] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cfbd7bc
[   47.631456][ T1186] RBP: ff1100000cf54000 R08: 1fe22000019f7af9 R09: ff110000100dae80
[   47.631715][ T1186] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   47.631913][ T1186] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   47.632109][ T1186] FS:  00007f01cbc05840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   47.632346][ T1186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.632513][ T1186] CR2: 00000000004eb188 CR3: 000000000fe08006 CR4: 0000000000771ef0
[   47.632767][ T1186] PKRU: 55555554
[   47.632867][ T1186] Call Trace:
[   47.632966][ T1186]  <TASK>
[   47.633034][ T1186]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   47.633173][ T1186]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   47.633273][ T1186]  __dev_notify_flags (net/core/dev.c:9787)
[   47.633406][ T1186]  ? netif_change_name (net/core/dev.c:1495)
[   47.633544][ T1186]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   47.633733][ T1186]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   47.633869][ T1186]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   47.634004][ T1186]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   47.634138][ T1186]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   47.634274][ T1186]  ? __dev_get_by_name (net/core/dev.c:883)
[   47.634406][ T1186]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   47.634548][ T1186]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   47.634740][ T1186]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   47.634874][ T1186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.635006][ T1186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.635138][ T1186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.635276][ T1186]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   47.635406][ T1186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.635545][ T1186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.635735][ T1186]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.635869][ T1186]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   47.636002][ T1186]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.636133][ T1186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.636271][ T1186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.636403][ T1186]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.636537][ T1186]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.636728][ T1186]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   47.636860][ T1186]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.636992][ T1186]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.637129][ T1186]  ? 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))
[   47.637266][ T1186]  ? 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))
[   47.637399][ T1186]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.637537][ T1186]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.637724][ T1186]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.637857][ T1186]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   47.637991][ T1186]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   47.638124][ T1186]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.638262][ T1186]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   47.638394][ T1186]  ? copy_msghdr_from_user (net/socket.c:2635)
[   47.638530][ T1186]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   47.638749][ T1186]  ? move_addr_to_kernel (net/socket.c:258)
[   47.638883][ T1186]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.639015][ T1186]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   47.639152][ T1186]  ___sys_sendmsg (net/socket.c:2752)
[   47.639285][ T1186]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   47.639418][ T1186]  ? copy_msghdr_from_user (net/socket.c:2603)
[   47.639556][ T1186]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   47.639749][ T1186]  ? 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))
[   47.639882][ T1186]  __sys_sendmsg (net/socket.c:2784)
[   47.640013][ T1186]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   47.640151][ T1186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.640286][ T1186]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.640420][ T1186]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.640555][ T1186]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   47.640743][ T1186]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   47.640874][ T1186]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.641037][ T1186] RIP: 0033:0x7f01cbe3f08e
[   47.641181][ T1186] 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
[   47.641650][ T1186] RSP: 002b:00007ffd48289eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.641902][ T1186] RAX: ffffffffffffffda RBX: 00007ffd4828a648 RCX: 00007f01cbe3f08e
[   47.642097][ T1186] RDX: 0000000000000000 RSI: 00007ffd48289f60 RDI: 0000000000000005
[   47.642299][ T1186] RBP: 00007ffd48289ec0 R08: 0000000000000000 R09: 0000000000000000
[   47.642495][ T1186] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d859
[   47.642749][ T1186] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4828a620
| [   47.743478][ T1190] ------------[ cut here ]------------
| [   47.743627][ T1190] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1190
| [   47.743887][ T1190] Modules linked in: xfrm_user nf_tables
| [   47.744283][ T1190] Tainted: [W]=WARN
[   47.744379][ T1190] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.744542][ T1190] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.744716][ T1190] 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
[   47.745173][ T1190] RSP: 0018:ffa00000018d7020 EFLAGS: 00010286
[   47.745333][ T1190] RAX: 00000000ffffffa6 RBX: ff1100000dda8ac0 RCX: 1ff400000031adca
[   47.745530][ T1190] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda8b7c
[   47.745726][ T1190] RBP: ff1100000cf54000 R08: 1fe2200001bb5171 R09: ff11000009c5d158
[   47.745916][ T1190] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   47.746107][ T1190] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   47.746304][ T1190] FS:  00007f21ba6cf840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   47.746535][ T1190] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.746699][ T1190] CR2: 000000000c270988 CR3: 000000000f104001 CR4: 0000000000771ef0
[   47.746891][ T1190] PKRU: 55555554
[   47.746985][ T1190] Call Trace:
[   47.747079][ T1190]  <TASK>
[   47.747150][ T1190]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   47.747280][ T1190]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   47.747378][ T1190]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   47.747511][ T1190]  __dev_notify_flags (net/core/dev.c:9787)
[   47.747640][ T1190]  ? netif_change_name (net/core/dev.c:1495)
[   47.747772][ T1190]  ? __dev_change_flags (net/core/dev.c:9752)
[   47.747899][ T1190]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   47.748025][ T1190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.748157][ T1190]  ? 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))
[   47.748290][ T1190]  netif_change_flags (net/core/dev.c:9820)
[   47.748417][ T1190]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   47.748547][ T1190]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   47.748684][ T1190]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   47.748814][ T1190]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   47.748973][ T1190]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.749102][ T1190]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.749235][ T1190]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   47.749360][ T1190]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.749490][ T1190]  ? __kernel_text_address (kernel/extable.c:79)
[   47.749622][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.749757][ T1190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.749884][ T1190]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   47.750012][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.750141][ T1190]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   47.750272][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.750398][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.750530][ T1190]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   47.750664][ T1190]  ? __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)
[   47.750792][ T1190]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   47.750920][ T1190]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   47.751049][ T1190]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   47.751186][ T1190]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   47.751315][ T1190]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   47.751444][ T1190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.751574][ T1190]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.751704][ T1190]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.751832][ T1190]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   47.751958][ T1190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.752087][ T1190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.752222][ T1190]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.752351][ T1190]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.752478][ T1190]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.752608][ T1190]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.752740][ T1190]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   47.752869][ T1190]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.752997][ T1190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.753124][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.753257][ T1190]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.753385][ T1190]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.753516][ T1190]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   47.753644][ T1190]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.753777][ T1190]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.753912][ T1190]  ? 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))
[   47.754040][ T1190]  ? 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))
[   47.754176][ T1190]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.754306][ T1190]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.754434][ T1190]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.754566][ T1190]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   47.754698][ T1190]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   47.754827][ T1190]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.754958][ T1190]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   47.755086][ T1190]  ? copy_msghdr_from_user (net/socket.c:2635)
[   47.755220][ T1190]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   47.755378][ T1190]  ? move_addr_to_kernel (net/socket.c:258)
[   47.755510][ T1190]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.755638][ T1190]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.755771][ T1190]  ___sys_sendmsg (net/socket.c:2752)
[   47.755898][ T1190]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   47.756057][ T1190]  ? copy_msghdr_from_user (net/socket.c:2603)
[   47.756201][ T1190]  __sys_sendmsg (net/socket.c:2784)
[   47.756329][ T1190]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   47.756456][ T1190]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   47.756622][ T1190]  ? 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)
[   47.756755][ T1190]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.756884][ T1190]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.757012][ T1190]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   47.757140][ T1190]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   47.757272][ T1190]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.757431][ T1190] RIP: 0033:0x7f21ba90908e
[   47.757569][ T1190] 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
[   47.758030][ T1190] RSP: 002b:00007ffc941cdcb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.758230][ T1190] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f21ba90908e
[   47.758422][ T1190] RDX: 0000000000000000 RSI: 00007ffc941cdd60 RDI: 0000000000000005
[   47.758618][ T1190] RBP: 00007ffc941cdcc0 R08: 0000000000000000 R09: 0000000000000000
[   47.758815][ T1190] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d85a
[   47.759005][ T1190] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc941ce420
| [   47.863776][ T1194] ------------[ cut here ]------------
| [   47.863961][ T1194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1194
| [   47.864274][ T1194] Modules linked in: xfrm_user nf_tables
| [   47.864781][ T1194] Tainted: [W]=WARN
[   47.864926][ T1194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.865135][ T1194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.865369][ T1194] 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
[   47.865891][ T1194] RSP: 0018:ffa0000001837020 EFLAGS: 00010286
[   47.866101][ T1194] RAX: 00000000ffffffa6 RBX: ff1100001246e3c0 RCX: 1ff4000000306dca
[   47.866374][ T1194] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e47c
[   47.866620][ T1194] RBP: ff1100000cf51000 R08: 1fe220000248dc91 R09: ff1100000f988b58
[   47.866930][ T1194] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   47.867233][ T1194] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   47.867541][ T1194] FS:  00007f6e72adb840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   47.867882][ T1194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.868154][ T1194] CR2: 00000000400b0988 CR3: 000000000b790005 CR4: 0000000000771ef0
[   47.868452][ T1194] PKRU: 55555554
[   47.868671][ T1194] Call Trace:
[   47.868868][ T1194]  <TASK>
[   47.869046][ T1194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   47.869327][ T1194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   47.869573][ T1194]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   47.869820][ T1194]  __dev_notify_flags (net/core/dev.c:9787)
[   47.869998][ T1194]  ? netif_change_name (net/core/dev.c:1495)
[   47.870182][ T1194]  ? __dev_change_flags (net/core/dev.c:9752)
[   47.870361][ T1194]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   47.870545][ T1194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.870736][ T1194]  ? 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))
[   47.870915][ T1194]  netif_change_flags (net/core/dev.c:9820)
[   47.871093][ T1194]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   47.871280][ T1194]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   47.871462][ T1194]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   47.871648][ T1194]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   47.871870][ T1194]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   47.872045][ T1194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.872226][ T1194]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   47.872402][ T1194]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.872585][ T1194]  ? __kernel_text_address (kernel/extable.c:79)
[   47.872772][ T1194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.872950][ T1194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.873128][ T1194]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   47.873316][ T1194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.873494][ T1194]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   47.873690][ T1194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.873870][ T1194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.874047][ T1194]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   47.874234][ T1194]  ? __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)
[   47.874409][ T1194]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   47.874595][ T1194]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   47.874786][ T1194]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   47.874965][ T1194]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   47.875143][ T1194]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   47.875333][ T1194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.875508][ T1194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.875701][ T1194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.875876][ T1194]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   47.876051][ T1194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.876237][ T1194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.876412][ T1194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.876600][ T1194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.876791][ T1194]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   47.876969][ T1194]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   47.877153][ T1194]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   47.877329][ T1194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.877505][ T1194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.877697][ T1194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.877876][ T1194]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.878054][ T1194]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   47.878240][ T1194]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   47.878415][ T1194]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   47.878599][ T1194]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   47.878792][ T1194]  ? 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))
[   47.878967][ T1194]  ? 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))
[   47.879152][ T1194]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   47.879330][ T1194]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.879511][ T1194]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   47.879704][ T1194]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   47.879882][ T1194]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   47.880060][ T1194]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   47.880246][ T1194]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   47.880422][ T1194]  ? copy_msghdr_from_user (net/socket.c:2635)
[   47.880607][ T1194]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   47.880828][ T1194]  ? move_addr_to_kernel (net/socket.c:258)
[   47.881006][ T1194]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   47.881190][ T1194]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   47.881368][ T1194]  ___sys_sendmsg (net/socket.c:2752)
[   47.881548][ T1194]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   47.881766][ T1194]  ? copy_msghdr_from_user (net/socket.c:2603)
[   47.881955][ T1194]  __sys_sendmsg (net/socket.c:2784)
[   47.882135][ T1194]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   47.882318][ T1194]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   47.882531][ T1194]  ? 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)
[   47.882722][ T1194]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   47.882901][ T1194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   47.883077][ T1194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   47.883256][ T1194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   47.883433][ T1194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   47.883648][ T1194] RIP: 0033:0x7f6e72d1508e
[   47.883843][ T1194] 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
[   47.884351][ T1194] RSP: 002b:00007ffed9adb470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   47.884603][ T1194] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6e72d1508e
[   47.884856][ T1194] RDX: 0000000000000000 RSI: 00007ffed9adb520 RDI: 0000000000000005
[   47.885093][ T1194] RBP: 00007ffed9adb480 R08: 0000000000000000 R09: 0000000000000000
[   47.885343][ T1194] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d85a
[   47.885592][ T1194] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed9adbbe0
| [   47.893380][   T96] ------------[ cut here ]------------
| [   47.893517][   T96] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/96
| [   47.893773][   T96] Modules linked in: xfrm_user nf_tables
| [   47.894171][   T96] Tainted: [W]=WARN
[   47.894261][   T96] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.894411][   T96] Workqueue: events_unbound linkwatch_event
[   47.894569][   T96] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.894728][   T96] 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
[   47.895156][   T96] RSP: 0018:ffa00000005079e0 EFLAGS: 00010286
[   47.895307][   T96] RAX: 00000000ffffffa6 RBX: ff1100000bbeb380 RCX: 1ff40000000a0f02
[   47.895482][   T96] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbeb43c
[   47.895675][   T96] RBP: ff1100000cf51000 R08: 1fe220000177d689 R09: ff1100000abad1a8
[   47.895852][   T96] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   47.896029][   T96] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   47.896212][   T96] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   47.896418][   T96] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.896568][   T96] CR2: 00007f4cd72fcf98 CR3: 000000004994d001 CR4: 0000000000771ef0
[   47.896751][   T96] PKRU: 55555554
[   47.896840][   T96] Call Trace:
[   47.896928][   T96]  <TASK>
[   47.896990][   T96]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   47.897109][   T96]  ? notifier_call_chain (kernel/notifier.c:85)
[   47.897237][   T96]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   47.897328][   T96]  netif_state_change (net/core/dev.c:1605)
[   47.897446][   T96]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   47.897599][   T96]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   47.897724][   T96]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   47.897847][   T96]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.897967][   T96]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   47.898085][   T96]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   47.898210][   T96]  process_one_work (kernel/workqueue.c:3314)
[   47.898333][   T96]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   47.898450][   T96]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.898576][   T96]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   47.898699][   T96]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   47.898817][   T96]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   47.898938][   T96]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   47.899054][   T96]  kthread (kernel/kthread.c:436)
[   47.899143][   T96]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   47.899294][   T96]  ? kthread_affine_node (kernel/kthread.c:378)
[   47.899413][   T96]  ret_from_fork (arch/x86/kernel/process.c:158)
[   47.899537][   T96]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   47.899689][   T96]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   47.899807][   T96]  ? kthread_affine_node (kernel/kthread.c:378)
[   47.899925][   T96]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   47.901851][   T96] ------------[ cut here ]------------
| [   47.901971][   T96] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/96
| [   47.902206][   T96] Modules linked in: xfrm_user nf_tables
| [   47.902599][   T96] Tainted: [W]=WARN
[   47.902695][   T96] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   47.902841][   T96] Workqueue: events_unbound linkwatch_event
[   47.902991][   T96] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   47.903143][   T96] 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
[   47.903745][   T96] RSP: 0018:ffa00000005079e0 EFLAGS: 00010286
[   47.903894][   T96] RAX: 00000000ffffffa6 RBX: ff1100000bbebe00 RCX: 1ff40000000a0f02
[   47.904072][   T96] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbebebc
[   47.904330][   T96] RBP: ff1100000cf54000 R08: 1fe220000177d7d9 R09: ff1100000abad1a8
[   47.904509][   T96] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   47.904689][   T96] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   47.904866][   T96] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   47.905074][   T96] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   47.905232][   T96] CR2: 00007f4cd72fcf98 CR3: 000000004994d001 CR4: 0000000000771ef0
[   47.905414][   T96] PKRU: 55555554
[   47.905503][   T96] Call Trace:
[   47.905594][   T96]  <TASK>
[   47.905662][   T96]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   47.905857][   T96]  ? notifier_call_chain (kernel/notifier.c:85)
[   47.905975][   T96]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   47.906066][   T96]  netif_state_change (net/core/dev.c:1605)
[   47.906192][   T96]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   47.906341][   T96]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   47.906459][   T96]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   47.906581][   T96]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   47.906706][   T96]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   47.906824][   T96]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   47.906943][   T96]  process_one_work (kernel/workqueue.c:3314)
[   47.907066][   T96]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   47.907189][   T96]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   47.907312][   T96]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   47.907430][   T96]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   47.907557][   T96]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   47.907683][   T96]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   47.907873][   T96]  kthread (kernel/kthread.c:436)
[   47.907962][   T96]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   47.908109][   T96]  ? kthread_affine_node (kernel/kthread.c:378)
[   47.908231][   T96]  ret_from_fork (arch/x86/kernel/process.c:158)
[   47.908422][   T96]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   47.908571][   T96]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   47.908696][   T96]  ? kthread_affine_node (kernel/kthread.c:378)
[   47.908812][   T96]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.410356][   T12] ------------[ cut here ]------------
| [   53.410521][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.410773][   T12] Modules linked in: xfrm_user nf_tables
| [   53.411173][   T12] Tainted: [W]=WARN
[   53.411262][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.411410][   T12] Workqueue: netns cleanup_net
[   53.411536][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.411696][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.412122][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.412275][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fee4ac0 RCX: 1ff4000000018eed
[   53.412452][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fee4b7c
[   53.412627][   T12] RBP: ff110000052d9000 R08: 1fe2200001fdc971 R09: ff11000001aed1d0
[   53.412805][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   53.412978][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.413153][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   53.413361][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.413511][   T12] CR2: 00007f4cd715d0a0 CR3: 000000004994d003 CR4: 0000000000771ef0
[   53.413693][   T12] PKRU: 55555554
[   53.413781][   T12] Call Trace:
[   53.413869][   T12]  <TASK>
[   53.413931][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.414080][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.414230][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.414349][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.414469][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.414590][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.414713][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.414831][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.414954][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.415068][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.415190][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.415308][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.415430][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.415552][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.415674][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.415795][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.415915][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.416031][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.416150][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.416278][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.416394][   T12]  kthread (kernel/kthread.c:436)
[   53.416483][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.416630][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.416751][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.416873][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.417018][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.417135][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.417259][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.419692][   T12] ------------[ cut here ]------------
| [   53.419818][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.420049][   T12] Modules linked in: xfrm_user nf_tables
| [   53.420438][   T12] Tainted: [W]=WARN
[   53.420530][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.420683][   T12] Workqueue: netns cleanup_net
[   53.420807][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.420968][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.421403][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.421557][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fee5c40 RCX: 1ff4000000018eed
[   53.421738][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fee5cfc
[   53.421911][   T12] RBP: ff11000007c99000 R08: 1fe2200001fdcba1 R09: ff11000001aed1d0
[   53.422091][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.422271][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.422443][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   53.422736][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.422894][   T12] CR2: 00007f35196d4000 CR3: 000000004994d006 CR4: 0000000000771ef0
[   53.423072][   T12] PKRU: 55555554
[   53.423163][   T12] Call Trace:
[   53.423323][   T12]  <TASK>
[   53.423384][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.423537][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.423690][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.423878][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.423997][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.424113][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.424235][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.424428][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.424552][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.424678][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.424798][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.424987][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.425103][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.425227][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.425344][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.425543][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.425668][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.425785][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.425907][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.426098][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.426221][   T12]  kthread (kernel/kthread.c:436)
[   53.426309][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.426461][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.426664][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.426781][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.426926][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.427043][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.427238][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.430481][   T12] ------------[ cut here ]------------
| [   53.430602][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.430840][   T12] Modules linked in: xfrm_user nf_tables
| [   53.431233][   T12] Tainted: [W]=WARN
[   53.431323][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.431469][   T12] Workqueue: netns cleanup_net
[   53.431595][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.431755][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.432172][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.432321][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d68f540 RCX: 1ff4000000018eed
[   53.432494][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68f5fc
[   53.432677][   T12] RBP: ff11000010291000 R08: 1fe2200001ad1ec1 R09: ff11000001aed1d0
[   53.432851][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.433024][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.433216][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   53.433420][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.433568][   T12] CR2: 00007f35196d4000 CR3: 000000004994d006 CR4: 0000000000771ef0
[   53.433749][   T12] PKRU: 55555554
[   53.433835][   T12] Call Trace:
[   53.433924][   T12]  <TASK>
[   53.433985][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.434135][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.434286][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.434402][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.434525][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.434642][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.434765][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.434884][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.435002][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.435118][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.435245][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.435363][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.435481][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.435601][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.435720][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.435838][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.435959][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.436081][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.436205][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.436327][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.436444][   T12]  kthread (kernel/kthread.c:436)
[   53.436536][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.436687][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.436809][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.436928][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.437075][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.437198][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.437314][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.439469][   T12] ------------[ cut here ]------------
| [   53.439593][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.440722][   T12] Modules linked in: xfrm_user nf_tables
| [   53.441114][   T12] Tainted: [W]=WARN
[   53.441208][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.441355][   T12] Workqueue: netns cleanup_net
[   53.441475][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.441630][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.442093][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.442247][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d68f8c0 RCX: 1ff4000000018eed
[   53.442419][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68f97c
[   53.442595][   T12] RBP: ff110000079cc000 R08: 1fe2200001ad1f31 R09: ff11000001aed1d0
[   53.442890][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.443063][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.443244][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   53.443445][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.443714][   T12] CR2: 00007f35196d4000 CR3: 000000004994d006 CR4: 0000000000771ef0
[   53.443888][   T12] PKRU: 55555554
[   53.443975][   T12] Call Trace:
[   53.444063][   T12]  <TASK>
[   53.444124][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.444279][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.444494][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.444619][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.444783][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.444899][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.445018][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.445137][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.445259][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.445445][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.445568][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.445731][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.445847][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.445964][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.446081][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.446274][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.446398][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.446515][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.446639][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.446875][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.446993][   T12]  kthread (kernel/kthread.c:436)
[   53.447081][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.447232][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.447353][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.447469][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.447617][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.447852][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.447969][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.450110][   T12] ------------[ cut here ]------------
| [   53.450243][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.450471][   T12] Modules linked in: xfrm_user nf_tables
| [   53.450866][   T12] Tainted: [W]=WARN
[   53.450958][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.451104][   T12] Workqueue: netns cleanup_net
[   53.451229][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.451381][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.451805][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.451952][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b884040 RCX: 1ff4000000018eed
[   53.452133][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8840fc
[   53.452316][   T12] RBP: ff1100000e81c000 R08: 1fe2200001710821 R09: ff11000001aed1d0
[   53.452491][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   53.452679][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.452855][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   53.453063][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.453215][   T12] CR2: 00007f4cd715d0a0 CR3: 000000004994d003 CR4: 0000000000771ef0
[   53.453390][   T12] PKRU: 55555554
[   53.453477][   T12] Call Trace:
[   53.453566][   T12]  <TASK>
[   53.453626][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.453778][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.453922][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.454039][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.454156][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.454279][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.454395][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.454514][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.454632][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.454752][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.454870][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.454989][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.455106][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.455229][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.455348][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.455464][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.455586][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.455711][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.455830][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.455950][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.456067][   T12]  kthread (kernel/kthread.c:436)
[   53.456154][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.456304][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.456424][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.456542][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.456691][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.456806][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.456923][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.471586][   T12] ------------[ cut here ]------------
| [   53.471729][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.471973][   T12] Modules linked in: xfrm_user nf_tables
| [   53.472382][   T12] Tainted: [W]=WARN
[   53.472519][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.472707][   T12] Workqueue: netns cleanup_net
[   53.472835][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.472992][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.473437][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.473597][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b884200 RCX: 1ff4000000018eaf
[   53.473790][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8842bc
[   53.473969][   T12] RBP: ff11000012b7c000 R08: 1fe2200001710859 R09: ff11000001aed1d0
[   53.474149][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   53.474341][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d274000
[   53.474527][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   53.474743][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.474895][   T12] CR2: 00007f4cd715d0a0 CR3: 000000004994d003 CR4: 0000000000771ef0
[   53.475078][   T12] PKRU: 55555554
[   53.475180][   T12] Call Trace:
[   53.475271][   T12]  <TASK>
[   53.475335][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.475457][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.475559][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.475688][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.475808][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.475928][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.476049][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.476174][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.476326][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.476477][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.476601][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.476754][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.476873][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.476994][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.477148][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.477278][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.477400][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.477527][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.477649][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.477776][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.477899][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.478020][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.478144][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.478285][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.478406][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.478532][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.478710][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.478834][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.478958][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.479080][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.479220][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.479347][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.479469][   T12]  kthread (kernel/kthread.c:436)
[   53.479564][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.479771][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.479893][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.480023][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.480177][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.480304][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.480425][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.483679][   T12] ------------[ cut here ]------------
| [   53.483808][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.484048][   T12] Modules linked in: xfrm_user nf_tables
| [   53.484461][   T12] Tainted: [W]=WARN
[   53.484557][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.484776][   T12] Workqueue: netns cleanup_net
[   53.484904][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.485061][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.485500][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.485707][   T12] RAX: 00000000ffffffa6 RBX: ff11000005084c80 RCX: 1ff4000000018eaf
[   53.485888][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005084d3c
[   53.486069][   T12] RBP: ff1100000d274000 R08: 1fe2200000a109a9 R09: ff11000001aed1d0
[   53.486258][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   53.486440][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e734000
[   53.486629][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   53.486895][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.487048][   T12] CR2: 00007f4cd715d0a0 CR3: 000000004994d003 CR4: 0000000000771ef0
[   53.487235][   T12] PKRU: 55555554
[   53.487326][   T12] Call Trace:
[   53.487416][   T12]  <TASK>
[   53.487480][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.487604][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.487775][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.487871][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.487993][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.488114][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.488255][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.488376][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.488499][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.488705][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.488859][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.488985][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.489137][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.489262][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.489383][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.489538][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.489717][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.489840][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.489965][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.490087][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.490216][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.490340][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.490460][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.490588][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.490777][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.490897][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.491022][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.491146][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.491273][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.491399][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.491524][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.491649][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.491826][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.491948][   T12]  kthread (kernel/kthread.c:436)
[   53.492039][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.492195][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.492317][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.492440][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.492597][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.492778][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.492901][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.495827][   T12] ------------[ cut here ]------------
| [   53.495962][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.496212][   T12] Modules linked in: xfrm_user nf_tables
| [   53.496627][   T12] Tainted: [W]=WARN
[   53.496727][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.496880][   T12] Workqueue: netns cleanup_net
[   53.497009][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.497173][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.497610][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.497774][   T12] RAX: 00000000ffffffa6 RBX: ff110000027df000 RCX: 1ff4000000018eaf
[   53.497962][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000027df0bc
[   53.498146][   T12] RBP: ff1100000e734000 R08: 1fe22000004fbe19 R09: ff11000001aed1d0
[   53.498335][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   53.498522][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   53.498720][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   53.498934][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.499089][   T12] CR2: 00007f5c1795d000 CR3: 000000001002b001 CR4: 0000000000771ef0
[   53.499292][   T12] PKRU: 55555554
[   53.499383][   T12] Call Trace:
[   53.499475][   T12]  <TASK>
[   53.499544][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.499675][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.499799][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.499894][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.500019][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.500147][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.500281][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.500404][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.500532][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.500692][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.500847][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.500973][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.501125][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.501254][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.501376][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.501533][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.501664][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.501789][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.501913][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.502038][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.502168][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.502293][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.502414][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.502543][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.502671][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.502797][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.502921][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.503044][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.503172][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.503300][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.503423][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.503551][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.503686][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.503811][   T12]  kthread (kernel/kthread.c:436)
[   53.503905][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.504058][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.504188][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.504315][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.504471][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.504597][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.504725][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.506897][   T12] ------------[ cut here ]------------
| [   53.507020][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   53.507257][   T12] Modules linked in: xfrm_user nf_tables
| [   53.508108][   T12] Tainted: [W]=WARN
[   53.508204][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.508351][   T12] Workqueue: netns cleanup_net
[   53.508474][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.508690][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.509114][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.509270][   T12] RAX: 00000000ffffffa6 RBX: ff110000027dfe00 RCX: 1ff4000000018ed5
[   53.509446][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000027dfebc
[   53.509626][   T12] RBP: ff11000012b7c000 R08: 1fe22000004fbfd9 R09: ff11000001aed1d0
[   53.509851][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   53.510027][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.510209][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   53.510415][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.510568][   T12] CR2: 00007f5c1795d000 CR3: 000000004994d004 CR4: 0000000000771ef0
[   53.510794][   T12] PKRU: 55555554
[   53.510882][   T12] Call Trace:
[   53.510975][   T12]  <TASK>
[   53.511036][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.511194][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.511341][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.511461][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.511583][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.511782][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.511903][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.512023][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.512141][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.512263][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.512384][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.512501][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.512624][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.512792][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.512910][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.513031][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.513149][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.513273][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.513398][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.513519][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.513642][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.513813][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.513932][   T12]  kthread (kernel/kthread.c:436)
[   53.514021][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.514172][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.514293][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.514412][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.514567][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.514734][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.514853][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.517808][   T12] ------------[ cut here ]------------
| [   53.517935][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.518173][   T12] Modules linked in: xfrm_user nf_tables
| [   53.518573][   T12] Tainted: [W]=WARN
[   53.518669][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.518819][   T12] Workqueue: netns cleanup_net
[   53.518944][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.519099][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.519531][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.519692][   T12] RAX: 00000000ffffffa6 RBX: ff1100000df90200 RCX: 1ff4000000018ed5
[   53.519873][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df902bc
[   53.520055][   T12] RBP: ff1100000d274000 R08: 1fe2200001bf2059 R09: ff11000001aed1d0
[   53.520235][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.520410][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.520590][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   53.520805][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.520953][   T12] CR2: 00007ffe3bb9f718 CR3: 000000001002b006 CR4: 0000000000771ef0
[   53.521134][   T12] PKRU: 55555554
[   53.521225][   T12] Call Trace:
[   53.521323][   T12]  <TASK>
[   53.521385][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.521540][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.521692][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.521811][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.521930][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.522082][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.522206][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.522325][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.522444][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.522567][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.522696][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.522813][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.522934][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.523053][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.523173][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.523293][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.523411][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.523534][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.523662][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.523779][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.523902][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.524025][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.524144][   T12]  kthread (kernel/kthread.c:436)
[   53.524239][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.524388][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.524515][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.524634][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.524787][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.524906][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.525026][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.527725][   T12] ------------[ cut here ]------------
| [   53.527848][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.528082][   T12] Modules linked in: xfrm_user nf_tables
| [   53.528477][   T12] Tainted: [W]=WARN
[   53.528570][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.528723][   T12] Workqueue: netns cleanup_net
[   53.528845][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.528999][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.529432][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.529585][   T12] RAX: 00000000ffffffa6 RBX: ff1100000df91380 RCX: 1ff4000000018ed5
[   53.529767][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df9143c
[   53.529953][   T12] RBP: ff1100000e734000 R08: 1fe2200001bf2289 R09: ff11000001aed1d0
[   53.530128][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.530310][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.530488][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   53.530704][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.530852][   T12] CR2: 00007ffe3bb9f718 CR3: 000000001002b006 CR4: 0000000000771ef0
[   53.531033][   T12] PKRU: 55555554
[   53.531126][   T12] Call Trace:
[   53.531221][   T12]  <TASK>
[   53.531283][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.531434][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.531587][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.531711][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.531830][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.531982][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.532103][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.532234][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.532352][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.532473][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.532596][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.532719][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.532840][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.532960][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.533077][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.533201][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.533318][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.533440][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.533567][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.533690][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.533814][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.533937][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.534055][   T12]  kthread (kernel/kthread.c:436)
[   53.534144][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.534300][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.534419][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.534543][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.534695][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.534816][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.534935][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.625755][   T12] ------------[ cut here ]------------
| [   53.625890][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.626121][   T12] Modules linked in: xfrm_user nf_tables
| [   53.626518][   T12] Tainted: [W]=WARN
[   53.626607][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.626763][   T12] Workqueue: netns cleanup_net
[   53.626885][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.627038][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.627468][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.627619][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fee5540 RCX: 1ff4000000018eed
[   53.627808][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fee55fc
[   53.627984][   T12] RBP: ff1100000fbac000 R08: 1fe2200001fdcac1 R09: ff11000001aed1d0
[   53.628165][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.628341][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.628526][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   53.628739][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.628885][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d001 CR4: 0000000000771ef0
[   53.629061][   T12] PKRU: 55555554
[   53.629149][   T12] Call Trace:
[   53.629242][   T12]  <TASK>
[   53.629303][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.629453][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.629606][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.629729][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.629848][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.629965][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.630083][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.630207][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.630326][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.630444][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.630566][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.630688][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.630803][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.630922][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.631042][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.631166][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.631288][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.631404][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.631533][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.631660][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.631777][   T12]  kthread (kernel/kthread.c:436)
[   53.631865][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.632009][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.632126][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.632253][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.632398][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.632516][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.632633][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.634801][   T12] ------------[ cut here ]------------
| [   53.634920][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.635153][   T12] Modules linked in: xfrm_user nf_tables
| [   53.635544][   T12] Tainted: [W]=WARN
[   53.635632][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.635782][   T12] Workqueue: netns cleanup_net
[   53.635903][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.636056][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.636474][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.636623][   T12] RAX: 00000000ffffffa6 RBX: ff11000012120200 RCX: 1ff4000000018eed
[   53.636803][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121202bc
[   53.636974][   T12] RBP: ff1100000a339000 R08: 1fe2200002424059 R09: ff11000001aed1d0
[   53.637152][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.637339][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.637515][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   53.637725][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.637872][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d001 CR4: 0000000000771ef0
[   53.638051][   T12] PKRU: 55555554
[   53.638137][   T12] Call Trace:
[   53.638229][   T12]  <TASK>
[   53.638290][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.638441][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.638589][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.638712][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.638831][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.638945][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.639062][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.639190][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.639307][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.639423][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.639544][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.639672][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.639788][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.639909][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.640024][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.640141][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.640269][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.640386][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.640510][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.640633][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.640753][   T12]  kthread (kernel/kthread.c:436)
[   53.640840][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.640987][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.641103][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.641225][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.641369][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.641488][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.641606][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.643747][   T12] ------------[ cut here ]------------
| [   53.643865][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.644089][   T12] Modules linked in: xfrm_user nf_tables
| [   53.644476][   T12] Tainted: [W]=WARN
[   53.644566][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.644868][   T12] Workqueue: netns cleanup_net
[   53.644989][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.645148][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.645568][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.645765][   T12] RAX: 00000000ffffffa6 RBX: ff1100001243e900 RCX: 1ff4000000018eed
[   53.645938][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243e9bc
[   53.646108][   T12] RBP: ff1100000f079000 R08: 1fe2200002487d39 R09: ff11000001aed1d0
[   53.646285][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.646459][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.646642][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   53.646895][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.647084][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d001 CR4: 0000000000771ef0
[   53.647264][   T12] PKRU: 55555554
[   53.647350][   T12] Call Trace:
[   53.647436][   T12]  <TASK>
[   53.647496][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.647696][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.647839][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.647955][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.648071][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.648192][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.648311][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.648428][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.648550][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.648713][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.648831][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.648947][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.649061][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.649190][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.649310][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.649427][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.649557][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.649719][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.649844][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.649964][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.650079][   T12]  kthread (kernel/kthread.c:436)
[   53.650172][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.650316][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.650432][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.650553][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.650743][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.650866][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.650983][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.653076][   T12] ------------[ cut here ]------------
| [   53.653210][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.653439][   T12] Modules linked in: xfrm_user nf_tables
| [   53.653841][   T12] Tainted: [W]=WARN
[   53.653929][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.654075][   T12] Workqueue: netns cleanup_net
[   53.654203][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.654356][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.654783][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.655025][   T12] RAX: 00000000ffffffa6 RBX: ff1100001243f540 RCX: 1ff4000000018eed
[   53.655207][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243f5fc
[   53.655382][   T12] RBP: ff11000005379000 R08: 1fe2200002487ec1 R09: ff11000001aed1d0
[   53.655558][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   53.655748][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.655922][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   53.656124][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.656278][   T12] CR2: 000055d401a13e28 CR3: 000000004994d004 CR4: 0000000000771ef0
[   53.656468][   T12] PKRU: 55555554
[   53.656559][   T12] Call Trace:
[   53.656645][   T12]  <TASK>
[   53.656715][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.656863][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.657011][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.657126][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.657247][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.657361][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.657481][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.657599][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.657721][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.657837][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.657955][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.658076][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.658197][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.658313][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.658429][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.658553][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.658678][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.658792][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.658912][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.659035][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.659150][   T12]  kthread (kernel/kthread.c:436)
[   53.659243][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.659386][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.659502][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.659624][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.659773][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.659888][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.660002][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.662387][   T12] ------------[ cut here ]------------
| [   53.662591][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.662845][   T12] Modules linked in: xfrm_user nf_tables
| [   53.663308][   T12] Tainted: [W]=WARN
[   53.663395][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.663545][   T12] Workqueue: netns cleanup_net
[   53.663732][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.663881][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.664376][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.664535][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda8c80 RCX: 1ff4000000018eed
[   53.664711][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda8d3c
[   53.664884][   T12] RBP: ff11000005b09000 R08: 1fe2200001bb51a9 R09: ff11000001aed1d0
[   53.665055][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   53.665235][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.665407][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   53.665612][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.665761][   T12] CR2: 000055d401a13e28 CR3: 000000004994d004 CR4: 0000000000771ef0
[   53.665933][   T12] PKRU: 55555554
[   53.666018][   T12] Call Trace:
[   53.666103][   T12]  <TASK>
[   53.666167][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.666316][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.666461][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.666582][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.666704][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.666824][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.666940][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.667061][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.667184][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.667301][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.667420][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.667540][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.667664][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.667780][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.667895][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.668011][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.668131][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.668253][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.668377][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.668498][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.668615][   T12]  kthread (kernel/kthread.c:436)
[   53.668708][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.668855][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.668971][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.669089][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.669237][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.669353][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.669469][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.681420][   T12] ------------[ cut here ]------------
| [   53.681560][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.681806][   T12] Modules linked in: xfrm_user nf_tables
| [   53.682219][   T12] Tainted: [W]=WARN
[   53.682312][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.682465][   T12] Workqueue: netns cleanup_net
[   53.682596][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.682763][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.683208][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.683360][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda98c0 RCX: 1ff4000000018eaf
[   53.683542][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda997c
[   53.683726][   T12] RBP: ff1100000e584000 R08: 1fe2200001bb5331 R09: ff11000001aed1d0
[   53.683907][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   53.684089][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009429000
[   53.684275][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   53.684487][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.684642][   T12] CR2: 000055d401a13e28 CR3: 000000004994d004 CR4: 0000000000771ef0
[   53.684882][   T12] PKRU: 55555554
[   53.684974][   T12] Call Trace:
[   53.685063][   T12]  <TASK>
[   53.685127][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.685256][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.685398][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.685524][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.685645][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.685819][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.685941][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.686064][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.686221][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.686374][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.686496][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.686702][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.686825][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.686948][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.687100][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.687230][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.687352][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.687475][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.687603][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.687776][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.687901][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.688022][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.688146][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.688275][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.688396][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.688525][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.688645][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.688821][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.688946][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.689068][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.689201][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.689327][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.689450][   T12]  kthread (kernel/kthread.c:436)
[   53.689544][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.689742][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.689866][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.689988][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.690140][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.690265][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.690387][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.698238][   T12] ------------[ cut here ]------------
| [   53.698381][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.698627][   T12] Modules linked in: xfrm_user nf_tables
| [   53.699044][   T12] Tainted: [W]=WARN
[   53.699140][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.699297][   T12] Workqueue: netns cleanup_net
[   53.699423][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.699588][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.700029][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.700194][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a91dc40 RCX: 1ff4000000018eaf
[   53.700378][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a91dcfc
[   53.700565][   T12] RBP: ff11000009429000 R08: 1fe2200001523ba1 R09: ff11000001aed1d0
[   53.700755][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   53.700937][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f01c000
[   53.701121][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   53.701339][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.701493][   T12] CR2: 00007ffe3bb9f718 CR3: 000000001002b006 CR4: 0000000000771ef0
[   53.701689][   T12] PKRU: 55555554
[   53.701780][   T12] Call Trace:
[   53.701871][   T12]  <TASK>
[   53.701935][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.702064][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.702192][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.702287][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.702407][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.702533][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.702662][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.702790][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.702913][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.703067][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.703225][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.703345][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.703497][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.703621][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.703748][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.703901][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.704026][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.704150][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.704278][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.704406][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.704532][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.704662][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.704785][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.704910][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.705033][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.705154][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.705288][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.705411][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.705538][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.705673][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.705796][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.705924][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.706051][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.706176][   T12]  kthread (kernel/kthread.c:436)
[   53.706268][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.706417][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.706544][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.706672][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.706825][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.706950][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.707073][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.709784][   T12] ------------[ cut here ]------------
| [   53.709912][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.710166][   T12] Modules linked in: xfrm_user nf_tables
| [   53.710574][   T12] Tainted: [W]=WARN
[   53.710673][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.710826][   T12] Workqueue: netns cleanup_net
[   53.710952][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.711110][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.711562][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.711751][   T12] RAX: 00000000ffffffa6 RBX: ff11000010b85380 RCX: 1ff4000000018eaf
[   53.711934][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010b8543c
[   53.712116][   T12] RBP: ff1100000f01c000 R08: 1fe2200002170a89 R09: ff11000001aed1d0
[   53.712302][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   53.712483][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   53.712677][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   53.712890][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.713042][   T12] CR2: 00007ffe3bb9f718 CR3: 000000001002b006 CR4: 0000000000771ef0
[   53.713228][   T12] PKRU: 55555554
[   53.713319][   T12] Call Trace:
[   53.713409][   T12]  <TASK>
[   53.713472][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.713598][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.713726][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.713819][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.713940][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.714060][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.714186][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.714308][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.714430][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.714588][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.714748][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.714871][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.715025][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.715147][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.715273][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.715424][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.715549][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.715677][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.715799][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.715921][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.716045][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.716173][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.716293][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.716417][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.716543][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.716667][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.716790][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.716911][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.717034][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.717159][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.717284][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.717410][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.717621][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.717747][   T12]  kthread (kernel/kthread.c:436)
[   53.717838][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.717988][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.718191][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.718313][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.718468][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.718595][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.718722][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.721018][   T12] ------------[ cut here ]------------
| [   53.721137][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.721373][   T12] Modules linked in: xfrm_user nf_tables
| [   53.722695][   T12] Tainted: [W]=WARN
[   53.722793][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.722942][   T12] Workqueue: netns cleanup_net
[   53.723064][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.723223][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.723646][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.723844][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d093000 RCX: 1ff4000000018ed5
[   53.724063][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0930bc
[   53.724253][   T12] RBP: ff1100000e584000 R08: 1fe2200001a12619 R09: ff11000001aed1d0
[   53.724428][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.724610][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.724835][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   53.725040][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.725192][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d001 CR4: 0000000000771ef0
[   53.725369][   T12] PKRU: 55555554
[   53.725499][   T12] Call Trace:
[   53.725590][   T12]  <TASK>
[   53.725697][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.725847][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.725996][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.726112][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.726232][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.726382][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.726508][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.726626][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.726792][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.726912][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.727031][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.727148][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.727276][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.727397][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.727518][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.727642][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.727877][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.727999][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.728120][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.728242][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.728365][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.728486][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.728725][   T12]  kthread (kernel/kthread.c:436)
[   53.728815][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.729039][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.729159][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.729284][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.729580][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.729814][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.729933][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.734920][   T12] ------------[ cut here ]------------
| [   53.735041][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.735276][   T12] Modules linked in: xfrm_user nf_tables
| [   53.735676][   T12] Tainted: [W]=WARN
[   53.735766][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.735914][   T12] Workqueue: netns cleanup_net
[   53.736035][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.736193][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.736624][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.736777][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d0938c0 RCX: 1ff4000000018ed5
[   53.736954][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d09397c
[   53.737131][   T12] RBP: ff11000009429000 R08: 1fe2200001a12731 R09: ff11000001aed1d0
[   53.737314][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.737491][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.737675][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   53.737879][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.738028][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d001 CR4: 0000000000771ef0
[   53.738210][   T12] PKRU: 55555554
[   53.738297][   T12] Call Trace:
[   53.738384][   T12]  <TASK>
[   53.738446][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.738598][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.738748][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.738871][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.738992][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.739145][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.739269][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.739386][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.739506][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.739625][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.739750][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.739866][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.739986][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.740104][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.740226][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.740345][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.740462][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.740584][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.740713][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.740830][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.740952][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.741074][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.741197][   T12]  kthread (kernel/kthread.c:436)
[   53.741286][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.741431][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.741556][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.741678][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.741824][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.741946][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.742063][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.744718][   T12] ------------[ cut here ]------------
| [   53.744845][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.745073][   T12] Modules linked in: xfrm_user nf_tables
| [   53.745467][   T12] Tainted: [W]=WARN
[   53.745560][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.746556][   T12] Workqueue: netns cleanup_net
[   53.746781][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.746936][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.747359][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.747510][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc8cac0 RCX: 1ff4000000018ed5
[   53.747788][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc8cb7c
[   53.748051][   T12] RBP: ff1100000f01c000 R08: 1fe2200001f91971 R09: ff11000001aed1d0
[   53.748230][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.748405][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.748586][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   53.748840][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.748988][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d001 CR4: 0000000000771ef0
[   53.749168][   T12] PKRU: 55555554
[   53.749257][   T12] Call Trace:
[   53.749344][   T12]  <TASK>
[   53.749405][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.749560][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.749753][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.749875][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.749991][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.750145][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.750273][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.750392][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.750513][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.750632][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.750794][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.750910][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.751031][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.751149][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.751270][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.751388][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.751508][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.751628][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.751753][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.751870][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.751991][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.752115][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.752237][   T12]  kthread (kernel/kthread.c:436)
[   53.752324][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.752471][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.752594][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.752717][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.752862][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.752979][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.753101][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.812069][   T12] ------------[ cut here ]------------
| [   53.812206][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.812439][   T12] Modules linked in: xfrm_user nf_tables
| [   53.812838][   T12] Tainted: [W]=WARN
[   53.812926][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.813070][   T12] Workqueue: netns cleanup_net
[   53.813196][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.813348][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.813769][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.813915][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc8d8c0 RCX: 1ff4000000018eed
[   53.814086][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc8d97c
[   53.814265][   T12] RBP: ff1100000ea31000 R08: 1fe2200001f91b31 R09: ff11000001aed1d0
[   53.814436][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.814613][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.814791][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   53.815000][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.815145][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d001 CR4: 0000000000771ef0
[   53.815329][   T12] PKRU: 55555554
[   53.815416][   T12] Call Trace:
[   53.815505][   T12]  <TASK>
[   53.815568][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.815722][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.815867][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.815984][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.816101][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.816223][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.816346][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.816463][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.816583][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.816708][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.816826][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.816941][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.817054][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.817175][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.817288][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.817403][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.817526][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.817640][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.817767][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.817886][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.818000][   T12]  kthread (kernel/kthread.c:436)
[   53.818088][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.818235][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.818350][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.818466][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.818612][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.818732][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.818851][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.820998][   T12] ------------[ cut here ]------------
| [   53.821113][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.821344][   T12] Modules linked in: xfrm_user nf_tables
| [   53.821732][   T12] Tainted: [W]=WARN
[   53.821820][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.821964][   T12] Workqueue: netns cleanup_net
[   53.822084][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.822237][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.822649][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.822800][   T12] RAX: 00000000ffffffa6 RBX: ff11000012121380 RCX: 1ff4000000018eed
[   53.822973][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001212143c
[   53.823145][   T12] RBP: ff110000121e4000 R08: 1fe2200002424289 R09: ff11000001aed1d0
[   53.823322][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.823493][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.823676][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   53.823878][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.824023][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d001 CR4: 0000000000771ef0
[   53.824202][   T12] PKRU: 55555554
[   53.824288][   T12] Call Trace:
[   53.824374][   T12]  <TASK>
[   53.824436][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.824587][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.824735][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.824851][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.824969][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.825084][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.825205][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.825323][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.825441][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.825558][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.825682][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.825799][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.825912][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.826029][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.826143][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.826271][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.826391][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.826512][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.826631][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.826752][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.826871][   T12]  kthread (kernel/kthread.c:436)
[   53.826958][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.827101][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.827223][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.827338][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.827481][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.827597][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.827717][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.836649][   T12] ------------[ cut here ]------------
| [   53.836784][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   53.837010][   T12] Modules linked in: xfrm_user nf_tables
| [   53.837398][   T12] Tainted: [W]=WARN
[   53.837485][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.837630][   T12] Workqueue: netns cleanup_net
[   53.837840][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.837991][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.838410][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.838560][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a9538c0 RCX: 1ff4000000018eed
[   53.838809][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a95397c
[   53.838985][   T12] RBP: ff11000010021000 R08: 1fe220000152a731 R09: ff11000001aed1d0
[   53.839155][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   53.839331][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.839505][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   53.839758][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.839949][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d001 CR4: 0000000000771ef0
[   53.840121][   T12] PKRU: 55555554
[   53.840213][   T12] Call Trace:
[   53.840298][   T12]  <TASK>
[   53.840358][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.840508][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.840703][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.840819][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.840935][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.841049][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.841169][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.841288][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.841406][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.841525][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.841644][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.841806][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.841926][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.842043][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.842165][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.842282][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.842401][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.842522][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.842646][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.842811][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.842926][   T12]  kthread (kernel/kthread.c:436)
[   53.843017][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.843168][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.843285][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.843401][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.843551][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.843715][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.843831][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.846645][   T12] ------------[ cut here ]------------
| [   53.846783][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.847014][   T12] Modules linked in: xfrm_user nf_tables
| [   53.847405][   T12] Tainted: [W]=WARN
[   53.847493][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.847642][   T12] Workqueue: netns cleanup_net
[   53.847770][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.847920][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.848357][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.848506][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b59c040 RCX: 1ff4000000018eed
[   53.848696][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b59c0fc
[   53.848866][   T12] RBP: ff11000009b71000 R08: 1fe22000016b3821 R09: ff11000001aed1d0
[   53.849038][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   53.849217][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.849389][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   53.849594][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.849745][   T12] CR2: 000055d401a1e498 CR3: 000000004994d004 CR4: 0000000000771ef0
[   53.849971][   T12] PKRU: 55555554
[   53.850075][   T12] Call Trace:
[   53.850168][   T12]  <TASK>
[   53.850235][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.850381][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.850529][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.850645][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.850798][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.850913][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.851030][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.851146][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.851271][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.851385][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.851506][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.851622][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.851745][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.851861][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.851976][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.852099][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.852226][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.852340][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.852459][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.852586][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.852707][   T12]  kthread (kernel/kthread.c:436)
[   53.852793][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.852934][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.853049][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.853168][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.853312][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.853427][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.853545][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.855631][   T12] ------------[ cut here ]------------
| [   53.855779][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.856004][   T12] Modules linked in: xfrm_user nf_tables
| [   53.856398][   T12] Tainted: [W]=WARN
[   53.856486][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.856639][   T12] Workqueue: netns cleanup_net
[   53.856767][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.856916][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.857340][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   53.857494][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda9540 RCX: 1ff4000000018eed
[   53.857679][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda95fc
[   53.857849][   T12] RBP: ff110000090b1000 R08: 1fe2200001bb52c1 R09: ff11000001aed1d0
[   53.858020][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   53.858200][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.858376][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   53.858604][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.858752][   T12] CR2: 000055d401a1e498 CR3: 000000004994d004 CR4: 0000000000771ef0
[   53.858926][   T12] PKRU: 55555554
[   53.859013][   T12] Call Trace:
[   53.859098][   T12]  <TASK>
[   53.859159][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.859311][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.859452][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   53.859570][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   53.859692][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.859806][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   53.859924][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.860040][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   53.860156][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.860276][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.860393][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.860513][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.860628][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.860751][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.860866][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.860983][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.861103][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.861222][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.861341][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.861459][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.861578][   T12]  kthread (kernel/kthread.c:436)
[   53.861672][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.861819][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.861934][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.862048][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.862195][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.862309][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.862424][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.879379][   T12] ------------[ cut here ]------------
| [   53.879572][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.879842][   T12] Modules linked in: xfrm_user nf_tables
| [   53.880252][   T12] Tainted: [W]=WARN
[   53.880343][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.880496][   T12] Workqueue: netns cleanup_net
[   53.880634][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.880802][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.881246][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.881399][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda8e40 RCX: 1ff4000000018eaf
[   53.881591][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda8efc
[   53.881836][   T12] RBP: ff11000012b61000 R08: 1fe2200001bb51e1 R09: ff11000001aed1d0
[   53.882017][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   53.882205][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f3a4000
[   53.882388][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   53.882605][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.882811][   T12] CR2: 000055d401a10d28 CR3: 000000004994d004 CR4: 0000000000771ef0
[   53.882996][   T12] PKRU: 55555554
[   53.883088][   T12] Call Trace:
[   53.883185][   T12]  <TASK>
[   53.883250][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.883374][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.883468][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.883595][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.883768][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.883893][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.884014][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.884137][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.884295][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.884450][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.884575][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.884777][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.884898][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.885019][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.885175][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.885301][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.885426][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.885553][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.885726][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.885850][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.885973][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.886094][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.886225][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.886349][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.886473][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.886600][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.886769][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.886894][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.887019][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.887141][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.887273][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.887401][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.887526][   T12]  kthread (kernel/kthread.c:436)
[   53.887617][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.887817][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.887940][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.888062][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.888221][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.888343][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.888465][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.892211][   T12] ------------[ cut here ]------------
| [   53.892397][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   53.892672][   T12] Modules linked in: xfrm_user nf_tables
| [   53.893077][   T12] Tainted: [W]=WARN
[   53.893176][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.893330][   T12] Workqueue: netns cleanup_net
[   53.893456][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.893621][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.894068][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.894229][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f3b5a80 RCX: 1ff4000000018eaf
[   53.894416][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f3b5b3c
[   53.894601][   T12] RBP: ff1100000f3a4000 R08: 1fe2200001e76b69 R09: ff11000001aed1d0
[   53.894850][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   53.895032][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f281000
[   53.895218][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   53.895429][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.895587][   T12] CR2: 000055d401a10d28 CR3: 000000004994d004 CR4: 0000000000771ef0
[   53.895850][   T12] PKRU: 55555554
[   53.895943][   T12] Call Trace:
[   53.896033][   T12]  <TASK>
[   53.896097][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.896285][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.896408][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.896503][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.896628][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.896812][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.896935][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.897056][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.897193][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.897346][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.897499][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.897625][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.897840][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.897963][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.898086][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.898244][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.898369][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.898493][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.898618][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.898791][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.898915][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.899038][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.899159][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.899288][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.899411][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.899535][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.899708][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.899829][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.899954][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.900081][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.900204][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.900340][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.900467][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.900592][   T12]  kthread (kernel/kthread.c:436)
[   53.900733][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.900887][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.901010][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.901133][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.901289][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.901410][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.901536][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.904589][   T12] ------------[ cut here ]------------
| [   53.904768][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   53.905055][   T12] Modules linked in: xfrm_user nf_tables
| [   53.905569][   T12] Tainted: [W]=WARN
[   53.905725][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.905927][   T12] Workqueue: netns cleanup_net
[   53.906114][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.906333][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.906847][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   53.907054][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e418200 RCX: 1ff4000000018eaf
[   53.907295][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4182bc
[   53.907528][   T12] RBP: ff1100000f281000 R08: 1fe2200001c83059 R09: ff11000001aed1d0
[   53.907783][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   53.908014][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   53.908261][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   53.908529][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.908744][   T12] CR2: 00007f1878fa655f CR3: 0000000012ad4002 CR4: 0000000000771ef0
[   53.908977][   T12] PKRU: 55555554
[   53.909116][   T12] Call Trace:
[   53.909262][   T12]  <TASK>
[   53.909374][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   53.909563][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   53.909752][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   53.909896][   T12]  netif_close_many (net/core/dev.c:1804)
[   53.910068][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.910246][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.910418][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.910601][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   53.910787][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   53.910995][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   53.911206][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.911380][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.911588][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.911772][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.911943][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.912147][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   53.912333][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.912510][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.912699][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.912872][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.913045][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.913228][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.913399][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.913586][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.913769][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.913968][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.914141][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.914321][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.914495][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.914701][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.914872][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.915051][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.915237][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.915412][   T12]  kthread (kernel/kthread.c:436)
[   53.915563][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.915780][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.915952][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.916125][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.916337][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.916511][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.916699][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.919291][   T12] ------------[ cut here ]------------
| [   53.919456][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   53.919760][   T12] Modules linked in: xfrm_user nf_tables
| [   53.920257][   T12] Tainted: [W]=WARN
[   53.920423][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.920625][   T12] Workqueue: netns cleanup_net
[   53.920809][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.921012][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.921496][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.921712][   T12] RAX: 00000000ffffffa6 RBX: ff110000120ee580 RCX: 1ff4000000018ed5
[   53.921937][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000120ee63c
[   53.922171][   T12] RBP: ff11000012b61000 R08: 1fe220000241dcc9 R09: ff11000001aed1d0
[   53.922399][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   53.922633][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.922873][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   53.923132][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.923340][   T12] CR2: 00007f1878fa655f CR3: 000000004994d006 CR4: 0000000000771ef0
[   53.923578][   T12] PKRU: 55555554
[   53.923731][   T12] Call Trace:
[   53.923874][   T12]  <TASK>
[   53.923982][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.924190][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.924387][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.924563][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.924744][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.924948][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.925118][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.925323][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.925494][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.925690][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.925860][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.926029][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.926207][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.926408][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.926580][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.926763][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.926933][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.927102][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.927288][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.927453][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.927628][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.927814][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.927987][   T12]  kthread (kernel/kthread.c:436)
[   53.928127][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.928357][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.928529][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.928712][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.928913][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.929084][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.929265][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.932214][   T12] ------------[ cut here ]------------
| [   53.932383][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   53.933431][   T12] Modules linked in: xfrm_user nf_tables
| [   53.934030][   T12] Tainted: [W]=WARN
[   53.934219][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.934464][   T12] Workqueue: netns cleanup_net
[   53.934707][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.934959][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.935480][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.935744][   T12] RAX: 00000000ffffffa6 RBX: ff110000120eee40 RCX: 1ff4000000018ed5
[   53.936011][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000120eeefc
[   53.936286][   T12] RBP: ff1100000f3a4000 R08: 1fe220000241dde1 R09: ff11000001aed1d0
[   53.936638][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   53.936921][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.937204][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   53.937584][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.937838][   T12] CR2: 00007f1878fa655f CR3: 000000004994d006 CR4: 0000000000771ef0
[   53.938111][   T12] PKRU: 55555554
[   53.938302][   T12] Call Trace:
[   53.938489][   T12]  <TASK>
[   53.938707][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.938954][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.939278][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.939572][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.939800][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.940046][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.940273][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.940504][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.940740][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.940979][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.941183][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.941348][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.941523][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.941705][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.941873][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.942043][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.942219][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.942391][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.942573][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.942755][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.942928][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.943103][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.943279][   T12]  kthread (kernel/kthread.c:436)
[   53.943418][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.943623][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.943805][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.943974][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.944175][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.944345][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.944518][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   53.949731][   T12] ------------[ cut here ]------------
| [   53.949899][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   53.950185][   T12] Modules linked in: xfrm_user nf_tables
| [   53.950698][   T12] Tainted: [W]=WARN
[   53.950834][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   53.951030][   T12] Workqueue: netns cleanup_net
[   53.951208][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   53.951407][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   53.951972][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   53.952229][   T12] RAX: 00000000ffffffa6 RBX: ff11000014d90040 RCX: 1ff4000000018ed5
[   53.952500][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d900fc
[   53.952819][   T12] RBP: ff1100000f281000 R08: 1fe22000029b2021 R09: ff11000001aed1d0
[   53.953180][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   53.953490][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   53.953779][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   53.954079][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.954330][   T12] CR2: 00007f1878fa655f CR3: 000000004994d006 CR4: 0000000000771ef0
[   53.954613][   T12] PKRU: 55555554
[   53.954807][   T12] Call Trace:
[   53.954987][   T12]  <TASK>
[   53.955142][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   53.955396][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   53.955645][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   53.955912][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   53.956124][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   53.956377][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   53.956601][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   53.956830][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   53.957044][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   53.957269][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   53.957486][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   53.957717][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   53.957936][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   53.958150][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   53.958369][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   53.958594][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   53.958821][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   53.959036][   T12]  process_one_work (kernel/workqueue.c:3314)
[   53.959260][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   53.959474][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   53.959696][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   53.959867][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   53.960036][   T12]  kthread (kernel/kthread.c:436)
[   53.960182][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   53.960378][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.960553][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   53.960733][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   53.960934][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   53.961102][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   53.961278][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.002939][   T12] ------------[ cut here ]------------
| [   54.003073][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   54.003310][   T12] Modules linked in: xfrm_user nf_tables
| [   54.003723][   T12] Tainted: [W]=WARN
[   54.003813][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.003959][   T12] Workqueue: netns cleanup_net
[   54.004079][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.004237][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.004676][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.004824][   T12] RAX: 00000000ffffffa6 RBX: ff11000014d90e40 RCX: 1ff4000000018eed
[   54.005004][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d90efc
[   54.005181][   T12] RBP: ff1100001249c000 R08: 1fe22000029b21e1 R09: ff11000001aed1d0
[   54.005353][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   54.005530][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.005714][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   54.005918][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.006063][   T12] CR2: 000055d401a0e3c8 CR3: 000000004994d005 CR4: 0000000000771ef0
[   54.006243][   T12] PKRU: 55555554
[   54.006331][   T12] Call Trace:
[   54.006416][   T12]  <TASK>
[   54.006479][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.006634][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.006788][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.006906][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.007029][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.007144][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.007266][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.007385][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.007508][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.007628][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.007752][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.007868][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.007986][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.008104][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.008224][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.008343][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.008464][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.008583][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.008710][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.008830][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.008946][   T12]  kthread (kernel/kthread.c:436)
[   54.009035][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.009184][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.009300][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.009417][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.009569][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.009739][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.009857][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.012144][   T12] ------------[ cut here ]------------
| [   54.012266][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   54.012495][   T12] Modules linked in: xfrm_user nf_tables
| [   54.012891][   T12] Tainted: [W]=WARN
[   54.012979][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.013124][   T12] Workqueue: netns cleanup_net
[   54.013250][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.013408][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.013830][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.013978][   T12] RAX: 00000000ffffffa6 RBX: ff11000014d91540 RCX: 1ff4000000018eed
[   54.014152][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d915fc
[   54.014332][   T12] RBP: ff1100000df64000 R08: 1fe22000029b22c1 R09: ff11000001aed1d0
[   54.014509][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   54.014687][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.014860][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   54.015064][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.015215][   T12] CR2: 000055d401a0e3c8 CR3: 000000004994d005 CR4: 0000000000771ef0
[   54.015390][   T12] PKRU: 55555554
[   54.015477][   T12] Call Trace:
[   54.015566][   T12]  <TASK>
[   54.015627][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.015781][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.015926][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.016047][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.016168][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.016284][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.016400][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.016521][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.016640][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.016762][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.016881][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.016998][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.017113][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.017233][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.017347][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.017465][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.017588][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.017712][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.017832][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.017956][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.018072][   T12]  kthread (kernel/kthread.c:436)
[   54.018160][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.018309][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.018425][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.018547][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.018698][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.018815][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.018932][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.021478][   T12] ------------[ cut here ]------------
| [   54.021614][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   54.022364][   T12] Modules linked in: xfrm_user nf_tables
| [   54.022811][   T12] Tainted: [W]=WARN
[   54.022900][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.023047][   T12] Workqueue: netns cleanup_net
[   54.023224][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.023376][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.023851][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.024002][   T12] RAX: 00000000ffffffa6 RBX: ff11000014d91c40 RCX: 1ff4000000018eed
[   54.024306][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d91cfc
[   54.024493][   T12] RBP: ff11000014c81000 R08: 1fe22000029b23a1 R09: ff11000001aed1d0
[   54.024730][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   54.024903][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.025079][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   54.025289][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.025435][   T12] CR2: 000055d401a0e3c8 CR3: 000000004994d005 CR4: 0000000000771ef0
[   54.025614][   T12] PKRU: 55555554
[   54.025747][   T12] Call Trace:
[   54.025833][   T12]  <TASK>
[   54.025894][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.026042][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.026189][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.026353][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.026472][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.026589][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.026752][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.026873][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.026992][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.027107][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.027231][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.027349][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.027465][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.027586][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.027751][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.027869][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.027989][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.028103][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.028230][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.028351][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.028471][   T12]  kthread (kernel/kthread.c:436)
[   54.028562][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.028754][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.028872][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.028988][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.029135][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.029257][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.029373][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.033270][   T12] ------------[ cut here ]------------
| [   54.033475][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   54.033736][   T12] Modules linked in: xfrm_user nf_tables
| [   54.034118][   T12] Tainted: [W]=WARN
[   54.034216][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.034360][   T12] Workqueue: netns cleanup_net
[   54.034481][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.034632][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.035050][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.035204][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b72da80 RCX: 1ff4000000018eed
[   54.035380][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72db3c
[   54.035562][   T12] RBP: ff1100000cce1000 R08: 1fe22000016e5b69 R09: ff11000001aed1d0
[   54.035738][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   54.035910][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.036082][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   54.036290][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.036434][   T12] CR2: 000055d401a0e3c8 CR3: 000000004994d005 CR4: 0000000000771ef0
[   54.036620][   T12] PKRU: 55555554
[   54.036711][   T12] Call Trace:
[   54.036796][   T12]  <TASK>
[   54.036856][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.037007][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.037149][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.037270][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.037385][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.037501][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.037617][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.037739][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.037857][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.037971][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.038088][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.038212][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.038331][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.038448][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.038567][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.038788][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.038908][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.039023][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.039142][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.039266][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.039383][   T12]  kthread (kernel/kthread.c:436)
[   54.039470][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.039617][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.039821][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.040023][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.040172][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.040287][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.040404][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.042939][   T12] ------------[ cut here ]------------
| [   54.043072][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   54.043315][   T12] Modules linked in: xfrm_user nf_tables
| [   54.043722][   T12] Tainted: [W]=WARN
[   54.043811][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.043961][   T12] Workqueue: netns cleanup_net
[   54.044085][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.044245][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.044671][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.044819][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b72ce40 RCX: 1ff4000000018eed
[   54.044995][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72cefc
[   54.045173][   T12] RBP: ff11000001df1000 R08: 1fe22000016e59e1 R09: ff11000001aed1d0
[   54.045345][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.045519][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.045701][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   54.045911][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.046058][   T12] CR2: 00007ffe3bb9fb28 CR3: 000000001002b006 CR4: 0000000000771ef0
[   54.046239][   T12] PKRU: 55555554
[   54.046327][   T12] Call Trace:
[   54.046415][   T12]  <TASK>
[   54.046476][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.046628][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.046798][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.046916][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.047035][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.047151][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.047273][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.047392][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.047517][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.047633][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.047760][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.047878][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.047996][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.048115][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.048233][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.048353][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.048474][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.048595][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.048723][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.048844][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.048961][   T12]  kthread (kernel/kthread.c:436)
[   54.049049][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.049209][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.049325][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.049444][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.049592][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.049715][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.049832][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.061741][   T12] ------------[ cut here ]------------
| [   54.061871][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   54.062112][   T12] Modules linked in: xfrm_user nf_tables
| [   54.062534][   T12] Tainted: [W]=WARN
[   54.062627][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.062788][   T12] Workqueue: netns cleanup_net
[   54.062917][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.063076][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.063528][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   54.063690][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b72de00 RCX: 1ff4000000018eaf
[   54.063874][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72debc
[   54.064058][   T12] RBP: ff1100000fc94000 R08: 1fe22000016e5bd9 R09: ff11000001aed1d0
[   54.064251][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   54.064434][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012b6c000
[   54.064621][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   54.064843][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.064998][   T12] CR2: 00007ffe3bb9fb28 CR3: 000000004994d003 CR4: 0000000000771ef0
[   54.065189][   T12] PKRU: 55555554
[   54.065283][   T12] Call Trace:
[   54.065375][   T12]  <TASK>
[   54.065440][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.065571][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.065670][   T12]  netif_close_many (net/core/dev.c:1804)
[   54.065799][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.065923][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.066046][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.066173][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   54.066297][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   54.066452][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   54.066610][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.066741][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.066894][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.067020][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.067142][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.067301][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   54.067426][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.067555][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.067685][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.067809][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.067935][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.068065][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.068194][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.068320][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.068445][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.068572][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.068702][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.068827][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.068951][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.069079][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.069204][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.069332][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.069459][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.069586][   T12]  kthread (kernel/kthread.c:436)
[   54.069685][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.069839][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.069962][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.070085][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.070244][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.070366][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.070490][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.073160][   T12] ------------[ cut here ]------------
| [   54.073290][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   54.073533][   T12] Modules linked in: xfrm_user nf_tables
| [   54.074398][   T12] Tainted: [W]=WARN
[   54.074492][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.074713][   T12] Workqueue: netns cleanup_net
[   54.074842][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.075001][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.075447][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   54.075603][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e8f0e40 RCX: 1ff4000000018eaf
[   54.075863][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e8f0efc
[   54.076048][   T12] RBP: ff11000012b6c000 R08: 1fe2200001d1e1e1 R09: ff11000001aed1d0
[   54.076289][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   54.076471][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005119000
[   54.076710][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   54.076926][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.077079][   T12] CR2: 00007ffe3bb9fb28 CR3: 000000004994d003 CR4: 0000000000771ef0
[   54.077267][   T12] PKRU: 55555554
[   54.077359][   T12] Call Trace:
[   54.077451][   T12]  <TASK>
[   54.077516][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.077639][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   54.077847][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.077941][   T12]  netif_close_many (net/core/dev.c:1804)
[   54.078065][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.078192][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.078313][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.078435][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   54.078562][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   54.078769][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   54.078923][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.079046][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.079203][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.079326][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.079447][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.079602][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   54.079801][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.079928][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.080053][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.080180][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.080305][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.080428][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.080554][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.080745][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.080868][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.080989][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.081113][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.081238][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.081361][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.081485][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.081608][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.081792][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.081920][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.082043][   T12]  kthread (kernel/kthread.c:436)
[   54.082137][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.082293][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.082420][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.082545][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.082766][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.082888][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.083016][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.085947][   T12] ------------[ cut here ]------------
| [   54.086082][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   54.086333][   T12] Modules linked in: xfrm_user nf_tables
| [   54.086752][   T12] Tainted: [W]=WARN
[   54.086844][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.086996][   T12] Workqueue: netns cleanup_net
[   54.087122][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.087287][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.087732][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   54.087885][   T12] RAX: 00000000ffffffa6 RBX: ff110000050d0580 RCX: 1ff4000000018eaf
[   54.088068][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000050d063c
[   54.088255][   T12] RBP: ff11000005119000 R08: 1fe2200000a1a0c9 R09: ff11000001aed1d0
[   54.088436][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   54.088622][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   54.088813][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   54.089026][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.089184][   T12] CR2: 00007ffe3bb9f718 CR3: 000000001002b004 CR4: 0000000000771ef0
[   54.089373][   T12] PKRU: 55555554
[   54.089468][   T12] Call Trace:
[   54.089563][   T12]  <TASK>
[   54.089627][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.089767][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   54.089894][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.089987][   T12]  netif_close_many (net/core/dev.c:1804)
[   54.090110][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.090234][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.090354][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.090476][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   54.090601][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   54.090759][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   54.090912][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.091035][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.091191][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.091312][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.091432][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.091593][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   54.091725][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.091850][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.091972][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.092096][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.092224][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.092347][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.092466][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.092594][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.092721][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.092842][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.092967][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.093088][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.093216][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.093341][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.093462][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.093592][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.093724][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.093844][   T12]  kthread (kernel/kthread.c:436)
[   54.093937][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.094088][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.094216][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.094337][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.094490][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.094614][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.094766][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.097800][   T12] ------------[ cut here ]------------
| [   54.097922][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   54.098158][   T12] Modules linked in: xfrm_user nf_tables
| [   54.098555][   T12] Tainted: [W]=WARN
[   54.098645][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.098798][   T12] Workqueue: netns cleanup_net
[   54.098919][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.099071][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.099508][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   54.099664][   T12] RAX: 00000000ffffffa6 RBX: ff110000050d1380 RCX: 1ff4000000018ed5
[   54.099838][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000050d143c
[   54.100013][   T12] RBP: ff1100000fc94000 R08: 1fe2200000a1a289 R09: ff11000001aed1d0
[   54.100196][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   54.100370][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.100550][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   54.100760][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.100907][   T12] CR2: 00007ffe3bb9f718 CR3: 000000001002b004 CR4: 0000000000771ef0
[   54.101084][   T12] PKRU: 55555554
[   54.101175][   T12] Call Trace:
[   54.101263][   T12]  <TASK>
[   54.101325][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.101475][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.101626][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.101749][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.101866][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.102019][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.102138][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.102261][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.102380][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.102502][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.102624][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.102747][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.102869][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.102987][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.103104][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.103228][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.103346][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.103466][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.103591][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.103714][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.103837][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.103960][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.104079][   T12]  kthread (kernel/kthread.c:436)
[   54.104173][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.104321][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.104439][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.104561][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.104714][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.104832][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.104951][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.107233][   T12] ------------[ cut here ]------------
| [   54.107350][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   54.107583][   T12] Modules linked in: xfrm_user nf_tables
| [   54.108770][   T12] Tainted: [W]=WARN
[   54.108861][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.109012][   T12] Workqueue: netns cleanup_net
[   54.109133][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.109291][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.109770][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   54.109918][   T12] RAX: 00000000ffffffa6 RBX: ff110000050d1c40 RCX: 1ff4000000018ed5
[   54.110093][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000050d1cfc
[   54.110274][   T12] RBP: ff11000012b6c000 R08: 1fe2200000a1a3a1 R09: ff11000001aed1d0
[   54.110448][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   54.110681][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.110857][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   54.111081][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.111232][   T12] CR2: 00007ffe3bb9f718 CR3: 000000001002b004 CR4: 0000000000771ef0
[   54.111410][   T12] PKRU: 55555554
[   54.111499][   T12] Call Trace:
[   54.111590][   T12]  <TASK>
[   54.111700][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.111850][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.111997][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.112116][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.112239][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.112395][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.112519][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.112639][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.112804][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.112924][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.113045][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.113164][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.113287][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.113406][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.113526][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.113646][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.113809][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.113927][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.114048][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.114174][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.114299][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.114420][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.114541][   T12]  kthread (kernel/kthread.c:436)
[   54.114631][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.114820][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.114940][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.115061][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.115214][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.115332][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.115455][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.118351][   T12] ------------[ cut here ]------------
| [   54.118483][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   54.118725][   T12] Modules linked in: xfrm_user nf_tables
| [   54.119118][   T12] Tainted: [W]=WARN
[   54.119213][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.119360][   T12] Workqueue: netns cleanup_net
[   54.119482][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.119636][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.120062][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   54.120216][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d606e40 RCX: 1ff4000000018ed5
[   54.120390][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d606efc
[   54.120568][   T12] RBP: ff11000005119000 R08: 1fe2200001ac0de1 R09: ff11000001aed1d0
[   54.120755][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   54.120935][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.121111][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   54.121319][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.121467][   T12] CR2: 000055d401a0e3c8 CR3: 000000004994d005 CR4: 0000000000771ef0
[   54.121645][   T12] PKRU: 55555554
[   54.121739][   T12] Call Trace:
[   54.121827][   T12]  <TASK>
[   54.121889][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.122038][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.122192][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.122310][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.122426][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.122575][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.122746][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.122866][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.122983][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.123150][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.123275][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.123391][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.123514][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.123632][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.123793][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.123911][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.124026][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.124144][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.124271][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.124391][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.124516][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.124637][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.124798][   T12]  kthread (kernel/kthread.c:436)
[   54.124886][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.125030][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.125148][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.125272][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.125417][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.125537][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.125660][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.215192][   T12] ------------[ cut here ]------------
| [   54.215341][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   54.215583][   T12] Modules linked in: xfrm_user nf_tables
| [   54.215983][   T12] Tainted: [W]=WARN
[   54.216074][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.216225][   T12] Workqueue: netns cleanup_net
[   54.216347][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.216501][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.216923][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.217118][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b884580 RCX: 1ff4000000018eed
[   54.217317][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b88463c
[   54.217490][   T12] RBP: ff1100000d4d9000 R08: 1fe22000017108c9 R09: ff11000001aed1d0
[   54.217740][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   54.217915][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.218088][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   54.218297][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.218442][   T12] CR2: 000055d401a0e3c8 CR3: 000000004994d005 CR4: 0000000000771ef0
[   54.218623][   T12] PKRU: 55555554
[   54.218760][   T12] Call Trace:
[   54.218847][   T12]  <TASK>
[   54.218908][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.219084][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.219231][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.219348][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.219471][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.219593][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.219717][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.219835][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.219953][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.220068][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.220194][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.220312][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.220426][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.220547][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.220664][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.220781][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.220900][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.221017][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.221137][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.221261][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.221377][   T12]  kthread (kernel/kthread.c:436)
[   54.221464][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.221611][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.221736][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.221856][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.221999][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.222115][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.222235][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.224603][   T12] ------------[ cut here ]------------
| [   54.224745][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   54.224980][   T12] Modules linked in: xfrm_user nf_tables
| [   54.225372][   T12] Tainted: [W]=WARN
[   54.225461][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.225612][   T12] Workqueue: netns cleanup_net
[   54.225743][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.225896][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.226327][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.226472][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b884c80 RCX: 1ff4000000018eed
[   54.226659][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b884d3c
[   54.226833][   T12] RBP: ff1100000f931000 R08: 1fe22000017109a9 R09: ff11000001aed1d0
[   54.227005][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.227186][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.227361][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   54.227569][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.227721][   T12] CR2: 000055d3d5b6c3a8 CR3: 000000004994d003 CR4: 0000000000771ef0
[   54.227900][   T12] PKRU: 55555554
[   54.227987][   T12] Call Trace:
[   54.228073][   T12]  <TASK>
[   54.228136][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.228291][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.228434][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.228556][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.228680][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.228800][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.228916][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.229036][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.229154][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.229275][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.229393][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.229512][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.229632][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.229754][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.229870][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.229990][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.230109][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.230234][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.230354][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.230475][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.230594][   T12]  kthread (kernel/kthread.c:436)
[   54.230688][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.230833][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.230950][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.231066][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.231217][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.231332][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.231448][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.233613][   T12] ------------[ cut here ]------------
| [   54.233742][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   54.233968][   T12] Modules linked in: xfrm_user nf_tables
| [   54.234357][   T12] Tainted: [W]=WARN
[   54.234449][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.234600][   T12] Workqueue: netns cleanup_net
[   54.234763][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.234917][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.235342][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.235491][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b72d540 RCX: 1ff4000000018eed
[   54.235674][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72d5fc
[   54.235848][   T12] RBP: ff110000087e9000 R08: 1fe22000016e5ac1 R09: ff11000001aed1d0
[   54.236022][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.236200][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.236377][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   54.236585][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.236739][   T12] CR2: 000055d3d5b6c3a8 CR3: 000000004994d003 CR4: 0000000000771ef0
[   54.236914][   T12] PKRU: 55555554
[   54.237003][   T12] Call Trace:
[   54.237094][   T12]  <TASK>
[   54.237155][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.237315][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.237463][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.237585][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.237707][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.237823][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.237945][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.238063][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.238188][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.238306][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.238426][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.238545][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.238664][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.238783][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.238904][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.239022][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.239144][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.239268][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.239390][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.239515][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.239630][   T12]  kthread (kernel/kthread.c:436)
[   54.239725][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.239871][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.239989][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.240108][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.240259][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.240376][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.240493][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.242470][   T12] ------------[ cut here ]------------
| [   54.242587][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   54.242818][   T12] Modules linked in: xfrm_user nf_tables
| [   54.243205][   T12] Tainted: [W]=WARN
[   54.243293][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.243437][   T12] Workqueue: netns cleanup_net
[   54.243559][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.243716][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.244129][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.244281][   T12] RAX: 00000000ffffffa6 RBX: ff1100001243e200 RCX: 1ff4000000018eed
[   54.244453][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243e2bc
[   54.244626][   T12] RBP: ff11000009bc9000 R08: 1fe2200002487c59 R09: ff11000001aed1d0
[   54.244806][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.244977][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.245150][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   54.245356][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.245503][   T12] CR2: 000055d3d5b6c3a8 CR3: 000000004994d003 CR4: 0000000000771ef0
[   54.245686][   T12] PKRU: 55555554
[   54.245772][   T12] Call Trace:
[   54.245857][   T12]  <TASK>
[   54.245917][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.246065][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.246215][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.246332][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.246448][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.246567][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.246689][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.246806][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.246925][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.247043][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.247170][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.247288][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.247402][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.247523][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.247643][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.247765][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.247885][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.248001][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.248123][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.248249][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.248366][   T12]  kthread (kernel/kthread.c:436)
[   54.248453][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.248600][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.248722][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.248838][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.248984][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.249099][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.249219][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.258786][   T12] ------------[ cut here ]------------
| [   54.258917][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   54.259147][   T12] Modules linked in: xfrm_user nf_tables
| [   54.259536][   T12] Tainted: [W]=WARN
[   54.259626][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.259780][   T12] Workqueue: netns cleanup_net
[   54.259900][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.260051][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.260470][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.260622][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b885700 RCX: 1ff4000000018eed
[   54.260847][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8857bc
[   54.261016][   T12] RBP: ff11000012b59000 R08: 1fe2200001710af9 R09: ff11000001aed1d0
[   54.261191][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   54.261372][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.261547][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   54.261752][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.261901][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d005 CR4: 0000000000771ef0
[   54.262078][   T12] PKRU: 55555554
[   54.262168][   T12] Call Trace:
[   54.262255][   T12]  <TASK>
[   54.262316][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.262467][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.262617][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.262740][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.262859][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.262973][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.263088][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.263217][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.263334][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.263447][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.263569][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.263689][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.263802][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.263995][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.264130][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.264254][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.264372][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.264486][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.264609][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.264740][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.264859][   T12]  kthread (kernel/kthread.c:436)
[   54.264948][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.265090][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.265209][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.265324][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.265467][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.265584][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.265709][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.278762][   T12] ------------[ cut here ]------------
| [   54.278896][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   54.279134][   T12] Modules linked in: xfrm_user nf_tables
| [   54.279541][   T12] Tainted: [W]=WARN
[   54.279632][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.279788][   T12] Workqueue: netns cleanup_net
[   54.279913][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.280071][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.280507][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   54.280664][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b885380 RCX: 1ff4000000018eaf
[   54.280844][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b88543c
[   54.281020][   T12] RBP: ff1100000cf54000 R08: 1fe2200001710a89 R09: ff11000001aed1d0
[   54.281203][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   54.281379][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cf51000
[   54.281570][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   54.281797][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.281946][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d005 CR4: 0000000000771ef0
[   54.282125][   T12] PKRU: 55555554
[   54.282219][   T12] Call Trace:
[   54.282308][   T12]  <TASK>
[   54.282370][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.282493][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.282588][   T12]  netif_close_many (net/core/dev.c:1804)
[   54.282715][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.282839][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.282957][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.283075][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   54.283200][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   54.283349][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   54.283500][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.283620][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.283773][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.283891][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.284014][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.284167][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   54.284289][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.284410][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.284532][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.284660][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.284789][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.284915][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.285032][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.285153][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.285279][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.285395][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.285517][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.285638][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.285765][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.285892][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.286010][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.286134][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.286263][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.286384][   T12]  kthread (kernel/kthread.c:436)
[   54.286474][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.286627][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.286750][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.286870][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.287017][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.287138][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.287262][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.290058][   T12] ------------[ cut here ]------------
| [   54.290235][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.290519][   T12] Modules linked in: xfrm_user nf_tables
| [   54.291019][   T12] Tainted: [W]=WARN
[   54.291190][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.291385][   T12] Workqueue: netns cleanup_net
[   54.291564][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.291789][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.292268][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   54.292463][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ab7fc40 RCX: 1ff4000000018eaf
[   54.292717][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab7fcfc
[   54.292946][   T12] RBP: ff1100000cf51000 R08: 1fe220000156ffa1 R09: ff11000001aed1d0
[   54.293178][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   54.293402][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012399000
[   54.293635][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   54.293907][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.294101][   T12] CR2: 00007f4cd72de680 CR3: 000000004994d001 CR4: 0000000000771ef0
[   54.294337][   T12] PKRU: 55555554
[   54.294472][   T12] Call Trace:
[   54.294612][   T12]  <TASK>
[   54.294733][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.294901][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   54.295068][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.295211][   T12]  netif_close_many (net/core/dev.c:1804)
[   54.295381][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.295550][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.295730][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.295896][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   54.296062][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   54.296267][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   54.296465][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.296665][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.296862][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.297026][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.297201][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.297400][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   54.297577][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.297758][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.297926][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.298092][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.298268][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.298436][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.298607][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.298787][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.298954][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.299120][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.299305][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.299498][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.299685][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.299855][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.300019][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.300198][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.300369][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.300541][   T12]  kthread (kernel/kthread.c:436)
[   54.300689][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.300882][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.301048][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.301223][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.301415][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.301588][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.301769][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.305031][   T12] ------------[ cut here ]------------
| [   54.305196][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.305480][   T12] Modules linked in: xfrm_user nf_tables
| [   54.305980][   T12] Tainted: [W]=WARN
[   54.306115][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.306323][   T12] Workqueue: netns cleanup_net
[   54.306526][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.306744][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.307220][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   54.307429][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cb391c0 RCX: 1ff4000000018eaf
[   54.307671][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb3927c
[   54.307893][   T12] RBP: ff11000012399000 R08: 1fe2200001967251 R09: ff11000001aed1d0
[   54.308115][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   54.308351][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   54.308583][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   54.308850][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.309044][   T12] CR2: 00007f4cd72de680 CR3: 000000004994d001 CR4: 0000000000771ef0
[   54.309279][   T12] PKRU: 55555554
[   54.309414][   T12] Call Trace:
[   54.309557][   T12]  <TASK>
[   54.309677][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.309843][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   54.310008][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.310145][   T12]  netif_close_many (net/core/dev.c:1804)
[   54.310318][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.310488][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.310673][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.310867][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   54.311034][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   54.311237][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   54.311433][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.311617][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.311854][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.312022][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.312192][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.312416][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   54.312594][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.312802][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.312972][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.313139][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.313315][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.313482][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.313666][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.313836][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.314003][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.314177][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.314345][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.314513][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.314695][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.314866][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.315058][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.315238][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.315413][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.315586][   T12]  kthread (kernel/kthread.c:436)
[   54.315731][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.315923][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.316116][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.316294][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.316491][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.316676][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.316841][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.319260][   T12] ------------[ cut here ]------------
| [   54.319420][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.320384][   T12] Modules linked in: xfrm_user nf_tables
| [   54.321332][   T12] Tainted: [W]=WARN
[   54.321516][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.321762][   T12] Workqueue: netns cleanup_net
[   54.321970][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.322216][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.322729][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   54.322959][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d5a8040 RCX: 1ff4000000018ed5
[   54.323222][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5a80fc
[   54.323480][   T12] RBP: ff1100000cf54000 R08: 1fe2200001ab5021 R09: ff11000001aed1d0
[   54.323754][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   54.324015][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.324282][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   54.324574][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.324820][   T12] CR2: 00007f4cd72de680 CR3: 000000004994d001 CR4: 0000000000771ef0
[   54.325080][   T12] PKRU: 55555554
[   54.325260][   T12] Call Trace:
[   54.325436][   T12]  <TASK>
[   54.325593][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.325926][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.326208][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.326367][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.326528][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.326732][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.326896][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.327056][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.327227][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.327391][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.327560][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.327728][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.327890][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.328050][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.328219][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.328383][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.328550][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.328724][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.328888][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.329048][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.329224][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.329391][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.329558][   T12]  kthread (kernel/kthread.c:436)
[   54.329700][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.329888][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.330047][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.330215][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.330405][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.330574][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.330747][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.333840][   T12] ------------[ cut here ]------------
| [   54.333999][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.334280][   T12] Modules linked in: xfrm_user nf_tables
| [   54.334818][   T12] Tainted: [W]=WARN
[   54.335089][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.335331][   T12] Workqueue: netns cleanup_net
[   54.335494][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.335709][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.336161][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   54.336433][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d5a8900 RCX: 1ff4000000018ed5
[   54.336668][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5a89bc
[   54.336892][   T12] RBP: ff1100000cf51000 R08: 1fe2200001ab5139 R09: ff11000001aed1d0
[   54.337108][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   54.337328][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.337552][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   54.337894][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.338087][   T12] CR2: 00007f4cd72de680 CR3: 000000004994d001 CR4: 0000000000771ef0
[   54.338312][   T12] PKRU: 55555554
[   54.338443][   T12] Call Trace:
[   54.338580][   T12]  <TASK>
[   54.338695][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.338889][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.339075][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.339248][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.339484][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.339693][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.339857][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.340018][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.340184][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.340350][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.340515][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.340776][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.340941][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.341104][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.341369][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.341537][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.341713][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.341876][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.342045][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.342210][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.342375][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.342619][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.342793][   T12]  kthread (kernel/kthread.c:436)
[   54.342926][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.343191][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.343429][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.343602][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.343807][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.343968][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.344133][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.349744][   T12] ------------[ cut here ]------------
| [   54.349906][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.350198][   T12] Modules linked in: xfrm_user nf_tables
| [   54.350818][   T12] Tainted: [W]=WARN
[   54.351046][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.351336][   T12] Workqueue: netns cleanup_net
[   54.351606][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.351932][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.352468][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   54.352735][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d5a9a80 RCX: 1ff4000000018ed5
[   54.353004][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5a9b3c
[   54.353278][   T12] RBP: ff11000012399000 R08: 1fe2200001ab5369 R09: ff11000001aed1d0
[   54.353601][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   54.353898][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.354177][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   54.354474][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.354728][   T12] CR2: 00007f4cd72de680 CR3: 000000004994d001 CR4: 0000000000771ef0
[   54.354997][   T12] PKRU: 55555554
[   54.355182][   T12] Call Trace:
[   54.355360][   T12]  <TASK>
[   54.355517][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.355778][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.356018][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.356233][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.356443][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   54.356707][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.356918][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.357128][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.357345][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.357562][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.357790][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.358000][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.358223][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.358438][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.358668][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.358879][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.359089][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.359311][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.359548][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.359812][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.360057][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.360345][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.360611][   T12]  kthread (kernel/kthread.c:436)
[   54.360783][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.360974][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.361139][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.361316][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.361512][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.361695][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.361863][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.414297][   T12] ------------[ cut here ]------------
| [   54.414467][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.414763][   T12] Modules linked in: xfrm_user nf_tables
| [   54.415286][   T12] Tainted: [W]=WARN
[   54.415420][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.415617][   T12] Workqueue: netns cleanup_net
[   54.415800][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.416004][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.416479][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.416692][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d68f380 RCX: 1ff4000000018eed
[   54.416917][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68f43c
[   54.417135][   T12] RBP: ff1100000e964000 R08: 1fe2200001ad1e89 R09: ff11000001aed1d0
[   54.417363][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   54.417618][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.417854][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   54.418103][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.418303][   T12] CR2: 00007ffe3bb9f718 CR3: 000000001002b005 CR4: 0000000000771ef0
[   54.418530][   T12] PKRU: 55555554
[   54.418708][   T12] Call Trace:
[   54.418845][   T12]  <TASK>
[   54.418952][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.419150][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.419352][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.419520][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.419703][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.419867][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.420038][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.420214][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.420381][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.420553][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.420734][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.420899][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.421060][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.421233][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.421400][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.421575][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.421757][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.421920][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.422117][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.422295][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.422457][   T12]  kthread (kernel/kthread.c:436)
[   54.422608][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.422815][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.422979][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.423144][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.423343][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.423510][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.423691][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.426338][   T12] ------------[ cut here ]------------
| [   54.426502][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.427134][   T12] Modules linked in: xfrm_user nf_tables
| [   54.427771][   T12] Tainted: [W]=WARN
[   54.427912][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.428101][   T12] Workqueue: netns cleanup_net
[   54.428278][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.428479][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.428951][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.429146][   T12] RAX: 00000000ffffffa6 RBX: ff1100001251a580 RCX: 1ff4000000018eed
[   54.429384][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001251a63c
[   54.429613][   T12] RBP: ff1100000f07c000 R08: 1fe22000024a34c9 R09: ff11000001aed1d0
[   54.429846][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   54.430066][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.430299][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   54.430557][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.430760][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d001 CR4: 0000000000771ef0
[   54.430982][   T12] PKRU: 55555554
[   54.431115][   T12] Call Trace:
[   54.431261][   T12]  <TASK>
[   54.431369][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.431581][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.431787][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.431954][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.432119][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.432290][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.432455][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.432631][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.432813][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.432975][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.433142][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.433317][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.433480][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.433665][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.433830][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.433996][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.434177][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.434341][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.434514][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.434702][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.434880][   T12]  kthread (kernel/kthread.c:436)
[   54.435017][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.435219][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.435388][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.435562][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.435770][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.435934][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.436100][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.438735][   T12] ------------[ cut here ]------------
| [   54.438900][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.439182][   T12] Modules linked in: xfrm_user nf_tables
| [   54.439911][   T12] Tainted: [W]=WARN
[   54.440123][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.440374][   T12] Workqueue: netns cleanup_net
[   54.440598][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.440886][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.441400][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.441652][   T12] RAX: 00000000ffffffa6 RBX: ff1100001251ac80 RCX: 1ff4000000018eed
[   54.441979][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001251ad3c
[   54.442253][   T12] RBP: ff1100000d121000 R08: 1fe22000024a35a9 R09: ff11000001aed1d0
[   54.442527][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   54.442804][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.443069][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   54.443373][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.443619][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d001 CR4: 0000000000771ef0
[   54.443896][   T12] PKRU: 55555554
[   54.444073][   T12] Call Trace:
[   54.444255][   T12]  <TASK>
[   54.444405][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.444679][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.444914][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.445122][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.445386][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.445748][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.445914][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.446081][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.446256][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.446422][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.446595][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.446773][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.446935][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.447101][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.447271][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.447438][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.447617][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.447790][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.447959][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.448127][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.448301][   T12]  kthread (kernel/kthread.c:436)
[   54.448437][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.448636][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.448817][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.448981][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.449180][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.449347][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.449515][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.451977][   T12] ------------[ cut here ]------------
| [   54.452134][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.452416][   T12] Modules linked in: xfrm_user nf_tables
| [   54.453386][   T12] Tainted: [W]=WARN
[   54.453583][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.453873][   T12] Workqueue: netns cleanup_net
[   54.454091][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.454345][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.454874][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.455112][   T12] RAX: 00000000ffffffa6 RBX: ff1100001251b000 RCX: 1ff4000000018eed
[   54.455384][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001251b0bc
[   54.455677][   T12] RBP: ff1100000c5b1000 R08: 1fe22000024a3619 R09: ff11000001aed1d0
[   54.455941][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   54.456211][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.456502][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   54.456818][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.457084][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d001 CR4: 0000000000771ef0
[   54.457361][   T12] PKRU: 55555554
[   54.457546][   T12] Call Trace:
[   54.457736][   T12]  <TASK>
[   54.457887][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.458128][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.458371][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.458582][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.458805][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.459011][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.459224][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.459438][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.459672][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.459878][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.460090][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.460310][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.460527][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.460748][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.460980][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.461242][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.461517][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.461789][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.462045][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.462307][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.462572][   T12]  kthread (kernel/kthread.c:436)
[   54.462814][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.463090][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.463289][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.463458][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.463671][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.463834][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.463999][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.466414][   T12] ------------[ cut here ]------------
| [   54.466580][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.466875][   T12] Modules linked in: xfrm_user nf_tables
| [   54.467358][   T12] Tainted: [W]=WARN
[   54.467492][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.467802][   T12] Workqueue: netns cleanup_net
[   54.468016][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.468270][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.468810][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   54.469055][   T12] RAX: 00000000ffffffa6 RBX: ff1100001251b380 RCX: 1ff4000000018eed
[   54.469332][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001251b43c
[   54.469604][   T12] RBP: ff1100000e679000 R08: 1fe22000024a3689 R09: ff11000001aed1d0
[   54.469882][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   54.470145][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.470419][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   54.470732][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.470971][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d001 CR4: 0000000000771ef0
[   54.471247][   T12] PKRU: 55555554
[   54.471423][   T12] Call Trace:
[   54.471609][   T12]  <TASK>
[   54.471777][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.472018][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.472260][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   54.472469][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   54.472700][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.472905][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   54.473114][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.473333][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   54.473554][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.473775][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.473990][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.474206][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.474414][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.474634][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.474863][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.475103][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.475366][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.475635][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.475907][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.476161][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.476412][   T12]  kthread (kernel/kthread.c:436)
[   54.476553][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.476758][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.476922][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.477085][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.477283][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.477446][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.477617][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.493490][   T12] ------------[ cut here ]------------
| [   54.493684][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.493979][   T12] Modules linked in: xfrm_user nf_tables
| [   54.494486][   T12] Tainted: [W]=WARN
[   54.494631][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.495314][   T12] Workqueue: netns cleanup_net
[   54.495556][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.495772][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.496269][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   54.496471][   T12] RAX: 00000000ffffffa6 RBX: ff1100001251b540 RCX: 1ff4000000018eaf
[   54.496719][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001251b5fc
[   54.496962][   T12] RBP: ff110000057f1000 R08: 1fe22000024a36c1 R09: ff11000001aed1d0
[   54.497200][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   54.497427][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   54.497680][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   54.497942][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.498141][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d001 CR4: 0000000000771ef0
[   54.498381][   T12] PKRU: 55555554
[   54.498522][   T12] Call Trace:
[   54.498675][   T12]  <TASK>
[   54.498784][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.498954][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.499128][   T12]  netif_close_many (net/core/dev.c:1804)
[   54.499304][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.499472][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.499647][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.499833][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   54.500005][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   54.500216][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   54.500433][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   54.500612][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   54.500823][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   54.500995][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.501207][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.501380][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.501559][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.501747][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.501917][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.502120][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.502303][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.502474][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.502665][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.502838][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.503012][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.503190][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.503360][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.503534][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.503722][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.503894][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.504068][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.504256][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.504425][   T12]  kthread (kernel/kthread.c:436)
[   54.504573][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.504784][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.504952][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.505122][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.505331][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.505506][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.505695][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.508280][   T12] ------------[ cut here ]------------
| [   54.508443][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   54.509195][   T12] Modules linked in: xfrm_user nf_tables
| [   54.509791][   T12] Tainted: [W]=WARN
[   54.510002][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.510250][   T12] Workqueue: netns cleanup_net
[   54.510487][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.510775][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   54.511289][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   54.511571][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b6900 RCX: 1ff4000000018ed5
[   54.511860][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b69bc
[   54.512150][   T12] RBP: ff110000057f1000 R08: 1fe2200002036d39 R09: ff11000001aed1d0
[   54.512410][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   54.512639][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   54.512877][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   54.513129][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.513328][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d001 CR4: 0000000000771ef0
[   54.513563][   T12] PKRU: 55555554
[   54.513714][   T12] Call Trace:
[   54.513848][   T12]  <TASK>
[   54.513956][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   54.514153][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   54.514359][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.514531][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   54.514712][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   54.514880][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   54.515044][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   54.515218][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   54.515388][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   54.515559][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.515739][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   54.515904][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   54.516066][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   54.516240][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.516403][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.516578][   T12]  process_one_work (kernel/workqueue.c:3314)
[   54.516760][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   54.516925][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.517094][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   54.517271][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   54.517439][   T12]  kthread (kernel/kthread.c:436)
[   54.517580][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   54.517787][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.517952][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   54.518116][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   54.518318][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   54.518482][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   54.518668][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   54.528930][ T1341] ------------[ cut here ]------------
| [   54.529074][ T1341] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1341
| [   54.529336][ T1341] Modules linked in: xfrm_user nf_tables
| [   54.529746][ T1341] Tainted: [W]=WARN
[   54.529843][ T1341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.530003][ T1341] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.530177][ T1341] 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
[   54.530641][ T1341] RSP: 0018:ffa0000001617a80 EFLAGS: 00010286
[   54.530810][ T1341] RAX: 00000000ffffffa6 RBX: ff11000010250c80 RCX: 1ff40000002c2f16
[   54.531004][ T1341] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010250d3c
[   54.531202][ T1341] RBP: ff1100000eb99000 R08: 1fe220000204a1a9 R09: ff1100000f98ae80
[   54.531395][ T1341] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   54.531593][ T1341] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eb99000
[   54.531794][ T1341] FS:  00007f9f4bd31840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   54.532021][ T1341] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.532190][ T1341] CR2: 00007f9f4bf38430 CR3: 000000000eba2005 CR4: 0000000000771ef0
[   54.532386][ T1341] PKRU: 55555554
[   54.532482][ T1341] Call Trace:
[   54.532579][ T1341]  <TASK>
[   54.532647][ T1341]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.532784][ T1341]  ? notifier_call_chain (kernel/notifier.c:85)
[   54.532914][ T1341]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.533013][ T1341]  register_netdevice (net/core/dev.c:11488)
[   54.533143][ T1341]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   54.533310][ T1341]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   54.533441][ T1341]  register_netdev (net/core/dev.c:11552)
[   54.533574][ T1341]  loopback_net_init (drivers/net/loopback.c:218)
[   54.533712][ T1341]  ops_init (net/core/net_namespace.c:137)
[   54.533811][ T1341]  setup_net (net/core/net_namespace.c:446)
[   54.533909][ T1341]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   54.534036][ T1341]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   54.534169][ T1341]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   54.534299][ T1341]  copy_net_ns (net/core/net_namespace.c:579)
[   54.534429][ T1341]  create_new_namespaces (kernel/nsproxy.c:132)
[   54.534566][ T1341]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   54.535086][ T1341]  ksys_unshare (kernel/fork.c:3243)
[   54.535223][ T1341]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.535354][ T1341]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   54.535482][ T1341]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   54.535614][ T1341]  ? __ia32_sys_open (fs/open.c:1374)
[   54.535751][ T1341]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   54.535882][ T1341]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   54.536011][ T1341]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.536141][ T1341]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.536274][ T1341]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.536403][ T1341]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.536568][ T1341] RIP: 0033:0x7f9f4bff3bcb
[   54.536708][ T1341] 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
[   54.537173][ T1341] RSP: 002b:00007ffe397257f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   54.537367][ T1341] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9f4bff3bcb
[   54.537565][ T1341] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   54.537762][ T1341] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   54.537954][ T1341] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe39727a20
[   54.538147][ T1341] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe39728888
| [   54.542298][ T1341] ------------[ cut here ]------------
| [   54.542433][ T1341] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1341
| [   54.542696][ T1341] Modules linked in: xfrm_user nf_tables
| [   54.543088][ T1341] Tainted: [W]=WARN
[   54.543194][ T1341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.543355][ T1341] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.543526][ T1341] 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
[   54.543986][ T1341] RSP: 0018:ffa0000001617918 EFLAGS: 00010286
[   54.544149][ T1341] RAX: 00000000ffffffa6 RBX: ff11000013bdb8c0 RCX: 1ff40000002c2ee9
[   54.544345][ T1341] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013bdb97c
[   54.544538][ T1341] RBP: ff11000014c1c000 R08: 1fe220000277b731 R09: ff1100000f98ae80
[   54.544737][ T1341] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   54.544928][ T1341] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014c1c000
[   54.545122][ T1341] FS:  00007f9f4bd31840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   54.545352][ T1341] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.545518][ T1341] CR2: 00007f9f4bf38430 CR3: 000000000eba2005 CR4: 0000000000771ef0
[   54.545716][ T1341] PKRU: 55555554
[   54.545812][ T1341] Call Trace:
[   54.545907][ T1341]  <TASK>
[   54.545974][ T1341]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.546104][ T1341]  ? notifier_call_chain (kernel/notifier.c:85)
[   54.546238][ T1341]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.546336][ T1341]  register_netdevice (net/core/dev.c:11488)
[   54.546468][ T1341]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   54.546632][ T1341]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   54.546768][ T1341]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   54.546895][ T1341]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   54.547023][ T1341]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   54.547153][ T1341]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   54.547288][ T1341]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   54.547419][ T1341]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   54.547552][ T1341]  ops_init (net/core/net_namespace.c:137)
[   54.547656][ T1341]  setup_net (net/core/net_namespace.c:446)
[   54.547754][ T1341]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   54.547881][ T1341]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   54.548010][ T1341]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   54.548141][ T1341]  copy_net_ns (net/core/net_namespace.c:579)
[   54.548275][ T1341]  create_new_namespaces (kernel/nsproxy.c:132)
[   54.548406][ T1341]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   54.548539][ T1341]  ksys_unshare (kernel/fork.c:3243)
[   54.548673][ T1341]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.548803][ T1341]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   54.548931][ T1341]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   54.549059][ T1341]  ? __ia32_sys_open (fs/open.c:1374)
[   54.549197][ T1341]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   54.549323][ T1341]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   54.549451][ T1341]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.549579][ T1341]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.549713][ T1341]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.549841][ T1341]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.549999][ T1341] RIP: 0033:0x7f9f4bff3bcb
[   54.550132][ T1341] 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
[   54.550599][ T1341] RSP: 002b:00007ffe397257f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   54.550795][ T1341] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9f4bff3bcb
[   54.550985][ T1341] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   54.551179][ T1341] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   54.551371][ T1341] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe39727a20
[   54.551566][ T1341] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe39728888
| [   54.568065][ T1341] ------------[ cut here ]------------
| [   54.568223][ T1341] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1341
| [   54.568488][ T1341] Modules linked in: xfrm_user nf_tables
| [   54.568897][ T1341] Tainted: [W]=WARN
[   54.568998][ T1341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.569162][ T1341] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.569339][ T1341] 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
[   54.569811][ T1341] RSP: 0018:ffa00000016178f8 EFLAGS: 00010286
[   54.569974][ T1341] RAX: 00000000ffffffa6 RBX: ff1100000d73d000 RCX: 1ff40000002c2ee5
[   54.570176][ T1341] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d73d0bc
[   54.570371][ T1341] RBP: ff11000008479000 R08: 1fe2200001ae7a19 R09: ff1100000f98ae80
[   54.570569][ T1341] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.570769][ T1341] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008479000
[   54.570965][ T1341] FS:  00007f9f4bd31840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   54.571200][ T1341] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.571363][ T1341] CR2: 000055d3d5b6bd5c CR3: 000000000eba2005 CR4: 0000000000771ef0
[   54.571562][ T1341] PKRU: 55555554
[   54.571665][ T1341] Call Trace:
[   54.571763][ T1341]  <TASK>
[   54.571832][ T1341]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.571965][ T1341]  ? notifier_call_chain (kernel/notifier.c:85)
[   54.572097][ T1341]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.572202][ T1341]  register_netdevice (net/core/dev.c:11488)
[   54.572336][ T1341]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   54.572501][ T1341]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   54.572636][ T1341]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   54.572775][ T1341]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   54.572906][ T1341]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   54.573038][ T1341]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   54.573173][ T1341]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   54.573307][ T1341]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   54.573439][ T1341]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   54.573576][ T1341]  vti_init_net (net/ipv4/ip_vti.c:517)
[   54.573712][ T1341]  ops_init (net/core/net_namespace.c:137)
[   54.573814][ T1341]  setup_net (net/core/net_namespace.c:446)
[   54.573913][ T1341]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   54.574045][ T1341]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   54.574180][ T1341]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   54.574312][ T1341]  copy_net_ns (net/core/net_namespace.c:579)
[   54.574444][ T1341]  create_new_namespaces (kernel/nsproxy.c:132)
[   54.574580][ T1341]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   54.574718][ T1341]  ksys_unshare (kernel/fork.c:3243)
[   54.574848][ T1341]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.574979][ T1341]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   54.575110][ T1341]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   54.575244][ T1341]  ? __ia32_sys_open (fs/open.c:1374)
[   54.575376][ T1341]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   54.575509][ T1341]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   54.575641][ T1341]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.575777][ T1341]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.575908][ T1341]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.576037][ T1341]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.576204][ T1341] RIP: 0033:0x7f9f4bff3bcb
[   54.576341][ T1341] 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
[   54.576815][ T1341] RSP: 002b:00007ffe397257f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   54.577012][ T1341] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9f4bff3bcb
[   54.577212][ T1341] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   54.577406][ T1341] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   54.577605][ T1341] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe39727a20
[   54.577806][ T1341] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe39728888
| [   54.587473][ T1341] ------------[ cut here ]------------
| [   54.587613][ T1341] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1341
| [   54.587884][ T1341] Modules linked in: xfrm_user nf_tables
| [   54.588288][ T1341] Tainted: [W]=WARN
[   54.588387][ T1341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.588550][ T1341] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.588724][ T1341] 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
[   54.589188][ T1341] RSP: 0018:ffa0000001617a78 EFLAGS: 00010286
[   54.589354][ T1341] RAX: 00000000ffffffa6 RBX: ff110000101b71c0 RCX: 1ff40000002c2f15
[   54.589550][ T1341] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b727c
[   54.589750][ T1341] RBP: ff1100000e944000 R08: 1fe2200002036e51 R09: ff1100000f98ae80
[   54.589944][ T1341] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.590142][ T1341] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e944000
[   54.590340][ T1341] FS:  00007f9f4bd31840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   54.590570][ T1341] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.590738][ T1341] CR2: 000055d3d5b6bd5c CR3: 000000000eba2005 CR4: 0000000000771ef0
[   54.590933][ T1341] PKRU: 55555554
[   54.591031][ T1341] Call Trace:
[   54.591128][ T1341]  <TASK>
[   54.591200][ T1341]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.591329][ T1341]  ? notifier_call_chain (kernel/notifier.c:85)
[   54.591459][ T1341]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.591562][ T1341]  register_netdevice (net/core/dev.c:11488)
[   54.591699][ T1341]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   54.591860][ T1341]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.591993][ T1341]  register_netdev (net/core/dev.c:11552)
[   54.592123][ T1341]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   54.592261][ T1341]  ops_init (net/core/net_namespace.c:137)
[   54.592361][ T1341]  setup_net (net/core/net_namespace.c:446)
[   54.592459][ T1341]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   54.592592][ T1341]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   54.592727][ T1341]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   54.592860][ T1341]  copy_net_ns (net/core/net_namespace.c:579)
[   54.592992][ T1341]  create_new_namespaces (kernel/nsproxy.c:132)
[   54.593124][ T1341]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   54.593260][ T1341]  ksys_unshare (kernel/fork.c:3243)
[   54.593388][ T1341]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.593517][ T1341]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   54.593646][ T1341]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   54.593783][ T1341]  ? __ia32_sys_open (fs/open.c:1374)
[   54.593914][ T1341]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   54.594041][ T1341]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   54.594174][ T1341]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.594303][ T1341]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.594431][ T1341]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.594564][ T1341]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.594728][ T1341] RIP: 0033:0x7f9f4bff3bcb
[   54.594864][ T1341] 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
[   54.595330][ T1341] RSP: 002b:00007ffe397257f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   54.595530][ T1341] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9f4bff3bcb
[   54.595729][ T1341] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   54.595921][ T1341] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   54.596113][ T1341] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe39727a20
[   54.596309][ T1341] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe39728888
| [   54.600708][ T1341] ------------[ cut here ]------------
| [   54.600854][ T1341] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1341
| [   54.601111][ T1341] Modules linked in: xfrm_user nf_tables
| [   54.601511][ T1341] Tainted: [W]=WARN
[   54.601609][ T1341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.601776][ T1341] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.601941][ T1341] 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
[   54.602399][ T1341] RSP: 0018:ffa0000001617a68 EFLAGS: 00010286
[   54.602563][ T1341] RAX: 00000000ffffffa6 RBX: ff1100000dda8580 RCX: 1ff40000002c2f13
[   54.602759][ T1341] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda863c
[   54.602949][ T1341] RBP: ff1100000a331000 R08: 1fe2200001bb50c9 R09: ff1100000f98ae80
[   54.603142][ T1341] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   54.603336][ T1341] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a331000
[   54.603533][ T1341] FS:  00007f9f4bd31840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   54.603765][ T1341] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.603925][ T1341] CR2: 000055d3d5a201ad CR3: 000000000eba2002 CR4: 0000000000771ef0
[   54.604119][ T1341] PKRU: 55555554
[   54.604220][ T1341] Call Trace:
[   54.604314][ T1341]  <TASK>
[   54.604380][ T1341]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.604512][ T1341]  ? notifier_call_chain (kernel/notifier.c:85)
[   54.604642][ T1341]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.604745][ T1341]  register_netdevice (net/core/dev.c:11488)
[   54.604876][ T1341]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   54.605038][ T1341]  register_netdev (net/core/dev.c:11552)
[   54.605169][ T1341]  sit_init_net (net/ipv6/sit.c:1860)
[   54.605299][ T1341]  ops_init (net/core/net_namespace.c:137)
[   54.605396][ T1341]  setup_net (net/core/net_namespace.c:446)
[   54.605494][ T1341]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   54.605623][ T1341]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   54.605755][ T1341]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   54.605885][ T1341]  copy_net_ns (net/core/net_namespace.c:579)
[   54.606012][ T1341]  create_new_namespaces (kernel/nsproxy.c:132)
[   54.606142][ T1341]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   54.606273][ T1341]  ksys_unshare (kernel/fork.c:3243)
[   54.606399][ T1341]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.606530][ T1341]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   54.606663][ T1341]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   54.606791][ T1341]  ? __ia32_sys_open (fs/open.c:1374)
[   54.606920][ T1341]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   54.607047][ T1341]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   54.607177][ T1341]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.607305][ T1341]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.607433][ T1341]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.607563][ T1341]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.607731][ T1341] RIP: 0033:0x7f9f4bff3bcb
[   54.607864][ T1341] 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
[   54.608325][ T1341] RSP: 002b:00007ffe397257f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   54.608518][ T1341] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9f4bff3bcb
[   54.608712][ T1341] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   54.608901][ T1341] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   54.609091][ T1341] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe39727a20
[   54.609285][ T1341] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe39728888
| [   54.613834][ T1341] ------------[ cut here ]------------
| [   54.613968][ T1341] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1341
| [   54.614223][ T1341] Modules linked in: xfrm_user nf_tables
| [   54.614612][ T1341] Tainted: [W]=WARN
[   54.614716][ T1341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.614875][ T1341] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.615041][ T1341] 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
[   54.615499][ T1341] RSP: 0018:ffa0000001617a78 EFLAGS: 00010286
[   54.615667][ T1341] RAX: 00000000ffffffa6 RBX: ff1100000a953a80 RCX: 1ff40000002c2f15
[   54.615858][ T1341] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a953b3c
[   54.616048][ T1341] RBP: ff110000050f9000 R08: 1fe220000152a769 R09: ff1100000f98ae80
[   54.616243][ T1341] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   54.616433][ T1341] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000050f9000
[   54.616629][ T1341] FS:  00007f9f4bd31840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   54.616857][ T1341] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.617018][ T1341] CR2: 000055d3d5a201ad CR3: 000000000eba2002 CR4: 0000000000771ef0
[   54.617218][ T1341] PKRU: 55555554
[   54.617312][ T1341] Call Trace:
[   54.617408][ T1341]  <TASK>
[   54.617473][ T1341]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.617605][ T1341]  ? notifier_call_chain (kernel/notifier.c:85)
[   54.617738][ T1341]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.617835][ T1341]  register_netdevice (net/core/dev.c:11488)
[   54.617966][ T1341]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   54.618125][ T1341]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.618260][ T1341]  register_netdev (net/core/dev.c:11552)
[   54.618387][ T1341]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   54.618517][ T1341]  ops_init (net/core/net_namespace.c:137)
[   54.618615][ T1341]  setup_net (net/core/net_namespace.c:446)
[   54.618717][ T1341]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   54.618844][ T1341]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   54.618972][ T1341]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   54.619102][ T1341]  copy_net_ns (net/core/net_namespace.c:579)
[   54.619236][ T1341]  create_new_namespaces (kernel/nsproxy.c:132)
[   54.619366][ T1341]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   54.619496][ T1341]  ksys_unshare (kernel/fork.c:3243)
[   54.619626][ T1341]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.619758][ T1341]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   54.619885][ T1341]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   54.620011][ T1341]  ? __ia32_sys_open (fs/open.c:1374)
[   54.620140][ T1341]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   54.620271][ T1341]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   54.620397][ T1341]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.620529][ T1341]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.620660][ T1341]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.620788][ T1341]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.620947][ T1341] RIP: 0033:0x7f9f4bff3bcb
[   54.621077][ T1341] 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
[   54.621533][ T1341] RSP: 002b:00007ffe397257f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   54.621729][ T1341] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9f4bff3bcb
[   54.621918][ T1341] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   54.622107][ T1341] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   54.622300][ T1341] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe39727a20
[   54.622490][ T1341] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe39728888
| [   54.652284][ T1342] ------------[ cut here ]------------
| [   54.652458][ T1342] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1342
| [   54.652771][ T1342] Modules linked in: xfrm_user nf_tables
| [   54.653249][ T1342] Tainted: [W]=WARN
[   54.653389][ T1342] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.653601][ T1342] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.653819][ T1342] 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
[   54.654305][ T1342] RSP: 0018:ffa0000001c07020 EFLAGS: 00010286
[   54.654511][ T1342] RAX: 00000000ffffffa6 RBX: ff1100001246f700 RCX: 1ff4000000380dca
[   54.654766][ T1342] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246f7bc
[   54.654995][ T1342] RBP: ff1100000eb99000 R08: 1fe220000248def9 R09: ff110000100f0b58
[   54.655230][ T1342] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   54.655458][ T1342] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   54.655713][ T1342] FS:  00007f8693961840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   54.655986][ T1342] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.656194][ T1342] CR2: 00007f8693c311a0 CR3: 000000000bbe0001 CR4: 0000000000771ef0
[   54.656425][ T1342] PKRU: 55555554
[   54.656572][ T1342] Call Trace:
[   54.656808][ T1342]  <TASK>
[   54.656980][ T1342]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.657231][ T1342]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.657447][ T1342]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   54.657702][ T1342]  __dev_notify_flags (net/core/dev.c:9787)
[   54.657912][ T1342]  ? netif_change_name (net/core/dev.c:1495)
[   54.658088][ T1342]  ? __dev_change_flags (net/core/dev.c:9752)
[   54.658272][ T1342]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   54.658447][ T1342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.658626][ T1342]  ? 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))
[   54.658812][ T1342]  netif_change_flags (net/core/dev.c:9820)
[   54.658983][ T1342]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   54.659153][ T1342]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   54.659361][ T1342]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   54.659542][ T1342]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   54.659757][ T1342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.659928][ T1342]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.660097][ T1342]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   54.660271][ T1342]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.660442][ T1342]  ? __kernel_text_address (kernel/extable.c:79)
[   54.660620][ T1342]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.660806][ T1342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.660976][ T1342]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   54.661146][ T1342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.661325][ T1342]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.661494][ T1342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.661684][ T1342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.661854][ T1342]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   54.662027][ T1342]  ? __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)
[   54.662205][ T1342]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   54.662380][ T1342]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   54.662559][ T1342]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   54.662746][ T1342]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   54.662919][ T1342]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   54.663092][ T1342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.663268][ T1342]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.663441][ T1342]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.663616][ T1342]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   54.663794][ T1342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.663967][ T1342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.664136][ T1342]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.664313][ T1342]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.664482][ T1342]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.664669][ T1342]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.664842][ T1342]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   54.665012][ T1342]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.665189][ T1342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.665359][ T1342]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.665533][ T1342]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.665716][ T1342]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.665888][ T1342]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   54.666059][ T1342]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.666239][ T1342]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.666413][ T1342]  ? 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))
[   54.666591][ T1342]  ? 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))
[   54.666776][ T1342]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.666981][ T1342]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.667150][ T1342]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.667331][ T1342]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   54.667507][ T1342]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   54.667696][ T1342]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   54.667870][ T1342]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   54.668041][ T1342]  ? copy_msghdr_from_user (net/socket.c:2635)
[   54.668218][ T1342]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   54.668419][ T1342]  ? move_addr_to_kernel (net/socket.c:258)
[   54.668598][ T1342]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.668784][ T1342]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.668955][ T1342]  ___sys_sendmsg (net/socket.c:2752)
[   54.669124][ T1342]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   54.669336][ T1342]  ? copy_msghdr_from_user (net/socket.c:2603)
[   54.669527][ T1342]  __sys_sendmsg (net/socket.c:2784)
[   54.669711][ T1342]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   54.669879][ T1342]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   54.670084][ T1342]  ? 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)
[   54.670262][ T1342]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.670434][ T1342]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.670611][ T1342]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.670793][ T1342]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.670964][ T1342]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.671173][ T1342] RIP: 0033:0x7f8693b9b08e
[   54.671348][ T1342] 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
[   54.671854][ T1342] RSP: 002b:00007ffddccc5790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.672087][ T1342] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8693b9b08e
[   54.672324][ T1342] RDX: 0000000000000000 RSI: 00007ffddccc5840 RDI: 0000000000000005
[   54.672564][ T1342] RBP: 00007ffddccc57a0 R08: 0000000000000000 R09: 0000000000000000
[   54.672806][ T1342] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d860
[   54.673035][ T1342] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffddccc5f10
| [   54.789645][ T1346] ------------[ cut here ]------------
| [   54.789800][ T1346] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1346
| [   54.790063][ T1346] Modules linked in: xfrm_user nf_tables
| [   54.790470][ T1346] Tainted: [W]=WARN
[   54.790572][ T1346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.790740][ T1346] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.790910][ T1346] 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
[   54.791378][ T1346] RSP: 0018:ffa0000001c37a80 EFLAGS: 00010286
[   54.791544][ T1346] RAX: 00000000ffffffa6 RBX: ff11000010251a80 RCX: 1ff4000000386f16
[   54.791743][ T1346] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010251b3c
[   54.791936][ T1346] RBP: ff11000014cf4000 R08: 1fe220000204a369 R09: ff1100000fb02e80
[   54.792133][ T1346] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   54.792333][ T1346] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014cf4000
[   54.792533][ T1346] FS:  00007f68a089f840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   54.792765][ T1346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.792929][ T1346] CR2: 00007f68a0aa6430 CR3: 000000000f8df005 CR4: 0000000000771ef0
[   54.793125][ T1346] PKRU: 55555554
[   54.793227][ T1346] Call Trace:
[   54.793324][ T1346]  <TASK>
[   54.793392][ T1346]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.793529][ T1346]  ? notifier_call_chain (kernel/notifier.c:85)
[   54.793664][ T1346]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.793765][ T1346]  register_netdevice (net/core/dev.c:11488)
[   54.793896][ T1346]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   54.794058][ T1346]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   54.794195][ T1346]  register_netdev (net/core/dev.c:11552)
[   54.794325][ T1346]  loopback_net_init (drivers/net/loopback.c:218)
[   54.794456][ T1346]  ops_init (net/core/net_namespace.c:137)
[   54.794561][ T1346]  setup_net (net/core/net_namespace.c:446)
[   54.794665][ T1346]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   54.794795][ T1346]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   54.794924][ T1346]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   54.795057][ T1346]  copy_net_ns (net/core/net_namespace.c:579)
[   54.795192][ T1346]  create_new_namespaces (kernel/nsproxy.c:132)
[   54.795324][ T1346]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   54.795455][ T1346]  ksys_unshare (kernel/fork.c:3243)
[   54.795592][ T1346]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.795726][ T1346]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   54.795856][ T1346]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   54.795986][ T1346]  ? __ia32_sys_open (fs/open.c:1374)
[   54.796118][ T1346]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   54.796251][ T1346]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   54.796380][ T1346]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.796512][ T1346]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.796643][ T1346]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.796777][ T1346]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.796939][ T1346] RIP: 0033:0x7f68a0b61bcb
[   54.797076][ T1346] 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
[   54.797546][ T1346] RSP: 002b:00007ffd03c36838 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   54.797748][ T1346] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f68a0b61bcb
[   54.797940][ T1346] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   54.798132][ T1346] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   54.798333][ T1346] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd03c38a60
[   54.798529][ T1346] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd03c3a887
| [   54.802321][ T1346] ------------[ cut here ]------------
| [   54.802457][ T1346] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1346
| [   54.803103][ T1346] Modules linked in: xfrm_user nf_tables
| [   54.803509][ T1346] Tainted: [W]=WARN
[   54.803606][ T1346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.803774][ T1346] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.803940][ T1346] 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
[   54.804404][ T1346] RSP: 0018:ffa0000001c37918 EFLAGS: 00010286
[   54.804570][ T1346] RAX: 00000000ffffffa6 RBX: ff1100001246e580 RCX: 1ff4000000386ee9
[   54.804773][ T1346] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e63c
[   54.804966][ T1346] RBP: ff1100000d124000 R08: 1fe220000248dcc9 R09: ff1100000fb02e80
[   54.805159][ T1346] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   54.805356][ T1346] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d124000
[   54.805554][ T1346] FS:  00007f68a089f840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   54.805784][ T1346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.805945][ T1346] CR2: 00007f68a0aa6430 CR3: 000000000f8df005 CR4: 0000000000771ef0
[   54.806137][ T1346] PKRU: 55555554
[   54.806237][ T1346] Call Trace:
[   54.806335][ T1346]  <TASK>
[   54.806402][ T1346]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.806535][ T1346]  ? notifier_call_chain (kernel/notifier.c:85)
[   54.806667][ T1346]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.806766][ T1346]  register_netdevice (net/core/dev.c:11488)
[   54.806896][ T1346]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   54.807055][ T1346]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   54.807194][ T1346]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   54.807323][ T1346]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   54.807452][ T1346]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   54.807586][ T1346]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   54.807721][ T1346]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   54.807853][ T1346]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   54.807984][ T1346]  ops_init (net/core/net_namespace.c:137)
[   54.808083][ T1346]  setup_net (net/core/net_namespace.c:446)
[   54.808185][ T1346]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   54.808313][ T1346]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   54.808442][ T1346]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   54.808575][ T1346]  copy_net_ns (net/core/net_namespace.c:579)
[   54.808709][ T1346]  create_new_namespaces (kernel/nsproxy.c:132)
[   54.808839][ T1346]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   54.808969][ T1346]  ksys_unshare (kernel/fork.c:3243)
[   54.809099][ T1346]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.809233][ T1346]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   54.809362][ T1346]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   54.809493][ T1346]  ? __ia32_sys_open (fs/open.c:1374)
[   54.809626][ T1346]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   54.809759][ T1346]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   54.809886][ T1346]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.810014][ T1346]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.810141][ T1346]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.810275][ T1346]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.810433][ T1346] RIP: 0033:0x7f68a0b61bcb
[   54.810570][ T1346] 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
[   54.811031][ T1346] RSP: 002b:00007ffd03c36838 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   54.811232][ T1346] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f68a0b61bcb
[   54.811421][ T1346] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   54.811613][ T1346] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   54.811810][ T1346] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd03c38a60
[   54.812001][ T1346] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd03c3a887
| [   54.816175][ T1346] ------------[ cut here ]------------
| [   54.816310][ T1346] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1346
| [   54.816571][ T1346] Modules linked in: xfrm_user nf_tables
| [   54.817604][ T1346] Tainted: [W]=WARN
[   54.817761][ T1346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.817924][ T1346] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.818093][ T1346] 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
[   54.818567][ T1346] RSP: 0018:ffa0000001c378f8 EFLAGS: 00010286
[   54.818787][ T1346] RAX: 00000000ffffffa6 RBX: ff1100000a8f9700 RCX: 1ff4000000386ee5
[   54.819037][ T1346] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8f97bc
[   54.819236][ T1346] RBP: ff11000009a59000 R08: 1fe220000151f2f9 R09: ff1100000fb02e80
[   54.819431][ T1346] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   54.819629][ T1346] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009a59000
[   54.819878][ T1346] FS:  00007f68a089f840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   54.820105][ T1346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.820274][ T1346] CR2: 00007f68a0aa6430 CR3: 000000000f8df005 CR4: 0000000000771ef0
[   54.820472][ T1346] PKRU: 55555554
[   54.820575][ T1346] Call Trace:
[   54.820726][ T1346]  <TASK>
[   54.820793][ T1346]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.820923][ T1346]  ? notifier_call_chain (kernel/notifier.c:85)
[   54.821052][ T1346]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.821150][ T1346]  register_netdevice (net/core/dev.c:11488)
[   54.821288][ T1346]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   54.821452][ T1346]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   54.821589][ T1346]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   54.821775][ T1346]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   54.821905][ T1346]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   54.822036][ T1346]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   54.822171][ T1346]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   54.822304][ T1346]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   54.822435][ T1346]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   54.822573][ T1346]  vti_init_net (net/ipv4/ip_vti.c:517)
[   54.822757][ T1346]  ops_init (net/core/net_namespace.c:137)
[   54.822858][ T1346]  setup_net (net/core/net_namespace.c:446)
[   54.822956][ T1346]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   54.823085][ T1346]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   54.823220][ T1346]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   54.823352][ T1346]  copy_net_ns (net/core/net_namespace.c:579)
[   54.823487][ T1346]  create_new_namespaces (kernel/nsproxy.c:132)
[   54.823624][ T1346]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   54.823811][ T1346]  ksys_unshare (kernel/fork.c:3243)
[   54.823940][ T1346]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.824069][ T1346]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   54.824204][ T1346]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   54.824334][ T1346]  ? __ia32_sys_open (fs/open.c:1374)
[   54.824467][ T1346]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   54.824600][ T1346]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   54.824785][ T1346]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.824915][ T1346]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.825044][ T1346]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.825180][ T1346]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.825341][ T1346] RIP: 0033:0x7f68a0b61bcb
[   54.825476][ T1346] 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
[   54.826003][ T1346] RSP: 002b:00007ffd03c36838 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   54.826205][ T1346] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f68a0b61bcb
[   54.826400][ T1346] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   54.826600][ T1346] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   54.826848][ T1346] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd03c38a60
[   54.827044][ T1346] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd03c3a887
| [   54.831385][ T1346] ------------[ cut here ]------------
| [   54.831537][ T1346] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1346
| [   54.831808][ T1346] Modules linked in: xfrm_user nf_tables
| [   54.832214][ T1346] Tainted: [W]=WARN
[   54.832311][ T1346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.832475][ T1346] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.832648][ T1346] 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
[   54.833120][ T1346] RSP: 0018:ffa0000001c37a78 EFLAGS: 00010286
[   54.833289][ T1346] RAX: 00000000ffffffa6 RBX: ff11000012120740 RCX: 1ff4000000386f15
[   54.833483][ T1346] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121207fc
[   54.833685][ T1346] RBP: ff110000058d4000 R08: 1fe2200002424101 R09: ff1100000fb02e80
[   54.833879][ T1346] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.834074][ T1346] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058d4000
[   54.834274][ T1346] FS:  00007f68a089f840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   54.834505][ T1346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.834675][ T1346] CR2: 000055d3d5b6bd5c CR3: 000000000f8df001 CR4: 0000000000771ef0
[   54.834871][ T1346] PKRU: 55555554
[   54.834968][ T1346] Call Trace:
[   54.835065][ T1346]  <TASK>
[   54.835132][ T1346]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.835268][ T1346]  ? notifier_call_chain (kernel/notifier.c:85)
[   54.835401][ T1346]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.835502][ T1346]  register_netdevice (net/core/dev.c:11488)
[   54.835636][ T1346]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   54.835804][ T1346]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.835937][ T1346]  register_netdev (net/core/dev.c:11552)
[   54.836065][ T1346]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   54.836201][ T1346]  ops_init (net/core/net_namespace.c:137)
[   54.836302][ T1346]  setup_net (net/core/net_namespace.c:446)
[   54.836400][ T1346]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   54.836534][ T1346]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   54.836667][ T1346]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   54.836798][ T1346]  copy_net_ns (net/core/net_namespace.c:579)
[   54.836929][ T1346]  create_new_namespaces (kernel/nsproxy.c:132)
[   54.837062][ T1346]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   54.837200][ T1346]  ksys_unshare (kernel/fork.c:3243)
[   54.837330][ T1346]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.837459][ T1346]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   54.837593][ T1346]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   54.837733][ T1346]  ? __ia32_sys_open (fs/open.c:1374)
[   54.837865][ T1346]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   54.837994][ T1346]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   54.838123][ T1346]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.838261][ T1346]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.838389][ T1346]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.838520][ T1346]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.838686][ T1346] RIP: 0033:0x7f68a0b61bcb
[   54.838820][ T1346] 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
[   54.839293][ T1346] RSP: 002b:00007ffd03c36838 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   54.839489][ T1346] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f68a0b61bcb
[   54.839688][ T1346] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   54.839880][ T1346] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   54.840076][ T1346] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd03c38a60
[   54.840274][ T1346] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd03c3a887
| [   54.844401][ T1346] ------------[ cut here ]------------
| [   54.844542][ T1346] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1346
| [   54.844808][ T1346] Modules linked in: xfrm_user nf_tables
| [   54.845208][ T1346] Tainted: [W]=WARN
[   54.845305][ T1346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.845467][ T1346] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.845639][ T1346] 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
[   54.846105][ T1346] RSP: 0018:ffa0000001c37a68 EFLAGS: 00010286
[   54.846274][ T1346] RAX: 00000000ffffffa6 RBX: ff110000121218c0 RCX: 1ff4000000386f13
[   54.846468][ T1346] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001212197c
[   54.846669][ T1346] RBP: ff1100000febc000 R08: 1fe2200002424331 R09: ff1100000fb02e80
[   54.846862][ T1346] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.847057][ T1346] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000febc000
[   54.847258][ T1346] FS:  00007f68a089f840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   54.847485][ T1346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.847657][ T1346] CR2: 000055d3d5b6bd5c CR3: 000000000f8df001 CR4: 0000000000771ef0
[   54.847854][ T1346] PKRU: 55555554
[   54.847950][ T1346] Call Trace:
[   54.848046][ T1346]  <TASK>
[   54.848130][ T1346]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.848266][ T1346]  ? notifier_call_chain (kernel/notifier.c:85)
[   54.848396][ T1346]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.848496][ T1346]  register_netdevice (net/core/dev.c:11488)
[   54.848631][ T1346]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   54.849313][ T1346]  register_netdev (net/core/dev.c:11552)
[   54.849445][ T1346]  sit_init_net (net/ipv6/sit.c:1860)
[   54.849578][ T1346]  ops_init (net/core/net_namespace.c:137)
[   54.849734][ T1346]  setup_net (net/core/net_namespace.c:446)
[   54.849886][ T1346]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   54.850014][ T1346]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   54.850143][ T1346]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   54.850279][ T1346]  copy_net_ns (net/core/net_namespace.c:579)
[   54.850410][ T1346]  create_new_namespaces (kernel/nsproxy.c:132)
[   54.850545][ T1346]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   54.850731][ T1346]  ksys_unshare (kernel/fork.c:3243)
[   54.850861][ T1346]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.850991][ T1346]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   54.851121][ T1346]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   54.851257][ T1346]  ? __ia32_sys_open (fs/open.c:1374)
[   54.851388][ T1346]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   54.851517][ T1346]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   54.851644][ T1346]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.851830][ T1346]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.851960][ T1346]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.852090][ T1346]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.852255][ T1346] RIP: 0033:0x7f68a0b61bcb
[   54.852390][ T1346] 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
[   54.852912][ T1346] RSP: 002b:00007ffd03c36838 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   54.853107][ T1346] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f68a0b61bcb
[   54.853304][ T1346] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   54.853496][ T1346] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   54.853749][ T1346] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd03c38a60
[   54.853941][ T1346] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd03c3a887
| [   54.859266][ T1346] ------------[ cut here ]------------
| [   54.859408][ T1346] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1346
| [   54.859674][ T1346] Modules linked in: xfrm_user nf_tables
| [   54.860070][ T1346] Tainted: [W]=WARN
[   54.860173][ T1346] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.860334][ T1346] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.860502][ T1346] 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
[   54.860971][ T1346] RSP: 0018:ffa0000001c37a78 EFLAGS: 00010286
[   54.861134][ T1346] RAX: 00000000ffffffa6 RBX: ff1100000ceae580 RCX: 1ff4000000386f15
[   54.861334][ T1346] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceae63c
[   54.861533][ T1346] RBP: ff1100000eb9c000 R08: 1fe22000019d5cc9 R09: ff1100000fb02e80
[   54.861732][ T1346] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   54.861927][ T1346] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eb9c000
[   54.862121][ T1346] FS:  00007f68a089f840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   54.862352][ T1346] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.862516][ T1346] CR2: 000055d3d5b6bd5c CR3: 000000000f8df001 CR4: 0000000000771ef0
[   54.862720][ T1346] PKRU: 55555554
[   54.862816][ T1346] Call Trace:
[   54.862912][ T1346]  <TASK>
[   54.862979][ T1346]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.863109][ T1346]  ? notifier_call_chain (kernel/notifier.c:85)
[   54.863242][ T1346]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.863340][ T1346]  register_netdevice (net/core/dev.c:11488)
[   54.863470][ T1346]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   54.863635][ T1346]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.863772][ T1346]  register_netdev (net/core/dev.c:11552)
[   54.863902][ T1346]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   54.864031][ T1346]  ops_init (net/core/net_namespace.c:137)
[   54.864133][ T1346]  setup_net (net/core/net_namespace.c:446)
[   54.864266][ T1346]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   54.864395][ T1346]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   54.864530][ T1346]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   54.864719][ T1346]  copy_net_ns (net/core/net_namespace.c:579)
[   54.864851][ T1346]  create_new_namespaces (kernel/nsproxy.c:132)
[   54.864983][ T1346]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   54.865114][ T1346]  ksys_unshare (kernel/fork.c:3243)
[   54.865247][ T1346]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   54.865375][ T1346]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   54.865507][ T1346]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   54.865637][ T1346]  ? __ia32_sys_open (fs/open.c:1374)
[   54.865824][ T1346]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   54.866007][ T1346]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   54.866136][ T1346]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.866270][ T1346]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.866400][ T1346]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.866536][ T1346]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.866750][ T1346] RIP: 0033:0x7f68a0b61bcb
[   54.866886][ T1346] 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
[   54.867354][ T1346] RSP: 002b:00007ffd03c36838 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   54.867557][ T1346] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f68a0b61bcb
[   54.867808][ T1346] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   54.868000][ T1346] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   54.868202][ T1346] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd03c38a60
[   54.868395][ T1346] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd03c3a887
| [   54.897330][ T1347] ------------[ cut here ]------------
| [   54.897511][ T1347] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1347
| [   54.898450][ T1347] Modules linked in: xfrm_user nf_tables
| [   54.899204][ T1347] Tainted: [W]=WARN
[   54.899436][ T1347] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   54.899719][ T1347] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   54.899931][ T1347] 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
[   54.900441][ T1347] RSP: 0018:ffa0000001c37020 EFLAGS: 00010286
[   54.900668][ T1347] RAX: 00000000ffffffa6 RBX: ff1100000ebe8c80 RCX: 1ff4000000386dca
[   54.900906][ T1347] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ebe8d3c
[   54.901142][ T1347] RBP: ff11000014cf4000 R08: 1fe2200001d7d1a9 R09: ff11000009c5d158
[   54.901391][ T1347] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   54.901637][ T1347] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   54.901893][ T1347] FS:  00007f473f59a840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   54.902172][ T1347] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   54.902380][ T1347] CR2: 0000000019528988 CR3: 000000000e918003 CR4: 0000000000771ef0
[   54.902630][ T1347] PKRU: 55555554
[   54.902786][ T1347] Call Trace:
[   54.902929][ T1347]  <TASK>
[   54.903043][ T1347]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   54.903229][ T1347]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   54.903378][ T1347]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   54.903560][ T1347]  __dev_notify_flags (net/core/dev.c:9787)
[   54.903752][ T1347]  ? netif_change_name (net/core/dev.c:1495)
[   54.903931][ T1347]  ? __dev_change_flags (net/core/dev.c:9752)
[   54.904108][ T1347]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   54.904293][ T1347]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.904472][ T1347]  ? 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))
[   54.904668][ T1347]  netif_change_flags (net/core/dev.c:9820)
[   54.904847][ T1347]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   54.905026][ T1347]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   54.905213][ T1347]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   54.905390][ T1347]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   54.905607][ T1347]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   54.905796][ T1347]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.905972][ T1347]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   54.906146][ T1347]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.906333][ T1347]  ? __kernel_text_address (kernel/extable.c:79)
[   54.906513][ T1347]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.906706][ T1347]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.906881][ T1347]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   54.907057][ T1347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.907244][ T1347]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   54.907419][ T1347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.907607][ T1347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.907797][ T1347]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   54.907975][ T1347]  ? __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)
[   54.908149][ T1347]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   54.908335][ T1347]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   54.908517][ T1347]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   54.908706][ T1347]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   54.908885][ T1347]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   54.909066][ T1347]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.909245][ T1347]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.909421][ T1347]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.909605][ T1347]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   54.909794][ T1347]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.909973][ T1347]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.910148][ T1347]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.910333][ T1347]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.910515][ T1347]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   54.910705][ T1347]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   54.910881][ T1347]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   54.911057][ T1347]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.911240][ T1347]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.911419][ T1347]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.911605][ T1347]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   54.911794][ T1347]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   54.911973][ T1347]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   54.912149][ T1347]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   54.912334][ T1347]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   54.912518][ T1347]  ? 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))
[   54.912703][ T1347]  ? 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))
[   54.912883][ T1347]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   54.913062][ T1347]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   54.913247][ T1347]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   54.913424][ T1347]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   54.913612][ T1347]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   54.913802][ T1347]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   54.913983][ T1347]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   54.914160][ T1347]  ? copy_msghdr_from_user (net/socket.c:2635)
[   54.914345][ T1347]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   54.914563][ T1347]  ? move_addr_to_kernel (net/socket.c:258)
[   54.914755][ T1347]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   54.914933][ T1347]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   54.915111][ T1347]  ___sys_sendmsg (net/socket.c:2752)
[   54.915296][ T1347]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   54.915505][ T1347]  ? copy_msghdr_from_user (net/socket.c:2603)
[   54.915713][ T1347]  __sys_sendmsg (net/socket.c:2784)
[   54.915896][ T1347]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   54.916071][ T1347]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   54.916289][ T1347]  ? 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)
[   54.916467][ T1347]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   54.916664][ T1347]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   54.916839][ T1347]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   54.917015][ T1347]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   54.917200][ T1347]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   54.917410][ T1347] RIP: 0033:0x7f473f7d408e
[   54.917598][ T1347] 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
[   54.918114][ T1347] RSP: 002b:00007fffa3af33e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   54.918367][ T1347] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f473f7d408e
[   54.918613][ T1347] RDX: 0000000000000000 RSI: 00007fffa3af3490 RDI: 0000000000000005
[   54.918863][ T1347] RBP: 00007fffa3af33f0 R08: 0000000000000000 R09: 0000000000000000
[   54.919102][ T1347] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d861
[   54.919348][ T1347] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa3af3b60
| [   55.035225][ T1351] ------------[ cut here ]------------
| [   55.035378][ T1351] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1351
| [   55.035636][ T1351] Modules linked in: xfrm_user nf_tables
| [   55.036044][ T1351] Tainted: [W]=WARN
[   55.036142][ T1351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.036308][ T1351] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.036477][ T1351] 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
[   55.036948][ T1351] RSP: 0018:ffa0000001c67a80 EFLAGS: 00010286
[   55.037111][ T1351] RAX: 00000000ffffffa6 RBX: ff1100000e8f1700 RCX: 1ff400000038cf16
[   55.037307][ T1351] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e8f17bc
[   55.037497][ T1351] RBP: ff1100000f8bc000 R08: 1fe2200001d1e2f9 R09: ff1100000fbf8b80
[   55.037697][ T1351] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.037887][ T1351] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f8bc000
[   55.038079][ T1351] FS:  00007f9f4e85c840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   55.038310][ T1351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.038471][ T1351] CR2: 00007ff1435dc2a0 CR3: 000000000f36f004 CR4: 0000000000771ef0
[   55.038674][ T1351] PKRU: 55555554
[   55.038770][ T1351] Call Trace:
[   55.038865][ T1351]  <TASK>
[   55.038933][ T1351]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.039068][ T1351]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.039204][ T1351]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.039301][ T1351]  register_netdevice (net/core/dev.c:11488)
[   55.039431][ T1351]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.039593][ T1351]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   55.039728][ T1351]  register_netdev (net/core/dev.c:11552)
[   55.039856][ T1351]  loopback_net_init (drivers/net/loopback.c:218)
[   55.039988][ T1351]  ops_init (net/core/net_namespace.c:137)
[   55.040086][ T1351]  setup_net (net/core/net_namespace.c:446)
[   55.040188][ T1351]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.040318][ T1351]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.040446][ T1351]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.040578][ T1351]  copy_net_ns (net/core/net_namespace.c:579)
[   55.040713][ T1351]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.040843][ T1351]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.040974][ T1351]  ksys_unshare (kernel/fork.c:3243)
[   55.041102][ T1351]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.041235][ T1351]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.041364][ T1351]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.041493][ T1351]  ? __ia32_sys_open (fs/open.c:1374)
[   55.041625][ T1351]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.041757][ T1351]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.041885][ T1351]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.042013][ T1351]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.042141][ T1351]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.042271][ T1351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.042429][ T1351] RIP: 0033:0x7f9f4eb1ebcb
[   55.042566][ T1351] 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
[   55.043024][ T1351] RSP: 002b:00007ffd987f1718 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   55.043222][ T1351] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9f4eb1ebcb
[   55.043412][ T1351] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.043606][ T1351] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.043803][ T1351] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd987f3940
[   55.043995][ T1351] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd987f4887
| [   55.052252][ T1351] ------------[ cut here ]------------
| [   55.052390][ T1351] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1351
| [   55.052647][ T1351] Modules linked in: xfrm_user nf_tables
| [   55.053499][ T1351] Tainted: [W]=WARN
[   55.053598][ T1351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.053810][ T1351] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.053974][ T1351] 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
[   55.054437][ T1351] RSP: 0018:ffa0000001c67918 EFLAGS: 00010286
[   55.054599][ T1351] RAX: 00000000ffffffa6 RBX: ff1100000ebe8e40 RCX: 1ff400000038cee9
[   55.054843][ T1351] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ebe8efc
[   55.055034][ T1351] RBP: ff1100000a279000 R08: 1fe2200001d7d1e1 R09: ff1100000fbf8b80
[   55.055282][ T1351] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.055472][ T1351] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a279000
[   55.055724][ T1351] FS:  00007f9f4e85c840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   55.055951][ T1351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.056110][ T1351] CR2: 00007ff1435dc2a0 CR3: 000000000f36f004 CR4: 0000000000771ef0
[   55.056304][ T1351] PKRU: 55555554
[   55.056399][ T1351] Call Trace:
[   55.056494][ T1351]  <TASK>
[   55.056563][ T1351]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.056743][ T1351]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.056871][ T1351]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.056966][ T1351]  register_netdevice (net/core/dev.c:11488)
[   55.057094][ T1351]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.057260][ T1351]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   55.057391][ T1351]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   55.057522][ T1351]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   55.057649][ T1351]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   55.057831][ T1351]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   55.057957][ T1351]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   55.058086][ T1351]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   55.058219][ T1351]  ops_init (net/core/net_namespace.c:137)
[   55.058316][ T1351]  setup_net (net/core/net_namespace.c:446)
[   55.058412][ T1351]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.058541][ T1351]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.058721][ T1351]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.058849][ T1351]  copy_net_ns (net/core/net_namespace.c:579)
[   55.058976][ T1351]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.059105][ T1351]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.059240][ T1351]  ksys_unshare (kernel/fork.c:3243)
[   55.059366][ T1351]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.059492][ T1351]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.059621][ T1351]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.059799][ T1351]  ? __ia32_sys_open (fs/open.c:1374)
[   55.059927][ T1351]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.060053][ T1351]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.060181][ T1351]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.060308][ T1351]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.060436][ T1351]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.060565][ T1351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.060772][ T1351] RIP: 0033:0x7f9f4eb1ebcb
[   55.060905][ T1351] 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
[   55.061359][ T1351] RSP: 002b:00007ffd987f1718 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   55.061556][ T1351] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9f4eb1ebcb
[   55.061797][ T1351] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.061983][ T1351] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.062174][ T1351] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd987f3940
[   55.062364][ T1351] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd987f4887
| [   55.066778][ T1351] ------------[ cut here ]------------
| [   55.066911][ T1351] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1351
| [   55.067172][ T1351] Modules linked in: xfrm_user nf_tables
| [   55.067563][ T1351] Tainted: [W]=WARN
[   55.067664][ T1351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.067823][ T1351] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.067989][ T1351] 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
[   55.068444][ T1351] RSP: 0018:ffa0000001c678f8 EFLAGS: 00010286
[   55.068606][ T1351] RAX: 00000000ffffffa6 RBX: ff1100000ceaf8c0 RCX: 1ff400000038cee5
[   55.068799][ T1351] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceaf97c
[   55.068987][ T1351] RBP: ff11000008d4c000 R08: 1fe22000019d5f31 R09: ff1100000fbf8b80
[   55.069179][ T1351] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.069371][ T1351] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008d4c000
[   55.069569][ T1351] FS:  00007f9f4e85c840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   55.069796][ T1351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.069956][ T1351] CR2: 00007ff1435dc2a0 CR3: 000000000f36f004 CR4: 0000000000771ef0
[   55.070148][ T1351] PKRU: 55555554
[   55.070248][ T1351] Call Trace:
[   55.070343][ T1351]  <TASK>
[   55.070408][ T1351]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.070539][ T1351]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.070671][ T1351]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.070767][ T1351]  register_netdevice (net/core/dev.c:11488)
[   55.070896][ T1351]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.071055][ T1351]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   55.071191][ T1351]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   55.071319][ T1351]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   55.071446][ T1351]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   55.071577][ T1351]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   55.072203][ T1351]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   55.072334][ T1351]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   55.072460][ T1351]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   55.072593][ T1351]  vti_init_net (net/ipv4/ip_vti.c:517)
[   55.072774][ T1351]  ops_init (net/core/net_namespace.c:137)
[   55.072872][ T1351]  setup_net (net/core/net_namespace.c:446)
[   55.072969][ T1351]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.073096][ T1351]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.073228][ T1351]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.073358][ T1351]  copy_net_ns (net/core/net_namespace.c:579)
[   55.073485][ T1351]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.073618][ T1351]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.073802][ T1351]  ksys_unshare (kernel/fork.c:3243)
[   55.073980][ T1351]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.074106][ T1351]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.074236][ T1351]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.074363][ T1351]  ? __ia32_sys_open (fs/open.c:1374)
[   55.074494][ T1351]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.074624][ T1351]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.074805][ T1351]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.074933][ T1351]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.075060][ T1351]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.075192][ T1351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.075347][ T1351] RIP: 0033:0x7f9f4eb1ebcb
[   55.075479][ T1351] 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
[   55.075987][ T1351] RSP: 002b:00007ffd987f1718 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   55.076179][ T1351] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9f4eb1ebcb
[   55.076368][ T1351] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.076561][ T1351] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.076805][ T1351] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd987f3940
[   55.076993][ T1351] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd987f4887
| [   55.081854][ T1351] ------------[ cut here ]------------
| [   55.081985][ T1351] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1351
| [   55.082233][ T1351] Modules linked in: xfrm_user nf_tables
| [   55.082623][ T1351] Tainted: [W]=WARN
[   55.082723][ T1351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.082880][ T1351] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.083043][ T1351] 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
[   55.083496][ T1351] RSP: 0018:ffa0000001c67a78 EFLAGS: 00010286
[   55.083661][ T1351] RAX: 00000000ffffffa6 RBX: ff1100000532a3c0 RCX: 1ff400000038cf15
[   55.083849][ T1351] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000532a47c
[   55.084036][ T1351] RBP: ff1100000fc3c000 R08: 1fe2200000a65491 R09: ff1100000fbf8b80
[   55.084231][ T1351] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.084417][ T1351] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc3c000
[   55.084606][ T1351] FS:  00007f9f4e85c840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   55.084829][ T1351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.084985][ T1351] CR2: 00007ff1435dc2a0 CR3: 000000000f36f004 CR4: 0000000000771ef0
[   55.085179][ T1351] PKRU: 55555554
[   55.085273][ T1351] Call Trace:
[   55.085366][ T1351]  <TASK>
[   55.085430][ T1351]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.085560][ T1351]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.085691][ T1351]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.085786][ T1351]  register_netdevice (net/core/dev.c:11488)
[   55.085913][ T1351]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.086068][ T1351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.086202][ T1351]  register_netdev (net/core/dev.c:11552)
[   55.086328][ T1351]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   55.086455][ T1351]  ops_init (net/core/net_namespace.c:137)
[   55.086556][ T1351]  setup_net (net/core/net_namespace.c:446)
[   55.086657][ T1351]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.086782][ T1351]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.086908][ T1351]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.087035][ T1351]  copy_net_ns (net/core/net_namespace.c:579)
[   55.087160][ T1351]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.087292][ T1351]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.087417][ T1351]  ksys_unshare (kernel/fork.c:3243)
[   55.087544][ T1351]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.087728][ T1351]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.087905][ T1351]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.088030][ T1351]  ? __ia32_sys_open (fs/open.c:1374)
[   55.088155][ T1351]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.088284][ T1351]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.088408][ T1351]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.088535][ T1351]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.088711][ T1351]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.088837][ T1351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.088991][ T1351] RIP: 0033:0x7f9f4eb1ebcb
[   55.089121][ T1351] 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
[   55.089572][ T1351] RSP: 002b:00007ffd987f1718 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   55.089813][ T1351] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9f4eb1ebcb
[   55.089999][ T1351] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.090189][ T1351] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.090374][ T1351] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd987f3940
[   55.090564][ T1351] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd987f4887
| [   55.100436][ T1351] ------------[ cut here ]------------
| [   55.100573][ T1351] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1351
| [   55.100827][ T1351] Modules linked in: xfrm_user nf_tables
| [   55.101210][ T1351] Tainted: [W]=WARN
[   55.101304][ T1351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.101459][ T1351] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.101623][ T1351] 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
[   55.102069][ T1351] RSP: 0018:ffa0000001c67a68 EFLAGS: 00010286
[   55.102229][ T1351] RAX: 00000000ffffffa6 RBX: ff1100000ebe9c40 RCX: 1ff400000038cf13
[   55.102414][ T1351] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ebe9cfc
[   55.102601][ T1351] RBP: ff1100000ea69000 R08: 1fe2200001d7d3a1 R09: ff1100000fbf8b80
[   55.102788][ T1351] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.102975][ T1351] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ea69000
[   55.103163][ T1351] FS:  00007f9f4e85c840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   55.103385][ T1351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.103544][ T1351] CR2: 00007ff1435dc2a0 CR3: 000000000f36f004 CR4: 0000000000771ef0
[   55.103735][ T1351] PKRU: 55555554
[   55.103828][ T1351] Call Trace:
[   55.103920][ T1351]  <TASK>
[   55.103984][ T1351]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.104109][ T1351]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.104239][ T1351]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.104335][ T1351]  register_netdevice (net/core/dev.c:11488)
[   55.104463][ T1351]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.104625][ T1351]  register_netdev (net/core/dev.c:11552)
[   55.104755][ T1351]  sit_init_net (net/ipv6/sit.c:1860)
[   55.104880][ T1351]  ops_init (net/core/net_namespace.c:137)
[   55.104976][ T1351]  setup_net (net/core/net_namespace.c:446)
[   55.105071][ T1351]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.105200][ T1351]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.105324][ T1351]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.105453][ T1351]  copy_net_ns (net/core/net_namespace.c:579)
[   55.105580][ T1351]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.105712][ T1351]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.105837][ T1351]  ksys_unshare (kernel/fork.c:3243)
[   55.105962][ T1351]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.106087][ T1351]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.106215][ T1351]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.106341][ T1351]  ? __ia32_sys_open (fs/open.c:1374)
[   55.106466][ T1351]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.106594][ T1351]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.106724][ T1351]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.106849][ T1351]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.106973][ T1351]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.107100][ T1351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.107259][ T1351] RIP: 0033:0x7f9f4eb1ebcb
[   55.107391][ T1351] 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
[   55.107842][ T1351] RSP: 002b:00007ffd987f1718 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   55.108031][ T1351] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9f4eb1ebcb
[   55.108224][ T1351] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.108408][ T1351] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.108597][ T1351] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd987f3940
[   55.108786][ T1351] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd987f4887
| [   55.113725][ T1351] ------------[ cut here ]------------
| [   55.113856][ T1351] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1351
| [   55.114101][ T1351] Modules linked in: xfrm_user nf_tables
| [   55.114488][ T1351] Tainted: [W]=WARN
[   55.114586][ T1351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.114746][ T1351] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.114909][ T1351] 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
[   55.115363][ T1351] RSP: 0018:ffa0000001c67a78 EFLAGS: 00010286
[   55.115526][ T1351] RAX: 00000000ffffffa6 RBX: ff1100000a8f98c0 RCX: 1ff400000038cf15
[   55.115720][ T1351] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8f997c
[   55.115908][ T1351] RBP: ff1100000e4d1000 R08: 1fe220000151f331 R09: ff1100000fbf8b80
[   55.116094][ T1351] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.116288][ T1351] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e4d1000
[   55.116475][ T1351] FS:  00007f9f4e85c840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   55.116704][ T1351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.116861][ T1351] CR2: 00007ff1435dc2a0 CR3: 000000000f36f004 CR4: 0000000000771ef0
[   55.117048][ T1351] PKRU: 55555554
[   55.117142][ T1351] Call Trace:
[   55.117241][ T1351]  <TASK>
[   55.117306][ T1351]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.117433][ T1351]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.117562][ T1351]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.117664][ T1351]  register_netdevice (net/core/dev.c:11488)
[   55.117792][ T1351]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.117947][ T1351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.118076][ T1351]  register_netdev (net/core/dev.c:11552)
[   55.118207][ T1351]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   55.118334][ T1351]  ops_init (net/core/net_namespace.c:137)
[   55.118430][ T1351]  setup_net (net/core/net_namespace.c:446)
[   55.118531][ T1351]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.118714][ T1351]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.118841][ T1351]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.118969][ T1351]  copy_net_ns (net/core/net_namespace.c:579)
[   55.119096][ T1351]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.119229][ T1351]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.119356][ T1351]  ksys_unshare (kernel/fork.c:3243)
[   55.119483][ T1351]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.119610][ T1351]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.119773][ T1351]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.119899][ T1351]  ? __ia32_sys_open (fs/open.c:1374)
[   55.120028][ T1351]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.120153][ T1351]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.120286][ T1351]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.120413][ T1351]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.120543][ T1351]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.120721][ T1351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.120928][ T1351] RIP: 0033:0x7f9f4eb1ebcb
[   55.121059][ T1351] 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
[   55.121514][ T1351] RSP: 002b:00007ffd987f1718 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   55.121756][ T1351] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9f4eb1ebcb
[   55.121943][ T1351] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.122131][ T1351] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.122329][ T1351] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd987f3940
[   55.122517][ T1351] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd987f4887
| [   55.148360][ T1352] ------------[ cut here ]------------
| [   55.148544][ T1352] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1352
| [   55.149282][ T1352] Modules linked in: xfrm_user nf_tables
| [   55.149792][ T1352] Tainted: [W]=WARN
[   55.149938][ T1352] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.150146][ T1352] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.150374][ T1352] 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
[   55.150899][ T1352] RSP: 0018:ffa0000001c77020 EFLAGS: 00010286
[   55.151109][ T1352] RAX: 00000000ffffffa6 RBX: ff11000004f6b8c0 RCX: 1ff400000038edca
[   55.151359][ T1352] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004f6b97c
[   55.151606][ T1352] RBP: ff1100000f8bc000 R08: 1fe22000009ed731 R09: ff1100000fbfae58
[   55.151863][ T1352] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   55.152101][ T1352] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   55.152351][ T1352] FS:  00007f514edc9840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   55.152632][ T1352] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.152856][ T1352] CR2: 000000002cdde988 CR3: 0000000009c1a005 CR4: 0000000000771ef0
[   55.153097][ T1352] PKRU: 55555554
[   55.153246][ T1352] Call Trace:
[   55.153388][ T1352]  <TASK>
[   55.153505][ T1352]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.153704][ T1352]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.153852][ T1352]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   55.154028][ T1352]  __dev_notify_flags (net/core/dev.c:9787)
[   55.154216][ T1352]  ? netif_change_name (net/core/dev.c:1495)
[   55.154394][ T1352]  ? __dev_change_flags (net/core/dev.c:9752)
[   55.154581][ T1352]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   55.154766][ T1352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.154947][ T1352]  ? 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))
[   55.155128][ T1352]  netif_change_flags (net/core/dev.c:9820)
[   55.155313][ T1352]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   55.155491][ T1352]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   55.155690][ T1352]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   55.155869][ T1352]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   55.156082][ T1352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.156267][ T1352]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.156444][ T1352]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   55.156628][ T1352]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.156820][ T1352]  ? __kernel_text_address (kernel/extable.c:79)
[   55.156998][ T1352]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.157186][ T1352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.157366][ T1352]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   55.157551][ T1352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.157738][ T1352]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.157913][ T1352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.158087][ T1352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.158273][ T1352]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   55.158451][ T1352]  ? __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)
[   55.158637][ T1352]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   55.158832][ T1352]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   55.159013][ T1352]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   55.159199][ T1352]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   55.159381][ T1352]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   55.159568][ T1352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.159756][ T1352]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.159933][ T1352]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.160107][ T1352]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.160295][ T1352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.160475][ T1352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.160668][ T1352]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.160845][ T1352]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.161023][ T1352]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.161208][ T1352]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.161384][ T1352]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   55.161574][ T1352]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.161764][ T1352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.161941][ T1352]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.162152][ T1352]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.162336][ T1352]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.162518][ T1352]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   55.162708][ T1352]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.162886][ T1352]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.163071][ T1352]  ? 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))
[   55.163257][ T1352]  ? 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))
[   55.163437][ T1352]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.163624][ T1352]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.163815][ T1352]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.163994][ T1352]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   55.164179][ T1352]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   55.164358][ T1352]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   55.164548][ T1352]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   55.164737][ T1352]  ? copy_msghdr_from_user (net/socket.c:2635)
[   55.164914][ T1352]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   55.165121][ T1352]  ? move_addr_to_kernel (net/socket.c:258)
[   55.165311][ T1352]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.165489][ T1352]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.165688][ T1352]  ___sys_sendmsg (net/socket.c:2752)
[   55.165867][ T1352]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   55.166076][ T1352]  ? copy_msghdr_from_user (net/socket.c:2603)
[   55.166274][ T1352]  __sys_sendmsg (net/socket.c:2784)
[   55.166456][ T1352]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   55.166641][ T1352]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   55.166866][ T1352]  ? 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)
[   55.167044][ T1352]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.167236][ T1352]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.167413][ T1352]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.167597][ T1352]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.167789][ T1352]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.167997][ T1352] RIP: 0033:0x7f514f00308e
[   55.168186][ T1352] 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
[   55.168715][ T1352] RSP: 002b:00007fff98be6a20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.168957][ T1352] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f514f00308e
[   55.169205][ T1352] RDX: 0000000000000000 RSI: 00007fff98be6ad0 RDI: 0000000000000005
[   55.169446][ T1352] RBP: 00007fff98be6a30 R08: 0000000000000000 R09: 0000000000000000
[   55.169703][ T1352] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d861
[   55.169941][ T1352] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff98be71a0
| [   55.297562][ T1356] ------------[ cut here ]------------
| [   55.297723][ T1356] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1356
| [   55.297984][ T1356] Modules linked in: xfrm_user nf_tables
| [   55.298401][ T1356] Tainted: [W]=WARN
[   55.298502][ T1356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.298673][ T1356] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.298845][ T1356] 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
[   55.299316][ T1356] RSP: 0018:ffa0000001cb7a80 EFLAGS: 00010286
[   55.299481][ T1356] RAX: 00000000ffffffa6 RBX: ff1100000b59cc80 RCX: 1ff4000000396f16
[   55.299686][ T1356] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b59cd3c
[   55.299882][ T1356] RBP: ff1100000f819000 R08: 1fe22000016b39a9 R09: ff1100000eb2d180
[   55.300078][ T1356] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   55.300279][ T1356] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f819000
[   55.300479][ T1356] FS:  00007fdc5ad1e840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   55.300715][ T1356] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.300880][ T1356] CR2: 00007fdc5af1fc20 CR3: 000000000fd0a006 CR4: 0000000000771ef0
[   55.301079][ T1356] PKRU: 55555554
[   55.301182][ T1356] Call Trace:
[   55.301280][ T1356]  <TASK>
[   55.301349][ T1356]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.301480][ T1356]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.301614][ T1356]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.301720][ T1356]  register_netdevice (net/core/dev.c:11488)
[   55.301853][ T1356]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.302017][ T1356]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   55.302148][ T1356]  register_netdev (net/core/dev.c:11552)
[   55.302284][ T1356]  loopback_net_init (drivers/net/loopback.c:218)
[   55.302415][ T1356]  ops_init (net/core/net_namespace.c:137)
[   55.302517][ T1356]  setup_net (net/core/net_namespace.c:446)
[   55.302618][ T1356]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.302754][ T1356]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.302885][ T1356]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.303017][ T1356]  copy_net_ns (net/core/net_namespace.c:579)
[   55.303148][ T1356]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.303287][ T1356]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.303422][ T1356]  ksys_unshare (kernel/fork.c:3243)
[   55.303558][ T1356]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.303694][ T1356]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.303824][ T1356]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.303954][ T1356]  ? __ia32_sys_open (fs/open.c:1374)
[   55.304088][ T1356]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.304224][ T1356]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.304352][ T1356]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.304481][ T1356]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.304613][ T1356]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.304751][ T1356]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.304915][ T1356] RIP: 0033:0x7fdc5afe0bcb
[   55.305051][ T1356] 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
[   55.305517][ T1356] RSP: 002b:00007ffc315336a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.305721][ T1356] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdc5afe0bcb
[   55.305913][ T1356] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.306107][ T1356] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.306308][ T1356] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc315358d0
[   55.306505][ T1356] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc31537887
| [   55.310354][ T1356] ------------[ cut here ]------------
| [   55.310492][ T1356] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1356
| [   55.310907][ T1356] Modules linked in: xfrm_user nf_tables
| [   55.311307][ T1356] Tainted: [W]=WARN
[   55.311404][ T1356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.311569][ T1356] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.311742][ T1356] 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
[   55.312210][ T1356] RSP: 0018:ffa0000001cb7918 EFLAGS: 00010286
[   55.312372][ T1356] RAX: 00000000ffffffa6 RBX: ff11000004f6a040 RCX: 1ff4000000396ee9
[   55.312568][ T1356] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004f6a0fc
[   55.312765][ T1356] RBP: ff1100000fd6c000 R08: 1fe22000009ed421 R09: ff1100000eb2d180
[   55.312960][ T1356] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   55.313153][ T1356] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd6c000
[   55.313355][ T1356] FS:  00007fdc5ad1e840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   55.313588][ T1356] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.313754][ T1356] CR2: 00007fdc5af1fc20 CR3: 000000000fd0a006 CR4: 0000000000771ef0
[   55.313948][ T1356] PKRU: 55555554
[   55.314046][ T1356] Call Trace:
[   55.314143][ T1356]  <TASK>
[   55.314214][ T1356]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.314345][ T1356]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.314473][ T1356]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.314576][ T1356]  register_netdevice (net/core/dev.c:11488)
[   55.314711][ T1356]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.314872][ T1356]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   55.315004][ T1356]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   55.315132][ T1356]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   55.315266][ T1356]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   55.315396][ T1356]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   55.315530][ T1356]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   55.315665][ T1356]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   55.315795][ T1356]  ops_init (net/core/net_namespace.c:137)
[   55.315895][ T1356]  setup_net (net/core/net_namespace.c:446)
[   55.315994][ T1356]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.316121][ T1356]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.316255][ T1356]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.316385][ T1356]  copy_net_ns (net/core/net_namespace.c:579)
[   55.316517][ T1356]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.316649][ T1356]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.316785][ T1356]  ksys_unshare (kernel/fork.c:3243)
[   55.316917][ T1356]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.317046][ T1356]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.317181][ T1356]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.317312][ T1356]  ? __ia32_sys_open (fs/open.c:1374)
[   55.317444][ T1356]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.317575][ T1356]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.317710][ T1356]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.317838][ T1356]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.317967][ T1356]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.318097][ T1356]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.318262][ T1356] RIP: 0033:0x7fdc5afe0bcb
[   55.318395][ T1356] 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
[   55.318860][ T1356] RSP: 002b:00007ffc315336a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.319055][ T1356] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdc5afe0bcb
[   55.319252][ T1356] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.319444][ T1356] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.319640][ T1356] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc315358d0
[   55.319838][ T1356] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc31537887
| [   55.324020][ T1356] ------------[ cut here ]------------
| [   55.324158][ T1356] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1356
| [   55.324424][ T1356] Modules linked in: xfrm_user nf_tables
| [   55.324831][ T1356] Tainted: [W]=WARN
[   55.324929][ T1356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.325093][ T1356] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.325268][ T1356] 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
[   55.325738][ T1356] RSP: 0018:ffa0000001cb78f8 EFLAGS: 00010286
[   55.325902][ T1356] RAX: 00000000ffffffa6 RBX: ff1100000fee5a80 RCX: 1ff4000000396ee5
[   55.326098][ T1356] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fee5b3c
[   55.326298][ T1356] RBP: ff110000124ec000 R08: 1fe2200001fdcb69 R09: ff1100000eb2d180
[   55.326493][ T1356] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   55.326695][ T1356] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000124ec000
[   55.326893][ T1356] FS:  00007fdc5ad1e840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   55.327123][ T1356] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.327293][ T1356] CR2: 00007fdc5af1fc20 CR3: 000000000fd0a006 CR4: 0000000000771ef0
[   55.327489][ T1356] PKRU: 55555554
[   55.327589][ T1356] Call Trace:
[   55.327691][ T1356]  <TASK>
[   55.327758][ T1356]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.327891][ T1356]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.328022][ T1356]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.328121][ T1356]  register_netdevice (net/core/dev.c:11488)
[   55.328260][ T1356]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.328422][ T1356]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   55.328559][ T1356]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   55.328696][ T1356]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   55.328826][ T1356]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   55.328959][ T1356]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   55.329090][ T1356]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   55.329228][ T1356]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   55.329359][ T1356]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   55.329494][ T1356]  vti_init_net (net/ipv4/ip_vti.c:517)
[   55.329630][ T1356]  ops_init (net/core/net_namespace.c:137)
[   55.329735][ T1356]  setup_net (net/core/net_namespace.c:446)
[   55.329836][ T1356]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.329966][ T1356]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.330097][ T1356]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.330235][ T1356]  copy_net_ns (net/core/net_namespace.c:579)
[   55.330365][ T1356]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.330500][ T1356]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.330636][ T1356]  ksys_unshare (kernel/fork.c:3243)
[   55.330772][ T1356]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.330902][ T1356]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.331034][ T1356]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.331170][ T1356]  ? __ia32_sys_open (fs/open.c:1374)
[   55.331305][ T1356]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.331436][ T1356]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.331570][ T1356]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.331706][ T1356]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.331839][ T1356]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.331970][ T1356]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.332132][ T1356] RIP: 0033:0x7fdc5afe0bcb
[   55.332275][ T1356] 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
[   55.332747][ T1356] RSP: 002b:00007ffc315336a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.332944][ T1356] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdc5afe0bcb
[   55.333139][ T1356] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.333338][ T1356] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.333537][ T1356] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc315358d0
[   55.333735][ T1356] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc31537887
| [   55.338850][ T1356] ------------[ cut here ]------------
| [   55.338988][ T1356] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1356
| [   55.339251][ T1356] Modules linked in: xfrm_user nf_tables
| [   55.339660][ T1356] Tainted: [W]=WARN
[   55.339758][ T1356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.339918][ T1356] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.340086][ T1356] 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
[   55.340550][ T1356] RSP: 0018:ffa0000001cb7a78 EFLAGS: 00010286
[   55.340718][ T1356] RAX: 00000000ffffffa6 RBX: ff1100000ce10040 RCX: 1ff4000000396f15
[   55.340910][ T1356] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce100fc
[   55.341102][ T1356] RBP: ff11000012484000 R08: 1fe22000019c2021 R09: ff1100000eb2d180
[   55.341298][ T1356] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   55.341492][ T1356] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012484000
[   55.341695][ T1356] FS:  00007fdc5ad1e840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   55.341923][ T1356] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.342085][ T1356] CR2: 00007fdc5af1fc20 CR3: 000000000fd0a006 CR4: 0000000000771ef0
[   55.342286][ T1356] PKRU: 55555554
[   55.342382][ T1356] Call Trace:
[   55.342480][ T1356]  <TASK>
[   55.342548][ T1356]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.342684][ T1356]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.342812][ T1356]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.342910][ T1356]  register_netdevice (net/core/dev.c:11488)
[   55.343040][ T1356]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.343206][ T1356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.343337][ T1356]  register_netdev (net/core/dev.c:11552)
[   55.343465][ T1356]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   55.343600][ T1356]  ops_init (net/core/net_namespace.c:137)
[   55.343755][ T1356]  setup_net (net/core/net_namespace.c:446)
[   55.343854][ T1356]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.343982][ T1356]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.344111][ T1356]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.344247][ T1356]  copy_net_ns (net/core/net_namespace.c:579)
[   55.344378][ T1356]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.344512][ T1356]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.344642][ T1356]  ksys_unshare (kernel/fork.c:3243)
[   55.344826][ T1356]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.344955][ T1356]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.345084][ T1356]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.345218][ T1356]  ? __ia32_sys_open (fs/open.c:1374)
[   55.345347][ T1356]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.345476][ T1356]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.345608][ T1356]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.345791][ T1356]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.345921][ T1356]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.346049][ T1356]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.346214][ T1356] RIP: 0033:0x7fdc5afe0bcb
[   55.346347][ T1356] 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
[   55.346866][ T1356] RSP: 002b:00007ffc315336a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.347063][ T1356] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdc5afe0bcb
[   55.347260][ T1356] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.347450][ T1356] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.347641][ T1356] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc315358d0
[   55.347891][ T1356] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc31537887
| [   55.358924][ T1356] ------------[ cut here ]------------
| [   55.359069][ T1356] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1356
| [   55.359332][ T1356] Modules linked in: xfrm_user nf_tables
| [   55.359734][ T1356] Tainted: [W]=WARN
[   55.359832][ T1356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.359994][ T1356] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.360161][ T1356] 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
[   55.360628][ T1356] RSP: 0018:ffa0000001cb7a68 EFLAGS: 00010286
[   55.360794][ T1356] RAX: 00000000ffffffa6 RBX: ff110000027de900 RCX: 1ff4000000396f13
[   55.360987][ T1356] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000027de9bc
[   55.361184][ T1356] RBP: ff11000009929000 R08: 1fe22000004fbd39 R09: ff1100000eb2d180
[   55.361377][ T1356] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.361571][ T1356] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009929000
[   55.361771][ T1356] FS:  00007fdc5ad1e840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   55.361997][ T1356] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.362159][ T1356] CR2: 00007f9f4e929574 CR3: 000000000fd0a005 CR4: 0000000000771ef0
[   55.362359][ T1356] PKRU: 55555554
[   55.362456][ T1356] Call Trace:
[   55.362557][ T1356]  <TASK>
[   55.362624][ T1356]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.362760][ T1356]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.362889][ T1356]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.362988][ T1356]  register_netdevice (net/core/dev.c:11488)
[   55.363118][ T1356]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.363288][ T1356]  register_netdev (net/core/dev.c:11552)
[   55.363415][ T1356]  sit_init_net (net/ipv6/sit.c:1860)
[   55.363546][ T1356]  ops_init (net/core/net_namespace.c:137)
[   55.363645][ T1356]  setup_net (net/core/net_namespace.c:446)
[   55.363779][ T1356]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.363907][ T1356]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.364035][ T1356]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.364170][ T1356]  copy_net_ns (net/core/net_namespace.c:579)
[   55.364301][ T1356]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.364433][ T1356]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.364566][ T1356]  ksys_unshare (kernel/fork.c:3243)
[   55.364698][ T1356]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.364825][ T1356]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.364954][ T1356]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.365083][ T1356]  ? __ia32_sys_open (fs/open.c:1374)
[   55.365216][ T1356]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.365341][ T1356]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.365468][ T1356]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.365598][ T1356]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.365736][ T1356]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.365863][ T1356]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.366020][ T1356] RIP: 0033:0x7fdc5afe0bcb
[   55.366153][ T1356] 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
[   55.366615][ T1356] RSP: 002b:00007ffc315336a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.366814][ T1356] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdc5afe0bcb
[   55.367005][ T1356] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.367203][ T1356] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.367394][ T1356] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc315358d0
[   55.367589][ T1356] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc31537887
| [   55.372142][ T1356] ------------[ cut here ]------------
| [   55.372280][ T1356] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1356
| [   55.372541][ T1356] Modules linked in: xfrm_user nf_tables
| [   55.373442][ T1356] Tainted: [W]=WARN
[   55.373543][ T1356] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.373761][ T1356] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.373931][ T1356] 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
[   55.374398][ T1356] RSP: 0018:ffa0000001cb7a78 EFLAGS: 00010286
[   55.374566][ T1356] RAX: 00000000ffffffa6 RBX: ff110000124f5a80 RCX: 1ff4000000396f15
[   55.374818][ T1356] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000124f5b3c
[   55.375013][ T1356] RBP: ff11000014c19000 R08: 1fe220000249eb69 R09: ff1100000eb2d180
[   55.375211][ T1356] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   55.375404][ T1356] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014c19000
[   55.375602][ T1356] FS:  00007fdc5ad1e840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   55.375887][ T1356] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.376051][ T1356] CR2: 00007f9f4e929574 CR3: 000000000fd0a005 CR4: 0000000000771ef0
[   55.376252][ T1356] PKRU: 55555554
[   55.376349][ T1356] Call Trace:
[   55.376446][ T1356]  <TASK>
[   55.376515][ T1356]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.376647][ T1356]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.376832][ T1356]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.376933][ T1356]  register_netdevice (net/core/dev.c:11488)
[   55.377066][ T1356]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.377234][ T1356]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.377366][ T1356]  register_netdev (net/core/dev.c:11552)
[   55.377496][ T1356]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   55.377632][ T1356]  ops_init (net/core/net_namespace.c:137)
[   55.377784][ T1356]  setup_net (net/core/net_namespace.c:446)
[   55.377884][ T1356]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.378013][ T1356]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.378142][ T1356]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.378278][ T1356]  copy_net_ns (net/core/net_namespace.c:579)
[   55.378407][ T1356]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.378544][ T1356]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.378729][ T1356]  ksys_unshare (kernel/fork.c:3243)
[   55.378859][ T1356]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.378987][ T1356]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.379116][ T1356]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.379252][ T1356]  ? __ia32_sys_open (fs/open.c:1374)
[   55.379384][ T1356]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.379516][ T1356]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.379645][ T1356]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.379810][ T1356]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.379938][ T1356]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.380068][ T1356]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.380234][ T1356] RIP: 0033:0x7fdc5afe0bcb
[   55.380369][ T1356] 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
[   55.380840][ T1356] RSP: 002b:00007ffc315336a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.381036][ T1356] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdc5afe0bcb
[   55.381231][ T1356] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.381425][ T1356] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.381621][ T1356] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc315358d0
[   55.381825][ T1356] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc31537887
| [   55.407202][ T1357] ------------[ cut here ]------------
| [   55.407380][ T1357] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1357
| [   55.407995][ T1357] Modules linked in: xfrm_user nf_tables
| [   55.408490][ T1357] Tainted: [W]=WARN
[   55.408643][ T1357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.408868][ T1357] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.409083][ T1357] 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
[   55.409601][ T1357] RSP: 0018:ffa0000001cc7020 EFLAGS: 00010286
[   55.409828][ T1357] RAX: 00000000ffffffa6 RBX: ff11000010b84ac0 RCX: 1ff4000000398dca
[   55.410070][ T1357] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010b84b7c
[   55.410320][ T1357] RBP: ff1100000f819000 R08: 1fe2200002170971 R09: ff11000008fbd158
[   55.410568][ T1357] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   55.410826][ T1357] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   55.411069][ T1357] FS:  00007f48b51fb840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   55.411353][ T1357] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.411571][ T1357] CR2: 0000000014049988 CR3: 000000000f0bf003 CR4: 0000000000771ef0
[   55.411827][ T1357] PKRU: 55555554
[   55.411973][ T1357] Call Trace:
[   55.412116][ T1357]  <TASK>
[   55.412239][ T1357]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.412418][ T1357]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.412574][ T1357]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   55.412762][ T1357]  __dev_notify_flags (net/core/dev.c:9787)
[   55.412942][ T1357]  ? netif_change_name (net/core/dev.c:1495)
[   55.413119][ T1357]  ? __dev_change_flags (net/core/dev.c:9752)
[   55.413309][ T1357]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   55.413487][ T1357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.413683][ T1357]  ? 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))
[   55.413861][ T1357]  netif_change_flags (net/core/dev.c:9820)
[   55.414039][ T1357]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   55.414225][ T1357]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   55.414408][ T1357]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   55.414598][ T1357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   55.414820][ T1357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.414997][ T1357]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.415179][ T1357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   55.415356][ T1357]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.415535][ T1357]  ? __kernel_text_address (kernel/extable.c:79)
[   55.415728][ T1357]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.415907][ T1357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.416082][ T1357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   55.416268][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.416448][ T1357]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.416630][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.416818][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.416994][ T1357]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   55.417180][ T1357]  ? __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)
[   55.417356][ T1357]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   55.417537][ T1357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   55.417727][ T1357]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   55.417906][ T1357]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   55.418086][ T1357]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   55.418274][ T1357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.418451][ T1357]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.418638][ T1357]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.418826][ T1357]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.419002][ T1357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.419188][ T1357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.419363][ T1357]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.419546][ T1357]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.419736][ T1357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.419918][ T1357]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.420095][ T1357]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   55.420279][ T1357]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.420456][ T1357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.420640][ T1357]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.420829][ T1357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.421004][ T1357]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.421188][ T1357]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   55.421367][ T1357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.421551][ T1357]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.421743][ T1357]  ? 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))
[   55.421919][ T1357]  ? 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))
[   55.422097][ T1357]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.422279][ T1357]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.422456][ T1357]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.422643][ T1357]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   55.422837][ T1357]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   55.423014][ T1357]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   55.423201][ T1357]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   55.423379][ T1357]  ? copy_msghdr_from_user (net/socket.c:2635)
[   55.423564][ T1357]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   55.423783][ T1357]  ? move_addr_to_kernel (net/socket.c:258)
[   55.423961][ T1357]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.424140][ T1357]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.424327][ T1357]  ___sys_sendmsg (net/socket.c:2752)
[   55.424503][ T1357]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   55.424731][ T1357]  ? copy_msghdr_from_user (net/socket.c:2603)
[   55.424920][ T1357]  __sys_sendmsg (net/socket.c:2784)
[   55.425098][ T1357]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   55.425277][ T1357]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   55.425491][ T1357]  ? 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)
[   55.425689][ T1357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.425867][ T1357]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.426042][ T1357]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.426228][ T1357]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.426404][ T1357]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.426617][ T1357] RIP: 0033:0x7f48b543508e
[   55.426809][ T1357] 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
[   55.427320][ T1357] RSP: 002b:00007fff35aee830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.427567][ T1357] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f48b543508e
[   55.427820][ T1357] RDX: 0000000000000000 RSI: 00007fff35aee8e0 RDI: 0000000000000005
[   55.428057][ T1357] RBP: 00007fff35aee840 R08: 0000000000000000 R09: 0000000000000000
[   55.428303][ T1357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d861
[   55.428548][ T1357] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff35aeefb0
| [   55.549965][ T1361] ------------[ cut here ]------------
| [   55.550116][ T1361] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1361
| [   55.550380][ T1361] Modules linked in: xfrm_user nf_tables
| [   55.550790][ T1361] Tainted: [W]=WARN
[   55.550890][ T1361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.551053][ T1361] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.551229][ T1361] 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
[   55.551701][ T1361] RSP: 0018:ffa0000001d07a80 EFLAGS: 00010286
[   55.551865][ T1361] RAX: 00000000ffffffa6 RBX: ff1100000d68f8c0 RCX: 1ff40000003a0f16
[   55.552059][ T1361] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68f97c
[   55.552262][ T1361] RBP: ff11000009711000 R08: 1fe2200001ad1f31 R09: ff1100000f255180
[   55.552457][ T1361] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   55.552662][ T1361] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009711000
[   55.552861][ T1361] FS:  00007f5196dfc840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   55.553091][ T1361] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.553261][ T1361] CR2: 00007f5196ffdc20 CR3: 000000000f997006 CR4: 0000000000771ef0
[   55.553456][ T1361] PKRU: 55555554
[   55.553560][ T1361] Call Trace:
[   55.553662][ T1361]  <TASK>
[   55.553730][ T1361]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.553862][ T1361]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.553994][ T1361]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.554094][ T1361]  register_netdevice (net/core/dev.c:11488)
[   55.554234][ T1361]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.554399][ T1361]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   55.554538][ T1361]  register_netdev (net/core/dev.c:11552)
[   55.554675][ T1361]  loopback_net_init (drivers/net/loopback.c:218)
[   55.554809][ T1361]  ops_init (net/core/net_namespace.c:137)
[   55.554909][ T1361]  setup_net (net/core/net_namespace.c:446)
[   55.555009][ T1361]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.555138][ T1361]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.555275][ T1361]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.555408][ T1361]  copy_net_ns (net/core/net_namespace.c:579)
[   55.555544][ T1361]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.555685][ T1361]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.555817][ T1361]  ksys_unshare (kernel/fork.c:3243)
[   55.555947][ T1361]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.556078][ T1361]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.556212][ T1361]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.556344][ T1361]  ? __ia32_sys_open (fs/open.c:1374)
[   55.556477][ T1361]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.556611][ T1361]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.556745][ T1361]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.556875][ T1361]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.557004][ T1361]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.557135][ T1361]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.557301][ T1361] RIP: 0033:0x7f51970bebcb
[   55.557437][ T1361] 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
[   55.557927][ T1361] RSP: 002b:00007fffc709de48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   55.558122][ T1361] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f51970bebcb
[   55.558322][ T1361] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.558518][ T1361] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.558717][ T1361] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffc70a0070
[   55.558913][ T1361] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffc70a1887
| [   55.563121][ T1361] ------------[ cut here ]------------
| [   55.563264][ T1361] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1361
| [   55.563527][ T1361] Modules linked in: xfrm_user nf_tables
| [   55.563930][ T1361] Tainted: [W]=WARN
[   55.564027][ T1361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.564195][ T1361] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.564363][ T1361] 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
[   55.564831][ T1361] RSP: 0018:ffa0000001d07918 EFLAGS: 00010286
[   55.564993][ T1361] RAX: 00000000ffffffa6 RBX: ff1100000bbea040 RCX: 1ff40000003a0ee9
[   55.565190][ T1361] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbea0fc
[   55.565382][ T1361] RBP: ff11000014c14000 R08: 1fe220000177d421 R09: ff1100000f255180
[   55.565578][ T1361] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   55.565777][ T1361] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014c14000
[   55.565971][ T1361] FS:  00007f5196dfc840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   55.566204][ T1361] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.566366][ T1361] CR2: 00007f5196ffdc20 CR3: 000000000f997006 CR4: 0000000000771ef0
[   55.566567][ T1361] PKRU: 55555554
[   55.566667][ T1361] Call Trace:
[   55.566764][ T1361]  <TASK>
[   55.566831][ T1361]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.566961][ T1361]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.567090][ T1361]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.567195][ T1361]  register_netdevice (net/core/dev.c:11488)
[   55.567327][ T1361]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.567488][ T1361]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   55.567623][ T1361]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   55.567762][ T1361]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   55.567891][ T1361]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   55.568022][ T1361]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   55.568151][ T1361]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   55.568287][ T1361]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   55.568418][ T1361]  ops_init (net/core/net_namespace.c:137)
[   55.568518][ T1361]  setup_net (net/core/net_namespace.c:446)
[   55.568616][ T1361]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.568750][ T1361]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.568878][ T1361]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.569010][ T1361]  copy_net_ns (net/core/net_namespace.c:579)
[   55.569141][ T1361]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.569279][ T1361]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.569410][ T1361]  ksys_unshare (kernel/fork.c:3243)
[   55.569544][ T1361]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.569679][ T1361]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.569808][ T1361]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.569939][ T1361]  ? __ia32_sys_open (fs/open.c:1374)
[   55.570071][ T1361]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.570206][ T1361]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.570335][ T1361]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.570464][ T1361]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.570597][ T1361]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.570730][ T1361]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.570890][ T1361] RIP: 0033:0x7f51970bebcb
[   55.571025][ T1361] 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
[   55.571494][ T1361] RSP: 002b:00007fffc709de48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   55.571696][ T1361] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f51970bebcb
[   55.571889][ T1361] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.572083][ T1361] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.572278][ T1361] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffc70a0070
[   55.572469][ T1361] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffc70a1887
| [   55.576249][ T1361] ------------[ cut here ]------------
| [   55.576383][ T1361] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1361
| [   55.576641][ T1361] Modules linked in: xfrm_user nf_tables
| [   55.577049][ T1361] Tainted: [W]=WARN
[   55.577149][ T1361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.577319][ T1361] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.577488][ T1361] 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
[   55.577961][ T1361] RSP: 0018:ffa0000001d078f8 EFLAGS: 00010286
[   55.578126][ T1361] RAX: 00000000ffffffa6 RBX: ff1100000fc8c580 RCX: 1ff40000003a0ee5
[   55.578328][ T1361] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc8c63c
[   55.578528][ T1361] RBP: ff1100000c84c000 R08: 1fe2200001f918c9 R09: ff1100000f255180
[   55.578728][ T1361] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   55.578924][ T1361] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c84c000
[   55.579121][ T1361] FS:  00007f5196dfc840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   55.579357][ T1361] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.579526][ T1361] CR2: 00007f5196ffdc20 CR3: 000000000f997006 CR4: 0000000000771ef0
[   55.579730][ T1361] PKRU: 55555554
[   55.579828][ T1361] Call Trace:
[   55.579927][ T1361]  <TASK>
[   55.579995][ T1361]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.580126][ T1361]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.580265][ T1361]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.580366][ T1361]  register_netdevice (net/core/dev.c:11488)
[   55.580503][ T1361]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.580674][ T1361]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   55.580806][ T1361]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   55.580937][ T1361]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   55.581069][ T1361]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   55.581208][ T1361]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   55.581340][ T1361]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   55.581474][ T1361]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   55.581609][ T1361]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   55.581747][ T1361]  vti_init_net (net/ipv4/ip_vti.c:517)
[   55.581879][ T1361]  ops_init (net/core/net_namespace.c:137)
[   55.581980][ T1361]  setup_net (net/core/net_namespace.c:446)
[   55.582080][ T1361]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.582215][ T1361]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.582348][ T1361]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.582483][ T1361]  copy_net_ns (net/core/net_namespace.c:579)
[   55.582618][ T1361]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.582757][ T1361]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.582888][ T1361]  ksys_unshare (kernel/fork.c:3243)
[   55.583020][ T1361]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.583153][ T1361]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.583287][ T1361]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.583420][ T1361]  ? __ia32_sys_open (fs/open.c:1374)
[   55.583555][ T1361]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.583691][ T1361]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.583824][ T1361]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.583955][ T1361]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.584088][ T1361]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.584315][ T1361]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.584477][ T1361] RIP: 0033:0x7f51970bebcb
[   55.584616][ T1361] 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
[   55.585180][ T1361] RSP: 002b:00007fffc709de48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   55.585377][ T1361] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f51970bebcb
[   55.585671][ T1361] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.585866][ T1361] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.586153][ T1361] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffc70a0070
[   55.586354][ T1361] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffc70a1887
| [   55.590811][ T1361] ------------[ cut here ]------------
| [   55.591033][ T1361] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1361
| [   55.591298][ T1361] Modules linked in: xfrm_user nf_tables
| [   55.591790][ T1361] Tainted: [W]=WARN
[   55.591889][ T1361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.592053][ T1361] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.592325][ T1361] 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
[   55.592889][ T1361] RSP: 0018:ffa0000001d07a78 EFLAGS: 00010286
[   55.593055][ T1361] RAX: 00000000ffffffa6 RBX: ff1100000d0923c0 RCX: 1ff40000003a0f15
[   55.593255][ T1361] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d09247c
[   55.593541][ T1361] RBP: ff11000009a14000 R08: 1fe2200001a12491 R09: ff1100000f255180
[   55.593740][ T1361] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   55.593933][ T1361] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009a14000
[   55.594225][ T1361] FS:  00007f5196dfc840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   55.594455][ T1361] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.594622][ T1361] CR2: 00007f5196ffdc20 CR3: 000000000f997006 CR4: 0000000000771ef0
[   55.594914][ T1361] PKRU: 55555554
[   55.595014][ T1361] Call Trace:
[   55.595111][ T1361]  <TASK>
[   55.595182][ T1361]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.595402][ T1361]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.595536][ T1361]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.595634][ T1361]  register_netdevice (net/core/dev.c:11488)
[   55.595772][ T1361]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.596021][ T1361]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.596153][ T1361]  register_netdev (net/core/dev.c:11552)
[   55.596288][ T1361]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   55.596419][ T1361]  ops_init (net/core/net_namespace.c:137)
[   55.596606][ T1361]  setup_net (net/core/net_namespace.c:446)
[   55.596710][ T1361]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.596840][ T1361]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.596970][ T1361]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.597101][ T1361]  copy_net_ns (net/core/net_namespace.c:579)
[   55.597322][ T1361]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.597456][ T1361]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.597592][ T1361]  ksys_unshare (kernel/fork.c:3243)
[   55.597812][ T1361]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.597943][ T1361]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.598074][ T1361]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.598209][ T1361]  ? __ia32_sys_open (fs/open.c:1374)
[   55.598340][ T1361]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.598561][ T1361]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.598696][ T1361]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.598826][ T1361]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.598955][ T1361]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.599175][ T1361]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.599336][ T1361] RIP: 0033:0x7f51970bebcb
[   55.599471][ T1361] 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
[   55.600033][ T1361] RSP: 002b:00007fffc709de48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   55.600321][ T1361] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f51970bebcb
[   55.600515][ T1361] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.600715][ T1361] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.600997][ T1361] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffc70a0070
[   55.601196][ T1361] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffc70a1887
| [   55.605544][ T1361] ------------[ cut here ]------------
| [   55.606253][ T1361] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1361
| [   55.606516][ T1361] Modules linked in: xfrm_user nf_tables
| [   55.606918][ T1361] Tainted: [W]=WARN
[   55.607016][ T1361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.607183][ T1361] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.607351][ T1361] 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
[   55.607829][ T1361] RSP: 0018:ffa0000001d07a68 EFLAGS: 00010286
[   55.607993][ T1361] RAX: 00000000ffffffa6 RBX: ff1100000d0931c0 RCX: 1ff40000003a0f13
[   55.608192][ T1361] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d09327c
[   55.608388][ T1361] RBP: ff1100000e701000 R08: 1fe2200001a12651 R09: ff1100000f255180
[   55.608586][ T1361] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   55.608784][ T1361] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e701000
[   55.609067][ T1361] FS:  00007f5196dfc840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   55.609298][ T1361] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.609550][ T1361] CR2: 00007f5196ffdc20 CR3: 000000000f997006 CR4: 0000000000771ef0
[   55.609756][ T1361] PKRU: 55555554
[   55.609855][ T1361] Call Trace:
[   55.609952][ T1361]  <TASK>
[   55.610018][ T1361]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.610242][ T1361]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.610371][ T1361]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.610470][ T1361]  register_netdevice (net/core/dev.c:11488)
[   55.610604][ T1361]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.610777][ T1361]  register_netdev (net/core/dev.c:11552)
[   55.610906][ T1361]  sit_init_net (net/ipv6/sit.c:1860)
[   55.611037][ T1361]  ops_init (net/core/net_namespace.c:137)
[   55.611136][ T1361]  setup_net (net/core/net_namespace.c:446)
[   55.611326][ T1361]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.611455][ T1361]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.611590][ T1361]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.611727][ T1361]  copy_net_ns (net/core/net_namespace.c:579)
[   55.611942][ T1361]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.612075][ T1361]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.612211][ T1361]  ksys_unshare (kernel/fork.c:3243)
[   55.612340][ T1361]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.612558][ T1361]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.612695][ T1361]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.612827][ T1361]  ? __ia32_sys_open (fs/open.c:1374)
[   55.612959][ T1361]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.613179][ T1361]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.613309][ T1361]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.613438][ T1361]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.613574][ T1361]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.613708][ T1361]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.613867][ T1361] RIP: 0033:0x7f51970bebcb
[   55.614004][ T1361] 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
[   55.614571][ T1361] RSP: 002b:00007fffc709de48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   55.614772][ T1361] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f51970bebcb
[   55.615056][ T1361] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.615252][ T1361] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.615443][ T1361] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffc70a0070
[   55.615730][ T1361] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffc70a1887
| [   55.620688][ T1361] ------------[ cut here ]------------
| [   55.620825][ T1361] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1361
| [   55.621084][ T1361] Modules linked in: xfrm_user nf_tables
| [   55.621575][ T1361] Tainted: [W]=WARN
[   55.621679][ T1361] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.621932][ T1361] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.622099][ T1361] 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
[   55.622665][ T1361] RSP: 0018:ffa0000001d07a78 EFLAGS: 00010286
[   55.622831][ T1361] RAX: 00000000ffffffa6 RBX: ff1100000b43f000 RCX: 1ff40000003a0f15
[   55.623113][ T1361] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b43f0bc
[   55.623313][ T1361] RBP: ff11000012bf4000 R08: 1fe2200001687e19 R09: ff1100000f255180
[   55.623512][ T1361] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   55.623800][ T1361] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012bf4000
[   55.623997][ T1361] FS:  00007f5196dfc840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   55.624322][ T1361] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.624485][ T1361] CR2: 00007f5196ffdc20 CR3: 000000000f997006 CR4: 0000000000771ef0
[   55.624688][ T1361] PKRU: 55555554
[   55.624786][ T1361] Call Trace:
[   55.624969][ T1361]  <TASK>
[   55.625035][ T1361]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.625172][ T1361]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.625306][ T1361]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.625405][ T1361]  register_netdevice (net/core/dev.c:11488)
[   55.625627][ T1361]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.625790][ T1361]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.625922][ T1361]  register_netdev (net/core/dev.c:11552)
[   55.626052][ T1361]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   55.626310][ T1361]  ops_init (net/core/net_namespace.c:137)
[   55.626412][ T1361]  setup_net (net/core/net_namespace.c:446)
[   55.626512][ T1361]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.626641][ T1361]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.626884][ T1361]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.627017][ T1361]  copy_net_ns (net/core/net_namespace.c:579)
[   55.627147][ T1361]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.627285][ T1361]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.627509][ T1361]  ksys_unshare (kernel/fork.c:3243)
[   55.627639][ T1361]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.627775][ T1361]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.627904][ T1361]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.628120][ T1361]  ? __ia32_sys_open (fs/open.c:1374)
[   55.628258][ T1361]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.628388][ T1361]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.628525][ T1361]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.628744][ T1361]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.628874][ T1361]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.629004][ T1361]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.629170][ T1361] RIP: 0033:0x7f51970bebcb
[   55.629398][ T1361] 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
[   55.629960][ T1361] RSP: 002b:00007fffc709de48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   55.630158][ T1361] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f51970bebcb
[   55.630358][ T1361] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.630645][ T1361] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.630846][ T1361] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffc70a0070
[   55.631041][ T1361] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffc70a1887
| [   55.679771][ T1362] ------------[ cut here ]------------
| [   55.679950][ T1362] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1362
| [   55.680268][ T1362] Modules linked in: xfrm_user nf_tables
| [   55.680779][ T1362] Tainted: [W]=WARN
[   55.680925][ T1362] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.681135][ T1362] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.681360][ T1362] 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
[   55.681890][ T1362] RSP: 0018:ffa0000001d17020 EFLAGS: 00010286
[   55.682100][ T1362] RAX: 00000000ffffffa6 RBX: ff11000013be4ac0 RCX: 1ff40000003a2dca
[   55.682347][ T1362] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013be4b7c
[   55.682594][ T1362] RBP: ff11000009711000 R08: 1fe220000277c971 R09: ff110000100d8b58
[   55.682847][ T1362] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   55.683088][ T1362] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   55.683339][ T1362] FS:  00007f5403746840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   55.683622][ T1362] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.683844][ T1362] CR2: 00000000116e2988 CR3: 0000000009587005 CR4: 0000000000771ef0
[   55.684086][ T1362] PKRU: 55555554
[   55.684238][ T1362] Call Trace:
[   55.684385][ T1362]  <TASK>
[   55.684503][ T1362]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.684700][ T1362]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.684848][ T1362]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   55.685024][ T1362]  __dev_notify_flags (net/core/dev.c:9787)
[   55.685215][ T1362]  ? netif_change_name (net/core/dev.c:1495)
[   55.685393][ T1362]  ? __dev_change_flags (net/core/dev.c:9752)
[   55.685581][ T1362]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   55.685768][ T1362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.685946][ T1362]  ? 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))
[   55.686128][ T1362]  netif_change_flags (net/core/dev.c:9820)
[   55.686315][ T1362]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   55.686494][ T1362]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   55.686694][ T1362]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   55.686874][ T1362]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   55.687083][ T1362]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.687270][ T1362]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.687447][ T1362]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   55.687632][ T1362]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.687824][ T1362]  ? __kernel_text_address (kernel/extable.c:79)
[   55.688003][ T1362]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.688190][ T1362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.688367][ T1362]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   55.688551][ T1362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.688740][ T1362]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.688915][ T1362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.689092][ T1362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.689278][ T1362]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   55.689454][ T1362]  ? __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)
[   55.689640][ T1362]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   55.689832][ T1362]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   55.690011][ T1362]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   55.690197][ T1362]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   55.690379][ T1362]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   55.690567][ T1362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.690755][ T1362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.690932][ T1362]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.691109][ T1362]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.691296][ T1362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.691479][ T1362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.691672][ T1362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.691849][ T1362]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.692025][ T1362]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.692212][ T1362]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.692390][ T1362]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   55.692576][ T1362]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.692766][ T1362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.692942][ T1362]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.693122][ T1362]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.693306][ T1362]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.693485][ T1362]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   55.693683][ T1362]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.693861][ T1362]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.694041][ T1362]  ? 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))
[   55.694224][ T1362]  ? 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))
[   55.694409][ T1362]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.694598][ T1362]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.694788][ T1362]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.694968][ T1362]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   55.695148][ T1362]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   55.695337][ T1362]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   55.695521][ T1362]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   55.695714][ T1362]  ? copy_msghdr_from_user (net/socket.c:2635)
[   55.695892][ T1362]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   55.696100][ T1362]  ? move_addr_to_kernel (net/socket.c:258)
[   55.696286][ T1362]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.696468][ T1362]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.696666][ T1362]  ___sys_sendmsg (net/socket.c:2752)
[   55.696843][ T1362]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   55.697052][ T1362]  ? copy_msghdr_from_user (net/socket.c:2603)
[   55.697251][ T1362]  __sys_sendmsg (net/socket.c:2784)
[   55.697432][ T1362]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   55.697616][ T1362]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   55.697838][ T1362]  ? 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)
[   55.698016][ T1362]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.698202][ T1362]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.698378][ T1362]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.698561][ T1362]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.698754][ T1362]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.698961][ T1362] RIP: 0033:0x7f540398008e
[   55.699145][ T1362] 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
[   55.699676][ T1362] RSP: 002b:00007ffdf8d8b9f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.699917][ T1362] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f540398008e
[   55.700155][ T1362] RDX: 0000000000000000 RSI: 00007ffdf8d8baa0 RDI: 0000000000000005
[   55.700401][ T1362] RBP: 00007ffdf8d8ba00 R08: 0000000000000000 R09: 0000000000000000
[   55.700647][ T1362] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d861
[   55.700899][ T1362] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf8d8c170
| [   55.822921][ T1366] ------------[ cut here ]------------
| [   55.823104][ T1366] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1366
| [   55.823419][ T1366] Modules linked in: xfrm_user nf_tables
| [   55.824400][ T1366] Tainted: [W]=WARN
[   55.824550][ T1366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.824769][ T1366] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.824987][ T1366] 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
[   55.825513][ T1366] RSP: 0018:ffa0000001d57a80 EFLAGS: 00010286
[   55.825743][ T1366] RAX: 00000000ffffffa6 RBX: ff1100000a953700 RCX: 1ff40000003aaf16
[   55.825984][ T1366] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9537bc
[   55.826235][ T1366] RBP: ff1100000aa14000 R08: 1fe220000152a6f9 R09: ff11000013bf0b80
[   55.826475][ T1366] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.826735][ T1366] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000aa14000
[   55.826979][ T1366] FS:  00007f29d3203840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   55.827266][ T1366] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.827477][ T1366] CR2: 00007f29d340a430 CR3: 000000000d41a001 CR4: 0000000000771ef0
[   55.827734][ T1366] PKRU: 55555554
[   55.827883][ T1366] Call Trace:
[   55.828028][ T1366]  <TASK>
[   55.828143][ T1366]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.828331][ T1366]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.828512][ T1366]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.828676][ T1366]  register_netdevice (net/core/dev.c:11488)
[   55.828856][ T1366]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.829066][ T1366]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   55.829258][ T1366]  register_netdev (net/core/dev.c:11552)
[   55.829441][ T1366]  loopback_net_init (drivers/net/loopback.c:218)
[   55.829628][ T1366]  ops_init (net/core/net_namespace.c:137)
[   55.829789][ T1366]  setup_net (net/core/net_namespace.c:446)
[   55.829937][ T1366]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.830112][ T1366]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.830304][ T1366]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.830489][ T1366]  copy_net_ns (net/core/net_namespace.c:579)
[   55.830690][ T1366]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.830870][ T1366]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.831049][ T1366]  ksys_unshare (kernel/fork.c:3243)
[   55.831235][ T1366]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.831415][ T1366]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.831602][ T1366]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.831797][ T1366]  ? __ia32_sys_open (fs/open.c:1374)
[   55.831978][ T1366]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.832154][ T1366]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.832341][ T1366]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.832523][ T1366]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.832715][ T1366]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.832894][ T1366]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.833102][ T1366] RIP: 0033:0x7f29d34c5bcb
[   55.833297][ T1366] 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
[   55.833826][ T1366] RSP: 002b:00007fffdf2a9a58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.834070][ T1366] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f29d34c5bcb
[   55.834324][ T1366] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.834575][ T1366] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.834827][ T1366] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffdf2abc80
[   55.835069][ T1366] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffdf2ad888
| [   55.839733][ T1366] ------------[ cut here ]------------
| [   55.839910][ T1366] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1366
| [   55.840224][ T1366] Modules linked in: xfrm_user nf_tables
| [   55.840735][ T1366] Tainted: [W]=WARN
[   55.840880][ T1366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.841089][ T1366] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.841314][ T1366] 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
[   55.841842][ T1366] RSP: 0018:ffa0000001d57918 EFLAGS: 00010286
[   55.842053][ T1366] RAX: 00000000ffffffa6 RBX: ff110000120ee200 RCX: 1ff40000003aaee9
[   55.842302][ T1366] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000120ee2bc
[   55.842553][ T1366] RBP: ff11000013a61000 R08: 1fe220000241dc59 R09: ff11000013bf0b80
[   55.842807][ T1366] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.843046][ T1366] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013a61000
[   55.843298][ T1366] FS:  00007f29d3203840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   55.843582][ T1366] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.843803][ T1366] CR2: 00007f29d340a430 CR3: 000000000d41a001 CR4: 0000000000771ef0
[   55.844046][ T1366] PKRU: 55555554
[   55.844198][ T1366] Call Trace:
[   55.844343][ T1366]  <TASK>
[   55.844457][ T1366]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.844647][ T1366]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.844843][ T1366]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.844991][ T1366]  register_netdevice (net/core/dev.c:11488)
[   55.845178][ T1366]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.845389][ T1366]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   55.845578][ T1366]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   55.845768][ T1366]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   55.845950][ T1366]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   55.846129][ T1366]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   55.846316][ T1366]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   55.846494][ T1366]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   55.846693][ T1366]  ops_init (net/core/net_namespace.c:137)
[   55.846842][ T1366]  setup_net (net/core/net_namespace.c:446)
[   55.846988][ T1366]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.847162][ T1366]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.847353][ T1366]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.847535][ T1366]  copy_net_ns (net/core/net_namespace.c:579)
[   55.847726][ T1366]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.847907][ T1366]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.848084][ T1366]  ksys_unshare (kernel/fork.c:3243)
[   55.848270][ T1366]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.848447][ T1366]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.848637][ T1366]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.848828][ T1366]  ? __ia32_sys_open (fs/open.c:1374)
[   55.849007][ T1366]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.849192][ T1366]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.849369][ T1366]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.849552][ T1366]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.849743][ T1366]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.849923][ T1366]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.850132][ T1366] RIP: 0033:0x7f29d34c5bcb
[   55.850319][ T1366] 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
[   55.850844][ T1366] RSP: 002b:00007fffdf2a9a58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.851088][ T1366] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f29d34c5bcb
[   55.851335][ T1366] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.851581][ T1366] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.851829][ T1366] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffdf2abc80
[   55.852068][ T1366] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffdf2ad888
| [   55.862361][ T1366] ------------[ cut here ]------------
| [   55.862545][ T1366] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1366
| [   55.862861][ T1366] Modules linked in: xfrm_user nf_tables
| [   55.863362][ T1366] Tainted: [W]=WARN
[   55.863511][ T1366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.863738][ T1366] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.863958][ T1366] 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
[   55.864478][ T1366] RSP: 0018:ffa0000001d578f8 EFLAGS: 00010286
[   55.864706][ T1366] RAX: 00000000ffffffa6 RBX: ff1100000e418040 RCX: 1ff40000003aaee5
[   55.864949][ T1366] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4180fc
[   55.865202][ T1366] RBP: ff11000009b71000 R08: 1fe2200001c83021 R09: ff11000013bf0b80
[   55.865445][ T1366] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.865704][ T1366] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b71000
[   55.865949][ T1366] FS:  00007f29d3203840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   55.866239][ T1366] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.866451][ T1366] CR2: 00007f29d340a430 CR3: 000000000d41a001 CR4: 0000000000771ef0
[   55.866717][ T1366] PKRU: 55555554
[   55.866864][ T1366] Call Trace:
[   55.867009][ T1366]  <TASK>
[   55.867125][ T1366]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.867314][ T1366]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.867502][ T1366]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.867670][ T1366]  register_netdevice (net/core/dev.c:11488)
[   55.867852][ T1366]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.868065][ T1366]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   55.868251][ T1366]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   55.868430][ T1366]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   55.868617][ T1366]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   55.868813][ T1366]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   55.868994][ T1366]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   55.869183][ T1366]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   55.869364][ T1366]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   55.869552][ T1366]  vti_init_net (net/ipv4/ip_vti.c:517)
[   55.869744][ T1366]  ops_init (net/core/net_namespace.c:137)
[   55.869893][ T1366]  setup_net (net/core/net_namespace.c:446)
[   55.870041][ T1366]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.870230][ T1366]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.870411][ T1366]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.870599][ T1366]  copy_net_ns (net/core/net_namespace.c:579)
[   55.870797][ T1366]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.870980][ T1366]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.871161][ T1366]  ksys_unshare (kernel/fork.c:3243)
[   55.871349][ T1366]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.871533][ T1366]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.871726][ T1366]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.871908][ T1366]  ? __ia32_sys_open (fs/open.c:1374)
[   55.872090][ T1366]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.872277][ T1366]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.872456][ T1366]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.872643][ T1366]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.872838][ T1366]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.873019][ T1366]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.873237][ T1366] RIP: 0033:0x7f29d34c5bcb
[   55.873421][ T1366] 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
[   55.873951][ T1366] RSP: 002b:00007fffdf2a9a58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.874207][ T1366] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f29d34c5bcb
[   55.874450][ T1366] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.874714][ T1366] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.874957][ T1366] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffdf2abc80
[   55.875209][ T1366] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffdf2ad888
| [   55.881479][ T1366] ------------[ cut here ]------------
| [   55.882143][ T1366] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1366
| [   55.882528][ T1366] Modules linked in: xfrm_user nf_tables
| [   55.883134][ T1366] Tainted: [W]=WARN
[   55.883338][ T1366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.883608][ T1366] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.883893][ T1366] 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
[   55.884459][ T1366] RSP: 0018:ffa0000001d57a78 EFLAGS: 00010286
[   55.884746][ T1366] RAX: 00000000ffffffa6 RBX: ff1100000f3b5e00 RCX: 1ff40000003aaf15
[   55.885040][ T1366] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f3b5ebc
[   55.885341][ T1366] RBP: ff11000014d19000 R08: 1fe2200001e76bd9 R09: ff11000013bf0b80
[   55.885643][ T1366] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.885955][ T1366] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014d19000
[   55.886257][ T1366] FS:  00007f29d3203840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   55.886588][ T1366] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.886865][ T1366] CR2: 00007f29d340a430 CR3: 000000000d41a001 CR4: 0000000000771ef0
[   55.887161][ T1366] PKRU: 55555554
[   55.887369][ T1366] Call Trace:
[   55.887571][ T1366]  <TASK>
[   55.887751][ T1366]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.887984][ T1366]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.888223][ T1366]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.888423][ T1366]  register_netdevice (net/core/dev.c:11488)
[   55.888677][ T1366]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.888940][ T1366]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.889184][ T1366]  register_netdev (net/core/dev.c:11552)
[   55.889415][ T1366]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   55.889625][ T1366]  ops_init (net/core/net_namespace.c:137)
[   55.889785][ T1366]  setup_net (net/core/net_namespace.c:446)
[   55.889933][ T1366]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.890108][ T1366]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.890296][ T1366]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.890481][ T1366]  copy_net_ns (net/core/net_namespace.c:579)
[   55.890680][ T1366]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.890861][ T1366]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.891040][ T1366]  ksys_unshare (kernel/fork.c:3243)
[   55.891227][ T1366]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.891407][ T1366]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.891595][ T1366]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.891792][ T1366]  ? __ia32_sys_open (fs/open.c:1374)
[   55.891972][ T1366]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.892150][ T1366]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.892337][ T1366]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.892516][ T1366]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.892710][ T1366]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.892890][ T1366]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.893101][ T1366] RIP: 0033:0x7f29d34c5bcb
[   55.893296][ T1366] 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
[   55.893828][ T1366] RSP: 002b:00007fffdf2a9a58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.894072][ T1366] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f29d34c5bcb
[   55.894328][ T1366] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.894577][ T1366] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.894830][ T1366] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffdf2abc80
[   55.895070][ T1366] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffdf2ad888
| [   55.899685][ T1366] ------------[ cut here ]------------
| [   55.899863][ T1366] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1366
| [   55.900165][ T1366] Modules linked in: xfrm_user nf_tables
| [   55.900692][ T1366] Tainted: [W]=WARN
[   55.900838][ T1366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.901049][ T1366] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.901276][ T1366] 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
[   55.902346][ T1366] RSP: 0018:ffa0000001d57a68 EFLAGS: 00010286
[   55.902625][ T1366] RAX: 00000000ffffffa6 RBX: ff11000010b85700 RCX: 1ff40000003aaf13
[   55.902935][ T1366] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010b857bc
[   55.903244][ T1366] RBP: ff1100001009c000 R08: 1fe2200002170af9 R09: ff11000013bf0b80
[   55.903550][ T1366] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.903858][ T1366] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001009c000
[   55.904174][ T1366] FS:  00007f29d3203840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   55.904515][ T1366] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.904793][ T1366] CR2: 00007f29d340a430 CR3: 000000000d41a001 CR4: 0000000000771ef0
[   55.905093][ T1366] PKRU: 55555554
[   55.905299][ T1366] Call Trace:
[   55.905496][ T1366]  <TASK>
[   55.905686][ T1366]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.905918][ T1366]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.906153][ T1366]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.906365][ T1366]  register_netdevice (net/core/dev.c:11488)
[   55.906605][ T1366]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.906887][ T1366]  register_netdev (net/core/dev.c:11552)
[   55.907123][ T1366]  sit_init_net (net/ipv6/sit.c:1860)
[   55.907369][ T1366]  ops_init (net/core/net_namespace.c:137)
[   55.907578][ T1366]  setup_net (net/core/net_namespace.c:446)
[   55.907795][ T1366]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.908026][ T1366]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.908260][ T1366]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.908442][ T1366]  copy_net_ns (net/core/net_namespace.c:579)
[   55.908632][ T1366]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.908826][ T1366]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.909006][ T1366]  ksys_unshare (kernel/fork.c:3243)
[   55.909193][ T1366]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.909373][ T1366]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.909560][ T1366]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.909756][ T1366]  ? __ia32_sys_open (fs/open.c:1374)
[   55.909938][ T1366]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.910116][ T1366]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.910304][ T1366]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.910484][ T1366]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.910687][ T1366]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.910866][ T1366]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.911075][ T1366] RIP: 0033:0x7f29d34c5bcb
[   55.911269][ T1366] 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
[   55.911799][ T1366] RSP: 002b:00007fffdf2a9a58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.912042][ T1366] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f29d34c5bcb
[   55.912293][ T1366] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.912537][ T1366] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.912796][ T1366] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffdf2abc80
[   55.913038][ T1366] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffdf2ad888
| [   55.918286][ T1366] ------------[ cut here ]------------
| [   55.918465][ T1366] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1366
| [   55.918789][ T1366] Modules linked in: xfrm_user nf_tables
| [   55.919294][ T1366] Tainted: [W]=WARN
[   55.919443][ T1366] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.919673][ T1366] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.919893][ T1366] 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
[   55.920409][ T1366] RSP: 0018:ffa0000001d57a78 EFLAGS: 00010286
[   55.920633][ T1366] RAX: 00000000ffffffa6 RBX: ff1100000f3b4e40 RCX: 1ff40000003aaf15
[   55.921410][ T1366] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f3b4efc
[   55.921731][ T1366] RBP: ff1100000fbf1000 R08: 1fe2200001e769e1 R09: ff11000013bf0b80
[   55.922027][ T1366] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   55.922336][ T1366] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fbf1000
[   55.922645][ T1366] FS:  00007f29d3203840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   55.923050][ T1366] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.923327][ T1366] CR2: 00007f29d340a430 CR3: 000000000d41a001 CR4: 0000000000771ef0
[   55.923637][ T1366] PKRU: 55555554
[   55.923852][ T1366] Call Trace:
[   55.924049][ T1366]  <TASK>
[   55.924223][ T1366]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.924459][ T1366]  ? notifier_call_chain (kernel/notifier.c:85)
[   55.924715][ T1366]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.924916][ T1366]  register_netdevice (net/core/dev.c:11488)
[   55.925151][ T1366]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   55.925423][ T1366]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.925684][ T1366]  register_netdev (net/core/dev.c:11552)
[   55.925918][ T1366]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   55.926149][ T1366]  ops_init (net/core/net_namespace.c:137)
[   55.926358][ T1366]  setup_net (net/core/net_namespace.c:446)
[   55.926565][ T1366]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   55.926763][ T1366]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   55.926941][ T1366]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   55.927126][ T1366]  copy_net_ns (net/core/net_namespace.c:579)
[   55.927315][ T1366]  create_new_namespaces (kernel/nsproxy.c:132)
[   55.927496][ T1366]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   55.927697][ T1366]  ksys_unshare (kernel/fork.c:3243)
[   55.927876][ T1366]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   55.928054][ T1366]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   55.928244][ T1366]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   55.928427][ T1366]  ? __ia32_sys_open (fs/open.c:1374)
[   55.928617][ T1366]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   55.928805][ T1366]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   55.928981][ T1366]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.929158][ T1366]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.929343][ T1366]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.929525][ T1366]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.929746][ T1366] RIP: 0033:0x7f29d34c5bcb
[   55.929931][ T1366] 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
[   55.930443][ T1366] RSP: 002b:00007fffdf2a9a58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   55.930703][ T1366] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f29d34c5bcb
[   55.930948][ T1366] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   55.931195][ T1366] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   55.931456][ T1366] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffdf2abc80
[   55.931740][ T1366] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffdf2ad888
| [   55.960299][ T1367] ------------[ cut here ]------------
| [   55.960443][ T1367] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1367
| [   55.960713][ T1367] Modules linked in: xfrm_user nf_tables
| [   55.961114][ T1367] Tainted: [W]=WARN
[   55.961215][ T1367] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   55.961379][ T1367] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   55.961550][ T1367] 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
[   55.962019][ T1367] RSP: 0018:ffa0000001d67020 EFLAGS: 00010286
[   55.962191][ T1367] RAX: 00000000ffffffa6 RBX: ff1100000b43e740 RCX: 1ff40000003acdca
[   55.962383][ T1367] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b43e7fc
[   55.962577][ T1367] RBP: ff1100000aa14000 R08: 1fe2200001687d01 R09: ff11000013bf5158
[   55.962772][ T1367] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   55.962964][ T1367] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   55.963156][ T1367] FS:  00007f03eeed2840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   55.963389][ T1367] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   55.963554][ T1367] CR2: 00007f03ef1a21a0 CR3: 0000000012a9f006 CR4: 0000000000771ef0
[   55.963755][ T1367] PKRU: 55555554
[   55.963852][ T1367] Call Trace:
[   55.963948][ T1367]  <TASK>
[   55.964015][ T1367]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   55.964146][ T1367]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   55.964249][ T1367]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   55.964379][ T1367]  __dev_notify_flags (net/core/dev.c:9787)
[   55.964514][ T1367]  ? netif_change_name (net/core/dev.c:1495)
[   55.964644][ T1367]  ? __dev_change_flags (net/core/dev.c:9752)
[   55.964778][ T1367]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   55.964907][ T1367]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.965037][ T1367]  ? 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))
[   55.965172][ T1367]  netif_change_flags (net/core/dev.c:9820)
[   55.965303][ T1367]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   55.965434][ T1367]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   55.965569][ T1367]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   55.965703][ T1367]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   55.965863][ T1367]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   55.965992][ T1367]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.966121][ T1367]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   55.966256][ T1367]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.966386][ T1367]  ? __kernel_text_address (kernel/extable.c:79)
[   55.966516][ T1367]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.966649][ T1367]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.966783][ T1367]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   55.966913][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.967043][ T1367]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   55.967176][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.967305][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.967435][ T1367]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   55.967569][ T1367]  ? __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)
[   55.968268][ T1367]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   55.968401][ T1367]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   55.968541][ T1367]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   55.968679][ T1367]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   55.968818][ T1367]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   55.968950][ T1367]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.969077][ T1367]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.969210][ T1367]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.969338][ T1367]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   55.969465][ T1367]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.969600][ T1367]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.969736][ T1367]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.969866][ T1367]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.969997][ T1367]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   55.970127][ T1367]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   55.970264][ T1367]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   55.970392][ T1367]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.970526][ T1367]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.970659][ T1367]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.970791][ T1367]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   55.970921][ T1367]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   55.971050][ T1367]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   55.971183][ T1367]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   55.971312][ T1367]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   55.971445][ T1367]  ? 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))
[   55.971577][ T1367]  ? 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))
[   55.971713][ T1367]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   55.971844][ T1367]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   55.971976][ T1367]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   55.972107][ T1367]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   55.972244][ T1367]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   55.972375][ T1367]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   55.972510][ T1367]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   55.972641][ T1367]  ? copy_msghdr_from_user (net/socket.c:2635)
[   55.972775][ T1367]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   55.972937][ T1367]  ? move_addr_to_kernel (net/socket.c:258)
[   55.973066][ T1367]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   55.973200][ T1367]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   55.973329][ T1367]  ___sys_sendmsg (net/socket.c:2752)
[   55.973458][ T1367]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   55.973624][ T1367]  ? copy_msghdr_from_user (net/socket.c:2603)
[   55.973771][ T1367]  __sys_sendmsg (net/socket.c:2784)
[   55.973903][ T1367]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   55.974031][ T1367]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   55.974199][ T1367]  ? 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)
[   55.974329][ T1367]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   55.974459][ T1367]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   55.974592][ T1367]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   55.974727][ T1367]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   55.974857][ T1367]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   55.975022][ T1367] RIP: 0033:0x7f03ef10c08e
[   55.975157][ T1367] 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
[   55.975627][ T1367] RSP: 002b:00007ffc82cc7dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   55.975826][ T1367] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f03ef10c08e
[   55.976019][ T1367] RDX: 0000000000000000 RSI: 00007ffc82cc7e70 RDI: 0000000000000005
[   55.976216][ T1367] RBP: 00007ffc82cc7dd0 R08: 0000000000000000 R09: 0000000000000000
[   55.976408][ T1367] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d862
[   55.976604][ T1367] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc82cc8540
| [   56.227677][ T1377] ------------[ cut here ]------------
| [   56.227837][ T1377] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1377
| [   56.228107][ T1377] Modules linked in: xfrm_user nf_tables
| [   56.228532][ T1377] Tainted: [W]=WARN
[   56.228633][ T1377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.228808][ T1377] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.228983][ T1377] 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
[   56.229498][ T1377] RSP: 0018:ffa0000001db6e30 EFLAGS: 00010286
[   56.229677][ T1377] RAX: 00000000ffffffa6 RBX: ff11000014d91700 RCX: 1ff40000003b6d8c
[   56.229881][ T1377] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d917bc
[   56.230081][ T1377] RBP: ff11000012bbc000 R08: 1fe22000029b22f9 R09: ff11000014c9d180
[   56.230287][ T1377] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   56.230487][ T1377] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fed2380
[   56.230699][ T1377] FS:  00007f02ebf1b840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   56.230935][ T1377] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.231104][ T1377] CR2: 00000000004eb188 CR3: 000000000e4ed005 CR4: 0000000000771ef0
[   56.231311][ T1377] PKRU: 55555554
[   56.231413][ T1377] Call Trace:
[   56.231516][ T1377]  <TASK>
[   56.231586][ T1377]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   56.231759][ T1377]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.231894][ T1377]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.231996][ T1377]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.232132][ T1377]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.232272][ T1377]  __dev_notify_flags (net/core/dev.c:9787)
[   56.232406][ T1377]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.232544][ T1377]  ? netif_change_name (net/core/dev.c:1495)
[   56.232683][ T1377]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   56.232818][ T1377]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   56.232986][ T1377]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   56.233156][ T1377]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   56.233294][ T1377]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.233427][ T1377]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   56.233566][ T1377]  veth_newlink (drivers/net/veth.c:1871)
[   56.233706][ T1377]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   56.233839][ T1377]  ? kasan_save_stack (mm/kasan/common.c:57)
[   56.233973][ T1377]  ? kasan_save_track (mm/kasan/common.c:78)
[   56.234106][ T1377]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   56.234262][ T1377]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   56.234393][ T1377]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   56.234533][ T1377]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   56.234730][ T1377]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   56.234922][ T1377]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   56.235057][ T1377]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   56.235202][ T1377]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   56.235335][ T1377]  ? __dev_get_by_name (net/core/dev.c:883)
[   56.235469][ T1377]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   56.235613][ T1377]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   56.235832][ T1377]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   56.235968][ T1377]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.236101][ T1377]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.236239][ T1377]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.236373][ T1377]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.236509][ T1377]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.236644][ T1377]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.236836][ T1377]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.236971][ T1377]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   56.237105][ T1377]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.237246][ T1377]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.237378][ T1377]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.237518][ T1377]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.237708][ T1377]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.237841][ T1377]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   56.237976][ T1377]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.238108][ T1377]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.238250][ T1377]  ? 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))
[   56.238383][ T1377]  ? 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))
[   56.238522][ T1377]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.238714][ T1377]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.238850][ T1377]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.238984][ T1377]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   56.239120][ T1377]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   56.239259][ T1377]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   56.239395][ T1377]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   56.239534][ T1377]  ? copy_msghdr_from_user (net/socket.c:2635)
[   56.239726][ T1377]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   56.239891][ T1377]  ? move_addr_to_kernel (net/socket.c:258)
[   56.240025][ T1377]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.240159][ T1377]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   56.240299][ T1377]  ___sys_sendmsg (net/socket.c:2752)
[   56.240431][ T1377]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   56.240569][ T1377]  ? copy_msghdr_from_user (net/socket.c:2603)
[   56.240775][ T1377]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   56.240913][ T1377]  ? 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))
[   56.241048][ T1377]  __sys_sendmsg (net/socket.c:2784)
[   56.241186][ T1377]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   56.241325][ T1377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.241460][ T1377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.241599][ T1377]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.241821][ T1377]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.241955][ T1377]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.242088][ T1377]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.242259][ T1377] RIP: 0033:0x7f02ec15508e
[   56.242400][ T1377] 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
[   56.242955][ T1377] RSP: 002b:00007ffe5c6b0750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.243156][ T1377] RAX: ffffffffffffffda RBX: 00007ffe5c6b0ee8 RCX: 00007f02ec15508e
[   56.243362][ T1377] RDX: 0000000000000000 RSI: 00007ffe5c6b0800 RDI: 0000000000000005
[   56.243566][ T1377] RBP: 00007ffe5c6b0760 R08: 0000000000000000 R09: 0000000000000000
[   56.243821][ T1377] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d862
[   56.244020][ T1377] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5c6b0ec0
| [   56.258992][ T1377] ------------[ cut here ]------------
| [   56.259135][ T1377] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1377
| [   56.259403][ T1377] Modules linked in: xfrm_user nf_tables
| [   56.259841][ T1377] Tainted: [W]=WARN
[   56.259942][ T1377] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.260108][ T1377] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.260284][ T1377] 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
[   56.260761][ T1377] RSP: 0018:ffa0000001db71b0 EFLAGS: 00010286
[   56.260930][ T1377] RAX: 00000000ffffffa6 RBX: ff1100000ce103c0 RCX: 1ff40000003b6dfc
[   56.261128][ T1377] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce1047c
[   56.261330][ T1377] RBP: ff11000014db9000 R08: 1fe22000019c2091 R09: ff11000014c9d180
[   56.261532][ T1377] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   56.261732][ T1377] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   56.261931][ T1377] FS:  00007f02ebf1b840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   56.262161][ T1377] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.262332][ T1377] CR2: 00000000004eb188 CR3: 000000000e4ed005 CR4: 0000000000771ef0
[   56.262535][ T1377] PKRU: 55555554
[   56.262634][ T1377] Call Trace:
[   56.262737][ T1377]  <TASK>
[   56.262805][ T1377]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.262940][ T1377]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.263041][ T1377]  __dev_notify_flags (net/core/dev.c:9787)
[   56.263179][ T1377]  ? netif_change_name (net/core/dev.c:1495)
[   56.263314][ T1377]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   56.263447][ T1377]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   56.263583][ T1377]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   56.263723][ T1377]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   56.263858][ T1377]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   56.263992][ T1377]  ? __dev_get_by_name (net/core/dev.c:883)
[   56.264124][ T1377]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   56.264267][ T1377]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   56.264404][ T1377]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   56.264543][ T1377]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.264681][ T1377]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.264813][ T1377]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.264947][ T1377]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.265079][ T1377]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.265219][ T1377]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.265352][ T1377]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.265486][ T1377]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   56.265622][ T1377]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.265759][ T1377]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.265892][ T1377]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.266027][ T1377]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.266159][ T1377]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.266300][ T1377]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   56.266433][ T1377]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.266571][ T1377]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.266713][ T1377]  ? 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))
[   56.266845][ T1377]  ? 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))
[   56.266982][ T1377]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.267117][ T1377]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.267255][ T1377]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.267388][ T1377]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   56.267529][ T1377]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   56.267668][ T1377]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   56.267803][ T1377]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   56.267937][ T1377]  ? copy_msghdr_from_user (net/socket.c:2635)
[   56.268070][ T1377]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   56.268241][ T1377]  ? move_addr_to_kernel (net/socket.c:258)
[   56.268405][ T1377]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.268543][ T1377]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   56.268682][ T1377]  ___sys_sendmsg (net/socket.c:2752)
[   56.268814][ T1377]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   56.268947][ T1377]  ? copy_msghdr_from_user (net/socket.c:2603)
[   56.269083][ T1377]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   56.269222][ T1377]  ? 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))
[   56.269358][ T1377]  __sys_sendmsg (net/socket.c:2784)
[   56.269493][ T1377]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   56.269634][ T1377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.269772][ T1377]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.269906][ T1377]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.270039][ T1377]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.270176][ T1377]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.270310][ T1377]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.270475][ T1377] RIP: 0033:0x7f02ec15508e
[   56.270615][ T1377] 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
[   56.271093][ T1377] RSP: 002b:00007ffe5c6b0750 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.271298][ T1377] RAX: ffffffffffffffda RBX: 00007ffe5c6b0ee8 RCX: 00007f02ec15508e
[   56.271498][ T1377] RDX: 0000000000000000 RSI: 00007ffe5c6b0800 RDI: 0000000000000005
[   56.271704][ T1377] RBP: 00007ffe5c6b0760 R08: 0000000000000000 R09: 0000000000000000
[   56.271904][ T1377] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d862
[   56.272104][ T1377] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5c6b0ec0
| [   56.381298][ T1381] ------------[ cut here ]------------
| [   56.381449][ T1381] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1381
| [   56.382311][ T1381] Modules linked in: xfrm_user nf_tables
| [   56.382726][ T1381] Tainted: [W]=WARN
[   56.382824][ T1381] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.382986][ T1381] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.383157][ T1381] 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
[   56.383630][ T1381] RSP: 0018:ffa0000001dd7020 EFLAGS: 00010286
[   56.383799][ T1381] RAX: 00000000ffffffa6 RBX: ff1100000d68e900 RCX: 1ff40000003badca
[   56.383992][ T1381] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68e9bc
[   56.384190][ T1381] RBP: ff11000014db9000 R08: 1fe2200001ad1d39 R09: ff1100000c488b58
[   56.384383][ T1381] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   56.384577][ T1381] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   56.384780][ T1381] FS:  00007f8851c00840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   56.385008][ T1381] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.385176][ T1381] CR2: 00007f8851ed01a0 CR3: 00000000129b2003 CR4: 0000000000771ef0
[   56.385372][ T1381] PKRU: 55555554
[   56.385469][ T1381] Call Trace:
[   56.385570][ T1381]  <TASK>
[   56.385637][ T1381]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.385776][ T1381]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.385875][ T1381]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   56.386005][ T1381]  __dev_notify_flags (net/core/dev.c:9787)
[   56.386139][ T1381]  ? netif_change_name (net/core/dev.c:1495)
[   56.386279][ T1381]  ? __dev_change_flags (net/core/dev.c:9752)
[   56.386414][ T1381]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   56.386546][ T1381]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.386685][ T1381]  ? 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))
[   56.386819][ T1381]  netif_change_flags (net/core/dev.c:9820)
[   56.386949][ T1381]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   56.387080][ T1381]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   56.387216][ T1381]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   56.387349][ T1381]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   56.387515][ T1381]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.387644][ T1381]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.387779][ T1381]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   56.387910][ T1381]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.388040][ T1381]  ? __kernel_text_address (kernel/extable.c:79)
[   56.388175][ T1381]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.388308][ T1381]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.388439][ T1381]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   56.388572][ T1381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.388707][ T1381]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.388836][ T1381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.388964][ T1381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.389093][ T1381]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   56.389228][ T1381]  ? __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)
[   56.389357][ T1381]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   56.389489][ T1381]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   56.389623][ T1381]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   56.389759][ T1381]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   56.389892][ T1381]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   56.390023][ T1381]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.390152][ T1381]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.390289][ T1381]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.390419][ T1381]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.390548][ T1381]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.390686][ T1381]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.390815][ T1381]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.390945][ T1381]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.391075][ T1381]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.391211][ T1381]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.391341][ T1381]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   56.391470][ T1381]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.391604][ T1381]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.391738][ T1381]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.391873][ T1381]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.392003][ T1381]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.392134][ T1381]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   56.392269][ T1381]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.392401][ T1381]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.392537][ T1381]  ? 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))
[   56.392670][ T1381]  ? 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))
[   56.392801][ T1381]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.392933][ T1381]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.393063][ T1381]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.393200][ T1381]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   56.393332][ T1381]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   56.393462][ T1381]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   56.393598][ T1381]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   56.393732][ T1381]  ? copy_msghdr_from_user (net/socket.c:2635)
[   56.393862][ T1381]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   56.394023][ T1381]  ? move_addr_to_kernel (net/socket.c:258)
[   56.394153][ T1381]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.394290][ T1381]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.394421][ T1381]  ___sys_sendmsg (net/socket.c:2752)
[   56.394553][ T1381]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   56.394723][ T1381]  ? copy_msghdr_from_user (net/socket.c:2603)
[   56.394865][ T1381]  __sys_sendmsg (net/socket.c:2784)
[   56.394995][ T1381]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   56.395124][ T1381]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   56.395295][ T1381]  ? 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)
[   56.395426][ T1381]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.395562][ T1381]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.395697][ T1381]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.395827][ T1381]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.395957][ T1381]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.396119][ T1381] RIP: 0033:0x7f8851e3a08e
[   56.396261][ T1381] 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
[   56.396732][ T1381] RSP: 002b:00007fff6a123a70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.396928][ T1381] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8851e3a08e
[   56.397122][ T1381] RDX: 0000000000000000 RSI: 00007fff6a123b20 RDI: 0000000000000005
[   56.397320][ T1381] RBP: 00007fff6a123a80 R08: 0000000000000000 R09: 0000000000000000
[   56.397515][ T1381] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d862
[   56.397712][ T1381] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6a1241e0
| [   56.503480][ T1385] ------------[ cut here ]------------
| [   56.503678][ T1385] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1385
| [   56.503980][ T1385] Modules linked in: xfrm_user nf_tables
| [   56.504477][ T1385] Tainted: [W]=WARN
[   56.504636][ T1385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.504953][ T1385] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.505224][ T1385] 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
[   56.505747][ T1385] RSP: 0018:ffa0000001dd7020 EFLAGS: 00010286
[   56.505958][ T1385] RAX: 00000000ffffffa6 RBX: ff1100000f3b5700 RCX: 1ff40000003badca
[   56.506202][ T1385] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f3b57bc
[   56.506442][ T1385] RBP: ff11000012bbc000 R08: 1fe2200001e76af9 R09: ff1100000ba98b58
[   56.506700][ T1385] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   56.506947][ T1385] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   56.507197][ T1385] FS:  00007f1321b4c840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   56.507470][ T1385] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.507696][ T1385] CR2: 0000000015651988 CR3: 0000000009a82004 CR4: 0000000000771ef0
[   56.507938][ T1385] PKRU: 55555554
[   56.508082][ T1385] Call Trace:
[   56.508235][ T1385]  <TASK>
[   56.508350][ T1385]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.508533][ T1385]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.508694][ T1385]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   56.508869][ T1385]  __dev_notify_flags (net/core/dev.c:9787)
[   56.509051][ T1385]  ? netif_change_name (net/core/dev.c:1495)
[   56.509238][ T1385]  ? __dev_change_flags (net/core/dev.c:9752)
[   56.509417][ T1385]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   56.509604][ T1385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.509796][ T1385]  ? 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))
[   56.509975][ T1385]  netif_change_flags (net/core/dev.c:9820)
[   56.510155][ T1385]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   56.510342][ T1385]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   56.510527][ T1385]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   56.510719][ T1385]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   56.510928][ T1385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.511105][ T1385]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.511293][ T1385]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   56.511469][ T1385]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.511666][ T1385]  ? __kernel_text_address (kernel/extable.c:79)
[   56.511844][ T1385]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.512024][ T1385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.512209][ T1385]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   56.512389][ T1385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.512575][ T1385]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.512764][ T1385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.512941][ T1385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.513121][ T1385]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   56.513311][ T1385]  ? __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)
[   56.513488][ T1385]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   56.513687][ T1385]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   56.513867][ T1385]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   56.514049][ T1385]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   56.514240][ T1385]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   56.514422][ T1385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.514610][ T1385]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.514803][ T1385]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.514980][ T1385]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.515156][ T1385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.515345][ T1385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.515526][ T1385]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.515717][ T1385]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.515896][ T1385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.516076][ T1385]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.516263][ T1385]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   56.516457][ T1385]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.516644][ T1385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.516837][ T1385]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.517017][ T1385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.517201][ T1385]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.517381][ T1385]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   56.517567][ T1385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.517758][ T1385]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.517939][ T1385]  ? 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))
[   56.518116][ T1385]  ? 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))
[   56.518307][ T1385]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.518489][ T1385]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.518687][ T1385]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.518867][ T1385]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   56.519048][ T1385]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   56.519236][ T1385]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   56.519418][ T1385]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   56.519606][ T1385]  ? copy_msghdr_from_user (net/socket.c:2635)
[   56.519799][ T1385]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   56.520006][ T1385]  ? move_addr_to_kernel (net/socket.c:258)
[   56.520194][ T1385]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.520373][ T1385]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.520562][ T1385]  ___sys_sendmsg (net/socket.c:2752)
[   56.520753][ T1385]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   56.520966][ T1385]  ? copy_msghdr_from_user (net/socket.c:2603)
[   56.521158][ T1385]  __sys_sendmsg (net/socket.c:2784)
[   56.521346][ T1385]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   56.521526][ T1385]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   56.521752][ T1385]  ? 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)
[   56.521931][ T1385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.522110][ T1385]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.522297][ T1385]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.522479][ T1385]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.522676][ T1385]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.522883][ T1385] RIP: 0033:0x7f1321d8608e
[   56.523064][ T1385] 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
[   56.523582][ T1385] RSP: 002b:00007ffce55402b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.523841][ T1385] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1321d8608e
[   56.524081][ T1385] RDX: 0000000000000000 RSI: 00007ffce5540360 RDI: 0000000000000005
[   56.524328][ T1385] RBP: 00007ffce55402c0 R08: 0000000000000000 R09: 0000000000000000
[   56.524576][ T1385] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d862
[   56.524829][ T1385] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce5540a20
| [   56.527580][  T434] ------------[ cut here ]------------
| [   56.527722][  T434] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 2/434
| [   56.527954][  T434] Modules linked in: xfrm_user nf_tables
| [   56.528355][  T434] Tainted: [W]=WARN
[   56.528448][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.528600][  T434] Workqueue: events_unbound linkwatch_event
[   56.529211][  T434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.529418][  T434] 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
[   56.529875][  T434] RSP: 0018:ffa0000000e879e0 EFLAGS: 00010286
[   56.530027][  T434] RAX: 00000000ffffffa6 RBX: ff1100000e8f1e00 RCX: 1ff40000001d0f02
[   56.530210][  T434] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e8f1ebc
[   56.530386][  T434] RBP: ff11000014db9000 R08: 1fe2200001d1e3d9 R09: ff110000100f2ea8
[   56.530568][  T434] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   56.530769][  T434] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   56.530948][  T434] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   56.531154][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.531309][  T434] CR2: 00007f1321f24498 CR3: 000000004994d004 CR4: 0000000000771ef0
[   56.531496][  T434] PKRU: 55555554
[   56.531589][  T434] Call Trace:
[   56.531687][  T434]  <TASK>
[   56.531750][  T434]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.531869][  T434]  ? notifier_call_chain (kernel/notifier.c:85)
[   56.531988][  T434]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.532080][  T434]  netif_state_change (net/core/dev.c:1605)
[   56.532208][  T434]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   56.532357][  T434]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   56.532475][  T434]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   56.532603][  T434]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.532728][  T434]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   56.532846][  T434]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   56.532969][  T434]  process_one_work (kernel/workqueue.c:3314)
[   56.533094][  T434]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   56.533220][  T434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.533343][  T434]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   56.533463][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   56.533585][  T434]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   56.533712][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   56.533831][  T434]  kthread (kernel/kthread.c:436)
[   56.533920][  T434]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   56.534068][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.534194][  T434]  ret_from_fork (arch/x86/kernel/process.c:158)
[   56.534315][  T434]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   56.534463][  T434]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   56.534585][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   56.534710][  T434]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   56.710279][ T1393] ------------[ cut here ]------------
| [   56.710469][ T1393] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1393
| [   56.710803][ T1393] Modules linked in: xfrm_user nf_tables
| [   56.711316][ T1393] Tainted: [W]=WARN
[   56.711464][ T1393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.711695][ T1393] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.711918][ T1393] 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
[   56.712444][ T1393] RSP: 0018:ffa0000001bc6e30 EFLAGS: 00010286
[   56.712681][ T1393] RAX: 00000000ffffffa6 RBX: ff1100000d5a98c0 RCX: 1ff4000000378d8c
[   56.712927][ T1393] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5a997c
[   56.713180][ T1393] RBP: ff1100000e769000 R08: 1fe2200001ab5331 R09: ff1100000fb3d180
[   56.713425][ T1393] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   56.713691][ T1393] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000060ffc00
[   56.713939][ T1393] FS:  00007fb16da82840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   56.714222][ T1393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.714437][ T1393] CR2: 00000000004eb188 CR3: 0000000009b08002 CR4: 0000000000771ef0
[   56.714704][ T1393] PKRU: 55555554
[   56.714851][ T1393] Call Trace:
[   56.714999][ T1393]  <TASK>
[   56.715115][ T1393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.715311][ T1393]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.715496][ T1393]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.715679][ T1393]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   56.715865][ T1393]  __dev_notify_flags (net/core/dev.c:9787)
[   56.716048][ T1393]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   56.716241][ T1393]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   56.716422][ T1393]  ? netif_change_name (net/core/dev.c:1495)
[   56.716612][ T1393]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   56.716804][ T1393]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   56.716986][ T1393]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   56.717168][ T1393]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.717358][ T1393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.717547][ T1393]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   56.717740][ T1393]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   56.717922][ T1393]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   56.718102][ T1393]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   56.718297][ T1393]  veth_newlink (drivers/net/veth.c:1871)
[   56.718484][ T1393]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   56.718683][ T1393]  ? kasan_save_stack (mm/kasan/common.c:57)
[   56.718865][ T1393]  ? kasan_save_track (mm/kasan/common.c:78)
[   56.719046][ T1393]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   56.719252][ T1393]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   56.719435][ T1393]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   56.719626][ T1393]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   56.719821][ T1393]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   56.720005][ T1393]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   56.720194][ T1393]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   56.720379][ T1393]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   56.720568][ T1393]  ? __dev_get_by_name (net/core/dev.c:883)
[   56.720762][ T1393]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   56.720950][ T1393]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   56.721138][ T1393]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   56.721329][ T1393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.721509][ T1393]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.721705][ T1393]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.721887][ T1393]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.722068][ T1393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.722262][ T1393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.722449][ T1393]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.722641][ T1393]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   56.722836][ T1393]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.723017][ T1393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.723205][ T1393]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.723390][ T1393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.723579][ T1393]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.723772][ T1393]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   56.723954][ T1393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.724137][ T1393]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.724325][ T1393]  ? 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))
[   56.724508][ T1393]  ? 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))
[   56.724707][ T1393]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.724890][ T1393]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.725072][ T1393]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.725263][ T1393]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   56.725446][ T1393]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   56.725639][ T1393]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   56.725835][ T1393]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   56.726019][ T1393]  ? copy_msghdr_from_user (net/socket.c:2635)
[   56.726208][ T1393]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   56.726420][ T1393]  ? move_addr_to_kernel (net/socket.c:258)
[   56.726614][ T1393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.726806][ T1393]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   56.726989][ T1393]  ___sys_sendmsg (net/socket.c:2752)
[   56.727176][ T1393]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   56.727359][ T1393]  ? copy_msghdr_from_user (net/socket.c:2603)
[   56.727552][ T1393]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   56.727752][ T1393]  ? 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))
[   56.727938][ T1393]  __sys_sendmsg (net/socket.c:2784)
[   56.728120][ T1393]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   56.728314][ T1393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.728497][ T1393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.728701][ T1393]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.728884][ T1393]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.729066][ T1393]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.729253][ T1393]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.729469][ T1393] RIP: 0033:0x7fb16dcbc08e
[   56.729673][ T1393] 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
[   56.730199][ T1393] RSP: 002b:00007ffe2fce9280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.730448][ T1393] RAX: ffffffffffffffda RBX: 00007ffe2fce9a18 RCX: 00007fb16dcbc08e
[   56.730718][ T1393] RDX: 0000000000000000 RSI: 00007ffe2fce9330 RDI: 0000000000000005
[   56.730965][ T1393] RBP: 00007ffe2fce9290 R08: 0000000000000000 R09: 0000000000000000
[   56.731218][ T1393] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d862
[   56.731465][ T1393] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2fce99f0
| [   56.744682][ T1393] ------------[ cut here ]------------
| [   56.744833][ T1393] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1393
| [   56.745098][ T1393] Modules linked in: xfrm_user nf_tables
| [   56.745519][ T1393] Tainted: [W]=WARN
[   56.745619][ T1393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.745793][ T1393] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.745967][ T1393] 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
[   56.746442][ T1393] RSP: 0018:ffa0000001bc71b0 EFLAGS: 00010286
[   56.746611][ T1393] RAX: 00000000ffffffa6 RBX: ff1100001251a580 RCX: 1ff4000000378dfc
[   56.746815][ T1393] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001251a63c
[   56.747012][ T1393] RBP: ff11000014c29000 R08: 1fe22000024a34c9 R09: ff1100000fb3d180
[   56.747216][ T1393] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   56.747412][ T1393] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   56.747615][ T1393] FS:  00007fb16da82840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   56.747856][ T1393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.748021][ T1393] CR2: 00007ffe3bb9dec8 CR3: 0000000009b08004 CR4: 0000000000771ef0
[   56.748227][ T1393] PKRU: 55555554
[   56.748326][ T1393] Call Trace:
[   56.748424][ T1393]  <TASK>
[   56.748494][ T1393]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.748635][ T1393]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.748743][ T1393]  __dev_notify_flags (net/core/dev.c:9787)
[   56.748878][ T1393]  ? netif_change_name (net/core/dev.c:1495)
[   56.749012][ T1393]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   56.749145][ T1393]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   56.749285][ T1393]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   56.749418][ T1393]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   56.749558][ T1393]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   56.749697][ T1393]  ? __dev_get_by_name (net/core/dev.c:883)
[   56.749829][ T1393]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   56.749968][ T1393]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   56.750106][ T1393]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   56.750247][ T1393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.750379][ T1393]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.750514][ T1393]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.750646][ T1393]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.750784][ T1393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.750921][ T1393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.751055][ T1393]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.751194][ T1393]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   56.751327][ T1393]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.751460][ T1393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.751597][ T1393]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.751759][ T1393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.751891][ T1393]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.752025][ T1393]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   56.752157][ T1393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.752295][ T1393]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.752431][ T1393]  ? 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))
[   56.752567][ T1393]  ? 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))
[   56.752710][ T1393]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.752847][ T1393]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.752981][ T1393]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.753114][ T1393]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   56.753253][ T1393]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   56.753387][ T1393]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   56.753524][ T1393]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   56.753663][ T1393]  ? copy_msghdr_from_user (net/socket.c:2635)
[   56.753796][ T1393]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   56.753961][ T1393]  ? move_addr_to_kernel (net/socket.c:258)
[   56.754095][ T1393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.754232][ T1393]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   56.754366][ T1393]  ___sys_sendmsg (net/socket.c:2752)
[   56.754499][ T1393]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   56.754637][ T1393]  ? copy_msghdr_from_user (net/socket.c:2603)
[   56.754780][ T1393]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   56.754917][ T1393]  ? 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))
[   56.755052][ T1393]  __sys_sendmsg (net/socket.c:2784)
[   56.755187][ T1393]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   56.755324][ T1393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.755456][ T1393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.755595][ T1393]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.755734][ T1393]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.755866][ T1393]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.755999][ T1393]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.756163][ T1393] RIP: 0033:0x7fb16dcbc08e
[   56.756309][ T1393] 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
[   56.756789][ T1393] RSP: 002b:00007ffe2fce9280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.756989][ T1393] RAX: ffffffffffffffda RBX: 00007ffe2fce9a18 RCX: 00007fb16dcbc08e
[   56.757192][ T1393] RDX: 0000000000000000 RSI: 00007ffe2fce9330 RDI: 0000000000000005
[   56.757390][ T1393] RBP: 00007ffe2fce9290 R08: 0000000000000000 R09: 0000000000000000
[   56.757593][ T1393] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d862
[   56.757797][ T1393] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2fce99f0
| [   56.861332][ T1397] ------------[ cut here ]------------
| [   56.861518][ T1397] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1397
| [   56.862422][ T1397] Modules linked in: xfrm_user nf_tables
| [   56.862932][ T1397] Tainted: [W]=WARN
[   56.863077][ T1397] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   56.863296][ T1397] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   56.863514][ T1397] 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
[   56.864030][ T1397] RSP: 0018:ffa0000001e07020 EFLAGS: 00010286
[   56.864248][ T1397] RAX: 00000000ffffffa6 RBX: ff110000101b6e40 RCX: 1ff40000003c0dca
[   56.864487][ T1397] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b6efc
[   56.864744][ T1397] RBP: ff11000014c29000 R08: 1fe2200002036de1 R09: ff1100000de95158
[   56.864983][ T1397] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   56.865230][ T1397] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   56.865472][ T1397] FS:  00007ff7c0871840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   56.865759][ T1397] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   56.865968][ T1397] CR2: 00007ff7c0b411a0 CR3: 0000000012a7c006 CR4: 0000000000771ef0
[   56.866216][ T1397] PKRU: 55555554
[   56.866360][ T1397] Call Trace:
[   56.866506][ T1397]  <TASK>
[   56.866626][ T1397]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   56.866818][ T1397]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   56.866966][ T1397]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   56.867141][ T1397]  __dev_notify_flags (net/core/dev.c:9787)
[   56.867329][ T1397]  ? netif_change_name (net/core/dev.c:1495)
[   56.867509][ T1397]  ? __dev_change_flags (net/core/dev.c:9752)
[   56.867702][ T1397]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   56.867879][ T1397]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.868056][ T1397]  ? 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))
[   56.868246][ T1397]  netif_change_flags (net/core/dev.c:9820)
[   56.868424][ T1397]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   56.868610][ T1397]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   56.868803][ T1397]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   56.868981][ T1397]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   56.869196][ T1397]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   56.869375][ T1397]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.869559][ T1397]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   56.869749][ T1397]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.869927][ T1397]  ? __kernel_text_address (kernel/extable.c:79)
[   56.870105][ T1397]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.870291][ T1397]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.870472][ T1397]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   56.870668][ T1397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.870846][ T1397]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   56.871022][ T1397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.871205][ T1397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.871384][ T1397]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   56.871570][ T1397]  ? __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)
[   56.871761][ T1397]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   56.871938][ T1397]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   56.872118][ T1397]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   56.872309][ T1397]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   56.872494][ T1397]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   56.872694][ T1397]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.872870][ T1397]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.873049][ T1397]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.873235][ T1397]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   56.873412][ T1397]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.873604][ T1397]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.873793][ T1397]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.873971][ T1397]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.874148][ T1397]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   56.874336][ T1397]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   56.874516][ T1397]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   56.874705][ T1397]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.874883][ T1397]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.875058][ T1397]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.875244][ T1397]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   56.875425][ T1397]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   56.875613][ T1397]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   56.875800][ T1397]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   56.875977][ T1397]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   56.876158][ T1397]  ? 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))
[   56.876341][ T1397]  ? 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))
[   56.876525][ T1397]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   56.876720][ T1397]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   56.876897][ T1397]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   56.877075][ T1397]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   56.877264][ T1397]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   56.877442][ T1397]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   56.877629][ T1397]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   56.877820][ T1397]  ? copy_msghdr_from_user (net/socket.c:2635)
[   56.877997][ T1397]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   56.878214][ T1397]  ? move_addr_to_kernel (net/socket.c:258)
[   56.878394][ T1397]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   56.878580][ T1397]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   56.878770][ T1397]  ___sys_sendmsg (net/socket.c:2752)
[   56.878946][ T1397]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   56.879153][ T1397]  ? copy_msghdr_from_user (net/socket.c:2603)
[   56.879350][ T1397]  __sys_sendmsg (net/socket.c:2784)
[   56.879534][ T1397]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   56.879722][ T1397]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   56.879933][ T1397]  ? 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)
[   56.880110][ T1397]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   56.880298][ T1397]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   56.880478][ T1397]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   56.880672][ T1397]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   56.880853][ T1397]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   56.881059][ T1397] RIP: 0033:0x7ff7c0aab08e
[   56.881251][ T1397] 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
[   56.881864][ T1397] RSP: 002b:00007ffd0bfd3230 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   56.882204][ T1397] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff7c0aab08e
[   56.882447][ T1397] RDX: 0000000000000000 RSI: 00007ffd0bfd32e0 RDI: 0000000000000005
[   56.882793][ T1397] RBP: 00007ffd0bfd3240 R08: 0000000000000000 R09: 0000000000000000
[   56.883033][ T1397] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d863
[   56.883284][ T1397] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd0bfd39a0
| [   57.003856][ T1401] ------------[ cut here ]------------
| [   57.004037][ T1401] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1401
| [   57.004342][ T1401] Modules linked in: xfrm_user nf_tables
| [   57.005531][ T1401] Tainted: [W]=WARN
[   57.005745][ T1401] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.006016][ T1401] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.006256][ T1401] 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
[   57.006775][ T1401] RSP: 0018:ffa0000001e27020 EFLAGS: 00010286
[   57.006984][ T1401] RAX: 00000000ffffffa6 RBX: ff11000013bdb700 RCX: 1ff40000003c4dca
[   57.007231][ T1401] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013bdb7bc
[   57.007467][ T1401] RBP: ff1100000e769000 R08: 1fe220000277b6f9 R09: ff1100000e602e58
[   57.007723][ T1401] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   57.007962][ T1401] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   57.008211][ T1401] FS:  00007fa089b02840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   57.008484][ T1401] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.008706][ T1401] CR2: 00007fa089dd21a0 CR3: 000000001032d001 CR4: 0000000000771ef0
[   57.008946][ T1401] PKRU: 55555554
[   57.009088][ T1401] Call Trace:
[   57.009241][ T1401]  <TASK>
[   57.009356][ T1401]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.009540][ T1401]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.009699][ T1401]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   57.009877][ T1401]  __dev_notify_flags (net/core/dev.c:9787)
[   57.010056][ T1401]  ? netif_change_name (net/core/dev.c:1495)
[   57.010243][ T1401]  ? __dev_change_flags (net/core/dev.c:9752)
[   57.010422][ T1401]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   57.010607][ T1401]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.010797][ T1401]  ? 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))
[   57.010975][ T1401]  netif_change_flags (net/core/dev.c:9820)
[   57.011153][ T1401]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   57.011338][ T1401]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   57.011520][ T1401]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.011707][ T1401]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.011918][ T1401]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.012093][ T1401]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.012280][ T1401]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.012455][ T1401]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.012640][ T1401]  ? __kernel_text_address (kernel/extable.c:79)
[   57.012830][ T1401]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.013007][ T1401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.013192][ T1401]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.013370][ T1401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.013554][ T1401]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.013742][ T1401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.013918][ T1401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.014095][ T1401]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.014281][ T1401]  ? __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)
[   57.014459][ T1401]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.014645][ T1401]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.014837][ T1401]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.015015][ T1401]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.015201][ T1401]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.015380][ T1401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.015562][ T1401]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.015751][ T1401]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.015930][ T1401]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.016105][ T1401]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.016290][ T1401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.016468][ T1401]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.016664][ T1401]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.016841][ T1401]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.017019][ T1401]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.017203][ T1401]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.017383][ T1401]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.017567][ T1401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.017756][ T1401]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.017935][ T1401]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.018109][ T1401]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.018299][ T1401]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.018477][ T1401]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.018670][ T1401]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.018853][ T1401]  ? 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))
[   57.019026][ T1401]  ? 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))
[   57.019212][ T1401]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.019394][ T1401]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.019580][ T1401]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.019769][ T1401]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.019948][ T1401]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.020130][ T1401]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.020316][ T1401]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.020492][ T1401]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.020689][ T1401]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.020895][ T1401]  ? move_addr_to_kernel (net/socket.c:258)
[   57.021075][ T1401]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.021261][ T1401]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.021443][ T1401]  ___sys_sendmsg (net/socket.c:2752)
[   57.021627][ T1401]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.021848][ T1401]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.022039][ T1401]  __sys_sendmsg (net/socket.c:2784)
[   57.022220][ T1401]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.022396][ T1401]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.022615][ T1401]  ? 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)
[   57.022807][ T1401]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.022985][ T1401]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.023162][ T1401]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.023346][ T1401]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.023529][ T1401]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.023750][ T1401] RIP: 0033:0x7fa089d3c08e
[   57.023932][ T1401] 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
[   57.024443][ T1401] RSP: 002b:00007ffe60f49d60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.024703][ T1401] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa089d3c08e
[   57.024941][ T1401] RDX: 0000000000000000 RSI: 00007ffe60f49e10 RDI: 0000000000000005
[   57.025190][ T1401] RBP: 00007ffe60f49d70 R08: 0000000000000000 R09: 0000000000000000
[   57.025429][ T1401] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d863
[   57.025688][ T1401] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe60f4a4d0
| [   57.028610][  T434] ------------[ cut here ]------------
| [   57.028780][  T434] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 2/434
| [   57.029063][  T434] Modules linked in: xfrm_user nf_tables
| [   57.029563][  T434] Tainted: [W]=WARN
[   57.029713][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.029908][  T434] Workqueue: events_unbound linkwatch_event
[   57.030119][  T434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.030329][  T434] 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
[   57.030889][  T434] RSP: 0018:ffa0000000e879e0 EFLAGS: 00010286
[   57.031148][  T434] RAX: 00000000ffffffa6 RBX: ff110000101b6580 RCX: 1ff40000001d0f02
[   57.031442][  T434] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b663c
[   57.031757][  T434] RBP: ff1100000e769000 R08: 1fe2200002036cc9 R09: ff110000100f2ea8
[   57.032023][  T434] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   57.032293][  T434] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   57.032529][  T434] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   57.032793][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.032989][  T434] CR2: 00007fa089dd21a0 CR3: 000000004994d002 CR4: 0000000000771ef0
[   57.033217][  T434] PKRU: 55555554
[   57.033352][  T434] Call Trace:
[   57.033489][  T434]  <TASK>
[   57.033602][  T434]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.033784][  T434]  ? notifier_call_chain (kernel/notifier.c:85)
[   57.033955][  T434]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.034093][  T434]  netif_state_change (net/core/dev.c:1605)
[   57.034269][  T434]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   57.034464][  T434]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   57.034638][  T434]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   57.034817][  T434]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.034984][  T434]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   57.035148][  T434]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   57.035326][  T434]  process_one_work (kernel/workqueue.c:3314)
[   57.035497][  T434]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   57.035686][  T434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.035857][  T434]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   57.036025][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   57.036195][  T434]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   57.036363][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   57.036534][  T434]  kthread (kernel/kthread.c:436)
[   57.036685][  T434]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   57.036879][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   57.037044][  T434]  ret_from_fork (arch/x86/kernel/process.c:158)
[   57.037219][  T434]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   57.037413][  T434]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   57.037588][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   57.037770][  T434]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   57.039859][  T434] ------------[ cut here ]------------
| [   57.039992][  T434] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 2/434
| [   57.040239][  T434] Modules linked in: xfrm_user nf_tables
| [   57.040639][  T434] Tainted: [W]=WARN
[   57.040738][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.040887][  T434] Workqueue: events_unbound linkwatch_event
[   57.041042][  T434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.041202][  T434] 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
[   57.041639][  T434] RSP: 0018:ffa0000000e879e0 EFLAGS: 00010286
[   57.041807][  T434] RAX: 00000000ffffffa6 RBX: ff110000101b7380 RCX: 1ff40000001d0f02
[   57.041984][  T434] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b743c
[   57.042159][  T434] RBP: ff11000014c29000 R08: 1fe2200002036e89 R09: ff110000100f2ea8
[   57.042339][  T434] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   57.042516][  T434] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   57.042707][  T434] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   57.042914][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.043062][  T434] CR2: 000055d3d5b6bd5c CR3: 0000000009a02001 CR4: 0000000000771ef0
[   57.043245][  T434] PKRU: 55555554
[   57.043335][  T434] Call Trace:
[   57.043424][  T434]  <TASK>
[   57.043487][  T434]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.043615][  T434]  ? notifier_call_chain (kernel/notifier.c:85)
[   57.043742][  T434]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.043834][  T434]  netif_state_change (net/core/dev.c:1605)
[   57.043955][  T434]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   57.044105][  T434]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   57.044229][  T434]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   57.044353][  T434]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.044475][  T434]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   57.044596][  T434]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   57.044721][  T434]  process_one_work (kernel/workqueue.c:3314)
[   57.044917][  T434]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   57.045036][  T434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.045159][  T434]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   57.045286][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   57.045477][  T434]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   57.045600][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   57.045722][  T434]  kthread (kernel/kthread.c:436)
[   57.045812][  T434]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   57.046033][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   57.046152][  T434]  ret_from_fork (arch/x86/kernel/process.c:158)
[   57.046278][  T434]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   57.046425][  T434]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   57.046622][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   57.046748][  T434]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   57.215468][ T1409] ------------[ cut here ]------------
| [   57.215628][ T1409] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1409
| [   57.215905][ T1409] Modules linked in: xfrm_user nf_tables
| [   57.216325][ T1409] Tainted: [W]=WARN
[   57.216427][ T1409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.216601][ T1409] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.216787][ T1409] 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
[   57.217269][ T1409] RSP: 0018:ffa0000001bc6e30 EFLAGS: 00010286
[   57.217438][ T1409] RAX: 00000000ffffffa6 RBX: ff1100000a8f8040 RCX: 1ff4000000378d8c
[   57.217645][ T1409] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8f80fc
[   57.217853][ T1409] RBP: ff1100000923c000 R08: 1fe220000151f021 R09: ff110000100f5180
[   57.218053][ T1409] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   57.218257][ T1409] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000124bc400
[   57.218461][ T1409] FS:  00007f3ad2a0d840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   57.218704][ T1409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.218873][ T1409] CR2: 00000000004eb188 CR3: 000000000f912002 CR4: 0000000000771ef0
[   57.219076][ T1409] PKRU: 55555554
[   57.219182][ T1409] Call Trace:
[   57.219284][ T1409]  <TASK>
[   57.219357][ T1409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.219495][ T1409]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.219636][ T1409]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.219756][ T1409]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   57.219891][ T1409]  __dev_notify_flags (net/core/dev.c:9787)
[   57.220026][ T1409]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   57.220166][ T1409]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   57.220306][ T1409]  ? netif_change_name (net/core/dev.c:1495)
[   57.220440][ T1409]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.220579][ T1409]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.220719][ T1409]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.220858][ T1409]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.220994][ T1409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.221131][ T1409]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   57.221273][ T1409]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   57.221407][ T1409]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   57.221545][ T1409]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   57.221688][ T1409]  veth_newlink (drivers/net/veth.c:1871)
[   57.221824][ T1409]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   57.221956][ T1409]  ? kasan_save_stack (mm/kasan/common.c:57)
[   57.222092][ T1409]  ? kasan_save_track (mm/kasan/common.c:78)
[   57.222233][ T1409]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   57.222384][ T1409]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   57.222524][ T1409]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   57.222664][ T1409]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   57.222799][ T1409]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   57.222935][ T1409]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   57.223072][ T1409]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   57.223215][ T1409]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   57.223349][ T1409]  ? __dev_get_by_name (net/core/dev.c:883)
[   57.223483][ T1409]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   57.223625][ T1409]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   57.223769][ T1409]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.223906][ T1409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.224039][ T1409]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.224178][ T1409]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.224312][ T1409]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.224445][ T1409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.224584][ T1409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.224726][ T1409]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.224861][ T1409]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.224998][ T1409]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.225132][ T1409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.225273][ T1409]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.225409][ T1409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.225546][ T1409]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.225687][ T1409]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.225821][ T1409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.225956][ T1409]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.226095][ T1409]  ? 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))
[   57.226238][ T1409]  ? 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))
[   57.226373][ T1409]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.226512][ T1409]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.226647][ T1409]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.226789][ T1409]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.226926][ T1409]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.227062][ T1409]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.227203][ T1409]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.227337][ T1409]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.227470][ T1409]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.227641][ T1409]  ? move_addr_to_kernel (net/socket.c:258)
[   57.227782][ T1409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.227916][ T1409]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   57.228050][ T1409]  ___sys_sendmsg (net/socket.c:2752)
[   57.228184][ T1409]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   57.228318][ T1409]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.228457][ T1409]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   57.228601][ T1409]  ? 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))
[   57.228744][ T1409]  __sys_sendmsg (net/socket.c:2784)
[   57.228879][ T1409]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.229018][ T1409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.229154][ T1409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.229294][ T1409]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.229427][ T1409]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.229564][ T1409]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.229702][ T1409]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.229868][ T1409] RIP: 0033:0x7f3ad2c4708e
[   57.230012][ T1409] 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
[   57.230491][ T1409] RSP: 002b:00007ffddc4eda90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.230700][ T1409] RAX: ffffffffffffffda RBX: 00007ffddc4ee228 RCX: 00007f3ad2c4708e
[   57.230899][ T1409] RDX: 0000000000000000 RSI: 00007ffddc4edb40 RDI: 0000000000000005
[   57.231100][ T1409] RBP: 00007ffddc4edaa0 R08: 0000000000000000 R09: 0000000000000000
[   57.231304][ T1409] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d863
[   57.231508][ T1409] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffddc4ee200
| [   57.239271][ T1409] ------------[ cut here ]------------
| [   57.239415][ T1409] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1409
| [   57.240204][ T1409] Modules linked in: xfrm_user nf_tables
| [   57.240612][ T1409] Tainted: [W]=WARN
[   57.240932][ T1409] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.241099][ T1409] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.241277][ T1409] 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
[   57.241810][ T1409] RSP: 0018:ffa0000001bc71b0 EFLAGS: 00010286
[   57.241977][ T1409] RAX: 00000000ffffffa6 RBX: ff1100000532be00 RCX: 1ff4000000378dfc
[   57.242179][ T1409] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000532bebc
[   57.242378][ T1409] RBP: ff11000010aa9000 R08: 1fe2200000a657d9 R09: ff110000100f5180
[   57.242579][ T1409] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   57.242833][ T1409] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   57.243033][ T1409] FS:  00007f3ad2a0d840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   57.243273][ T1409] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.243438][ T1409] CR2: 00000000004eb188 CR3: 000000000f912002 CR4: 0000000000771ef0
[   57.243639][ T1409] PKRU: 55555554
[   57.243796][ T1409] Call Trace:
[   57.243895][ T1409]  <TASK>
[   57.243964][ T1409]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.244097][ T1409]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.244205][ T1409]  __dev_notify_flags (net/core/dev.c:9787)
[   57.244338][ T1409]  ? netif_change_name (net/core/dev.c:1495)
[   57.244472][ T1409]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   57.244610][ T1409]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   57.244804][ T1409]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   57.244938][ T1409]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   57.245071][ T1409]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   57.245209][ T1409]  ? __dev_get_by_name (net/core/dev.c:883)
[   57.245341][ T1409]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   57.245480][ T1409]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   57.245618][ T1409]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.245809][ T1409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.245940][ T1409]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.246072][ T1409]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.246210][ T1409]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.246342][ T1409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.246480][ T1409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.246615][ T1409]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.246804][ T1409]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.246937][ T1409]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.247069][ T1409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.247207][ T1409]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.247341][ T1409]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.247473][ T1409]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.247610][ T1409]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.247800][ T1409]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.247933][ T1409]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.248068][ T1409]  ? 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))
[   57.248205][ T1409]  ? 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))
[   57.248338][ T1409]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.248473][ T1409]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.248609][ T1409]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.248798][ T1409]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.248930][ T1409]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.249064][ T1409]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.249201][ T1409]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.249332][ T1409]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.249464][ T1409]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.249630][ T1409]  ? move_addr_to_kernel (net/socket.c:258)
[   57.249821][ T1409]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.249955][ T1409]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   57.250088][ T1409]  ___sys_sendmsg (net/socket.c:2752)
[   57.250228][ T1409]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   57.250363][ T1409]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.250500][ T1409]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   57.250639][ T1409]  ? 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))
[   57.250832][ T1409]  __sys_sendmsg (net/socket.c:2784)
[   57.250967][ T1409]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.251104][ T1409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.251242][ T1409]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.251377][ T1409]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.251512][ T1409]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.251645][ T1409]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.251835][ T1409]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.251999][ T1409] RIP: 0033:0x7f3ad2c4708e
[   57.252138][ T1409] 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
[   57.252622][ T1409] RSP: 002b:00007ffddc4eda90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.252883][ T1409] RAX: ffffffffffffffda RBX: 00007ffddc4ee228 RCX: 00007f3ad2c4708e
[   57.253083][ T1409] RDX: 0000000000000000 RSI: 00007ffddc4edb40 RDI: 0000000000000005
[   57.253286][ T1409] RBP: 00007ffddc4edaa0 R08: 0000000000000000 R09: 0000000000000000
[   57.253484][ T1409] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d863
[   57.253745][ T1409] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffddc4ee200
| [   57.276050][   T73] ------------[ cut here ]------------
| [   57.276188][   T73] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 2/73
| [   57.276431][   T73] Modules linked in: xfrm_user nf_tables
| [   57.276845][   T73] Tainted: [W]=WARN
[   57.276937][   T73] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.277089][   T73] Workqueue: events_unbound linkwatch_event
[   57.277249][   T73] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.277405][   T73] 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
[   57.277836][   T73] RSP: 0018:ffa00000004e79e0 EFLAGS: 00010286
[   57.277985][   T73] RAX: 00000000ffffffa6 RBX: ff1100000dda9a80 RCX: 1ff400000009cf02
[   57.278161][   T73] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda9b3c
[   57.278342][   T73] RBP: ff11000012bbc000 R08: 1fe2200001bb5369 R09: ff11000009c58ba8
[   57.278524][   T73] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   57.278716][   T73] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   57.278897][   T73] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   57.279104][   T73] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.279258][   T73] CR2: 000055d401a14a68 CR3: 000000004994d003 CR4: 0000000000771ef0
[   57.279436][   T73] PKRU: 55555554
[   57.279528][   T73] Call Trace:
[   57.279616][   T73]  <TASK>
[   57.279685][   T73]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.279805][   T73]  ? notifier_call_chain (kernel/notifier.c:85)
[   57.279924][   T73]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.280016][   T73]  netif_state_change (net/core/dev.c:1605)
[   57.280134][   T73]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   57.280289][   T73]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   57.280409][   T73]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   57.280532][   T73]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.280661][   T73]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   57.280785][   T73]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   57.280905][   T73]  process_one_work (kernel/workqueue.c:3314)
[   57.281029][   T73]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   57.281148][   T73]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.281276][   T73]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   57.281397][   T73]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   57.281518][   T73]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   57.281639][   T73]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   57.281764][   T73]  kthread (kernel/kthread.c:436)
[   57.281854][   T73]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   57.282005][   T73]  ? kthread_affine_node (kernel/kthread.c:378)
[   57.282126][   T73]  ret_from_fork (arch/x86/kernel/process.c:158)
[   57.282254][   T73]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   57.282403][   T73]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   57.282526][   T73]  ? kthread_affine_node (kernel/kthread.c:378)
[   57.282645][   T73]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   57.367202][ T1413] ------------[ cut here ]------------
| [   57.367351][ T1413] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1413
| [   57.367613][ T1413] Modules linked in: xfrm_user nf_tables
| [   57.368606][ T1413] Tainted: [W]=WARN
[   57.368709][ T1413] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.368869][ T1413] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.369037][ T1413] 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
[   57.369501][ T1413] RSP: 0018:ffa0000001e57020 EFLAGS: 00010286
[   57.369668][ T1413] RAX: 00000000ffffffa6 RBX: ff1100000ceaee40 RCX: 1ff40000003cadca
[   57.369858][ T1413] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceaeefc
[   57.370048][ T1413] RBP: ff11000010aa9000 R08: 1fe22000019d5de1 R09: ff1100000fd90b58
[   57.370245][ T1413] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   57.370435][ T1413] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   57.370632][ T1413] FS:  00007f7960b7a840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   57.370861][ T1413] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.371021][ T1413] CR2: 0000000016ed0988 CR3: 000000000f912001 CR4: 0000000000771ef0
[   57.371221][ T1413] PKRU: 55555554
[   57.371317][ T1413] Call Trace:
[   57.371414][ T1413]  <TASK>
[   57.371481][ T1413]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.371612][ T1413]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.371716][ T1413]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   57.371845][ T1413]  __dev_notify_flags (net/core/dev.c:9787)
[   57.371974][ T1413]  ? netif_change_name (net/core/dev.c:1495)
[   57.372103][ T1413]  ? __dev_change_flags (net/core/dev.c:9752)
[   57.372238][ T1413]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   57.372365][ T1413]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.372496][ T1413]  ? 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))
[   57.372630][ T1413]  netif_change_flags (net/core/dev.c:9820)
[   57.372762][ T1413]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   57.372892][ T1413]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   57.373025][ T1413]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.373154][ T1413]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.373319][ T1413]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.373447][ T1413]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.373578][ T1413]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.373711][ T1413]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.373841][ T1413]  ? __kernel_text_address (kernel/extable.c:79)
[   57.373971][ T1413]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.374101][ T1413]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.374234][ T1413]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.374363][ T1413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.374492][ T1413]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.374623][ T1413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.374756][ T1413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.374885][ T1413]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.375015][ T1413]  ? __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)
[   57.375142][ T1413]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.375276][ T1413]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.375407][ T1413]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.375542][ T1413]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.375679][ T1413]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.375810][ T1413]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.375939][ T1413]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.376068][ T1413]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.376201][ T1413]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.376328][ T1413]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.376459][ T1413]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.376591][ T1413]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.376725][ T1413]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.376855][ T1413]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.376983][ T1413]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.377112][ T1413]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.377246][ T1413]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.377375][ T1413]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.377504][ T1413]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.377636][ T1413]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.377768][ T1413]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.377898][ T1413]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.378025][ T1413]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.378154][ T1413]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.378292][ T1413]  ? 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))
[   57.378419][ T1413]  ? 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))
[   57.378550][ T1413]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.378685][ T1413]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.378815][ T1413]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.378944][ T1413]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.379073][ T1413]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.379209][ T1413]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.379340][ T1413]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.379468][ T1413]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.379600][ T1413]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.379761][ T1413]  ? move_addr_to_kernel (net/socket.c:258)
[   57.379892][ T1413]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.380020][ T1413]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.380151][ T1413]  ___sys_sendmsg (net/socket.c:2752)
[   57.380282][ T1413]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.380442][ T1413]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.380586][ T1413]  __sys_sendmsg (net/socket.c:2784)
[   57.380721][ T1413]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.380849][ T1413]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.381011][ T1413]  ? 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)
[   57.381140][ T1413]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.381274][ T1413]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.381403][ T1413]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.381535][ T1413]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.381669][ T1413]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.381830][ T1413] RIP: 0033:0x7f7960db408e
[   57.381966][ T1413] 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
[   57.382432][ T1413] RSP: 002b:00007fff3f023800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.382630][ T1413] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7960db408e
[   57.382826][ T1413] RDX: 0000000000000000 RSI: 00007fff3f0238b0 RDI: 0000000000000005
[   57.383018][ T1413] RBP: 00007fff3f023810 R08: 0000000000000000 R09: 0000000000000000
[   57.383216][ T1413] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d863
[   57.383408][ T1413] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff3f023f70
| [   57.505318][ T1417] ------------[ cut here ]------------
| [   57.505503][ T1417] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1417
| [   57.505825][ T1417] Modules linked in: xfrm_user nf_tables
| [   57.506316][ T1417] Tainted: [W]=WARN
[   57.506460][ T1417] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.506688][ T1417] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.506903][ T1417] 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
[   57.507426][ T1417] RSP: 0018:ffa0000001e57020 EFLAGS: 00010286
[   57.507642][ T1417] RAX: 00000000ffffffa6 RBX: ff11000010251000 RCX: 1ff40000003cadca
[   57.507956][ T1417] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102510bc
[   57.508228][ T1417] RBP: ff1100000923c000 R08: 1fe220000204a219 R09: ff11000009c5ae58
[   57.508464][ T1417] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   57.508720][ T1417] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   57.508960][ T1417] FS:  00007ffb3a9ae840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   57.509240][ T1417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.509448][ T1417] CR2: 000000003c212988 CR3: 000000000a25e002 CR4: 0000000000771ef0
[   57.509714][ T1417] PKRU: 55555554
[   57.509856][ T1417] Call Trace:
[   57.510000][ T1417]  <TASK>
[   57.510114][ T1417]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.510304][ T1417]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.510453][ T1417]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   57.510637][ T1417]  __dev_notify_flags (net/core/dev.c:9787)
[   57.510828][ T1417]  ? netif_change_name (net/core/dev.c:1495)
[   57.511004][ T1417]  ? __dev_change_flags (net/core/dev.c:9752)
[   57.511188][ T1417]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   57.511363][ T1417]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.511549][ T1417]  ? 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))
[   57.511737][ T1417]  netif_change_flags (net/core/dev.c:9820)
[   57.511914][ T1417]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   57.512091][ T1417]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   57.512281][ T1417]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.512460][ T1417]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.512688][ T1417]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.512864][ T1417]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.513039][ T1417]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.513219][ T1417]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.513397][ T1417]  ? __kernel_text_address (kernel/extable.c:79)
[   57.513581][ T1417]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.513769][ T1417]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.513945][ T1417]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.514122][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.514307][ T1417]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.514482][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.514676][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.514855][ T1417]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.515033][ T1417]  ? __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)
[   57.515219][ T1417]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.515397][ T1417]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.515582][ T1417]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.515771][ T1417]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.515953][ T1417]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.516131][ T1417]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.516313][ T1417]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.516489][ T1417]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.516682][ T1417]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.516857][ T1417]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.517036][ T1417]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.517217][ T1417]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.517397][ T1417]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.517581][ T1417]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.517768][ T1417]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.517945][ T1417]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.518123][ T1417]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.518307][ T1417]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.518482][ T1417]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.518676][ T1417]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.518852][ T1417]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.519030][ T1417]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.519216][ T1417]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.519392][ T1417]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.519581][ T1417]  ? 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))
[   57.519766][ T1417]  ? 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))
[   57.519944][ T1417]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.520124][ T1417]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.520309][ T1417]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.520486][ T1417]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.520681][ T1417]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.520859][ T1417]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.521037][ T1417]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.521221][ T1417]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.521396][ T1417]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.521613][ T1417]  ? move_addr_to_kernel (net/socket.c:258)
[   57.521802][ T1417]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.521978][ T1417]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.522158][ T1417]  ___sys_sendmsg (net/socket.c:2752)
[   57.522343][ T1417]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.522558][ T1417]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.522760][ T1417]  __sys_sendmsg (net/socket.c:2784)
[   57.522939][ T1417]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.523114][ T1417]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.523333][ T1417]  ? 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)
[   57.523513][ T1417]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.523705][ T1417]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.523883][ T1417]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.524059][ T1417]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.524248][ T1417]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.524454][ T1417] RIP: 0033:0x7ffb3abe808e
[   57.524645][ T1417] 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
[   57.525159][ T1417] RSP: 002b:00007fff441f83e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.525412][ T1417] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ffb3abe808e
[   57.525670][ T1417] RDX: 0000000000000000 RSI: 00007fff441f8490 RDI: 0000000000000005
[   57.525909][ T1417] RBP: 00007fff441f83f0 R08: 0000000000000000 R09: 0000000000000000
[   57.526147][ T1417] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d863
[   57.526397][ T1417] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff441f8b50
| [   57.529135][  T434] ------------[ cut here ]------------
| [   57.529271][  T434] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 2/434
| [   57.529510][  T434] Modules linked in: xfrm_user nf_tables
| [   57.529910][  T434] Tainted: [W]=WARN
[   57.530000][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.530148][  T434] Workqueue: events_unbound linkwatch_event
[   57.530303][  T434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.530456][  T434] 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
[   57.530886][  T434] RSP: 0018:ffa0000000e879e0 EFLAGS: 00010286
[   57.531037][  T434] RAX: 00000000ffffffa6 RBX: ff11000010251e00 RCX: 1ff40000001d0f02
[   57.531216][  T434] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010251ebc
[   57.531393][  T434] RBP: ff1100000923c000 R08: 1fe220000204a3d9 R09: ff110000100f2ea8
[   57.531572][  T434] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   57.531757][  T434] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   57.531934][  T434] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   57.532139][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.532293][  T434] CR2: 000055d3d5b6bd5c CR3: 000000001227c004 CR4: 0000000000771ef0
[   57.532470][  T434] PKRU: 55555554
[   57.532562][  T434] Call Trace:
[   57.532656][  T434]  <TASK>
[   57.532718][  T434]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.532836][  T434]  ? notifier_call_chain (kernel/notifier.c:85)
[   57.532956][  T434]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.533047][  T434]  netif_state_change (net/core/dev.c:1605)
[   57.533165][  T434]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   57.533319][  T434]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   57.533438][  T434]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   57.533560][  T434]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.533688][  T434]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   57.533806][  T434]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   57.533924][  T434]  process_one_work (kernel/workqueue.c:3314)
[   57.534046][  T434]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   57.534164][  T434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.534294][  T434]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   57.534413][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   57.534533][  T434]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   57.534657][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   57.534775][  T434]  kthread (kernel/kthread.c:436)
[   57.534865][  T434]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   57.535012][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   57.535130][  T434]  ret_from_fork (arch/x86/kernel/process.c:158)
[   57.535257][  T434]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   57.535410][  T434]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   57.535531][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   57.535649][  T434]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   57.537277][  T434] ------------[ cut here ]------------
| [   57.537395][  T434] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 2/434
| [   57.537628][  T434] Modules linked in: xfrm_user nf_tables
| [   57.538023][  T434] Tainted: [W]=WARN
[   57.538111][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.538270][  T434] Workqueue: events_unbound linkwatch_event
[   57.538421][  T434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.538577][  T434] 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
[   57.539004][  T434] RSP: 0018:ffa0000000e879e0 EFLAGS: 00010286
[   57.539152][  T434] RAX: 00000000ffffffa6 RBX: ff1100000dda8040 RCX: 1ff40000001d0f02
[   57.539334][  T434] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda80fc
[   57.539512][  T434] RBP: ff11000010aa9000 R08: 1fe2200001bb5021 R09: ff110000100f2ea8
[   57.539704][  T434] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   57.539879][  T434] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   57.540056][  T434] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   57.540269][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.540418][  T434] CR2: 000055d3d5b6bd5c CR3: 000000001227c004 CR4: 0000000000771ef0
[   57.540598][  T434] PKRU: 55555554
[   57.540692][  T434] Call Trace:
[   57.540781][  T434]  <TASK>
[   57.540842][  T434]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.540960][  T434]  ? notifier_call_chain (kernel/notifier.c:85)
[   57.541079][  T434]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.541179][  T434]  netif_state_change (net/core/dev.c:1605)
[   57.541299][  T434]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   57.541449][  T434]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   57.541569][  T434]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   57.541694][  T434]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.541814][  T434]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   57.541933][  T434]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   57.542054][  T434]  process_one_work (kernel/workqueue.c:3314)
[   57.542179][  T434]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   57.542298][  T434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.542422][  T434]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   57.542544][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   57.542664][  T434]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   57.542787][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   57.542905][  T434]  kthread (kernel/kthread.c:436)
[   57.542995][  T434]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   57.543146][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   57.543269][  T434]  ret_from_fork (arch/x86/kernel/process.c:158)
[   57.543388][  T434]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   57.543538][  T434]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   57.543661][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   57.543780][  T434]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   57.717402][ T1425] ------------[ cut here ]------------
| [   57.717599][ T1425] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1425
| [   57.717997][ T1425] Modules linked in: xfrm_user nf_tables
| [   57.718504][ T1425] Tainted: [W]=WARN
[   57.718668][ T1425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.718887][ T1425] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.719106][ T1425] 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
[   57.719638][ T1425] RSP: 0018:ffa0000001e96e30 EFLAGS: 00010286
[   57.719864][ T1425] RAX: 00000000ffffffa6 RBX: ff1100000ebe9700 RCX: 1ff40000003d2d8c
[   57.720107][ T1425] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ebe97bc
[   57.720358][ T1425] RBP: ff1100000538c000 R08: 1fe2200001d7d2f9 R09: ff11000014da2e80
[   57.720609][ T1425] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   57.720874][ T1425] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e493c00
[   57.721131][ T1425] FS:  00007f784d931840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   57.721421][ T1425] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.721646][ T1425] CR2: 00000000004eb188 CR3: 000000000feb7006 CR4: 0000000000771ef0
[   57.721906][ T1425] PKRU: 55555554
[   57.722054][ T1425] Call Trace:
[   57.722208][ T1425]  <TASK>
[   57.722327][ T1425]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.722515][ T1425]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.722679][ T1425]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   57.722892][ T1425]  __dev_notify_flags (net/core/dev.c:9787)
[   57.723075][ T1425]  ? netif_change_name (net/core/dev.c:1495)
[   57.723262][ T1425]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.723444][ T1425]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.723630][ T1425]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.723826][ T1425]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   57.724008][ T1425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.724196][ T1425]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   57.724379][ T1425]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   57.724566][ T1425]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   57.724760][ T1425]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   57.724945][ T1425]  veth_newlink (drivers/net/veth.c:1871)
[   57.725126][ T1425]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   57.725316][ T1425]  ? kasan_save_stack (mm/kasan/common.c:57)
[   57.725498][ T1425]  ? kasan_save_track (mm/kasan/common.c:78)
[   57.725697][ T1425]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   57.725893][ T1425]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   57.726072][ T1425]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   57.726262][ T1425]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   57.726446][ T1425]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   57.726638][ T1425]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   57.726901][ T1425]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   57.727140][ T1425]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   57.727378][ T1425]  ? __dev_get_by_name (net/core/dev.c:883)
[   57.727617][ T1425]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   57.727811][ T1425]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   57.727997][ T1425]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.728187][ T1425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.728367][ T1425]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.728553][ T1425]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.728745][ T1425]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.728933][ T1425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.729117][ T1425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.729310][ T1425]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.729494][ T1425]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.729698][ T1425]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.729878][ T1425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.730055][ T1425]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.730247][ T1425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.730427][ T1425]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.730617][ T1425]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.730807][ T1425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.730988][ T1425]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.731181][ T1425]  ? 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))
[   57.731360][ T1425]  ? 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))
[   57.731550][ T1425]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.731746][ T1425]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.731925][ T1425]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.732106][ T1425]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.732297][ T1425]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.732482][ T1425]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.732682][ T1425]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.732862][ T1425]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.733041][ T1425]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.733261][ T1425]  ? move_addr_to_kernel (net/socket.c:258)
[   57.733444][ T1425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.733634][ T1425]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   57.733828][ T1425]  ___sys_sendmsg (net/socket.c:2752)
[   57.734007][ T1425]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   57.734194][ T1425]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.734379][ T1425]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   57.734571][ T1425]  ? 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))
[   57.734767][ T1425]  __sys_sendmsg (net/socket.c:2784)
[   57.734949][ T1425]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.735132][ T1425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.735320][ T1425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.735502][ T1425]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.735710][ T1425]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.735890][ T1425]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.736071][ T1425]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.736292][ T1425] RIP: 0033:0x7f784db6b08e
[   57.736480][ T1425] 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
[   57.737015][ T1425] RSP: 002b:00007ffd679e7810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.737270][ T1425] RAX: ffffffffffffffda RBX: 00007ffd679e7fa8 RCX: 00007f784db6b08e
[   57.737517][ T1425] RDX: 0000000000000000 RSI: 00007ffd679e78c0 RDI: 0000000000000005
[   57.737776][ T1425] RBP: 00007ffd679e7820 R08: 0000000000000000 R09: 0000000000000000
[   57.738019][ T1425] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d863
[   57.738272][ T1425] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd679e7f80
| [   57.752560][ T1425] ------------[ cut here ]------------
| [   57.752745][ T1425] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1425
| [   57.753050][ T1425] Modules linked in: xfrm_user nf_tables
| [   57.753557][ T1425] Tainted: [W]=WARN
[   57.753717][ T1425] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.753928][ T1425] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.754144][ T1425] 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
[   57.754681][ T1425] RSP: 0018:ffa0000001e971b0 EFLAGS: 00010286
[   57.754893][ T1425] RAX: 00000000ffffffa6 RBX: ff1100000ce10580 RCX: 1ff40000003d2dfc
[   57.755134][ T1425] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce1063c
[   57.755382][ T1425] RBP: ff1100000fdac000 R08: 1fe22000019c20c9 R09: ff11000014da2e80
[   57.755631][ T1425] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   57.755887][ T1425] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   57.756133][ T1425] FS:  00007f784d931840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   57.756417][ T1425] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.756637][ T1425] CR2: 00000000004eb188 CR3: 000000000feb7006 CR4: 0000000000771ef0
[   57.756894][ T1425] PKRU: 55555554
[   57.757040][ T1425] Call Trace:
[   57.757193][ T1425]  <TASK>
[   57.757309][ T1425]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.757491][ T1425]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.757647][ T1425]  __dev_notify_flags (net/core/dev.c:9787)
[   57.757841][ T1425]  ? netif_change_name (net/core/dev.c:1495)
[   57.758021][ T1425]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   57.758208][ T1425]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   57.758389][ T1425]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   57.758578][ T1425]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   57.758772][ T1425]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   57.758950][ T1425]  ? __dev_get_by_name (net/core/dev.c:883)
[   57.759127][ T1425]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   57.759321][ T1425]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   57.759508][ T1425]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.759703][ T1425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.759881][ T1425]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.760060][ T1425]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.760248][ T1425]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.760425][ T1425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.760617][ T1425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.760807][ T1425]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.760986][ T1425]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.761165][ T1425]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.761352][ T1425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.761539][ T1425]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.761733][ T1425]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.761911][ T1425]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.762091][ T1425]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.762278][ T1425]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.762458][ T1425]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.762648][ T1425]  ? 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))
[   57.762839][ T1425]  ? 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))
[   57.763023][ T1425]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.763209][ T1425]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.763389][ T1425]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.763577][ T1425]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.763769][ T1425]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.763966][ T1425]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.764152][ T1425]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.764338][ T1425]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.764523][ T1425]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.764745][ T1425]  ? move_addr_to_kernel (net/socket.c:258)
[   57.764924][ T1425]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.765102][ T1425]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   57.765287][ T1425]  ___sys_sendmsg (net/socket.c:2752)
[   57.765465][ T1425]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   57.765663][ T1425]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.765848][ T1425]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   57.766032][ T1425]  ? 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))
[   57.766219][ T1425]  __sys_sendmsg (net/socket.c:2784)
[   57.766399][ T1425]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.766589][ T1425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.766781][ T1425]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.766960][ T1425]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.767141][ T1425]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.767327][ T1425]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.767508][ T1425]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.767733][ T1425] RIP: 0033:0x7f784db6b08e
[   57.767916][ T1425] 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
[   57.768435][ T1425] RSP: 002b:00007ffd679e7810 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.768695][ T1425] RAX: ffffffffffffffda RBX: 00007ffd679e7fa8 RCX: 00007f784db6b08e
[   57.768938][ T1425] RDX: 0000000000000000 RSI: 00007ffd679e78c0 RDI: 0000000000000005
[   57.769187][ T1425] RBP: 00007ffd679e7820 R08: 0000000000000000 R09: 0000000000000000
[   57.769432][ T1425] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d863
[   57.769694][ T1425] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd679e7f80
| [   57.871602][ T1429] ------------[ cut here ]------------
| [   57.871805][ T1429] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1429
| [   57.872107][ T1429] Modules linked in: xfrm_user nf_tables
| [   57.872614][ T1429] Tainted: [W]=WARN
[   57.872836][ T1429] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   57.873099][ T1429] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   57.873377][ T1429] 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
[   57.873956][ T1429] RSP: 0018:ffa0000001e67020 EFLAGS: 00010286
[   57.874230][ T1429] RAX: 00000000ffffffa6 RBX: ff1100000d092900 RCX: 1ff40000003ccdca
[   57.874536][ T1429] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0929bc
[   57.874852][ T1429] RBP: ff1100000fdac000 R08: 1fe2200001a12539 R09: ff1100000fbfd158
[   57.875157][ T1429] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   57.875456][ T1429] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   57.875738][ T1429] FS:  00007fb706c02840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   57.876007][ T1429] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.876222][ T1429] CR2: 00007fb706ed21a0 CR3: 000000001301e004 CR4: 0000000000771ef0
[   57.876464][ T1429] PKRU: 55555554
[   57.876615][ T1429] Call Trace:
[   57.876770][ T1429]  <TASK>
[   57.876884][ T1429]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   57.877063][ T1429]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   57.877218][ T1429]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   57.877394][ T1429]  __dev_notify_flags (net/core/dev.c:9787)
[   57.877581][ T1429]  ? netif_change_name (net/core/dev.c:1495)
[   57.877768][ T1429]  ? __dev_change_flags (net/core/dev.c:9752)
[   57.877947][ T1429]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   57.878124][ T1429]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.878311][ T1429]  ? 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))
[   57.878490][ T1429]  netif_change_flags (net/core/dev.c:9820)
[   57.878689][ T1429]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   57.878866][ T1429]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   57.879044][ T1429]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   57.879227][ T1429]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   57.879435][ T1429]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   57.879619][ T1429]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.879807][ T1429]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   57.879984][ T1429]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.880161][ T1429]  ? __kernel_text_address (kernel/extable.c:79)
[   57.880347][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.880529][ T1429]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.880719][ T1429]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.880896][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.881074][ T1429]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   57.881253][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.881428][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.881614][ T1429]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   57.881802][ T1429]  ? __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)
[   57.881978][ T1429]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   57.882155][ T1429]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   57.882342][ T1429]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   57.882527][ T1429]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   57.882721][ T1429]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   57.882900][ T1429]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.883075][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.883262][ T1429]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.883438][ T1429]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   57.883621][ T1429]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.883814][ T1429]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.883989][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.884166][ T1429]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.884352][ T1429]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   57.884532][ T1429]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   57.884725][ T1429]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   57.884903][ T1429]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.885080][ T1429]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.885267][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.885447][ T1429]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   57.885630][ T1429]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   57.885822][ T1429]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   57.885999][ T1429]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   57.886185][ T1429]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   57.886367][ T1429]  ? 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))
[   57.886549][ T1429]  ? 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))
[   57.886738][ T1429]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   57.886919][ T1429]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   57.887095][ T1429]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   57.887283][ T1429]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   57.887465][ T1429]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   57.887665][ T1429]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   57.887843][ T1429]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   57.888021][ T1429]  ? copy_msghdr_from_user (net/socket.c:2635)
[   57.888204][ T1429]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   57.888413][ T1429]  ? move_addr_to_kernel (net/socket.c:258)
[   57.888599][ T1429]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   57.888791][ T1429]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   57.888972][ T1429]  ___sys_sendmsg (net/socket.c:2752)
[   57.889147][ T1429]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   57.889363][ T1429]  ? copy_msghdr_from_user (net/socket.c:2603)
[   57.889556][ T1429]  __sys_sendmsg (net/socket.c:2784)
[   57.889749][ T1429]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   57.889923][ T1429]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   57.890135][ T1429]  ? 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)
[   57.890318][ T1429]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   57.890496][ T1429]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   57.890694][ T1429]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   57.890870][ T1429]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   57.891049][ T1429]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   57.891265][ T1429] RIP: 0033:0x7fb706e3c08e
[   57.891448][ T1429] 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
[   57.891971][ T1429] RSP: 002b:00007ffc062cdb10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   57.892221][ T1429] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb706e3c08e
[   57.892460][ T1429] RDX: 0000000000000000 RSI: 00007ffc062cdbc0 RDI: 0000000000000005
[   57.892721][ T1429] RBP: 00007ffc062cdb20 R08: 0000000000000000 R09: 0000000000000000
[   57.892961][ T1429] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d864
[   57.893210][ T1429] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc062ce280
| [   58.009736][ T1433] ------------[ cut here ]------------
| [   58.009924][ T1433] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1433
| [   58.010236][ T1433] Modules linked in: xfrm_user nf_tables
| [   58.010744][ T1433] Tainted: [W]=WARN
[   58.010889][ T1433] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.011098][ T1433] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.011321][ T1433] 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
[   58.011852][ T1433] RSP: 0018:ffa0000001e37020 EFLAGS: 00010286
[   58.012061][ T1433] RAX: 00000000ffffffa6 RBX: ff1100000bbeb700 RCX: 1ff40000003c6dca
[   58.012307][ T1433] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbeb7bc
[   58.012553][ T1433] RBP: ff1100000538c000 R08: 1fe220000177d6f9 R09: ff1100000de80b58
[   58.012806][ T1433] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   58.013044][ T1433] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   58.013294][ T1433] FS:  00007fc1ee9e8840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   58.013578][ T1433] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.013810][ T1433] CR2: 00000000011f0988 CR3: 0000000014cb9005 CR4: 0000000000771ef0
[   58.014058][ T1433] PKRU: 55555554
[   58.014207][ T1433] Call Trace:
[   58.014350][ T1433]  <TASK>
[   58.014465][ T1433]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.014667][ T1433]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.014815][ T1433]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   58.014990][ T1433]  __dev_notify_flags (net/core/dev.c:9787)
[   58.015205][ T1433]  ? netif_change_name (net/core/dev.c:1495)
[   58.015388][ T1433]  ? __dev_change_flags (net/core/dev.c:9752)
[   58.015574][ T1433]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   58.015764][ T1433]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.015943][ T1433]  ? 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))
[   58.016122][ T1433]  netif_change_flags (net/core/dev.c:9820)
[   58.016309][ T1433]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   58.016485][ T1433]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   58.016683][ T1433]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.016863][ T1433]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.017073][ T1433]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.017260][ T1433]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.017441][ T1433]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.017624][ T1433]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.017881][ T1433]  ? __kernel_text_address (kernel/extable.c:79)
[   58.018141][ T1433]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.018393][ T1433]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.018577][ T1433]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.018767][ T1433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.018953][ T1433]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.019129][ T1433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.019313][ T1433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.019491][ T1433]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.019690][ T1433]  ? __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)
[   58.019867][ T1433]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.020045][ T1433]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.020234][ T1433]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.020418][ T1433]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.020609][ T1433]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.020801][ T1433]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.020976][ T1433]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.021152][ T1433]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.021336][ T1433]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.021514][ T1433]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.021707][ T1433]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.021885][ T1433]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.022063][ T1433]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.022249][ T1433]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.022428][ T1433]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.022614][ T1433]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.022804][ T1433]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.022981][ T1433]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.023157][ T1433]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.023348][ T1433]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.023527][ T1433]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.023721][ T1433]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.023899][ T1433]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.024076][ T1433]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.024265][ T1433]  ? 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))
[   58.024444][ T1433]  ? 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))
[   58.024635][ T1433]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.024827][ T1433]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.025004][ T1433]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.025189][ T1433]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.025368][ T1433]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.025553][ T1433]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.025746][ T1433]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.025924][ T1433]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.026104][ T1433]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.026315][ T1433]  ? move_addr_to_kernel (net/socket.c:258)
[   58.026493][ T1433]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.026692][ T1433]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.026873][ T1433]  ___sys_sendmsg (net/socket.c:2752)
[   58.027051][ T1433]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.027269][ T1433]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.027460][ T1433]  __sys_sendmsg (net/socket.c:2784)
[   58.027663][ T1433]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.027839][ T1433]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.028051][ T1433]  ? 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)
[   58.028237][ T1433]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.028419][ T1433]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.028605][ T1433]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.028799][ T1433]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.028976][ T1433]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.029189][ T1433] RIP: 0033:0x7fc1eec2208e
[   58.029372][ T1433] 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
[   58.029900][ T1433] RSP: 002b:00007ffe92b44760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.030140][ T1433] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc1eec2208e
[   58.030386][ T1433] RDX: 0000000000000000 RSI: 00007ffe92b44810 RDI: 0000000000000005
[   58.030632][ T1433] RBP: 00007ffe92b44770 R08: 0000000000000000 R09: 0000000000000000
[   58.030885][ T1433] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d864
[   58.031126][ T1433] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe92b44ed0
| [   58.034065][  T434] ------------[ cut here ]------------
| [   58.034210][  T434] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 2/434
| [   58.034441][  T434] Modules linked in: xfrm_user nf_tables
| [   58.034841][  T434] Tainted: [W]=WARN
[   58.034932][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.035080][  T434] Workqueue: events_unbound linkwatch_event
[   58.035239][  T434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.035392][  T434] 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
[   58.035817][  T434] RSP: 0018:ffa0000000e879e0 EFLAGS: 00010286
[   58.035967][  T434] RAX: 00000000ffffffa6 RBX: ff110000027de200 RCX: 1ff40000001d0f02
[   58.036144][  T434] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000027de2bc
[   58.036327][  T434] RBP: ff1100000538c000 R08: 1fe22000004fbc59 R09: ff110000100f2ea8
[   58.036510][  T434] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   58.036692][  T434] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.036871][  T434] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   58.037078][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.037233][  T434] CR2: 00007f4cd72fcf98 CR3: 000000004994d005 CR4: 0000000000771ef0
[   58.037412][  T434] PKRU: 55555554
[   58.037502][  T434] Call Trace:
[   58.037593][  T434]  <TASK>
[   58.037662][  T434]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.037781][  T434]  ? notifier_call_chain (kernel/notifier.c:85)
[   58.037900][  T434]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.037990][  T434]  netif_state_change (net/core/dev.c:1605)
[   58.038110][  T434]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   58.038265][  T434]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   58.038383][  T434]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   58.038503][  T434]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.038626][  T434]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   58.038749][  T434]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   58.038868][  T434]  process_one_work (kernel/workqueue.c:3314)
[   58.038990][  T434]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.039107][  T434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.039238][  T434]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.039357][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.039473][  T434]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.039597][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.039721][  T434]  kthread (kernel/kthread.c:436)
[   58.039810][  T434]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.039956][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.040074][  T434]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.040199][  T434]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.040347][  T434]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.040470][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.040591][  T434]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.048332][  T434] ------------[ cut here ]------------
| [   58.048463][  T434] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 2/434
| [   58.049137][  T434] Modules linked in: xfrm_user nf_tables
| [   58.049539][  T434] Tainted: [W]=WARN
[   58.049628][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.049822][  T434] Workqueue: events_unbound linkwatch_event
[   58.049975][  T434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.050127][  T434] 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
[   58.050559][  T434] RSP: 0018:ffa0000000e879e0 EFLAGS: 00010286
[   58.050756][  T434] RAX: 00000000ffffffa6 RBX: ff1100000bbea200 RCX: 1ff40000001d0f02
[   58.050932][  T434] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bbea2bc
[   58.051107][  T434] RBP: ff1100000fdac000 R08: 1fe220000177d459 R09: ff110000100f2ea8
[   58.051338][  T434] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   58.051514][  T434] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.051743][  T434] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   58.051949][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.052098][  T434] CR2: 00007f4cd72fcf98 CR3: 000000004994d005 CR4: 0000000000771ef0
[   58.052278][  T434] PKRU: 55555554
[   58.052368][  T434] Call Trace:
[   58.052456][  T434]  <TASK>
[   58.052520][  T434]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.052638][  T434]  ? notifier_call_chain (kernel/notifier.c:85)
[   58.052805][  T434]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.052896][  T434]  netif_state_change (net/core/dev.c:1605)
[   58.053016][  T434]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   58.053168][  T434]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   58.053290][  T434]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   58.053408][  T434]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.053532][  T434]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   58.053648][  T434]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   58.053813][  T434]  process_one_work (kernel/workqueue.c:3314)
[   58.053937][  T434]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.054054][  T434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.054183][  T434]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.054302][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.054418][  T434]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.054541][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.054706][  T434]  kthread (kernel/kthread.c:436)
[   58.054796][  T434]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.054942][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.055059][  T434]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.055181][  T434]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.055326][  T434]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.055443][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.055564][  T434]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.218081][ T1441] ------------[ cut here ]------------
| [   58.218245][ T1441] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1441
| [   58.218516][ T1441] Modules linked in: xfrm_user nf_tables
| [   58.218936][ T1441] Tainted: [W]=WARN
[   58.219040][ T1441] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.219213][ T1441] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.219392][ T1441] 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
[   58.219890][ T1441] RSP: 0018:ffa00000019b6e30 EFLAGS: 00010286
[   58.220060][ T1441] RAX: 00000000ffffffa6 RBX: ff110000120ee200 RCX: 1ff4000000336d8c
[   58.220266][ T1441] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000120ee2bc
[   58.220467][ T1441] RBP: ff1100000ebcc000 R08: 1fe220000241dc59 R09: ff1100000eb2d180
[   58.220677][ T1441] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   58.220882][ T1441] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fed2a80
[   58.221086][ T1441] FS:  00007f3a88627840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   58.221325][ T1441] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.221495][ T1441] CR2: 00000000004eb188 CR3: 00000000100e7005 CR4: 0000000000771ef0
[   58.221708][ T1441] PKRU: 55555554
[   58.221809][ T1441] Call Trace:
[   58.221910][ T1441]  <TASK>
[   58.221980][ T1441]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.222116][ T1441]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.222223][ T1441]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   58.222392][ T1441]  __dev_notify_flags (net/core/dev.c:9787)
[   58.222533][ T1441]  ? netif_change_name (net/core/dev.c:1495)
[   58.222674][ T1441]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.222809][ T1441]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.222943][ T1441]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.223079][ T1441]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   58.223221][ T1441]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.223357][ T1441]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   58.223494][ T1441]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   58.223632][ T1441]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   58.223774][ T1441]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   58.223910][ T1441]  veth_newlink (drivers/net/veth.c:1871)
[   58.224045][ T1441]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   58.224186][ T1441]  ? kasan_save_stack (mm/kasan/common.c:57)
[   58.224322][ T1441]  ? kasan_save_track (mm/kasan/common.c:78)
[   58.224455][ T1441]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   58.224610][ T1441]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   58.224753][ T1441]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   58.224889][ T1441]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   58.225024][ T1441]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   58.225159][ T1441]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   58.225301][ T1441]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   58.225437][ T1441]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   58.225575][ T1441]  ? __dev_get_by_name (net/core/dev.c:883)
[   58.225776][ T1441]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   58.225975][ T1441]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   58.226113][ T1441]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.226253][ T1441]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.226386][ T1441]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.226522][ T1441]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.226714][ T1441]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.226847][ T1441]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.226985][ T1441]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.227120][ T1441]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.227259][ T1441]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.227395][ T1441]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.227536][ T1441]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.227729][ T1441]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.227865][ T1441]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.228000][ T1441]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.228135][ T1441]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.228277][ T1441]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.228414][ T1441]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.228554][ T1441]  ? 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))
[   58.228747][ T1441]  ? 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))
[   58.228882][ T1441]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.229017][ T1441]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.229152][ T1441]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.229295][ T1441]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.229432][ T1441]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.229571][ T1441]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.229764][ T1441]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.229898][ T1441]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.230032][ T1441]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.230205][ T1441]  ? move_addr_to_kernel (net/socket.c:258)
[   58.230341][ T1441]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.230477][ T1441]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   58.230615][ T1441]  ___sys_sendmsg (net/socket.c:2752)
[   58.230807][ T1441]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   58.230942][ T1441]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.231082][ T1441]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   58.231225][ T1441]  ? 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))
[   58.231363][ T1441]  __sys_sendmsg (net/socket.c:2784)
[   58.231499][ T1441]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.231640][ T1441]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.231833][ T1441]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.231968][ T1441]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.232103][ T1441]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.232241][ T1441]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.232376][ T1441]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.232548][ T1441] RIP: 0033:0x7f3a8886108e
[   58.232751][ T1441] 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
[   58.233237][ T1441] RSP: 002b:00007ffed0600650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.233444][ T1441] RAX: ffffffffffffffda RBX: 00007ffed0600de8 RCX: 00007f3a8886108e
[   58.233649][ T1441] RDX: 0000000000000000 RSI: 00007ffed0600700 RDI: 0000000000000005
[   58.233913][ T1441] RBP: 00007ffed0600660 R08: 0000000000000000 R09: 0000000000000000
[   58.234113][ T1441] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d864
[   58.234319][ T1441] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed0600dc0
| [   58.248799][ T1441] ------------[ cut here ]------------
| [   58.248949][ T1441] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1441
| [   58.249222][ T1441] Modules linked in: xfrm_user nf_tables
| [   58.249631][ T1441] Tainted: [W]=WARN
[   58.249741][ T1441] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.249908][ T1441] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.250081][ T1441] 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
[   58.250564][ T1441] RSP: 0018:ffa00000019b71b0 EFLAGS: 00010286
[   58.250735][ T1441] RAX: 00000000ffffffa6 RBX: ff1100000f3b5c40 RCX: 1ff4000000336dfc
[   58.250934][ T1441] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f3b5cfc
[   58.251133][ T1441] RBP: ff11000009a5c000 R08: 1fe2200001e76ba1 R09: ff1100000eb2d180
[   58.251336][ T1441] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   58.251537][ T1441] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   58.251742][ T1441] FS:  00007f3a88627840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   58.251974][ T1441] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.252140][ T1441] CR2: 000055d3d5b6bd5c CR3: 00000000100e7001 CR4: 0000000000771ef0
[   58.252343][ T1441] PKRU: 55555554
[   58.252442][ T1441] Call Trace:
[   58.252545][ T1441]  <TASK>
[   58.252614][ T1441]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.252756][ T1441]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.252857][ T1441]  __dev_notify_flags (net/core/dev.c:9787)
[   58.252990][ T1441]  ? netif_change_name (net/core/dev.c:1495)
[   58.253123][ T1441]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   58.253262][ T1441]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   58.253397][ T1441]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   58.253535][ T1441]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   58.253750][ T1441]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   58.253883][ T1441]  ? __dev_get_by_name (net/core/dev.c:883)
[   58.254015][ T1441]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   58.254154][ T1441]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   58.254297][ T1441]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.254430][ T1441]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.254565][ T1441]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.254790][ T1441]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.255019][ T1441]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.255151][ T1441]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.255291][ T1441]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.255424][ T1441]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.255561][ T1441]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.255786][ T1441]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.255918][ T1441]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.256049][ T1441]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.256191][ T1441]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.256324][ T1441]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.256458][ T1441]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.256596][ T1441]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.256822][ T1441]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.256958][ T1441]  ? 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))
[   58.257090][ T1441]  ? 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))
[   58.257230][ T1441]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.257364][ T1441]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.257497][ T1441]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.257635][ T1441]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.257776][ T1441]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.257910][ T1441]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.258043][ T1441]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.258180][ T1441]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.258313][ T1441]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.258478][ T1441]  ? move_addr_to_kernel (net/socket.c:258)
[   58.258614][ T1441]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.258752][ T1441]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   58.258887][ T1441]  ___sys_sendmsg (net/socket.c:2752)
[   58.259019][ T1441]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   58.259152][ T1441]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.259294][ T1441]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   58.259431][ T1441]  ? 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))
[   58.259570][ T1441]  __sys_sendmsg (net/socket.c:2784)
[   58.259710][ T1441]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.259847][ T1441]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.259980][ T1441]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.260114][ T1441]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.260252][ T1441]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.260387][ T1441]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.260527][ T1441]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.260698][ T1441] RIP: 0033:0x7f3a8886108e
[   58.260837][ T1441] 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
[   58.261317][ T1441] RSP: 002b:00007ffed0600650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.261518][ T1441] RAX: ffffffffffffffda RBX: 00007ffed0600de8 RCX: 00007f3a8886108e
[   58.261721][ T1441] RDX: 0000000000000000 RSI: 00007ffed0600700 RDI: 0000000000000005
[   58.261918][ T1441] RBP: 00007ffed0600660 R08: 0000000000000000 R09: 0000000000000000
[   58.262116][ T1441] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d864
[   58.262318][ T1441] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed0600dc0
| [   58.375700][ T1445] ------------[ cut here ]------------
| [   58.375854][ T1445] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1445
| [   58.376113][ T1445] Modules linked in: xfrm_user nf_tables
| [   58.376516][ T1445] Tainted: [W]=WARN
[   58.376613][ T1445] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.376781][ T1445] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.376949][ T1445] 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
[   58.377417][ T1445] RSP: 0018:ffa0000001ee7020 EFLAGS: 00010286
[   58.377583][ T1445] RAX: 00000000ffffffa6 RBX: ff110000120ef1c0 RCX: 1ff40000003dcdca
[   58.377780][ T1445] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000120ef27c
[   58.377972][ T1445] RBP: ff11000009a5c000 R08: 1fe220000241de51 R09: ff1100000f255158
[   58.378163][ T1445] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   58.378361][ T1445] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   58.378561][ T1445] FS:  00007fda0dbb1840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   58.378791][ T1445] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.378954][ T1445] CR2: 00007fda0de811a0 CR3: 000000000a930005 CR4: 0000000000771ef0
[   58.379148][ T1445] PKRU: 55555554
[   58.379251][ T1445] Call Trace:
[   58.379348][ T1445]  <TASK>
[   58.379415][ T1445]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.379549][ T1445]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.379648][ T1445]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   58.379782][ T1445]  __dev_notify_flags (net/core/dev.c:9787)
[   58.379913][ T1445]  ? netif_change_name (net/core/dev.c:1495)
[   58.380042][ T1445]  ? __dev_change_flags (net/core/dev.c:9752)
[   58.380177][ T1445]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   58.380306][ T1445]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.380435][ T1445]  ? 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))
[   58.380570][ T1445]  netif_change_flags (net/core/dev.c:9820)
[   58.381327][ T1445]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   58.381459][ T1445]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   58.381595][ T1445]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.381800][ T1445]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.381962][ T1445]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.382091][ T1445]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.382223][ T1445]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.382353][ T1445]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.382483][ T1445]  ? __kernel_text_address (kernel/extable.c:79)
[   58.382617][ T1445]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.382819][ T1445]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.382949][ T1445]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.383079][ T1445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.383214][ T1445]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.383343][ T1445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.383472][ T1445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.383603][ T1445]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.383790][ T1445]  ? __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)
[   58.383920][ T1445]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.384049][ T1445]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.384184][ T1445]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.384316][ T1445]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.384449][ T1445]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.384582][ T1445]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.384767][ T1445]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.384898][ T1445]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.385027][ T1445]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.385155][ T1445]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.385292][ T1445]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.385420][ T1445]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.385554][ T1445]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.385704][ T1445]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.385836][ T1445]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.385965][ T1445]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.386094][ T1445]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.386227][ T1445]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.386355][ T1445]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.386486][ T1445]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.386618][ T1445]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.386753][ T1445]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.386883][ T1445]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.387013][ T1445]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.387145][ T1445]  ? 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))
[   58.387278][ T1445]  ? 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))
[   58.387408][ T1445]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.387542][ T1445]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.387675][ T1445]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.387807][ T1445]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.387939][ T1445]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.388070][ T1445]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.388207][ T1445]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.388336][ T1445]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.388464][ T1445]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.388627][ T1445]  ? move_addr_to_kernel (net/socket.c:258)
[   58.388762][ T1445]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.388891][ T1445]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.389022][ T1445]  ___sys_sendmsg (net/socket.c:2752)
[   58.389150][ T1445]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.389315][ T1445]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.389456][ T1445]  __sys_sendmsg (net/socket.c:2784)
[   58.389591][ T1445]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.389726][ T1445]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.389892][ T1445]  ? 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)
[   58.390022][ T1445]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.390154][ T1445]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.390287][ T1445]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.390417][ T1445]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.390549][ T1445]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.390718][ T1445] RIP: 0033:0x7fda0ddeb08e
[   58.390854][ T1445] 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
[   58.391319][ T1445] RSP: 002b:00007ffcd4b46630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.391516][ T1445] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fda0ddeb08e
[   58.391716][ T1445] RDX: 0000000000000000 RSI: 00007ffcd4b466e0 RDI: 0000000000000005
[   58.391909][ T1445] RBP: 00007ffcd4b46640 R08: 0000000000000000 R09: 0000000000000000
[   58.392102][ T1445] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d864
[   58.392300][ T1445] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcd4b46da0
| [   58.498608][ T1449] ------------[ cut here ]------------
| [   58.498765][ T1449] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1449
| [   58.499026][ T1449] Modules linked in: xfrm_user nf_tables
| [   58.499425][ T1449] Tainted: [W]=WARN
[   58.499529][ T1449] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.499697][ T1449] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.499866][ T1449] 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
[   58.500331][ T1449] RSP: 0018:ffa0000001f07020 EFLAGS: 00010286
[   58.500498][ T1449] RAX: 00000000ffffffa6 RBX: ff11000014d91c40 RCX: 1ff40000003e0dca
[   58.500698][ T1449] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d91cfc
[   58.500891][ T1449] RBP: ff1100000ebcc000 R08: 1fe22000029b23a1 R09: ff1100001298ae58
[   58.501086][ T1449] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   58.501289][ T1449] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   58.501484][ T1449] FS:  00007f2997dbd840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   58.501721][ T1449] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.501884][ T1449] CR2: 000000003ecf3988 CR3: 000000001301a006 CR4: 0000000000771ef0
[   58.502081][ T1449] PKRU: 55555554
[   58.502183][ T1449] Call Trace:
[   58.502281][ T1449]  <TASK>
[   58.502348][ T1449]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.502479][ T1449]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.502579][ T1449]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   58.502714][ T1449]  __dev_notify_flags (net/core/dev.c:9787)
[   58.502847][ T1449]  ? netif_change_name (net/core/dev.c:1495)
[   58.502977][ T1449]  ? __dev_change_flags (net/core/dev.c:9752)
[   58.503107][ T1449]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   58.503241][ T1449]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.503372][ T1449]  ? 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))
[   58.503508][ T1449]  netif_change_flags (net/core/dev.c:9820)
[   58.503638][ T1449]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   58.503829][ T1449]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   58.503962][ T1449]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   58.504091][ T1449]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   58.504258][ T1449]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   58.504386][ T1449]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.504516][ T1449]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   58.504645][ T1449]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.504834][ T1449]  ? __kernel_text_address (kernel/extable.c:79)
[   58.504965][ T1449]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.505099][ T1449]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.505233][ T1449]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.505362][ T1449]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.505492][ T1449]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   58.505625][ T1449]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.505809][ T1449]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.505939][ T1449]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   58.506072][ T1449]  ? __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)
[   58.506205][ T1449]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   58.506335][ T1449]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   58.506465][ T1449]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   58.506599][ T1449]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   58.506788][ T1449]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   58.506919][ T1449]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.507048][ T1449]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.507183][ T1449]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.507313][ T1449]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   58.507443][ T1449]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.507579][ T1449]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.507764][ T1449]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.507895][ T1449]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.508026][ T1449]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   58.508160][ T1449]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   58.508297][ T1449]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   58.508428][ T1449]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.508561][ T1449]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.508777][ T1449]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.508909][ T1449]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.509038][ T1449]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   58.509168][ T1449]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   58.509307][ T1449]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   58.509438][ T1449]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   58.509574][ T1449]  ? 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))
[   58.509788][ T1449]  ? 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))
[   58.509921][ T1449]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   58.510052][ T1449]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.510187][ T1449]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   58.510320][ T1449]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   58.510450][ T1449]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   58.510583][ T1449]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   58.510780][ T1449]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   58.510908][ T1449]  ? copy_msghdr_from_user (net/socket.c:2635)
[   58.511038][ T1449]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   58.511205][ T1449]  ? move_addr_to_kernel (net/socket.c:258)
[   58.511335][ T1449]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   58.511465][ T1449]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   58.511600][ T1449]  ___sys_sendmsg (net/socket.c:2752)
[   58.511824][ T1449]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   58.511987][ T1449]  ? copy_msghdr_from_user (net/socket.c:2603)
[   58.512129][ T1449]  __sys_sendmsg (net/socket.c:2784)
[   58.512265][ T1449]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   58.512395][ T1449]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   58.512565][ T1449]  ? 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)
[   58.512770][ T1449]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   58.512902][ T1449]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   58.513031][ T1449]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   58.513253][ T1449]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   58.513383][ T1449]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   58.513545][ T1449] RIP: 0033:0x7f2997ff708e
[   58.513749][ T1449] 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
[   58.514307][ T1449] RSP: 002b:00007fff8ec6f280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   58.514505][ T1449] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2997ff708e
[   58.514843][ T1449] RDX: 0000000000000000 RSI: 00007fff8ec6f330 RDI: 0000000000000005
[   58.515036][ T1449] RBP: 00007fff8ec6f290 R08: 0000000000000000 R09: 0000000000000000
[   58.515234][ T1449] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d864
[   58.515428][ T1449] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8ec6f9f0
| [   58.519105][   T64] ------------[ cut here ]------------
| [   58.519276][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/64
| [   58.519569][   T64] Modules linked in: xfrm_user nf_tables
| [   58.520082][   T64] Tainted: [W]=WARN
[   58.520222][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.520415][   T64] Workqueue: events_unbound linkwatch_event
[   58.520621][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.520843][   T64] 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
[   58.521311][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   58.521508][   T64] RAX: 00000000ffffffa6 RBX: ff1100000b72c740 RCX: 1ff400000008af02
[   58.521750][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72c7fc
[   58.521972][   T64] RBP: ff1100000ebcc000 R08: 1fe22000016e5901 R09: ff11000006100ba8
[   58.522199][   T64] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   58.522421][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.522668][   T64] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   58.522922][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.523116][   T64] CR2: 00007ffe3bb9dff8 CR3: 0000000010067003 CR4: 0000000000771ef0
[   58.523348][   T64] PKRU: 55555554
[   58.523483][   T64] Call Trace:
[   58.523622][   T64]  <TASK>
[   58.523742][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.523912][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   58.524079][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.524224][   T64]  netif_state_change (net/core/dev.c:1605)
[   58.524392][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   58.524595][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   58.524775][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   58.524942][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.525112][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   58.525288][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   58.525457][   T64]  process_one_work (kernel/workqueue.c:3314)
[   58.525637][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.525816][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.525987][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.526155][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.526331][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.526499][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.526686][   T64]  kthread (kernel/kthread.c:436)
[   58.526823][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.527017][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.527190][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.527359][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.527564][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.527746][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.527914][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   58.529986][   T64] ------------[ cut here ]------------
| [   58.530148][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/64
| [   58.530432][   T64] Modules linked in: xfrm_user nf_tables
| [   58.531038][   T64] Tainted: [W]=WARN
[   58.531181][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   58.531380][   T64] Workqueue: events_unbound linkwatch_event
[   58.531588][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   58.531818][   T64] 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
[   58.532298][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   58.532498][   T64] RAX: 00000000ffffffa6 RBX: ff1100000b72dc40 RCX: 1ff400000008af02
[   58.532743][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72dcfc
[   58.532971][   T64] RBP: ff11000009a5c000 R08: 1fe22000016e5ba1 R09: ff11000006100ba8
[   58.533201][   T64] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   58.533428][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   58.533677][   T64] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   58.533941][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   58.534138][   T64] CR2: 00007ffe3bb9dff8 CR3: 0000000010067003 CR4: 0000000000771ef0
[   58.534378][   T64] PKRU: 55555554
[   58.534516][   T64] Call Trace:
[   58.534670][   T64]  <TASK>
[   58.534780][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   58.534948][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   58.535116][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   58.535265][   T64]  netif_state_change (net/core/dev.c:1605)
[   58.535435][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   58.535644][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   58.535827][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   58.535995][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   58.536166][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   58.536343][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   58.536517][   T64]  process_one_work (kernel/workqueue.c:3314)
[   58.536707][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   58.536878][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   58.537051][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   58.537225][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.537424][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   58.537605][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   58.537789][   T64]  kthread (kernel/kthread.c:436)
[   58.537928][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   58.538128][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.538306][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   58.538476][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   58.538693][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   58.538863][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   58.539032][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   60.954637][   T12] ------------[ cut here ]------------
| [   60.954856][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   60.955143][   T12] Modules linked in: xfrm_user nf_tables
| [   60.955640][   T12] Tainted: [W]=WARN
[   60.955791][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.955983][   T12] Workqueue: netns cleanup_net
[   60.956156][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   60.956367][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   60.956855][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   60.957055][   T12] RAX: 00000000ffffffa6 RBX: ff1100001243f700 RCX: 1ff4000000018eed
[   60.957284][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243f7bc
[   60.957505][   T12] RBP: ff110000050f9000 R08: 1fe2200002487ef9 R09: ff11000001aed1d0
[   60.957743][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   60.957965][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   60.958194][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   60.958446][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.958649][   T12] CR2: 00007f4cd72fcf98 CR3: 000000000ebe4004 CR4: 0000000000771ef0
[   60.958887][   T12] PKRU: 55555554
[   60.959022][   T12] Call Trace:
[   60.959157][   T12]  <TASK>
[   60.959272][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   60.959475][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   60.959682][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   60.959863][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   60.960034][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   60.960206][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   60.960374][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   60.960549][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   60.960730][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   60.960892][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.961063][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   60.961236][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   60.961402][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   60.961578][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   60.961756][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.961929][   T12]  process_one_work (kernel/workqueue.c:3314)
[   60.962098][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   60.962276][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.962448][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   60.962626][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   60.962805][   T12]  kthread (kernel/kthread.c:436)
[   60.962942][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   60.963134][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   60.963309][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   60.963477][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   60.963688][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   60.963856][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   60.964022][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   60.966762][   T12] ------------[ cut here ]------------
| [   60.966927][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   60.967214][   T12] Modules linked in: xfrm_user nf_tables
| [   60.967718][   T12] Tainted: [W]=WARN
[   60.967852][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.968044][   T12] Workqueue: netns cleanup_net
[   60.968221][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   60.968419][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   60.968975][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   60.969171][   T12] RAX: 00000000ffffffa6 RBX: ff110000124f4200 RCX: 1ff4000000018eed
[   60.969406][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000124f42bc
[   60.969634][   T12] RBP: ff1100000a331000 R08: 1fe220000249e859 R09: ff11000001aed1d0
[   60.969868][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   60.970088][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   60.970316][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   60.970733][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.971000][   T12] CR2: 00007f4cd72fcf98 CR3: 000000000ebe4004 CR4: 0000000000771ef0
[   60.971230][   T12] PKRU: 55555554
[   60.971364][   T12] Call Trace:
[   60.971498][   T12]  <TASK>
[   60.971615][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   60.971895][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   60.972087][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   60.972259][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   60.972425][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   60.972681][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   60.972847][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   60.973014][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   60.973189][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   60.973424][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.973601][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   60.973783][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   60.973948][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   60.974195][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   60.974363][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.974536][   T12]  process_one_work (kernel/workqueue.c:3314)
[   60.974720][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   60.974887][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.975056][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   60.975234][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   60.975400][   T12]  kthread (kernel/kthread.c:436)
[   60.975543][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   60.975750][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   60.975917][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   60.976153][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   60.976353][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   60.976524][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   60.976703][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   60.979700][   T12] ------------[ cut here ]------------
| [   60.979931][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   60.980278][   T12] Modules linked in: xfrm_user nf_tables
| [   60.980959][   T12] Tainted: [W]=WARN
[   60.981092][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.981296][   T12] Workqueue: netns cleanup_net
[   60.981465][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   60.981686][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   60.982139][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   60.982341][   T12] RAX: 00000000ffffffa6 RBX: ff110000124f4c80 RCX: 1ff4000000018eed
[   60.982572][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000124f4d3c
[   60.982803][   T12] RBP: ff1100000e944000 R08: 1fe220000249e9a9 R09: ff11000001aed1d0
[   60.983106][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   60.983335][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   60.983565][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   60.983903][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.984095][   T12] CR2: 00007f4cd72fcf98 CR3: 000000000ebe4004 CR4: 0000000000771ef0
[   60.984326][   T12] PKRU: 55555554
[   60.984460][   T12] Call Trace:
[   60.984602][   T12]  <TASK>
[   60.984724][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   60.984921][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   60.985112][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   60.985285][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   60.985451][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   60.985664][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   60.985902][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   60.986069][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   60.986315][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   60.986482][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   60.986736][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   60.986901][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   60.987064][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   60.987239][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   60.987408][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   60.987596][   T12]  process_one_work (kernel/workqueue.c:3314)
[   60.987789][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   60.987954][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   60.988124][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   60.988304][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   60.988469][   T12]  kthread (kernel/kthread.c:436)
[   60.988612][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   60.988818][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   60.989053][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   60.989225][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   60.989418][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   60.989589][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   60.989766][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   60.992854][   T12] ------------[ cut here ]------------
| [   60.993018][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   60.993308][   T12] Modules linked in: xfrm_user nf_tables
| [   60.993946][   T12] Tainted: [W]=WARN
[   60.994126][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   60.994375][   T12] Workqueue: netns cleanup_net
[   60.994597][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   60.994860][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   60.995377][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   60.995625][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b72d540 RCX: 1ff4000000018eed
[   60.995908][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72d5fc
[   60.996174][   T12] RBP: ff11000008479000 R08: 1fe22000016e5ac1 R09: ff11000001aed1d0
[   60.996447][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   60.996731][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   60.997002][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   60.997303][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   60.997549][   T12] CR2: 00007f4cd72fcf98 CR3: 000000000ebe4004 CR4: 0000000000771ef0
[   60.997833][   T12] PKRU: 55555554
[   60.998015][   T12] Call Trace:
[   60.998202][   T12]  <TASK>
[   60.998353][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   60.998607][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   60.998857][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   60.999068][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   60.999362][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   60.999575][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   60.999873][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.000084][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.000304][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.000597][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.000879][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.001141][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.001406][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.001690][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.001945][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.002211][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.002571][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.002837][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.003061][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.003318][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.003535][   T12]  kthread (kernel/kthread.c:436)
[   61.003728][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.003973][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.004193][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.004404][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.004694][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.004905][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.005113][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.016486][   T12] ------------[ cut here ]------------
| [   61.016626][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.016864][   T12] Modules linked in: xfrm_user nf_tables
| [   61.017256][   T12] Tainted: [W]=WARN
[   61.017345][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.017499][   T12] Workqueue: netns cleanup_net
[   61.017626][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.017790][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.018215][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.018368][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b72d8c0 RCX: 1ff4000000018eed
[   61.018547][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72d97c
[   61.018732][   T12] RBP: ff11000014c1c000 R08: 1fe22000016e5b31 R09: ff11000001aed1d0
[   61.018907][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.019082][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.019264][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   61.019474][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.019633][   T12] CR2: 000055d401a09088 CR3: 000000004994d003 CR4: 0000000000771ef0
[   61.019861][   T12] PKRU: 55555554
[   61.019948][   T12] Call Trace:
[   61.020035][   T12]  <TASK>
[   61.020097][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.020254][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.020400][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.020523][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.020647][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.020818][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.020941][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.021061][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.021186][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.021305][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.021426][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.021547][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.021681][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.021802][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.021923][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.022042][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.022165][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.022294][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.022417][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.022544][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.022665][   T12]  kthread (kernel/kthread.c:436)
[   61.022754][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.022902][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.023021][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.023145][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.023301][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.023420][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.023543][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.034519][   T12] ------------[ cut here ]------------
| [   61.034667][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.034916][   T12] Modules linked in: xfrm_user nf_tables
| [   61.035331][   T12] Tainted: [W]=WARN
[   61.035425][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.035586][   T12] Workqueue: netns cleanup_net
[   61.035722][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.035886][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.036340][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.036498][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b72c900 RCX: 1ff4000000018eaf
[   61.036693][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72c9bc
[   61.036891][   T12] RBP: ff11000014db9000 R08: 1fe22000016e5939 R09: ff11000001aed1d0
[   61.037085][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   61.037276][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012bbc000
[   61.037463][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   61.037690][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.037846][   T12] CR2: 000055d401a09088 CR3: 000000004994d003 CR4: 0000000000771ef0
[   61.038035][   T12] PKRU: 55555554
[   61.038128][   T12] Call Trace:
[   61.038224][   T12]  <TASK>
[   61.038289][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.038461][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.038582][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.038720][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.038844][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.038968][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.039094][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.039227][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.039380][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.039539][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.039701][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.039854][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.039977][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.040100][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.040262][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.040388][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.040514][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.040638][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.040768][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.040893][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.041018][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.041143][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.041274][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.041397][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.041523][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.041648][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.041778][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.041903][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.042032][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.042155][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.042289][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.042416][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.042543][   T12]  kthread (kernel/kthread.c:436)
[   61.042635][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.042796][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.042921][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.043044][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.043202][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.043326][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.043449][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.046292][   T12] ------------[ cut here ]------------
| [   61.046432][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.047057][   T12] Modules linked in: xfrm_user nf_tables
| [   61.047479][   T12] Tainted: [W]=WARN
[   61.047574][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.047735][   T12] Workqueue: netns cleanup_net
[   61.047868][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.048030][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.048475][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.048632][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b884580 RCX: 1ff4000000018eaf
[   61.048818][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b88463c
[   61.049003][   T12] RBP: ff11000012bbc000 R08: 1fe22000017108c9 R09: ff11000001aed1d0
[   61.049194][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   61.049377][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eb99000
[   61.049564][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   61.049785][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.049941][   T12] CR2: 000055d401a09088 CR3: 000000004994d003 CR4: 0000000000771ef0
[   61.050126][   T12] PKRU: 55555554
[   61.050223][   T12] Call Trace:
[   61.050316][   T12]  <TASK>
[   61.050381][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.050510][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.050634][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.050735][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.050858][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.050980][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.051102][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.051228][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.051352][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.051510][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.051667][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.051792][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.051945][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.052066][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.052195][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.052350][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.052474][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.052602][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.052734][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.052856][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.052980][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.053105][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.053232][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.053357][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.053481][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.053608][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.053737][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.053861][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.053986][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.054113][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.054242][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.054371][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.054499][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.054625][   T12]  kthread (kernel/kthread.c:436)
[   61.054723][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.054875][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.055002][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.055125][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.055282][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.055404][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.055533][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.057776][   T12] ------------[ cut here ]------------
| [   61.057899][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.058137][   T12] Modules linked in: xfrm_user nf_tables
| [   61.058545][   T12] Tainted: [W]=WARN
[   61.058637][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.059313][   T12] Workqueue: netns cleanup_net
[   61.059443][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.059605][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.060100][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.060258][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ab7e200 RCX: 1ff4000000018eaf
[   61.060441][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab7e2bc
[   61.060628][   T12] RBP: ff1100000eb99000 R08: 1fe220000156fc59 R09: ff11000001aed1d0
[   61.060868][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   61.061050][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   61.061242][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   61.061504][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.061711][   T12] CR2: 000055d401a09088 CR3: 000000004994d003 CR4: 0000000000771ef0
[   61.061895][   T12] PKRU: 55555554
[   61.061985][   T12] Call Trace:
[   61.062076][   T12]  <TASK>
[   61.062140][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.062268][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.062392][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.062489][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.062615][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.062785][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.062907][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.063029][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.063161][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.063320][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.063474][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.063602][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.063802][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.063924][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.064045][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.064215][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.064342][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.064466][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.064595][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.064768][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.064891][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.065015][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.065137][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.065267][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.065390][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.065514][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.065639][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.065811][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.065936][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.066063][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.066190][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.066322][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.066448][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.066573][   T12]  kthread (kernel/kthread.c:436)
[   61.066717][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.066870][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.066993][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.067130][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.067283][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.067405][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.067531][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.069873][   T12] ------------[ cut here ]------------
| [   61.070005][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   61.070245][   T12] Modules linked in: xfrm_user nf_tables
| [   61.070658][   T12] Tainted: [W]=WARN
[   61.070748][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.070898][   T12] Workqueue: netns cleanup_net
[   61.071023][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.071178][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.071618][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.071776][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ab7f380 RCX: 1ff4000000018ed5
[   61.071955][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab7f43c
[   61.072134][   T12] RBP: ff11000014db9000 R08: 1fe220000156fe89 R09: ff11000001aed1d0
[   61.072315][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   61.072493][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.072686][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   61.072915][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.073065][   T12] CR2: 00007f9d395467a0 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.073247][   T12] PKRU: 55555554
[   61.073337][   T12] Call Trace:
[   61.073426][   T12]  <TASK>
[   61.073488][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.073649][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.073809][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.073927][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.074046][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.074202][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.074323][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.074443][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.074565][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.074696][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.074816][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.074933][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.075055][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.075174][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.075297][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.075416][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.075546][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.075670][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.075792][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.075910][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.076034][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.076157][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.076280][   T12]  kthread (kernel/kthread.c:436)
[   61.076369][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.076521][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.076639][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.076765][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.076913][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.077034][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.077153][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.079681][   T12] ------------[ cut here ]------------
| [   61.079802][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   61.080036][   T12] Modules linked in: xfrm_user nf_tables
| [   61.080431][   T12] Tainted: [W]=WARN
[   61.080526][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.080688][   T12] Workqueue: netns cleanup_net
[   61.080812][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.080967][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.081394][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.081544][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda8900 RCX: 1ff4000000018ed5
[   61.081730][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda89bc
[   61.081912][   T12] RBP: ff11000012bbc000 R08: 1fe2200001bb5139 R09: ff11000001aed1d0
[   61.082093][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   61.082275][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.082453][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   61.082665][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.082814][   T12] CR2: 00007f9d395467a0 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.082992][   T12] PKRU: 55555554
[   61.083081][   T12] Call Trace:
[   61.083170][   T12]  <TASK>
[   61.083236][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.083387][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.083538][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.083665][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.083784][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.083936][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.084057][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.084178][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.084303][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.084427][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.084554][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.084678][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.084801][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.084921][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.085039][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.085159][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.085280][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.085402][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.085530][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.085650][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.085780][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.085902][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.086021][   T12]  kthread (kernel/kthread.c:436)
[   61.086111][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.086264][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.086384][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.086508][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.086662][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.086780][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.086900][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.089580][   T12] ------------[ cut here ]------------
| [   61.090267][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   61.090509][   T12] Modules linked in: xfrm_user nf_tables
| [   61.090947][   T12] Tainted: [W]=WARN
[   61.091036][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.091189][   T12] Workqueue: netns cleanup_net
[   61.091312][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.091465][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.091941][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.092093][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be9ec80 RCX: 1ff4000000018ed5
[   61.092273][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be9ed3c
[   61.092497][   T12] RBP: ff1100000eb99000 R08: 1fe22000017d3da9 R09: ff11000001aed1d0
[   61.092725][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   61.092902][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.093079][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   61.093292][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.093441][   T12] CR2: 00007f9d395467a0 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.093624][   T12] PKRU: 55555554
[   61.093761][   T12] Call Trace:
[   61.093849][   T12]  <TASK>
[   61.093911][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.094062][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.094214][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.094334][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.094454][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.094608][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.094776][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.094895][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.095013][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.095133][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.095261][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.095379][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.095501][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.095622][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.095786][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.095904][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.096022][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.096141][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.096275][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.096393][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.096518][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.096642][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.096808][   T12]  kthread (kernel/kthread.c:436)
[   61.096898][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.097044][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.097164][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.097289][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.097435][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.097556][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.097722][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.133711][   T12] ------------[ cut here ]------------
| [   61.133844][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   61.134076][   T12] Modules linked in: xfrm_user nf_tables
| [   61.134471][   T12] Tainted: [W]=WARN
[   61.134564][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.134722][   T12] Workqueue: netns cleanup_net
[   61.134846][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.134999][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.135423][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.135580][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be9fa80 RCX: 1ff4000000018eed
[   61.135760][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be9fb3c
[   61.135942][   T12] RBP: ff1100000eb9c000 R08: 1fe22000017d3f69 R09: ff11000001aed1d0
[   61.136125][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   61.136305][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.136481][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   61.136694][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.136843][   T12] CR2: 000055d3d5b6bd5c CR3: 0000000010067006 CR4: 0000000000771ef0
[   61.137019][   T12] PKRU: 55555554
[   61.137106][   T12] Call Trace:
[   61.137196][   T12]  <TASK>
[   61.137258][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.137407][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.137555][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.137679][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.137798][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.137914][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.138032][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.138151][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.138274][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.138389][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.138512][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.138631][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.138750][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.138869][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.138988][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.139107][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.139234][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.139351][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.139472][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.139597][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.139719][   T12]  kthread (kernel/kthread.c:436)
[   61.139806][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.139955][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.140071][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.140196][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.140346][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.140464][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.140584][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.144007][   T12] ------------[ cut here ]------------
| [   61.144143][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.144384][   T12] Modules linked in: xfrm_user nf_tables
| [   61.144782][   T12] Tainted: [W]=WARN
[   61.144923][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.145087][   T12] Workqueue: netns cleanup_net
[   61.145218][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.145370][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.145809][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.145962][   T12] RAX: 00000000ffffffa6 RBX: ff11000010b84900 RCX: 1ff4000000018eed
[   61.146135][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010b849bc
[   61.146310][   T12] RBP: ff1100000febc000 R08: 1fe2200002170939 R09: ff11000001aed1d0
[   61.146481][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.146670][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.146845][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   61.147059][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.147212][   T12] CR2: 000055d401a09088 CR3: 000000004994d003 CR4: 0000000000771ef0
[   61.147387][   T12] PKRU: 55555554
[   61.147473][   T12] Call Trace:
[   61.147562][   T12]  <TASK>
[   61.147623][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.147778][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.147920][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.148037][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.148154][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.148277][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.148395][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.148515][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.148632][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.148752][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.148871][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.148986][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.149100][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.149223][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.149338][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.149454][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.149576][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.149694][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.149815][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.149934][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.150048][   T12]  kthread (kernel/kthread.c:436)
[   61.150137][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.150286][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.150408][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.150529][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.150681][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.150798][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.150913][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.153449][   T12] ------------[ cut here ]------------
| [   61.153587][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.153854][   T12] Modules linked in: xfrm_user nf_tables
| [   61.154250][   T12] Tainted: [W]=WARN
[   61.154338][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.154488][   T12] Workqueue: netns cleanup_net
[   61.154612][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.154774][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.155198][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.155345][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a118040 RCX: 1ff4000000018eed
[   61.155524][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1180fc
[   61.155702][   T12] RBP: ff110000058d4000 R08: 1fe2200001423021 R09: ff11000001aed1d0
[   61.155878][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.156051][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.156237][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   61.156444][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.156594][   T12] CR2: 000055d401a09088 CR3: 000000004994d003 CR4: 0000000000771ef0
[   61.156773][   T12] PKRU: 55555554
[   61.156859][   T12] Call Trace:
[   61.156945][   T12]  <TASK>
[   61.157006][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.157155][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.157306][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.157422][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.157541][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.157661][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.157779][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.157896][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.158016][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.158132][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.158253][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.158372][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.158488][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.158609][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.158733][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.158851][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.158979][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.159096][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.159222][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.159342][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.159457][   T12]  kthread (kernel/kthread.c:436)
[   61.159549][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.159699][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.159817][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.159934][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.160080][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.160200][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.160318][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.162625][   T12] ------------[ cut here ]------------
| [   61.162769][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.162996][   T12] Modules linked in: xfrm_user nf_tables
| [   61.163388][   T12] Tainted: [W]=WARN
[   61.163476][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.163635][   T12] Workqueue: netns cleanup_net
[   61.163762][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.163914][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.164334][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.164479][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a1183c0 RCX: 1ff4000000018eed
[   61.164664][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a11847c
[   61.164837][   T12] RBP: ff11000009a59000 R08: 1fe2200001423091 R09: ff11000001aed1d0
[   61.165009][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.165184][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.165359][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   61.165564][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.165714][   T12] CR2: 000055d401a09088 CR3: 000000004994d003 CR4: 0000000000771ef0
[   61.165887][   T12] PKRU: 55555554
[   61.165973][   T12] Call Trace:
[   61.166060][   T12]  <TASK>
[   61.166121][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.166275][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.166423][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.166541][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.166666][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.166782][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.166899][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.167017][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.167137][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.167258][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.167378][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.167495][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.167612][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.167735][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.167849][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.167966][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.168085][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.168208][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.168328][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.168448][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.168570][   T12]  kthread (kernel/kthread.c:436)
[   61.168662][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.168807][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.168923][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.169041][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.169265][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.169398][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.169521][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.171964][   T12] ------------[ cut here ]------------
| [   61.172141][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.172378][   T12] Modules linked in: xfrm_user nf_tables
| [   61.172871][   T12] Tainted: [W]=WARN
[   61.172959][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.173104][   T12] Workqueue: netns cleanup_net
[   61.173227][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.173376][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.173845][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.174039][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a118740 RCX: 1ff4000000018eed
[   61.174214][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1187fc
[   61.174386][   T12] RBP: ff1100000d124000 R08: 1fe2200001423101 R09: ff11000001aed1d0
[   61.174562][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.174780][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.174952][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   61.175151][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.175308][   T12] CR2: 000055d401a09088 CR3: 000000004994d003 CR4: 0000000000771ef0
[   61.175481][   T12] PKRU: 55555554
[   61.175571][   T12] Call Trace:
[   61.175704][   T12]  <TASK>
[   61.175765][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.175912][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.176055][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.176176][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.176299][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.176413][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.176533][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.176693][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.176810][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.176925][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.177042][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.177159][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.177277][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.177392][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.177509][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.177626][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.177791][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.177906][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.178025][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.178150][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.178276][   T12]  kthread (kernel/kthread.c:436)
[   61.178362][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.178512][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.178628][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.178789][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.178932][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.179049][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.179168][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.192675][   T12] ------------[ cut here ]------------
| [   61.192814][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   61.193058][   T12] Modules linked in: xfrm_user nf_tables
| [   61.193480][   T12] Tainted: [W]=WARN
[   61.193576][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.193740][   T12] Workqueue: netns cleanup_net
[   61.193870][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.194030][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.194475][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.194642][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a118900 RCX: 1ff4000000018eaf
[   61.194832][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1189bc
[   61.195015][   T12] RBP: ff11000014c29000 R08: 1fe2200001423139 R09: ff11000001aed1d0
[   61.195204][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   61.195386][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e769000
[   61.195573][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   61.195793][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.195946][   T12] CR2: 00007f86bcceb000 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.196130][   T12] PKRU: 55555554
[   61.196225][   T12] Call Trace:
[   61.196317][   T12]  <TASK>
[   61.196381][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.196508][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.196604][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.196732][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.196854][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.196976][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.197099][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.197225][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.197378][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.197535][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.197663][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.197814][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.197937][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.198059][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.198216][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.198343][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.198467][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.198593][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.198721][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.198846][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.198971][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.199092][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.199223][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.199347][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.199471][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.199599][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.199727][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.199851][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.199978][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.200103][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.200234][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.200362][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.200494][   T12]  kthread (kernel/kthread.c:436)
[   61.200592][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.200751][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.200873][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.200996][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.201148][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.201278][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.201401][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.203772][   T12] ------------[ cut here ]------------
| [   61.203902][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   61.204143][   T12] Modules linked in: xfrm_user nf_tables
| [   61.204560][   T12] Tainted: [W]=WARN
[   61.204900][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.205053][   T12] Workqueue: netns cleanup_net
[   61.205180][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.205342][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.205839][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.206001][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a119e00 RCX: 1ff4000000018eaf
[   61.206188][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a119ebc
[   61.206372][   T12] RBP: ff1100000e769000 R08: 1fe22000014233d9 R09: ff11000001aed1d0
[   61.206557][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   61.206800][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014cf4000
[   61.206984][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   61.207203][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.207357][   T12] CR2: 00007f86bcceb000 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.207546][   T12] PKRU: 55555554
[   61.207636][   T12] Call Trace:
[   61.207778][   T12]  <TASK>
[   61.207843][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.207969][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.208093][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.208191][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.208315][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.208437][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.208564][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.208749][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.208873][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.209034][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.209194][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.209317][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.209469][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.209595][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.209768][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.209920][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.210045][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.210175][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.210305][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.210429][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.210559][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.210735][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.210857][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.210983][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.211107][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.211235][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.211362][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.211484][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.211612][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.211788][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.211910][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.212037][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.212163][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.212296][   T12]  kthread (kernel/kthread.c:436)
[   61.212389][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.212546][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.212718][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.212842][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.212997][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.213119][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.213249][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.215668][   T12] ------------[ cut here ]------------
| [   61.215803][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.216047][   T12] Modules linked in: xfrm_user nf_tables
| [   61.216457][   T12] Tainted: [W]=WARN
[   61.216554][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.216715][   T12] Workqueue: netns cleanup_net
[   61.216847][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.217056][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.217520][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.217697][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ce10c80 RCX: 1ff4000000018eaf
[   61.217890][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce10d3c
[   61.218071][   T12] RBP: ff11000014cf4000 R08: 1fe22000019c21a9 R09: ff11000001aed1d0
[   61.218257][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   61.218437][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   61.218626][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   61.218903][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.219056][   T12] CR2: 000055d401a20018 CR3: 0000000010067005 CR4: 0000000000771ef0
[   61.219247][   T12] PKRU: 55555554
[   61.219339][   T12] Call Trace:
[   61.219432][   T12]  <TASK>
[   61.219497][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.219624][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.219799][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.219893][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.220065][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.220192][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.220318][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.220441][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.220568][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.220773][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.220927][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.221051][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.221209][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.221332][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.221455][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.221613][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.221789][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.221913][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.222036][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.222159][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.222288][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.222412][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.222538][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.222677][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.222801][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.222921][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.223044][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.223165][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.223292][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.223420][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.223543][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.223676][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.223802][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.223923][   T12]  kthread (kernel/kthread.c:436)
[   61.224015][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.224167][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.224297][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.224420][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.224574][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.224703][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.224826][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.232697][   T12] ------------[ cut here ]------------
| [   61.232822][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.233054][   T12] Modules linked in: xfrm_user nf_tables
| [   61.233448][   T12] Tainted: [W]=WARN
[   61.233541][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.233693][   T12] Workqueue: netns cleanup_net
[   61.233818][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.233970][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.234398][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.234551][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ce11e00 RCX: 1ff4000000018ed5
[   61.234731][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce11ebc
[   61.234908][   T12] RBP: ff11000014c29000 R08: 1fe22000019c23d9 R09: ff11000001aed1d0
[   61.235081][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.235265][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.235441][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   61.235656][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.235803][   T12] CR2: 000055d401a20018 CR3: 0000000010067005 CR4: 0000000000771ef0
[   61.235980][   T12] PKRU: 55555554
[   61.236067][   T12] Call Trace:
[   61.236156][   T12]  <TASK>
[   61.236224][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.236374][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.236528][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.236645][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.236767][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.236919][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.237037][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.237155][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.237280][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.237400][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.237525][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.237641][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.237769][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.237888][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.238010][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.238129][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.238252][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.238371][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.238493][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.238613][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.239358][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.239484][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.239603][   T12]  kthread (kernel/kthread.c:436)
[   61.239737][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.239930][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.240048][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.240165][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.240317][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.240434][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.240555][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.243648][   T12] ------------[ cut here ]------------
| [   61.243778][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.244012][   T12] Modules linked in: xfrm_user nf_tables
| [   61.244413][   T12] Tainted: [W]=WARN
[   61.244503][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.244658][   T12] Workqueue: netns cleanup_net
[   61.244781][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.244935][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.245360][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.245511][   T12] RAX: 00000000ffffffa6 RBX: ff1100000badc3c0 RCX: 1ff4000000018ed5
[   61.245782][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000badc47c
[   61.245959][   T12] RBP: ff1100000e769000 R08: 1fe220000175b891 R09: ff11000001aed1d0
[   61.246133][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.246436][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.246634][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   61.246937][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.247085][   T12] CR2: 000055d401a20018 CR3: 000000004994d003 CR4: 0000000000771ef0
[   61.247268][   T12] PKRU: 55555554
[   61.247357][   T12] Call Trace:
[   61.247443][   T12]  <TASK>
[   61.247508][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.247745][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.247936][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.248055][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.248172][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.248328][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.248447][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.248569][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.248733][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.248851][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.248973][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.249090][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.249215][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.249334][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.249450][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.249571][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.249736][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.249854][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.249975][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.250092][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.250219][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.250341][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.250457][   T12]  kthread (kernel/kthread.c:436)
[   61.250551][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.250757][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.250875][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.250997][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.251141][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.251265][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.251381][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.255626][   T12] ------------[ cut here ]------------
| [   61.255769][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.256007][   T12] Modules linked in: xfrm_user nf_tables
| [   61.256473][   T12] Tainted: [W]=WARN
[   61.256571][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.256737][   T12] Workqueue: netns cleanup_net
[   61.256864][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.257017][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.257442][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.257601][   T12] RAX: 00000000ffffffa6 RBX: ff1100000badd540 RCX: 1ff4000000018ed5
[   61.257781][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000badd5fc
[   61.257957][   T12] RBP: ff11000014cf4000 R08: 1fe220000175bac1 R09: ff11000001aed1d0
[   61.258131][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.258308][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.258485][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   61.258697][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.258844][   T12] CR2: 000055d401a20018 CR3: 000000004994d003 CR4: 0000000000771ef0
[   61.259020][   T12] PKRU: 55555554
[   61.259108][   T12] Call Trace:
[   61.259199][   T12]  <TASK>
[   61.259263][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.259418][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.259570][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.259693][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.259811][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.259966][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.260084][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.260210][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.260328][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.260448][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.260571][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.260789][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.261004][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.261123][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.261246][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.261366][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.261483][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.261603][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.261827][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.261945][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.262074][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.262201][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.262322][   T12]  kthread (kernel/kthread.c:436)
[   61.262411][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.262561][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.262772][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.262890][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.263042][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.263160][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.263293][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.320001][   T12] ------------[ cut here ]------------
| [   61.320135][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   61.320377][   T12] Modules linked in: xfrm_user nf_tables
| [   61.320784][   T12] Tainted: [W]=WARN
[   61.320873][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.321020][   T12] Workqueue: netns cleanup_net
[   61.321142][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.321302][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.321747][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.321897][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b7000 RCX: 1ff4000000018eed
[   61.322073][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b70bc
[   61.322254][   T12] RBP: ff1100000e4d1000 R08: 1fe2200002036e19 R09: ff11000001aed1d0
[   61.322429][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   61.322609][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.322792][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   61.322999][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.323150][   T12] CR2: 00007fd4fe2ed000 CR3: 000000004994d001 CR4: 0000000000771ef0
[   61.323333][   T12] PKRU: 55555554
[   61.323421][   T12] Call Trace:
[   61.323513][   T12]  <TASK>
[   61.323574][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.323733][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.323882][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.324000][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.324119][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.324240][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.324358][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.324481][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.324604][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.324725][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.324846][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.324968][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.325083][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.325206][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.325324][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.325443][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.325567][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.325692][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.325816][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.325937][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.326054][   T12]  kthread (kernel/kthread.c:436)
[   61.326141][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.326294][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.326412][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.326534][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.326687][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.326804][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.326922][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.329110][   T12] ------------[ cut here ]------------
| [   61.329233][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   61.329461][   T12] Modules linked in: xfrm_user nf_tables
| [   61.329856][   T12] Tainted: [W]=WARN
[   61.329944][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.330091][   T12] Workqueue: netns cleanup_net
[   61.330220][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.330373][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.330804][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.330951][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b7540 RCX: 1ff4000000018eed
[   61.331124][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b75fc
[   61.331304][   T12] RBP: ff1100000ea69000 R08: 1fe2200002036ec1 R09: ff11000001aed1d0
[   61.331479][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   61.331664][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.331839][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   61.332045][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.332197][   T12] CR2: 00007fd4fe2ed000 CR3: 000000004994d001 CR4: 0000000000771ef0
[   61.332374][   T12] PKRU: 55555554
[   61.332462][   T12] Call Trace:
[   61.332553][   T12]  <TASK>
[   61.332614][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.332771][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.332916][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.333034][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.333153][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.333274][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.333391][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.333512][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.333629][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.333750][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.333870][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.333991][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.334107][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.334235][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.334356][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.334474][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.334599][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.334722][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.334844][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.334969][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.335085][   T12]  kthread (kernel/kthread.c:436)
[   61.335173][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.335325][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.335441][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.335561][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.335712][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.335830][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.335947][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.338113][   T12] ------------[ cut here ]------------
| [   61.338238][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   61.338467][   T12] Modules linked in: xfrm_user nf_tables
| [   61.338927][   T12] Tainted: [W]=WARN
[   61.339016][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.339160][   T12] Workqueue: netns cleanup_net
[   61.339286][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.339438][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.339861][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.340008][   T12] RAX: 00000000ffffffa6 RBX: ff1100000532a580 RCX: 1ff4000000018eed
[   61.340187][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000532a63c
[   61.340365][   T12] RBP: ff1100000fc3c000 R08: 1fe2200000a654c9 R09: ff11000001aed1d0
[   61.340541][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   61.340720][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.340896][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   61.341103][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.341252][   T12] CR2: 00007fd4fe2ed000 CR3: 000000004994d001 CR4: 0000000000771ef0
[   61.341428][   T12] PKRU: 55555554
[   61.341517][   T12] Call Trace:
[   61.341613][   T12]  <TASK>
[   61.341680][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.341827][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.341971][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.342088][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.342212][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.342327][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.342444][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.342568][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.342698][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.342815][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.342936][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.343053][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.343168][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.343292][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.343409][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.343532][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.343662][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.343777][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.343898][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.344019][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.344140][   T12]  kthread (kernel/kthread.c:436)
[   61.344233][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.344379][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.344496][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.344616][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.344768][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.344886][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.345003][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.347012][   T12] ------------[ cut here ]------------
| [   61.347131][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   61.347359][   T12] Modules linked in: xfrm_user nf_tables
| [   61.348219][   T12] Tainted: [W]=WARN
[   61.348308][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.348498][   T12] Workqueue: netns cleanup_net
[   61.348622][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.348821][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.349246][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.349393][   T12] RAX: 00000000ffffffa6 RBX: ff1100000532a040 RCX: 1ff4000000018eed
[   61.349569][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000532a0fc
[   61.349790][   T12] RBP: ff11000008d4c000 R08: 1fe2200000a65421 R09: ff11000001aed1d0
[   61.349975][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   61.350150][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.350331][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   61.350541][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.350734][   T12] CR2: 00007fd4fe2ed000 CR3: 000000004994d001 CR4: 0000000000771ef0
[   61.350909][   T12] PKRU: 55555554
[   61.350996][   T12] Call Trace:
[   61.351082][   T12]  <TASK>
[   61.351143][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.351299][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.351447][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.351569][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.351734][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.351850][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.351967][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.352087][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.352212][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.352329][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.352449][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.352569][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.352736][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.352854][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.352975][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.353093][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.353220][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.353338][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.353459][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.353584][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.353749][   T12]  kthread (kernel/kthread.c:436)
[   61.353837][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.353980][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.354095][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.354223][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.354373][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.354489][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.354608][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.358137][   T12] ------------[ cut here ]------------
| [   61.358263][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   61.358494][   T12] Modules linked in: xfrm_user nf_tables
| [   61.358898][   T12] Tainted: [W]=WARN
[   61.358986][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.359131][   T12] Workqueue: netns cleanup_net
[   61.359257][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.359409][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.360432][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.360584][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c540200 RCX: 1ff4000000018eed
[   61.360802][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5402bc
[   61.360974][   T12] RBP: ff1100000a279000 R08: 1fe22000018a8059 R09: ff11000001aed1d0
[   61.361147][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   61.361325][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.361501][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   61.361754][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.361900][   T12] CR2: 00007fd4fe2ed000 CR3: 000000004994d001 CR4: 0000000000771ef0
[   61.362126][   T12] PKRU: 55555554
[   61.362219][   T12] Call Trace:
[   61.362305][   T12]  <TASK>
[   61.362367][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.362518][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.362707][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.362825][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.362942][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.363059][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.363185][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.363308][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.363431][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.363551][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.363719][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.363838][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.363953][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.364070][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.364189][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.364307][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.364428][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.364547][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.364714][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.364835][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.364950][   T12]  kthread (kernel/kthread.c:436)
[   61.365038][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.365185][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.365302][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.365418][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.365567][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.365730][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.365848][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.382779][   T12] ------------[ cut here ]------------
| [   61.382919][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   61.383167][   T12] Modules linked in: xfrm_user nf_tables
| [   61.383584][   T12] Tainted: [W]=WARN
[   61.383685][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.383842][   T12] Workqueue: netns cleanup_net
[   61.383972][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.384131][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.384581][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.384744][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c5403c0 RCX: 1ff4000000018eaf
[   61.384929][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c54047c
[   61.385114][   T12] RBP: ff11000010aa9000 R08: 1fe22000018a8091 R09: ff11000001aed1d0
[   61.385310][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   61.385494][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000923c000
[   61.385692][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   61.385916][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.386070][   T12] CR2: 00007fa67e98c668 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.386262][   T12] PKRU: 55555554
[   61.386355][   T12] Call Trace:
[   61.386449][   T12]  <TASK>
[   61.386516][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.386642][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.386742][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.386866][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.386989][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.387110][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.387240][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.387368][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.387530][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.387690][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.387817][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.387972][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.388094][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.388221][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.388375][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.388502][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.388630][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.388758][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.388881][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.389005][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.389134][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.389260][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.389387][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.389513][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.389634][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.389765][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.389889][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.390013][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.390139][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.390268][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.390396][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.390525][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.390646][   T12]  kthread (kernel/kthread.c:436)
[   61.390744][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.390897][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.391019][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.391142][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.391301][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.391422][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.391546][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.393804][   T12] ------------[ cut here ]------------
| [   61.393927][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   61.394166][   T12] Modules linked in: xfrm_user nf_tables
| [   61.394575][   T12] Tainted: [W]=WARN
[   61.395165][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.395327][   T12] Workqueue: netns cleanup_net
[   61.395454][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.395617][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.396120][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.396280][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c5418c0 RCX: 1ff4000000018eaf
[   61.396461][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c54197c
[   61.396646][   T12] RBP: ff1100000923c000 R08: 1fe22000018a8331 R09: ff11000001aed1d0
[   61.396880][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   61.397061][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f8bc000
[   61.397251][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   61.397543][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.397744][   T12] CR2: 00007fa67e98c668 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.397929][   T12] PKRU: 55555554
[   61.398021][   T12] Call Trace:
[   61.398111][   T12]  <TASK>
[   61.398175][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.398301][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.398431][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.398529][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.398730][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.398851][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.398972][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.399093][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.399220][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.399373][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.399533][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.399716][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.399870][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.399993][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.400114][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.400271][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.400396][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.400522][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.400643][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.400832][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.400956][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.401078][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.401204][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.401328][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.401450][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.401574][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.401766][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.401890][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.402012][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.402137][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.402265][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.402391][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.402519][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.402640][   T12]  kthread (kernel/kthread.c:436)
[   61.402795][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.402950][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.403071][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.403198][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.403351][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.403473][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.403598][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.405901][   T12] ------------[ cut here ]------------
| [   61.406028][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   61.406290][   T12] Modules linked in: xfrm_user nf_tables
| [   61.407161][   T12] Tainted: [W]=WARN
[   61.407259][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.407411][   T12] Workqueue: netns cleanup_net
[   61.407543][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.407756][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.408197][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.408351][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a168ac0 RCX: 1ff4000000018eaf
[   61.408539][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a168b7c
[   61.408771][   T12] RBP: ff1100000f8bc000 R08: 1fe220000142d171 R09: ff11000001aed1d0
[   61.408953][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   61.409135][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   61.409378][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   61.409595][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.409799][   T12] CR2: 00007fa67e98c668 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.409984][   T12] PKRU: 55555554
[   61.410076][   T12] Call Trace:
[   61.410173][   T12]  <TASK>
[   61.410242][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.410363][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.410488][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.410584][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.410756][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.410879][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.411003][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.411128][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.411257][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.411416][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.411578][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.411751][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.411904][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.412026][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.412150][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.412310][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.412436][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.412563][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.412736][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.412859][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.412984][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.413110][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.413236][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.413360][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.413482][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.413605][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.413778][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.413901][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.414026][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.414153][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.414280][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.414408][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.414539][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.414710][   T12]  kthread (kernel/kthread.c:436)
[   61.414805][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.414960][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.415084][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.415214][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.415367][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.415491][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.415616][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.418400][   T12] ------------[ cut here ]------------
| [   61.418541][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   61.418786][   T12] Modules linked in: xfrm_user nf_tables
| [   61.419186][   T12] Tainted: [W]=WARN
[   61.419276][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.419423][   T12] Workqueue: netns cleanup_net
[   61.419551][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.419717][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.420143][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.420303][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a169c40 RCX: 1ff4000000018ed5
[   61.420483][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a169cfc
[   61.420665][   T12] RBP: ff11000010aa9000 R08: 1fe220000142d3a1 R09: ff11000001aed1d0
[   61.420843][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   61.421020][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.421204][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   61.421415][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.421568][   T12] CR2: 00007f5e7cb29310 CR3: 00000000134fe005 CR4: 0000000000771ef0
[   61.421751][   T12] PKRU: 55555554
[   61.421841][   T12] Call Trace:
[   61.421932][   T12]  <TASK>
[   61.421995][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.422151][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.422305][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.422424][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.422546][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.422700][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.422820][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.422939][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.423068][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.423200][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.423320][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.423441][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.423568][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.423741][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.423860][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.423980][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.424099][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.424224][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.424389][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.424511][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.424635][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.424811][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.424929][   T12]  kthread (kernel/kthread.c:436)
[   61.425020][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.425166][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.425294][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.425413][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.425568][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.425736][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.425858][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.428913][   T12] ------------[ cut here ]------------
| [   61.429048][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.429296][   T12] Modules linked in: xfrm_user nf_tables
| [   61.429696][   T12] Tainted: [W]=WARN
[   61.429793][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.429940][   T12] Workqueue: netns cleanup_net
[   61.430065][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.430222][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.430659][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.430808][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b8d9e00 RCX: 1ff4000000018ed5
[   61.430983][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8d9ebc
[   61.431163][   T12] RBP: ff1100000923c000 R08: 1fe220000171b3d9 R09: ff11000001aed1d0
[   61.431341][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.431520][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.431709][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   61.431918][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.432065][   T12] CR2: 000055d4019aa778 CR3: 000000004994d003 CR4: 0000000000771ef0
[   61.432248][   T12] PKRU: 55555554
[   61.432336][   T12] Call Trace:
[   61.432423][   T12]  <TASK>
[   61.432485][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.432639][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.432839][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.432978][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.433096][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.433256][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.433374][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.433495][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.433619][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.433754][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.433880][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.434000][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.434120][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.434244][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.434361][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.434480][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.434598][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.434723][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.434843][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.434961][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.435082][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.435208][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.435324][   T12]  kthread (kernel/kthread.c:436)
[   61.435417][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.435566][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.435690][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.435807][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.435953][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.436069][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.436192][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.439113][   T12] ------------[ cut here ]------------
| [   61.439244][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.439476][   T12] Modules linked in: xfrm_user nf_tables
| [   61.439883][   T12] Tainted: [W]=WARN
[   61.439972][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.440121][   T12] Workqueue: netns cleanup_net
[   61.440253][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.440407][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.440837][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.440986][   T12] RAX: 00000000ffffffa6 RBX: ff110000109ccac0 RCX: 1ff4000000018ed5
[   61.441166][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109ccb7c
[   61.441348][   T12] RBP: ff1100000f8bc000 R08: 1fe2200002139971 R09: ff11000001aed1d0
[   61.441527][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.441788][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.441992][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   61.442210][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.442358][   T12] CR2: 000055d4019aa778 CR3: 000000004994d003 CR4: 0000000000771ef0
[   61.442546][   T12] PKRU: 55555554
[   61.442633][   T12] Call Trace:
[   61.442727][   T12]  <TASK>
[   61.442788][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.442944][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.443090][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.443214][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.443330][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.443480][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.443601][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.443725][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.443843][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.443964][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.444083][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.444206][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.444326][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.444444][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.444564][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.444692][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.444810][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.444929][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.445049][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.445170][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.445297][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.445418][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.445539][   T12]  kthread (kernel/kthread.c:436)
[   61.445626][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.445777][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.445893][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.446010][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.446161][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.446280][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.446396][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.508532][   T12] ------------[ cut here ]------------
| [   61.508682][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.508912][   T12] Modules linked in: xfrm_user nf_tables
| [   61.509301][   T12] Tainted: [W]=WARN
[   61.509389][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.509539][   T12] Workqueue: netns cleanup_net
[   61.509665][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.509817][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.510232][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.510387][   T12] RAX: 00000000ffffffa6 RBX: ff110000109cd8c0 RCX: 1ff4000000018eed
[   61.510564][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109cd97c
[   61.510790][   T12] RBP: ff11000014c19000 R08: 1fe2200002139b31 R09: ff11000001aed1d0
[   61.510962][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.511135][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.511321][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   61.511527][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.511678][   T12] CR2: 000055d4019aa778 CR3: 000000004994d003 CR4: 0000000000771ef0
[   61.511853][   T12] PKRU: 55555554
[   61.511940][   T12] Call Trace:
[   61.512028][   T12]  <TASK>
[   61.512088][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.512241][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.512387][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.512505][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.512623][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.512746][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.512863][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.512981][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.513097][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.513220][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.513337][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.513458][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.513576][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.513695][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.513812][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.513928][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.514048][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.514167][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.514296][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.514414][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.514533][   T12]  kthread (kernel/kthread.c:436)
[   61.514620][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.514772][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.514888][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.515005][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.515149][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.515271][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.515387][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.517539][   T12] ------------[ cut here ]------------
| [   61.517663][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.517887][   T12] Modules linked in: xfrm_user nf_tables
| [   61.518274][   T12] Tainted: [W]=WARN
[   61.518361][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.518508][   T12] Workqueue: netns cleanup_net
[   61.518627][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.518782][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.519194][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.519340][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b6ac0 RCX: 1ff4000000018eed
[   61.519523][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b6b7c
[   61.519702][   T12] RBP: ff11000009929000 R08: 1fe2200002036d71 R09: ff11000001aed1d0
[   61.519877][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.520053][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.520229][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   61.520431][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.520579][   T12] CR2: 000055d4019aa778 CR3: 000000004994d003 CR4: 0000000000771ef0
[   61.520755][   T12] PKRU: 55555554
[   61.520843][   T12] Call Trace:
[   61.520929][   T12]  <TASK>
[   61.520990][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.521141][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.521288][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.521403][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.521524][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.521642][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.521764][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.521882][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.521999][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.522114][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.522237][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.522352][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.522465][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.522584][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.522706][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.522823][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.522941][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.523057][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.523175][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.523300][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.523418][   T12]  kthread (kernel/kthread.c:436)
[   61.523509][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.523658][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.523772][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.523889][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.524031][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.524150][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.524272][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.535767][   T12] ------------[ cut here ]------------
| [   61.535898][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.536125][   T12] Modules linked in: xfrm_user nf_tables
| [   61.536528][   T12] Tainted: [W]=WARN
[   61.536616][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.536771][   T12] Workqueue: netns cleanup_net
[   61.536898][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.537050][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.537537][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.537715][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d68e040 RCX: 1ff4000000018eed
[   61.537887][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68e0fc
[   61.538058][   T12] RBP: ff11000012484000 R08: 1fe2200001ad1c21 R09: ff11000001aed1d0
[   61.538241][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.538410][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.538593][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   61.538801][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.538951][   T12] CR2: 000055d4019aa778 CR3: 000000004994d003 CR4: 0000000000771ef0
[   61.539125][   T12] PKRU: 55555554
[   61.539217][   T12] Call Trace:
[   61.539302][   T12]  <TASK>
[   61.539363][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.539516][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.539664][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.539781][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.539899][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.540013][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.540129][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.540250][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.540367][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.540480][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.540599][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.540721][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.540834][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.540950][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.541064][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.541180][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.541305][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.541420][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.541544][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.541668][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.541784][   T12]  kthread (kernel/kthread.c:436)
[   61.541870][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.542012][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.542133][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.542258][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.542405][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.542528][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.542645][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.545077][   T12] ------------[ cut here ]------------
| [   61.545290][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.545542][   T12] Modules linked in: xfrm_user nf_tables
| [   61.545932][   T12] Tainted: [W]=WARN
[   61.546021][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.546168][   T12] Workqueue: netns cleanup_net
[   61.546294][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.546444][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.546869][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.547015][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d68fc40 RCX: 1ff4000000018eed
[   61.547196][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68fcfc
[   61.547367][   T12] RBP: ff110000124ec000 R08: 1fe2200001ad1fa1 R09: ff11000001aed1d0
[   61.547542][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.547718][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.547890][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   61.548095][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.548246][   T12] CR2: 000055d4019aa778 CR3: 000000004994d003 CR4: 0000000000771ef0
[   61.548418][   T12] PKRU: 55555554
[   61.548506][   T12] Call Trace:
[   61.548592][   T12]  <TASK>
[   61.548658][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.548806][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.548952][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.549068][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.549193][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.549308][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.549422][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.549540][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.549716][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.549830][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.549951][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.550064][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.550177][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.550301][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.550415][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.550536][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.550703][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.550818][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.550937][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.551056][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.551173][   T12]  kthread (kernel/kthread.c:436)
[   61.551266][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.551409][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.551531][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.551646][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.551837][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.551951][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.552068][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.554420][   T12] ------------[ cut here ]------------
| [   61.554591][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.554890][   T12] Modules linked in: xfrm_user nf_tables
| [   61.555378][   T12] Tainted: [W]=WARN
[   61.555514][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.555728][   T12] Workqueue: netns cleanup_net
[   61.555896][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.556093][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.556566][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.556829][   T12] RAX: 00000000ffffffa6 RBX: ff1100001243f000 RCX: 1ff4000000018eed
[   61.557099][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243f0bc
[   61.557371][   T12] RBP: ff1100000fd6c000 R08: 1fe2200002487e19 R09: ff11000001aed1d0
[   61.557644][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.557963][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.558238][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   61.558559][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.558760][   T12] CR2: 00007ffe3bb9fb28 CR3: 0000000010067006 CR4: 0000000000771ef0
[   61.558981][   T12] PKRU: 55555554
[   61.559115][   T12] Call Trace:
[   61.559260][   T12]  <TASK>
[   61.559368][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.559573][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.559781][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.559947][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.560113][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.560285][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.560450][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.560627][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.560807][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.560969][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.561136][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.561311][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.561476][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.561645][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.561826][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.561994][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.562163][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.562334][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.562508][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.562692][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.562856][   T12]  kthread (kernel/kthread.c:436)
[   61.562994][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.563194][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.563359][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.563528][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.563732][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.563897][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.564062][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.577303][   T12] ------------[ cut here ]------------
| [   61.577491][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.578148][   T12] Modules linked in: xfrm_user nf_tables
| [   61.578679][   T12] Tainted: [W]=WARN
[   61.578821][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.579020][   T12] Workqueue: netns cleanup_net
[   61.579212][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.579420][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.579920][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.580123][   T12] RAX: 00000000ffffffa6 RBX: ff1100001243eac0 RCX: 1ff4000000018eaf
[   61.580359][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243eb7c
[   61.580593][   T12] RBP: ff1100000fdac000 R08: 1fe2200002487d71 R09: ff11000001aed1d0
[   61.580834][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   61.581071][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000538c000
[   61.581311][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   61.581578][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.581791][   T12] CR2: 00007ffe3bb9fb28 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.582024][   T12] PKRU: 55555554
[   61.582162][   T12] Call Trace:
[   61.582308][   T12]  <TASK>
[   61.582417][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.582596][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.582754][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.582925][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.583093][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.583273][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.583446][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.583625][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.583837][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.584040][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.584215][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.584415][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.584591][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.584778][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.584981][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.585153][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.585332][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.585504][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.585702][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.585878][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.586054][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.586230][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.586403][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.586582][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.586761][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.586933][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.587103][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.587286][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.587460][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.587639][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.587827][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.588014][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.588202][   T12]  kthread (kernel/kthread.c:436)
[   61.588343][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.588552][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.588733][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.588906][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.589112][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.589291][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.589490][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.592237][   T12] ------------[ cut here ]------------
| [   61.592404][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.593148][   T12] Modules linked in: xfrm_user nf_tables
| [   61.593700][   T12] Tainted: [W]=WARN
[   61.593839][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.594042][   T12] Workqueue: netns cleanup_net
[   61.594224][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.594431][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.594933][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.595137][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d351380 RCX: 1ff4000000018eaf
[   61.595374][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d35143c
[   61.595609][   T12] RBP: ff1100000538c000 R08: 1fe2200001a6a289 R09: ff11000001aed1d0
[   61.595854][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   61.596087][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f819000
[   61.596320][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   61.596588][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.596801][   T12] CR2: 00007ffe3bb9fb28 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.597033][   T12] PKRU: 55555554
[   61.597172][   T12] Call Trace:
[   61.597319][   T12]  <TASK>
[   61.597429][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.597608][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.597791][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.597933][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.598103][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.598283][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.598449][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.598625][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.598808][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.599038][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.599248][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.599421][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.599633][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.599816][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.599985][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.600193][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.600366][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.600543][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.600728][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.600902][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.601074][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.601254][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.601425][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.601608][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.601794][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.601961][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.602133][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.602315][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.602486][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.602678][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.602847][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.603020][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.603202][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.603372][   T12]  kthread (kernel/kthread.c:436)
[   61.603513][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.603731][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.603901][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.604070][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.604279][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.604448][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.604623][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.607512][   T12] ------------[ cut here ]------------
| [   61.607757][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.608041][   T12] Modules linked in: xfrm_user nf_tables
| [   61.608634][   T12] Tainted: [W]=WARN
[   61.608785][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.609063][   T12] Workqueue: netns cleanup_net
[   61.609244][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.609454][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.610036][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.610247][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f36eac0 RCX: 1ff4000000018eaf
[   61.610477][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f36eb7c
[   61.610722][   T12] RBP: ff1100000f819000 R08: 1fe2200001e6dd71 R09: ff11000001aed1d0
[   61.610949][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   61.611261][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   61.611493][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   61.611773][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.612129][   T12] CR2: 00007ffe3bb9fb28 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.612371][   T12] PKRU: 55555554
[   61.612511][   T12] Call Trace:
[   61.612744][   T12]  <TASK>
[   61.612855][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.613108][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.613285][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.613427][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.613605][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.613786][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.613956][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.614128][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.614310][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.614516][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.614736][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.614907][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.615104][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.615310][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.615482][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.615787][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.615993][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.616165][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.616500][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.616691][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.616863][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.617037][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.617214][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.617389][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.617568][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.617827][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.618078][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.618257][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.618430][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.618614][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.618795][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.618968][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.619143][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.619322][   T12]  kthread (kernel/kthread.c:436)
[   61.619552][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.619766][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.619939][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.620108][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.620478][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.620672][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.620869][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.623802][   T12] ------------[ cut here ]------------
| [   61.623966][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.624323][   T12] Modules linked in: xfrm_user nf_tables
| [   61.625420][   T12] Tainted: [W]=WARN
[   61.625610][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.625865][   T12] Workqueue: netns cleanup_net
[   61.626083][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.626339][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.626869][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.627111][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f36fc40 RCX: 1ff4000000018ed5
[   61.627388][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f36fcfc
[   61.627687][   T12] RBP: ff1100000fdac000 R08: 1fe2200001e6dfa1 R09: ff11000001aed1d0
[   61.627953][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.628228][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.628497][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   61.628820][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.629061][   T12] CR2: 00007ffe3bb9fb28 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.629335][   T12] PKRU: 55555554
[   61.629519][   T12] Call Trace:
[   61.629712][   T12]  <TASK>
[   61.629864][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.630107][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.630357][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.630573][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.630795][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.631036][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.631254][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.631466][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.631700][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.631911][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.632122][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.632334][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.632558][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.632778][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.632987][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.633207][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.633448][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.633791][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.634029][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.634289][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.634461][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.634642][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.634821][   T12]  kthread (kernel/kthread.c:436)
[   61.634955][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.635149][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.635319][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.635486][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.635698][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.635867][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.636032][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.638930][   T12] ------------[ cut here ]------------
| [   61.639089][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.639366][   T12] Modules linked in: xfrm_user nf_tables
| [   61.639926][   T12] Tainted: [W]=WARN
[   61.640133][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.640382][   T12] Workqueue: netns cleanup_net
[   61.640608][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.640869][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.641389][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.641635][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b6900 RCX: 1ff4000000018ed5
[   61.641913][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b69bc
[   61.642193][   T12] RBP: ff1100000538c000 R08: 1fe2200002036d39 R09: ff11000001aed1d0
[   61.642461][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.642746][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.643013][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   61.643317][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.643560][   T12] CR2: 00007ffe3bb9fb28 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.643844][   T12] PKRU: 55555554
[   61.644022][   T12] Call Trace:
[   61.644206][   T12]  <TASK>
[   61.644359][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.644610][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.644859][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.645067][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.645284][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.645538][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.645763][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.645973][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.646190][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.646401][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.646621][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.646839][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.647056][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.647272][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.647480][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.647709][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.647918][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.648325][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.648576][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.648880][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.649121][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.649337][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.649555][   T12]  kthread (kernel/kthread.c:436)
[   61.649746][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.649983][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.650200][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.650412][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.650668][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.650878][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.651085][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.661289][   T12] ------------[ cut here ]------------
| [   61.661421][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   61.661928][   T12] Modules linked in: xfrm_user nf_tables
| [   61.662319][   T12] Tainted: [W]=WARN
[   61.662406][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.662555][   T12] Workqueue: netns cleanup_net
[   61.662776][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.662926][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.663346][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.663492][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc64ac0 RCX: 1ff4000000018ed5
[   61.663761][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc64b7c
[   61.663932][   T12] RBP: ff1100000f819000 R08: 1fe2200001f8c971 R09: ff11000001aed1d0
[   61.664104][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   61.664282][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.664456][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   61.664751][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.664895][   T12] CR2: 000055d401a09088 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.665082][   T12] PKRU: 55555554
[   61.665167][   T12] Call Trace:
[   61.665258][   T12]  <TASK>
[   61.665318][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.665466][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.665612][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.665816][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.665930][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.666078][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.666198][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.666315][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.666430][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.666551][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.666757][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.666871][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.666991][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.667106][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.667226][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.667343][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.667459][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.667580][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.667781][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.667899][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.668019][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.668138][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.668257][   T12]  kthread (kernel/kthread.c:436)
[   61.668344][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.668493][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.668612][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.668809][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.668956][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.669072][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.669193][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.703327][   T12] ------------[ cut here ]------------
| [   61.703493][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.704238][   T12] Modules linked in: xfrm_user nf_tables
| [   61.704741][   T12] Tainted: [W]=WARN
[   61.704902][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.705102][   T12] Workqueue: netns cleanup_net
[   61.705280][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.705477][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.705954][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.706147][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc658c0 RCX: 1ff4000000018eed
[   61.706373][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc6597c
[   61.706600][   T12] RBP: ff11000012bf4000 R08: 1fe2200001f8cb31 R09: ff11000001aed1d0
[   61.706831][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.707047][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.707305][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   61.707592][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.707797][   T12] CR2: 00007ffe3bb9f718 CR3: 0000000010067001 CR4: 0000000000771ef0
[   61.708017][   T12] PKRU: 55555554
[   61.708149][   T12] Call Trace:
[   61.708291][   T12]  <TASK>
[   61.708397][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.708601][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.708806][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.708970][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.709134][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.709304][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.709468][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.709640][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.709820][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.709980][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.710145][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.710319][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.710484][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.710665][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.710827][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.710990][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.711156][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.711324][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.711491][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.711679][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.711842][   T12]  kthread (kernel/kthread.c:436)
[   61.711976][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.712169][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.712341][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.712507][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.712715][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.712879][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.713041][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.715612][   T12] ------------[ cut here ]------------
| [   61.715788][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.716066][   T12] Modules linked in: xfrm_user nf_tables
| [   61.716553][   T12] Tainted: [W]=WARN
[   61.716707][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.716899][   T12] Workqueue: netns cleanup_net
[   61.717066][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.717269][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.717745][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.717940][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246e040 RCX: 1ff4000000018eed
[   61.718167][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e0fc
[   61.718392][   T12] RBP: ff1100000e701000 R08: 1fe220000248dc21 R09: ff11000001aed1d0
[   61.718617][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.718847][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.719101][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   61.719360][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.719557][   T12] CR2: 00007ffe3bb9f718 CR3: 0000000010067001 CR4: 0000000000771ef0
[   61.719790][   T12] PKRU: 55555554
[   61.719922][   T12] Call Trace:
[   61.720053][   T12]  <TASK>
[   61.720159][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.720361][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.720558][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.720731][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.720894][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.721056][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.721230][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.721396][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.721567][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.721741][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.721907][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.722071][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.722240][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.722409][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.722578][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.722759][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.722952][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.723114][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.723319][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.723493][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.723678][   T12]  kthread (kernel/kthread.c:436)
[   61.723812][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.724002][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.724168][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.724340][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.724535][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.724714][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.724892][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.727568][   T12] ------------[ cut here ]------------
| [   61.727733][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.728040][   T12] Modules linked in: xfrm_user nf_tables
| [   61.728529][   T12] Tainted: [W]=WARN
[   61.729158][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.729414][   T12] Workqueue: netns cleanup_net
[   61.729636][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.729898][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.730416][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.730675][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a952e40 RCX: 1ff4000000018eed
[   61.730938][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a952efc
[   61.731208][   T12] RBP: ff11000009a14000 R08: 1fe220000152a5e1 R09: ff11000001aed1d0
[   61.731484][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.731766][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.732030][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   61.732331][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.732601][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.732879][   T12] PKRU: 55555554
[   61.733052][   T12] Call Trace:
[   61.733237][   T12]  <TASK>
[   61.733388][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.733636][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.733881][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.734093][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.734303][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.734547][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.734812][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.735074][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.735335][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.735596][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.735871][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.736125][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.736384][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.736638][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.736892][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.737067][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.737235][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.737398][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.737578][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.737760][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.737925][   T12]  kthread (kernel/kthread.c:436)
[   61.738059][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.738258][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.738421][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.738592][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.738801][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.738965][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.739128][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.741525][   T12] ------------[ cut here ]------------
| [   61.741704][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.741976][   T12] Modules linked in: xfrm_user nf_tables
| [   61.742456][   T12] Tainted: [W]=WARN
[   61.742599][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.742906][   T12] Workqueue: netns cleanup_net
[   61.743122][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.743376][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.743898][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.744138][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a952580 RCX: 1ff4000000018eed
[   61.744409][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a95263c
[   61.744693][   T12] RBP: ff1100000c84c000 R08: 1fe220000152a4c9 R09: ff11000001aed1d0
[   61.744960][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.745233][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.745498][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   61.745815][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.746055][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.746331][   T12] PKRU: 55555554
[   61.746510][   T12] Call Trace:
[   61.746704][   T12]  <TASK>
[   61.746855][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.747093][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.747341][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.747558][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.747778][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.747984][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.748200][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.748407][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.748625][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.748844][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.749055][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.749226][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.749389][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.749560][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.749737][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.749900][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.750067][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.750242][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.750414][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.750590][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.750766][   T12]  kthread (kernel/kthread.c:436)
[   61.750900][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.751090][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.751258][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.751424][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.751623][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.751799][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.751962][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.754364][   T12] ------------[ cut here ]------------
| [   61.754523][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.755623][   T12] Modules linked in: xfrm_user nf_tables
| [   61.756208][   T12] Tainted: [W]=WARN
[   61.756385][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.756628][   T12] Workqueue: netns cleanup_net
[   61.756856][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.757098][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.757618][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.757871][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a952040 RCX: 1ff4000000018eed
[   61.758132][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9520fc
[   61.758405][   T12] RBP: ff11000014c14000 R08: 1fe220000152a421 R09: ff11000001aed1d0
[   61.758691][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.758953][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.759226][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   61.759556][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.759812][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.760109][   T12] PKRU: 55555554
[   61.760293][   T12] Call Trace:
[   61.760473][   T12]  <TASK>
[   61.760630][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.760885][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.761124][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.761337][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.761557][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.761775][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.761981][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.762227][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.762436][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.762707][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.762918][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.763127][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.763346][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.763562][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.763784][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.763993][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.764214][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.764481][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.764750][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.765016][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.765289][   T12]  kthread (kernel/kthread.c:436)
[   61.765519][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.765814][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.766065][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.766322][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.766565][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.766739][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.766902][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.784928][   T12] ------------[ cut here ]------------
| [   61.785100][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.785397][   T12] Modules linked in: xfrm_user nf_tables
| [   61.785917][   T12] Tainted: [W]=WARN
[   61.786056][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.786261][   T12] Workqueue: netns cleanup_net
[   61.786435][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.786729][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.787271][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.787531][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a952200 RCX: 1ff4000000018eaf
[   61.787821][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9522bc
[   61.788098][   T12] RBP: ff11000009a5c000 R08: 1fe220000152a459 R09: ff11000001aed1d0
[   61.788382][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   61.788682][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ebcc000
[   61.788969][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   61.789288][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.789550][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.789843][   T12] PKRU: 55555554
[   61.790028][   T12] Call Trace:
[   61.790220][   T12]  <TASK>
[   61.790381][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.790611][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.790815][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.791000][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.791170][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.791348][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.791523][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.791706][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.791907][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.792107][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.792286][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.792490][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.792681][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.792849][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.793048][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.793228][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.793401][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.793579][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.793763][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.793934][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.794105][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.794283][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.794457][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.794637][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.794818][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.794995][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.795164][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.795345][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.795551][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.795733][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.795911][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.796087][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.796296][   T12]  kthread (kernel/kthread.c:436)
[   61.796438][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.796645][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.796830][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.796999][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.797204][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.797374][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.797552][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.800209][   T12] ------------[ cut here ]------------
| [   61.800374][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.801224][   T12] Modules linked in: xfrm_user nf_tables
| [   61.801747][   T12] Tainted: [W]=WARN
[   61.801886][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.802085][   T12] Workqueue: netns cleanup_net
[   61.802274][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.802482][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.802980][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.803181][   T12] RAX: 00000000ffffffa6 RBX: ff11000012121c40 RCX: 1ff4000000018eaf
[   61.803420][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012121cfc
[   61.803666][   T12] RBP: ff1100000ebcc000 R08: 1fe22000024243a1 R09: ff11000001aed1d0
[   61.803924][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   61.804152][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009711000
[   61.804392][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   61.804673][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.804872][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.805103][   T12] PKRU: 55555554
[   61.805251][   T12] Call Trace:
[   61.805392][   T12]  <TASK>
[   61.805506][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.805693][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.805864][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.806007][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.806178][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.806354][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.806527][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.806716][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.806887][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.807089][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.807298][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.807470][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.807689][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.807855][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.808029][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.808269][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.808442][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.808623][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.808808][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.808977][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.809148][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.809329][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.809528][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.809715][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.809886][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.810054][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.810233][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.810415][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.810595][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.810781][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.810951][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.811123][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.811307][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.811509][   T12]  kthread (kernel/kthread.c:436)
[   61.811666][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.811870][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.812040][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.812217][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.812418][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.812594][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.812779][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.815490][   T12] ------------[ cut here ]------------
| [   61.816156][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.816546][   T12] Modules linked in: xfrm_user nf_tables
| [   61.817150][   T12] Tainted: [W]=WARN
[   61.817342][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.817595][   T12] Workqueue: netns cleanup_net
[   61.817837][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.818092][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.818646][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   61.818951][   T12] RAX: 00000000ffffffa6 RBX: ff11000012120040 RCX: 1ff4000000018eaf
[   61.819236][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121200fc
[   61.819515][   T12] RBP: ff11000009711000 R08: 1fe2200002424021 R09: ff11000001aed1d0
[   61.819807][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   61.820083][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   61.820370][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   61.820702][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.820950][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.821235][   T12] PKRU: 55555554
[   61.821422][   T12] Call Trace:
[   61.821615][   T12]  <TASK>
[   61.821787][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.822005][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.822229][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.822417][   T12]  netif_close_many (net/core/dev.c:1804)
[   61.822642][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.823116][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.823385][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.823560][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   61.823750][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   61.823951][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   61.824153][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.824331][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.824535][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.824721][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.824891][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.825098][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   61.825280][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.825451][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.825629][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.825813][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.825985][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.826158][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.826348][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.826527][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.826709][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.826878][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.827051][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.827229][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.827401][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.827585][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.827768][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.827942][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.828118][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.828292][   T12]  kthread (kernel/kthread.c:436)
[   61.828432][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.828641][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.828829][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.829000][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.829206][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.829377][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.829556][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.832182][   T12] ------------[ cut here ]------------
| [   61.832354][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.833126][   T12] Modules linked in: xfrm_user nf_tables
| [   61.833747][   T12] Tainted: [W]=WARN
[   61.833927][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.834168][   T12] Workqueue: netns cleanup_net
[   61.834396][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.834671][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.835195][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.835436][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda9c40 RCX: 1ff4000000018ed5
[   61.835726][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda9cfc
[   61.836027][   T12] RBP: ff11000009a5c000 R08: 1fe2200001bb53a1 R09: ff11000001aed1d0
[   61.836307][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.836577][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.836892][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   61.837204][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.837445][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.837734][   T12] PKRU: 55555554
[   61.837915][   T12] Call Trace:
[   61.838095][   T12]  <TASK>
[   61.838255][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.838500][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.838765][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.838977][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.839199][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.839444][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.839680][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.839893][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.840138][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.840319][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.840492][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.840678][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.840848][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.841014][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.841179][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.841356][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.841529][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.841713][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.841888][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.842053][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.842230][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.842402][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.842577][   T12]  kthread (kernel/kthread.c:436)
[   61.842728][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.842926][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.843094][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.843271][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.843471][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.843643][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.843824][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.848120][   T12] ------------[ cut here ]------------
| [   61.848294][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.848585][   T12] Modules linked in: xfrm_user nf_tables
| [   61.849085][   T12] Tainted: [W]=WARN
[   61.849231][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.849437][   T12] Workqueue: netns cleanup_net
[   61.849614][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.849941][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.850485][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.850784][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246e3c0 RCX: 1ff4000000018ed5
[   61.851077][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e47c
[   61.851353][   T12] RBP: ff1100000ebcc000 R08: 1fe220000248dc91 R09: ff11000001aed1d0
[   61.851630][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.851926][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.852210][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   61.852529][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.852780][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.853050][   T12] PKRU: 55555554
[   61.853240][   T12] Call Trace:
[   61.853420][   T12]  <TASK>
[   61.853577][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.853839][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.854080][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.854305][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.854528][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.854784][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.854997][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.855219][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.855434][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.855668][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.855884][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.856094][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.856322][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.856547][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.856771][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.856985][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.857207][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.857421][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.857714][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.857879][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.858051][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.858229][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.858397][   T12]  kthread (kernel/kthread.c:436)
[   61.858540][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.858751][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.858921][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.859089][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.859290][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.859457][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.859631][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.862473][   T12] ------------[ cut here ]------------
| [   61.862636][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.863489][   T12] Modules linked in: xfrm_user nf_tables
| [   61.864176][   T12] Tainted: [W]=WARN
[   61.864452][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.864710][   T12] Workqueue: netns cleanup_net
[   61.864926][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.865226][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.865709][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   61.865905][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ceafc40 RCX: 1ff4000000018ed5
[   61.866127][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceafcfc
[   61.866357][   T12] RBP: ff11000009711000 R08: 1fe22000019d5fa1 R09: ff11000001aed1d0
[   61.866589][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.866823][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.867048][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   61.867308][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.867509][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.867751][   T12] PKRU: 55555554
[   61.867886][   T12] Call Trace:
[   61.868020][   T12]  <TASK>
[   61.868128][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.868339][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.868538][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.868719][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.868887][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   61.869085][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   61.869261][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   61.869427][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   61.869601][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   61.869782][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   61.869951][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.870118][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.870293][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.870460][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.870633][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.870813][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.870978][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.871144][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.871323][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.871492][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.871684][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.871855][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.872020][   T12]  kthread (kernel/kthread.c:436)
[   61.872155][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.872359][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.872529][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.872712][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.872907][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.873072][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.873247][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.918671][ T1596] ------------[ cut here ]------------
| [   61.918829][ T1596] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1596
| [   61.919092][ T1596] Modules linked in: xfrm_user nf_tables
| [   61.919499][ T1596] Tainted: [W]=WARN
[   61.919604][ T1596] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.919775][ T1596] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.919946][ T1596] 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
[   61.920424][ T1596] RSP: 0018:ffa00000021cfa80 EFLAGS: 00010286
[   61.920594][ T1596] RAX: 00000000ffffffa6 RBX: ff11000010b85c40 RCX: 1ff4000000439f16
[   61.920796][ T1596] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010b85cfc
[   61.920990][ T1596] RBP: ff110000094d4000 R08: 1fe2200002170ba1 R09: ff1100000e99ae80
[   61.921188][ T1596] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   61.921383][ T1596] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000094d4000
[   61.921583][ T1596] FS:  00007f7d0fcae840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   61.921818][ T1596] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.921981][ T1596] CR2: 00007f7d0feafc20 CR3: 000000000a3d7003 CR4: 0000000000771ef0
[   61.922177][ T1596] PKRU: 55555554
[   61.922280][ T1596] Call Trace:
[   61.922376][ T1596]  <TASK>
[   61.922444][ T1596]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.922585][ T1596]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.922783][ T1596]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.922883][ T1596]  register_netdevice (net/core/dev.c:11488)
[   61.923014][ T1596]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   61.923176][ T1596]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   61.923311][ T1596]  register_netdev (net/core/dev.c:11552)
[   61.923442][ T1596]  loopback_net_init (drivers/net/loopback.c:218)
[   61.923577][ T1596]  ops_init (net/core/net_namespace.c:137)
[   61.923745][ T1596]  setup_net (net/core/net_namespace.c:446)
[   61.923844][ T1596]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   61.924046][ T1596]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   61.924176][ T1596]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   61.924313][ T1596]  copy_net_ns (net/core/net_namespace.c:579)
[   61.924445][ T1596]  create_new_namespaces (kernel/nsproxy.c:132)
[   61.924582][ T1596]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   61.924779][ T1596]  ksys_unshare (kernel/fork.c:3243)
[   61.924909][ T1596]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.925041][ T1596]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   61.925171][ T1596]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   61.925309][ T1596]  ? __ia32_sys_open (fs/open.c:1374)
[   61.925440][ T1596]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   61.925576][ T1596]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   61.925718][ T1596]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.925848][ T1596]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.925978][ T1596]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.926107][ T1596]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.926275][ T1596] RIP: 0033:0x7f7d0ff70bcb
[   61.926413][ T1596] 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
[   61.926886][ T1596] RSP: 002b:00007ffd3ce1c8e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   61.927084][ T1596] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7d0ff70bcb
[   61.927285][ T1596] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   61.927481][ T1596] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   61.927682][ T1596] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd3ce1eb10
[   61.927877][ T1596] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3ce20888
| [   61.938734][ T1596] ------------[ cut here ]------------
| [   61.938874][ T1596] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1596
| [   61.939128][ T1596] Modules linked in: xfrm_user nf_tables
| [   61.939531][ T1596] Tainted: [W]=WARN
[   61.939629][ T1596] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.939868][ T1596] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.940040][ T1596] 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
[   61.940508][ T1596] RSP: 0018:ffa00000021cf918 EFLAGS: 00010286
[   61.940678][ T1596] RAX: 00000000ffffffa6 RBX: ff1100000dd3e740 RCX: 1ff4000000439ee9
[   61.940870][ T1596] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd3e7fc
[   61.941061][ T1596] RBP: ff1100000f019000 R08: 1fe2200001ba7d01 R09: ff1100000e99ae80
[   61.941255][ T1596] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   61.941448][ T1596] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f019000
[   61.941645][ T1596] FS:  00007f7d0fcae840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   61.941875][ T1596] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.942037][ T1596] CR2: 00007f7d0feafc20 CR3: 000000000a3d7003 CR4: 0000000000771ef0
[   61.942233][ T1596] PKRU: 55555554
[   61.942329][ T1596] Call Trace:
[   61.942425][ T1596]  <TASK>
[   61.942492][ T1596]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   61.942627][ T1596]  ? notifier_call_chain (kernel/notifier.c:85)
[   61.942761][ T1596]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   61.942860][ T1596]  register_netdevice (net/core/dev.c:11488)
[   61.942992][ T1596]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   61.943152][ T1596]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   61.943289][ T1596]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   61.943420][ T1596]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   61.943551][ T1596]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   61.943689][ T1596]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   61.943819][ T1596]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   61.943950][ T1596]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   61.944083][ T1596]  ops_init (net/core/net_namespace.c:137)
[   61.944187][ T1596]  setup_net (net/core/net_namespace.c:446)
[   61.944287][ T1596]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   61.944418][ T1596]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   61.944549][ T1596]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   61.944685][ T1596]  copy_net_ns (net/core/net_namespace.c:579)
[   61.944815][ T1596]  create_new_namespaces (kernel/nsproxy.c:132)
[   61.944947][ T1596]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   61.945078][ T1596]  ksys_unshare (kernel/fork.c:3243)
[   61.945214][ T1596]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   61.945344][ T1596]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   61.945473][ T1596]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   61.945607][ T1596]  ? __ia32_sys_open (fs/open.c:1374)
[   61.945745][ T1596]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   61.945875][ T1596]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   61.946003][ T1596]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   61.946131][ T1596]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   61.946263][ T1596]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   61.946394][ T1596]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   61.946559][ T1596] RIP: 0033:0x7f7d0ff70bcb
[   61.946698][ T1596] 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
[   61.947157][ T1596] RSP: 002b:00007ffd3ce1c8e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   61.947356][ T1596] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7d0ff70bcb
[   61.947555][ T1596] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   61.947754][ T1596] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   61.947949][ T1596] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd3ce1eb10
[   61.948143][ T1596] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3ce20888
| [   61.950046][   T12] ------------[ cut here ]------------
| [   61.950218][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.950490][   T12] Modules linked in: xfrm_user nf_tables
| [   61.950989][   T12] Tainted: [W]=WARN
[   61.951122][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.951322][   T12] Workqueue: netns cleanup_net
[   61.951490][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.951710][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.952179][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.952381][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dd3fc40 RCX: 1ff4000000018eed
[   61.952607][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd3fcfc
[   61.952842][   T12] RBP: ff1100000fbf1000 R08: 1fe2200001ba7fa1 R09: ff11000001aed1d0
[   61.953061][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.953287][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.953510][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   61.953834][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.954112][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.954379][   T12] PKRU: 55555554
[   61.954513][   T12] Call Trace:
[   61.954662][   T12]  <TASK>
[   61.954768][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.954964][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.955155][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.955326][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.955491][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.955677][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.955844][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.956008][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.956174][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.956343][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.956513][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.956694][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.956856][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.957025][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.957196][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.957361][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.957533][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.957711][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.957880][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.958049][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.958218][   T12]  kthread (kernel/kthread.c:436)
[   61.958357][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.958557][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.958732][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.958896][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.959087][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.959259][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.959422][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.962029][   T12] ------------[ cut here ]------------
| [   61.962195][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   61.962473][   T12] Modules linked in: xfrm_user nf_tables
| [   61.962962][   T12] Tainted: [W]=WARN
[   61.963094][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.963304][   T12] Workqueue: netns cleanup_net
[   61.963471][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.963698][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.964152][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.964348][   T12] RAX: 00000000ffffffa6 RBX: ff1100000532ac80 RCX: 1ff4000000018eed
[   61.964577][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000532ad3c
[   61.964811][   T12] RBP: ff1100001009c000 R08: 1fe2200000a655a9 R09: ff11000001aed1d0
[   61.965028][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   61.965255][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.965478][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   61.965745][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.965935][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.966154][   T12] PKRU: 55555554
[   61.966291][   T12] Call Trace:
[   61.966423][   T12]  <TASK>
[   61.966531][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.966745][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.966935][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.967098][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.967271][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.967434][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.967606][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.967785][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.967954][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.968116][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.968291][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.968455][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.968624][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.968802][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.968966][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.969133][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.969311][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.969474][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.969647][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.969830][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.969994][   T12]  kthread (kernel/kthread.c:436)
[   61.970129][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.970326][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.970493][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.970678][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.970869][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.971033][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.971205][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.976473][   T12] ------------[ cut here ]------------
| [   61.976601][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   61.976840][   T12] Modules linked in: xfrm_user nf_tables
| [   61.977236][   T12] Tainted: [W]=WARN
[   61.977324][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.977475][   T12] Workqueue: netns cleanup_net
[   61.977600][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.977757][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.978187][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.978339][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bfa8580 RCX: 1ff4000000018eed
[   61.978520][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bfa863c
[   61.978703][   T12] RBP: ff11000014d19000 R08: 1fe22000017f50c9 R09: ff11000001aed1d0
[   61.978878][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   61.979051][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.979228][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   61.979433][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.979581][   T12] CR2: 00007f48e04c92a0 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.979764][   T12] PKRU: 55555554
[   61.979850][   T12] Call Trace:
[   61.979937][   T12]  <TASK>
[   61.979999][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.980148][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.980297][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.980417][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.980538][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.980664][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.980782][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.980900][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.981018][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.981133][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.981261][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.981378][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.981495][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.981616][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.981739][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.981857][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.981976][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.982093][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.982222][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.982342][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.982458][   T12]  kthread (kernel/kthread.c:436)
[   61.982550][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.982699][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.982816][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.982932][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.983078][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.983196][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.983313][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.985293][   T12] ------------[ cut here ]------------
| [   61.985410][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   61.985640][   T12] Modules linked in: xfrm_user nf_tables
| [   61.986027][   T12] Tainted: [W]=WARN
[   61.986115][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.986266][   T12] Workqueue: netns cleanup_net
[   61.986386][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.986542][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.986959][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.987103][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bfa8900 RCX: 1ff4000000018eed
[   61.987281][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bfa89bc
[   61.987453][   T12] RBP: ff11000009b71000 R08: 1fe22000017f5139 R09: ff11000001aed1d0
[   61.987630][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   61.987808][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.987983][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   61.988190][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.988335][   T12] CR2: 00007f48e04c92a0 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.988513][   T12] PKRU: 55555554
[   61.988600][   T12] Call Trace:
[   61.988691][   T12]  <TASK>
[   61.988752][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.988900][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.989045][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.989166][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.989289][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.989406][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.989525][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.989642][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.990504][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.990624][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.990749][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.990866][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.990984][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.991103][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.991223][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   61.991341][   T12]  process_one_work (kernel/workqueue.c:3314)
[   61.991460][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   61.991581][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   61.991706][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   61.991831][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   61.991948][   T12]  kthread (kernel/kthread.c:436)
[   61.992038][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   61.992188][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.992305][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   61.992421][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   61.992570][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   61.992692][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   61.992814][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   61.994791][   T12] ------------[ cut here ]------------
| [   61.994907][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   61.995133][   T12] Modules linked in: xfrm_user nf_tables
| [   61.995520][   T12] Tainted: [W]=WARN
[   61.995612][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   61.995766][   T12] Workqueue: netns cleanup_net
[   61.995887][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   61.996040][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   61.996465][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   61.996617][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bfa8c80 RCX: 1ff4000000018eed
[   61.996795][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bfa8d3c
[   61.996967][   T12] RBP: ff11000013a61000 R08: 1fe22000017f51a9 R09: ff11000001aed1d0
[   61.997139][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   61.997319][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   61.997495][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   61.997705][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   61.997850][   T12] CR2: 00007f48e04c92a0 CR3: 000000004994d005 CR4: 0000000000771ef0
[   61.998024][   T12] PKRU: 55555554
[   61.998110][   T12] Call Trace:
[   61.998202][   T12]  <TASK>
[   61.998263][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   61.998415][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   61.998563][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   61.998686][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   61.998804][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   61.998924][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   61.999040][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   61.999163][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   61.999284][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   61.999401][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   61.999523][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   61.999640][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   61.999760][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   61.999879][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   61.999995][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.000111][   T12]  process_one_work (kernel/workqueue.c:3314)
[   62.000236][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   62.000357][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.000477][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   62.000600][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   62.000719][   T12]  kthread (kernel/kthread.c:436)
[   62.000808][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   62.000952][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.001068][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   62.001190][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   62.001340][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   62.001456][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.001576][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   62.005822][ T1596] ------------[ cut here ]------------
| [   62.005963][ T1596] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1596
| [   62.006230][ T1596] Modules linked in: xfrm_user nf_tables
| [   62.006635][ T1596] Tainted: [W]=WARN
[   62.006744][ T1596] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.006910][ T1596] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.007081][ T1596] 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
[   62.007560][ T1596] RSP: 0018:ffa00000021cf8f8 EFLAGS: 00010286
[   62.007732][ T1596] RAX: 00000000ffffffa6 RBX: ff1100000de09700 RCX: 1ff4000000439ee5
[   62.007929][ T1596] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de097bc
[   62.008125][ T1596] RBP: ff1100000f1a1000 R08: 1fe2200001bc12f9 R09: ff1100000e99ae80
[   62.008328][ T1596] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   62.008529][ T1596] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f1a1000
[   62.008733][ T1596] FS:  00007f7d0fcae840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   62.008964][ T1596] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.009129][ T1596] CR2: 00007f7d0feafc20 CR3: 000000000a3d7003 CR4: 0000000000771ef0
[   62.009332][ T1596] PKRU: 55555554
[   62.009430][ T1596] Call Trace:
[   62.009531][ T1596]  <TASK>
[   62.009599][ T1596]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.009735][ T1596]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.009868][ T1596]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.009969][ T1596]  register_netdevice (net/core/dev.c:11488)
[   62.010102][ T1596]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.010271][ T1596]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   62.010404][ T1596]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   62.010540][ T1596]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   62.010678][ T1596]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   62.010812][ T1596]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   62.010944][ T1596]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   62.011076][ T1596]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   62.011215][ T1596]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   62.011349][ T1596]  vti_init_net (net/ipv4/ip_vti.c:517)
[   62.011481][ T1596]  ops_init (net/core/net_namespace.c:137)
[   62.011583][ T1596]  setup_net (net/core/net_namespace.c:446)
[   62.011689][ T1596]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.011820][ T1596]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.011952][ T1596]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.012086][ T1596]  copy_net_ns (net/core/net_namespace.c:579)
[   62.012225][ T1596]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.012360][ T1596]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.012493][ T1596]  ksys_unshare (kernel/fork.c:3243)
[   62.012629][ T1596]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.012766][ T1596]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.012898][ T1596]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.013031][ T1596]  ? __ia32_sys_open (fs/open.c:1374)
[   62.013164][ T1596]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.013303][ T1596]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.013433][ T1596]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.013567][ T1596]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.013702][ T1596]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.013837][ T1596]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.014001][ T1596] RIP: 0033:0x7f7d0ff70bcb
[   62.014139][ T1596] 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
[   62.014615][ T1596] RSP: 002b:00007ffd3ce1c8e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.014821][ T1596] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7d0ff70bcb
[   62.015017][ T1596] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.015218][ T1596] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.015416][ T1596] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd3ce1eb10
[   62.015614][ T1596] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3ce20888
| [   62.019726][ T1596] ------------[ cut here ]------------
| [   62.019866][ T1596] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1596
| [   62.020126][ T1596] Modules linked in: xfrm_user nf_tables
| [   62.020533][ T1596] Tainted: [W]=WARN
[   62.020633][ T1596] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.020909][ T1596] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.021080][ T1596] 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
[   62.021548][ T1596] RSP: 0018:ffa00000021cfa78 EFLAGS: 00010286
[   62.021720][ T1596] RAX: 00000000ffffffa6 RBX: ff1100000de08900 RCX: 1ff4000000439f15
[   62.021914][ T1596] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de089bc
[   62.022108][ T1596] RBP: ff11000007861000 R08: 1fe2200001bc1139 R09: ff1100000e99ae80
[   62.022307][ T1596] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   62.022503][ T1596] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007861000
[   62.022704][ T1596] FS:  00007f7d0fcae840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   62.022932][ T1596] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.023094][ T1596] CR2: 00007f7d0feafc20 CR3: 000000000a3d7003 CR4: 0000000000771ef0
[   62.023294][ T1596] PKRU: 55555554
[   62.023393][ T1596] Call Trace:
[   62.023489][ T1596]  <TASK>
[   62.023560][ T1596]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.023696][ T1596]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.023827][ T1596]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.023926][ T1596]  register_netdevice (net/core/dev.c:11488)
[   62.024058][ T1596]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.024226][ T1596]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.024361][ T1596]  register_netdev (net/core/dev.c:11552)
[   62.024491][ T1596]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   62.024627][ T1596]  ops_init (net/core/net_namespace.c:137)
[   62.024732][ T1596]  setup_net (net/core/net_namespace.c:446)
[   62.024831][ T1596]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.024961][ T1596]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.025091][ T1596]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.025231][ T1596]  copy_net_ns (net/core/net_namespace.c:579)
[   62.025363][ T1596]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.025497][ T1596]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.025631][ T1596]  ksys_unshare (kernel/fork.c:3243)
[   62.025766][ T1596]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.025897][ T1596]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.026028][ T1596]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.026161][ T1596]  ? __ia32_sys_open (fs/open.c:1374)
[   62.026295][ T1596]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.026424][ T1596]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.026559][ T1596]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.026695][ T1596]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.026824][ T1596]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.026955][ T1596]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.027115][ T1596] RIP: 0033:0x7f7d0ff70bcb
[   62.027260][ T1596] 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
[   62.027732][ T1596] RSP: 002b:00007ffd3ce1c8e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.027927][ T1596] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7d0ff70bcb
[   62.028120][ T1596] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.028319][ T1596] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.028514][ T1596] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd3ce1eb10
[   62.028714][ T1596] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3ce20888
| [   62.030260][   T12] ------------[ cut here ]------------
| [   62.030387][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   62.030633][   T12] Modules linked in: xfrm_user nf_tables
| [   62.031046][   T12] Tainted: [W]=WARN
[   62.031138][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.031296][   T12] Workqueue: netns cleanup_net
[   62.031423][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.031587][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   62.032035][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   62.032195][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bfa8e40 RCX: 1ff4000000018eaf
[   62.032380][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bfa8efc
[   62.032565][   T12] RBP: ff1100000aa14000 R08: 1fe22000017f51e1 R09: ff11000001aed1d0
[   62.032755][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   62.032939][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   62.033124][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   62.033343][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.033498][   T12] CR2: 00007f48e04c92a0 CR3: 000000004994d005 CR4: 0000000000771ef0
[   62.033692][   T12] PKRU: 55555554
[   62.033784][   T12] Call Trace:
[   62.033877][   T12]  <TASK>
[   62.033941][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.034069][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.034164][   T12]  netif_close_many (net/core/dev.c:1804)
[   62.034290][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   62.034414][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   62.034546][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   62.034705][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   62.034860][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   62.034983][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   62.035105][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   62.035231][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   62.035386][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   62.035515][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   62.035640][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   62.035774][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   62.035899][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   62.036022][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   62.036147][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   62.036273][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.036398][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   62.036527][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   62.036649][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   62.036783][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.036906][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.037031][   T12]  process_one_work (kernel/workqueue.c:3314)
[   62.037158][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   62.037287][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.037418][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   62.037547][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   62.037678][   T12]  kthread (kernel/kthread.c:436)
[   62.037772][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   62.037925][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.038049][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   62.038173][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   62.038333][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   62.038456][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.038585][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   62.047170][   T12] ------------[ cut here ]------------
| [   62.047301][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   62.047541][   T12] Modules linked in: xfrm_user nf_tables
| [   62.048364][   T12] Tainted: [W]=WARN
[   62.048453][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.048604][   T12] Workqueue: netns cleanup_net
[   62.048778][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.048932][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   62.049359][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   62.049510][   T12] RAX: 00000000ffffffa6 RBX: ff110000100cc040 RCX: 1ff4000000018ed5
[   62.049735][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000100cc0fc
[   62.049916][   T12] RBP: ff1100000aa14000 R08: 1fe2200002019821 R09: ff11000001aed1d0
[   62.050094][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   62.050322][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   62.050499][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   62.050757][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.050910][   T12] CR2: 00007f48e04c92a0 CR3: 000000004994d005 CR4: 0000000000771ef0
[   62.051088][   T12] PKRU: 55555554
[   62.051177][   T12] Call Trace:
[   62.051271][   T12]  <TASK>
[   62.051334][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   62.051487][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   62.051641][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   62.051809][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   62.051931][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   62.052055][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   62.052174][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   62.052305][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   62.052425][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   62.052543][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.052710][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   62.052831][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   62.052947][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   62.053068][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.053191][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.053315][   T12]  process_one_work (kernel/workqueue.c:3314)
[   62.053441][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   62.053562][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.053732][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   62.053855][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   62.053972][   T12]  kthread (kernel/kthread.c:436)
[   62.054062][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   62.054215][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.054334][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   62.054453][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   62.054602][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   62.054768][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   62.054885][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   62.059759][ T1596] ------------[ cut here ]------------
| [   62.059903][ T1596] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1596
| [   62.060160][ T1596] Modules linked in: xfrm_user nf_tables
| [   62.060565][ T1596] Tainted: [W]=WARN
[   62.060670][ T1596] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.060835][ T1596] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.061004][ T1596] 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
[   62.061472][ T1596] RSP: 0018:ffa00000021cfa68 EFLAGS: 00010286
[   62.061640][ T1596] RAX: 00000000ffffffa6 RBX: ff110000100cc3c0 RCX: 1ff4000000439f13
[   62.061841][ T1596] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000100cc47c
[   62.062035][ T1596] RBP: ff11000012589000 R08: 1fe2200002019891 R09: ff1100000e99ae80
[   62.062235][ T1596] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   62.062430][ T1596] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012589000
[   62.062631][ T1596] FS:  00007f7d0fcae840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   62.062864][ T1596] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.063026][ T1596] CR2: 00007f7d0feafc20 CR3: 000000000a3d7003 CR4: 0000000000771ef0
[   62.063227][ T1596] PKRU: 55555554
[   62.063324][ T1596] Call Trace:
[   62.063422][ T1596]  <TASK>
[   62.063490][ T1596]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.063624][ T1596]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.063761][ T1596]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.063860][ T1596]  register_netdevice (net/core/dev.c:11488)
[   62.063992][ T1596]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.064157][ T1596]  register_netdev (net/core/dev.c:11552)
[   62.064292][ T1596]  sit_init_net (net/ipv6/sit.c:1860)
[   62.064425][ T1596]  ops_init (net/core/net_namespace.c:137)
[   62.064529][ T1596]  setup_net (net/core/net_namespace.c:446)
[   62.064627][ T1596]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.064763][ T1596]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.064893][ T1596]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.065025][ T1596]  copy_net_ns (net/core/net_namespace.c:579)
[   62.065156][ T1596]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.065297][ T1596]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.065428][ T1596]  ksys_unshare (kernel/fork.c:3243)
[   62.065563][ T1596]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.065698][ T1596]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.065829][ T1596]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.065960][ T1596]  ? __ia32_sys_open (fs/open.c:1374)
[   62.066093][ T1596]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.066229][ T1596]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.066358][ T1596]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.066486][ T1596]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.066618][ T1596]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.066754][ T1596]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.066913][ T1596] RIP: 0033:0x7f7d0ff70bcb
[   62.067048][ T1596] 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
[   62.067516][ T1596] RSP: 002b:00007ffd3ce1c8e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.067717][ T1596] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7d0ff70bcb
[   62.067910][ T1596] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.068104][ T1596] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.068301][ T1596] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd3ce1eb10
[   62.068495][ T1596] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3ce20888
| [   62.073105][ T1596] ------------[ cut here ]------------
| [   62.073248][ T1596] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1596
| [   62.073506][ T1596] Modules linked in: xfrm_user nf_tables
| [   62.074803][ T1596] Tainted: [W]=WARN
[   62.074904][ T1596] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.075068][ T1596] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.075242][ T1596] 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
[   62.075715][ T1596] RSP: 0018:ffa00000021cfa78 EFLAGS: 00010286
[   62.075881][ T1596] RAX: 00000000ffffffa6 RBX: ff11000013bb0900 RCX: 1ff4000000439f15
[   62.076076][ T1596] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013bb09bc
[   62.076275][ T1596] RBP: ff11000009034000 R08: 1fe2200002776139 R09: ff1100000e99ae80
[   62.076472][ T1596] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   62.076676][ T1596] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009034000
[   62.076871][ T1596] FS:  00007f7d0fcae840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   62.077098][ T1596] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.077267][ T1596] CR2: 00007f7d0feafc20 CR3: 000000000a3d7003 CR4: 0000000000771ef0
[   62.077461][ T1596] PKRU: 55555554
[   62.077562][ T1596] Call Trace:
[   62.077663][ T1596]  <TASK>
[   62.077731][ T1596]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.077862][ T1596]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.077994][ T1596]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.078093][ T1596]  register_netdevice (net/core/dev.c:11488)
[   62.078230][ T1596]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.078391][ T1596]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.078528][ T1596]  register_netdev (net/core/dev.c:11552)
[   62.078663][ T1596]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   62.078793][ T1596]  ops_init (net/core/net_namespace.c:137)
[   62.078893][ T1596]  setup_net (net/core/net_namespace.c:446)
[   62.078992][ T1596]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.079122][ T1596]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.079256][ T1596]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.079387][ T1596]  copy_net_ns (net/core/net_namespace.c:579)
[   62.079518][ T1596]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.079656][ T1596]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.079789][ T1596]  ksys_unshare (kernel/fork.c:3243)
[   62.079919][ T1596]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.080051][ T1596]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.080181][ T1596]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.080318][ T1596]  ? __ia32_sys_open (fs/open.c:1374)
[   62.080451][ T1596]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.080581][ T1596]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.080718][ T1596]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.080848][ T1596]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.080979][ T1596]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.081108][ T1596]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.081272][ T1596] RIP: 0033:0x7f7d0ff70bcb
[   62.081408][ T1596] 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
[   62.081879][ T1596] RSP: 002b:00007ffd3ce1c8e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.082075][ T1596] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7d0ff70bcb
[   62.082272][ T1596] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.082466][ T1596] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.082666][ T1596] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd3ce1eb10
[   62.082860][ T1596] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd3ce20888
| [   62.115241][ T1597] ------------[ cut here ]------------
| [   62.115422][ T1597] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1597
| [   62.115744][ T1597] Modules linked in: xfrm_user nf_tables
| [   62.116240][ T1597] Tainted: [W]=WARN
[   62.116385][ T1597] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.116603][ T1597] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.116830][ T1597] 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
[   62.117341][ T1597] RSP: 0018:ffa000000219f020 EFLAGS: 00010286
[   62.117561][ T1597] RAX: 00000000ffffffa6 RBX: ff11000010b84ac0 RCX: 1ff4000000433dca
[   62.117811][ T1597] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010b84b7c
[   62.118049][ T1597] RBP: ff110000094d4000 R08: 1fe2200002170971 R09: ff1100000eb2d158
[   62.118294][ T1597] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   62.118539][ T1597] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   62.118795][ T1597] FS:  00007f124243e840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   62.119065][ T1597] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.119283][ T1597] CR2: 000000003e1e9988 CR3: 000000000fc2f003 CR4: 0000000000771ef0
[   62.119527][ T1597] PKRU: 55555554
[   62.119685][ T1597] Call Trace:
[   62.119829][ T1597]  <TASK>
[   62.119943][ T1597]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.120121][ T1597]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.120279][ T1597]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   62.120455][ T1597]  __dev_notify_flags (net/core/dev.c:9787)
[   62.120642][ T1597]  ? netif_change_name (net/core/dev.c:1495)
[   62.120830][ T1597]  ? __dev_change_flags (net/core/dev.c:9752)
[   62.121011][ T1597]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   62.121193][ T1597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.121371][ T1597]  ? 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))
[   62.121555][ T1597]  netif_change_flags (net/core/dev.c:9820)
[   62.121746][ T1597]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   62.121922][ T1597]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   62.122101][ T1597]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   62.122291][ T1597]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   62.122503][ T1597]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   62.122696][ T1597]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.122873][ T1597]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   62.123048][ T1597]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.123232][ T1597]  ? __kernel_text_address (kernel/extable.c:79)
[   62.123413][ T1597]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.123599][ T1597]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.123788][ T1597]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   62.123966][ T1597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.124142][ T1597]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.124325][ T1597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.124502][ T1597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.124697][ T1597]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   62.124878][ T1597]  ? __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)
[   62.125054][ T1597]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   62.125240][ T1597]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   62.125421][ T1597]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   62.125609][ T1597]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   62.125801][ T1597]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   62.125979][ T1597]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.126154][ T1597]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.126343][ T1597]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.126520][ T1597]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   62.126709][ T1597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.126889][ T1597]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.127065][ T1597]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.127253][ T1597]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.127432][ T1597]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.127620][ T1597]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.127809][ T1597]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   62.127987][ T1597]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.128163][ T1597]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.128347][ T1597]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.128528][ T1597]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.128716][ T1597]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.128893][ T1597]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   62.129073][ T1597]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.129260][ T1597]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.129442][ T1597]  ? 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))
[   62.129625][ T1597]  ? 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))
[   62.129818][ T1597]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.129995][ T1597]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.130171][ T1597]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.130359][ T1597]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   62.130541][ T1597]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   62.130731][ T1597]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   62.130910][ T1597]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   62.131087][ T1597]  ? copy_msghdr_from_user (net/socket.c:2635)
[   62.131272][ T1597]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   62.131481][ T1597]  ? move_addr_to_kernel (net/socket.c:258)
[   62.131678][ T1597]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.131858][ T1597]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.132036][ T1597]  ___sys_sendmsg (net/socket.c:2752)
[   62.132218][ T1597]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   62.132426][ T1597]  ? copy_msghdr_from_user (net/socket.c:2603)
[   62.132622][ T1597]  __sys_sendmsg (net/socket.c:2784)
[   62.132812][ T1597]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   62.132987][ T1597]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   62.133209][ T1597]  ? 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)
[   62.133387][ T1597]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.133572][ T1597]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.133760][ T1597]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.133939][ T1597]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.134116][ T1597]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.134327][ T1597] RIP: 0033:0x7f124267808e
[   62.134513][ T1597] 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
[   62.135023][ T1597] RSP: 002b:00007ffc5c4e03e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.135271][ T1597] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f124267808e
[   62.135513][ T1597] RDX: 0000000000000000 RSI: 00007ffc5c4e0490 RDI: 0000000000000005
[   62.135765][ T1597] RBP: 00007ffc5c4e03f0 R08: 0000000000000000 R09: 0000000000000000
[   62.136003][ T1597] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d868
[   62.136248][ T1597] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5c4e0b60
| [   62.253867][ T1601] ------------[ cut here ]------------
| [   62.254054][ T1601] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1601
| [   62.254369][ T1601] Modules linked in: xfrm_user nf_tables
| [   62.255457][ T1601] Tainted: [W]=WARN
[   62.255680][ T1601] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.255952][ T1601] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.256178][ T1601] 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
[   62.256712][ T1601] RSP: 0018:ffa00000021dfa80 EFLAGS: 00010286
[   62.256922][ T1601] RAX: 00000000ffffffa6 RBX: ff1100000d093e00 RCX: 1ff400000043bf16
[   62.257162][ T1601] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d093ebc
[   62.257413][ T1601] RBP: ff11000009b51000 R08: 1fe2200001a127d9 R09: ff1100000f87ae80
[   62.257673][ T1601] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.257916][ T1601] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b51000
[   62.258158][ T1601] FS:  00007f6933a32840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   62.258447][ T1601] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.258678][ T1601] CR2: 00007f6933c39430 CR3: 0000000012a55002 CR4: 0000000000771ef0
[   62.258920][ T1601] PKRU: 55555554
[   62.259064][ T1601] Call Trace:
[   62.259217][ T1601]  <TASK>
[   62.259333][ T1601]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.259514][ T1601]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.259705][ T1601]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.259853][ T1601]  register_netdevice (net/core/dev.c:11488)
[   62.260034][ T1601]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.260251][ T1601]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   62.260431][ T1601]  register_netdev (net/core/dev.c:11552)
[   62.260616][ T1601]  loopback_net_init (drivers/net/loopback.c:218)
[   62.260804][ T1601]  ops_init (net/core/net_namespace.c:137)
[   62.260953][ T1601]  setup_net (net/core/net_namespace.c:446)
[   62.261103][ T1601]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.261288][ T1601]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.261466][ T1601]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.261667][ T1601]  copy_net_ns (net/core/net_namespace.c:579)
[   62.261848][ T1601]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.262029][ T1601]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.262217][ T1601]  ksys_unshare (kernel/fork.c:3243)
[   62.262395][ T1601]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.262580][ T1601]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.262768][ T1601]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.262946][ T1601]  ? __ia32_sys_open (fs/open.c:1374)
[   62.263125][ T1601]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.263311][ T1601]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.263490][ T1601]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.263691][ T1601]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.263868][ T1601]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.264045][ T1601]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.264263][ T1601] RIP: 0033:0x7f6933cf4bcb
[   62.264445][ T1601] 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
[   62.264974][ T1601] RSP: 002b:00007ffffa183758 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   62.265225][ T1601] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6933cf4bcb
[   62.265467][ T1601] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.265726][ T1601] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.265967][ T1601] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffffa185980
[   62.266214][ T1601] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffffa186887
| [   62.271060][ T1601] ------------[ cut here ]------------
| [   62.271240][ T1601] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1601
| [   62.271549][ T1601] Modules linked in: xfrm_user nf_tables
| [   62.272050][ T1601] Tainted: [W]=WARN
[   62.272205][ T1601] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.272414][ T1601] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.272638][ T1601] 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
[   62.273709][ T1601] RSP: 0018:ffa00000021df918 EFLAGS: 00010286
[   62.273977][ T1601] RAX: 00000000ffffffa6 RBX: ff1100000d68eac0 RCX: 1ff400000043bee9
[   62.274278][ T1601] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68eb7c
[   62.274576][ T1601] RBP: ff1100000e581000 R08: 1fe2200001ad1d71 R09: ff1100000f87ae80
[   62.274880][ T1601] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.275176][ T1601] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e581000
[   62.275487][ T1601] FS:  00007f6933a32840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   62.275832][ T1601] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.276096][ T1601] CR2: 00007f6933c39430 CR3: 0000000012a55002 CR4: 0000000000771ef0
[   62.276409][ T1601] PKRU: 55555554
[   62.276612][ T1601] Call Trace:
[   62.276821][ T1601]  <TASK>
[   62.276987][ T1601]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.277227][ T1601]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.277457][ T1601]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.277681][ T1601]  register_netdevice (net/core/dev.c:11488)
[   62.277913][ T1601]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.278180][ T1601]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   62.278420][ T1601]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   62.278670][ T1601]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   62.278900][ T1601]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   62.279133][ T1601]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   62.279375][ T1601]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   62.279597][ T1601]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   62.279788][ T1601]  ops_init (net/core/net_namespace.c:137)
[   62.279940][ T1601]  setup_net (net/core/net_namespace.c:446)
[   62.280086][ T1601]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.280269][ T1601]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.280449][ T1601]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.280638][ T1601]  copy_net_ns (net/core/net_namespace.c:579)
[   62.280829][ T1601]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.281011][ T1601]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.281200][ T1601]  ksys_unshare (kernel/fork.c:3243)
[   62.281377][ T1601]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.281564][ T1601]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.281754][ T1601]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.281932][ T1601]  ? __ia32_sys_open (fs/open.c:1374)
[   62.282111][ T1601]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.282296][ T1601]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.282476][ T1601]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.282670][ T1601]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.282848][ T1601]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.283025][ T1601]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.283241][ T1601] RIP: 0033:0x7f6933cf4bcb
[   62.283423][ T1601] 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
[   62.283953][ T1601] RSP: 002b:00007ffffa183758 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   62.284202][ T1601] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6933cf4bcb
[   62.284442][ T1601] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.284700][ T1601] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.284942][ T1601] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffffa185980
[   62.285182][ T1601] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffffa186887
| [   62.296175][ T1601] ------------[ cut here ]------------
| [   62.296357][ T1601] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1601
| [   62.296682][ T1601] Modules linked in: xfrm_user nf_tables
| [   62.297171][ T1601] Tainted: [W]=WARN
[   62.297324][ T1601] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.297542][ T1601] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.297799][ T1601] 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
[   62.298321][ T1601] RSP: 0018:ffa00000021df8f8 EFLAGS: 00010286
[   62.298532][ T1601] RAX: 00000000ffffffa6 RBX: ff1100000d0938c0 RCX: 1ff400000043bee5
[   62.298783][ T1601] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d09397c
[   62.299023][ T1601] RBP: ff1100000a9a1000 R08: 1fe2200001a12731 R09: ff1100000f87ae80
[   62.299269][ T1601] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.299513][ T1601] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a9a1000
[   62.299771][ T1601] FS:  00007f6933a32840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   62.300043][ T1601] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.300264][ T1601] CR2: 00007f6933c39430 CR3: 0000000012a55002 CR4: 0000000000771ef0
[   62.300509][ T1601] PKRU: 55555554
[   62.300671][ T1601] Call Trace:
[   62.300814][ T1601]  <TASK>
[   62.300928][ T1601]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.301106][ T1601]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.301291][ T1601]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.301437][ T1601]  register_netdevice (net/core/dev.c:11488)
[   62.301622][ T1601]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.301845][ T1601]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   62.302025][ T1601]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   62.302209][ T1601]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   62.302387][ T1601]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   62.302575][ T1601]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   62.302767][ T1601]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   62.302945][ T1601]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   62.303124][ T1601]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   62.303315][ T1601]  vti_init_net (net/ipv4/ip_vti.c:517)
[   62.303494][ T1601]  ops_init (net/core/net_namespace.c:137)
[   62.303649][ T1601]  setup_net (net/core/net_namespace.c:446)
[   62.303809][ T1601]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.303985][ T1601]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.304164][ T1601]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.304353][ T1601]  copy_net_ns (net/core/net_namespace.c:579)
[   62.304541][ T1601]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.304734][ T1601]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.304913][ T1601]  ksys_unshare (kernel/fork.c:3243)
[   62.305090][ T1601]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.305276][ T1601]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.305454][ T1601]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.305639][ T1601]  ? __ia32_sys_open (fs/open.c:1374)
[   62.305835][ T1601]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.306010][ T1601]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.306195][ T1601]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.306373][ T1601]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.306556][ T1601]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.306746][ T1601]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.306953][ T1601] RIP: 0033:0x7f6933cf4bcb
[   62.307135][ T1601] 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
[   62.307669][ T1601] RSP: 002b:00007ffffa183758 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   62.307910][ T1601] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6933cf4bcb
[   62.308148][ T1601] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.308396][ T1601] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.308643][ T1601] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffffa185980
[   62.308895][ T1601] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffffa186887
| [   62.313391][ T1601] ------------[ cut here ]------------
| [   62.313571][ T1601] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1601
| [   62.313883][ T1601] Modules linked in: xfrm_user nf_tables
| [   62.314381][ T1601] Tainted: [W]=WARN
[   62.314528][ T1601] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.314749][ T1601] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.314967][ T1601] 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
[   62.315474][ T1601] RSP: 0018:ffa00000021dfa78 EFLAGS: 00010286
[   62.315700][ T1601] RAX: 00000000ffffffa6 RBX: ff1100000d093540 RCX: 1ff400000043bf15
[   62.315939][ T1601] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0935fc
[   62.316180][ T1601] RBP: ff1100000f079000 R08: 1fe2200001a126c1 R09: ff1100000f87ae80
[   62.316428][ T1601] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.316686][ T1601] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f079000
[   62.316927][ T1601] FS:  00007f6933a32840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   62.317211][ T1601] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.317420][ T1601] CR2: 00007f6933c39430 CR3: 0000000012a55002 CR4: 0000000000771ef0
[   62.317681][ T1601] PKRU: 55555554
[   62.317824][ T1601] Call Trace:
[   62.317967][ T1601]  <TASK>
[   62.318080][ T1601]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.318268][ T1601]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.318447][ T1601]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.318600][ T1601]  register_netdevice (net/core/dev.c:11488)
[   62.318790][ T1601]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.318998][ T1601]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.319177][ T1601]  register_netdev (net/core/dev.c:11552)
[   62.319363][ T1601]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   62.319547][ T1601]  ops_init (net/core/net_namespace.c:137)
[   62.319705][ T1601]  setup_net (net/core/net_namespace.c:446)
[   62.319852][ T1601]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.320026][ T1601]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.320209][ T1601]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.320388][ T1601]  copy_net_ns (net/core/net_namespace.c:579)
[   62.320575][ T1601]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.320768][ T1601]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.320947][ T1601]  ksys_unshare (kernel/fork.c:3243)
[   62.321122][ T1601]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.321305][ T1601]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.321483][ T1601]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.321678][ T1601]  ? __ia32_sys_open (fs/open.c:1374)
[   62.321855][ T1601]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.322029][ T1601]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.322214][ T1601]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.322390][ T1601]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.322574][ T1601]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.322764][ T1601]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.322971][ T1601] RIP: 0033:0x7f6933cf4bcb
[   62.323151][ T1601] 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
[   62.323679][ T1601] RSP: 002b:00007ffffa183758 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   62.323919][ T1601] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6933cf4bcb
[   62.324156][ T1601] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.324399][ T1601] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.324646][ T1601] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffffa185980
[   62.324897][ T1601] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffffa186887
| [   62.329384][ T1601] ------------[ cut here ]------------
| [   62.329564][ T1601] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1601
| [   62.329878][ T1601] Modules linked in: xfrm_user nf_tables
| [   62.330372][ T1601] Tainted: [W]=WARN
[   62.330523][ T1601] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.330744][ T1601] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.330959][ T1601] 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
[   62.331476][ T1601] RSP: 0018:ffa00000021dfa68 EFLAGS: 00010286
[   62.331703][ T1601] RAX: 00000000ffffffa6 RBX: ff1100001243ec80 RCX: 1ff400000043bf13
[   62.331942][ T1601] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243ed3c
[   62.332179][ T1601] RBP: ff1100000ded4000 R08: 1fe2200002487da9 R09: ff1100000f87ae80
[   62.332426][ T1601] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.332687][ T1601] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ded4000
[   62.332928][ T1601] FS:  00007f6933a32840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   62.333213][ T1601] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.333423][ T1601] CR2: 00007f6933c39430 CR3: 0000000012a55002 CR4: 0000000000771ef0
[   62.333689][ T1601] PKRU: 55555554
[   62.333833][ T1601] Call Trace:
[   62.333977][ T1601]  <TASK>
[   62.334090][ T1601]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.334277][ T1601]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.334457][ T1601]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.334612][ T1601]  register_netdevice (net/core/dev.c:11488)
[   62.334803][ T1601]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.335017][ T1601]  register_netdev (net/core/dev.c:11552)
[   62.335201][ T1601]  sit_init_net (net/ipv6/sit.c:1860)
[   62.335380][ T1601]  ops_init (net/core/net_namespace.c:137)
[   62.335530][ T1601]  setup_net (net/core/net_namespace.c:446)
[   62.335688][ T1601]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.335863][ T1601]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.336039][ T1601]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.336230][ T1601]  copy_net_ns (net/core/net_namespace.c:579)
[   62.336409][ T1601]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.336594][ T1601]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.336786][ T1601]  ksys_unshare (kernel/fork.c:3243)
[   62.336961][ T1601]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.337136][ T1601]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.337322][ T1601]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.337508][ T1601]  ? __ia32_sys_open (fs/open.c:1374)
[   62.337705][ T1601]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.337881][ T1601]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.338057][ T1601]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.338242][ T1601]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.338422][ T1601]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.338610][ T1601]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.338829][ T1601] RIP: 0033:0x7f6933cf4bcb
[   62.339014][ T1601] 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
[   62.339526][ T1601] RSP: 002b:00007ffffa183758 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   62.339782][ T1601] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6933cf4bcb
[   62.340023][ T1601] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.340264][ T1601] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.340504][ T1601] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffffa185980
[   62.340761][ T1601] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffffa186887
| [   62.345809][ T1601] ------------[ cut here ]------------
| [   62.345986][ T1601] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1601
| [   62.346297][ T1601] Modules linked in: xfrm_user nf_tables
| [   62.347324][ T1601] Tainted: [W]=WARN
[   62.347535][ T1601] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.347814][ T1601] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.348083][ T1601] 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
[   62.348671][ T1601] RSP: 0018:ffa00000021dfa78 EFLAGS: 00010286
[   62.348944][ T1601] RAX: 00000000ffffffa6 RBX: ff1100000fe71380 RCX: 1ff400000043bf15
[   62.349245][ T1601] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fe7143c
[   62.349550][ T1601] RBP: ff11000008664000 R08: 1fe2200001fce289 R09: ff1100000f87ae80
[   62.349854][ T1601] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.350146][ T1601] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008664000
[   62.350452][ T1601] FS:  00007f6933a32840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   62.350800][ T1601] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.351065][ T1601] CR2: 00007f6933c39430 CR3: 0000000012a55002 CR4: 0000000000771ef0
[   62.351369][ T1601] PKRU: 55555554
[   62.351572][ T1601] Call Trace:
[   62.351780][ T1601]  <TASK>
[   62.351949][ T1601]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.352178][ T1601]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.352414][ T1601]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.352625][ T1601]  register_netdevice (net/core/dev.c:11488)
[   62.352869][ T1601]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.353129][ T1601]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.353371][ T1601]  register_netdev (net/core/dev.c:11552)
[   62.353609][ T1601]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   62.353852][ T1601]  ops_init (net/core/net_namespace.c:137)
[   62.354040][ T1601]  setup_net (net/core/net_namespace.c:446)
[   62.354195][ T1601]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.354372][ T1601]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.354558][ T1601]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.354751][ T1601]  copy_net_ns (net/core/net_namespace.c:579)
[   62.354928][ T1601]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.355108][ T1601]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.355295][ T1601]  ksys_unshare (kernel/fork.c:3243)
[   62.355475][ T1601]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.355670][ T1601]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.355847][ T1601]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.356024][ T1601]  ? __ia32_sys_open (fs/open.c:1374)
[   62.356208][ T1601]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.356385][ T1601]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.356570][ T1601]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.356763][ T1601]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.356939][ T1601]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.357117][ T1601]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.357327][ T1601] RIP: 0033:0x7f6933cf4bcb
[   62.357511][ T1601] 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
[   62.358030][ T1601] RSP: 002b:00007ffffa183758 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   62.358281][ T1601] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6933cf4bcb
[   62.358521][ T1601] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.358774][ T1601] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.359022][ T1601] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffffa185980
[   62.359264][ T1601] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffffa186887
| [   62.389771][ T1602] ------------[ cut here ]------------
| [   62.389920][ T1602] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1602
| [   62.390179][ T1602] Modules linked in: xfrm_user nf_tables
| [   62.390594][ T1602] Tainted: [W]=WARN
[   62.390699][ T1602] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.390866][ T1602] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.391034][ T1602] 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
[   62.391499][ T1602] RSP: 0018:ffa00000021df020 EFLAGS: 00010286
[   62.391668][ T1602] RAX: 00000000ffffffa6 RBX: ff110000100cd8c0 RCX: 1ff400000043bdca
[   62.391861][ T1602] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000100cd97c
[   62.392054][ T1602] RBP: ff11000009b51000 R08: 1fe2200002019b31 R09: ff1100001298ae58
[   62.392252][ T1602] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   62.392445][ T1602] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   62.392643][ T1602] FS:  00007f71c220e840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   62.392932][ T1602] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.393097][ T1602] CR2: 000000003dc07988 CR3: 0000000013bc5001 CR4: 0000000000771ef0
[   62.393298][ T1602] PKRU: 55555554
[   62.393395][ T1602] Call Trace:
[   62.393493][ T1602]  <TASK>
[   62.393564][ T1602]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.393752][ T1602]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.393906][ T1602]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   62.394035][ T1602]  __dev_notify_flags (net/core/dev.c:9787)
[   62.394165][ T1602]  ? netif_change_name (net/core/dev.c:1495)
[   62.394300][ T1602]  ? __dev_change_flags (net/core/dev.c:9752)
[   62.394432][ T1602]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   62.394565][ T1602]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.394750][ T1602]  ? 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))
[   62.394881][ T1602]  netif_change_flags (net/core/dev.c:9820)
[   62.395013][ T1602]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   62.395144][ T1602]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   62.395285][ T1602]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   62.395416][ T1602]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   62.395581][ T1602]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   62.395767][ T1602]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.395897][ T1602]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   62.396026][ T1602]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.396156][ T1602]  ? __kernel_text_address (kernel/extable.c:79)
[   62.396295][ T1602]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.396427][ T1602]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.396562][ T1602]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   62.396749][ T1602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.396879][ T1602]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.397009][ T1602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.397139][ T1602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.397274][ T1602]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   62.397407][ T1602]  ? __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)
[   62.397542][ T1602]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   62.397728][ T1602]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   62.397859][ T1602]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   62.397992][ T1602]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   62.398124][ T1602]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   62.398261][ T1602]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.398392][ T1602]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.398528][ T1602]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.398683][ T1602]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   62.398888][ T1602]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.399021][ T1602]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.399149][ T1602]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.399285][ T1602]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.399416][ T1602]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.399549][ T1602]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.399735][ T1602]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   62.399865][ T1602]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.399993][ T1602]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.400122][ T1602]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.400260][ T1602]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.400388][ T1602]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.400523][ T1602]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   62.400705][ T1602]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.400837][ T1602]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.400972][ T1602]  ? 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))
[   62.401102][ T1602]  ? 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))
[   62.401237][ T1602]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.401367][ T1602]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.401499][ T1602]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.401636][ T1602]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   62.401773][ T1602]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   62.401903][ T1602]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   62.402035][ T1602]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   62.402165][ T1602]  ? copy_msghdr_from_user (net/socket.c:2635)
[   62.402299][ T1602]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   62.402458][ T1602]  ? move_addr_to_kernel (net/socket.c:258)
[   62.402595][ T1602]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.402734][ T1602]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.402866][ T1602]  ___sys_sendmsg (net/socket.c:2752)
[   62.402995][ T1602]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   62.403156][ T1602]  ? copy_msghdr_from_user (net/socket.c:2603)
[   62.403305][ T1602]  __sys_sendmsg (net/socket.c:2784)
[   62.403436][ T1602]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   62.403570][ T1602]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   62.403752][ T1602]  ? 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)
[   62.403885][ T1602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.404015][ T1602]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.404144][ T1602]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.404279][ T1602]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.404409][ T1602]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.404573][ T1602] RIP: 0033:0x7f71c244808e
[   62.404717][ T1602] 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
[   62.405179][ T1602] RSP: 002b:00007ffe22ebe1b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.405379][ T1602] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f71c244808e
[   62.405576][ T1602] RDX: 0000000000000000 RSI: 00007ffe22ebe260 RDI: 0000000000000005
[   62.405776][ T1602] RBP: 00007ffe22ebe1c0 R08: 0000000000000000 R09: 0000000000000000
[   62.405970][ T1602] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d868
[   62.406166][ T1602] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe22ebe930
| [   62.535180][ T1606] ------------[ cut here ]------------
| [   62.535335][ T1606] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1606
| [   62.535600][ T1606] Modules linked in: xfrm_user nf_tables
| [   62.536010][ T1606] Tainted: [W]=WARN
[   62.536109][ T1606] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.536279][ T1606] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.536448][ T1606] 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
[   62.536922][ T1606] RSP: 0018:ffa00000021dfa80 EFLAGS: 00010286
[   62.537087][ T1606] RAX: 00000000ffffffa6 RBX: ff1100000d4f58c0 RCX: 1ff400000043bf16
[   62.537289][ T1606] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d4f597c
[   62.537486][ T1606] RBP: ff11000014c81000 R08: 1fe2200001a9eb31 R09: ff110000100d8b80
[   62.537690][ T1606] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   62.537883][ T1606] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014c81000
[   62.538079][ T1606] FS:  00007f753866d840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   62.538316][ T1606] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.538481][ T1606] CR2: 00007f753886ec20 CR3: 000000000e4ef001 CR4: 0000000000771ef0
[   62.538687][ T1606] PKRU: 55555554
[   62.538786][ T1606] Call Trace:
[   62.538886][ T1606]  <TASK>
[   62.538956][ T1606]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.539091][ T1606]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.539228][ T1606]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.539328][ T1606]  register_netdevice (net/core/dev.c:11488)
[   62.539462][ T1606]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.539630][ T1606]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   62.539767][ T1606]  register_netdev (net/core/dev.c:11552)
[   62.539900][ T1606]  loopback_net_init (drivers/net/loopback.c:218)
[   62.540031][ T1606]  ops_init (net/core/net_namespace.c:137)
[   62.540132][ T1606]  setup_net (net/core/net_namespace.c:446)
[   62.540235][ T1606]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.540364][ T1606]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.540496][ T1606]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.540632][ T1606]  copy_net_ns (net/core/net_namespace.c:579)
[   62.540770][ T1606]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.540905][ T1606]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.541039][ T1606]  ksys_unshare (kernel/fork.c:3243)
[   62.541170][ T1606]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.541307][ T1606]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.541437][ T1606]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.541575][ T1606]  ? __ia32_sys_open (fs/open.c:1374)
[   62.542086][ T1606]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.542224][ T1606]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.542354][ T1606]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.542485][ T1606]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.542621][ T1606]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.542761][ T1606]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.542925][ T1606] RIP: 0033:0x7f753892fbcb
[   62.543062][ T1606] 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
[   62.543534][ T1606] RSP: 002b:00007ffd47e6ee78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.543740][ T1606] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f753892fbcb
[   62.543935][ T1606] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.544131][ T1606] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.544327][ T1606] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd47e710a0
[   62.544528][ T1606] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd47e72887
| [   62.548733][ T1606] ------------[ cut here ]------------
| [   62.548871][ T1606] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1606
| [   62.549128][ T1606] Modules linked in: xfrm_user nf_tables
| [   62.549535][ T1606] Tainted: [W]=WARN
[   62.549634][ T1606] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.549803][ T1606] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.549973][ T1606] 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
[   62.550441][ T1606] RSP: 0018:ffa00000021df918 EFLAGS: 00010286
[   62.550609][ T1606] RAX: 00000000ffffffa6 RBX: ff1100000f93e580 RCX: 1ff400000043bee9
[   62.550809][ T1606] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f93e63c
[   62.551003][ T1606] RBP: ff1100000df64000 R08: 1fe2200001f27cc9 R09: ff110000100d8b80
[   62.551199][ T1606] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   62.551395][ T1606] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000df64000
[   62.551595][ T1606] FS:  00007f753866d840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   62.551825][ T1606] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.551988][ T1606] CR2: 00007f753886ec20 CR3: 000000000e4ef001 CR4: 0000000000771ef0
[   62.552190][ T1606] PKRU: 55555554
[   62.552288][ T1606] Call Trace:
[   62.552385][ T1606]  <TASK>
[   62.552453][ T1606]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.552589][ T1606]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.552725][ T1606]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.552824][ T1606]  register_netdevice (net/core/dev.c:11488)
[   62.552958][ T1606]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.553122][ T1606]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   62.553261][ T1606]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   62.553392][ T1606]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   62.553529][ T1606]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   62.553665][ T1606]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   62.553797][ T1606]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   62.553928][ T1606]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   62.554059][ T1606]  ops_init (net/core/net_namespace.c:137)
[   62.554159][ T1606]  setup_net (net/core/net_namespace.c:446)
[   62.554264][ T1606]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.554393][ T1606]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.554529][ T1606]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.554668][ T1606]  copy_net_ns (net/core/net_namespace.c:579)
[   62.554802][ T1606]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.554939][ T1606]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.555072][ T1606]  ksys_unshare (kernel/fork.c:3243)
[   62.555208][ T1606]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.555340][ T1606]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.555470][ T1606]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.555603][ T1606]  ? __ia32_sys_open (fs/open.c:1374)
[   62.555741][ T1606]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.555871][ T1606]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.556001][ T1606]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.556131][ T1606]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.556265][ T1606]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.556394][ T1606]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.556563][ T1606] RIP: 0033:0x7f753892fbcb
[   62.556704][ T1606] 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
[   62.557165][ T1606] RSP: 002b:00007ffd47e6ee78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.557366][ T1606] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f753892fbcb
[   62.557565][ T1606] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.557763][ T1606] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.557958][ T1606] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd47e710a0
[   62.558154][ T1606] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd47e72887
| [   62.561982][ T1606] ------------[ cut here ]------------
| [   62.562121][ T1606] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1606
| [   62.562389][ T1606] Modules linked in: xfrm_user nf_tables
| [   62.562798][ T1606] Tainted: [W]=WARN
[   62.562898][ T1606] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.563062][ T1606] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.563239][ T1606] 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
[   62.563746][ T1606] RSP: 0018:ffa00000021df8f8 EFLAGS: 00010286
[   62.563913][ T1606] RAX: 00000000ffffffa6 RBX: ff1100000b72d700 RCX: 1ff400000043bee5
[   62.564111][ T1606] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72d7bc
[   62.564312][ T1606] RBP: ff1100000fcb9000 R08: 1fe22000016e5af9 R09: ff110000100d8b80
[   62.564512][ T1606] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   62.564714][ T1606] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fcb9000
[   62.564915][ T1606] FS:  00007f753866d840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   62.565146][ T1606] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.565319][ T1606] CR2: 00007f753886ec20 CR3: 000000000e4ef001 CR4: 0000000000771ef0
[   62.565519][ T1606] PKRU: 55555554
[   62.565619][ T1606] Call Trace:
[   62.565724][ T1606]  <TASK>
[   62.565793][ T1606]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.565927][ T1606]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.566059][ T1606]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.566160][ T1606]  register_netdevice (net/core/dev.c:11488)
[   62.566298][ T1606]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.566462][ T1606]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   62.566599][ T1606]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   62.566735][ T1606]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   62.566867][ T1606]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   62.567002][ T1606]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   62.567137][ T1606]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   62.567276][ T1606]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   62.567408][ T1606]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   62.567546][ T1606]  vti_init_net (net/ipv4/ip_vti.c:517)
[   62.567685][ T1606]  ops_init (net/core/net_namespace.c:137)
[   62.567787][ T1606]  setup_net (net/core/net_namespace.c:446)
[   62.567888][ T1606]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.568020][ T1606]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.568168][ T1606]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.568310][ T1606]  copy_net_ns (net/core/net_namespace.c:579)
[   62.568448][ T1606]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.568584][ T1606]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.568724][ T1606]  ksys_unshare (kernel/fork.c:3243)
[   62.568857][ T1606]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.568989][ T1606]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.569121][ T1606]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.569260][ T1606]  ? __ia32_sys_open (fs/open.c:1374)
[   62.569394][ T1606]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.569530][ T1606]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.569668][ T1606]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.569801][ T1606]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.569933][ T1606]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.570066][ T1606]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.570231][ T1606] RIP: 0033:0x7f753892fbcb
[   62.570368][ T1606] 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
[   62.570847][ T1606] RSP: 002b:00007ffd47e6ee78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.571046][ T1606] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f753892fbcb
[   62.571249][ T1606] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.571446][ T1606] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.571645][ T1606] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd47e710a0
[   62.571846][ T1606] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd47e72887
| [   62.575951][ T1606] ------------[ cut here ]------------
| [   62.576089][ T1606] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1606
| [   62.576440][ T1606] Modules linked in: xfrm_user nf_tables
| [   62.576849][ T1606] Tainted: [W]=WARN
[   62.576948][ T1606] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.577203][ T1606] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.577373][ T1606] 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
[   62.577939][ T1606] RSP: 0018:ffa00000021dfa78 EFLAGS: 00010286
[   62.578104][ T1606] RAX: 00000000ffffffa6 RBX: ff1100000b72c580 RCX: 1ff400000043bf15
[   62.578393][ T1606] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72c63c
[   62.578591][ T1606] RBP: ff11000010bd1000 R08: 1fe22000016e58c9 R09: ff110000100d8b80
[   62.578790][ T1606] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   62.579073][ T1606] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010bd1000
[   62.579276][ T1606] FS:  00007f753866d840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   62.579595][ T1606] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.579762][ T1606] CR2: 00007f753886ec20 CR3: 000000000e4ef001 CR4: 0000000000771ef0
[   62.579958][ T1606] PKRU: 55555554
[   62.580057][ T1606] Call Trace:
[   62.580247][ T1606]  <TASK>
[   62.580315][ T1606]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.580447][ T1606]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.580580][ T1606]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.580687][ T1606]  register_netdevice (net/core/dev.c:11488)
[   62.580821][ T1606]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.580982][ T1606]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.581116][ T1606]  register_netdev (net/core/dev.c:11552)
[   62.581336][ T1606]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   62.581467][ T1606]  ops_init (net/core/net_namespace.c:137)
[   62.581572][ T1606]  setup_net (net/core/net_namespace.c:446)
[   62.581677][ T1606]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.581807][ T1606]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.582025][ T1606]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.582156][ T1606]  copy_net_ns (net/core/net_namespace.c:579)
[   62.582291][ T1606]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.582425][ T1606]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.582647][ T1606]  ksys_unshare (kernel/fork.c:3243)
[   62.582783][ T1606]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.582913][ T1606]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.583044][ T1606]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.583266][ T1606]  ? __ia32_sys_open (fs/open.c:1374)
[   62.583398][ T1606]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.583532][ T1606]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.583665][ T1606]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.583881][ T1606]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.584010][ T1606]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.584140][ T1606]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.584308][ T1606] RIP: 0033:0x7f753892fbcb
[   62.584537][ T1606] 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
[   62.585093][ T1606] RSP: 002b:00007ffd47e6ee78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.585295][ T1606] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f753892fbcb
[   62.585489][ T1606] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.585778][ T1606] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.585971][ T1606] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd47e710a0
[   62.586165][ T1606] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd47e72887
| [   62.590627][ T1606] ------------[ cut here ]------------
| [   62.590769][ T1606] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1606
| [   62.591112][ T1606] Modules linked in: xfrm_user nf_tables
| [   62.591516][ T1606] Tainted: [W]=WARN
[   62.591708][ T1606] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.591872][ T1606] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.592043][ T1606] 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
[   62.592607][ T1606] RSP: 0018:ffa00000021dfa68 EFLAGS: 00010286
[   62.592776][ T1606] RAX: 00000000ffffffa6 RBX: ff1100000f93f700 RCX: 1ff400000043bf13
[   62.593059][ T1606] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f93f7bc
[   62.593262][ T1606] RBP: ff11000012a0c000 R08: 1fe2200001f27ef9 R09: ff110000100d8b80
[   62.593456][ T1606] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   62.593748][ T1606] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012a0c000
[   62.593944][ T1606] FS:  00007f753866d840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   62.594266][ T1606] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.594427][ T1606] CR2: 00007f753886ec20 CR3: 000000000e4ef001 CR4: 0000000000771ef0
[   62.594627][ T1606] PKRU: 55555554
[   62.594830][ T1606] Call Trace:
[   62.594927][ T1606]  <TASK>
[   62.594994][ T1606]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.595126][ T1606]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.595263][ T1606]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.595449][ T1606]  register_netdevice (net/core/dev.c:11488)
[   62.595585][ T1606]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.595754][ T1606]  register_netdev (net/core/dev.c:11552)
[   62.595883][ T1606]  sit_init_net (net/ipv6/sit.c:1860)
[   62.596100][ T1606]  ops_init (net/core/net_namespace.c:137)
[   62.596205][ T1606]  setup_net (net/core/net_namespace.c:446)
[   62.596305][ T1606]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.596434][ T1606]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.596568][ T1606]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.596791][ T1606]  copy_net_ns (net/core/net_namespace.c:579)
[   62.596924][ T1606]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.597058][ T1606]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.597195][ T1606]  ksys_unshare (kernel/fork.c:3243)
[   62.597410][ T1606]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.597543][ T1606]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.597681][ T1606]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.597812][ T1606]  ? __ia32_sys_open (fs/open.c:1374)
[   62.598033][ T1606]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.598164][ T1606]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.598297][ T1606]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.598429][ T1606]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.598647][ T1606]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.598782][ T1606]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.598944][ T1606] RIP: 0033:0x7f753892fbcb
[   62.599169][ T1606] 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
[   62.599645][ T1606] RSP: 002b:00007ffd47e6ee78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.599846][ T1606] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f753892fbcb
[   62.600039][ T1606] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.600323][ T1606] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.600523][ T1606] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd47e710a0
[   62.600722][ T1606] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd47e72887
| [   62.605913][ T1606] ------------[ cut here ]------------
| [   62.606050][ T1606] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1606
| [   62.606310][ T1606] Modules linked in: xfrm_user nf_tables
| [   62.606714][ T1606] Tainted: [W]=WARN
[   62.606814][ T1606] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.607066][ T1606] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.607239][ T1606] 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
[   62.607801][ T1606] RSP: 0018:ffa00000021dfa78 EFLAGS: 00010286
[   62.607967][ T1606] RAX: 00000000ffffffa6 RBX: ff11000010b77c40 RCX: 1ff400000043bf15
[   62.608258][ T1606] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010b77cfc
[   62.608451][ T1606] RBP: ff11000012031000 R08: 1fe220000216efa1 R09: ff110000100d8b80
[   62.608645][ T1606] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   62.608934][ T1606] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012031000
[   62.609129][ T1606] FS:  00007f753866d840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   62.609448][ T1606] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.609613][ T1606] CR2: 00007f753886ec20 CR3: 000000000e4ef001 CR4: 0000000000771ef0
[   62.609816][ T1606] PKRU: 55555554
[   62.609913][ T1606] Call Trace:
[   62.610097][ T1606]  <TASK>
[   62.610164][ T1606]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.610303][ T1606]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.610434][ T1606]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.610538][ T1606]  register_netdevice (net/core/dev.c:11488)
[   62.610763][ T1606]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.610926][ T1606]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.611058][ T1606]  register_netdev (net/core/dev.c:11552)
[   62.611193][ T1606]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   62.611412][ T1606]  ops_init (net/core/net_namespace.c:137)
[   62.611516][ T1606]  setup_net (net/core/net_namespace.c:446)
[   62.611616][ T1606]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.611751][ T1606]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.611970][ T1606]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.612103][ T1606]  copy_net_ns (net/core/net_namespace.c:579)
[   62.612237][ T1606]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.612370][ T1606]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.612593][ T1606]  ksys_unshare (kernel/fork.c:3243)
[   62.612729][ T1606]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.612859][ T1606]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.612992][ T1606]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.613214][ T1606]  ? __ia32_sys_open (fs/open.c:1374)
[   62.613345][ T1606]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.613476][ T1606]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.613608][ T1606]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.613744][ T1606]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.613874][ T1606]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.614005][ T1606]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.614169][ T1606] RIP: 0033:0x7f753892fbcb
[   62.614402][ T1606] 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
[   62.614968][ T1606] RSP: 002b:00007ffd47e6ee78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.615166][ T1606] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f753892fbcb
[   62.615367][ T1606] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.615660][ T1606] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.615856][ T1606] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd47e710a0
[   62.616051][ T1606] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd47e72887
| [   62.650241][ T1607] ------------[ cut here ]------------
| [   62.650388][ T1607] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1607
| [   62.650657][ T1607] Modules linked in: xfrm_user nf_tables
| [   62.651057][ T1607] Tainted: [W]=WARN
[   62.651155][ T1607] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.651326][ T1607] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.651493][ T1607] 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
[   62.651960][ T1607] RSP: 0018:ffa00000021ef020 EFLAGS: 00010286
[   62.652122][ T1607] RAX: 00000000ffffffa6 RBX: ff110000027e98c0 RCX: 1ff400000043ddca
[   62.652321][ T1607] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000027e997c
[   62.652515][ T1607] RBP: ff11000014c81000 R08: 1fe22000004fd331 R09: ff1100000e600b58
[   62.652714][ T1607] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   62.652907][ T1607] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   62.653138][ T1607] FS:  00007f65aa5ed840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   62.653369][ T1607] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.653536][ T1607] CR2: 0000000016fb4988 CR3: 0000000012182006 CR4: 0000000000771ef0
[   62.653733][ T1607] PKRU: 55555554
[   62.653829][ T1607] Call Trace:
[   62.653926][ T1607]  <TASK>
[   62.653995][ T1607]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.654125][ T1607]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.654228][ T1607]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   62.654356][ T1607]  __dev_notify_flags (net/core/dev.c:9787)
[   62.654486][ T1607]  ? netif_change_name (net/core/dev.c:1495)
[   62.654620][ T1607]  ? __dev_change_flags (net/core/dev.c:9752)
[   62.654754][ T1607]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   62.654884][ T1607]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.655012][ T1607]  ? 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))
[   62.655145][ T1607]  netif_change_flags (net/core/dev.c:9820)
[   62.655282][ T1607]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   62.655412][ T1607]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   62.655548][ T1607]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   62.655684][ T1607]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   62.655846][ T1607]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   62.655974][ T1607]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.656103][ T1607]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   62.656235][ T1607]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.656364][ T1607]  ? __kernel_text_address (kernel/extable.c:79)
[   62.656496][ T1607]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.656630][ T1607]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.656764][ T1607]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   62.656894][ T1607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.657023][ T1607]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.657152][ T1607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.657287][ T1607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.657416][ T1607]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   62.657548][ T1607]  ? __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)
[   62.657682][ T1607]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   62.657812][ T1607]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   62.657943][ T1607]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   62.658075][ T1607]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   62.658212][ T1607]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   62.658344][ T1607]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.658474][ T1607]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.658607][ T1607]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.658742][ T1607]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   62.658871][ T1607]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.659005][ T1607]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.659134][ T1607]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.659266][ T1607]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.659396][ T1607]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.659531][ T1607]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.659665][ T1607]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   62.659796][ T1607]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.659924][ T1607]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.660053][ T1607]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.660188][ T1607]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.660318][ T1607]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.660448][ T1607]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   62.660580][ T1607]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.660716][ T1607]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.660851][ T1607]  ? 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))
[   62.660980][ T1607]  ? 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))
[   62.661111][ T1607]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.661248][ T1607]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.661378][ T1607]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.661513][ T1607]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   62.661644][ T1607]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   62.661781][ T1607]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   62.661912][ T1607]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   62.662043][ T1607]  ? copy_msghdr_from_user (net/socket.c:2635)
[   62.662172][ T1607]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   62.662339][ T1607]  ? move_addr_to_kernel (net/socket.c:258)
[   62.662471][ T1607]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.662605][ T1607]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.662743][ T1607]  ___sys_sendmsg (net/socket.c:2752)
[   62.662873][ T1607]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   62.663036][ T1607]  ? copy_msghdr_from_user (net/socket.c:2603)
[   62.663178][ T1607]  __sys_sendmsg (net/socket.c:2784)
[   62.663313][ T1607]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   62.663442][ T1607]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   62.663610][ T1607]  ? 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)
[   62.663746][ T1607]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.663877][ T1607]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.664006][ T1607]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.664135][ T1607]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.664270][ T1607]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.664432][ T1607] RIP: 0033:0x7f65aa82708e
[   62.664572][ T1607] 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
[   62.665041][ T1607] RSP: 002b:00007ffd7a4404d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.665244][ T1607] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f65aa82708e
[   62.665439][ T1607] RDX: 0000000000000000 RSI: 00007ffd7a440580 RDI: 0000000000000005
[   62.665637][ T1607] RBP: 00007ffd7a4404e0 R08: 0000000000000000 R09: 0000000000000000
[   62.665836][ T1607] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d868
[   62.666031][ T1607] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7a440c50
| [   62.789700][ T1611] ------------[ cut here ]------------
| [   62.789886][ T1611] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1611
| [   62.790204][ T1611] Modules linked in: xfrm_user nf_tables
| [   62.790720][ T1611] Tainted: [W]=WARN
[   62.790867][ T1611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.791076][ T1611] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.791300][ T1611] 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
[   62.791825][ T1611] RSP: 0018:ffa000000220fa80 EFLAGS: 00010286
[   62.792038][ T1611] RAX: 00000000ffffffa6 RBX: ff1100000d68f8c0 RCX: 1ff4000000441f16
[   62.792287][ T1611] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68f97c
[   62.792530][ T1611] RBP: ff11000012bbc000 R08: 1fe2200001ad1f31 R09: ff1100000f190b80
[   62.792782][ T1611] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.793021][ T1611] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012bbc000
[   62.793268][ T1611] FS:  00007f7c91eb6840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   62.793549][ T1611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.793770][ T1611] CR2: 00007f7c9222f493 CR3: 0000000009a70004 CR4: 0000000000771ef0
[   62.794012][ T1611] PKRU: 55555554
[   62.794157][ T1611] Call Trace:
[   62.794308][ T1611]  <TASK>
[   62.794424][ T1611]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.794614][ T1611]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.794805][ T1611]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.794954][ T1611]  register_netdevice (net/core/dev.c:11488)
[   62.795136][ T1611]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.795354][ T1611]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   62.795542][ T1611]  register_netdev (net/core/dev.c:11552)
[   62.795734][ T1611]  loopback_net_init (drivers/net/loopback.c:218)
[   62.795914][ T1611]  ops_init (net/core/net_namespace.c:137)
[   62.796063][ T1611]  setup_net (net/core/net_namespace.c:446)
[   62.796218][ T1611]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.796395][ T1611]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.796583][ T1611]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.796771][ T1611]  copy_net_ns (net/core/net_namespace.c:579)
[   62.796951][ T1611]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.797130][ T1611]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.797318][ T1611]  ksys_unshare (kernel/fork.c:3243)
[   62.797496][ T1611]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.797691][ T1611]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.797868][ T1611]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.798048][ T1611]  ? __ia32_sys_open (fs/open.c:1374)
[   62.798237][ T1611]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.798415][ T1611]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.798599][ T1611]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.798790][ T1611]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.798969][ T1611]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.799147][ T1611]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.799365][ T1611] RIP: 0033:0x7f7c92178bcb
[   62.799554][ T1611] 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
[   62.800071][ T1611] RSP: 002b:00007ffcf06df218 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.800321][ T1611] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7c92178bcb
[   62.800568][ T1611] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.800823][ T1611] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.801063][ T1611] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcf06e1440
[   62.801311][ T1611] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcf06e2887
| [   62.805513][ T1611] ------------[ cut here ]------------
| [   62.805813][ T1611] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1611
| [   62.806116][ T1611] Modules linked in: xfrm_user nf_tables
| [   62.806614][ T1611] Tainted: [W]=WARN
[   62.806770][ T1611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.806978][ T1611] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.807198][ T1611] 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
[   62.807717][ T1611] RSP: 0018:ffa000000220f918 EFLAGS: 00010286
[   62.807926][ T1611] RAX: 00000000ffffffa6 RBX: ff1100000ab7e040 RCX: 1ff4000000441ee9
[   62.808165][ T1611] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab7e0fc
[   62.808412][ T1611] RBP: ff1100000e44c000 R08: 1fe220000156fc21 R09: ff1100000f190b80
[   62.808670][ T1611] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.808908][ T1611] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e44c000
[   62.809148][ T1611] FS:  00007f7c91eb6840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   62.809428][ T1611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.809645][ T1611] CR2: 00007f7c9222f493 CR3: 0000000009a70004 CR4: 0000000000771ef0
[   62.809897][ T1611] PKRU: 55555554
[   62.810039][ T1611] Call Trace:
[   62.810180][ T1611]  <TASK>
[   62.810302][ T1611]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.810479][ T1611]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.810674][ T1611]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.810821][ T1611]  register_netdevice (net/core/dev.c:11488)
[   62.810998][ T1611]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.811211][ T1611]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   62.811390][ T1611]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   62.811576][ T1611]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   62.811767][ T1611]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   62.811943][ T1611]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   62.812120][ T1611]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   62.812301][ T1611]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   62.812477][ T1611]  ops_init (net/core/net_namespace.c:137)
[   62.812627][ T1611]  setup_net (net/core/net_namespace.c:446)
[   62.812785][ T1611]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.812959][ T1611]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.813138][ T1611]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.813323][ T1611]  copy_net_ns (net/core/net_namespace.c:579)
[   62.813500][ T1611]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.813694][ T1611]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.813870][ T1611]  ksys_unshare (kernel/fork.c:3243)
[   62.814044][ T1611]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.814226][ T1611]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.814405][ T1611]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.814589][ T1611]  ? __ia32_sys_open (fs/open.c:1374)
[   62.814780][ T1611]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.814954][ T1611]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.815127][ T1611]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.815310][ T1611]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.815484][ T1611]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.815677][ T1611]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.815886][ T1611] RIP: 0033:0x7f7c92178bcb
[   62.816065][ T1611] 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
[   62.816579][ T1611] RSP: 002b:00007ffcf06df218 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.816832][ T1611] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7c92178bcb
[   62.817070][ T1611] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.817317][ T1611] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.817562][ T1611] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcf06e1440
[   62.817813][ T1611] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcf06e2887
| [   62.822409][ T1611] ------------[ cut here ]------------
| [   62.822588][ T1611] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1611
| [   62.822906][ T1611] Modules linked in: xfrm_user nf_tables
| [   62.823403][ T1611] Tainted: [W]=WARN
[   62.823555][ T1611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.823776][ T1611] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.823996][ T1611] 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
[   62.824511][ T1611] RSP: 0018:ffa000000220f8f8 EFLAGS: 00010286
[   62.824735][ T1611] RAX: 00000000ffffffa6 RBX: ff1100000b72de00 RCX: 1ff4000000441ee5
[   62.824979][ T1611] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72debc
[   62.825225][ T1611] RBP: ff11000012219000 R08: 1fe22000016e5bd9 R09: ff1100000f190b80
[   62.825465][ T1611] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.825726][ T1611] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012219000
[   62.825973][ T1611] FS:  00007f7c91eb6840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   62.826256][ T1611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.826467][ T1611] CR2: 00007f7c9222f493 CR3: 0000000009a70004 CR4: 0000000000771ef0
[   62.826729][ T1611] PKRU: 55555554
[   62.826872][ T1611] Call Trace:
[   62.827016][ T1611]  <TASK>
[   62.827131][ T1611]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.827321][ T1611]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.827498][ T1611]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.827666][ T1611]  register_netdevice (net/core/dev.c:11488)
[   62.827843][ T1611]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.828051][ T1611]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   62.828237][ T1611]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   62.828416][ T1611]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   62.828606][ T1611]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   62.828797][ T1611]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   62.828976][ T1611]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   62.829156][ T1611]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   62.829340][ T1611]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   62.829525][ T1611]  vti_init_net (net/ipv4/ip_vti.c:517)
[   62.829717][ T1611]  ops_init (net/core/net_namespace.c:137)
[   62.829864][ T1611]  setup_net (net/core/net_namespace.c:446)
[   62.830013][ T1611]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.830194][ T1611]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.830374][ T1611]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.830561][ T1611]  copy_net_ns (net/core/net_namespace.c:579)
[   62.830752][ T1611]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.830933][ T1611]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.831114][ T1611]  ksys_unshare (kernel/fork.c:3243)
[   62.831301][ T1611]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.831479][ T1611]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.831674][ T1611]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.831855][ T1611]  ? __ia32_sys_open (fs/open.c:1374)
[   62.832035][ T1611]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.832219][ T1611]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.832396][ T1611]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.832584][ T1611]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.832778][ T1611]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.832957][ T1611]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.833166][ T1611] RIP: 0033:0x7f7c92178bcb
[   62.833356][ T1611] 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
[   62.833886][ T1611] RSP: 002b:00007ffcf06df218 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.834130][ T1611] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7c92178bcb
[   62.834377][ T1611] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.834626][ T1611] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.834882][ T1611] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcf06e1440
[   62.835122][ T1611] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcf06e2887
| [   62.839608][ T1611] ------------[ cut here ]------------
| [   62.839791][ T1611] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1611
| [   62.840093][ T1611] Modules linked in: xfrm_user nf_tables
| [   62.840599][ T1611] Tainted: [W]=WARN
[   62.840757][ T1611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.840964][ T1611] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.841179][ T1611] 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
[   62.841712][ T1611] RSP: 0018:ffa000000220fa78 EFLAGS: 00010286
[   62.841921][ T1611] RAX: 00000000ffffffa6 RBX: ff1100000d092040 RCX: 1ff4000000441f15
[   62.842159][ T1611] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0920fc
[   62.842404][ T1611] RBP: ff110000121e1000 R08: 1fe2200001a12421 R09: ff1100000f190b80
[   62.842648][ T1611] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   62.842905][ T1611] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000121e1000
[   62.843146][ T1611] FS:  00007f7c91eb6840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   62.843427][ T1611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.843646][ T1611] CR2: 00007f7c9222f493 CR3: 0000000009a70004 CR4: 0000000000771ef0
[   62.843902][ T1611] PKRU: 55555554
[   62.844044][ T1611] Call Trace:
[   62.844195][ T1611]  <TASK>
[   62.844309][ T1611]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.844486][ T1611]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.844682][ T1611]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.844829][ T1611]  register_netdevice (net/core/dev.c:11488)
[   62.845007][ T1611]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.845226][ T1611]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.845407][ T1611]  register_netdev (net/core/dev.c:11552)
[   62.845591][ T1611]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   62.845782][ T1611]  ops_init (net/core/net_namespace.c:137)
[   62.845929][ T1611]  setup_net (net/core/net_namespace.c:446)
[   62.846075][ T1611]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.846260][ T1611]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.846441][ T1611]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.846627][ T1611]  copy_net_ns (net/core/net_namespace.c:579)
[   62.846819][ T1611]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.846998][ T1611]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.847176][ T1611]  ksys_unshare (kernel/fork.c:3243)
[   62.847361][ T1611]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.847543][ T1611]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.847735][ T1611]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.847912][ T1611]  ? __ia32_sys_open (fs/open.c:1374)
[   62.848089][ T1611]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.848274][ T1611]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.848452][ T1611]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.848637][ T1611]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.848826][ T1611]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.849004][ T1611]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.849219][ T1611] RIP: 0033:0x7f7c92178bcb
[   62.849400][ T1611] 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
[   62.850013][ T1611] RSP: 002b:00007ffcf06df218 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.850267][ T1611] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7c92178bcb
[   62.850505][ T1611] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.850761][ T1611] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.851000][ T1611] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcf06e1440
[   62.851246][ T1611] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcf06e2887
| [   62.864470][ T1611] ------------[ cut here ]------------
| [   62.864616][ T1611] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1611
| [   62.864884][ T1611] Modules linked in: xfrm_user nf_tables
| [   62.865285][ T1611] Tainted: [W]=WARN
[   62.865382][ T1611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.865547][ T1611] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.865723][ T1611] 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
[   62.866192][ T1611] RSP: 0018:ffa000000220fa68 EFLAGS: 00010286
[   62.866357][ T1611] RAX: 00000000ffffffa6 RBX: ff11000010b76e40 RCX: 1ff4000000441f13
[   62.866554][ T1611] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010b76efc
[   62.866756][ T1611] RBP: ff1100000e521000 R08: 1fe220000216ede1 R09: ff1100000f190b80
[   62.866953][ T1611] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   62.867146][ T1611] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e521000
[   62.867347][ T1611] FS:  00007f7c91eb6840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   62.867577][ T1611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.867748][ T1611] CR2: 00007fa0f296e000 CR3: 0000000009a70006 CR4: 0000000000771ef0
[   62.867942][ T1611] PKRU: 55555554
[   62.868039][ T1611] Call Trace:
[   62.868135][ T1611]  <TASK>
[   62.868208][ T1611]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.868339][ T1611]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.868469][ T1611]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.868572][ T1611]  register_netdevice (net/core/dev.c:11488)
[   62.868711][ T1611]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.868874][ T1611]  register_netdev (net/core/dev.c:11552)
[   62.869004][ T1611]  sit_init_net (net/ipv6/sit.c:1860)
[   62.869134][ T1611]  ops_init (net/core/net_namespace.c:137)
[   62.869237][ T1611]  setup_net (net/core/net_namespace.c:446)
[   62.869334][ T1611]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.869462][ T1611]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.869595][ T1611]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.869731][ T1611]  copy_net_ns (net/core/net_namespace.c:579)
[   62.869860][ T1611]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.869992][ T1611]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.870123][ T1611]  ksys_unshare (kernel/fork.c:3243)
[   62.870257][ T1611]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.870386][ T1611]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.870517][ T1611]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.870648][ T1611]  ? __ia32_sys_open (fs/open.c:1374)
[   62.870785][ T1611]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.870915][ T1611]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.871045][ T1611]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.871174][ T1611]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.871309][ T1611]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.871438][ T1611]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.871602][ T1611] RIP: 0033:0x7f7c92178bcb
[   62.871744][ T1611] 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
[   62.872206][ T1611] RSP: 002b:00007ffcf06df218 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.872402][ T1611] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7c92178bcb
[   62.872599][ T1611] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.872797][ T1611] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.872991][ T1611] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcf06e1440
[   62.873182][ T1611] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcf06e2887
| [   62.877391][ T1611] ------------[ cut here ]------------
| [   62.877534][ T1611] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1611
| [   62.877800][ T1611] Modules linked in: xfrm_user nf_tables
| [   62.878202][ T1611] Tainted: [W]=WARN
[   62.878302][ T1611] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.878466][ T1611] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.878641][ T1611] 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
[   62.879113][ T1611] RSP: 0018:ffa000000220fa78 EFLAGS: 00010286
[   62.879284][ T1611] RAX: 00000000ffffffa6 RBX: ff1100000f93f8c0 RCX: 1ff4000000441f15
[   62.879479][ T1611] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f93f97c
[   62.879681][ T1611] RBP: ff11000012951000 R08: 1fe2200001f27f31 R09: ff1100000f190b80
[   62.879877][ T1611] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   62.880073][ T1611] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012951000
[   62.880277][ T1611] FS:  00007f7c91eb6840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   62.880512][ T1611] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.880682][ T1611] CR2: 00007fa0f296e000 CR3: 0000000009a70006 CR4: 0000000000771ef0
[   62.880880][ T1611] PKRU: 55555554
[   62.880979][ T1611] Call Trace:
[   62.881077][ T1611]  <TASK>
[   62.881145][ T1611]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.881284][ T1611]  ? notifier_call_chain (kernel/notifier.c:85)
[   62.881417][ T1611]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.881519][ T1611]  register_netdevice (net/core/dev.c:11488)
[   62.881658][ T1611]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   62.881822][ T1611]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.881955][ T1611]  register_netdev (net/core/dev.c:11552)
[   62.882086][ T1611]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   62.882224][ T1611]  ops_init (net/core/net_namespace.c:137)
[   62.882324][ T1611]  setup_net (net/core/net_namespace.c:446)
[   62.882423][ T1611]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   62.882559][ T1611]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   62.882695][ T1611]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   62.882828][ T1611]  copy_net_ns (net/core/net_namespace.c:579)
[   62.882960][ T1611]  create_new_namespaces (kernel/nsproxy.c:132)
[   62.883096][ T1611]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   62.883235][ T1611]  ksys_unshare (kernel/fork.c:3243)
[   62.883368][ T1611]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   62.883500][ T1611]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   62.883635][ T1611]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   62.883773][ T1611]  ? __ia32_sys_open (fs/open.c:1374)
[   62.883907][ T1611]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   62.884038][ T1611]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   62.884169][ T1611]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.884304][ T1611]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.884434][ T1611]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.884568][ T1611]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.884734][ T1611] RIP: 0033:0x7f7c92178bcb
[   62.884869][ T1611] 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
[   62.885341][ T1611] RSP: 002b:00007ffcf06df218 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   62.885541][ T1611] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7c92178bcb
[   62.885740][ T1611] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   62.885936][ T1611] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   62.886131][ T1611] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffcf06e1440
[   62.886329][ T1611] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcf06e2887
| [   62.915993][ T1612] ------------[ cut here ]------------
| [   62.916141][ T1612] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1612
| [   62.916406][ T1612] Modules linked in: xfrm_user nf_tables
| [   62.917314][ T1612] Tainted: [W]=WARN
[   62.917415][ T1612] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   62.917579][ T1612] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   62.917756][ T1612] 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
[   62.918224][ T1612] RSP: 0018:ffa000000221f020 EFLAGS: 00010286
[   62.918389][ T1612] RAX: 00000000ffffffa6 RBX: ff1100000b885540 RCX: 1ff4000000443dca
[   62.918586][ T1612] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8855fc
[   62.918784][ T1612] RBP: ff11000012bbc000 R08: 1fe2200001710ac1 R09: ff1100000f250b58
[   62.918978][ T1612] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   62.919173][ T1612] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   62.919376][ T1612] FS:  00007fbc8921f840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   62.919608][ T1612] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   62.919778][ T1612] CR2: 000000000e7d0988 CR3: 0000000012af5001 CR4: 0000000000771ef0
[   62.919974][ T1612] PKRU: 55555554
[   62.920070][ T1612] Call Trace:
[   62.920167][ T1612]  <TASK>
[   62.920238][ T1612]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   62.920369][ T1612]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   62.920468][ T1612]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   62.920603][ T1612]  __dev_notify_flags (net/core/dev.c:9787)
[   62.920740][ T1612]  ? netif_change_name (net/core/dev.c:1495)
[   62.920870][ T1612]  ? __dev_change_flags (net/core/dev.c:9752)
[   62.921000][ T1612]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   62.921129][ T1612]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.921265][ T1612]  ? 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))
[   62.921397][ T1612]  netif_change_flags (net/core/dev.c:9820)
[   62.921533][ T1612]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   62.921666][ T1612]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   62.921799][ T1612]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   62.921929][ T1612]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   62.922092][ T1612]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   62.922228][ T1612]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.922361][ T1612]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   62.922491][ T1612]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.922625][ T1612]  ? __kernel_text_address (kernel/extable.c:79)
[   62.922760][ T1612]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.922894][ T1612]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.923024][ T1612]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   62.923155][ T1612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.923289][ T1612]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   62.923417][ T1612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.923549][ T1612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.923684][ T1612]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   62.923813][ T1612]  ? __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)
[   62.923946][ T1612]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   62.924076][ T1612]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   62.924214][ T1612]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   62.924349][ T1612]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   62.924483][ T1612]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   62.924615][ T1612]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.924749][ T1612]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.924877][ T1612]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.925008][ T1612]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   62.925137][ T1612]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.925275][ T1612]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.925403][ T1612]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.925536][ T1612]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.925669][ T1612]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   62.925800][ T1612]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   62.925932][ T1612]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   62.926064][ T1612]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.926199][ T1612]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.926328][ T1612]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.926458][ T1612]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   62.926591][ T1612]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   62.926726][ T1612]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   62.926855][ T1612]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   62.926985][ T1612]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   62.927119][ T1612]  ? 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))
[   62.927255][ T1612]  ? 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))
[   62.927385][ T1612]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   62.927518][ T1612]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   62.927648][ T1612]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   62.927784][ T1612]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   62.927914][ T1612]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   62.928047][ T1612]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   62.928179][ T1612]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   62.928314][ T1612]  ? copy_msghdr_from_user (net/socket.c:2635)
[   62.928443][ T1612]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   62.928606][ T1612]  ? move_addr_to_kernel (net/socket.c:258)
[   62.928742][ T1612]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   62.928872][ T1612]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   62.929005][ T1612]  ___sys_sendmsg (net/socket.c:2752)
[   62.929132][ T1612]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   62.929297][ T1612]  ? copy_msghdr_from_user (net/socket.c:2603)
[   62.929439][ T1612]  __sys_sendmsg (net/socket.c:2784)
[   62.929572][ T1612]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   62.929706][ T1612]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   62.929871][ T1612]  ? 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)
[   62.930002][ T1612]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   62.930132][ T1612]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   62.930263][ T1612]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   62.930393][ T1612]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   62.930527][ T1612]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   62.930692][ T1612] RIP: 0033:0x7fbc8945908e
[   62.930828][ T1612] 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
[   62.931291][ T1612] RSP: 002b:00007ffc4910ab60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   62.931487][ T1612] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbc8945908e
[   62.931689][ T1612] RDX: 0000000000000000 RSI: 00007ffc4910ac10 RDI: 0000000000000005
[   62.931882][ T1612] RBP: 00007ffc4910ab70 R08: 0000000000000000 R09: 0000000000000000
[   62.932074][ T1612] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d869
[   62.932272][ T1612] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4910b2e0
| [   63.042596][ T1616] ------------[ cut here ]------------
| [   63.042757][ T1616] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1616
| [   63.043017][ T1616] Modules linked in: xfrm_user nf_tables
| [   63.043424][ T1616] Tainted: [W]=WARN
[   63.043527][ T1616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.043695][ T1616] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.043865][ T1616] 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
[   63.044335][ T1616] RSP: 0018:ffa000000224fa80 EFLAGS: 00010286
[   63.044499][ T1616] RAX: 00000000ffffffa6 RBX: ff1100000a118900 RCX: 1ff4000000449f16
[   63.044699][ T1616] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1189bc
[   63.044891][ T1616] RBP: ff11000012b64000 R08: 1fe2200001423139 R09: ff11000014c9d180
[   63.045087][ T1616] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   63.045293][ T1616] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012b64000
[   63.045492][ T1616] FS:  00007f96bb23d840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   63.045730][ T1616] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.045894][ T1616] CR2: 000055d3d5b6bd5c CR3: 000000000e507002 CR4: 0000000000771ef0
[   63.046090][ T1616] PKRU: 55555554
[   63.046192][ T1616] Call Trace:
[   63.046290][ T1616]  <TASK>
[   63.046359][ T1616]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.046492][ T1616]  ? notifier_call_chain (kernel/notifier.c:85)
[   63.046626][ T1616]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.046730][ T1616]  register_netdevice (net/core/dev.c:11488)
[   63.046864][ T1616]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   63.047026][ T1616]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   63.047158][ T1616]  register_netdev (net/core/dev.c:11552)
[   63.047295][ T1616]  loopback_net_init (drivers/net/loopback.c:218)
[   63.047427][ T1616]  ops_init (net/core/net_namespace.c:137)
[   63.047533][ T1616]  setup_net (net/core/net_namespace.c:446)
[   63.047633][ T1616]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   63.047770][ T1616]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   63.047900][ T1616]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   63.048033][ T1616]  copy_net_ns (net/core/net_namespace.c:579)
[   63.048165][ T1616]  create_new_namespaces (kernel/nsproxy.c:132)
[   63.048303][ T1616]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   63.048434][ T1616]  ksys_unshare (kernel/fork.c:3243)
[   63.048568][ T1616]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   63.048705][ T1616]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   63.048835][ T1616]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   63.048967][ T1616]  ? __ia32_sys_open (fs/open.c:1374)
[   63.049100][ T1616]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   63.049235][ T1616]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   63.049364][ T1616]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.049494][ T1616]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.049628][ T1616]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.049761][ T1616]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.049922][ T1616] RIP: 0033:0x7f96bb4ffbcb
[   63.050057][ T1616] 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
[   63.050532][ T1616] RSP: 002b:00007fff7fb128a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   63.050730][ T1616] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f96bb4ffbcb
[   63.050925][ T1616] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   63.051118][ T1616] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   63.051317][ T1616] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff7fb14ad0
[   63.051513][ T1616] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff7fb16887
| [   63.060778][ T1616] ------------[ cut here ]------------
| [   63.060915][ T1616] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1616
| [   63.061173][ T1616] Modules linked in: xfrm_user nf_tables
| [   63.061577][ T1616] Tainted: [W]=WARN
[   63.062193][ T1616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.062357][ T1616] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.062530][ T1616] 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
[   63.063044][ T1616] RSP: 0018:ffa000000224f918 EFLAGS: 00010286
[   63.063212][ T1616] RAX: 00000000ffffffa6 RBX: ff1100000badc580 RCX: 1ff4000000449ee9
[   63.063405][ T1616] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000badc63c
[   63.063601][ T1616] RBP: ff1100000aadc000 R08: 1fe220000175b8c9 R09: ff11000014c9d180
[   63.063846][ T1616] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   63.064037][ T1616] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000aadc000
[   63.064234][ T1616] FS:  00007f96bb23d840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   63.064459][ T1616] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.064623][ T1616] CR2: 000055d3d5b6bd5c CR3: 000000000e507002 CR4: 0000000000771ef0
[   63.064871][ T1616] PKRU: 55555554
[   63.064968][ T1616] Call Trace:
[   63.065063][ T1616]  <TASK>
[   63.065130][ T1616]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.065265][ T1616]  ? notifier_call_chain (kernel/notifier.c:85)
[   63.065396][ T1616]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.065495][ T1616]  register_netdevice (net/core/dev.c:11488)
[   63.065629][ T1616]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   63.065843][ T1616]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   63.065975][ T1616]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   63.066104][ T1616]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   63.066236][ T1616]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   63.066370][ T1616]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   63.066503][ T1616]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   63.066635][ T1616]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   63.066820][ T1616]  ops_init (net/core/net_namespace.c:137)
[   63.066919][ T1616]  setup_net (net/core/net_namespace.c:446)
[   63.067018][ T1616]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   63.067146][ T1616]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   63.067283][ T1616]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   63.067414][ T1616]  copy_net_ns (net/core/net_namespace.c:579)
[   63.067549][ T1616]  create_new_namespaces (kernel/nsproxy.c:132)
[   63.067737][ T1616]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   63.067867][ T1616]  ksys_unshare (kernel/fork.c:3243)
[   63.067998][ T1616]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   63.068128][ T1616]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   63.068266][ T1616]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   63.068399][ T1616]  ? __ia32_sys_open (fs/open.c:1374)
[   63.068535][ T1616]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   63.068719][ T1616]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   63.068850][ T1616]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.068978][ T1616]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.069107][ T1616]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.069242][ T1616]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.069405][ T1616] RIP: 0033:0x7f96bb4ffbcb
[   63.069542][ T1616] 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
[   63.070060][ T1616] RSP: 002b:00007fff7fb128a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   63.070261][ T1616] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f96bb4ffbcb
[   63.070456][ T1616] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   63.070708][ T1616] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   63.070901][ T1616] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff7fb14ad0
[   63.071093][ T1616] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff7fb16887
| [   63.082262][ T1616] ------------[ cut here ]------------
| [   63.082410][ T1616] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1616
| [   63.082687][ T1616] Modules linked in: xfrm_user nf_tables
| [   63.083097][ T1616] Tainted: [W]=WARN
[   63.083202][ T1616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.083368][ T1616] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.083542][ T1616] 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
[   63.084017][ T1616] RSP: 0018:ffa000000224f8f8 EFLAGS: 00010286
[   63.084184][ T1616] RAX: 00000000ffffffa6 RBX: ff11000001eef000 RCX: 1ff4000000449ee5
[   63.084386][ T1616] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001eef0bc
[   63.084584][ T1616] RBP: ff11000009a7c000 R08: 1fe22000003dde19 R09: ff11000014c9d180
[   63.084789][ T1616] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   63.084987][ T1616] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009a7c000
[   63.085184][ T1616] FS:  00007f96bb23d840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   63.085418][ T1616] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.085588][ T1616] CR2: 00007f96bb43ec20 CR3: 000000000e507002 CR4: 0000000000771ef0
[   63.085792][ T1616] PKRU: 55555554
[   63.085894][ T1616] Call Trace:
[   63.085991][ T1616]  <TASK>
[   63.086060][ T1616]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.086198][ T1616]  ? notifier_call_chain (kernel/notifier.c:85)
[   63.086332][ T1616]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.086433][ T1616]  register_netdevice (net/core/dev.c:11488)
[   63.086569][ T1616]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   63.086740][ T1616]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   63.086874][ T1616]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   63.087007][ T1616]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   63.087139][ T1616]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   63.087277][ T1616]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   63.087410][ T1616]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   63.087547][ T1616]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   63.087685][ T1616]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   63.087820][ T1616]  vti_init_net (net/ipv4/ip_vti.c:517)
[   63.087952][ T1616]  ops_init (net/core/net_namespace.c:137)
[   63.088053][ T1616]  setup_net (net/core/net_namespace.c:446)
[   63.088152][ T1616]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   63.088289][ T1616]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   63.088422][ T1616]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   63.088562][ T1616]  copy_net_ns (net/core/net_namespace.c:579)
[   63.088700][ T1616]  create_new_namespaces (kernel/nsproxy.c:132)
[   63.088836][ T1616]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   63.088969][ T1616]  ksys_unshare (kernel/fork.c:3243)
[   63.089102][ T1616]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   63.089237][ T1616]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   63.089368][ T1616]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   63.089501][ T1616]  ? __ia32_sys_open (fs/open.c:1374)
[   63.089637][ T1616]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   63.089775][ T1616]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   63.089908][ T1616]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.090039][ T1616]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.090171][ T1616]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.090308][ T1616]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.090469][ T1616] RIP: 0033:0x7f96bb4ffbcb
[   63.090610][ T1616] 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
[   63.091083][ T1616] RSP: 002b:00007fff7fb128a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   63.091289][ T1616] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f96bb4ffbcb
[   63.091484][ T1616] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   63.091690][ T1616] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   63.091887][ T1616] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff7fb14ad0
[   63.092084][ T1616] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff7fb16887
| [   63.096488][ T1616] ------------[ cut here ]------------
| [   63.096629][ T1616] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1616
| [   63.096892][ T1616] Modules linked in: xfrm_user nf_tables
| [   63.097298][ T1616] Tainted: [W]=WARN
[   63.097397][ T1616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.097564][ T1616] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.097737][ T1616] 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
[   63.098205][ T1616] RSP: 0018:ffa000000224fa78 EFLAGS: 00010286
[   63.098369][ T1616] RAX: 00000000ffffffa6 RBX: ff11000001eee200 RCX: 1ff4000000449f15
[   63.098565][ T1616] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001eee2bc
[   63.098763][ T1616] RBP: ff11000009939000 R08: 1fe22000003ddc59 R09: ff11000014c9d180
[   63.098956][ T1616] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   63.099149][ T1616] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009939000
[   63.099351][ T1616] FS:  00007f96bb23d840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   63.099582][ T1616] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.099752][ T1616] CR2: 00007f96bb43ec20 CR3: 000000000e507002 CR4: 0000000000771ef0
[   63.099948][ T1616] PKRU: 55555554
[   63.100044][ T1616] Call Trace:
[   63.100140][ T1616]  <TASK>
[   63.100213][ T1616]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.100343][ T1616]  ? notifier_call_chain (kernel/notifier.c:85)
[   63.100473][ T1616]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.100576][ T1616]  register_netdevice (net/core/dev.c:11488)
[   63.100714][ T1616]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   63.100874][ T1616]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.101007][ T1616]  register_netdev (net/core/dev.c:11552)
[   63.101136][ T1616]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   63.101273][ T1616]  ops_init (net/core/net_namespace.c:137)
[   63.101371][ T1616]  setup_net (net/core/net_namespace.c:446)
[   63.101471][ T1616]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   63.101606][ T1616]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   63.101742][ T1616]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   63.101874][ T1616]  copy_net_ns (net/core/net_namespace.c:579)
[   63.102006][ T1616]  create_new_namespaces (kernel/nsproxy.c:132)
[   63.102139][ T1616]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   63.102276][ T1616]  ksys_unshare (kernel/fork.c:3243)
[   63.102406][ T1616]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   63.102539][ T1616]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   63.102674][ T1616]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   63.102804][ T1616]  ? __ia32_sys_open (fs/open.c:1374)
[   63.102936][ T1616]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   63.103065][ T1616]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   63.103198][ T1616]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.103328][ T1616]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.103457][ T1616]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.103591][ T1616]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.103756][ T1616] RIP: 0033:0x7f96bb4ffbcb
[   63.103891][ T1616] 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
[   63.104359][ T1616] RSP: 002b:00007fff7fb128a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   63.104559][ T1616] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f96bb4ffbcb
[   63.104762][ T1616] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   63.104955][ T1616] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   63.105148][ T1616] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff7fb14ad0
[   63.105346][ T1616] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff7fb16887
| [   63.109393][ T1616] ------------[ cut here ]------------
| [   63.109533][ T1616] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1616
| [   63.109798][ T1616] Modules linked in: xfrm_user nf_tables
| [   63.110197][ T1616] Tainted: [W]=WARN
[   63.110298][ T1616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.110461][ T1616] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.110632][ T1616] 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
[   63.111099][ T1616] RSP: 0018:ffa000000224fa68 EFLAGS: 00010286
[   63.111269][ T1616] RAX: 00000000ffffffa6 RBX: ff1100000b7cf540 RCX: 1ff4000000449f13
[   63.111463][ T1616] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7cf5fc
[   63.111665][ T1616] RBP: ff1100001278c000 R08: 1fe22000016f9ec1 R09: ff11000014c9d180
[   63.111860][ T1616] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   63.112054][ T1616] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001278c000
[   63.112254][ T1616] FS:  00007f96bb23d840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   63.112481][ T1616] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.112644][ T1616] CR2: 00007f96bb43ec20 CR3: 000000000e507002 CR4: 0000000000771ef0
[   63.112845][ T1616] PKRU: 55555554
[   63.112943][ T1616] Call Trace:
[   63.113040][ T1616]  <TASK>
[   63.113106][ T1616]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.113242][ T1616]  ? notifier_call_chain (kernel/notifier.c:85)
[   63.113372][ T1616]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.113472][ T1616]  register_netdevice (net/core/dev.c:11488)
[   63.113608][ T1616]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   63.113779][ T1616]  register_netdev (net/core/dev.c:11552)
[   63.113910][ T1616]  sit_init_net (net/ipv6/sit.c:1860)
[   63.114041][ T1616]  ops_init (net/core/net_namespace.c:137)
[   63.114141][ T1616]  setup_net (net/core/net_namespace.c:446)
[   63.114245][ T1616]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   63.114375][ T1616]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   63.114507][ T1616]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   63.114639][ T1616]  copy_net_ns (net/core/net_namespace.c:579)
[   63.114779][ T1616]  create_new_namespaces (kernel/nsproxy.c:132)
[   63.114912][ T1616]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   63.115043][ T1616]  ksys_unshare (kernel/fork.c:3243)
[   63.115171][ T1616]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   63.115307][ T1616]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   63.115435][ T1616]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   63.115569][ T1616]  ? __ia32_sys_open (fs/open.c:1374)
[   63.115707][ T1616]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   63.115836][ T1616]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   63.115965][ T1616]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.116095][ T1616]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.116230][ T1616]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.116362][ T1616]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.116527][ T1616] RIP: 0033:0x7f96bb4ffbcb
[   63.116666][ T1616] 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
[   63.117128][ T1616] RSP: 002b:00007fff7fb128a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   63.117329][ T1616] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f96bb4ffbcb
[   63.117526][ T1616] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   63.117727][ T1616] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   63.117919][ T1616] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff7fb14ad0
[   63.118111][ T1616] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff7fb16887
| [   63.122597][ T1616] ------------[ cut here ]------------
| [   63.123235][ T1616] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1616
| [   63.123497][ T1616] Modules linked in: xfrm_user nf_tables
| [   63.123960][ T1616] Tainted: [W]=WARN
[   63.124059][ T1616] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.124228][ T1616] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.124397][ T1616] 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
[   63.124926][ T1616] RSP: 0018:ffa000000224fa78 EFLAGS: 00010286
[   63.125091][ T1616] RAX: 00000000ffffffa6 RBX: ff110000101b6740 RCX: 1ff4000000449f15
[   63.125290][ T1616] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b67fc
[   63.125486][ T1616] RBP: ff11000014c21000 R08: 1fe2200002036d01 R09: ff11000014c9d180
[   63.125741][ T1616] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   63.125936][ T1616] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014c21000
[   63.126131][ T1616] FS:  00007f96bb23d840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   63.126362][ T1616] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.126531][ T1616] CR2: 00007f96bb43ec20 CR3: 000000000e507002 CR4: 0000000000771ef0
[   63.126783][ T1616] PKRU: 55555554
[   63.126881][ T1616] Call Trace:
[   63.126978][ T1616]  <TASK>
[   63.127046][ T1616]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.127177][ T1616]  ? notifier_call_chain (kernel/notifier.c:85)
[   63.127314][ T1616]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.127415][ T1616]  register_netdevice (net/core/dev.c:11488)
[   63.127550][ T1616]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   63.127767][ T1616]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.127901][ T1616]  register_netdev (net/core/dev.c:11552)
[   63.128033][ T1616]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   63.128165][ T1616]  ops_init (net/core/net_namespace.c:137)
[   63.128270][ T1616]  setup_net (net/core/net_namespace.c:446)
[   63.128370][ T1616]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   63.128503][ T1616]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   63.128636][ T1616]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   63.128826][ T1616]  copy_net_ns (net/core/net_namespace.c:579)
[   63.128960][ T1616]  create_new_namespaces (kernel/nsproxy.c:132)
[   63.129094][ T1616]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   63.129232][ T1616]  ksys_unshare (kernel/fork.c:3243)
[   63.129365][ T1616]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   63.129496][ T1616]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   63.129631][ T1616]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   63.129816][ T1616]  ? __ia32_sys_open (fs/open.c:1374)
[   63.129951][ T1616]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   63.130081][ T1616]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   63.130216][ T1616]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.130346][ T1616]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.130477][ T1616]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.130611][ T1616]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.130830][ T1616] RIP: 0033:0x7f96bb4ffbcb
[   63.130967][ T1616] 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
[   63.131433][ T1616] RSP: 002b:00007fff7fb128a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   63.131632][ T1616] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f96bb4ffbcb
[   63.131882][ T1616] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   63.132077][ T1616] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   63.132278][ T1616] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff7fb14ad0
[   63.132473][ T1616] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff7fb16887
| [   63.159564][ T1617] ------------[ cut here ]------------
| [   63.159785][ T1617] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1617
| [   63.160039][ T1617] Modules linked in: xfrm_user nf_tables
| [   63.160440][ T1617] Tainted: [W]=WARN
[   63.160541][ T1617] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.160708][ T1617] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.160881][ T1617] 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
[   63.161339][ T1617] RSP: 0018:ffa000000225f020 EFLAGS: 00010286
[   63.161499][ T1617] RAX: 00000000ffffffa6 RBX: ff1100000532a3c0 RCX: 1ff400000044bdca
[   63.161697][ T1617] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000532a47c
[   63.161887][ T1617] RBP: ff11000012b64000 R08: 1fe2200000a65491 R09: ff1100000ebb8b58
[   63.162076][ T1617] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   63.162275][ T1617] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   63.162468][ T1617] FS:  00007fdf8fb65840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   63.162705][ T1617] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.162868][ T1617] CR2: 000000000a418988 CR3: 000000000e95e003 CR4: 0000000000771ef0
[   63.163062][ T1617] PKRU: 55555554
[   63.163159][ T1617] Call Trace:
[   63.163262][ T1617]  <TASK>
[   63.163329][ T1617]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.163461][ T1617]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.163564][ T1617]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   63.163696][ T1617]  __dev_notify_flags (net/core/dev.c:9787)
[   63.163826][ T1617]  ? netif_change_name (net/core/dev.c:1495)
[   63.163955][ T1617]  ? __dev_change_flags (net/core/dev.c:9752)
[   63.164085][ T1617]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   63.164216][ T1617]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.164346][ T1617]  ? 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))
[   63.164476][ T1617]  netif_change_flags (net/core/dev.c:9820)
[   63.164609][ T1617]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   63.164746][ T1617]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   63.164883][ T1617]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   63.165013][ T1617]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   63.165175][ T1617]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.165312][ T1617]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.165442][ T1617]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   63.165574][ T1617]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.165711][ T1617]  ? __kernel_text_address (kernel/extable.c:79)
[   63.165841][ T1617]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.165970][ T1617]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.166098][ T1617]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.166233][ T1617]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.166362][ T1617]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   63.166491][ T1617]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.166623][ T1617]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.166756][ T1617]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   63.166887][ T1617]  ? __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)
[   63.167014][ T1617]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   63.167143][ T1617]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.167281][ T1617]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   63.167412][ T1617]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   63.167546][ T1617]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.167682][ T1617]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.167810][ T1617]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.167940][ T1617]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.168068][ T1617]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   63.168200][ T1617]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.168331][ T1617]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.168457][ T1617]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.168588][ T1617]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.168721][ T1617]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.168851][ T1617]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.168981][ T1617]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.169109][ T1617]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.169244][ T1617]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.169372][ T1617]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.169504][ T1617]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.169632][ T1617]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.169767][ T1617]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.169896][ T1617]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.170025][ T1617]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.170157][ T1617]  ? 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))
[   63.170292][ T1617]  ? 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))
[   63.170422][ T1617]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.170555][ T1617]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.170690][ T1617]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.170819][ T1617]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   63.170948][ T1617]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   63.171077][ T1617]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   63.171212][ T1617]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   63.171340][ T1617]  ? copy_msghdr_from_user (net/socket.c:2635)
[   63.171468][ T1617]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   63.171630][ T1617]  ? move_addr_to_kernel (net/socket.c:258)
[   63.171763][ T1617]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.171891][ T1617]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.172021][ T1617]  ___sys_sendmsg (net/socket.c:2752)
[   63.172149][ T1617]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   63.172315][ T1617]  ? copy_msghdr_from_user (net/socket.c:2603)
[   63.172456][ T1617]  __sys_sendmsg (net/socket.c:2784)
[   63.172590][ T1617]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   63.172728][ T1617]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   63.172890][ T1617]  ? 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)
[   63.173018][ T1617]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.173148][ T1617]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.173281][ T1617]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.173408][ T1617]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.173540][ T1617]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.173705][ T1617] RIP: 0033:0x7fdf8fd9f08e
[   63.173839][ T1617] 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
[   63.174300][ T1617] RSP: 002b:00007ffdf191d980 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.174494][ T1617] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fdf8fd9f08e
[   63.174694][ T1617] RDX: 0000000000000000 RSI: 00007ffdf191da30 RDI: 0000000000000005
[   63.174886][ T1617] RBP: 00007ffdf191d990 R08: 0000000000000000 R09: 0000000000000000
[   63.175076][ T1617] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d869
[   63.175274][ T1617] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf191e100
| [   63.296212][ T1621] ------------[ cut here ]------------
| [   63.296399][ T1621] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1621
| [   63.296726][ T1621] Modules linked in: xfrm_user nf_tables
| [   63.297228][ T1621] Tainted: [W]=WARN
[   63.297375][ T1621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.297593][ T1621] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.297915][ T1621] 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
[   63.298492][ T1621] RSP: 0018:ffa00000021afa80 EFLAGS: 00010286
[   63.298803][ T1621] RAX: 00000000ffffffa6 RBX: ff1100000ab7ee40 RCX: 1ff4000000435f16
[   63.299098][ T1621] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab7eefc
[   63.299389][ T1621] RBP: ff1100000fcbc000 R08: 1fe220000156fde1 R09: ff1100000fb3ae80
[   63.299637][ T1621] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   63.299901][ T1621] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fcbc000
[   63.300147][ T1621] FS:  00007f7e4b3a9840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   63.300432][ T1621] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.300663][ T1621] CR2: 00007f7e4b5aac20 CR3: 0000000014c0f005 CR4: 0000000000771ef0
[   63.300907][ T1621] PKRU: 55555554
[   63.301051][ T1621] Call Trace:
[   63.301201][ T1621]  <TASK>
[   63.301316][ T1621]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.301495][ T1621]  ? notifier_call_chain (kernel/notifier.c:85)
[   63.301694][ T1621]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.301842][ T1621]  register_netdevice (net/core/dev.c:11488)
[   63.302020][ T1621]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   63.302236][ T1621]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   63.302416][ T1621]  register_netdev (net/core/dev.c:11552)
[   63.302602][ T1621]  loopback_net_init (drivers/net/loopback.c:218)
[   63.302795][ T1621]  ops_init (net/core/net_namespace.c:137)
[   63.302943][ T1621]  setup_net (net/core/net_namespace.c:446)
[   63.303091][ T1621]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   63.303277][ T1621]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   63.303458][ T1621]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   63.303648][ T1621]  copy_net_ns (net/core/net_namespace.c:579)
[   63.303842][ T1621]  create_new_namespaces (kernel/nsproxy.c:132)
[   63.304024][ T1621]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   63.304209][ T1621]  ksys_unshare (kernel/fork.c:3243)
[   63.304388][ T1621]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   63.304577][ T1621]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   63.304768][ T1621]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   63.304947][ T1621]  ? __ia32_sys_open (fs/open.c:1374)
[   63.305129][ T1621]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   63.305315][ T1621]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   63.305494][ T1621]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.305691][ T1621]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.305869][ T1621]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.306046][ T1621]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.306265][ T1621] RIP: 0033:0x7f7e4b66bbcb
[   63.306447][ T1621] 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
[   63.306979][ T1621] RSP: 002b:00007ffcda5ca168 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   63.307230][ T1621] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7e4b66bbcb
[   63.307472][ T1621] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   63.307731][ T1621] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   63.307974][ T1621] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcda5cc390
[   63.308224][ T1621] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcda5cc888
| [   63.319684][ T1621] ------------[ cut here ]------------
| [   63.319865][ T1621] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1621
| [   63.320169][ T1621] Modules linked in: xfrm_user nf_tables
| [   63.320689][ T1621] Tainted: [W]=WARN
[   63.320835][ T1621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.321047][ T1621] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.321269][ T1621] 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
[   63.321792][ T1621] RSP: 0018:ffa00000021af918 EFLAGS: 00010286
[   63.322002][ T1621] RAX: 00000000ffffffa6 RBX: ff1100000c540ac0 RCX: 1ff4000000435ee9
[   63.322251][ T1621] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c540b7c
[   63.322492][ T1621] RBP: ff110000138fc000 R08: 1fe22000018a8171 R09: ff1100000fb3ae80
[   63.322751][ T1621] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   63.322991][ T1621] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000138fc000
[   63.323237][ T1621] FS:  00007f7e4b3a9840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   63.323512][ T1621] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.323738][ T1621] CR2: 00007f7e4b5aac20 CR3: 0000000014c0f005 CR4: 0000000000771ef0
[   63.323981][ T1621] PKRU: 55555554
[   63.324124][ T1621] Call Trace:
[   63.324277][ T1621]  <TASK>
[   63.324393][ T1621]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.324582][ T1621]  ? notifier_call_chain (kernel/notifier.c:85)
[   63.324769][ T1621]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.324917][ T1621]  register_netdevice (net/core/dev.c:11488)
[   63.325097][ T1621]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   63.325315][ T1621]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   63.325494][ T1621]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   63.325692][ T1621]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   63.325870][ T1621]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   63.326049][ T1621]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   63.326236][ T1621]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   63.326420][ T1621]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   63.326608][ T1621]  ops_init (net/core/net_namespace.c:137)
[   63.326769][ T1621]  setup_net (net/core/net_namespace.c:446)
[   63.326916][ T1621]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   63.327092][ T1621]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   63.327279][ T1621]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   63.327463][ T1621]  copy_net_ns (net/core/net_namespace.c:579)
[   63.327666][ T1621]  create_new_namespaces (kernel/nsproxy.c:132)
[   63.327845][ T1621]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   63.328023][ T1621]  ksys_unshare (kernel/fork.c:3243)
[   63.328208][ T1621]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   63.328385][ T1621]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   63.328570][ T1621]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   63.328762][ T1621]  ? __ia32_sys_open (fs/open.c:1374)
[   63.328945][ T1621]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   63.329121][ T1621]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   63.329309][ T1621]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.329488][ T1621]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.329685][ T1621]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.329863][ T1621]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.330071][ T1621] RIP: 0033:0x7f7e4b66bbcb
[   63.330261][ T1621] 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
[   63.330788][ T1621] RSP: 002b:00007ffcda5ca168 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   63.331030][ T1621] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7e4b66bbcb
[   63.331277][ T1621] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   63.331520][ T1621] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   63.331773][ T1621] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcda5cc390
[   63.332013][ T1621] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcda5cc888
| [   63.336277][ T1621] ------------[ cut here ]------------
| [   63.336455][ T1621] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1621
| [   63.336781][ T1621] Modules linked in: xfrm_user nf_tables
| [   63.337289][ T1621] Tainted: [W]=WARN
[   63.337435][ T1621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.337665][ T1621] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.337885][ T1621] 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
[   63.338409][ T1621] RSP: 0018:ffa00000021af8f8 EFLAGS: 00010286
[   63.338630][ T1621] RAX: 00000000ffffffa6 RBX: ff1100000c541a80 RCX: 1ff4000000435ee5
[   63.338885][ T1621] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c541b3c
[   63.339129][ T1621] RBP: ff1100000e849000 R08: 1fe22000018a8369 R09: ff1100000fb3ae80
[   63.339384][ T1621] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   63.339634][ T1621] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e849000
[   63.339891][ T1621] FS:  00007f7e4b3a9840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   63.340171][ T1621] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.340394][ T1621] CR2: 00007f7e4b5aac20 CR3: 0000000014c0f005 CR4: 0000000000771ef0
[   63.340647][ T1621] PKRU: 55555554
[   63.340810][ T1621] Call Trace:
[   63.340955][ T1621]  <TASK>
[   63.341070][ T1621]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.341259][ T1621]  ? notifier_call_chain (kernel/notifier.c:85)
[   63.341440][ T1621]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.341598][ T1621]  register_netdevice (net/core/dev.c:11488)
[   63.341794][ T1621]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   63.342006][ T1621]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   63.342194][ T1621]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   63.342376][ T1621]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   63.342563][ T1621]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   63.342757][ T1621]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   63.342940][ T1621]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   63.343121][ T1621]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   63.343310][ T1621]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   63.343495][ T1621]  vti_init_net (net/ipv4/ip_vti.c:517)
[   63.343695][ T1621]  ops_init (net/core/net_namespace.c:137)
[   63.343845][ T1621]  setup_net (net/core/net_namespace.c:446)
[   63.343993][ T1621]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   63.344170][ T1621]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   63.344363][ T1621]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   63.344552][ T1621]  copy_net_ns (net/core/net_namespace.c:579)
[   63.344748][ T1621]  create_new_namespaces (kernel/nsproxy.c:132)
[   63.344931][ T1621]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   63.345112][ T1621]  ksys_unshare (kernel/fork.c:3243)
[   63.345303][ T1621]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   63.345483][ T1621]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   63.345685][ T1621]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   63.345867][ T1621]  ? __ia32_sys_open (fs/open.c:1374)
[   63.346050][ T1621]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   63.346236][ T1621]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   63.346415][ T1621]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.346604][ T1621]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.346797][ T1621]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.346977][ T1621]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.347199][ T1621] RIP: 0033:0x7f7e4b66bbcb
[   63.347383][ T1621] 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
[   63.347917][ T1621] RSP: 002b:00007ffcda5ca168 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   63.348164][ T1621] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7e4b66bbcb
[   63.348415][ T1621] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   63.348678][ T1621] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   63.348920][ T1621] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcda5cc390
[   63.349163][ T1621] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcda5cc888
| [   63.353766][ T1621] ------------[ cut here ]------------
| [   63.353944][ T1621] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1621
| [   63.354264][ T1621] Modules linked in: xfrm_user nf_tables
| [   63.354778][ T1621] Tainted: [W]=WARN
[   63.354924][ T1621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.355135][ T1621] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.355365][ T1621] 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
[   63.355891][ T1621] RSP: 0018:ffa00000021afa78 EFLAGS: 00010286
[   63.356106][ T1621] RAX: 00000000ffffffa6 RBX: ff1100000ba0d8c0 RCX: 1ff4000000435f15
[   63.356359][ T1621] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba0d97c
[   63.356610][ T1621] RBP: ff1100000feac000 R08: 1fe2200001741b31 R09: ff1100000fb3ae80
[   63.356864][ T1621] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   63.357107][ T1621] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000feac000
[   63.357363][ T1621] FS:  00007f7e4b3a9840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   63.357648][ T1621] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.357874][ T1621] CR2: 00007f7e4b5aac20 CR3: 0000000014c0f005 CR4: 0000000000771ef0
[   63.358119][ T1621] PKRU: 55555554
[   63.358271][ T1621] Call Trace:
[   63.358415][ T1621]  <TASK>
[   63.358533][ T1621]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.358729][ T1621]  ? notifier_call_chain (kernel/notifier.c:85)
[   63.358908][ T1621]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.359056][ T1621]  register_netdevice (net/core/dev.c:11488)
[   63.359240][ T1621]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   63.359448][ T1621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.359637][ T1621]  register_netdev (net/core/dev.c:11552)
[   63.359832][ T1621]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   63.360012][ T1621]  ops_init (net/core/net_namespace.c:137)
[   63.360160][ T1621]  setup_net (net/core/net_namespace.c:446)
[   63.360315][ T1621]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   63.360491][ T1621]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   63.360690][ T1621]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   63.360871][ T1621]  copy_net_ns (net/core/net_namespace.c:579)
[   63.361050][ T1621]  create_new_namespaces (kernel/nsproxy.c:132)
[   63.361240][ T1621]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   63.361419][ T1621]  ksys_unshare (kernel/fork.c:3243)
[   63.361607][ T1621]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   63.361797][ T1621]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   63.361975][ T1621]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   63.362155][ T1621]  ? __ia32_sys_open (fs/open.c:1374)
[   63.362339][ T1621]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   63.362524][ T1621]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   63.362715][ T1621]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.362893][ T1621]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.363070][ T1621]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.363256][ T1621]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.363462][ T1621] RIP: 0033:0x7f7e4b66bbcb
[   63.363665][ T1621] 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
[   63.364175][ T1621] RSP: 002b:00007ffcda5ca168 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   63.364426][ T1621] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7e4b66bbcb
[   63.364689][ T1621] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   63.364933][ T1621] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   63.365173][ T1621] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcda5cc390
[   63.365423][ T1621] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcda5cc888
| [   63.371729][ T1621] ------------[ cut here ]------------
| [   63.371908][ T1621] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1621
| [   63.372217][ T1621] Modules linked in: xfrm_user nf_tables
| [   63.373259][ T1621] Tainted: [W]=WARN
[   63.373462][ T1621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.373749][ T1621] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.374023][ T1621] 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
[   63.374599][ T1621] RSP: 0018:ffa00000021afa68 EFLAGS: 00010286
[   63.374887][ T1621] RAX: 00000000ffffffa6 RBX: ff1100000ba0cac0 RCX: 1ff4000000435f13
[   63.375180][ T1621] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba0cb7c
[   63.375482][ T1621] RBP: ff1100000f8e9000 R08: 1fe2200001741971 R09: ff1100000fb3ae80
[   63.375793][ T1621] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   63.376088][ T1621] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f8e9000
[   63.376391][ T1621] FS:  00007f7e4b3a9840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   63.376742][ T1621] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.377010][ T1621] CR2: 00007f7e4b5aac20 CR3: 0000000014c0f005 CR4: 0000000000771ef0
[   63.377318][ T1621] PKRU: 55555554
[   63.377527][ T1621] Call Trace:
[   63.377741][ T1621]  <TASK>
[   63.377910][ T1621]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.378141][ T1621]  ? notifier_call_chain (kernel/notifier.c:85)
[   63.378384][ T1621]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.378587][ T1621]  register_netdevice (net/core/dev.c:11488)
[   63.378840][ T1621]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   63.379108][ T1621]  register_netdev (net/core/dev.c:11552)
[   63.379349][ T1621]  sit_init_net (net/ipv6/sit.c:1860)
[   63.379587][ T1621]  ops_init (net/core/net_namespace.c:137)
[   63.379769][ T1621]  setup_net (net/core/net_namespace.c:446)
[   63.379917][ T1621]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   63.380093][ T1621]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   63.380284][ T1621]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   63.380464][ T1621]  copy_net_ns (net/core/net_namespace.c:579)
[   63.380665][ T1621]  create_new_namespaces (kernel/nsproxy.c:132)
[   63.380847][ T1621]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   63.381027][ T1621]  ksys_unshare (kernel/fork.c:3243)
[   63.381212][ T1621]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   63.381390][ T1621]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   63.381580][ T1621]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   63.381770][ T1621]  ? __ia32_sys_open (fs/open.c:1374)
[   63.381951][ T1621]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   63.382128][ T1621]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   63.382312][ T1621]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.382489][ T1621]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.382688][ T1621]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.382867][ T1621]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.383078][ T1621] RIP: 0033:0x7f7e4b66bbcb
[   63.383271][ T1621] 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
[   63.383795][ T1621] RSP: 002b:00007ffcda5ca168 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   63.384040][ T1621] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7e4b66bbcb
[   63.384289][ T1621] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   63.384532][ T1621] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   63.384786][ T1621] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcda5cc390
[   63.385026][ T1621] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcda5cc888
| [   63.390401][ T1621] ------------[ cut here ]------------
| [   63.390580][ T1621] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1621
| [   63.390902][ T1621] Modules linked in: xfrm_user nf_tables
| [   63.391405][ T1621] Tainted: [W]=WARN
[   63.391557][ T1621] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.392304][ T1621] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.392589][ T1621] 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
[   63.393170][ T1621] RSP: 0018:ffa00000021afa78 EFLAGS: 00010286
[   63.393445][ T1621] RAX: 00000000ffffffa6 RBX: ff1100000cfdce40 RCX: 1ff4000000435f15
[   63.393760][ T1621] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cfdcefc
[   63.394066][ T1621] RBP: ff11000004f2c000 R08: 1fe22000019fb9e1 R09: ff1100000fb3ae80
[   63.394374][ T1621] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   63.394691][ T1621] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004f2c000
[   63.394992][ T1621] FS:  00007f7e4b3a9840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   63.395325][ T1621] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.395595][ T1621] CR2: 00007f7e4b5aac20 CR3: 0000000014c0f005 CR4: 0000000000771ef0
[   63.395906][ T1621] PKRU: 55555554
[   63.396103][ T1621] Call Trace:
[   63.396312][ T1621]  <TASK>
[   63.396481][ T1621]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.396736][ T1621]  ? notifier_call_chain (kernel/notifier.c:85)
[   63.396969][ T1621]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.397171][ T1621]  register_netdevice (net/core/dev.c:11488)
[   63.397416][ T1621]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   63.397695][ T1621]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.397876][ T1621]  register_netdev (net/core/dev.c:11552)
[   63.398057][ T1621]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   63.398248][ T1621]  ops_init (net/core/net_namespace.c:137)
[   63.398399][ T1621]  setup_net (net/core/net_namespace.c:446)
[   63.398552][ T1621]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   63.398743][ T1621]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   63.398923][ T1621]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   63.399103][ T1621]  copy_net_ns (net/core/net_namespace.c:579)
[   63.399292][ T1621]  create_new_namespaces (kernel/nsproxy.c:132)
[   63.399475][ T1621]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   63.399672][ T1621]  ksys_unshare (kernel/fork.c:3243)
[   63.399851][ T1621]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   63.400028][ T1621]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   63.400214][ T1621]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   63.400393][ T1621]  ? __ia32_sys_open (fs/open.c:1374)
[   63.400584][ T1621]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   63.400779][ T1621]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   63.400957][ T1621]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.401136][ T1621]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.401325][ T1621]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.401507][ T1621]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.401734][ T1621] RIP: 0033:0x7f7e4b66bbcb
[   63.401918][ T1621] 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
[   63.402438][ T1621] RSP: 002b:00007ffcda5ca168 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   63.402700][ T1621] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7e4b66bbcb
[   63.402942][ T1621] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   63.403195][ T1621] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   63.403435][ T1621] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcda5cc390
[   63.403699][ T1621] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcda5cc888
| [   63.433177][ T1622] ------------[ cut here ]------------
| [   63.433330][ T1622] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1622
| [   63.433593][ T1622] Modules linked in: xfrm_user nf_tables
| [   63.433999][ T1622] Tainted: [W]=WARN
[   63.434098][ T1622] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.434264][ T1622] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.434432][ T1622] 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
[   63.434905][ T1622] RSP: 0018:ffa00000020cf020 EFLAGS: 00010286
[   63.435069][ T1622] RAX: 00000000ffffffa6 RBX: ff1100000badce40 RCX: 1ff4000000419dca
[   63.435266][ T1622] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000badcefc
[   63.435462][ T1622] RBP: ff1100000fcbc000 R08: 1fe220000175b9e1 R09: ff1100000fb3d158
[   63.435666][ T1622] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   63.435859][ T1622] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   63.436053][ T1622] FS:  00007f3b04f55840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   63.436286][ T1622] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.436448][ T1622] CR2: 000000002f286988 CR3: 00000000134f9002 CR4: 0000000000771ef0
[   63.436645][ T1622] PKRU: 55555554
[   63.436747][ T1622] Call Trace:
[   63.436844][ T1622]  <TASK>
[   63.436911][ T1622]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.437044][ T1622]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.437143][ T1622]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   63.437280][ T1622]  __dev_notify_flags (net/core/dev.c:9787)
[   63.437411][ T1622]  ? netif_change_name (net/core/dev.c:1495)
[   63.437545][ T1622]  ? __dev_change_flags (net/core/dev.c:9752)
[   63.437682][ T1622]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   63.437812][ T1622]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.437944][ T1622]  ? 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))
[   63.438079][ T1622]  netif_change_flags (net/core/dev.c:9820)
[   63.438213][ T1622]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   63.438346][ T1622]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   63.438480][ T1622]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   63.438613][ T1622]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   63.438924][ T1622]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.439056][ T1622]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.439195][ T1622]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   63.439324][ T1622]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.439455][ T1622]  ? __kernel_text_address (kernel/extable.c:79)
[   63.439591][ T1622]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.439727][ T1622]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.439857][ T1622]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.439989][ T1622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.440121][ T1622]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   63.440257][ T1622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.440385][ T1622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.440516][ T1622]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   63.440646][ T1622]  ? __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)
[   63.440781][ T1622]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   63.440913][ T1622]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.441044][ T1622]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   63.441178][ T1622]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   63.441317][ T1622]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.441450][ T1622]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.441580][ T1622]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.441715][ T1622]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.441846][ T1622]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   63.441975][ T1622]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.442109][ T1622]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.442244][ T1622]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.442374][ T1622]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.442509][ T1622]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.442640][ T1622]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.442775][ T1622]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.442907][ T1622]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.443036][ T1622]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.443168][ T1622]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.443306][ T1622]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.443436][ T1622]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.443571][ T1622]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.443709][ T1622]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.443839][ T1622]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.443972][ T1622]  ? 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))
[   63.444102][ T1622]  ? 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))
[   63.444240][ T1622]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.444371][ T1622]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.444503][ T1622]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.444637][ T1622]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   63.444773][ T1622]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   63.444905][ T1622]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   63.445037][ T1622]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   63.445168][ T1622]  ? copy_msghdr_from_user (net/socket.c:2635)
[   63.445305][ T1622]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   63.445465][ T1622]  ? move_addr_to_kernel (net/socket.c:258)
[   63.445601][ T1622]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.445736][ T1622]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.445868][ T1622]  ___sys_sendmsg (net/socket.c:2752)
[   63.446000][ T1622]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   63.446164][ T1622]  ? copy_msghdr_from_user (net/socket.c:2603)
[   63.446310][ T1622]  __sys_sendmsg (net/socket.c:2784)
[   63.446442][ T1622]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   63.446576][ T1622]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   63.446744][ T1622]  ? 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)
[   63.446875][ T1622]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.447006][ T1622]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.447137][ T1622]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.447274][ T1622]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.447405][ T1622]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.447571][ T1622] RIP: 0033:0x7f3b0518f08e
[   63.447713][ T1622] 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
[   63.448176][ T1622] RSP: 002b:00007ffe39f8a8d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.448379][ T1622] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3b0518f08e
[   63.448578][ T1622] RDX: 0000000000000000 RSI: 00007ffe39f8a980 RDI: 0000000000000005
[   63.448777][ T1622] RBP: 00007ffe39f8a8e0 R08: 0000000000000000 R09: 0000000000000000
[   63.448972][ T1622] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d869
[   63.449166][ T1622] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe39f8b050
| [   63.696075][ T1632] ------------[ cut here ]------------
| [   63.696241][ T1632] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1632
| [   63.696515][ T1632] Modules linked in: xfrm_user nf_tables
| [   63.697577][ T1632] Tainted: [W]=WARN
[   63.697738][ T1632] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.697908][ T1632] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.698085][ T1632] 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
[   63.698631][ T1632] RSP: 0018:ffa000000228ee30 EFLAGS: 00010286
[   63.698858][ T1632] RAX: 00000000ffffffa6 RBX: ff110000109cd8c0 RCX: 1ff4000000451d8c
[   63.699062][ T1632] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109cd97c
[   63.699268][ T1632] RBP: ff1100000f294000 R08: 1fe2200002139b31 R09: ff11000014c9ae80
[   63.699468][ T1632] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   63.699731][ T1632] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cf47c00
[   63.699934][ T1632] FS:  00007fc463788840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   63.700174][ T1632] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.700349][ T1632] CR2: 00000000004eb188 CR3: 000000000e9a8001 CR4: 0000000000771ef0
[   63.700553][ T1632] PKRU: 55555554
[   63.700661][ T1632] Call Trace:
[   63.700761][ T1632]  <TASK>
[   63.700831][ T1632]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   63.701002][ T1632]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.701139][ T1632]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.701247][ T1632]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.701381][ T1632]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.701516][ T1632]  __dev_notify_flags (net/core/dev.c:9787)
[   63.701659][ T1632]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.701794][ T1632]  ? netif_change_name (net/core/dev.c:1495)
[   63.701928][ T1632]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   63.702064][ T1632]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   63.702237][ T1632]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   63.702408][ T1632]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   63.702547][ T1632]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   63.702687][ T1632]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   63.702823][ T1632]  veth_newlink (drivers/net/veth.c:1871)
[   63.702961][ T1632]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   63.703094][ T1632]  ? kasan_save_stack (mm/kasan/common.c:57)
[   63.703234][ T1632]  ? kasan_save_track (mm/kasan/common.c:78)
[   63.703368][ T1632]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   63.703522][ T1632]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   63.703661][ T1632]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   63.703798][ T1632]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   63.703934][ T1632]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   63.704071][ T1632]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   63.704215][ T1632]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   63.704351][ T1632]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   63.704486][ T1632]  ? __dev_get_by_name (net/core/dev.c:883)
[   63.704624][ T1632]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   63.704771][ T1632]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   63.704912][ T1632]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.705051][ T1632]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.705185][ T1632]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.705325][ T1632]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.705460][ T1632]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   63.705599][ T1632]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.705744][ T1632]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.705882][ T1632]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.706019][ T1632]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.706153][ T1632]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.706295][ T1632]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.706429][ T1632]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.706570][ T1632]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.706710][ T1632]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.706846][ T1632]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.706982][ T1632]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.707120][ T1632]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.707264][ T1632]  ? 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))
[   63.707399][ T1632]  ? 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))
[   63.707539][ T1632]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.707681][ T1632]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.707817][ T1632]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.707954][ T1632]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   63.708090][ T1632]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   63.708233][ T1632]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   63.708370][ T1632]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   63.708510][ T1632]  ? copy_msghdr_from_user (net/socket.c:2635)
[   63.708646][ T1632]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   63.708819][ T1632]  ? move_addr_to_kernel (net/socket.c:258)
[   63.708955][ T1632]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.709091][ T1632]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   63.709235][ T1632]  ___sys_sendmsg (net/socket.c:2752)
[   63.709369][ T1632]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   63.709509][ T1632]  ? copy_msghdr_from_user (net/socket.c:2603)
[   63.709650][ T1632]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   63.709796][ T1632]  ? 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))
[   63.709934][ T1632]  __sys_sendmsg (net/socket.c:2784)
[   63.710068][ T1632]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   63.710213][ T1632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.710348][ T1632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.710483][ T1632]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.710619][ T1632]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.710759][ T1632]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.710894][ T1632]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.711061][ T1632] RIP: 0033:0x7fc4639c208e
[   63.711206][ T1632] 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
[   63.711695][ T1632] RSP: 002b:00007ffca7b0ca90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.711897][ T1632] RAX: ffffffffffffffda RBX: 00007ffca7b0d228 RCX: 00007fc4639c208e
[   63.712100][ T1632] RDX: 0000000000000000 RSI: 00007ffca7b0cb40 RDI: 0000000000000005
[   63.712305][ T1632] RBP: 00007ffca7b0caa0 R08: 0000000000000000 R09: 0000000000000000
[   63.712509][ T1632] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d869
[   63.712716][ T1632] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca7b0d200
| [   63.724418][ T1632] ------------[ cut here ]------------
| [   63.724570][ T1632] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1632
| [   63.724843][ T1632] Modules linked in: xfrm_user nf_tables
| [   63.725258][ T1632] Tainted: [W]=WARN
[   63.725359][ T1632] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.725531][ T1632] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.725708][ T1632] 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
[   63.726183][ T1632] RSP: 0018:ffa000000228f1b0 EFLAGS: 00010286
[   63.726356][ T1632] RAX: 00000000ffffffa6 RBX: ff1100000f36eac0 RCX: 1ff4000000451dfc
[   63.726561][ T1632] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f36eb7c
[   63.726764][ T1632] RBP: ff1100000eb0c000 R08: 1fe2200001e6dd71 R09: ff11000014c9ae80
[   63.726963][ T1632] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   63.727161][ T1632] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   63.727365][ T1632] FS:  00007fc463788840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   63.727601][ T1632] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.727776][ T1632] CR2: 000055d401a14638 CR3: 000000000e9a8002 CR4: 0000000000771ef0
[   63.727973][ T1632] PKRU: 55555554
[   63.728073][ T1632] Call Trace:
[   63.728171][ T1632]  <TASK>
[   63.728246][ T1632]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.728381][ T1632]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.728483][ T1632]  __dev_notify_flags (net/core/dev.c:9787)
[   63.728622][ T1632]  ? netif_change_name (net/core/dev.c:1495)
[   63.728764][ T1632]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   63.728896][ T1632]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   63.729033][ T1632]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   63.729167][ T1632]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   63.729304][ T1632]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   63.729436][ T1632]  ? __dev_get_by_name (net/core/dev.c:883)
[   63.729572][ T1632]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   63.729717][ T1632]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   63.729855][ T1632]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.729990][ T1632]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.730123][ T1632]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.730262][ T1632]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.730395][ T1632]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   63.730530][ T1632]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.730670][ T1632]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.730806][ T1632]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.730939][ T1632]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.731071][ T1632]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.731206][ T1632]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.731337][ T1632]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.731471][ T1632]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.731607][ T1632]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.731960][ T1632]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.732093][ T1632]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.732233][ T1632]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.732368][ T1632]  ? 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))
[   63.732501][ T1632]  ? 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))
[   63.732638][ T1632]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.732776][ T1632]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.732911][ T1632]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.733048][ T1632]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   63.733183][ T1632]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   63.733323][ T1632]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   63.733457][ T1632]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   63.733595][ T1632]  ? copy_msghdr_from_user (net/socket.c:2635)
[   63.733732][ T1632]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   63.733897][ T1632]  ? move_addr_to_kernel (net/socket.c:258)
[   63.734034][ T1632]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.734168][ T1632]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   63.734306][ T1632]  ___sys_sendmsg (net/socket.c:2752)
[   63.734437][ T1632]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   63.734574][ T1632]  ? copy_msghdr_from_user (net/socket.c:2603)
[   63.734716][ T1632]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   63.734854][ T1632]  ? 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))
[   63.734991][ T1632]  __sys_sendmsg (net/socket.c:2784)
[   63.735126][ T1632]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   63.735269][ T1632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.735402][ T1632]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.735539][ T1632]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.735678][ T1632]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.735811][ T1632]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.735944][ T1632]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.736112][ T1632] RIP: 0033:0x7fc4639c208e
[   63.736258][ T1632] 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
[   63.736739][ T1632] RSP: 002b:00007ffca7b0ca90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.736940][ T1632] RAX: ffffffffffffffda RBX: 00007ffca7b0d228 RCX: 00007fc4639c208e
[   63.737141][ T1632] RDX: 0000000000000000 RSI: 00007ffca7b0cb40 RDI: 0000000000000005
[   63.737347][ T1632] RBP: 00007ffca7b0caa0 R08: 0000000000000000 R09: 0000000000000000
[   63.737548][ T1632] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d869
[   63.737750][ T1632] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca7b0d200
| [   63.844945][ T1636] ------------[ cut here ]------------
| [   63.845131][ T1636] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1636
| [   63.845446][ T1636] Modules linked in: xfrm_user nf_tables
| [   63.845971][ T1636] Tainted: [W]=WARN
[   63.846114][ T1636] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.846331][ T1636] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.846556][ T1636] 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
[   63.847076][ T1636] RSP: 0018:ffa00000022df020 EFLAGS: 00010286
[   63.847297][ T1636] RAX: 00000000ffffffa6 RBX: ff110000109cc3c0 RCX: 1ff400000045bdca
[   63.847541][ T1636] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109cc47c
[   63.847794][ T1636] RBP: ff1100000eb0c000 R08: 1fe2200002139891 R09: ff1100000ff7ae58
[   63.848033][ T1636] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   63.848283][ T1636] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   63.848529][ T1636] FS:  00007fccbbf3e840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   63.848817][ T1636] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.849027][ T1636] CR2: 00000000095e8988 CR3: 0000000004d76005 CR4: 0000000000771ef0
[   63.849276][ T1636] PKRU: 55555554
[   63.849420][ T1636] Call Trace:
[   63.849575][ T1636]  <TASK>
[   63.849702][ T1636]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.849883][ T1636]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.850029][ T1636]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   63.850214][ T1636]  __dev_notify_flags (net/core/dev.c:9787)
[   63.850396][ T1636]  ? netif_change_name (net/core/dev.c:1495)
[   63.850582][ T1636]  ? __dev_change_flags (net/core/dev.c:9752)
[   63.850774][ T1636]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   63.850953][ T1636]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.851130][ T1636]  ? 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))
[   63.851324][ T1636]  netif_change_flags (net/core/dev.c:9820)
[   63.851502][ T1636]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   63.851698][ T1636]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   63.851878][ T1636]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   63.852055][ T1636]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   63.852271][ T1636]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.852448][ T1636]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.852636][ T1636]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   63.852826][ T1636]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.853005][ T1636]  ? __kernel_text_address (kernel/extable.c:79)
[   63.853182][ T1636]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.853371][ T1636]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.853552][ T1636]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.853744][ T1636]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.853924][ T1636]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   63.854102][ T1636]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.854288][ T1636]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.854466][ T1636]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   63.854664][ T1636]  ? __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)
[   63.854841][ T1636]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   63.855020][ T1636]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.855206][ T1636]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   63.855390][ T1636]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   63.855579][ T1636]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.855770][ T1636]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.855945][ T1636]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.856123][ T1636]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.856307][ T1636]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   63.856485][ T1636]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.856687][ T1636]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.856863][ T1636]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.857039][ T1636]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.857223][ T1636]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.857402][ T1636]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.857587][ T1636]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.857777][ T1636]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.857954][ T1636]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.858134][ T1636]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.858323][ T1636]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.858502][ T1636]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.858701][ T1636]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.858880][ T1636]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.859058][ T1636]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.859251][ T1636]  ? 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))
[   63.859431][ T1636]  ? 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))
[   63.859622][ T1636]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.859815][ T1636]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.859993][ T1636]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.860171][ T1636]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   63.860360][ T1636]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   63.860545][ T1636]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   63.860738][ T1636]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   63.860920][ T1636]  ? copy_msghdr_from_user (net/socket.c:2635)
[   63.861097][ T1636]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   63.861315][ T1636]  ? move_addr_to_kernel (net/socket.c:258)
[   63.861495][ T1636]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.861693][ T1636]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.861873][ T1636]  ___sys_sendmsg (net/socket.c:2752)
[   63.862051][ T1636]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   63.862270][ T1636]  ? copy_msghdr_from_user (net/socket.c:2603)
[   63.862459][ T1636]  __sys_sendmsg (net/socket.c:2784)
[   63.862646][ T1636]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   63.862837][ T1636]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   63.863049][ T1636]  ? 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)
[   63.863234][ T1636]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.863427][ T1636]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.863616][ T1636]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.863801][ T1636]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.863979][ T1636]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.864187][ T1636] RIP: 0033:0x7fccbc17808e
[   63.864379][ T1636] 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
[   63.864906][ T1636] RSP: 002b:00007fffb8782a90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.865148][ T1636] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fccbc17808e
[   63.865396][ T1636] RDX: 0000000000000000 RSI: 00007fffb8782b40 RDI: 0000000000000005
[   63.865643][ T1636] RBP: 00007fffb8782aa0 R08: 0000000000000000 R09: 0000000000000000
[   63.865899][ T1636] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d86a
[   63.866138][ T1636] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb8783200
| [   63.983725][ T1640] ------------[ cut here ]------------
| [   63.983878][ T1640] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1640
| [   63.984140][ T1640] Modules linked in: xfrm_user nf_tables
| [   63.984546][ T1640] Tainted: [W]=WARN
[   63.984645][ T1640] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   63.984816][ T1640] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   63.984983][ T1640] 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
[   63.985451][ T1640] RSP: 0018:ffa000000230f020 EFLAGS: 00010286
[   63.985615][ T1640] RAX: 00000000ffffffa6 RBX: ff1100000fc65380 RCX: 1ff4000000461dca
[   63.985814][ T1640] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc6543c
[   63.986006][ T1640] RBP: ff1100000f294000 R08: 1fe2200001f8ca89 R09: ff110000100f0b58
[   63.986203][ T1640] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   63.986397][ T1640] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   63.986596][ T1640] FS:  00007f4e95b31840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   63.986827][ T1640] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.986988][ T1640] CR2: 00007f4e95e011a0 CR3: 0000000012bb4006 CR4: 0000000000771ef0
[   63.987183][ T1640] PKRU: 55555554
[   63.987285][ T1640] Call Trace:
[   63.987381][ T1640]  <TASK>
[   63.987449][ T1640]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   63.987582][ T1640]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   63.987717][ T1640]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   63.987848][ T1640]  __dev_notify_flags (net/core/dev.c:9787)
[   63.987978][ T1640]  ? netif_change_name (net/core/dev.c:1495)
[   63.988108][ T1640]  ? __dev_change_flags (net/core/dev.c:9752)
[   63.988245][ T1640]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   63.988374][ T1640]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.988507][ T1640]  ? 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))
[   63.988639][ T1640]  netif_change_flags (net/core/dev.c:9820)
[   63.988875][ T1640]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   63.989007][ T1640]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   63.989139][ T1640]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   63.989277][ T1640]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   63.989438][ T1640]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   63.989572][ T1640]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.989733][ T1640]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   63.989868][ T1640]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.990000][ T1640]  ? __kernel_text_address (kernel/extable.c:79)
[   63.990129][ T1640]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.990267][ T1640]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.990397][ T1640]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.990531][ T1640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.990668][ T1640]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   63.990797][ T1640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.990927][ T1640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.991056][ T1640]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   63.991187][ T1640]  ? __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)
[   63.991321][ T1640]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   63.991450][ T1640]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   63.991588][ T1640]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   63.991725][ T1640]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   63.991859][ T1640]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   63.991990][ T1640]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.992120][ T1640]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.992256][ T1640]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.992385][ T1640]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   63.992515][ T1640]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.992645][ T1640]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.992780][ T1640]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.992909][ T1640]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.993039][ T1640]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   63.993171][ T1640]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   63.993306][ T1640]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   63.993435][ T1640]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.993567][ T1640]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.993700][ T1640]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.993831][ T1640]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   63.993962][ T1640]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   63.994093][ T1640]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   63.994228][ T1640]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   63.994359][ T1640]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   63.994494][ T1640]  ? 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))
[   63.994626][ T1640]  ? 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))
[   63.994762][ T1640]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   63.994894][ T1640]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   63.995025][ T1640]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   63.995161][ T1640]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   63.995298][ T1640]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   63.995429][ T1640]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   63.995565][ T1640]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   63.995704][ T1640]  ? copy_msghdr_from_user (net/socket.c:2635)
[   63.995834][ T1640]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   63.995995][ T1640]  ? move_addr_to_kernel (net/socket.c:258)
[   63.996126][ T1640]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   63.996260][ T1640]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   63.996391][ T1640]  ___sys_sendmsg (net/socket.c:2752)
[   63.996522][ T1640]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   63.996689][ T1640]  ? copy_msghdr_from_user (net/socket.c:2603)
[   63.996830][ T1640]  __sys_sendmsg (net/socket.c:2784)
[   63.996960][ T1640]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   63.997089][ T1640]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   63.997257][ T1640]  ? 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)
[   63.997387][ T1640]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   63.997518][ T1640]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   63.997647][ T1640]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   63.997781][ T1640]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   63.997910][ T1640]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   63.998070][ T1640] RIP: 0033:0x7f4e95d6b08e
[   63.998213][ T1640] 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
[   63.998684][ T1640] RSP: 002b:00007ffcb51a3c60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   63.998881][ T1640] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4e95d6b08e
[   63.999075][ T1640] RDX: 0000000000000000 RSI: 00007ffcb51a3d10 RDI: 0000000000000005
[   63.999273][ T1640] RBP: 00007ffcb51a3c70 R08: 0000000000000000 R09: 0000000000000000
[   63.999467][ T1640] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d86a
[   63.999667][ T1640] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb51a43d0
| [   64.002056][   T36] ------------[ cut here ]------------
| [   64.002185][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   64.002434][   T36] Modules linked in: xfrm_user nf_tables
| [   64.002900][   T36] Tainted: [W]=WARN
[   64.002989][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.003138][   T36] Workqueue: events_unbound linkwatch_event
[   64.003296][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.003448][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   64.003886][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   64.004035][   T36] RAX: 00000000ffffffa6 RBX: ff1100000fc64740 RCX: 1ff4000000051f02
[   64.004219][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc647fc
[   64.004396][   T36] RBP: ff1100000eb0c000 R08: 1fe2200001f8c901 R09: ff11000001d751a8
[   64.004573][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   64.004756][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   64.004933][   T36] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   64.005138][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.005290][   T36] CR2: 000055d401a1bf28 CR3: 000000004994d001 CR4: 0000000000771ef0
[   64.005466][   T36] PKRU: 55555554
[   64.005557][   T36] Call Trace:
[   64.005645][   T36]  <TASK>
[   64.005712][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.005832][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   64.005951][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.006046][   T36]  netif_state_change (net/core/dev.c:1605)
[   64.006166][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   64.006321][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   64.006438][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   64.006561][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.006687][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   64.006804][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   64.006924][   T36]  process_one_work (kernel/workqueue.c:3314)
[   64.007046][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   64.007164][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.007295][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   64.007416][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   64.007535][   T36]  kthread (kernel/kthread.c:436)
[   64.007626][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   64.007776][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   64.007894][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   64.008013][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   64.008160][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   64.008284][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   64.008401][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   64.181051][ T1648] ------------[ cut here ]------------
| [   64.181215][ T1648] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1648
| [   64.181486][ T1648] Modules linked in: xfrm_user nf_tables
| [   64.181916][ T1648] Tainted: [W]=WARN
[   64.182019][ T1648] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.182195][ T1648] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.182374][ T1648] 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
[   64.182861][ T1648] RSP: 0018:ffa000000219ee30 EFLAGS: 00010286
[   64.183031][ T1648] RAX: 00000000ffffffa6 RBX: ff11000012120200 RCX: 1ff4000000433d8c
[   64.183241][ T1648] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121202bc
[   64.183444][ T1648] RBP: ff11000009429000 R08: 1fe2200002424059 R09: ff1100001260d180
[   64.183655][ T1648] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   64.183860][ T1648] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012ac7500
[   64.184064][ T1648] FS:  00007f8b52a1e840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   64.184307][ T1648] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.184477][ T1648] CR2: 00000000004eb188 CR3: 000000000e688005 CR4: 0000000000771ef0
[   64.184686][ T1648] PKRU: 55555554
[   64.184788][ T1648] Call Trace:
[   64.184889][ T1648]  <TASK>
[   64.184959][ T1648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.185096][ T1648]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.185241][ T1648]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.185346][ T1648]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   64.185483][ T1648]  __dev_notify_flags (net/core/dev.c:9787)
[   64.185622][ T1648]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   64.185762][ T1648]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   64.185896][ T1648]  ? netif_change_name (net/core/dev.c:1495)
[   64.186033][ T1648]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   64.186170][ T1648]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.186310][ T1648]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.186443][ T1648]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.186581][ T1648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.186722][ T1648]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   64.186860][ T1648]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   64.186998][ T1648]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   64.187135][ T1648]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   64.187278][ T1648]  veth_newlink (drivers/net/veth.c:1871)
[   64.187415][ T1648]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   64.187551][ T1648]  ? kasan_save_stack (mm/kasan/common.c:57)
[   64.188185][ T1648]  ? kasan_save_track (mm/kasan/common.c:78)
[   64.188327][ T1648]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   64.188479][ T1648]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   64.188614][ T1648]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   64.188756][ T1648]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   64.188892][ T1648]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   64.189030][ T1648]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   64.189167][ T1648]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   64.189309][ T1648]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   64.189445][ T1648]  ? __dev_get_by_name (net/core/dev.c:883)
[   64.189581][ T1648]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   64.189728][ T1648]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   64.189867][ T1648]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   64.190005][ T1648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.190140][ T1648]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.190281][ T1648]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.190416][ T1648]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.190554][ T1648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.190701][ T1648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.190837][ T1648]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.190973][ T1648]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.191107][ T1648]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.191249][ T1648]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.191384][ T1648]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.191522][ T1648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.191661][ T1648]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.191797][ T1648]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.191932][ T1648]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.192068][ T1648]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.192210][ T1648]  ? 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))
[   64.192344][ T1648]  ? 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))
[   64.192481][ T1648]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.192618][ T1648]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.192761][ T1648]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.192896][ T1648]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.193032][ T1648]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.193166][ T1648]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.193307][ T1648]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.193441][ T1648]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.193579][ T1648]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.193754][ T1648]  ? move_addr_to_kernel (net/socket.c:258)
[   64.193891][ T1648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.194027][ T1648]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   64.194163][ T1648]  ___sys_sendmsg (net/socket.c:2752)
[   64.194303][ T1648]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   64.194440][ T1648]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.194584][ T1648]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   64.194729][ T1648]  ? 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))
[   64.194868][ T1648]  __sys_sendmsg (net/socket.c:2784)
[   64.195003][ T1648]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.195142][ T1648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.195283][ T1648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.195420][ T1648]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.195560][ T1648]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.195711][ T1648]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.195847][ T1648]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.196022][ T1648] RIP: 0033:0x7f8b52c5808e
[   64.196166][ T1648] 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
[   64.196657][ T1648] RSP: 002b:00007ffe0115e330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.196863][ T1648] RAX: ffffffffffffffda RBX: 00007ffe0115eac8 RCX: 00007f8b52c5808e
[   64.197063][ T1648] RDX: 0000000000000000 RSI: 00007ffe0115e3e0 RDI: 0000000000000005
[   64.197268][ T1648] RBP: 00007ffe0115e340 R08: 0000000000000000 R09: 0000000000000000
[   64.197468][ T1648] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d86a
[   64.197678][ T1648] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0115eaa0
| [   64.206838][ T1648] ------------[ cut here ]------------
| [   64.206981][ T1648] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1648
| [   64.207252][ T1648] Modules linked in: xfrm_user nf_tables
| [   64.207666][ T1648] Tainted: [W]=WARN
[   64.207767][ T1648] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.207933][ T1648] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.208106][ T1648] 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
[   64.208583][ T1648] RSP: 0018:ffa000000219f1b0 EFLAGS: 00010286
[   64.208756][ T1648] RAX: 00000000ffffffa6 RBX: ff1100000dda98c0 RCX: 1ff4000000433dfc
[   64.208956][ T1648] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda997c
[   64.209154][ T1648] RBP: ff1100000f01c000 R08: 1fe2200001bb5331 R09: ff1100001260d180
[   64.209359][ T1648] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   64.209562][ T1648] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   64.209766][ T1648] FS:  00007f8b52a1e840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   64.209999][ T1648] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.210165][ T1648] CR2: 00000000004eb188 CR3: 000000000e688005 CR4: 0000000000771ef0
[   64.210369][ T1648] PKRU: 55555554
[   64.210468][ T1648] Call Trace:
[   64.210572][ T1648]  <TASK>
[   64.210641][ T1648]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.210782][ T1648]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.210884][ T1648]  __dev_notify_flags (net/core/dev.c:9787)
[   64.211019][ T1648]  ? netif_change_name (net/core/dev.c:1495)
[   64.211155][ T1648]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   64.211293][ T1648]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   64.211428][ T1648]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   64.211567][ T1648]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   64.211707][ T1648]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   64.211841][ T1648]  ? __dev_get_by_name (net/core/dev.c:883)
[   64.211974][ T1648]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   64.212114][ T1648]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   64.212257][ T1648]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   64.212391][ T1648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.212529][ T1648]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.212667][ T1648]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.212800][ T1648]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.212933][ T1648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.213070][ T1648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.213207][ T1648]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.213342][ T1648]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.213476][ T1648]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.213611][ T1648]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.213854][ T1648]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.213991][ T1648]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.214123][ T1648]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.214263][ T1648]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.214394][ T1648]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.214532][ T1648]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.214671][ T1648]  ? 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))
[   64.214804][ T1648]  ? 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))
[   64.214940][ T1648]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.215075][ T1648]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.215216][ T1648]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.215351][ T1648]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.215485][ T1648]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.215624][ T1648]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.215763][ T1648]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.215897][ T1648]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.216030][ T1648]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.216201][ T1648]  ? move_addr_to_kernel (net/socket.c:258)
[   64.216336][ T1648]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.216470][ T1648]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   64.216608][ T1648]  ___sys_sendmsg (net/socket.c:2752)
[   64.216747][ T1648]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   64.216881][ T1648]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.217019][ T1648]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   64.217157][ T1648]  ? 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))
[   64.217299][ T1648]  __sys_sendmsg (net/socket.c:2784)
[   64.217432][ T1648]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.217573][ T1648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.217713][ T1648]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.217848][ T1648]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.217982][ T1648]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.218115][ T1648]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.218254][ T1648]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.218418][ T1648] RIP: 0033:0x7f8b52c5808e
[   64.218562][ T1648] 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
[   64.219043][ T1648] RSP: 002b:00007ffe0115e330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.219247][ T1648] RAX: ffffffffffffffda RBX: 00007ffe0115eac8 RCX: 00007f8b52c5808e
[   64.219444][ T1648] RDX: 0000000000000000 RSI: 00007ffe0115e3e0 RDI: 0000000000000005
[   64.219644][ T1648] RBP: 00007ffe0115e340 R08: 0000000000000000 R09: 0000000000000000
[   64.219849][ T1648] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d86a
[   64.220046][ T1648] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0115eaa0
| [   64.331353][ T1652] ------------[ cut here ]------------
| [   64.331507][ T1652] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1652
| [   64.331858][ T1652] Modules linked in: xfrm_user nf_tables
| [   64.332265][ T1652] Tainted: [W]=WARN
[   64.332363][ T1652] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.332531][ T1652] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.332707][ T1652] 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
[   64.333171][ T1652] RSP: 0018:ffa000000228f020 EFLAGS: 00010286
[   64.333341][ T1652] RAX: 00000000ffffffa6 RBX: ff1100000ceafc40 RCX: 1ff4000000451dca
[   64.333538][ T1652] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceafcfc
[   64.333736][ T1652] RBP: ff1100000f01c000 R08: 1fe22000019d5fa1 R09: ff1100000de82e58
[   64.333927][ T1652] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   64.334120][ T1652] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   64.334324][ T1652] FS:  00007fc47cb8d840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   64.334559][ T1652] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.334734][ T1652] CR2: 000000003c6da988 CR3: 000000000d4d3006 CR4: 0000000000771ef0
[   64.334932][ T1652] PKRU: 55555554
[   64.335029][ T1652] Call Trace:
[   64.335125][ T1652]  <TASK>
[   64.335195][ T1652]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.335328][ T1652]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.335427][ T1652]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   64.335561][ T1652]  __dev_notify_flags (net/core/dev.c:9787)
[   64.335696][ T1652]  ? netif_change_name (net/core/dev.c:1495)
[   64.335825][ T1652]  ? __dev_change_flags (net/core/dev.c:9752)
[   64.335957][ T1652]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   64.336085][ T1652]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.336220][ T1652]  ? 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))
[   64.336352][ T1652]  netif_change_flags (net/core/dev.c:9820)
[   64.336484][ T1652]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   64.336618][ T1652]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   64.336758][ T1652]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   64.336891][ T1652]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   64.337051][ T1652]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.337181][ T1652]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.337317][ T1652]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   64.337445][ T1652]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.337579][ T1652]  ? __kernel_text_address (kernel/extable.c:79)
[   64.337714][ T1652]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.337846][ T1652]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.337974][ T1652]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   64.338105][ T1652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.338238][ T1652]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   64.338367][ T1652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.338496][ T1652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.338629][ T1652]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   64.338763][ T1652]  ? __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)
[   64.338894][ T1652]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   64.339022][ T1652]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   64.339155][ T1652]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   64.339291][ T1652]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   64.339424][ T1652]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   64.339564][ T1652]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.339697][ T1652]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.339827][ T1652]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.339959][ T1652]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.340088][ T1652]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.340225][ T1652]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.340354][ T1652]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.340484][ T1652]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.340617][ T1652]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.340757][ T1652]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.340888][ T1652]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.341018][ T1652]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.341147][ T1652]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.341281][ T1652]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.341427][ T1652]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.341559][ T1652]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.341694][ T1652]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.341824][ T1652]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.341956][ T1652]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.342089][ T1652]  ? 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))
[   64.342226][ T1652]  ? 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))
[   64.342357][ T1652]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.342489][ T1652]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.342623][ T1652]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.342759][ T1652]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.342893][ T1652]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.343023][ T1652]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.343154][ T1652]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.343289][ T1652]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.343419][ T1652]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.343579][ T1652]  ? move_addr_to_kernel (net/socket.c:258)
[   64.343715][ T1652]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.343846][ T1652]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.343978][ T1652]  ___sys_sendmsg (net/socket.c:2752)
[   64.344108][ T1652]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   64.344275][ T1652]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.344418][ T1652]  __sys_sendmsg (net/socket.c:2784)
[   64.344550][ T1652]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.344684][ T1652]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   64.344847][ T1652]  ? 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)
[   64.344980][ T1652]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.345111][ T1652]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.345245][ T1652]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.345375][ T1652]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.345508][ T1652]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.345673][ T1652] RIP: 0033:0x7fc47cdc708e
[   64.345807][ T1652] 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
[   64.346272][ T1652] RSP: 002b:00007ffef745e860 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.346467][ T1652] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc47cdc708e
[   64.346666][ T1652] RDX: 0000000000000000 RSI: 00007ffef745e910 RDI: 0000000000000005
[   64.346860][ T1652] RBP: 00007ffef745e870 R08: 0000000000000000 R09: 0000000000000000
[   64.347054][ T1652] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d86a
[   64.347253][ T1652] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef745efd0
| [   64.455373][ T1656] ------------[ cut here ]------------
| [   64.455561][ T1656] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1656
| [   64.456490][ T1656] Modules linked in: xfrm_user nf_tables
| [   64.457002][ T1656] Tainted: [W]=WARN
[   64.457147][ T1656] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.457366][ T1656] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.457591][ T1656] 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
[   64.458113][ T1656] RSP: 0018:ffa000000228f020 EFLAGS: 00010286
[   64.458333][ T1656] RAX: 00000000ffffffa6 RBX: ff11000010b85380 RCX: 1ff4000000451dca
[   64.458582][ T1656] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010b8543c
[   64.458832][ T1656] RBP: ff11000009429000 R08: 1fe2200002170a89 R09: ff1100000fbfd158
[   64.459070][ T1656] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   64.459321][ T1656] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   64.459571][ T1656] FS:  00007f07c035a840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   64.459861][ T1656] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.460071][ T1656] CR2: 00000000200e9988 CR3: 000000001091f001 CR4: 0000000000771ef0
[   64.460323][ T1656] PKRU: 55555554
[   64.460468][ T1656] Call Trace:
[   64.460620][ T1656]  <TASK>
[   64.460744][ T1656]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.460924][ T1656]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.461070][ T1656]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   64.461256][ T1656]  __dev_notify_flags (net/core/dev.c:9787)
[   64.461436][ T1656]  ? netif_change_name (net/core/dev.c:1495)
[   64.461623][ T1656]  ? __dev_change_flags (net/core/dev.c:9752)
[   64.461814][ T1656]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   64.461990][ T1656]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.462169][ T1656]  ? 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))
[   64.462357][ T1656]  netif_change_flags (net/core/dev.c:9820)
[   64.462538][ T1656]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   64.462730][ T1656]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   64.462913][ T1656]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   64.463090][ T1656]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   64.463304][ T1656]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.463482][ T1656]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.463677][ T1656]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   64.463856][ T1656]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.464038][ T1656]  ? __kernel_text_address (kernel/extable.c:79)
[   64.464222][ T1656]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.464402][ T1656]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.464587][ T1656]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   64.464777][ T1656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.464956][ T1656]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   64.465132][ T1656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.465317][ T1656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.465497][ T1656]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   64.465694][ T1656]  ? __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)
[   64.465872][ T1656]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   64.466051][ T1656]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   64.466239][ T1656]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   64.466421][ T1656]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   64.466610][ T1656]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   64.466805][ T1656]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.466983][ T1656]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.467160][ T1656]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.467344][ T1656]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.467525][ T1656]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.467719][ T1656]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.467896][ T1656]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.468073][ T1656]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.468262][ T1656]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.468439][ T1656]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.468624][ T1656]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.468814][ T1656]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.468991][ T1656]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.469168][ T1656]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.469356][ T1656]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.469535][ T1656]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.469730][ T1656]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.469907][ T1656]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.470085][ T1656]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.470274][ T1656]  ? 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))
[   64.470450][ T1656]  ? 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))
[   64.470638][ T1656]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.470830][ T1656]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.471011][ T1656]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.471198][ T1656]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.471379][ T1656]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.471567][ T1656]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.471761][ T1656]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.471940][ T1656]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.472118][ T1656]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.472335][ T1656]  ? move_addr_to_kernel (net/socket.c:258)
[   64.472521][ T1656]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.472715][ T1656]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.472894][ T1656]  ___sys_sendmsg (net/socket.c:2752)
[   64.473071][ T1656]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   64.473289][ T1656]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.473479][ T1656]  __sys_sendmsg (net/socket.c:2784)
[   64.473679][ T1656]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.473859][ T1656]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   64.474072][ T1656]  ? 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)
[   64.474259][ T1656]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.474438][ T1656]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.474622][ T1656]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.474813][ T1656]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.474994][ T1656]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.475212][ T1656] RIP: 0033:0x7f07c059408e
[   64.475399][ T1656] 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
[   64.475923][ T1656] RSP: 002b:00007ffca5f1b260 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.476166][ T1656] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f07c059408e
[   64.476418][ T1656] RDX: 0000000000000000 RSI: 00007ffca5f1b310 RDI: 0000000000000005
[   64.476678][ T1656] RBP: 00007ffca5f1b270 R08: 0000000000000000 R09: 0000000000000000
[   64.476918][ T1656] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d86a
[   64.477159][ T1656] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca5f1b9d0
| [   64.484478][  T434] ------------[ cut here ]------------
| [   64.484616][  T434] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 2/434
| [   64.484863][  T434] Modules linked in: xfrm_user nf_tables
| [   64.485265][  T434] Tainted: [W]=WARN
[   64.485353][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.485508][  T434] Workqueue: events_unbound linkwatch_event
[   64.485666][  T434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.485819][  T434] 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
[   64.486249][  T434] RSP: 0018:ffa0000000e879e0 EFLAGS: 00010286
[   64.486397][  T434] RAX: 00000000ffffffa6 RBX: ff11000010b84e40 RCX: 1ff40000001d0f02
[   64.486577][  T434] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010b84efc
[   64.486770][  T434] RBP: ff11000009429000 R08: 1fe22000021709e1 R09: ff110000100f2ea8
[   64.486946][  T434] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   64.487122][  T434] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   64.487305][  T434] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   64.487514][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.487668][  T434] CR2: 000055d401a1f448 CR3: 000000004994d001 CR4: 0000000000771ef0
[   64.487846][  T434] PKRU: 55555554
[   64.487939][  T434] Call Trace:
[   64.488027][  T434]  <TASK>
[   64.488089][  T434]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.488211][  T434]  ? notifier_call_chain (kernel/notifier.c:85)
[   64.488331][  T434]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.488427][  T434]  netif_state_change (net/core/dev.c:1605)
[   64.488554][  T434]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   64.488707][  T434]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   64.488824][  T434]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   64.488943][  T434]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.489063][  T434]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   64.489180][  T434]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   64.489305][  T434]  process_one_work (kernel/workqueue.c:3314)
[   64.489433][  T434]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   64.489559][  T434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.489688][  T434]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   64.489809][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   64.489926][  T434]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   64.490045][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   64.490163][  T434]  kthread (kernel/kthread.c:436)
[   64.490259][  T434]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   64.490406][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   64.490527][  T434]  ret_from_fork (arch/x86/kernel/process.c:158)
[   64.490646][  T434]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   64.490799][  T434]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   64.490921][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   64.491040][  T434]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   64.492750][  T434] ------------[ cut here ]------------
| [   64.492880][  T434] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 2/434
| [   64.493114][  T434] Modules linked in: xfrm_user nf_tables
| [   64.493518][  T434] Tainted: [W]=WARN
[   64.493608][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.493798][  T434] Workqueue: events_unbound linkwatch_event
[   64.493950][  T434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.494105][  T434] 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
[   64.494538][  T434] RSP: 0018:ffa0000000e879e0 EFLAGS: 00010286
[   64.494702][  T434] RAX: 00000000ffffffa6 RBX: ff110000100cc040 RCX: 1ff40000001d0f02
[   64.494879][  T434] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000100cc0fc
[   64.495055][  T434] RBP: ff1100000f01c000 R08: 1fe2200002019821 R09: ff110000100f2ea8
[   64.495236][  T434] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   64.495420][  T434] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   64.495604][  T434] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   64.495820][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.495973][  T434] CR2: 000055d3d5b6bd5c CR3: 0000000010ac3003 CR4: 0000000000771ef0
[   64.496152][  T434] PKRU: 55555554
[   64.496247][  T434] Call Trace:
[   64.496335][  T434]  <TASK>
[   64.496397][  T434]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.496517][  T434]  ? notifier_call_chain (kernel/notifier.c:85)
[   64.496635][  T434]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.496731][  T434]  netif_state_change (net/core/dev.c:1605)
[   64.496850][  T434]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   64.496999][  T434]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   64.497116][  T434]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   64.497240][  T434]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.497363][  T434]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   64.497481][  T434]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   64.497601][  T434]  process_one_work (kernel/workqueue.c:3314)
[   64.497727][  T434]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   64.497844][  T434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.497966][  T434]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   64.498085][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   64.498206][  T434]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   64.498326][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   64.498444][  T434]  kthread (kernel/kthread.c:436)
[   64.498535][  T434]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   64.498688][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   64.498806][  T434]  ret_from_fork (arch/x86/kernel/process.c:158)
[   64.498924][  T434]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   64.499070][  T434]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   64.499195][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   64.499313][  T434]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   64.675829][ T1664] ------------[ cut here ]------------
| [   64.676024][ T1664] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1664
| [   64.676346][ T1664] Modules linked in: xfrm_user nf_tables
| [   64.676871][ T1664] Tainted: [W]=WARN
[   64.677020][ T1664] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.677240][ T1664] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.677473][ T1664] 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
[   64.678011][ T1664] RSP: 0018:ffa000000235ee30 EFLAGS: 00010286
[   64.678236][ T1664] RAX: 00000000ffffffa6 RBX: ff1100000d0938c0 RCX: 1ff400000046bd8c
[   64.678487][ T1664] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d09397c
[   64.678822][ T1664] RBP: ff11000012481000 R08: 1fe2200001a12731 R09: ff1100000f87ae80
[   64.679134][ T1664] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   64.679447][ T1664] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fed2a80
[   64.679774][ T1664] FS:  00007f13d13f6840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   64.680114][ T1664] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.680394][ T1664] CR2: 00000000004eb188 CR3: 000000000d348002 CR4: 0000000000771ef0
[   64.680722][ T1664] PKRU: 55555554
[   64.680925][ T1664] Call Trace:
[   64.681162][ T1664]  <TASK>
[   64.681351][ T1664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.681628][ T1664]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.681902][ T1664]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.682140][ T1664]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   64.682414][ T1664]  __dev_notify_flags (net/core/dev.c:9787)
[   64.682684][ T1664]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   64.682943][ T1664]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   64.683121][ T1664]  ? netif_change_name (net/core/dev.c:1495)
[   64.683306][ T1664]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   64.683488][ T1664]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.683690][ T1664]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.683875][ T1664]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.684057][ T1664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.684242][ T1664]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   64.684424][ T1664]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   64.684615][ T1664]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   64.684804][ T1664]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   64.684989][ T1664]  veth_newlink (drivers/net/veth.c:1871)
[   64.685175][ T1664]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   64.685365][ T1664]  ? kasan_save_stack (mm/kasan/common.c:57)
[   64.685553][ T1664]  ? kasan_save_track (mm/kasan/common.c:78)
[   64.685746][ T1664]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   64.685942][ T1664]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   64.686122][ T1664]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   64.686316][ T1664]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   64.686506][ T1664]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   64.686706][ T1664]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   64.686891][ T1664]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   64.687075][ T1664]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   64.687264][ T1664]  ? __dev_get_by_name (net/core/dev.c:883)
[   64.687446][ T1664]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   64.687643][ T1664]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   64.687842][ T1664]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   64.688029][ T1664]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.688215][ T1664]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.688397][ T1664]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.688583][ T1664]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.688777][ T1664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.688962][ T1664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.689144][ T1664]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.689338][ T1664]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.689522][ T1664]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.689718][ T1664]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.689899][ T1664]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.690082][ T1664]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.690271][ T1664]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.690453][ T1664]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.690640][ T1664]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.690838][ T1664]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.691024][ T1664]  ? 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))
[   64.691211][ T1664]  ? 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))
[   64.691396][ T1664]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.691586][ T1664]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.691781][ T1664]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.691965][ T1664]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.692147][ T1664]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.692342][ T1664]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.692529][ T1664]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.692725][ T1664]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.692906][ T1664]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.693119][ T1664]  ? move_addr_to_kernel (net/socket.c:258)
[   64.693307][ T1664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.693488][ T1664]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   64.693691][ T1664]  ___sys_sendmsg (net/socket.c:2752)
[   64.693872][ T1664]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   64.694052][ T1664]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.694244][ T1664]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   64.694430][ T1664]  ? 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))
[   64.694620][ T1664]  __sys_sendmsg (net/socket.c:2784)
[   64.694813][ T1664]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.695002][ T1664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.695185][ T1664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.695375][ T1664]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.695563][ T1664]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.695757][ T1664]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.695939][ T1664]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.696151][ T1664] RIP: 0033:0x7f13d163008e
[   64.696346][ T1664] 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
[   64.696887][ T1664] RSP: 002b:00007ffcbbbc51e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.697134][ T1664] RAX: ffffffffffffffda RBX: 00007ffcbbbc5978 RCX: 00007f13d163008e
[   64.697386][ T1664] RDX: 0000000000000000 RSI: 00007ffcbbbc5290 RDI: 0000000000000005
[   64.697643][ T1664] RBP: 00007ffcbbbc51f0 R08: 0000000000000000 R09: 0000000000000000
[   64.697900][ T1664] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d86a
[   64.698145][ T1664] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcbbbc5950
| [   64.707098][ T1664] ------------[ cut here ]------------
| [   64.707254][ T1664] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1664
| [   64.707516][ T1664] Modules linked in: xfrm_user nf_tables
| [   64.707978][ T1664] Tainted: [W]=WARN
[   64.708077][ T1664] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.708247][ T1664] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.708476][ T1664] 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
[   64.709005][ T1664] RSP: 0018:ffa000000235f1b0 EFLAGS: 00010286
[   64.709172][ T1664] RAX: 00000000ffffffa6 RBX: ff110000100cd8c0 RCX: 1ff400000046bdfc
[   64.709372][ T1664] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000100cd97c
[   64.709570][ T1664] RBP: ff1100000ea31000 R08: 1fe2200002019b31 R09: ff1100000f87ae80
[   64.709824][ T1664] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   64.710020][ T1664] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   64.710225][ T1664] FS:  00007f13d13f6840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   64.710454][ T1664] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.710625][ T1664] CR2: 000055d4019f8958 CR3: 000000000d348005 CR4: 0000000000771ef0
[   64.710879][ T1664] PKRU: 55555554
[   64.710978][ T1664] Call Trace:
[   64.711075][ T1664]  <TASK>
[   64.711143][ T1664]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.711284][ T1664]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.711384][ T1664]  __dev_notify_flags (net/core/dev.c:9787)
[   64.711519][ T1664]  ? netif_change_name (net/core/dev.c:1495)
[   64.711706][ T1664]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   64.711838][ T1664]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   64.711972][ T1664]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   64.712105][ T1664]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   64.712244][ T1664]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   64.712375][ T1664]  ? __dev_get_by_name (net/core/dev.c:883)
[   64.712510][ T1664]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   64.712648][ T1664]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   64.712838][ T1664]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   64.712971][ T1664]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.713102][ T1664]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.713237][ T1664]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.713369][ T1664]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.713499][ T1664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.713639][ T1664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.713828][ T1664]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.713959][ T1664]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.714090][ T1664]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.714226][ T1664]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.714356][ T1664]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.714491][ T1664]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.714625][ T1664]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.714814][ T1664]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.714945][ T1664]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.715075][ T1664]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.715214][ T1664]  ? 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))
[   64.715345][ T1664]  ? 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))
[   64.715477][ T1664]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.715612][ T1664]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.715802][ T1664]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.715935][ T1664]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.716067][ T1664]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.716204][ T1664]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.716338][ T1664]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.716469][ T1664]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.716603][ T1664]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.716822][ T1664]  ? move_addr_to_kernel (net/socket.c:258)
[   64.716957][ T1664]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.717088][ T1664]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   64.717226][ T1664]  ___sys_sendmsg (net/socket.c:2752)
[   64.717357][ T1664]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   64.717489][ T1664]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.717629][ T1664]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   64.717818][ T1664]  ? 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))
[   64.717954][ T1664]  __sys_sendmsg (net/socket.c:2784)
[   64.718087][ T1664]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.718228][ T1664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.718359][ T1664]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.718492][ T1664]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.718626][ T1664]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.718810][ T1664]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.718942][ T1664]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.719107][ T1664] RIP: 0033:0x7f13d163008e
[   64.719250][ T1664] 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
[   64.719779][ T1664] RSP: 002b:00007ffcbbbc51e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.719976][ T1664] RAX: ffffffffffffffda RBX: 00007ffcbbbc5978 RCX: 00007f13d163008e
[   64.720173][ T1664] RDX: 0000000000000000 RSI: 00007ffcbbbc5290 RDI: 0000000000000005
[   64.720373][ T1664] RBP: 00007ffcbbbc51f0 R08: 0000000000000000 R09: 0000000000000000
[   64.720574][ T1664] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d86a
[   64.720828][ T1664] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcbbbc5950
| [   64.743057][   T64] ------------[ cut here ]------------
| [   64.743189][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/64
| [   64.743433][   T64] Modules linked in: xfrm_user nf_tables
| [   64.743850][   T64] Tainted: [W]=WARN
[   64.743940][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.744089][   T64] Workqueue: events_unbound linkwatch_event
[   64.744248][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.744402][   T64] 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
[   64.744838][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   64.744994][   T64] RAX: 00000000ffffffa6 RBX: ff110000100ccc80 RCX: 1ff400000008af02
[   64.745175][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000100ccd3c
[   64.745356][   T64] RBP: ff1100000f294000 R08: 1fe22000020199a9 R09: ff11000006100ba8
[   64.745536][   T64] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   64.745722][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   64.745901][   T64] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   64.746112][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.746267][   T64] CR2: 00007ffe3bb9ddf8 CR3: 0000000009a9c001 CR4: 0000000000771ef0
[   64.746447][   T64] PKRU: 55555554
[   64.746540][   T64] Call Trace:
[   64.746629][   T64]  <TASK>
[   64.746696][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.746816][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   64.746936][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.747027][   T64]  netif_state_change (net/core/dev.c:1605)
[   64.747149][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   64.747306][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   64.747424][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   64.747545][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.747742][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   64.747862][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   64.747982][   T64]  process_one_work (kernel/workqueue.c:3314)
[   64.748107][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   64.748233][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.748357][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   64.748479][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   64.748604][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   64.748779][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   64.748895][   T64]  kthread (kernel/kthread.c:436)
[   64.748987][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   64.749136][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   64.749261][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   64.749383][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   64.749536][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   64.749690][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   64.749817][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   64.842013][ T1668] ------------[ cut here ]------------
| [   64.842173][ T1668] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1668
| [   64.842442][ T1668] Modules linked in: xfrm_user nf_tables
| [   64.842864][ T1668] Tainted: [W]=WARN
[   64.842963][ T1668] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.843132][ T1668] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.843306][ T1668] 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
[   64.843780][ T1668] RSP: 0018:ffa000000231f020 EFLAGS: 00010286
[   64.843945][ T1668] RAX: 00000000ffffffa6 RBX: ff1100000f93ec80 RCX: 1ff4000000463dca
[   64.844138][ T1668] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f93ed3c
[   64.844334][ T1668] RBP: ff1100000ea31000 R08: 1fe2200001f27da9 R09: ff1100001298ae58
[   64.844535][ T1668] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   64.844737][ T1668] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   64.844932][ T1668] FS:  00007fc6e4552840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   64.845158][ T1668] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.845327][ T1668] CR2: 00007fc6e48221a0 CR3: 00000000134f9002 CR4: 0000000000771ef0
[   64.845529][ T1668] PKRU: 55555554
[   64.845625][ T1668] Call Trace:
[   64.845727][ T1668]  <TASK>
[   64.845794][ T1668]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.845927][ T1668]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.846026][ T1668]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   64.846157][ T1668]  __dev_notify_flags (net/core/dev.c:9787)
[   64.846297][ T1668]  ? netif_change_name (net/core/dev.c:1495)
[   64.846427][ T1668]  ? __dev_change_flags (net/core/dev.c:9752)
[   64.846563][ T1668]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   64.846698][ T1668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.846830][ T1668]  ? 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))
[   64.846964][ T1668]  netif_change_flags (net/core/dev.c:9820)
[   64.847097][ T1668]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   64.847235][ T1668]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   64.847368][ T1668]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   64.847502][ T1668]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   64.847670][ T1668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.847800][ T1668]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.847930][ T1668]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   64.848060][ T1668]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.848196][ T1668]  ? __kernel_text_address (kernel/extable.c:79)
[   64.848330][ T1668]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.848463][ T1668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.848597][ T1668]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   64.848825][ T1668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.848958][ T1668]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   64.849088][ T1668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.849226][ T1668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.849359][ T1668]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   64.849492][ T1668]  ? __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)
[   64.849625][ T1668]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   64.849823][ T1668]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   64.849955][ T1668]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   64.850089][ T1668]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   64.850228][ T1668]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   64.850364][ T1668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.850495][ T1668]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.850628][ T1668]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.850838][ T1668]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.850968][ T1668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.851100][ T1668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.851235][ T1668]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.851365][ T1668]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.851495][ T1668]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.851630][ T1668]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.851843][ T1668]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.851974][ T1668]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.852105][ T1668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.852239][ T1668]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.852371][ T1668]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.852506][ T1668]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.852639][ T1668]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.852846][ T1668]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.852977][ T1668]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.853110][ T1668]  ? 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))
[   64.853247][ T1668]  ? 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))
[   64.853378][ T1668]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.853512][ T1668]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.853645][ T1668]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.853863][ T1668]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.853995][ T1668]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.854127][ T1668]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.854265][ T1668]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.854396][ T1668]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.854530][ T1668]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.854762][ T1668]  ? move_addr_to_kernel (net/socket.c:258)
[   64.854895][ T1668]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.855025][ T1668]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.855155][ T1668]  ___sys_sendmsg (net/socket.c:2752)
[   64.855292][ T1668]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   64.855454][ T1668]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.855601][ T1668]  __sys_sendmsg (net/socket.c:2784)
[   64.855737][ T1668]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.855868][ T1668]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   64.856032][ T1668]  ? 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)
[   64.856163][ T1668]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.856299][ T1668]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.856428][ T1668]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.856561][ T1668]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.856696][ T1668]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.856857][ T1668] RIP: 0033:0x7fc6e478c08e
[   64.856995][ T1668] 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
[   64.857462][ T1668] RSP: 002b:00007fff23c6c8e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.857666][ T1668] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc6e478c08e
[   64.857862][ T1668] RDX: 0000000000000000 RSI: 00007fff23c6c990 RDI: 0000000000000005
[   64.858057][ T1668] RBP: 00007fff23c6c8f0 R08: 0000000000000000 R09: 0000000000000000
[   64.858255][ T1668] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d86b
[   64.858448][ T1668] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff23c6d050
| [   64.963297][ T1672] ------------[ cut here ]------------
| [   64.963480][ T1672] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1672
| [   64.963797][ T1672] Modules linked in: xfrm_user nf_tables
| [   64.964298][ T1672] Tainted: [W]=WARN
[   64.964441][ T1672] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.964668][ T1672] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.964881][ T1672] 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
[   64.965391][ T1672] RSP: 0018:ffa000000237f020 EFLAGS: 00010286
[   64.965610][ T1672] RAX: 00000000ffffffa6 RBX: ff1100000b72c900 RCX: 1ff400000046fdca
[   64.965861][ T1672] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72c9bc
[   64.966100][ T1672] RBP: ff11000012481000 R08: 1fe22000016e5939 R09: ff1100000fa70b58
[   64.966348][ T1672] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   64.966592][ T1672] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   64.966845][ T1672] FS:  00007f8d9610d840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   64.967117][ T1672] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.967334][ T1672] CR2: 0000000029852988 CR3: 0000000012df5006 CR4: 0000000000771ef0
[   64.967582][ T1672] PKRU: 55555554
[   64.967735][ T1672] Call Trace:
[   64.967878][ T1672]  <TASK>
[   64.967991][ T1672]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.968169][ T1672]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.968321][ T1672]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   64.968498][ T1672]  __dev_notify_flags (net/core/dev.c:9787)
[   64.968697][ T1672]  ? netif_change_name (net/core/dev.c:1495)
[   64.968873][ T1672]  ? __dev_change_flags (net/core/dev.c:9752)
[   64.969051][ T1672]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   64.969235][ T1672]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.969413][ T1672]  ? 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))
[   64.969598][ T1672]  netif_change_flags (net/core/dev.c:9820)
[   64.969789][ T1672]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   64.969966][ T1672]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   64.970146][ T1672]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   64.970331][ T1672]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   64.970543][ T1672]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   64.970732][ T1672]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.970908][ T1672]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   64.971084][ T1672]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.971268][ T1672]  ? __kernel_text_address (kernel/extable.c:79)
[   64.971446][ T1672]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.971631][ T1672]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.971822][ T1672]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   64.971998][ T1672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.972174][ T1672]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   64.972357][ T1672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.972536][ T1672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.972725][ T1672]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   64.972902][ T1672]  ? __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)
[   64.973077][ T1672]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   64.973263][ T1672]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   64.973445][ T1672]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   64.973632][ T1672]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   64.973823][ T1672]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   64.974001][ T1672]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.974176][ T1672]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.974360][ T1672]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.974538][ T1672]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   64.974726][ T1672]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.974906][ T1672]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.975080][ T1672]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.975265][ T1672]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.975444][ T1672]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   64.975628][ T1672]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   64.975817][ T1672]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   64.975995][ T1672]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.976170][ T1672]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.976356][ T1672]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.976537][ T1672]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.976726][ T1672]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   64.976902][ T1672]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   64.977077][ T1672]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   64.977264][ T1672]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   64.977446][ T1672]  ? 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))
[   64.977632][ T1672]  ? 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))
[   64.977823][ T1672]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   64.978001][ T1672]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.978270][ T1672]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   64.978448][ T1672]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   64.978634][ T1672]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   64.978910][ T1672]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   64.979088][ T1672]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   64.979272][ T1672]  ? copy_msghdr_from_user (net/socket.c:2635)
[   64.979450][ T1672]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   64.979759][ T1672]  ? move_addr_to_kernel (net/socket.c:258)
[   64.979938][ T1672]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   64.980113][ T1672]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   64.980297][ T1672]  ___sys_sendmsg (net/socket.c:2752)
[   64.980565][ T1672]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   64.980785][ T1672]  ? copy_msghdr_from_user (net/socket.c:2603)
[   64.980977][ T1672]  __sys_sendmsg (net/socket.c:2784)
[   64.981153][ T1672]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   64.981422][ T1672]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   64.981641][ T1672]  ? 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)
[   64.981829][ T1672]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   64.982006][ T1672]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   64.982272][ T1672]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   64.982450][ T1672]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   64.982635][ T1672]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   64.982938][ T1672] RIP: 0033:0x7f8d9634708e
[   64.983119][ T1672] 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
[   64.983735][ T1672] RSP: 002b:00007ffcb47f8ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   64.983977][ T1672] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8d9634708e
[   64.984220][ T1672] RDX: 0000000000000000 RSI: 00007ffcb47f8f50 RDI: 0000000000000005
[   64.984551][ T1672] RBP: 00007ffcb47f8eb0 R08: 0000000000000000 R09: 0000000000000000
[   64.984806][ T1672] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d86b
[   64.985047][ T1672] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb47f9610
| [   64.987934][  T434] ------------[ cut here ]------------
| [   64.988066][  T434] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 2/434
| [   64.988305][  T434] Modules linked in: xfrm_user nf_tables
| [   64.988710][  T434] Tainted: [W]=WARN
[   64.988799][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.988947][  T434] Workqueue: events_unbound linkwatch_event
[   64.989099][  T434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.989258][  T434] 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
[   64.989703][  T434] RSP: 0018:ffa0000000e879e0 EFLAGS: 00010286
[   64.989853][  T434] RAX: 00000000ffffffa6 RBX: ff1100000b72d000 RCX: 1ff40000001d0f02
[   64.990029][  T434] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72d0bc
[   64.990207][  T434] RBP: ff11000012481000 R08: 1fe22000016e5a19 R09: ff110000100f2ea8
[   64.990382][  T434] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   64.990566][  T434] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   64.990748][  T434] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   64.990953][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.991099][  T434] CR2: 000055d3d5b6bd5c CR3: 000000001542b005 CR4: 0000000000771ef0
[   64.991361][  T434] PKRU: 55555554
[   64.991449][  T434] Call Trace:
[   64.991540][  T434]  <TASK>
[   64.991601][  T434]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   64.991723][  T434]  ? notifier_call_chain (kernel/notifier.c:85)
[   64.991914][  T434]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   64.992005][  T434]  netif_state_change (net/core/dev.c:1605)
[   64.992123][  T434]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   64.992279][  T434]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   64.992475][  T434]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   64.992596][  T434]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   64.992722][  T434]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   64.992838][  T434]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   64.993029][  T434]  process_one_work (kernel/workqueue.c:3314)
[   64.993151][  T434]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   64.993275][  T434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   64.993398][  T434]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   64.993596][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   64.993718][  T434]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   64.993838][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   64.993955][  T434]  kthread (kernel/kthread.c:436)
[   64.994118][  T434]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   64.994274][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   64.994393][  T434]  ret_from_fork (arch/x86/kernel/process.c:158)
[   64.994514][  T434]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   64.994741][  T434]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   64.994860][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   64.994983][  T434]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   64.996725][  T434] ------------[ cut here ]------------
| [   64.996852][  T434] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 2/434
| [   64.997090][  T434] Modules linked in: xfrm_user nf_tables
| [   64.997489][  T434] Tainted: [W]=WARN
[   64.997582][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   64.997739][  T434] Workqueue: events_unbound linkwatch_event
[   64.997895][  T434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   64.998047][  T434] 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
[   64.998483][  T434] RSP: 0018:ffa0000000e879e0 EFLAGS: 00010286
[   64.998633][  T434] RAX: 00000000ffffffa6 RBX: ff1100000b72d700 RCX: 1ff40000001d0f02
[   64.998826][  T434] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72d7bc
[   64.999002][  T434] RBP: ff1100000ea31000 R08: 1fe22000016e5af9 R09: ff110000100f2ea8
[   64.999176][  T434] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   64.999365][  T434] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   64.999544][  T434] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   64.999760][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   64.999907][  T434] CR2: 00007ffe3bb9dff8 CR3: 0000000009a9c001 CR4: 0000000000771ef0
[   65.000160][  T434] PKRU: 55555554
[   65.000253][  T434] Call Trace:
[   65.000340][  T434]  <TASK>
[   65.000401][  T434]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   65.000603][  T434]  ? notifier_call_chain (kernel/notifier.c:85)
[   65.000726][  T434]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   65.000816][  T434]  netif_state_change (net/core/dev.c:1605)
[   65.000934][  T434]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   65.001155][  T434]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   65.001278][  T434]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   65.001396][  T434]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.001519][  T434]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   65.001637][  T434]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   65.001763][  T434]  process_one_work (kernel/workqueue.c:3314)
[   65.001885][  T434]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   65.002002][  T434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.002204][  T434]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   65.002324][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   65.002441][  T434]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   65.002563][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   65.002688][  T434]  kthread (kernel/kthread.c:436)
[   65.002777][  T434]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   65.002924][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   65.003044][  T434]  ret_from_fork (arch/x86/kernel/process.c:158)
[   65.003163][  T434]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   65.003316][  T434]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   65.003435][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[   65.003559][  T434]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   65.174190][ T1680] ------------[ cut here ]------------
| [   65.174357][ T1680] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1680
| [   65.174635][ T1680] Modules linked in: xfrm_user nf_tables
| [   65.175056][ T1680] Tainted: [W]=WARN
[   65.175157][ T1680] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.175330][ T1680] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.175512][ T1680] 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
[   65.176003][ T1680] RSP: 0018:ffa000000237ee30 EFLAGS: 00010286
[   65.176173][ T1680] RAX: 00000000ffffffa6 RBX: ff1100000b885540 RCX: 1ff400000046fd8c
[   65.176379][ T1680] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8855fc
[   65.176585][ T1680] RBP: ff11000009949000 R08: 1fe2200001710ac1 R09: ff1100000f250b80
[   65.176791][ T1680] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   65.176992][ T1680] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009055900
[   65.177200][ T1680] FS:  00007faf7b588840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   65.177440][ T1680] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.177612][ T1680] CR2: 00000000004eb188 CR3: 000000000ff77004 CR4: 0000000000771ef0
[   65.177821][ T1680] PKRU: 55555554
[   65.177923][ T1680] Call Trace:
[   65.178025][ T1680]  <TASK>
[   65.178095][ T1680]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   65.178238][ T1680]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   65.178341][ T1680]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   65.178513][ T1680]  __dev_notify_flags (net/core/dev.c:9787)
[   65.178649][ T1680]  ? netif_change_name (net/core/dev.c:1495)
[   65.178792][ T1680]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   65.178927][ T1680]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   65.179061][ T1680]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   65.179203][ T1680]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   65.179339][ T1680]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.179477][ T1680]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   65.179617][ T1680]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   65.179758][ T1680]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   65.179893][ T1680]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   65.180028][ T1680]  veth_newlink (drivers/net/veth.c:1871)
[   65.180165][ T1680]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   65.180302][ T1680]  ? kasan_save_stack (mm/kasan/common.c:57)
[   65.180436][ T1680]  ? kasan_save_track (mm/kasan/common.c:78)
[   65.180574][ T1680]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   65.180731][ T1680]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   65.180865][ T1680]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   65.181002][ T1680]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   65.181136][ T1680]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   65.181277][ T1680]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   65.181413][ T1680]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   65.181551][ T1680]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   65.181691][ T1680]  ? __dev_get_by_name (net/core/dev.c:883)
[   65.181827][ T1680]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   65.181967][ T1680]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   65.182106][ T1680]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   65.182246][ T1680]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.182381][ T1680]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.182517][ T1680]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.182657][ T1680]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.182794][ T1680]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.182933][ T1680]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.183069][ T1680]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.183207][ T1680]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   65.183342][ T1680]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.183478][ T1680]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.183616][ T1680]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.183759][ T1680]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.183892][ T1680]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.184029][ T1680]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   65.184162][ T1680]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.184302][ T1680]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.184441][ T1680]  ? 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))
[   65.184578][ T1680]  ? 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))
[   65.184723][ T1680]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.184858][ T1680]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.184992][ T1680]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.185129][ T1680]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   65.185269][ T1680]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   65.185405][ T1680]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   65.185546][ T1680]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   65.185688][ T1680]  ? copy_msghdr_from_user (net/socket.c:2635)
[   65.185823][ T1680]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   65.185989][ T1680]  ? move_addr_to_kernel (net/socket.c:258)
[   65.186125][ T1680]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.186265][ T1680]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   65.186400][ T1680]  ___sys_sendmsg (net/socket.c:2752)
[   65.186536][ T1680]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   65.186679][ T1680]  ? copy_msghdr_from_user (net/socket.c:2603)
[   65.186819][ T1680]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   65.186957][ T1680]  ? 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))
[   65.187094][ T1680]  __sys_sendmsg (net/socket.c:2784)
[   65.187236][ T1680]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   65.187374][ T1680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.187512][ T1680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.187648][ T1680]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   65.187793][ T1680]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   65.187928][ T1680]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   65.188063][ T1680]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.188237][ T1680] RIP: 0033:0x7faf7b7c208e
[   65.188378][ T1680] 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
[   65.188864][ T1680] RSP: 002b:00007fff67390020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.189065][ T1680] RAX: ffffffffffffffda RBX: 00007fff673907b8 RCX: 00007faf7b7c208e
[   65.189273][ T1680] RDX: 0000000000000000 RSI: 00007fff673900d0 RDI: 0000000000000005
[   65.189475][ T1680] RBP: 00007fff67390030 R08: 0000000000000000 R09: 0000000000000000
[   65.189687][ T1680] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d86b
[   65.189890][ T1680] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff67390790
| [   65.202116][ T1680] ------------[ cut here ]------------
| [   65.202269][ T1680] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1680
| [   65.202538][ T1680] Modules linked in: xfrm_user nf_tables
| [   65.203477][ T1680] Tainted: [W]=WARN
[   65.203580][ T1680] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.203807][ T1680] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.203981][ T1680] 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
[   65.204465][ T1680] RSP: 0018:ffa000000237f1b0 EFLAGS: 00010286
[   65.204637][ T1680] RAX: 00000000ffffffa6 RBX: ff1100000a118ac0 RCX: 1ff400000046fdfc
[   65.204894][ T1680] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a118b7c
[   65.205093][ T1680] RBP: ff1100000f1a4000 R08: 1fe2200001423171 R09: ff1100000f250b80
[   65.205297][ T1680] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   65.205496][ T1680] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   65.205756][ T1680] FS:  00007faf7b588840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   65.205989][ T1680] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.206157][ T1680] CR2: 00000000004eb188 CR3: 000000000ff77004 CR4: 0000000000771ef0
[   65.206362][ T1680] PKRU: 55555554
[   65.206461][ T1680] Call Trace:
[   65.206564][ T1680]  <TASK>
[   65.206634][ T1680]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   65.206829][ T1680]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   65.206931][ T1680]  __dev_notify_flags (net/core/dev.c:9787)
[   65.207067][ T1680]  ? netif_change_name (net/core/dev.c:1495)
[   65.207207][ T1680]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   65.207342][ T1680]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   65.207478][ T1680]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   65.207615][ T1680]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   65.207808][ T1680]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   65.207941][ T1680]  ? __dev_get_by_name (net/core/dev.c:883)
[   65.208074][ T1680]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   65.208217][ T1680]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   65.208356][ T1680]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   65.208492][ T1680]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.208629][ T1680]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.208817][ T1680]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.208950][ T1680]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.209081][ T1680]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.209225][ T1680]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.209359][ T1680]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.209495][ T1680]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   65.209632][ T1680]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.209821][ T1680]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.209955][ T1680]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.210090][ T1680]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.210231][ T1680]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.210365][ T1680]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   65.210498][ T1680]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.210635][ T1680]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.210829][ T1680]  ? 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))
[   65.210962][ T1680]  ? 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))
[   65.211098][ T1680]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.211239][ T1680]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.211375][ T1680]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.211512][ T1680]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   65.211646][ T1680]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   65.211839][ T1680]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   65.211975][ T1680]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   65.212107][ T1680]  ? copy_msghdr_from_user (net/socket.c:2635)
[   65.212244][ T1680]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   65.212407][ T1680]  ? move_addr_to_kernel (net/socket.c:258)
[   65.212547][ T1680]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.212737][ T1680]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   65.212871][ T1680]  ___sys_sendmsg (net/socket.c:2752)
[   65.213003][ T1680]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   65.213136][ T1680]  ? copy_msghdr_from_user (net/socket.c:2603)
[   65.213277][ T1680]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   65.213413][ T1680]  ? 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))
[   65.213552][ T1680]  __sys_sendmsg (net/socket.c:2784)
[   65.213744][ T1680]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   65.213881][ T1680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.214014][ T1680]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.214149][ T1680]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   65.214288][ T1680]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   65.214420][ T1680]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   65.214558][ T1680]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.214782][ T1680] RIP: 0033:0x7faf7b7c208e
[   65.214924][ T1680] 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
[   65.215401][ T1680] RSP: 002b:00007fff67390020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.215607][ T1680] RAX: ffffffffffffffda RBX: 00007fff673907b8 RCX: 00007faf7b7c208e
[   65.215865][ T1680] RDX: 0000000000000000 RSI: 00007fff673900d0 RDI: 0000000000000005
[   65.216062][ T1680] RBP: 00007fff67390030 R08: 0000000000000000 R09: 0000000000000000
[   65.216267][ T1680] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d86b
[   65.216466][ T1680] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff67390790
| [   65.328295][ T1684] ------------[ cut here ]------------
| [   65.328443][ T1684] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1684
| [   65.328720][ T1684] Modules linked in: xfrm_user nf_tables
| [   65.329115][ T1684] Tainted: [W]=WARN
[   65.329217][ T1684] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.329378][ T1684] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.329549][ T1684] 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
[   65.330012][ T1684] RSP: 0018:ffa000000237f020 EFLAGS: 00010286
[   65.330175][ T1684] RAX: 00000000ffffffa6 RBX: ff110000101b71c0 RCX: 1ff400000046fdca
[   65.330372][ T1684] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b727c
[   65.330569][ T1684] RBP: ff1100000f1a4000 R08: 1fe2200002036e51 R09: ff11000009912e58
[   65.330767][ T1684] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   65.330958][ T1684] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   65.331150][ T1684] FS:  00007eff2603e840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   65.331387][ T1684] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.331552][ T1684] CR2: 0000000027046988 CR3: 000000000e460002 CR4: 0000000000771ef0
[   65.331751][ T1684] PKRU: 55555554
[   65.331849][ T1684] Call Trace:
[   65.331946][ T1684]  <TASK>
[   65.332014][ T1684]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   65.332144][ T1684]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   65.332249][ T1684]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   65.332379][ T1684]  __dev_notify_flags (net/core/dev.c:9787)
[   65.332513][ T1684]  ? netif_change_name (net/core/dev.c:1495)
[   65.332642][ T1684]  ? __dev_change_flags (net/core/dev.c:9752)
[   65.332778][ T1684]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   65.332907][ T1684]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.333038][ T1684]  ? 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))
[   65.333171][ T1684]  netif_change_flags (net/core/dev.c:9820)
[   65.333304][ T1684]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   65.333433][ T1684]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   65.333568][ T1684]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   65.333702][ T1684]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   65.333866][ T1684]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.333994][ T1684]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.334122][ T1684]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   65.334255][ T1684]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.334385][ T1684]  ? __kernel_text_address (kernel/extable.c:79)
[   65.334516][ T1684]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.334649][ T1684]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.334783][ T1684]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   65.334913][ T1684]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.335044][ T1684]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   65.335172][ T1684]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.335304][ T1684]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.335433][ T1684]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   65.335568][ T1684]  ? __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)
[   65.336365][ T1684]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   65.336497][ T1684]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   65.336633][ T1684]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   65.336821][ T1684]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   65.336954][ T1684]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   65.337085][ T1684]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.337220][ T1684]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.337348][ T1684]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.337477][ T1684]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.337609][ T1684]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.337796][ T1684]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.337956][ T1684]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.338086][ T1684]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.338220][ T1684]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.338350][ T1684]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.338480][ T1684]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   65.338612][ T1684]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.338747][ T1684]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.338876][ T1684]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.339009][ T1684]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.339137][ T1684]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.339273][ T1684]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   65.339401][ T1684]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.339535][ T1684]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.339672][ T1684]  ? 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))
[   65.339802][ T1684]  ? 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))
[   65.339935][ T1684]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.340066][ T1684]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.340200][ T1684]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.340332][ T1684]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   65.340463][ T1684]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   65.340597][ T1684]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   65.340731][ T1684]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   65.340861][ T1684]  ? copy_msghdr_from_user (net/socket.c:2635)
[   65.340992][ T1684]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   65.341151][ T1684]  ? move_addr_to_kernel (net/socket.c:258)
[   65.341287][ T1684]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.341419][ T1684]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.341551][ T1684]  ___sys_sendmsg (net/socket.c:2752)
[   65.341685][ T1684]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   65.341847][ T1684]  ? copy_msghdr_from_user (net/socket.c:2603)
[   65.341989][ T1684]  __sys_sendmsg (net/socket.c:2784)
[   65.342119][ T1684]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   65.342253][ T1684]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   65.342417][ T1684]  ? 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)
[   65.342548][ T1684]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.342686][ T1684]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   65.342814][ T1684]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   65.342944][ T1684]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   65.343086][ T1684]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.343252][ T1684] RIP: 0033:0x7eff2627808e
[   65.343388][ T1684] 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
[   65.343862][ T1684] RSP: 002b:00007ffc94ff51c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.344059][ T1684] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007eff2627808e
[   65.344258][ T1684] RDX: 0000000000000000 RSI: 00007ffc94ff5270 RDI: 0000000000000005
[   65.344453][ T1684] RBP: 00007ffc94ff51d0 R08: 0000000000000000 R09: 0000000000000000
[   65.344649][ T1684] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d86b
[   65.344849][ T1684] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc94ff5930
| [   65.449825][ T1688] ------------[ cut here ]------------
| [   65.449975][ T1688] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1688
| [   65.450237][ T1688] Modules linked in: xfrm_user nf_tables
| [   65.450635][ T1688] Tainted: [W]=WARN
[   65.450745][ T1688] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.450904][ T1688] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.451070][ T1688] 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
[   65.451531][ T1688] RSP: 0018:ffa00000023cf020 EFLAGS: 00010286
[   65.451697][ T1688] RAX: 00000000ffffffa6 RBX: ff1100000dda8900 RCX: 1ff4000000479dca
[   65.451891][ T1688] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda89bc
[   65.452081][ T1688] RBP: ff11000009949000 R08: 1fe2200001bb5139 R09: ff1100000df25158
[   65.452277][ T1688] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   65.452465][ T1688] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   65.452665][ T1688] FS:  00007f14e0ac6840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   65.452889][ T1688] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.453048][ T1688] CR2: 00000000130a7988 CR3: 0000000014d4e002 CR4: 0000000000771ef0
[   65.453246][ T1688] PKRU: 55555554
[   65.453342][ T1688] Call Trace:
[   65.453438][ T1688]  <TASK>
[   65.453508][ T1688]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   65.453638][ T1688]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   65.453800][ T1688]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   65.453931][ T1688]  __dev_notify_flags (net/core/dev.c:9787)
[   65.454061][ T1688]  ? netif_change_name (net/core/dev.c:1495)
[   65.454190][ T1688]  ? __dev_change_flags (net/core/dev.c:9752)
[   65.454325][ T1688]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   65.454453][ T1688]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.454590][ T1688]  ? 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))
[   65.454789][ T1688]  netif_change_flags (net/core/dev.c:9820)
[   65.454918][ T1688]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   65.455045][ T1688]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   65.455175][ T1688]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   65.455311][ T1688]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   65.455470][ T1688]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.455603][ T1688]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.455809][ T1688]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   65.456000][ T1688]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.456129][ T1688]  ? __kernel_text_address (kernel/extable.c:79)
[   65.456264][ T1688]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.456395][ T1688]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.456527][ T1688]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   65.456724][ T1688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.456852][ T1688]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   65.456980][ T1688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.457109][ T1688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.457241][ T1688]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   65.457370][ T1688]  ? __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)
[   65.457498][ T1688]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   65.457630][ T1688]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   65.457767][ T1688]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   65.457897][ T1688]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   65.458029][ T1688]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   65.458159][ T1688]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.458295][ T1688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.458422][ T1688]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.458551][ T1688]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.458684][ T1688]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.458816][ T1688]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.458943][ T1688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.459070][ T1688]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.459201][ T1688]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.459332][ T1688]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.459460][ T1688]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   65.459593][ T1688]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.459729][ T1688]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.459856][ T1688]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.459986][ T1688]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.460114][ T1688]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.460248][ T1688]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   65.460375][ T1688]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.460507][ T1688]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.460638][ T1688]  ? 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))
[   65.460772][ T1688]  ? 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))
[   65.460903][ T1688]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.461033][ T1688]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.461160][ T1688]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.461297][ T1688]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   65.461426][ T1688]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   65.461561][ T1688]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   65.461698][ T1688]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   65.461826][ T1688]  ? copy_msghdr_from_user (net/socket.c:2635)
[   65.461953][ T1688]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   65.462112][ T1688]  ? move_addr_to_kernel (net/socket.c:258)
[   65.462247][ T1688]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.462374][ T1688]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.462506][ T1688]  ___sys_sendmsg (net/socket.c:2752)
[   65.462635][ T1688]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   65.462799][ T1688]  ? copy_msghdr_from_user (net/socket.c:2603)
[   65.462938][ T1688]  __sys_sendmsg (net/socket.c:2784)
[   65.463066][ T1688]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   65.463200][ T1688]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   65.463362][ T1688]  ? 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)
[   65.463492][ T1688]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.463626][ T1688]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   65.463760][ T1688]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   65.463886][ T1688]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   65.464014][ T1688]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.464173][ T1688] RIP: 0033:0x7f14e0d0008e
[   65.464311][ T1688] 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
[   65.464777][ T1688] RSP: 002b:00007ffefe6695e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.464970][ T1688] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f14e0d0008e
[   65.465162][ T1688] RDX: 0000000000000000 RSI: 00007ffefe669690 RDI: 0000000000000005
[   65.465357][ T1688] RBP: 00007ffefe6695f0 R08: 0000000000000000 R09: 0000000000000000
[   65.465551][ T1688] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d86b
[   65.465748][ T1688] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffefe669d50
| [   65.467877][   T73] ------------[ cut here ]------------
| [   65.467997][   T73] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 2/73
| [   65.468234][   T73] Modules linked in: xfrm_user nf_tables
| [   65.468631][   T73] Tainted: [W]=WARN
[   65.468726][   T73] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.468875][   T73] Workqueue: events_unbound linkwatch_event
[   65.469028][   T73] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.469180][   T73] 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
[   65.469618][   T73] RSP: 0018:ffa00000004e79e0 EFLAGS: 00010286
[   65.469782][   T73] RAX: 00000000ffffffa6 RBX: ff1100000ab7e900 RCX: 1ff400000009cf02
[   65.469960][   T73] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab7e9bc
[   65.470137][   T73] RBP: ff11000009949000 R08: 1fe220000156fd39 R09: ff11000009c58ba8
[   65.470322][   T73] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   65.470497][   T73] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   65.470683][   T73] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   65.470890][   T73] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.471043][   T73] CR2: 00000000130a7988 CR3: 000000004994d003 CR4: 0000000000771ef0
[   65.471226][   T73] PKRU: 55555554
[   65.471314][   T73] Call Trace:
[   65.471401][   T73]  <TASK>
[   65.471463][   T73]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   65.471586][   T73]  ? notifier_call_chain (kernel/notifier.c:85)
[   65.471711][   T73]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   65.471806][   T73]  netif_state_change (net/core/dev.c:1605)
[   65.471925][   T73]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   65.472074][   T73]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   65.472191][   T73]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   65.472314][   T73]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.472435][   T73]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   65.472561][   T73]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   65.472685][   T73]  process_one_work (kernel/workqueue.c:3314)
[   65.472809][   T73]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   65.472926][   T73]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.473048][   T73]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   65.473166][   T73]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   65.473288][   T73]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   65.473407][   T73]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   65.473529][   T73]  kthread (kernel/kthread.c:436)
[   65.473620][   T73]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   65.473771][   T73]  ? kthread_affine_node (kernel/kthread.c:378)
[   65.473889][   T73]  ret_from_fork (arch/x86/kernel/process.c:158)
[   65.474009][   T73]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   65.474155][   T73]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   65.474279][   T73]  ? kthread_affine_node (kernel/kthread.c:378)
[   65.474398][   T73]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   65.476907][   T73] ------------[ cut here ]------------
| [   65.477071][   T73] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 2/73
| [   65.477363][   T73] Modules linked in: xfrm_user nf_tables
| [   65.477880][   T73] Tainted: [W]=WARN
[   65.478016][   T73] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.478218][   T73] Workqueue: events_unbound linkwatch_event
[   65.478417][   T73] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.478628][   T73] 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
[   65.479107][   T73] RSP: 0018:ffa00000004e79e0 EFLAGS: 00010286
[   65.479312][   T73] RAX: 00000000ffffffa6 RBX: ff1100000badcc80 RCX: 1ff400000009cf02
[   65.479543][   T73] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000badcd3c
[   65.479781][   T73] RBP: ff1100000f1a4000 R08: 1fe220000175b9a9 R09: ff11000009c58ba8
[   65.480004][   T73] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   65.480233][   T73] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   65.480459][   T73] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   65.480743][   T73] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.480939][   T73] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   65.481163][   T73] PKRU: 55555554
[   65.481302][   T73] Call Trace:
[   65.481437][   T73]  <TASK>
[   65.481552][   T73]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   65.481734][   T73]  ? notifier_call_chain (kernel/notifier.c:85)
[   65.481909][   T73]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   65.482049][   T73]  netif_state_change (net/core/dev.c:1605)
[   65.482223][   T73]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   65.482420][   T73]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   65.482594][   T73]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   65.482774][   T73]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.482943][   T73]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   65.483109][   T73]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   65.483284][   T73]  process_one_work (kernel/workqueue.c:3314)
[   65.483456][   T73]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   65.483633][   T73]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.483836][   T73]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   65.484013][   T73]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   65.484179][   T73]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   65.484353][   T73]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   65.484522][   T73]  kthread (kernel/kthread.c:436)
[   65.484673][   T73]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   65.484867][   T73]  ? kthread_affine_node (kernel/kthread.c:378)
[   65.485035][   T73]  ret_from_fork (arch/x86/kernel/process.c:158)
[   65.485210][   T73]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   65.485406][   T73]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   65.485582][   T73]  ? kthread_affine_node (kernel/kthread.c:378)
[   65.485763][   T73]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   65.662397][ T1696] ------------[ cut here ]------------
| [   65.662590][ T1696] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1696
| [   65.662919][ T1696] Modules linked in: xfrm_user nf_tables
| [   65.663436][ T1696] Tainted: [W]=WARN
[   65.663592][ T1696] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.663821][ T1696] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.664043][ T1696] 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
[   65.664576][ T1696] RSP: 0018:ffa000000225ee30 EFLAGS: 00010286
[   65.664803][ T1696] RAX: 00000000ffffffa6 RBX: ff110000050e71c0 RCX: 1ff400000044bd8c
[   65.665049][ T1696] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000050e727c
[   65.665304][ T1696] RBP: ff1100000f07c000 R08: 1fe2200000a1ce51 R09: ff11000008e6d180
[   65.665558][ T1696] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   65.665821][ T1696] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f3c0400
[   65.666071][ T1696] FS:  00007f01ecae8840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   65.666363][ T1696] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.666586][ T1696] CR2: 00000000004eb188 CR3: 000000000f28f002 CR4: 0000000000771ef0
[   65.666848][ T1696] PKRU: 55555554
[   65.666995][ T1696] Call Trace:
[   65.667141][ T1696]  <TASK>
[   65.667268][ T1696]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   65.667454][ T1696]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   65.667614][ T1696]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   65.667837][ T1696]  __dev_notify_flags (net/core/dev.c:9787)
[   65.668022][ T1696]  ? netif_change_name (net/core/dev.c:1495)
[   65.668209][ T1696]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   65.668393][ T1696]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   65.668581][ T1696]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   65.668777][ T1696]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   65.668961][ T1696]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.669145][ T1696]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   65.669339][ T1696]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   65.669526][ T1696]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   65.669720][ T1696]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   65.669904][ T1696]  veth_newlink (drivers/net/veth.c:1871)
[   65.670088][ T1696]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   65.670278][ T1696]  ? kasan_save_stack (mm/kasan/common.c:57)
[   65.670461][ T1696]  ? kasan_save_track (mm/kasan/common.c:78)
[   65.670649][ T1696]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   65.670876][ T1696]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   65.671058][ T1696]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   65.671246][ T1696]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   65.671429][ T1696]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   65.671621][ T1696]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   65.671820][ T1696]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   65.672004][ T1696]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   65.672184][ T1696]  ? __dev_get_by_name (net/core/dev.c:883)
[   65.672373][ T1696]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   65.672567][ T1696]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   65.672765][ T1696]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   65.672948][ T1696]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.673132][ T1696]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.673323][ T1696]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.673505][ T1696]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.673701][ T1696]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.673887][ T1696]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.674069][ T1696]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.674258][ T1696]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   65.674440][ T1696]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.674629][ T1696]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.674824][ T1696]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.675007][ T1696]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.675186][ T1696]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.675376][ T1696]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   65.675565][ T1696]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.675760][ T1696]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.675944][ T1696]  ? 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))
[   65.676127][ T1696]  ? 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))
[   65.676319][ T1696]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.676507][ T1696]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.676704][ T1696]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.676887][ T1696]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   65.677069][ T1696]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   65.677259][ T1696]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   65.677444][ T1696]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   65.677635][ T1696]  ? copy_msghdr_from_user (net/socket.c:2635)
[   65.677827][ T1696]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   65.678038][ T1696]  ? move_addr_to_kernel (net/socket.c:258)
[   65.678227][ T1696]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.678410][ T1696]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   65.678600][ T1696]  ___sys_sendmsg (net/socket.c:2752)
[   65.678798][ T1696]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   65.678979][ T1696]  ? copy_msghdr_from_user (net/socket.c:2603)
[   65.679163][ T1696]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   65.679355][ T1696]  ? 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))
[   65.679543][ T1696]  __sys_sendmsg (net/socket.c:2784)
[   65.679738][ T1696]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   65.679922][ T1696]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.680103][ T1696]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.680297][ T1696]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   65.680477][ T1696]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   65.680675][ T1696]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   65.680858][ T1696]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.681071][ T1696] RIP: 0033:0x7f01ecd2208e
[   65.681267][ T1696] 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
[   65.681805][ T1696] RSP: 002b:00007ffc95ddf3b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.682054][ T1696] RAX: ffffffffffffffda RBX: 00007ffc95ddfb48 RCX: 00007f01ecd2208e
[   65.682306][ T1696] RDX: 0000000000000000 RSI: 00007ffc95ddf460 RDI: 0000000000000005
[   65.682557][ T1696] RBP: 00007ffc95ddf3c0 R08: 0000000000000000 R09: 0000000000000000
[   65.682819][ T1696] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d86b
[   65.683064][ T1696] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc95ddfb20
| [   65.690933][ T1696] ------------[ cut here ]------------
| [   65.691112][ T1696] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1696
| [   65.691429][ T1696] Modules linked in: xfrm_user nf_tables
| [   65.692461][ T1696] Tainted: [W]=WARN
[   65.692698][ T1696] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.692966][ T1696] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.693249][ T1696] 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
[   65.693839][ T1696] RSP: 0018:ffa000000225f1b0 EFLAGS: 00010286
[   65.694108][ T1696] RAX: 00000000ffffffa6 RBX: ff1100000e798ac0 RCX: 1ff400000044bdfc
[   65.694415][ T1696] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e798b7c
[   65.694740][ T1696] RBP: ff1100000eb09000 R08: 1fe2200001cf3171 R09: ff11000008e6d180
[   65.695037][ T1696] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   65.695343][ T1696] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   65.695717][ T1696] FS:  00007f01ecae8840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   65.696049][ T1696] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.696323][ T1696] CR2: 00000000004eb188 CR3: 000000000f28f002 CR4: 0000000000771ef0
[   65.696637][ T1696] PKRU: 55555554
[   65.696848][ T1696] Call Trace:
[   65.697047][ T1696]  <TASK>
[   65.697225][ T1696]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   65.697463][ T1696]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   65.697689][ T1696]  __dev_notify_flags (net/core/dev.c:9787)
[   65.697924][ T1696]  ? netif_change_name (net/core/dev.c:1495)
[   65.698159][ T1696]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   65.698404][ T1696]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   65.698647][ T1696]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   65.698944][ T1696]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   65.699179][ T1696]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   65.699422][ T1696]  ? __dev_get_by_name (net/core/dev.c:883)
[   65.699677][ T1696]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   65.699916][ T1696]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   65.700155][ T1696]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   65.700401][ T1696]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.700640][ T1696]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.700885][ T1696]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.701117][ T1696]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.701360][ T1696]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.701602][ T1696]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.701849][ T1696]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.702086][ T1696]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   65.702329][ T1696]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.702570][ T1696]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.702815][ T1696]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.703049][ T1696]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.703290][ T1696]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.703538][ T1696]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   65.703777][ T1696]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.703959][ T1696]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.704142][ T1696]  ? 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))
[   65.704330][ T1696]  ? 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))
[   65.704519][ T1696]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.704714][ T1696]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.704894][ T1696]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.705074][ T1696]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   65.705269][ T1696]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   65.705451][ T1696]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   65.705640][ T1696]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   65.705833][ T1696]  ? copy_msghdr_from_user (net/socket.c:2635)
[   65.706011][ T1696]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   65.706230][ T1696]  ? move_addr_to_kernel (net/socket.c:258)
[   65.706412][ T1696]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.706603][ T1696]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   65.706797][ T1696]  ___sys_sendmsg (net/socket.c:2752)
[   65.706975][ T1696]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   65.707154][ T1696]  ? copy_msghdr_from_user (net/socket.c:2603)
[   65.707345][ T1696]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   65.707531][ T1696]  ? 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))
[   65.707727][ T1696]  __sys_sendmsg (net/socket.c:2784)
[   65.707906][ T1696]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   65.708091][ T1696]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.708276][ T1696]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.708455][ T1696]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   65.708642][ T1696]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   65.708831][ T1696]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   65.709010][ T1696]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.709226][ T1696] RIP: 0033:0x7f01ecd2208e
[   65.709410][ T1696] 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
[   65.709942][ T1696] RSP: 002b:00007ffc95ddf3b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.710186][ T1696] RAX: ffffffffffffffda RBX: 00007ffc95ddfb48 RCX: 00007f01ecd2208e
[   65.710435][ T1696] RDX: 0000000000000000 RSI: 00007ffc95ddf460 RDI: 0000000000000005
[   65.710697][ T1696] RBP: 00007ffc95ddf3c0 R08: 0000000000000000 R09: 0000000000000000
[   65.710939][ T1696] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d86b
[   65.711179][ T1696] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc95ddfb20
| [   65.823322][ T1700] ------------[ cut here ]------------
| [   65.823472][ T1700] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1700
| [   65.824278][ T1700] Modules linked in: xfrm_user nf_tables
| [   65.824689][ T1700] Tainted: [W]=WARN
[   65.824787][ T1700] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.824951][ T1700] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.825121][ T1700] 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
[   65.825592][ T1700] RSP: 0018:ffa00000023cf020 EFLAGS: 00010286
[   65.825761][ T1700] RAX: 00000000ffffffa6 RBX: ff1100000a118200 RCX: 1ff4000000479dca
[   65.825953][ T1700] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1182bc
[   65.826147][ T1700] RBP: ff1100000eb09000 R08: 1fe2200001423059 R09: ff1100000eb28b58
[   65.826345][ T1700] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   65.826541][ T1700] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   65.826744][ T1700] FS:  00007fc8558c4840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   65.826972][ T1700] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.827135][ T1700] CR2: 00000000307a5988 CR3: 000000000e9ae001 CR4: 0000000000771ef0
[   65.827333][ T1700] PKRU: 55555554
[   65.827429][ T1700] Call Trace:
[   65.827529][ T1700]  <TASK>
[   65.827596][ T1700]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   65.827731][ T1700]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   65.827829][ T1700]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   65.827959][ T1700]  __dev_notify_flags (net/core/dev.c:9787)
[   65.828091][ T1700]  ? netif_change_name (net/core/dev.c:1495)
[   65.828228][ T1700]  ? __dev_change_flags (net/core/dev.c:9752)
[   65.828358][ T1700]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   65.828489][ T1700]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.828622][ T1700]  ? 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))
[   65.828758][ T1700]  netif_change_flags (net/core/dev.c:9820)
[   65.828889][ T1700]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   65.829020][ T1700]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   65.829152][ T1700]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   65.829288][ T1700]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   65.829449][ T1700]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.829581][ T1700]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.829715][ T1700]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   65.829843][ T1700]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.829974][ T1700]  ? __kernel_text_address (kernel/extable.c:79)
[   65.830103][ T1700]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.830241][ T1700]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.830371][ T1700]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   65.830505][ T1700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.830635][ T1700]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   65.830769][ T1700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.830898][ T1700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.831028][ T1700]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   65.831158][ T1700]  ? __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)
[   65.831295][ T1700]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   65.831425][ T1700]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   65.831564][ T1700]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   65.831701][ T1700]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   65.831834][ T1700]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   65.831965][ T1700]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.832095][ T1700]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.832231][ T1700]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.832362][ T1700]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.832491][ T1700]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.832629][ T1700]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.832761][ T1700]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.832891][ T1700]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.833020][ T1700]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.833150][ T1700]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.833286][ T1700]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   65.833415][ T1700]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.833548][ T1700]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.833681][ T1700]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.833811][ T1700]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.833940][ T1700]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.834070][ T1700]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   65.834203][ T1700]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.834333][ T1700]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.834467][ T1700]  ? 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))
[   65.834602][ T1700]  ? 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))
[   65.834738][ T1700]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.834871][ T1700]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.835000][ T1700]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.835130][ T1700]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   65.835265][ T1700]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   65.835396][ T1700]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   65.835531][ T1700]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   65.835666][ T1700]  ? copy_msghdr_from_user (net/socket.c:2635)
[   65.835796][ T1700]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   65.835956][ T1700]  ? move_addr_to_kernel (net/socket.c:258)
[   65.836086][ T1700]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.836221][ T1700]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.836354][ T1700]  ___sys_sendmsg (net/socket.c:2752)
[   65.836483][ T1700]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   65.836648][ T1700]  ? copy_msghdr_from_user (net/socket.c:2603)
[   65.836796][ T1700]  __sys_sendmsg (net/socket.c:2784)
[   65.836927][ T1700]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   65.837056][ T1700]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   65.837226][ T1700]  ? 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)
[   65.837356][ T1700]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.837485][ T1700]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   65.837619][ T1700]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   65.837757][ T1700]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   65.837885][ T1700]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.838045][ T1700] RIP: 0033:0x7fc855afe08e
[   65.838178][ T1700] 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
[   65.838643][ T1700] RSP: 002b:00007fff46023f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.838841][ T1700] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc855afe08e
[   65.839034][ T1700] RDX: 0000000000000000 RSI: 00007fff46023fc0 RDI: 0000000000000005
[   65.839232][ T1700] RBP: 00007fff46023f20 R08: 0000000000000000 R09: 0000000000000000
[   65.839425][ T1700] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d86c
[   65.839621][ T1700] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff46024680
| [   65.940303][ T1704] ------------[ cut here ]------------
| [   65.940450][ T1704] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1704
| [   65.940725][ T1704] Modules linked in: xfrm_user nf_tables
| [   65.941122][ T1704] Tainted: [W]=WARN
[   65.941225][ T1704] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.941386][ T1704] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.941560][ T1704] 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
[   65.942024][ T1704] RSP: 0018:ffa00000023cf020 EFLAGS: 00010286
[   65.942191][ T1704] RAX: 00000000ffffffa6 RBX: ff1100000f36fe00 RCX: 1ff4000000479dca
[   65.942388][ T1704] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f36febc
[   65.942580][ T1704] RBP: ff1100000f07c000 R08: 1fe2200001e6dfd9 R09: ff1100001017d158
[   65.942779][ T1704] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   65.942970][ T1704] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   65.943163][ T1704] FS:  00007f7a122e4840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   65.943393][ T1704] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.943562][ T1704] CR2: 000000001164f988 CR3: 000000000a25e005 CR4: 0000000000771ef0
[   65.943762][ T1704] PKRU: 55555554
[   65.943858][ T1704] Call Trace:
[   65.943955][ T1704]  <TASK>
[   65.944023][ T1704]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   65.944155][ T1704]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   65.944261][ T1704]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   65.944390][ T1704]  __dev_notify_flags (net/core/dev.c:9787)
[   65.944528][ T1704]  ? netif_change_name (net/core/dev.c:1495)
[   65.944665][ T1704]  ? __dev_change_flags (net/core/dev.c:9752)
[   65.944794][ T1704]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   65.944924][ T1704]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.945055][ T1704]  ? 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))
[   65.945188][ T1704]  netif_change_flags (net/core/dev.c:9820)
[   65.945326][ T1704]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   65.945458][ T1704]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   65.945595][ T1704]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   65.945731][ T1704]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   65.945893][ T1704]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   65.946022][ T1704]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.946150][ T1704]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   65.946286][ T1704]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.946416][ T1704]  ? __kernel_text_address (kernel/extable.c:79)
[   65.946549][ T1704]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.946686][ T1704]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.946816][ T1704]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   65.946945][ T1704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.947075][ T1704]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   65.947207][ T1704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.947337][ T1704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.947466][ T1704]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   65.947601][ T1704]  ? __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)
[   65.947793][ T1704]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   65.947925][ T1704]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   65.948054][ T1704]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   65.948187][ T1704]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   65.948326][ T1704]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   65.948457][ T1704]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.948591][ T1704]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.948764][ T1704]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.948894][ T1704]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   65.949021][ T1704]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.949152][ T1704]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.949286][ T1704]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.949416][ T1704]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.949548][ T1704]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   65.949683][ T1704]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   65.949815][ T1704]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   65.949947][ T1704]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.950078][ T1704]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.950209][ T1704]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.950340][ T1704]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.950469][ T1704]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   65.950604][ T1704]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   65.950739][ T1704]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   65.950870][ T1704]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   65.951005][ T1704]  ? 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))
[   65.951133][ T1704]  ? 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))
[   65.951270][ T1704]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   65.951403][ T1704]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.951537][ T1704]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   65.951671][ T1704]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   65.951802][ T1704]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   65.951933][ T1704]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   65.952064][ T1704]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   65.952202][ T1704]  ? copy_msghdr_from_user (net/socket.c:2635)
[   65.952333][ T1704]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   65.952495][ T1704]  ? move_addr_to_kernel (net/socket.c:258)
[   65.952630][ T1704]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   65.952766][ T1704]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   65.952900][ T1704]  ___sys_sendmsg (net/socket.c:2752)
[   65.953029][ T1704]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   65.953189][ T1704]  ? copy_msghdr_from_user (net/socket.c:2603)
[   65.953340][ T1704]  __sys_sendmsg (net/socket.c:2784)
[   65.953469][ T1704]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   65.953601][ T1704]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   65.953772][ T1704]  ? 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)
[   65.953902][ T1704]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   65.954034][ T1704]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   65.954164][ T1704]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   65.954299][ T1704]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   65.954433][ T1704]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   65.954603][ T1704] RIP: 0033:0x7f7a1251e08e
[   65.954744][ T1704] 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
[   65.955209][ T1704] RSP: 002b:00007ffe18f63ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   65.955405][ T1704] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7a1251e08e
[   65.955600][ T1704] RDX: 0000000000000000 RSI: 00007ffe18f63b70 RDI: 0000000000000005
[   65.955803][ T1704] RBP: 00007ffe18f63ad0 R08: 0000000000000000 R09: 0000000000000000
[   65.955996][ T1704] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d86c
[   65.956192][ T1704] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe18f64230
| [   65.958341][   T36] ------------[ cut here ]------------
| [   65.958463][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   65.959025][   T36] Modules linked in: xfrm_user nf_tables
| [   65.959422][   T36] Tainted: [W]=WARN
[   65.959513][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.959668][   T36] Workqueue: events_unbound linkwatch_event
[   65.959826][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.959978][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   65.960409][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   65.960563][   T36] RAX: 00000000ffffffa6 RBX: ff1100000f36f1c0 RCX: 1ff4000000051f02
[   65.960755][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f36f27c
[   65.960932][   T36] RBP: ff1100000f07c000 R08: 1fe2200001e6de51 R09: ff11000001d751a8
[   65.961108][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   65.961291][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   65.961469][   T36] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   65.961687][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.961835][   T36] CR2: 000000001164f988 CR3: 000000000a25e005 CR4: 0000000000771ef0
[   65.962015][   T36] PKRU: 55555554
[   65.962105][   T36] Call Trace:
[   65.962193][   T36]  <TASK>
[   65.962260][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   65.962381][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   65.962587][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   65.962685][   T36]  netif_state_change (net/core/dev.c:1605)
[   65.962806][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   65.962956][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   65.963152][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   65.963279][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.963402][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   65.963526][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   65.963726][   T36]  process_one_work (kernel/workqueue.c:3314)
[   65.963850][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   65.963967][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.964094][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   65.964297][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   65.964416][   T36]  kthread (kernel/kthread.c:436)
[   65.964512][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   65.964665][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   65.964784][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   65.964906][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   65.965055][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   65.965252][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   65.965371][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   65.967377][   T36] ------------[ cut here ]------------
| [   65.967570][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   65.967817][   T36] Modules linked in: xfrm_user nf_tables
| [   65.968292][   T36] Tainted: [W]=WARN
[   65.968381][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   65.968534][   T36] Workqueue: events_unbound linkwatch_event
[   65.968775][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   65.968934][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   65.969371][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   65.969529][   T36] RAX: 00000000ffffffa6 RBX: ff1100000dc60c80 RCX: 1ff4000000051f02
[   65.969768][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc60d3c
[   65.969946][   T36] RBP: ff1100000eb09000 R08: 1fe2200001b8c1a9 R09: ff11000001d751a8
[   65.970123][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   65.970380][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   65.970638][   T36] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   65.970901][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   65.971107][   T36] CR2: 000000001164f988 CR3: 000000004994d002 CR4: 0000000000771ef0
[   65.971300][   T36] PKRU: 55555554
[   65.971395][   T36] Call Trace:
[   65.971493][   T36]  <TASK>
[   65.971563][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   65.971755][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   65.971882][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   65.971979][   T36]  netif_state_change (net/core/dev.c:1605)
[   65.972107][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   65.972273][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   65.972480][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   65.972609][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   65.972806][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   65.972932][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   65.973123][   T36]  process_one_work (kernel/workqueue.c:3314)
[   65.973261][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   65.973387][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   65.973522][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   65.973706][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   65.973832][   T36]  kthread (kernel/kthread.c:436)
[   65.973926][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   65.974164][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   65.974295][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   65.974422][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   65.974580][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   65.974774][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   65.974901][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.455354][   T12] ------------[ cut here ]------------
| [   68.455549][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.455851][   T12] Modules linked in: xfrm_user nf_tables
| [   68.456349][   T12] Tainted: [W]=WARN
[   68.456484][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.456696][   T12] Workqueue: netns cleanup_net
[   68.456872][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.457072][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.457548][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.457757][   T12] RAX: 00000000ffffffa6 RBX: ff11000012120580 RCX: 1ff4000000018eed
[   68.457978][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001212063c
[   68.458196][   T12] RBP: ff11000009034000 R08: 1fe22000024240c9 R09: ff11000001aed1d0
[   68.458423][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.458649][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.458887][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.459136][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.459335][   T12] CR2: 00007ff5c2885000 CR3: 000000004994d002 CR4: 0000000000771ef0
[   68.459565][   T12] PKRU: 55555554
[   68.459712][   T12] Call Trace:
[   68.459849][   T12]  <TASK>
[   68.459956][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.460153][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.460351][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.460521][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.460702][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.460866][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.461032][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.461198][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.461374][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.461543][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.461724][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.461888][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.462050][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.462225][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.462389][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.462563][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.462746][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.462909][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.463078][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.463254][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.463419][   T12]  kthread (kernel/kthread.c:436)
[   68.463563][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.463769][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.463934][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.464102][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.464303][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.464470][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.464642][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.467345][   T12] ------------[ cut here ]------------
| [   68.467517][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.467810][   T12] Modules linked in: xfrm_user nf_tables
| [   68.468296][   T12] Tainted: [W]=WARN
[   68.468431][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.468630][   T12] Workqueue: netns cleanup_net
[   68.468815][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.469043][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.469512][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.469725][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d68f540 RCX: 1ff4000000018eed
[   68.469944][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68f5fc
[   68.470163][   T12] RBP: ff11000012589000 R08: 1fe2200001ad1ec1 R09: ff11000001aed1d0
[   68.470390][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.470617][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.470849][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.471101][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.471302][   T12] CR2: 00007ff5c2885000 CR3: 000000004994d002 CR4: 0000000000771ef0
[   68.471526][   T12] PKRU: 55555554
[   68.471673][   T12] Call Trace:
[   68.471806][   T12]  <TASK>
[   68.471914][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.472114][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.472315][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.472482][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.472740][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.472907][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.473074][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.473249][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.473417][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.473587][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.473767][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.474004][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.474244][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.474411][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.474583][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.474761][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.474931][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.475123][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.475304][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.475477][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.475646][   T12]  kthread (kernel/kthread.c:436)
[   68.475797][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.476067][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.476244][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.476412][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.476613][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.476791][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.477099][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.480439][   T12] ------------[ cut here ]------------
| [   68.480603][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.480960][   T12] Modules linked in: xfrm_user nf_tables
| [   68.481444][   T12] Tainted: [W]=WARN
[   68.481583][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.481786][   T12] Workqueue: netns cleanup_net
[   68.481955][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.482242][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.482723][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.482991][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a953a80 RCX: 1ff4000000018eed
[   68.483214][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a953b3c
[   68.483433][   T12] RBP: ff11000007861000 R08: 1fe220000152a769 R09: ff11000001aed1d0
[   68.483675][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.483892][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.484188][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.484447][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.484664][   T12] CR2: 00007ff5c2885000 CR3: 000000004994d002 CR4: 0000000000771ef0
[   68.484958][   T12] PKRU: 55555554
[   68.485094][   T12] Call Trace:
[   68.485233][   T12]  <TASK>
[   68.485341][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.485545][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.485749][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.485918][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.486152][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.486325][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.486491][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.486678][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.486845][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.487007][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.487174][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.487349][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.487514][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.487697][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.487861][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.488098][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.488275][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.488516][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.488702][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.488872][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.489035][   T12]  kthread (kernel/kthread.c:436)
[   68.489250][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.489442][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.489612][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.489789][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.490052][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.490223][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.490390][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.493383][   T12] ------------[ cut here ]------------
| [   68.493551][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.493908][   T12] Modules linked in: xfrm_user nf_tables
| [   68.494545][   T12] Tainted: [W]=WARN
[   68.494697][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.494963][   T12] Workqueue: netns cleanup_net
[   68.495132][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.495339][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.495906][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.496103][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a952740 RCX: 1ff4000000018eed
[   68.496407][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a9527fc
[   68.496635][   T12] RBP: ff1100000f1a1000 R08: 1fe220000152a501 R09: ff11000001aed1d0
[   68.496871][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.497169][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.497397][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.497667][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.497864][   T12] CR2: 00007ff5c2885000 CR3: 000000004994d002 CR4: 0000000000771ef0
[   68.498089][   T12] PKRU: 55555554
[   68.498230][   T12] Call Trace:
[   68.498366][   T12]  <TASK>
[   68.498473][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.498690][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.498883][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.499122][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.499304][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.499473][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.499643][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.499826][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.499994][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.500157][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.500333][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.500507][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.500687][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.500925][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.501090][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.501265][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.501436][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.501638][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.501824][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.501994][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.502159][   T12]  kthread (kernel/kthread.c:436)
[   68.502305][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.502499][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.502711][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.502876][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.503070][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.503316][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.503594][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.506534][   T12] ------------[ cut here ]------------
| [   68.506698][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.506973][   T12] Modules linked in: xfrm_user nf_tables
| [   68.507462][   T12] Tainted: [W]=WARN
[   68.507695][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.507960][   T12] Workqueue: netns cleanup_net
[   68.508131][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.508338][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.508897][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.509091][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda9700 RCX: 1ff4000000018eed
[   68.509392][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda97bc
[   68.509620][   T12] RBP: ff1100000f019000 R08: 1fe2200001bb52f9 R09: ff11000001aed1d0
[   68.509925][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.510300][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.510528][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.510788][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.510980][   T12] CR2: 00007ff5c2885000 CR3: 000000004994d002 CR4: 0000000000771ef0
[   68.511211][   T12] PKRU: 55555554
[   68.511346][   T12] Call Trace:
[   68.511479][   T12]  <TASK>
[   68.511590][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.511799][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.511988][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.512152][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.512326][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.512493][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.512679][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.512844][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.513010][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.513172][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.513341][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.513587][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.513767][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.514004][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.514248][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.514414][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.514589][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.514763][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.514932][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.515099][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.515344][   T12]  kthread (kernel/kthread.c:436)
[   68.515483][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.515696][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.515862][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.516099][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.516371][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.516550][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.516731][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.546427][   T12] ------------[ cut here ]------------
| [   68.546605][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.546910][   T12] Modules linked in: xfrm_user nf_tables
| [   68.547414][   T12] Tainted: [W]=WARN
[   68.547559][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.547825][   T12] Workqueue: netns cleanup_net
[   68.547999][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.548212][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.548712][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   68.548913][   T12] RAX: 00000000ffffffa6 RBX: ff110000134f0c80 RCX: 1ff4000000018eaf
[   68.549141][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000134f0d3c
[   68.549375][   T12] RBP: ff1100000eb0c000 R08: 1fe220000269e1a9 R09: ff11000001aed1d0
[   68.549613][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   68.549854][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f294000
[   68.550083][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.550354][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.550565][   T12] CR2: 00007ff5c2885000 CR3: 000000004994d002 CR4: 0000000000771ef0
[   68.550809][   T12] PKRU: 55555554
[   68.550950][   T12] Call Trace:
[   68.551090][   T12]  <TASK>
[   68.551220][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.551395][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.551543][   T12]  netif_close_many (net/core/dev.c:1804)
[   68.551730][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.551901][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.552071][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.552251][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   68.552422][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   68.552634][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   68.552855][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.553029][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.553238][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.553409][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.553587][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.553803][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   68.553976][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.554149][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.554328][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.554505][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.554697][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.554871][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.555041][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.555221][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.555394][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.555572][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.555761][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.555930][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.556102][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.556284][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.556454][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.556637][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.556826][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.556995][   T12]  kthread (kernel/kthread.c:436)
[   68.557138][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.557345][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.557519][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.557704][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.557906][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.558077][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.558259][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.570109][   T12] ------------[ cut here ]------------
| [   68.570287][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.570583][   T12] Modules linked in: xfrm_user nf_tables
| [   68.571105][   T12] Tainted: [W]=WARN
[   68.571251][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.571456][   T12] Workqueue: netns cleanup_net
[   68.571653][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.571870][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.572360][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   68.572575][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dc89000 RCX: 1ff4000000018eaf
[   68.572817][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc890bc
[   68.573047][   T12] RBP: ff1100000f294000 R08: 1fe2200001b91219 R09: ff11000001aed1d0
[   68.573279][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   68.573509][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000094d4000
[   68.573758][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.574018][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.574224][   T12] CR2: 00007ff5c2885000 CR3: 000000004994d002 CR4: 0000000000771ef0
[   68.574455][   T12] PKRU: 55555554
[   68.574602][   T12] Call Trace:
[   68.574757][   T12]  <TASK>
[   68.574867][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.575038][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   68.575215][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.575358][   T12]  netif_close_many (net/core/dev.c:1804)
[   68.575532][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.575715][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.575884][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.576058][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   68.576235][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   68.576436][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   68.576644][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.576830][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.577029][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.577199][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.577381][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.577591][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   68.577777][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.577949][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.578120][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.578300][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.578472][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.578667][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.578836][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.579009][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.579180][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.579356][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.579530][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.579715][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.579888][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.580065][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.580243][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.580419][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.580600][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.580783][   T12]  kthread (kernel/kthread.c:436)
[   68.580923][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.581123][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.581304][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.581476][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.581693][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.581864][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.582035][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.585079][   T12] ------------[ cut here ]------------
| [   68.585251][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.585544][   T12] Modules linked in: xfrm_user nf_tables
| [   68.586162][   T12] Tainted: [W]=WARN
[   68.586310][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.586513][   T12] Workqueue: netns cleanup_net
[   68.586703][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.586913][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.587403][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   68.587612][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b6e40 RCX: 1ff4000000018eaf
[   68.587856][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b6efc
[   68.588090][   T12] RBP: ff110000094d4000 R08: 1fe2200002036de1 R09: ff11000001aed1d0
[   68.588329][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   68.588565][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   68.588810][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.589070][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.589280][   T12] CR2: 00007ff5c2885000 CR3: 000000004994d002 CR4: 0000000000771ef0
[   68.589517][   T12] PKRU: 55555554
[   68.589670][   T12] Call Trace:
[   68.589809][   T12]  <TASK>
[   68.589921][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.590093][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   68.590272][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.590418][   T12]  netif_close_many (net/core/dev.c:1804)
[   68.590595][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.590777][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.590947][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.591118][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   68.591297][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   68.591499][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   68.591727][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.591896][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.592095][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.592274][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.592447][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.592668][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   68.592840][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.593015][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.593186][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.593365][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.593543][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.593729][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.593898][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.594072][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.594251][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.594422][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.594604][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.594787][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.594961][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.595136][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.595311][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.595493][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.595691][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.595862][   T12]  kthread (kernel/kthread.c:436)
[   68.596002][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.596222][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.596425][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.596604][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.596822][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.596994][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.597165][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.599797][   T12] ------------[ cut here ]------------
| [   68.599957][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.600246][   T12] Modules linked in: xfrm_user nf_tables
| [   68.601363][   T12] Tainted: [W]=WARN
[   68.601564][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.601823][   T12] Workqueue: netns cleanup_net
[   68.602040][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.602295][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.602833][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   68.603077][   T12] RAX: 00000000ffffffa6 RBX: ff110000094f43c0 RCX: 1ff4000000018ed5
[   68.603354][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094f447c
[   68.603627][   T12] RBP: ff1100000eb0c000 R08: 1fe220000129e891 R09: ff11000001aed1d0
[   68.603908][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.604178][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.604484][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.604798][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.605037][   T12] CR2: 00007ff5c2885000 CR3: 000000004994d002 CR4: 0000000000771ef0
[   68.605318][   T12] PKRU: 55555554
[   68.605497][   T12] Call Trace:
[   68.605701][   T12]  <TASK>
[   68.605855][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.606096][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.606344][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.606562][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.606784][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.607031][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.607250][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.607461][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.607696][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.607909][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.608151][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.608423][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.608685][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.608945][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.609172][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.609341][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.609509][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.609694][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.609863][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.610029][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.610197][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.610376][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.610548][   T12]  kthread (kernel/kthread.c:436)
[   68.610700][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.610899][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.611068][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.611242][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.611448][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.611669][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.611835][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.614600][   T12] ------------[ cut here ]------------
| [   68.615245][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.615573][   T12] Modules linked in: xfrm_user nf_tables
| [   68.616164][   T12] Tainted: [W]=WARN
[   68.616353][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.616603][   T12] Workqueue: netns cleanup_net
[   68.616834][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.617079][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.617605][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   68.617861][   T12] RAX: 00000000ffffffa6 RBX: ff110000094f4c80 RCX: 1ff4000000018ed5
[   68.618126][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094f4d3c
[   68.618400][   T12] RBP: ff1100000f294000 R08: 1fe220000129e9a9 R09: ff11000001aed1d0
[   68.618691][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.618958][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.619237][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.619545][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.619801][   T12] CR2: 00007ff5c2885000 CR3: 000000004994d002 CR4: 0000000000771ef0
[   68.620073][   T12] PKRU: 55555554
[   68.620260][   T12] Call Trace:
[   68.620443][   T12]  <TASK>
[   68.620601][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.620859][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.621097][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.621319][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.621540][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.621825][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.622086][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.622308][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.622471][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.622643][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.622827][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.622992][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.623163][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.623341][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.623505][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.623691][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.623856][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.624024][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.624193][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.624366][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.624539][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.624723][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.624889][   T12]  kthread (kernel/kthread.c:436)
[   68.625025][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.625225][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.625393][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.625567][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.625775][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.625939][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.626105][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.628963][   T12] ------------[ cut here ]------------
| [   68.629155][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.629443][   T12] Modules linked in: xfrm_user nf_tables
| [   68.630043][   T12] Tainted: [W]=WARN
[   68.630232][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.630505][   T12] Workqueue: netns cleanup_net
[   68.630738][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.630987][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.631509][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   68.631770][   T12] RAX: 00000000ffffffa6 RBX: ff110000094f58c0 RCX: 1ff4000000018ed5
[   68.632046][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094f597c
[   68.632318][   T12] RBP: ff110000094d4000 R08: 1fe220000129eb31 R09: ff11000001aed1d0
[   68.632596][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.632876][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.633145][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.633450][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.633745][   T12] CR2: 00007ff5c2885000 CR3: 000000004994d002 CR4: 0000000000771ef0
[   68.634016][   T12] PKRU: 55555554
[   68.634194][   T12] Call Trace:
[   68.634381][   T12]  <TASK>
[   68.634547][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.634805][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.635064][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.635301][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.635547][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.635805][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.636018][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.636237][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.636450][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.636685][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.636900][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.637113][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.637337][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.637560][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.637786][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.638046][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.638257][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.638424][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.638616][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.638796][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.638968][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.639139][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.639314][   T12]  kthread (kernel/kthread.c:436)
[   68.639453][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.639670][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.639838][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.640009][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.640211][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.640379][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.640549][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.676579][   T12] ------------[ cut here ]------------
| [   68.676760][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.677034][   T12] Modules linked in: xfrm_user nf_tables
| [   68.677528][   T12] Tainted: [W]=WARN
[   68.677677][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.677868][   T12] Workqueue: netns cleanup_net
[   68.678037][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.678243][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.678785][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.679026][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ab69e00 RCX: 1ff4000000018eed
[   68.679304][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab69ebc
[   68.679535][   T12] RBP: ff11000008664000 R08: 1fe220000156d3d9 R09: ff11000001aed1d0
[   68.679770][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.679990][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.680219][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.680475][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.680688][   T12] CR2: 00007ff5c2885000 CR3: 000000004994d002 CR4: 0000000000771ef0
[   68.680919][   T12] PKRU: 55555554
[   68.681054][   T12] Call Trace:
[   68.681189][   T12]  <TASK>
[   68.681304][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.681508][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.681717][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.681884][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.682051][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.682223][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.682391][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.682566][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.682747][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.682915][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.683083][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.683256][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.683422][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.683599][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.683777][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.683944][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.684117][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.684290][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.684462][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.684642][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.684820][   T12]  kthread (kernel/kthread.c:436)
[   68.684957][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.685150][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.685328][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.685497][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.685708][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.685875][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.686040][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.688677][   T12] ------------[ cut here ]------------
| [   68.688838][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.689110][   T12] Modules linked in: xfrm_user nf_tables
| [   68.689604][   T12] Tainted: [W]=WARN
[   68.689855][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.690090][   T12] Workqueue: netns cleanup_net
[   68.690319][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.690625][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.691154][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.691429][   T12] RAX: 00000000ffffffa6 RBX: ff11000010b85700 RCX: 1ff4000000018eed
[   68.691668][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010b857bc
[   68.691897][   T12] RBP: ff1100000ded4000 R08: 1fe2200002170af9 R09: ff11000001aed1d0
[   68.692117][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.692372][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.692603][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.692866][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.693057][   T12] CR2: 00007ff5c2885000 CR3: 000000004994d002 CR4: 0000000000771ef0
[   68.693315][   T12] PKRU: 55555554
[   68.693453][   T12] Call Trace:
[   68.693594][   T12]  <TASK>
[   68.693714][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.693910][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.694104][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.694275][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.694438][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.694606][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.694786][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.694951][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.695148][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.695319][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.695488][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.695672][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.695834][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.696005][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.696168][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.696339][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.696517][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.696697][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.696894][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.697064][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.697235][   T12]  kthread (kernel/kthread.c:436)
[   68.697371][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.697570][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.697753][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.697917][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.698108][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.698281][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.698446][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.701067][   T12] ------------[ cut here ]------------
| [   68.701234][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.701508][   T12] Modules linked in: xfrm_user nf_tables
| [   68.702474][   T12] Tainted: [W]=WARN
[   68.702671][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.702907][   T12] Workqueue: netns cleanup_net
[   68.703120][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.703374][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.703897][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.704133][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d093a80 RCX: 1ff4000000018eed
[   68.704414][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d093b3c
[   68.704723][   T12] RBP: ff1100000f079000 R08: 1fe2200001a12769 R09: ff11000001aed1d0
[   68.705012][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.705310][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.705605][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.705942][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.706201][   T12] CR2: 00007ff5c2885000 CR3: 000000004994d002 CR4: 0000000000771ef0
[   68.706499][   T12] PKRU: 55555554
[   68.706718][   T12] Call Trace:
[   68.706925][   T12]  <TASK>
[   68.707167][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.707513][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.707853][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.708145][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.708448][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.708762][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.709054][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.709339][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.709602][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.709837][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.710011][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.710185][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.710360][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.710537][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.710723][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.710896][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.711073][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.711250][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.711428][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.711615][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.711796][   T12]  kthread (kernel/kthread.c:436)
[   68.711936][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.712138][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.712319][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.712497][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.712720][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.712892][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.713064][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.715568][   T12] ------------[ cut here ]------------
| [   68.715749][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.716021][   T12] Modules linked in: xfrm_user nf_tables
| [   68.716509][   T12] Tainted: [W]=WARN
[   68.716647][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.717188][   T12] Workqueue: netns cleanup_net
[   68.717411][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.717676][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.718180][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.718425][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e7d2200 RCX: 1ff4000000018eed
[   68.718736][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e7d22bc
[   68.719009][   T12] RBP: ff1100000a9a1000 R08: 1fe2200001cfa459 R09: ff11000001aed1d0
[   68.719281][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.719553][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.719830][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.720120][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.720367][   T12] CR2: 00007ff5c2885000 CR3: 000000004994d002 CR4: 0000000000771ef0
[   68.720638][   T12] PKRU: 55555554
[   68.720830][   T12] Call Trace:
[   68.721006][   T12]  <TASK>
[   68.721156][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.721407][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.721666][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.721875][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.722087][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.722303][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.722528][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.722803][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.723065][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.723321][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.723588][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.723858][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.724109][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.724374][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.724539][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.724718][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.724887][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.725049][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.725228][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.725398][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.725570][   T12]  kthread (kernel/kthread.c:436)
[   68.725718][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.725909][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.726074][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.726247][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.726442][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.726612][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.726788][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.729227][   T12] ------------[ cut here ]------------
| [   68.729388][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.730179][   T12] Modules linked in: xfrm_user nf_tables
| [   68.730777][   T12] Tainted: [W]=WARN
[   68.730959][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.731193][   T12] Workqueue: netns cleanup_net
[   68.731415][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.731681][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.732186][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.732436][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e7d2580 RCX: 1ff4000000018eed
[   68.732723][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e7d263c
[   68.732986][   T12] RBP: ff1100000e581000 R08: 1fe2200001cfa4c9 R09: ff11000001aed1d0
[   68.733255][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.733529][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.733809][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.734101][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.734346][   T12] CR2: 00007ff5c2885000 CR3: 000000004994d002 CR4: 0000000000771ef0
[   68.734620][   T12] PKRU: 55555554
[   68.734806][   T12] Call Trace:
[   68.734983][   T12]  <TASK>
[   68.735135][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.735389][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.735633][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.735860][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.736070][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.736283][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.736495][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.736729][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.736942][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.737150][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.737411][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.737692][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.737961][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.738224][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.738475][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.738749][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.739006][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.739265][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.739515][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.739730][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.739895][   T12]  kthread (kernel/kthread.c:436)
[   68.740032][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.740231][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.740397][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.740573][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.740788][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.740951][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.741114][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.755427][   T12] ------------[ cut here ]------------
| [   68.755630][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.755931][   T12] Modules linked in: xfrm_user nf_tables
| [   68.756444][   T12] Tainted: [W]=WARN
[   68.756592][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.756892][   T12] Workqueue: netns cleanup_net
[   68.757071][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.757282][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.757788][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   68.757990][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e7d2900 RCX: 1ff4000000018eaf
[   68.758225][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e7d29bc
[   68.758456][   T12] RBP: ff1100000f01c000 R08: 1fe2200001cfa539 R09: ff11000001aed1d0
[   68.758739][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   68.758971][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009429000
[   68.759210][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.759472][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.759692][   T12] CR2: 00007ff5c2885000 CR3: 000000004994d002 CR4: 0000000000771ef0
[   68.759924][   T12] PKRU: 55555554
[   68.760063][   T12] Call Trace:
[   68.760214][   T12]  <TASK>
[   68.760325][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.760498][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.760647][   T12]  netif_close_many (net/core/dev.c:1804)
[   68.760838][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.761005][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.761176][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.761354][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   68.761534][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   68.761753][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   68.761956][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.762159][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.762364][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.762536][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.762720][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.762924][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   68.763098][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.763279][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.763454][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.763647][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.763835][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.764009][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.764178][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.764362][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.764537][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.764732][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.764920][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.765091][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.765271][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.765446][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.765626][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.765816][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.765994][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.766168][   T12]  kthread (kernel/kthread.c:436)
[   68.766315][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.766518][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.766704][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.766878][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.767078][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.767258][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.767437][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.771576][   T12] ------------[ cut here ]------------
| [   68.771755][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.772046][   T12] Modules linked in: xfrm_user nf_tables
| [   68.772562][   T12] Tainted: [W]=WARN
[   68.773187][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.773453][   T12] Workqueue: netns cleanup_net
[   68.773706][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.773962][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.774501][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   68.774775][   T12] RAX: 00000000ffffffa6 RBX: ff11000013bb1e00 RCX: 1ff4000000018eaf
[   68.775064][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013bb1ebc
[   68.775351][   T12] RBP: ff11000009429000 R08: 1fe22000027763d9 R09: ff11000001aed1d0
[   68.775677][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   68.775961][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b51000
[   68.776245][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.776562][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.776825][   T12] CR2: 00007ff5c2885000 CR3: 000000004994d002 CR4: 0000000000771ef0
[   68.777107][   T12] PKRU: 55555554
[   68.777299][   T12] Call Trace:
[   68.777484][   T12]  <TASK>
[   68.777690][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.777908][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   68.778128][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.778324][   T12]  netif_close_many (net/core/dev.c:1804)
[   68.778550][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.778813][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.779074][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.779407][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   68.779583][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   68.779796][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   68.780001][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.780173][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.780384][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.780563][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.780745][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.780947][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   68.781118][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.781328][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.781507][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.781695][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.781867][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.782038][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.782213][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.782386][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.782565][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.782777][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.782951][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.783120][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.783302][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.783476][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.783689][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.783863][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.784043][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.784219][   T12]  kthread (kernel/kthread.c:436)
[   68.784358][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.784564][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.784747][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.784917][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.785117][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.785297][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.785468][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.788984][   T12] ------------[ cut here ]------------
| [   68.789157][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.789465][   T12] Modules linked in: xfrm_user nf_tables
| [   68.789980][   T12] Tainted: [W]=WARN
[   68.790121][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.790329][   T12] Workqueue: netns cleanup_net
[   68.790505][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.790730][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.791222][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   68.791424][   T12] RAX: 00000000ffffffa6 RBX: ff110000108fa740 RCX: 1ff4000000018eaf
[   68.791675][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000108fa7fc
[   68.791904][   T12] RBP: ff11000009b51000 R08: 1fe220000211f501 R09: ff11000001aed1d0
[   68.792131][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   68.792369][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   68.792606][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.792882][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.793083][   T12] CR2: 00007ff5c2885000 CR3: 000000004994d002 CR4: 0000000000771ef0
[   68.793328][   T12] PKRU: 55555554
[   68.793466][   T12] Call Trace:
[   68.793611][   T12]  <TASK>
[   68.793735][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.793907][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   68.794078][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.794226][   T12]  netif_close_many (net/core/dev.c:1804)
[   68.794395][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.794571][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.794753][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.794926][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   68.795095][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   68.795305][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   68.795509][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.795695][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.795896][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.796066][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.796247][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.796451][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   68.796634][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.796819][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.796992][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.797161][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.797340][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.797518][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.797701][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.797874][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.798045][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.798219][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.798393][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.798571][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.798758][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.798933][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.799101][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.799284][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.799458][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.799641][   T12]  kthread (kernel/kthread.c:436)
[   68.799793][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.799992][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.800163][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.800344][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.800550][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.800748][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.800924][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.803436][   T12] ------------[ cut here ]------------
| [   68.803602][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.804320][   T12] Modules linked in: xfrm_user nf_tables
| [   68.804919][   T12] Tainted: [W]=WARN
[   68.805099][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.805359][   T12] Workqueue: netns cleanup_net
[   68.805583][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.805842][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.806380][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   68.806629][   T12] RAX: 00000000ffffffa6 RBX: ff110000108fb540 RCX: 1ff4000000018ed5
[   68.806932][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000108fb5fc
[   68.807225][   T12] RBP: ff1100000f01c000 R08: 1fe220000211f6c1 R09: ff11000001aed1d0
[   68.807492][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.807778][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.808048][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.808356][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.808604][   T12] CR2: 00007ff5c2885000 CR3: 000000004994d002 CR4: 0000000000771ef0
[   68.808886][   T12] PKRU: 55555554
[   68.809065][   T12] Call Trace:
[   68.809252][   T12]  <TASK>
[   68.809406][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.809675][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.809915][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.810127][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.810347][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.810596][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.810822][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.811034][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.811251][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.811467][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.811794][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.812062][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.812238][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.812406][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.812578][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.812758][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.812924][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.813096][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.813283][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.813447][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.813666][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.813838][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.814003][   T12]  kthread (kernel/kthread.c:436)
[   68.814139][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.814345][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.814514][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.814696][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.814891][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.815057][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.815231][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.817999][   T12] ------------[ cut here ]------------
| [   68.818160][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.818452][   T12] Modules linked in: xfrm_user nf_tables
| [   68.819094][   T12] Tainted: [W]=WARN
[   68.819349][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.819703][   T12] Workqueue: netns cleanup_net
[   68.819961][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.820220][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.820753][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   68.820992][   T12] RAX: 00000000ffffffa6 RBX: ff110000108fbe00 RCX: 1ff4000000018ed5
[   68.821279][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000108fbebc
[   68.821555][   T12] RBP: ff11000009429000 R08: 1fe220000211f7d9 R09: ff11000001aed1d0
[   68.821844][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.822113][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.822408][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.822728][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.822970][   T12] CR2: 00007ff5c2885000 CR3: 000000004994d002 CR4: 0000000000771ef0
[   68.823250][   T12] PKRU: 55555554
[   68.823428][   T12] Call Trace:
[   68.823617][   T12]  <TASK>
[   68.823783][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.824028][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.824273][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.824484][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.824713][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.824959][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.825171][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.825388][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.825609][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.825876][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.826116][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.826359][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.826605][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.826855][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.827091][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.827337][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.827580][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.827831][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.828074][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.828269][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.828448][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.828638][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.828828][   T12]  kthread (kernel/kthread.c:436)
[   68.828971][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.829175][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.829358][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.829535][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.829755][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.829929][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.830107][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.833045][   T12] ------------[ cut here ]------------
| [   68.833216][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.833499][   T12] Modules linked in: xfrm_user nf_tables
| [   68.834009][   T12] Tainted: [W]=WARN
[   68.834143][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.834347][   T12] Workqueue: netns cleanup_net
[   68.834519][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.834825][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.835401][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   68.835681][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d093c40 RCX: 1ff4000000018ed5
[   68.835997][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d093cfc
[   68.836334][   T12] RBP: ff11000009b51000 R08: 1fe2200001a127a1 R09: ff11000001aed1d0
[   68.836609][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.836889][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.837168][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.837471][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.837728][   T12] CR2: 00007ff5c2885000 CR3: 000000004994d002 CR4: 0000000000771ef0
[   68.837996][   T12] PKRU: 55555554
[   68.838174][   T12] Call Trace:
[   68.838359][   T12]  <TASK>
[   68.838519][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.838777][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.839013][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.839232][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.839441][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.839707][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.839943][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.840151][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.840406][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.840625][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.840851][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.841059][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.841277][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.841489][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.841723][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.841936][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.842145][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.842370][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.842594][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.842820][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.843070][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.843343][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.843620][   T12]  kthread (kernel/kthread.c:436)
[   68.843861][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.844149][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.844420][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.844704][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.844991][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.845252][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.845415][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.878854][   T12] ------------[ cut here ]------------
| [   68.879023][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.879305][   T12] Modules linked in: xfrm_user nf_tables
| [   68.879798][   T12] Tainted: [W]=WARN
[   68.879934][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.880127][   T12] Workqueue: netns cleanup_net
[   68.880311][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.880511][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.881066][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.881266][   T12] RAX: 00000000ffffffa6 RBX: ff11000013bda040 RCX: 1ff4000000018eed
[   68.881515][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013bda0fc
[   68.881752][   T12] RBP: ff11000012951000 R08: 1fe220000277b421 R09: ff11000001aed1d0
[   68.881973][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.882190][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.882418][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.882688][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.882883][   T12] CR2: 00007ffe3bb9f718 CR3: 0000000009a9c002 CR4: 0000000000771ef0
[   68.883103][   T12] PKRU: 55555554
[   68.883245][   T12] Call Trace:
[   68.883384][   T12]  <TASK>
[   68.883492][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.883708][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.883900][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.884066][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.884240][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.884403][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.884577][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.884756][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.884954][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.885115][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.885289][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.885458][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.885629][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.885809][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.885972][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.886138][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.886312][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.886474][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.886665][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.886836][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.887001][   T12]  kthread (kernel/kthread.c:436)
[   68.887137][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.887337][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.887515][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.887696][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.887891][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.888056][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.888228][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.891086][   T12] ------------[ cut here ]------------
| [   68.891250][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.891557][   T12] Modules linked in: xfrm_user nf_tables
| [   68.892479][   T12] Tainted: [W]=WARN
[   68.892681][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.892872][   T12] Workqueue: netns cleanup_net
[   68.893040][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.893247][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.893728][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.893930][   T12] RAX: 00000000ffffffa6 RBX: ff11000013bdb540 RCX: 1ff4000000018eed
[   68.894148][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013bdb5fc
[   68.894376][   T12] RBP: ff1100000e521000 R08: 1fe220000277b6c1 R09: ff11000001aed1d0
[   68.894603][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.894838][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.895059][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.895318][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.895512][   T12] CR2: 000055d401a25a78 CR3: 0000000009a9c002 CR4: 0000000000771ef0
[   68.895753][   T12] PKRU: 55555554
[   68.895886][   T12] Call Trace:
[   68.896019][   T12]  <TASK>
[   68.896126][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.896333][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.896527][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.896703][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.896871][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.897037][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.897202][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.897377][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.897548][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.897727][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.897924][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.898093][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.898269][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.898441][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.898614][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.898791][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.898961][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.899125][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.899302][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.899473][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.899642][   T12]  kthread (kernel/kthread.c:436)
[   68.899791][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.899986][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.900151][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.900323][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.900522][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.900702][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.900882][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.903549][   T12] ------------[ cut here ]------------
| [   68.904154][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.904485][   T12] Modules linked in: xfrm_user nf_tables
| [   68.905075][   T12] Tainted: [W]=WARN
[   68.905293][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.905540][   T12] Workqueue: netns cleanup_net
[   68.905781][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.906028][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.906558][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.906805][   T12] RAX: 00000000ffffffa6 RBX: ff11000013bdbc40 RCX: 1ff4000000018eed
[   68.907071][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013bdbcfc
[   68.907344][   T12] RBP: ff110000121e1000 R08: 1fe220000277b7a1 R09: ff11000001aed1d0
[   68.907619][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.907891][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.908182][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.908486][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.908742][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   68.909008][   T12] PKRU: 55555554
[   68.909196][   T12] Call Trace:
[   68.909431][   T12]  <TASK>
[   68.909630][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.909940][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.910235][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.910531][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.910800][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.911051][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.911311][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.911516][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.911696][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.911859][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.912031][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.912195][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.912367][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.912535][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.912714][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.912880][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.913049][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.913224][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.913394][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.913570][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.913746][   T12]  kthread (kernel/kthread.c:436)
[   68.913880][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.914073][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.914245][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.914411][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.914615][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.914790][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.914954][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.917381][   T12] ------------[ cut here ]------------
| [   68.917543][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.918284][   T12] Modules linked in: xfrm_user nf_tables
| [   68.918876][   T12] Tainted: [W]=WARN
[   68.919058][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.919296][   T12] Workqueue: netns cleanup_net
[   68.919513][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.919773][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.920280][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.920525][   T12] RAX: 00000000ffffffa6 RBX: ff11000014d3a040 RCX: 1ff4000000018eed
[   68.920801][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d3a0fc
[   68.921066][   T12] RBP: ff11000012219000 R08: 1fe22000029a7421 R09: ff11000001aed1d0
[   68.921337][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.921610][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.921889][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.922180][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.922425][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   68.922714][   T12] PKRU: 55555554
[   68.922894][   T12] Call Trace:
[   68.923070][   T12]  <TASK>
[   68.923229][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.923489][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.923697][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.923863][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.924028][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.924191][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.924366][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.924533][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.924715][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.924877][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.925044][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.925216][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.925379][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.925554][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.925730][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.925895][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.926063][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.926232][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.926402][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.926589][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.926762][   T12]  kthread (kernel/kthread.c:436)
[   68.926897][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.927090][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.927261][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.927426][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.927626][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.927806][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.927970][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.930390][   T12] ------------[ cut here ]------------
| [   68.930553][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.931710][   T12] Modules linked in: xfrm_user nf_tables
| [   68.932295][   T12] Tainted: [W]=WARN
[   68.932474][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.932728][   T12] Workqueue: netns cleanup_net
[   68.932942][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.933188][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.933718][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.933954][   T12] RAX: 00000000ffffffa6 RBX: ff11000014d3a3c0 RCX: 1ff4000000018eed
[   68.934227][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d3a47c
[   68.934492][   T12] RBP: ff1100000e44c000 R08: 1fe22000029a7491 R09: ff11000001aed1d0
[   68.934773][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.935036][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.935310][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.935611][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.935858][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   68.936120][   T12] PKRU: 55555554
[   68.936303][   T12] Call Trace:
[   68.936481][   T12]  <TASK>
[   68.936637][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.936889][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.937123][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.937338][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.937557][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.937774][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.937981][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.938187][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.938405][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.938619][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.938841][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.939049][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.939260][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.939471][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.939699][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.939903][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.940098][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.940276][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.940446][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.940623][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.940795][   T12]  kthread (kernel/kthread.c:436)
[   68.940931][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.941120][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.941293][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.941460][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.941671][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.941834][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.941997][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.944597][   T12] ------------[ cut here ]------------
| [   68.945541][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.945875][   T12] Modules linked in: xfrm_user nf_tables
| [   68.946445][   T12] Tainted: [W]=WARN
[   68.946630][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.946878][   T12] Workqueue: netns cleanup_net
[   68.947092][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.947345][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.947875][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.948127][   T12] RAX: 00000000ffffffa6 RBX: ff11000014d3aac0 RCX: 1ff4000000018eed
[   68.948397][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d3ab7c
[   68.948683][   T12] RBP: ff11000012031000 R08: 1fe22000029a7571 R09: ff11000001aed1d0
[   68.948943][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.949214][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.949478][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.949792][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.950031][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   68.950312][   T12] PKRU: 55555554
[   68.950489][   T12] Call Trace:
[   68.950713][   T12]  <TASK>
[   68.950864][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.951137][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.951381][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.951596][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.951824][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.952032][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.952250][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.952440][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.952642][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.952819][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.952987][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.953152][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.953333][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.953502][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.953686][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.953852][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.954024][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.954186][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.954365][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.954535][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.954713][   T12]  kthread (kernel/kthread.c:436)
[   68.954851][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.955046][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.955223][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.955389][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.955591][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.955773][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.955937][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.958540][   T12] ------------[ cut here ]------------
| [   68.959472][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.959810][   T12] Modules linked in: xfrm_user nf_tables
| [   68.960382][   T12] Tainted: [W]=WARN
[   68.960564][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.960812][   T12] Workqueue: netns cleanup_net
[   68.961024][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.961274][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.961814][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.962050][   T12] RAX: 00000000ffffffa6 RBX: ff11000014d3b1c0 RCX: 1ff4000000018eed
[   68.962322][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d3b27c
[   68.962594][   T12] RBP: ff11000012a0c000 R08: 1fe22000029a7651 R09: ff11000001aed1d0
[   68.962867][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.963129][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.963401][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.963718][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.963954][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   68.964252][   T12] PKRU: 55555554
[   68.964428][   T12] Call Trace:
[   68.964610][   T12]  <TASK>
[   68.964773][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.965015][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.965257][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.965466][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.965696][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.965901][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.966108][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.966323][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.966568][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.966789][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.967000][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.967216][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.967422][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.967636][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.967856][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.968019][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.968186][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.968360][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.968532][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.968715][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.968878][   T12]  kthread (kernel/kthread.c:436)
[   68.969012][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.969210][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.969376][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.969548][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.969754][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.969916][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.970079][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.972753][   T12] ------------[ cut here ]------------
| [   68.972914][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.973186][   T12] Modules linked in: xfrm_user nf_tables
| [   68.973986][   T12] Tainted: [W]=WARN
[   68.974219][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.974499][   T12] Workqueue: netns cleanup_net
[   68.974779][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.975071][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.975648][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.975996][   T12] RAX: 00000000ffffffa6 RBX: ff11000014d3b8c0 RCX: 1ff4000000018eed
[   68.976265][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d3b97c
[   68.976541][   T12] RBP: ff11000010bd1000 R08: 1fe22000029a7731 R09: ff11000001aed1d0
[   68.976818][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.977081][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.977354][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.977667][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.977908][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   68.978172][   T12] PKRU: 55555554
[   68.978354][   T12] Call Trace:
[   68.978540][   T12]  <TASK>
[   68.978705][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.978946][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.979179][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.979401][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.979621][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.979838][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.980046][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.980265][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.980480][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.980709][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.980925][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.981133][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.981350][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.981569][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.981791][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.982026][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.982246][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.982457][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.982692][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.982905][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.983113][   T12]  kthread (kernel/kthread.c:436)
[   68.983295][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.983545][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.983767][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.983971][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.984165][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.984337][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.984503][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.986936][   T12] ------------[ cut here ]------------
| [   68.987092][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.987371][   T12] Modules linked in: xfrm_user nf_tables
| [   68.988345][   T12] Tainted: [W]=WARN
[   68.988582][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.988880][   T12] Workqueue: netns cleanup_net
[   68.989136][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.989401][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   68.989978][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.990225][   T12] RAX: 00000000ffffffa6 RBX: ff11000014d3bc40 RCX: 1ff4000000018eed
[   68.990486][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d3bcfc
[   68.990766][   T12] RBP: ff1100000fcb9000 R08: 1fe22000029a77a1 R09: ff11000001aed1d0
[   68.991031][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.991303][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.991573][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   68.991884][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.992128][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   68.992433][   T12] PKRU: 55555554
[   68.992619][   T12] Call Trace:
[   68.992810][   T12]  <TASK>
[   68.992990][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.993238][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.993474][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.993706][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.993916][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.994122][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.994340][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.994559][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.994787][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.994990][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.995212][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.995420][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.995634][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.995867][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.996076][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.996296][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.996511][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.996738][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.996950][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.997164][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.997379][   T12]  kthread (kernel/kthread.c:436)
[   68.997564][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.997816][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.998050][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.998342][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.998638][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.998903][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.999153][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.001966][   T12] ------------[ cut here ]------------
| [   69.002091][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   69.002324][   T12] Modules linked in: xfrm_user nf_tables
| [   69.003283][   T12] Tainted: [W]=WARN
[   69.003439][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.003590][   T12] Workqueue: netns cleanup_net
[   69.003881][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.004034][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.004450][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   69.004602][   T12] RAX: 00000000ffffffa6 RBX: ff1100001243f8c0 RCX: 1ff4000000018eed
[   69.004861][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243f97c
[   69.005034][   T12] RBP: ff1100000df64000 R08: 1fe2200002487f31 R09: ff11000001aed1d0
[   69.005211][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   69.005387][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.005569][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   69.005861][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.006007][   T12] CR2: 00007f5a612127d0 CR3: 000000004994d001 CR4: 0000000000771ef0
[   69.006183][   T12] PKRU: 55555554
[   69.006273][   T12] Call Trace:
[   69.006360][   T12]  <TASK>
[   69.006420][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.006572][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.006803][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   69.006920][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   69.007037][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.007153][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   69.007281][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.007397][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   69.007517][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.007634][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.007840][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.007956][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.008072][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.008188][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.008313][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.008431][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.008556][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.008760][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.008880][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.009000][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.009116][   T12]  kthread (kernel/kthread.c:436)
[   69.009208][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.009357][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.009472][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.009591][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.009822][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.009939][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.010059][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.027273][   T12] ------------[ cut here ]------------
| [   69.027448][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   69.027755][   T12] Modules linked in: xfrm_user nf_tables
| [   69.028272][   T12] Tainted: [W]=WARN
[   69.028444][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.028663][   T12] Workqueue: netns cleanup_net
[   69.028841][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.029048][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.029554][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   69.029823][   T12] RAX: 00000000ffffffa6 RBX: ff1100001243ec80 RCX: 1ff4000000018eaf
[   69.030101][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243ed3c
[   69.030385][   T12] RBP: ff1100000f1a4000 R08: 1fe2200002487da9 R09: ff11000001aed1d0
[   69.030644][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   69.030891][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009949000
[   69.031122][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.031389][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.031600][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.031844][   T12] PKRU: 55555554
[   69.031981][   T12] Call Trace:
[   69.032120][   T12]  <TASK>
[   69.032236][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.032413][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.032563][   T12]  netif_close_many (net/core/dev.c:1804)
[   69.032757][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.032927][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.033096][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.033276][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   69.033446][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   69.033666][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   69.033867][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.034038][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.034248][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.034417][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.034598][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   69.034784][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   69.034954][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   69.035125][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   69.035303][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   69.035477][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.035664][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.035839][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.036009][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.036177][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.036355][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.036529][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.036717][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.036892][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.037062][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.037243][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.037417][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.037593][   T12]  kthread (kernel/kthread.c:436)
[   69.037749][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.037947][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.038117][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.038308][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.038509][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.038701][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.038872][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.042009][   T12] ------------[ cut here ]------------
| [   69.042173][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   69.042470][   T12] Modules linked in: xfrm_user nf_tables
| [   69.043136][   T12] Tainted: [W]=WARN
[   69.043332][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.043595][   T12] Workqueue: netns cleanup_net
[   69.043834][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.044124][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.044684][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   69.044959][   T12] RAX: 00000000ffffffa6 RBX: ff110000134feac0 RCX: 1ff4000000018eaf
[   69.045256][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000134feb7c
[   69.045541][   T12] RBP: ff11000009949000 R08: 1fe220000269fd71 R09: ff11000001aed1d0
[   69.045859][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   69.046148][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012481000
[   69.046467][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.046809][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.047073][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.047383][   T12] PKRU: 55555554
[   69.047574][   T12] Call Trace:
[   69.047802][   T12]  <TASK>
[   69.047963][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.048196][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.048440][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.048635][   T12]  netif_close_many (net/core/dev.c:1804)
[   69.048901][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.049130][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.049379][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.049620][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   69.049865][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   69.050140][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   69.050395][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.050579][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.050791][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.050961][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.051136][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   69.051314][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   69.051484][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   69.051674][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   69.051845][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   69.052017][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.052186][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.052368][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.052545][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.052733][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.052904][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.053072][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.053249][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.053424][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.053601][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.053789][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.053965][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.054137][   T12]  kthread (kernel/kthread.c:436)
[   69.054282][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.054480][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.054668][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.054873][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.055074][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.055251][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.055424][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.058739][   T12] ------------[ cut here ]------------
| [   69.058906][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   69.059192][   T12] Modules linked in: xfrm_user nf_tables
| [   69.059786][   T12] Tainted: [W]=WARN
[   69.059974][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.060230][   T12] Workqueue: netns cleanup_net
[   69.060483][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.060758][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.061299][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   69.061566][   T12] RAX: 00000000ffffffa6 RBX: ff11000010040900 RCX: 1ff4000000018eaf
[   69.061855][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000100409bc
[   69.062134][   T12] RBP: ff11000012481000 R08: 1fe2200002008139 R09: ff11000001aed1d0
[   69.062434][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   69.062732][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012bbc000
[   69.063012][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.063332][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.063586][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.063877][   T12] PKRU: 55555554
[   69.064063][   T12] Call Trace:
[   69.064257][   T12]  <TASK>
[   69.064416][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.064706][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.064924][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.065114][   T12]  netif_close_many (net/core/dev.c:1804)
[   69.065341][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.065564][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.065795][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.066013][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   69.066239][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   69.066491][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   69.066756][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.066975][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.067182][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.067360][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.067539][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   69.067726][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   69.067898][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   69.068074][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   69.068253][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   69.068425][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.068602][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.068789][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.068962][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.069132][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.069313][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.069484][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.069675][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.069849][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.070021][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.070196][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.070385][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.070563][   T12]  kthread (kernel/kthread.c:436)
[   69.070717][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.070915][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.071086][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.071280][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.071481][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.071673][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.071852][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.076628][   T12] ------------[ cut here ]------------
| [   69.076806][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   69.077101][   T12] Modules linked in: xfrm_user nf_tables
| [   69.077620][   T12] Tainted: [W]=WARN
[   69.077828][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.078142][   T12] Workqueue: netns cleanup_net
[   69.078418][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.078699][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.079235][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   69.079485][   T12] RAX: 00000000ffffffa6 RBX: ff11000010044580 RCX: 1ff4000000018eaf
[   69.079778][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001004463c
[   69.080051][   T12] RBP: ff11000012bbc000 R08: 1fe22000020088c9 R09: ff11000001aed1d0
[   69.080337][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   69.080632][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ea31000
[   69.080923][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.081237][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.081485][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.081781][   T12] PKRU: 55555554
[   69.081967][   T12] Call Trace:
[   69.082151][   T12]  <TASK>
[   69.082319][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.082548][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.082781][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.082969][   T12]  netif_close_many (net/core/dev.c:1804)
[   69.083185][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.083411][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.083635][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.083865][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   69.084082][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   69.084332][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   69.084587][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.084818][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.085062][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.085285][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.085516][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   69.085753][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   69.085972][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   69.086187][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   69.086402][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   69.086582][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.086763][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.086937][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.087106][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.087280][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.087452][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.087627][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.087811][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.087984][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.088153][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.088337][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.088516][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.088699][   T12]  kthread (kernel/kthread.c:436)
[   69.088837][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.089033][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.089211][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.089381][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.089590][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.089772][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.089941][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.092010][   T12] ------------[ cut here ]------------
| [   69.092171][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   69.092460][   T12] Modules linked in: xfrm_user nf_tables
| [   69.092978][   T12] Tainted: [W]=WARN
[   69.093117][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.093324][   T12] Workqueue: netns cleanup_net
[   69.093498][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.093835][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.094447][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   69.094809][   T12] RAX: 00000000ffffffa6 RBX: ff11000010044c80 RCX: 1ff4000000018eaf
[   69.095104][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010044d3c
[   69.095407][   T12] RBP: ff1100000ea31000 R08: 1fe22000020089a9 R09: ff11000001aed1d0
[   69.095779][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   69.096111][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014c81000
[   69.096351][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.096619][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.096829][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.097064][   T12] PKRU: 55555554
[   69.097202][   T12] Call Trace:
[   69.097379][   T12]  <TASK>
[   69.097489][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.097681][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.097851][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.097991][   T12]  netif_close_many (net/core/dev.c:1804)
[   69.098159][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.098339][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.098509][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.098695][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   69.098865][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   69.099065][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   69.099275][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.099445][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.099666][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.099836][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.100010][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   69.100181][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   69.100359][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   69.100531][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   69.100718][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   69.100889][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.101058][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.101238][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.101408][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.101583][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.101765][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.101934][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.102104][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.102285][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.102453][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.102633][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.102820][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.102987][   T12]  kthread (kernel/kthread.c:436)
[   69.103126][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.103330][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.103503][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.103691][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.103890][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.104062][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.104240][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.107367][   T12] ------------[ cut here ]------------
| [   69.107538][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   69.108096][   T12] Modules linked in: xfrm_user nf_tables
| [   69.108785][   T12] Tainted: [W]=WARN
[   69.108972][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.109267][   T12] Workqueue: netns cleanup_net
[   69.109523][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.109788][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.110329][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   69.110581][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d299380 RCX: 1ff4000000018eaf
[   69.110871][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d29943c
[   69.111150][   T12] RBP: ff11000014c81000 R08: 1fe2200001a53289 R09: ff11000001aed1d0
[   69.111434][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   69.111731][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   69.112009][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.112331][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.112581][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.112874][   T12] PKRU: 55555554
[   69.113062][   T12] Call Trace:
[   69.113254][   T12]  <TASK>
[   69.113442][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.113683][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.113905][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.114094][   T12]  netif_close_many (net/core/dev.c:1804)
[   69.114323][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.114548][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.114778][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.114994][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   69.115218][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   69.115467][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   69.115739][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.115961][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.116213][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.116431][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.116676][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   69.116922][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   69.117159][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   69.117392][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   69.117607][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   69.117790][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.117958][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.118132][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.118313][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.118480][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.118671][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.118840][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.119012][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.119185][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.119360][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.119535][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.119725][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.119894][   T12]  kthread (kernel/kthread.c:436)
[   69.120037][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.120244][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.120415][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.120592][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.120804][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.120977][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.121151][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.123708][   T12] ------------[ cut here ]------------
| [   69.123867][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   69.124147][   T12] Modules linked in: xfrm_user nf_tables
| [   69.124637][   T12] Tainted: [W]=WARN
[   69.125318][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.125571][   T12] Workqueue: netns cleanup_net
[   69.125803][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.126049][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.126575][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   69.126828][   T12] RAX: 00000000ffffffa6 RBX: ff110000102f8200 RCX: 1ff4000000018ed5
[   69.127092][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102f82bc
[   69.127365][   T12] RBP: ff1100000f1a4000 R08: 1fe220000205f059 R09: ff11000001aed1d0
[   69.127636][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   69.127915][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.128185][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.128489][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.128744][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.129011][   T12] PKRU: 55555554
[   69.129189][   T12] Call Trace:
[   69.129375][   T12]  <TASK>
[   69.129536][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.129794][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.130030][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.130249][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.130465][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   69.130697][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   69.130906][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   69.131116][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   69.131404][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   69.131721][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.132015][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.132179][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.132352][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.132522][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.132703][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.132872][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.133038][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.133215][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.133379][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.133556][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.133735][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.133899][   T12]  kthread (kernel/kthread.c:436)
[   69.134034][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.134233][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.134402][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.134576][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.134784][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.134949][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.135114][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.137907][   T12] ------------[ cut here ]------------
| [   69.138066][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   69.138344][   T12] Modules linked in: xfrm_user nf_tables
| [   69.139009][   T12] Tainted: [W]=WARN
[   69.139228][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.139465][   T12] Workqueue: netns cleanup_net
[   69.139704][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.139971][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.140522][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   69.140775][   T12] RAX: 00000000ffffffa6 RBX: ff110000102f8ac0 RCX: 1ff4000000018ed5
[   69.141052][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102f8b7c
[   69.141327][   T12] RBP: ff11000009949000 R08: 1fe220000205f171 R09: ff11000001aed1d0
[   69.141600][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   69.141877][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.142144][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.142453][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.142712][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.143009][   T12] PKRU: 55555554
[   69.143187][   T12] Call Trace:
[   69.143384][   T12]  <TASK>
[   69.143546][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.143806][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.144045][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.144265][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.144481][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   69.144710][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   69.144920][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   69.145128][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   69.145352][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   69.145574][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.145798][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.146010][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.146230][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.146439][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.146671][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.146883][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.147095][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.147318][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.147538][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.147793][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.148054][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.148288][   T12]  kthread (kernel/kthread.c:436)
[   69.148501][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.148748][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.148926][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.149092][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.149296][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.149464][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.149639][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.152389][   T12] ------------[ cut here ]------------
| [   69.152551][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   69.153264][   T12] Modules linked in: xfrm_user nf_tables
| [   69.153861][   T12] Tainted: [W]=WARN
[   69.154041][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.154286][   T12] Workqueue: netns cleanup_net
[   69.154506][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.154776][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.155314][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   69.155578][   T12] RAX: 00000000ffffffa6 RBX: ff110000102f9380 RCX: 1ff4000000018ed5
[   69.155917][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102f943c
[   69.156185][   T12] RBP: ff11000012481000 R08: 1fe220000205f289 R09: ff11000001aed1d0
[   69.156458][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   69.156745][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.157013][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.157321][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.157565][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.157848][   T12] PKRU: 55555554
[   69.158037][   T12] Call Trace:
[   69.158224][   T12]  <TASK>
[   69.158379][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.158634][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.158895][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.159155][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.159457][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   69.159752][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   69.160010][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   69.160276][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   69.160548][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   69.160820][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.161087][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.161334][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.161501][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.161686][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.161852][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.162018][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.162186][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.162364][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.162530][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.162712][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.162882][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.163046][   T12]  kthread (kernel/kthread.c:436)
[   69.163219][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.163430][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.163635][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.163814][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.164010][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.164176][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.164349][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.167184][   T12] ------------[ cut here ]------------
| [   69.167353][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   69.167638][   T12] Modules linked in: xfrm_user nf_tables
| [   69.168552][   T12] Tainted: [W]=WARN
[   69.168746][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.168993][   T12] Workqueue: netns cleanup_net
[   69.169228][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.169480][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.170009][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   69.170257][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a118580 RCX: 1ff4000000018ed5
[   69.170534][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a11863c
[   69.170812][   T12] RBP: ff11000012bbc000 R08: 1fe22000014230c9 R09: ff11000001aed1d0
[   69.171077][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   69.171354][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.171636][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.171945][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.172185][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.172461][   T12] PKRU: 55555554
[   69.172647][   T12] Call Trace:
[   69.172879][   T12]  <TASK>
[   69.173033][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.173307][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.173555][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.173779][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.173994][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   69.174214][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   69.174426][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   69.174646][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   69.175010][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   69.175290][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.175514][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.175698][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.175866][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.176030][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.176195][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.176371][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.176541][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.176723][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.176888][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.177059][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.177234][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.177399][   T12]  kthread (kernel/kthread.c:436)
[   69.177543][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.177751][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.177916][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.178081][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.178282][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.178447][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.178620][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.181340][   T12] ------------[ cut here ]------------
| [   69.181505][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   69.182428][   T12] Modules linked in: xfrm_user nf_tables
| [   69.183068][   T12] Tainted: [W]=WARN
[   69.183258][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.183496][   T12] Workqueue: netns cleanup_net
[   69.183737][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.183987][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.184521][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   69.184774][   T12] RAX: 00000000ffffffa6 RBX: ff11000010b84c80 RCX: 1ff4000000018ed5
[   69.185043][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010b84d3c
[   69.185322][   T12] RBP: ff1100000ea31000 R08: 1fe22000021709a9 R09: ff11000001aed1d0
[   69.185594][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   69.185873][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.186140][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.186442][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.186701][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.186970][   T12] PKRU: 55555554
[   69.187149][   T12] Call Trace:
[   69.187340][   T12]  <TASK>
[   69.187494][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.187772][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.188012][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.188230][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.188445][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   69.188677][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   69.188896][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   69.189110][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   69.189327][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   69.189548][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.189768][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.189980][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.190189][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.190406][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.190626][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.190847][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.191085][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.191352][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.191627][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.191906][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.192166][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.192437][   T12]  kthread (kernel/kthread.c:436)
[   69.192687][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.192971][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.193192][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.193367][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.193568][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.193747][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.193913][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.196751][   T12] ------------[ cut here ]------------
| [   69.196912][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   69.197186][   T12] Modules linked in: xfrm_user nf_tables
| [   69.197782][   T12] Tainted: [W]=WARN
[   69.197997][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.198278][   T12] Workqueue: netns cleanup_net
[   69.198489][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.198751][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.199271][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   69.199519][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fecc040 RCX: 1ff4000000018ed5
[   69.199829][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fecc0fc
[   69.200109][   T12] RBP: ff11000014c81000 R08: 1fe2200001fd9821 R09: ff11000001aed1d0
[   69.200381][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   69.200668][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.200937][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.201245][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.201486][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.201773][   T12] PKRU: 55555554
[   69.201952][   T12] Call Trace:
[   69.202132][   T12]  <TASK>
[   69.202294][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.202549][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.202806][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.203018][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.203241][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   69.203458][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   69.203691][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   69.203903][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   69.204117][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   69.204369][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.204588][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.204815][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.205029][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.205246][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.205459][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.205691][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.205906][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.206123][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.206393][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.206678][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.206952][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.207218][   T12]  kthread (kernel/kthread.c:436)
[   69.207368][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.207568][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.207752][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.207919][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.208113][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.208288][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.208458][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.246813][ T1853] ------------[ cut here ]------------
| [   69.246965][ T1853] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1853
| [   69.247229][ T1853] Modules linked in: xfrm_user nf_tables
| [   69.247636][ T1853] Tainted: [W]=WARN
[   69.247741][ T1853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.247905][ T1853] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.248073][ T1853] 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
[   69.248546][ T1853] RSP: 0018:ffa00000026bfa80 EFLAGS: 00010286
[   69.248715][ T1853] RAX: 00000000ffffffa6 RBX: ff1100000fecdc40 RCX: 1ff40000004d7f16
[   69.248909][ T1853] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fecdcfc
[   69.249102][ T1853] RBP: ff1100000d4b9000 R08: 1fe2200001fd9ba1 R09: ff1100000f99d180
[   69.249303][ T1853] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   69.249496][ T1853] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d4b9000
[   69.249699][ T1853] FS:  00007fd64c524840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   69.249928][ T1853] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.250091][ T1853] CR2: 00007fd64c730690 CR3: 000000000fd50005 CR4: 0000000000771ef0
[   69.250292][ T1853] PKRU: 55555554
[   69.250390][ T1853] Call Trace:
[   69.250488][ T1853]  <TASK>
[   69.250558][ T1853]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.250696][ T1853]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.250828][ T1853]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.250927][ T1853]  register_netdevice (net/core/dev.c:11488)
[   69.251058][ T1853]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   69.251222][ T1853]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   69.251354][ T1853]  register_netdev (net/core/dev.c:11552)
[   69.251485][ T1853]  loopback_net_init (drivers/net/loopback.c:218)
[   69.251620][ T1853]  ops_init (net/core/net_namespace.c:137)
[   69.251735][ T1853]  setup_net (net/core/net_namespace.c:446)
[   69.251836][ T1853]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   69.251966][ T1853]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   69.252096][ T1853]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   69.252232][ T1853]  copy_net_ns (net/core/net_namespace.c:579)
[   69.252363][ T1853]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.252498][ T1853]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.252633][ T1853]  ksys_unshare (kernel/fork.c:3243)
[   69.252841][ T1853]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   69.252974][ T1853]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   69.253102][ T1853]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   69.253241][ T1853]  ? __ia32_sys_open (fs/open.c:1374)
[   69.253373][ T1853]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.253506][ T1853]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   69.253637][ T1853]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.253836][ T1853]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.253966][ T1853]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.254095][ T1853]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.254262][ T1853] RIP: 0033:0x7fd64c7e6bcb
[   69.254400][ T1853] 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
[   69.254942][ T1853] RSP: 002b:00007ffe727cc6b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   69.255136][ T1853] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd64c7e6bcb
[   69.255336][ T1853] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.255534][ T1853] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.255747][ T1853] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe727ce8e0
[   69.255941][ T1853] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe727cf888
| [   69.260147][ T1853] ------------[ cut here ]------------
| [   69.260286][ T1853] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1853
| [   69.260546][ T1853] Modules linked in: xfrm_user nf_tables
| [   69.261083][ T1853] Tainted: [W]=WARN
[   69.261183][ T1853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.261350][ T1853] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.261519][ T1853] 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
[   69.261989][ T1853] RSP: 0018:ffa00000026bf918 EFLAGS: 00010286
[   69.262154][ T1853] RAX: 00000000ffffffa6 RBX: ff1100001544e040 RCX: 1ff40000004d7ee9
[   69.262352][ T1853] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001544e0fc
[   69.262546][ T1853] RBP: ff11000008be9000 R08: 1fe2200002a89c21 R09: ff1100000f99d180
[   69.262746][ T1853] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   69.262942][ T1853] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008be9000
[   69.263137][ T1853] FS:  00007fd64c524840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   69.263370][ T1853] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.263535][ T1853] CR2: 00007fd64c730690 CR3: 000000000fd50005 CR4: 0000000000771ef0
[   69.263734][ T1853] PKRU: 55555554
[   69.263831][ T1853] Call Trace:
[   69.263927][ T1853]  <TASK>
[   69.263995][ T1853]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.264125][ T1853]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.264263][ T1853]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.264363][ T1853]  register_netdevice (net/core/dev.c:11488)
[   69.264495][ T1853]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   69.264667][ T1853]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   69.264799][ T1853]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   69.264929][ T1853]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   69.265059][ T1853]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   69.265190][ T1853]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   69.265326][ T1853]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   69.265458][ T1853]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   69.265595][ T1853]  ops_init (net/core/net_namespace.c:137)
[   69.265700][ T1853]  setup_net (net/core/net_namespace.c:446)
[   69.265798][ T1853]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   69.265928][ T1853]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   69.266057][ T1853]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   69.266190][ T1853]  copy_net_ns (net/core/net_namespace.c:579)
[   69.266327][ T1853]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.266458][ T1853]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.266594][ T1853]  ksys_unshare (kernel/fork.c:3243)
[   69.266729][ T1853]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   69.266859][ T1853]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   69.266989][ T1853]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   69.267119][ T1853]  ? __ia32_sys_open (fs/open.c:1374)
[   69.267253][ T1853]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.267382][ T1853]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   69.267515][ T1853]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.267644][ T1853]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.267778][ T1853]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.267907][ T1853]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.268069][ T1853] RIP: 0033:0x7fd64c7e6bcb
[   69.268206][ T1853] 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
[   69.268679][ T1853] RSP: 002b:00007ffe727cc6b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   69.268874][ T1853] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd64c7e6bcb
[   69.269068][ T1853] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.269268][ T1853] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.269461][ T1853] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe727ce8e0
[   69.269663][ T1853] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe727cf888
| [   69.280367][ T1853] ------------[ cut here ]------------
| [   69.280511][ T1853] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1853
| [   69.280774][ T1853] Modules linked in: xfrm_user nf_tables
| [   69.281174][ T1853] Tainted: [W]=WARN
[   69.281285][ T1853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.281450][ T1853] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.281626][ T1853] 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
[   69.282096][ T1853] RSP: 0018:ffa00000026bf8f8 EFLAGS: 00010286
[   69.282266][ T1853] RAX: 00000000ffffffa6 RBX: ff1100000e9a9000 RCX: 1ff40000004d7ee5
[   69.282461][ T1853] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e9a90bc
[   69.282666][ T1853] RBP: ff11000009b74000 R08: 1fe2200001d35219 R09: ff1100000f99d180
[   69.282863][ T1853] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   69.283058][ T1853] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b74000
[   69.283259][ T1853] FS:  00007fd64c524840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   69.283489][ T1853] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.283662][ T1853] CR2: 00007fd64c730690 CR3: 000000000fd50005 CR4: 0000000000771ef0
[   69.283860][ T1853] PKRU: 55555554
[   69.283959][ T1853] Call Trace:
[   69.284057][ T1853]  <TASK>
[   69.284125][ T1853]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.284262][ T1853]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.284395][ T1853]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.284496][ T1853]  register_netdevice (net/core/dev.c:11488)
[   69.284633][ T1853]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   69.284805][ T1853]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   69.284938][ T1853]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   69.285069][ T1853]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   69.285200][ T1853]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   69.285340][ T1853]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   69.285472][ T1853]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   69.285608][ T1853]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   69.285745][ T1853]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   69.285879][ T1853]  vti_init_net (net/ipv4/ip_vti.c:517)
[   69.286010][ T1853]  ops_init (net/core/net_namespace.c:137)
[   69.286111][ T1853]  setup_net (net/core/net_namespace.c:446)
[   69.286214][ T1853]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   69.286347][ T1853]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   69.286478][ T1853]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   69.286613][ T1853]  copy_net_ns (net/core/net_namespace.c:579)
[   69.286752][ T1853]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.286887][ T1853]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.287019][ T1853]  ksys_unshare (kernel/fork.c:3243)
[   69.287149][ T1853]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   69.287285][ T1853]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   69.287417][ T1853]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   69.287550][ T1853]  ? __ia32_sys_open (fs/open.c:1374)
[   69.287690][ T1853]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.287820][ T1853]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   69.287951][ T1853]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.288081][ T1853]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.288217][ T1853]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.288348][ T1853]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.288513][ T1853] RIP: 0033:0x7fd64c7e6bcb
[   69.288648][ T1853] 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
[   69.289118][ T1853] RSP: 002b:00007ffe727cc6b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   69.289322][ T1853] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd64c7e6bcb
[   69.289516][ T1853] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.289717][ T1853] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.289912][ T1853] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe727ce8e0
[   69.290109][ T1853] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe727cf888
| [   69.294156][ T1853] ------------[ cut here ]------------
| [   69.294296][ T1853] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1853
| [   69.294554][ T1853] Modules linked in: xfrm_user nf_tables
| [   69.295015][ T1853] Tainted: [W]=WARN
[   69.295114][ T1853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.295281][ T1853] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.295449][ T1853] 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
[   69.295915][ T1853] RSP: 0018:ffa00000026bfa78 EFLAGS: 00010286
[   69.296080][ T1853] RAX: 00000000ffffffa6 RBX: ff1100000e9a8200 RCX: 1ff40000004d7f15
[   69.296279][ T1853] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e9a82bc
[   69.296471][ T1853] RBP: ff11000014c34000 R08: 1fe2200001d35059 R09: ff1100000f99d180
[   69.296673][ T1853] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   69.296867][ T1853] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014c34000
[   69.297062][ T1853] FS:  00007fd64c524840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   69.297293][ T1853] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.297453][ T1853] CR2: 00007fd64c730690 CR3: 000000000fd50005 CR4: 0000000000771ef0
[   69.297660][ T1853] PKRU: 55555554
[   69.297757][ T1853] Call Trace:
[   69.297854][ T1853]  <TASK>
[   69.297922][ T1853]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.298052][ T1853]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.298182][ T1853]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.298285][ T1853]  register_netdevice (net/core/dev.c:11488)
[   69.298416][ T1853]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   69.298579][ T1853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.298717][ T1853]  register_netdev (net/core/dev.c:11552)
[   69.298848][ T1853]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   69.298979][ T1853]  ops_init (net/core/net_namespace.c:137)
[   69.299079][ T1853]  setup_net (net/core/net_namespace.c:446)
[   69.299178][ T1853]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   69.299311][ T1853]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   69.299441][ T1853]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   69.299577][ T1853]  copy_net_ns (net/core/net_namespace.c:579)
[   69.299715][ T1853]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.299848][ T1853]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.299980][ T1853]  ksys_unshare (kernel/fork.c:3243)
[   69.300110][ T1853]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   69.300245][ T1853]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   69.300376][ T1853]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   69.300510][ T1853]  ? __ia32_sys_open (fs/open.c:1374)
[   69.300641][ T1853]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.300776][ T1853]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   69.300905][ T1853]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.301035][ T1853]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.301164][ T1853]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.301299][ T1853]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.301461][ T1853] RIP: 0033:0x7fd64c7e6bcb
[   69.301598][ T1853] 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
[   69.302061][ T1853] RSP: 002b:00007ffe727cc6b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   69.302262][ T1853] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd64c7e6bcb
[   69.302456][ T1853] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.302658][ T1853] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.302851][ T1853] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe727ce8e0
[   69.303043][ T1853] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe727cf888
| [   69.307099][ T1853] ------------[ cut here ]------------
| [   69.307236][ T1853] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1853
| [   69.307493][ T1853] Modules linked in: xfrm_user nf_tables
| [   69.307895][ T1853] Tainted: [W]=WARN
[   69.307994][ T1853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.308156][ T1853] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.308329][ T1853] 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
[   69.308798][ T1853] RSP: 0018:ffa00000026bfa68 EFLAGS: 00010286
[   69.308966][ T1853] RAX: 00000000ffffffa6 RBX: ff1100001544f8c0 RCX: 1ff40000004d7f13
[   69.309159][ T1853] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001544f97c
[   69.309363][ T1853] RBP: ff1100000f281000 R08: 1fe2200002a89f31 R09: ff1100000f99d180
[   69.309561][ T1853] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   69.309764][ T1853] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f281000
[   69.309960][ T1853] FS:  00007fd64c524840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   69.310191][ T1853] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.310359][ T1853] CR2: 00007fd64c730690 CR3: 000000000fd50005 CR4: 0000000000771ef0
[   69.310558][ T1853] PKRU: 55555554
[   69.310661][ T1853] Call Trace:
[   69.310759][ T1853]  <TASK>
[   69.310826][ T1853]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.310957][ T1853]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.311089][ T1853]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.311188][ T1853]  register_netdevice (net/core/dev.c:11488)
[   69.311326][ T1853]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   69.311490][ T1853]  register_netdev (net/core/dev.c:11552)
[   69.311624][ T1853]  sit_init_net (net/ipv6/sit.c:1860)
[   69.311760][ T1853]  ops_init (net/core/net_namespace.c:137)
[   69.311861][ T1853]  setup_net (net/core/net_namespace.c:446)
[   69.311960][ T1853]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   69.312090][ T1853]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   69.312224][ T1853]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   69.312356][ T1853]  copy_net_ns (net/core/net_namespace.c:579)
[   69.312487][ T1853]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.312625][ T1853]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.312761][ T1853]  ksys_unshare (kernel/fork.c:3243)
[   69.312892][ T1853]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   69.313021][ T1853]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   69.313149][ T1853]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   69.313284][ T1853]  ? __ia32_sys_open (fs/open.c:1374)
[   69.313417][ T1853]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.313548][ T1853]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   69.313683][ T1853]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.313814][ T1853]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.313943][ T1853]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.314074][ T1853]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.314239][ T1853] RIP: 0033:0x7fd64c7e6bcb
[   69.314374][ T1853] 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
[   69.314847][ T1853] RSP: 002b:00007ffe727cc6b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   69.315042][ T1853] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd64c7e6bcb
[   69.315239][ T1853] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.315433][ T1853] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.315630][ T1853] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe727ce8e0
[   69.315828][ T1853] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe727cf888
| [   69.320422][ T1853] ------------[ cut here ]------------
| [   69.320565][ T1853] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1853
| [   69.320825][ T1853] Modules linked in: xfrm_user nf_tables
| [   69.321223][ T1853] Tainted: [W]=WARN
[   69.321323][ T1853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.321487][ T1853] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.321664][ T1853] 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
[   69.322128][ T1853] RSP: 0018:ffa00000026bfa78 EFLAGS: 00010286
[   69.322300][ T1853] RAX: 00000000ffffffa6 RBX: ff1100000fbabe00 RCX: 1ff40000004d7f15
[   69.322494][ T1853] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fbabebc
[   69.322696][ T1853] RBP: ff1100001258c000 R08: 1fe2200001f757d9 R09: ff1100000f99d180
[   69.322890][ T1853] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   69.323084][ T1853] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001258c000
[   69.323284][ T1853] FS:  00007fd64c524840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   69.323515][ T1853] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.323683][ T1853] CR2: 00007fd64c730690 CR3: 000000000fd50005 CR4: 0000000000771ef0
[   69.323880][ T1853] PKRU: 55555554
[   69.323979][ T1853] Call Trace:
[   69.324076][ T1853]  <TASK>
[   69.324143][ T1853]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.324277][ T1853]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.324409][ T1853]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.324512][ T1853]  register_netdevice (net/core/dev.c:11488)
[   69.324645][ T1853]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   69.324812][ T1853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.324946][ T1853]  register_netdev (net/core/dev.c:11552)
[   69.325076][ T1853]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   69.325212][ T1853]  ops_init (net/core/net_namespace.c:137)
[   69.325313][ T1853]  setup_net (net/core/net_namespace.c:446)
[   69.325413][ T1853]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   69.325546][ T1853]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   69.325683][ T1853]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   69.325816][ T1853]  copy_net_ns (net/core/net_namespace.c:579)
[   69.325947][ T1853]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.326080][ T1853]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.326216][ T1853]  ksys_unshare (kernel/fork.c:3243)
[   69.326346][ T1853]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   69.326476][ T1853]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   69.326610][ T1853]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   69.326747][ T1853]  ? __ia32_sys_open (fs/open.c:1374)
[   69.326880][ T1853]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.327009][ T1853]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   69.327140][ T1853]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.327275][ T1853]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.327404][ T1853]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.327537][ T1853]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.327702][ T1853] RIP: 0033:0x7fd64c7e6bcb
[   69.327839][ T1853] 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
[   69.328307][ T1853] RSP: 002b:00007ffe727cc6b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   69.328505][ T1853] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd64c7e6bcb
[   69.328707][ T1853] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.328901][ T1853] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.329096][ T1853] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe727ce8e0
[   69.329295][ T1853] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe727cf888
| [   69.348992][   T12] ------------[ cut here ]------------
| [   69.349160][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   69.349450][   T12] Modules linked in: xfrm_user nf_tables
| [   69.349956][   T12] Tainted: [W]=WARN
[   69.350092][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.350296][   T12] Workqueue: netns cleanup_net
[   69.350468][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.350685][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.351145][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   69.351354][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be9f8c0 RCX: 1ff4000000018eed
[   69.351581][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be9f97c
[   69.351814][   T12] RBP: ff11000004f2c000 R08: 1fe22000017d3f31 R09: ff11000001aed1d0
[   69.352035][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   69.352265][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.352490][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.352763][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.352956][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.353182][   T12] PKRU: 55555554
[   69.353327][   T12] Call Trace:
[   69.353465][   T12]  <TASK>
[   69.353579][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.353792][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.354014][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   69.354182][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   69.354358][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.354525][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   69.354711][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.354878][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   69.355045][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.355215][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.355384][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.355559][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.355774][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.355944][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.356110][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.356285][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.356455][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.356631][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.356814][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.356986][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.357150][   T12]  kthread (kernel/kthread.c:436)
[   69.357298][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.357506][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.357691][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.357859][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.358055][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.358228][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.358399][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.361026][   T12] ------------[ cut here ]------------
| [   69.361185][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   69.361471][   T12] Modules linked in: xfrm_user nf_tables
| [   69.361968][   T12] Tainted: [W]=WARN
[   69.362102][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.362305][   T12] Workqueue: netns cleanup_net
[   69.362475][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.362691][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.363149][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   69.363355][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b7000 RCX: 1ff4000000018eed
[   69.363582][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b70bc
[   69.363827][   T12] RBP: ff1100000f8e9000 R08: 1fe2200002036e19 R09: ff11000001aed1d0
[   69.364045][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   69.364275][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.364495][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.364760][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.364952][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.365172][   T12] PKRU: 55555554
[   69.365313][   T12] Call Trace:
[   69.365446][   T12]  <TASK>
[   69.365560][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.365769][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.365959][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   69.366124][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   69.366300][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.366462][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   69.366638][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.366816][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   69.366983][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.367146][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.367322][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.367486][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.367666][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.367833][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.368000][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.368166][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.368343][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.368508][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.368693][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.368862][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.369025][   T12]  kthread (kernel/kthread.c:436)
[   69.369160][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.369363][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.369529][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.369705][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.369899][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.370064][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.370236][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.372908][   T12] ------------[ cut here ]------------
| [   69.373067][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   69.373354][   T12] Modules linked in: xfrm_user nf_tables
| [   69.374362][   T12] Tainted: [W]=WARN
[   69.374497][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.374712][   T12] Workqueue: netns cleanup_net
[   69.374883][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.375079][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.375547][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   69.375753][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b6200 RCX: 1ff4000000018eed
[   69.375973][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b62bc
[   69.376190][   T12] RBP: ff1100000feac000 R08: 1fe2200002036c59 R09: ff11000001aed1d0
[   69.376418][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   69.376643][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.376879][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.377126][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.377330][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.377557][   T12] PKRU: 55555554
[   69.377701][   T12] Call Trace:
[   69.377835][   T12]  <TASK>
[   69.377944][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.378140][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.378334][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   69.378498][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   69.378682][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.378845][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   69.379008][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.379174][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   69.379348][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.379511][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.379693][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.379859][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.380021][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.380186][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.380358][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.380529][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.380708][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.380872][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.381039][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.381215][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.381378][   T12]  kthread (kernel/kthread.c:436)
[   69.381516][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.381723][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.381891][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.382056][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.382252][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.382416][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.382587][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.385004][   T12] ------------[ cut here ]------------
| [   69.385158][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   69.385440][   T12] Modules linked in: xfrm_user nf_tables
| [   69.385931][   T12] Tainted: [W]=WARN
[   69.386066][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.386265][   T12] Workqueue: netns cleanup_net
[   69.386432][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.386637][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.387106][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   69.387306][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda83c0 RCX: 1ff4000000018eed
[   69.387526][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda847c
[   69.387757][   T12] RBP: ff1100000e849000 R08: 1fe2200001bb5091 R09: ff11000001aed1d0
[   69.387975][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   69.388192][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.388420][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.388690][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.388881][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.389102][   T12] PKRU: 55555554
[   69.389242][   T12] Call Trace:
[   69.389377][   T12]  <TASK>
[   69.389483][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.389695][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.389889][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   69.390053][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   69.390224][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.390387][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   69.390559][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.390735][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   69.390901][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.391062][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.391240][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.391404][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.391574][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.391754][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.391919][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.392083][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.392256][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.392422][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.392597][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.392779][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.392942][   T12]  kthread (kernel/kthread.c:436)
[   69.393076][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.393275][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.393439][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.393609][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.393815][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.393978][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.394142][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.396558][   T12] ------------[ cut here ]------------
| [   69.396728][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   69.397002][   T12] Modules linked in: xfrm_user nf_tables
| [   69.397483][   T12] Tainted: [W]=WARN
[   69.397620][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.397822][   T12] Workqueue: netns cleanup_net
[   69.397989][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.398186][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.398677][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   69.398872][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda8900 RCX: 1ff4000000018eed
[   69.399089][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda89bc
[   69.399318][   T12] RBP: ff110000138fc000 R08: 1fe2200001bb5139 R09: ff11000001aed1d0
[   69.399544][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   69.399774][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.399993][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.400251][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.400442][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.400684][   T12] PKRU: 55555554
[   69.400815][   T12] Call Trace:
[   69.400947][   T12]  <TASK>
[   69.401053][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.401255][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.401445][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   69.401617][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   69.401794][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.401956][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   69.402119][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.402290][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   69.402459][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.402629][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.402808][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.402971][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.403136][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.403309][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.403471][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.403640][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.403821][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.403983][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.404150][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.404329][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.404491][   T12]  kthread (kernel/kthread.c:436)
[   69.404632][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.404835][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.404999][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.405164][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.405363][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.405533][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.405712][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.408311][   T12] ------------[ cut here ]------------
| [   69.408471][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   69.408764][   T12] Modules linked in: xfrm_user nf_tables
| [   69.409242][   T12] Tainted: [W]=WARN
[   69.409376][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.409577][   T12] Workqueue: netns cleanup_net
[   69.409758][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.409954][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.410416][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   69.410618][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cedc040 RCX: 1ff4000000018eed
[   69.410848][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cedc0fc
[   69.411065][   T12] RBP: ff11000014c21000 R08: 1fe22000019db821 R09: ff11000001aed1d0
[   69.411293][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   69.411513][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.411749][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.411996][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.412185][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.412413][   T12] PKRU: 55555554
[   69.412555][   T12] Call Trace:
[   69.412701][   T12]  <TASK>
[   69.412808][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.413004][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.413192][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   69.413362][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   69.413529][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.413701][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   69.413868][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.414033][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   69.414199][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.414369][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.414537][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.414716][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.414877][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.415042][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.415216][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.415382][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.415555][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.415730][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.415898][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.416066][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.416238][   T12]  kthread (kernel/kthread.c:436)
[   69.416374][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.416577][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.416755][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.416920][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.417111][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.417280][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.417444][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.420074][   T12] ------------[ cut here ]------------
| [   69.420239][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   69.420519][   T12] Modules linked in: xfrm_user nf_tables
| [   69.421179][   T12] Tainted: [W]=WARN
[   69.421364][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.421607][   T12] Workqueue: netns cleanup_net
[   69.421834][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.422083][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.422594][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   69.422851][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cedc740 RCX: 1ff4000000018eed
[   69.423128][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cedc7fc
[   69.423400][   T12] RBP: ff1100001278c000 R08: 1fe22000019db901 R09: ff11000001aed1d0
[   69.423687][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   69.423951][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.424222][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.424528][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.424778][   T12] CR2: 000055d401a25a78 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.425043][   T12] PKRU: 55555554
[   69.425232][   T12] Call Trace:
[   69.425408][   T12]  <TASK>
[   69.425567][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.425826][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.426063][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   69.426280][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   69.426493][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.426722][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   69.426931][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.427140][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   69.427357][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.427570][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.427794][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.428051][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.428308][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.428587][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.428851][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.429104][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.429373][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.429636][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.429915][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.430137][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.430387][   T12]  kthread (kernel/kthread.c:436)
[   69.430571][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.430821][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.431033][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.431249][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.431486][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.431712][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.431922][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.434935][   T12] ------------[ cut here ]------------
| [   69.435065][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   69.435303][   T12] Modules linked in: xfrm_user nf_tables
| [   69.435696][   T12] Tainted: [W]=WARN
[   69.435785][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.435929][   T12] Workqueue: netns cleanup_net
[   69.436049][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.436200][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.436631][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   69.436781][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cedce40 RCX: 1ff4000000018eed
[   69.436957][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cedcefc
[   69.437129][   T12] RBP: ff11000009939000 R08: 1fe22000019db9e1 R09: ff11000001aed1d0
[   69.437305][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   69.437478][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.437666][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   69.437870][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.438016][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.438189][   T12] PKRU: 55555554
[   69.438282][   T12] Call Trace:
[   69.438368][   T12]  <TASK>
[   69.438430][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.438584][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.438734][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   69.438851][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   69.438974][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.439091][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   69.439216][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.439334][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   69.439458][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.439578][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.439704][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.439822][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.439937][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.440055][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.440171][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.440295][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.440415][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.440534][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.440661][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.440782][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.440897][   T12]  kthread (kernel/kthread.c:436)
[   69.440984][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.441134][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.441256][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.441372][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.441523][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.441638][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.441760][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.449337][   T12] ------------[ cut here ]------------
| [   69.449460][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   69.449700][   T12] Modules linked in: xfrm_user nf_tables
| [   69.450081][   T12] Tainted: [W]=WARN
[   69.450170][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.450321][   T12] Workqueue: netns cleanup_net
[   69.450441][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.450595][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.451015][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   69.451160][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cedd1c0 RCX: 1ff4000000018eed
[   69.451336][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cedd27c
[   69.451511][   T12] RBP: ff11000009a7c000 R08: 1fe22000019dba51 R09: ff11000001aed1d0
[   69.451690][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   69.451865][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.452039][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   69.452245][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.452394][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.452571][   T12] PKRU: 55555554
[   69.452663][   T12] Call Trace:
[   69.452750][   T12]  <TASK>
[   69.452811][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.452958][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.453104][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   69.453226][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   69.453342][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.453459][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   69.453580][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.453702][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   69.453820][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.453934][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.454050][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.454166][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.454286][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.454410][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.454534][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.454656][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.454775][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.454890][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.455014][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.455133][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.455256][   T12]  kthread (kernel/kthread.c:436)
[   69.455344][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.455487][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.455605][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.455724][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.455869][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.455985][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.456103][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.458089][   T12] ------------[ cut here ]------------
| [   69.458210][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   69.458438][   T12] Modules linked in: xfrm_user nf_tables
| [   69.458825][   T12] Tainted: [W]=WARN
[   69.458914][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.459060][   T12] Workqueue: netns cleanup_net
[   69.459181][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.459335][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.459751][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   69.459897][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cedd540 RCX: 1ff4000000018eed
[   69.460070][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cedd5fc
[   69.460246][   T12] RBP: ff1100000aadc000 R08: 1fe22000019dbac1 R09: ff11000001aed1d0
[   69.460418][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   69.460598][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.460778][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   69.460980][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.461130][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.461308][   T12] PKRU: 55555554
[   69.461394][   T12] Call Trace:
[   69.461481][   T12]  <TASK>
[   69.461543][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.461696][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.461839][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   69.461955][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   69.462072][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.462187][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   69.462308][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.462426][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   69.462544][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.462663][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.462782][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.462898][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.463014][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.463131][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.463248][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.463371][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.463490][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.463609][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.463734][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.463859][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.463973][   T12]  kthread (kernel/kthread.c:436)
[   69.464059][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.464208][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.464325][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.464441][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.464592][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.464713][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.464833][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.467166][ T1854] ------------[ cut here ]------------
| [   69.467315][ T1854] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1854
| [   69.467574][ T1854] Modules linked in: xfrm_user nf_tables
| [   69.467990][ T1854] Tainted: [W]=WARN
[   69.468088][ T1854] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.468254][ T1854] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.468423][ T1854] 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
[   69.468897][ T1854] RSP: 0018:ffa00000026bf020 EFLAGS: 00010286
[   69.469059][ T1854] RAX: 00000000ffffffa6 RBX: ff1100000ceddc40 RCX: 1ff40000004d7dca
[   69.469258][ T1854] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceddcfc
[   69.469452][ T1854] RBP: ff1100000d4b9000 R08: 1fe22000019dbba1 R09: ff1100000df25158
[   69.469646][ T1854] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   69.469845][ T1854] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   69.470042][ T1854] FS:  00007f0d0e707840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   69.470275][ T1854] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.470438][ T1854] CR2: 0000000035eca988 CR3: 00000000098d5002 CR4: 0000000000771ef0
[   69.470636][ T1854] PKRU: 55555554
[   69.470740][ T1854] Call Trace:
[   69.470836][ T1854]  <TASK>
[   69.470903][ T1854]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.471036][ T1854]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.471136][ T1854]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   69.471272][ T1854]  __dev_notify_flags (net/core/dev.c:9787)
[   69.471402][ T1854]  ? netif_change_name (net/core/dev.c:1495)
[   69.471535][ T1854]  ? __dev_change_flags (net/core/dev.c:9752)
[   69.471668][ T1854]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   69.471798][ T1854]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.471928][ T1854]  ? 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))
[   69.472061][ T1854]  netif_change_flags (net/core/dev.c:9820)
[   69.472192][ T1854]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   69.472328][ T1854]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   69.472461][ T1854]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   69.472594][ T1854]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   69.472760][ T1854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.472889][ T1854]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.473021][ T1854]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   69.473149][ T1854]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.473283][ T1854]  ? __kernel_text_address (kernel/extable.c:79)
[   69.473414][ T1854]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.473548][ T1854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.473682][ T1854]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   69.473812][ T1854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.473942][ T1854]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.474070][ T1854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.474198][ T1854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.474334][ T1854]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   69.474465][ T1854]  ? __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)
[   69.474597][ T1854]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   69.474731][ T1854]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   69.474861][ T1854]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   69.474993][ T1854]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   69.475127][ T1854]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   69.475265][ T1854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.475394][ T1854]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.475527][ T1854]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.475662][ T1854]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   69.475790][ T1854]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.475922][ T1854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.476052][ T1854]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.476181][ T1854]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.476315][ T1854]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.476447][ T1854]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.476577][ T1854]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   69.476712][ T1854]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.476841][ T1854]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.476969][ T1854]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.477100][ T1854]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.477233][ T1854]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.477362][ T1854]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   69.477493][ T1854]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.477626][ T1854]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.477763][ T1854]  ? 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))
[   69.477891][ T1854]  ? 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))
[   69.478022][ T1854]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.478152][ T1854]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.478286][ T1854]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.478417][ T1854]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   69.478549][ T1854]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   69.478685][ T1854]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   69.478817][ T1854]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   69.478947][ T1854]  ? copy_msghdr_from_user (net/socket.c:2635)
[   69.479078][ T1854]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   69.479244][ T1854]  ? move_addr_to_kernel (net/socket.c:258)
[   69.479375][ T1854]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.479508][ T1854]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.479639][ T1854]  ___sys_sendmsg (net/socket.c:2752)
[   69.479773][ T1854]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   69.479933][ T1854]  ? copy_msghdr_from_user (net/socket.c:2603)
[   69.480075][ T1854]  __sys_sendmsg (net/socket.c:2784)
[   69.480208][ T1854]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   69.480337][ T1854]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   69.480499][ T1854]  ? 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)
[   69.480633][ T1854]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.480769][ T1854]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.480899][ T1854]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.481029][ T1854]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.481158][ T1854]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.481323][ T1854] RIP: 0033:0x7f0d0e94108e
[   69.481458][ T1854] 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
[   69.481927][ T1854] RSP: 002b:00007ffc101a9a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.482124][ T1854] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f0d0e94108e
[   69.482322][ T1854] RDX: 0000000000000000 RSI: 00007ffc101a9b00 RDI: 0000000000000005
[   69.482515][ T1854] RBP: 00007ffc101a9a60 R08: 0000000000000000 R09: 0000000000000000
[   69.482713][ T1854] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d86f
[   69.482907][ T1854] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc101aa1d0
| [   69.489548][   T12] ------------[ cut here ]------------
| [   69.489695][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   69.489940][   T12] Modules linked in: xfrm_user nf_tables
| [   69.490347][   T12] Tainted: [W]=WARN
[   69.490439][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.490602][   T12] Workqueue: netns cleanup_net
[   69.490736][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.490897][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.491334][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   69.491487][   T12] RAX: 00000000ffffffa6 RBX: ff110000120ca040 RCX: 1ff4000000018eaf
[   69.491684][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000120ca0fc
[   69.491866][   T12] RBP: ff1100000f07c000 R08: 1fe2200002419421 R09: ff11000001aed1d0
[   69.492051][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   69.492235][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fcbc000
[   69.492424][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   69.492640][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.492803][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.492994][   T12] PKRU: 55555554
[   69.493094][   T12] Call Trace:
[   69.493193][   T12]  <TASK>
[   69.493262][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.493386][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.493480][   T12]  netif_close_many (net/core/dev.c:1804)
[   69.493603][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.493727][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.493847][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.493970][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   69.494093][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   69.494252][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   69.494405][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.494532][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.494689][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.494809][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.494940][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   69.495064][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   69.495188][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   69.495316][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   69.495439][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   69.495567][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.495692][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.495817][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.495938][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.496063][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.496188][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.496315][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.496437][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.496567][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.496749][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.496875][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.497000][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.497122][   T12]  kthread (kernel/kthread.c:436)
[   69.497218][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.497369][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.497494][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.497619][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.497825][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.497946][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.498070][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.501238][   T12] ------------[ cut here ]------------
| [   69.501379][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   69.501629][   T12] Modules linked in: xfrm_user nf_tables
| [   69.502104][   T12] Tainted: [W]=WARN
[   69.502196][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.502357][   T12] Workqueue: netns cleanup_net
[   69.502485][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.502647][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.503089][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   69.503249][   T12] RAX: 00000000ffffffa6 RBX: ff110000120caac0 RCX: 1ff4000000018eaf
[   69.503432][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000120cab7c
[   69.503618][   T12] RBP: ff1100000fcbc000 R08: 1fe2200002419571 R09: ff11000001aed1d0
[   69.503808][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   69.503995][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eb09000
[   69.504179][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   69.504403][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.504563][   T12] CR2: 000055d3d5b6bd5c CR3: 0000000010af5001 CR4: 0000000000771ef0
[   69.504754][   T12] PKRU: 55555554
[   69.504847][   T12] Call Trace:
[   69.504941][   T12]  <TASK>
[   69.505006][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.505130][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.505260][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.505355][   T12]  netif_close_many (net/core/dev.c:1804)
[   69.505479][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.505604][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.505735][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.505857][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   69.505978][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   69.506131][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   69.506293][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.506415][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.506568][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.506697][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.506823][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   69.506947][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   69.507070][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   69.507192][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   69.507323][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   69.507446][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.507571][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.507699][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.507822][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.507942][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.508065][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.508188][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.508319][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.508445][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.508572][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.508703][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.508834][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.508957][   T12]  kthread (kernel/kthread.c:436)
[   69.509052][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.509218][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.509338][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.509463][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.509620][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.509754][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.509877][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.511524][   T12] ------------[ cut here ]------------
| [   69.511646][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   69.511891][   T12] Modules linked in: xfrm_user nf_tables
| [   69.512305][   T12] Tainted: [W]=WARN
[   69.512397][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.512555][   T12] Workqueue: netns cleanup_net
[   69.512689][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.512847][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.513290][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   69.513443][   T12] RAX: 00000000ffffffa6 RBX: ff110000120cb1c0 RCX: 1ff4000000018eaf
[   69.513628][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000120cb27c
[   69.513816][   T12] RBP: ff1100000eb09000 R08: 1fe2200002419651 R09: ff11000001aed1d0
[   69.513998][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   69.514184][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012b64000
[   69.514374][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   69.514594][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.514754][   T12] CR2: 000055d3d5b6bd5c CR3: 0000000010af5001 CR4: 0000000000771ef0
[   69.514938][   T12] PKRU: 55555554
[   69.515031][   T12] Call Trace:
[   69.515123][   T12]  <TASK>
[   69.515186][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.515317][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.515442][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.515540][   T12]  netif_close_many (net/core/dev.c:1804)
[   69.515666][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.515788][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.515910][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.516032][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   69.516162][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   69.516333][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   69.516499][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.516633][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.516800][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.516930][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.517069][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   69.517208][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   69.517340][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   69.517471][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   69.517607][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   69.517746][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.517879][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.518014][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.518145][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.518281][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.518416][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.518547][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.518686][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.518822][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.518953][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.519092][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.519235][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.519365][   T12]  kthread (kernel/kthread.c:436)
[   69.519465][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.519629][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.519764][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.519897][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.520059][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.520190][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.520328][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.522966][   T12] ------------[ cut here ]------------
| [   69.523095][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   69.523342][   T12] Modules linked in: xfrm_user nf_tables
| [   69.523755][   T12] Tainted: [W]=WARN
[   69.523847][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.524006][   T12] Workqueue: netns cleanup_net
[   69.524133][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.524296][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.524739][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   69.524895][   T12] RAX: 00000000ffffffa6 RBX: ff110000109cd1c0 RCX: 1ff4000000018eaf
[   69.525078][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109cd27c
[   69.525267][   T12] RBP: ff11000012b64000 R08: 1fe2200002139a51 R09: ff11000001aed1d0
[   69.525449][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   69.525635][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   69.525824][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   69.526038][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.526191][   T12] CR2: 000055d3d5b6bd5c CR3: 0000000010af5001 CR4: 0000000000771ef0
[   69.526382][   T12] PKRU: 55555554
[   69.526475][   T12] Call Trace:
[   69.526571][   T12]  <TASK>
[   69.526636][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.526764][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.526896][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.526990][   T12]  netif_close_many (net/core/dev.c:1804)
[   69.527111][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.527238][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.527361][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.527486][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   69.527612][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   69.527776][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   69.527930][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.528052][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.528203][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.528333][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.528461][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   69.528589][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   69.528717][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   69.528841][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   69.528964][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   69.529089][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.529218][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.529346][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.529469][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.529594][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.529724][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.529846][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.529970][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.530096][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.530224][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.530352][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.530480][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.530602][   T12]  kthread (kernel/kthread.c:436)
[   69.530700][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.530854][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.530979][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.531103][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.531263][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.531389][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.531514][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.533580][   T12] ------------[ cut here ]------------
| [   69.533713][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   69.533944][   T12] Modules linked in: xfrm_user nf_tables
| [   69.534339][   T12] Tainted: [W]=WARN
[   69.534431][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.534582][   T12] Workqueue: netns cleanup_net
[   69.535463][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.535625][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.536095][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   69.536247][   T12] RAX: 00000000ffffffa6 RBX: ff1100001542e200 RCX: 1ff4000000018ed5
[   69.536427][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001542e2bc
[   69.536604][   T12] RBP: ff1100000f07c000 R08: 1fe2200002a85c59 R09: ff11000001aed1d0
[   69.536827][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   69.537004][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.537183][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   69.537393][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.537543][   T12] CR2: 000055d3d5b6bd5c CR3: 0000000010af5001 CR4: 0000000000771ef0
[   69.537771][   T12] PKRU: 55555554
[   69.537860][   T12] Call Trace:
[   69.537948][   T12]  <TASK>
[   69.538010][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.538162][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.538315][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.538433][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.538561][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   69.538729][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   69.538847][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   69.538966][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   69.539086][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   69.539214][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.539374][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.539496][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.539619][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.539784][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.539903][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.540021][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.540141][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.540274][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.540391][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.540518][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.540638][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.540803][   T12]  kthread (kernel/kthread.c:436)
[   69.540891][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.541037][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.541158][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.541281][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.541429][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.541549][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.541715][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.551520][   T12] ------------[ cut here ]------------
| [   69.551670][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   69.551908][   T12] Modules linked in: xfrm_user nf_tables
| [   69.552304][   T12] Tainted: [W]=WARN
[   69.552393][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.552548][   T12] Workqueue: netns cleanup_net
[   69.552679][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.552834][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.553260][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   69.553409][   T12] RAX: 00000000ffffffa6 RBX: ff1100001542ee40 RCX: 1ff4000000018ed5
[   69.553586][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001542eefc
[   69.553818][   T12] RBP: ff1100000fcbc000 R08: 1fe2200002a85de1 R09: ff11000001aed1d0
[   69.553998][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   69.554171][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.554353][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   69.554562][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.554771][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.554948][   T12] PKRU: 55555554
[   69.555036][   T12] Call Trace:
[   69.555124][   T12]  <TASK>
[   69.555186][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.555345][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.555492][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.555613][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.555843][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   69.556055][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   69.556174][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   69.556299][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   69.556418][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   69.556546][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.556808][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.556947][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.557067][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.557184][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.557308][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.557425][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.557553][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.557780][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.557898][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.558020][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.558242][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.558360][   T12]  kthread (kernel/kthread.c:436)
[   69.558448][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.558599][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.558808][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.558926][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.559073][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.559191][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.559316][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.562392][   T12] ------------[ cut here ]------------
| [   69.562530][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   69.562779][   T12] Modules linked in: xfrm_user nf_tables
| [   69.563170][   T12] Tainted: [W]=WARN
[   69.563265][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.563413][   T12] Workqueue: netns cleanup_net
[   69.563541][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.563698][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.564134][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   69.564288][   T12] RAX: 00000000ffffffa6 RBX: ff1100001542f700 RCX: 1ff4000000018ed5
[   69.564469][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001542f7bc
[   69.564650][   T12] RBP: ff1100000eb09000 R08: 1fe2200002a85ef9 R09: ff11000001aed1d0
[   69.564831][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   69.565007][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.565183][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   69.565394][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.565545][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.565726][   T12] PKRU: 55555554
[   69.565814][   T12] Call Trace:
[   69.565903][   T12]  <TASK>
[   69.565965][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.566117][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.566274][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.566393][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.566519][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   69.566639][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   69.566762][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   69.566880][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   69.567001][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   69.567122][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.567252][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.567373][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.567494][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.567620][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.567745][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.567862][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.567983][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.568106][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.568230][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.568354][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.568477][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.568602][   T12]  kthread (kernel/kthread.c:436)
[   69.568694][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.568842][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.568962][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.569081][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.569234][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.569352][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.569471][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.572508][   T12] ------------[ cut here ]------------
| [   69.572645][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   69.573364][   T12] Modules linked in: xfrm_user nf_tables
| [   69.573811][   T12] Tainted: [W]=WARN
[   69.573900][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.574048][   T12] Workqueue: netns cleanup_net
[   69.574170][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.574329][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   69.574807][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   69.574956][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc658c0 RCX: 1ff4000000018ed5
[   69.575136][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc6597c
[   69.575334][   T12] RBP: ff11000012b64000 R08: 1fe2200001f8cb31 R09: ff11000001aed1d0
[   69.575516][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   69.575736][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   69.575913][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   69.576120][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.576275][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d003 CR4: 0000000000771ef0
[   69.576454][   T12] PKRU: 55555554
[   69.576544][   T12] Call Trace:
[   69.576631][   T12]  <TASK>
[   69.576740][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   69.576891][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   69.577039][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   69.577157][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   69.577283][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   69.577402][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   69.577526][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   69.577645][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   69.577812][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   69.577933][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   69.578049][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.578169][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   69.578293][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   69.578410][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   69.578532][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.578650][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.578813][   T12]  process_one_work (kernel/workqueue.c:3314)
[   69.578937][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   69.579053][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.579179][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   69.579307][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   69.579425][   T12]  kthread (kernel/kthread.c:436)
[   69.579516][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   69.579714][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.579834][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   69.579956][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   69.580104][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   69.580227][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   69.580345][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   69.661706][ T1858] ------------[ cut here ]------------
| [   69.661857][ T1858] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1858
| [   69.662115][ T1858] Modules linked in: xfrm_user nf_tables
| [   69.662527][ T1858] Tainted: [W]=WARN
[   69.662624][ T1858] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.663086][ T1858] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.663261][ T1858] 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
[   69.663732][ T1858] RSP: 0018:ffa00000026ffa80 EFLAGS: 00010286
[   69.663897][ T1858] RAX: 00000000ffffffa6 RBX: ff1100001246fe00 RCX: 1ff40000004dff16
[   69.664094][ T1858] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246febc
[   69.664294][ T1858] RBP: ff11000014cf1000 R08: 1fe220000248dfd9 R09: ff1100000ebb8b80
[   69.664486][ T1858] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   69.664689][ T1858] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014cf1000
[   69.664885][ T1858] FS:  00007fc17955d840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   69.665113][ T1858] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.665283][ T1858] CR2: 00007fc17975ec20 CR3: 0000000012605006 CR4: 0000000000771ef0
[   69.665478][ T1858] PKRU: 55555554
[   69.665577][ T1858] Call Trace:
[   69.665681][ T1858]  <TASK>
[   69.665749][ T1858]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.665880][ T1858]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.666011][ T1858]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.666111][ T1858]  register_netdevice (net/core/dev.c:11488)
[   69.666247][ T1858]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   69.666410][ T1858]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   69.666544][ T1858]  register_netdev (net/core/dev.c:11552)
[   69.666681][ T1858]  loopback_net_init (drivers/net/loopback.c:218)
[   69.666812][ T1858]  ops_init (net/core/net_namespace.c:137)
[   69.666913][ T1858]  setup_net (net/core/net_namespace.c:446)
[   69.667011][ T1858]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   69.667140][ T1858]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   69.667276][ T1858]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   69.667408][ T1858]  copy_net_ns (net/core/net_namespace.c:579)
[   69.667543][ T1858]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.667681][ T1858]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.667812][ T1858]  ksys_unshare (kernel/fork.c:3243)
[   69.667942][ T1858]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   69.668073][ T1858]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   69.668203][ T1858]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   69.668340][ T1858]  ? __ia32_sys_open (fs/open.c:1374)
[   69.668472][ T1858]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.668604][ T1858]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   69.668739][ T1858]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.668867][ T1858]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.668995][ T1858]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.669125][ T1858]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.669289][ T1858] RIP: 0033:0x7fc17981fbcb
[   69.669427][ T1858] 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
[   69.669896][ T1858] RSP: 002b:00007fffc116bfe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   69.670092][ T1858] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc17981fbcb
[   69.670293][ T1858] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.670486][ T1858] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.670689][ T1858] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffc116e210
[   69.670882][ T1858] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffc116e887
| [   69.675041][ T1858] ------------[ cut here ]------------
| [   69.675177][ T1858] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1858
| [   69.675440][ T1858] Modules linked in: xfrm_user nf_tables
| [   69.676130][ T1858] Tainted: [W]=WARN
[   69.676234][ T1858] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.676393][ T1858] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.676565][ T1858] 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
[   69.677027][ T1858] RSP: 0018:ffa00000026ff918 EFLAGS: 00010286
[   69.677187][ T1858] RAX: 00000000ffffffa6 RBX: ff1100000fdd91c0 RCX: 1ff40000004dfee9
[   69.677382][ T1858] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fdd927c
[   69.677575][ T1858] RBP: ff1100000a291000 R08: 1fe2200001fbb251 R09: ff1100000ebb8b80
[   69.677771][ T1858] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   69.677963][ T1858] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a291000
[   69.678156][ T1858] FS:  00007fc17955d840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   69.678386][ T1858] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.678549][ T1858] CR2: 00007fc17975ec20 CR3: 0000000012605006 CR4: 0000000000771ef0
[   69.678750][ T1858] PKRU: 55555554
[   69.678846][ T1858] Call Trace:
[   69.678941][ T1858]  <TASK>
[   69.679008][ T1858]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.679136][ T1858]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.679270][ T1858]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.679370][ T1858]  register_netdevice (net/core/dev.c:11488)
[   69.679501][ T1858]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   69.679667][ T1858]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   69.679799][ T1858]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   69.679928][ T1858]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   69.680057][ T1858]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   69.680186][ T1858]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   69.680320][ T1858]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   69.680450][ T1858]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   69.680583][ T1858]  ops_init (net/core/net_namespace.c:137)
[   69.680687][ T1858]  setup_net (net/core/net_namespace.c:446)
[   69.680786][ T1858]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   69.680914][ T1858]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   69.681043][ T1858]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   69.681174][ T1858]  copy_net_ns (net/core/net_namespace.c:579)
[   69.681307][ T1858]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.681440][ T1858]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.681574][ T1858]  ksys_unshare (kernel/fork.c:3243)
[   69.681707][ T1858]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   69.681837][ T1858]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   69.681966][ T1858]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   69.682097][ T1858]  ? __ia32_sys_open (fs/open.c:1374)
[   69.682235][ T1858]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.682365][ T1858]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   69.682497][ T1858]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.682630][ T1858]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.682761][ T1858]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.682890][ T1858]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.683048][ T1858] RIP: 0033:0x7fc17981fbcb
[   69.683183][ T1858] 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
[   69.683646][ T1858] RSP: 002b:00007fffc116bfe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   69.683845][ T1858] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc17981fbcb
[   69.684038][ T1858] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.684240][ T1858] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.684431][ T1858] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffc116e210
[   69.684628][ T1858] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffc116e887
| [   69.688373][ T1858] ------------[ cut here ]------------
| [   69.688512][ T1858] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1858
| [   69.688775][ T1858] Modules linked in: xfrm_user nf_tables
| [   69.689170][ T1858] Tainted: [W]=WARN
[   69.689274][ T1858] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.689438][ T1858] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.689610][ T1858] 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
[   69.690081][ T1858] RSP: 0018:ffa00000026ff8f8 EFLAGS: 00010286
[   69.690251][ T1858] RAX: 00000000ffffffa6 RBX: ff1100000a9538c0 RCX: 1ff40000004dfee5
[   69.690446][ T1858] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a95397c
[   69.690642][ T1858] RBP: ff11000009b61000 R08: 1fe220000152a731 R09: ff1100000ebb8b80
[   69.690843][ T1858] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   69.691038][ T1858] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b61000
[   69.691239][ T1858] FS:  00007fc17955d840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   69.691467][ T1858] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.691634][ T1858] CR2: 00007fc17975ec20 CR3: 0000000012605006 CR4: 0000000000771ef0
[   69.691833][ T1858] PKRU: 55555554
[   69.691930][ T1858] Call Trace:
[   69.692027][ T1858]  <TASK>
[   69.692094][ T1858]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.692231][ T1858]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.692364][ T1858]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.692464][ T1858]  register_netdevice (net/core/dev.c:11488)
[   69.692602][ T1858]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   69.692767][ T1858]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   69.692898][ T1858]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   69.693028][ T1858]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   69.693158][ T1858]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   69.693297][ T1858]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   69.693429][ T1858]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   69.693566][ T1858]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   69.693700][ T1858]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   69.693833][ T1858]  vti_init_net (net/ipv4/ip_vti.c:517)
[   69.693964][ T1858]  ops_init (net/core/net_namespace.c:137)
[   69.694065][ T1858]  setup_net (net/core/net_namespace.c:446)
[   69.694164][ T1858]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   69.694300][ T1858]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   69.694431][ T1858]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   69.694570][ T1858]  copy_net_ns (net/core/net_namespace.c:579)
[   69.694708][ T1858]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.694842][ T1858]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.694975][ T1858]  ksys_unshare (kernel/fork.c:3243)
[   69.695106][ T1858]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   69.695242][ T1858]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   69.695375][ T1858]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   69.695510][ T1858]  ? __ia32_sys_open (fs/open.c:1374)
[   69.695642][ T1858]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.695777][ T1858]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   69.695907][ T1858]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.696037][ T1858]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.696168][ T1858]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.696307][ T1858]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.696471][ T1858] RIP: 0033:0x7fc17981fbcb
[   69.696610][ T1858] 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
[   69.697078][ T1858] RSP: 002b:00007fffc116bfe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   69.697279][ T1858] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc17981fbcb
[   69.697475][ T1858] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.697677][ T1858] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.697874][ T1858] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffc116e210
[   69.698068][ T1858] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffc116e887
| [   69.703146][ T1858] ------------[ cut here ]------------
| [   69.703288][ T1858] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1858
| [   69.703548][ T1858] Modules linked in: xfrm_user nf_tables
| [   69.703952][ T1858] Tainted: [W]=WARN
[   69.704050][ T1858] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.704220][ T1858] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.704389][ T1858] 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
[   69.704861][ T1858] RSP: 0018:ffa00000026ffa78 EFLAGS: 00010286
[   69.705024][ T1858] RAX: 00000000ffffffa6 RBX: ff1100001246f700 RCX: 1ff40000004dff15
[   69.705225][ T1858] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246f7bc
[   69.705418][ T1858] RBP: ff11000013bf1000 R08: 1fe220000248def9 R09: ff1100000ebb8b80
[   69.705613][ T1858] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   69.705811][ T1858] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013bf1000
[   69.706007][ T1858] FS:  00007fc17955d840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   69.706244][ T1858] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.706405][ T1858] CR2: 00007fc17975ec20 CR3: 0000000012605006 CR4: 0000000000771ef0
[   69.706607][ T1858] PKRU: 55555554
[   69.706709][ T1858] Call Trace:
[   69.706807][ T1858]  <TASK>
[   69.706874][ T1858]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.707006][ T1858]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.707137][ T1858]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.707242][ T1858]  register_netdevice (net/core/dev.c:11488)
[   69.707374][ T1858]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   69.707538][ T1858]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.707676][ T1858]  register_netdev (net/core/dev.c:11552)
[   69.707805][ T1858]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   69.707938][ T1858]  ops_init (net/core/net_namespace.c:137)
[   69.708039][ T1858]  setup_net (net/core/net_namespace.c:446)
[   69.708137][ T1858]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   69.708270][ T1858]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   69.708399][ T1858]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   69.708535][ T1858]  copy_net_ns (net/core/net_namespace.c:579)
[   69.708668][ T1858]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.708803][ T1858]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.708933][ T1858]  ksys_unshare (kernel/fork.c:3243)
[   69.709061][ T1858]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   69.709192][ T1858]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   69.709327][ T1858]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   69.709458][ T1858]  ? __ia32_sys_open (fs/open.c:1374)
[   69.709594][ T1858]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.709729][ T1858]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   69.709858][ T1858]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.709986][ T1858]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.710117][ T1858]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.710252][ T1858]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.710412][ T1858] RIP: 0033:0x7fc17981fbcb
[   69.710550][ T1858] 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
[   69.711087][ T1858] RSP: 002b:00007fffc116bfe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   69.711284][ T1858] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc17981fbcb
[   69.711477][ T1858] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.711730][ T1858] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.711923][ T1858] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffc116e210
[   69.712117][ T1858] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffc116e887
| [   69.723343][ T1858] ------------[ cut here ]------------
| [   69.723491][ T1858] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1858
| [   69.723761][ T1858] Modules linked in: xfrm_user nf_tables
| [   69.724162][ T1858] Tainted: [W]=WARN
[   69.724270][ T1858] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.724434][ T1858] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.724606][ T1858] 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
[   69.725121][ T1858] RSP: 0018:ffa00000026ffa68 EFLAGS: 00010286
[   69.725291][ T1858] RAX: 00000000ffffffa6 RBX: ff11000009b8a3c0 RCX: 1ff40000004dff13
[   69.725485][ T1858] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009b8a47c
[   69.725686][ T1858] RBP: ff1100000fd21000 R08: 1fe2200001371491 R09: ff1100000ebb8b80
[   69.725882][ T1858] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   69.726077][ T1858] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd21000
[   69.726280][ T1858] FS:  00007fc17955d840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   69.726511][ T1858] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.726681][ T1858] CR2: 000055d4019fd278 CR3: 0000000012605002 CR4: 0000000000771ef0
[   69.726876][ T1858] PKRU: 55555554
[   69.726973][ T1858] Call Trace:
[   69.727071][ T1858]  <TASK>
[   69.727138][ T1858]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.727275][ T1858]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.727405][ T1858]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.727510][ T1858]  register_netdevice (net/core/dev.c:11488)
[   69.727643][ T1858]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   69.727814][ T1858]  register_netdev (net/core/dev.c:11552)
[   69.727943][ T1858]  sit_init_net (net/ipv6/sit.c:1860)
[   69.728074][ T1858]  ops_init (net/core/net_namespace.c:137)
[   69.728174][ T1858]  setup_net (net/core/net_namespace.c:446)
[   69.728279][ T1858]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   69.728410][ T1858]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   69.728545][ T1858]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   69.728684][ T1858]  copy_net_ns (net/core/net_namespace.c:579)
[   69.728816][ T1858]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.728951][ T1858]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.729082][ T1858]  ksys_unshare (kernel/fork.c:3243)
[   69.729217][ T1858]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   69.729351][ T1858]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   69.729483][ T1858]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   69.729616][ T1858]  ? __ia32_sys_open (fs/open.c:1374)
[   69.729753][ T1858]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.729883][ T1858]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   69.730013][ T1858]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.730142][ T1858]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.730278][ T1858]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.730410][ T1858]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.730575][ T1858] RIP: 0033:0x7fc17981fbcb
[   69.730717][ T1858] 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
[   69.731179][ T1858] RSP: 002b:00007fffc116bfe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   69.731382][ T1858] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc17981fbcb
[   69.731580][ T1858] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.731778][ T1858] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.731974][ T1858] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffc116e210
[   69.732169][ T1858] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffc116e887
| [   69.736813][ T1858] ------------[ cut here ]------------
| [   69.736951][ T1858] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1858
| [   69.737216][ T1858] Modules linked in: xfrm_user nf_tables
| [   69.737618][ T1858] Tainted: [W]=WARN
[   69.737725][ T1858] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.737890][ T1858] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.738059][ T1858] 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
[   69.738535][ T1858] RSP: 0018:ffa00000026ffa78 EFLAGS: 00010286
[   69.738705][ T1858] RAX: 00000000ffffffa6 RBX: ff1100000e65c900 RCX: 1ff40000004dff15
[   69.738903][ T1858] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e65c9bc
[   69.739101][ T1858] RBP: ff1100000f8bc000 R08: 1fe2200001ccb939 R09: ff1100000ebb8b80
[   69.739302][ T1858] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   69.739498][ T1858] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f8bc000
[   69.739706][ T1858] FS:  00007fc17955d840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   69.739936][ T1858] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.740100][ T1858] CR2: 000055d4019fd278 CR3: 0000000012605002 CR4: 0000000000771ef0
[   69.740305][ T1858] PKRU: 55555554
[   69.740402][ T1858] Call Trace:
[   69.740500][ T1858]  <TASK>
[   69.740572][ T1858]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.740709][ T1858]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.740842][ T1858]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.740943][ T1858]  register_netdevice (net/core/dev.c:11488)
[   69.741076][ T1858]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   69.741244][ T1858]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.741377][ T1858]  register_netdev (net/core/dev.c:11552)
[   69.741513][ T1858]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   69.741645][ T1858]  ops_init (net/core/net_namespace.c:137)
[   69.741751][ T1858]  setup_net (net/core/net_namespace.c:446)
[   69.741852][ T1858]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   69.741983][ T1858]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   69.742115][ T1858]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   69.742253][ T1858]  copy_net_ns (net/core/net_namespace.c:579)
[   69.742388][ T1858]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.742522][ T1858]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.742658][ T1858]  ksys_unshare (kernel/fork.c:3243)
[   69.742788][ T1858]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   69.742920][ T1858]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   69.743052][ T1858]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   69.743183][ T1858]  ? __ia32_sys_open (fs/open.c:1374)
[   69.743322][ T1858]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.743452][ T1858]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   69.743588][ T1858]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.743725][ T1858]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.743858][ T1858]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.743989][ T1858]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.744152][ T1858] RIP: 0033:0x7fc17981fbcb
[   69.744293][ T1858] 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
[   69.744770][ T1858] RSP: 002b:00007fffc116bfe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   69.744969][ T1858] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc17981fbcb
[   69.745164][ T1858] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.745365][ T1858] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.745563][ T1858] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fffc116e210
[   69.745762][ T1858] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffc116e887
| [   69.776145][ T1859] ------------[ cut here ]------------
| [   69.776301][ T1859] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1859
| [   69.776567][ T1859] Modules linked in: xfrm_user nf_tables
| [   69.776976][ T1859] Tainted: [W]=WARN
[   69.777075][ T1859] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.777242][ T1859] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.777411][ T1859] 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
[   69.777881][ T1859] RSP: 0018:ffa000000270f020 EFLAGS: 00010286
[   69.778043][ T1859] RAX: 00000000ffffffa6 RBX: ff110000109cd540 RCX: 1ff40000004e1dca
[   69.778241][ T1859] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109cd5fc
[   69.778434][ T1859] RBP: ff11000014cf1000 R08: 1fe2200002139ac1 R09: ff1100000f3d8b58
[   69.778631][ T1859] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   69.778829][ T1859] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   69.779022][ T1859] FS:  00007f1434d65840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   69.779254][ T1859] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.779416][ T1859] CR2: 00000000221db988 CR3: 0000000012a9d001 CR4: 0000000000771ef0
[   69.779612][ T1859] PKRU: 55555554
[   69.780336][ T1859] Call Trace:
[   69.780435][ T1859]  <TASK>
[   69.780506][ T1859]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.780638][ T1859]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.780815][ T1859]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   69.780946][ T1859]  __dev_notify_flags (net/core/dev.c:9787)
[   69.781079][ T1859]  ? netif_change_name (net/core/dev.c:1495)
[   69.781215][ T1859]  ? __dev_change_flags (net/core/dev.c:9752)
[   69.781346][ T1859]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   69.781474][ T1859]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.781608][ T1859]  ? 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))
[   69.781828][ T1859]  netif_change_flags (net/core/dev.c:9820)
[   69.781959][ T1859]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   69.782090][ T1859]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   69.782224][ T1859]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   69.782356][ T1859]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   69.782607][ T1859]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   69.782801][ T1859]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.782930][ T1859]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   69.783061][ T1859]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.783193][ T1859]  ? __kernel_text_address (kernel/extable.c:79)
[   69.783327][ T1859]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.783459][ T1859]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.783593][ T1859]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   69.783791][ T1859]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.783921][ T1859]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   69.784050][ T1859]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.784179][ T1859]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.784314][ T1859]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   69.784446][ T1859]  ? __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)
[   69.784579][ T1859]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   69.784730][ T1859]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   69.784860][ T1859]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   69.784992][ T1859]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   69.785124][ T1859]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   69.785263][ T1859]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.785392][ T1859]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.785526][ T1859]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.785661][ T1859]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   69.785789][ T1859]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.785921][ T1859]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.786050][ T1859]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.786181][ T1859]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.786318][ T1859]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.786449][ T1859]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   69.786580][ T1859]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   69.786715][ T1859]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.786845][ T1859]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.786974][ T1859]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.787105][ T1859]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   69.787241][ T1859]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   69.787372][ T1859]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   69.787505][ T1859]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   69.787637][ T1859]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   69.787775][ T1859]  ? 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))
[   69.787904][ T1859]  ? 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))
[   69.788035][ T1859]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   69.788168][ T1859]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   69.788303][ T1859]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   69.788433][ T1859]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   69.788568][ T1859]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   69.788707][ T1859]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   69.788840][ T1859]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   69.788971][ T1859]  ? copy_msghdr_from_user (net/socket.c:2635)
[   69.789099][ T1859]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   69.789265][ T1859]  ? move_addr_to_kernel (net/socket.c:258)
[   69.789395][ T1859]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   69.789531][ T1859]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   69.789668][ T1859]  ___sys_sendmsg (net/socket.c:2752)
[   69.789798][ T1859]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   69.789958][ T1859]  ? copy_msghdr_from_user (net/socket.c:2603)
[   69.790100][ T1859]  __sys_sendmsg (net/socket.c:2784)
[   69.790238][ T1859]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   69.790368][ T1859]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   69.790535][ T1859]  ? 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)
[   69.790668][ T1859]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   69.790798][ T1859]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.790927][ T1859]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.791056][ T1859]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.791186][ T1859]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.791352][ T1859] RIP: 0033:0x7f1434f9f08e
[   69.791488][ T1859] 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
[   69.791957][ T1859] RSP: 002b:00007ffe8cc36f60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   69.792153][ T1859] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1434f9f08e
[   69.792350][ T1859] RDX: 0000000000000000 RSI: 00007ffe8cc37010 RDI: 0000000000000005
[   69.792545][ T1859] RBP: 00007ffe8cc36f70 R08: 0000000000000000 R09: 0000000000000000
[   69.792744][ T1859] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d870
[   69.792938][ T1859] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe8cc376e0
| [   69.917912][ T1863] ------------[ cut here ]------------
| [   69.918094][ T1863] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1863
| [   69.918411][ T1863] Modules linked in: xfrm_user nf_tables
| [   69.918925][ T1863] Tainted: [W]=WARN
[   69.919072][ T1863] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.919286][ T1863] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.919501][ T1863] 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
[   69.920024][ T1863] RSP: 0018:ffa000000261fa80 EFLAGS: 00010286
[   69.920240][ T1863] RAX: 00000000ffffffa6 RBX: ff1100001243e740 RCX: 1ff40000004c3f16
[   69.920480][ T1863] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243e7fc
[   69.920734][ T1863] RBP: ff11000012229000 R08: 1fe2200002487d01 R09: ff1100000a8ed180
[   69.920973][ T1863] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   69.921219][ T1863] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012229000
[   69.921463][ T1863] FS:  00007fb214809840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.921758][ T1863] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.921968][ T1863] CR2: 00007fb214a0ac20 CR3: 000000000e8d1001 CR4: 0000000000771ef0
[   69.922217][ T1863] PKRU: 55555554
[   69.922361][ T1863] Call Trace:
[   69.922506][ T1863]  <TASK>
[   69.922625][ T1863]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.922816][ T1863]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.922992][ T1863]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.923139][ T1863]  register_netdevice (net/core/dev.c:11488)
[   69.923326][ T1863]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   69.923544][ T1863]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   69.923735][ T1863]  register_netdev (net/core/dev.c:11552)
[   69.923912][ T1863]  loopback_net_init (drivers/net/loopback.c:218)
[   69.924091][ T1863]  ops_init (net/core/net_namespace.c:137)
[   69.924246][ T1863]  setup_net (net/core/net_namespace.c:446)
[   69.924393][ T1863]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   69.924577][ T1863]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   69.924767][ T1863]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   69.924946][ T1863]  copy_net_ns (net/core/net_namespace.c:579)
[   69.925125][ T1863]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.925315][ T1863]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.925492][ T1863]  ksys_unshare (kernel/fork.c:3243)
[   69.925688][ T1863]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   69.925863][ T1863]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   69.926042][ T1863]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   69.926228][ T1863]  ? __ia32_sys_open (fs/open.c:1374)
[   69.926407][ T1863]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.926590][ T1863]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   69.926779][ T1863]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.926954][ T1863]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.927129][ T1863]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.927316][ T1863]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.927526][ T1863] RIP: 0033:0x7fb214acbbcb
[   69.927721][ T1863] 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
[   69.928228][ T1863] RSP: 002b:00007ffea3760ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   69.928472][ T1863] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb214acbbcb
[   69.928728][ T1863] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.928969][ T1863] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.929217][ T1863] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffea37630d0
[   69.929456][ T1863] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffea3764887
| [   69.934158][ T1863] ------------[ cut here ]------------
| [   69.934343][ T1863] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1863
| [   69.934666][ T1863] Modules linked in: xfrm_user nf_tables
| [   69.935154][ T1863] Tainted: [W]=WARN
[   69.935307][ T1863] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.935520][ T1863] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.935748][ T1863] 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
[   69.936254][ T1863] RSP: 0018:ffa000000261f918 EFLAGS: 00010286
[   69.936462][ T1863] RAX: 00000000ffffffa6 RBX: ff1100000dda98c0 RCX: 1ff40000004c3ee9
[   69.936721][ T1863] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda997c
[   69.936960][ T1863] RBP: ff1100001098c000 R08: 1fe2200001bb5331 R09: ff1100000a8ed180
[   69.937199][ T1863] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   69.937446][ T1863] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001098c000
[   69.937705][ T1863] FS:  00007fb214809840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.937978][ T1863] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.938187][ T1863] CR2: 00007fb214a0ac20 CR3: 000000000e8d1001 CR4: 0000000000771ef0
[   69.938438][ T1863] PKRU: 55555554
[   69.938589][ T1863] Call Trace:
[   69.938747][ T1863]  <TASK>
[   69.938861][ T1863]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.939039][ T1863]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.939223][ T1863]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.939370][ T1863]  register_netdevice (net/core/dev.c:11488)
[   69.939554][ T1863]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   69.939776][ T1863]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   69.939956][ T1863]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   69.940133][ T1863]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   69.940319][ T1863]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   69.940498][ T1863]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   69.940697][ T1863]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   69.940877][ T1863]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   69.941056][ T1863]  ops_init (net/core/net_namespace.c:137)
[   69.941202][ T1863]  setup_net (net/core/net_namespace.c:446)
[   69.941355][ T1863]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   69.941531][ T1863]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   69.941724][ T1863]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   69.941904][ T1863]  copy_net_ns (net/core/net_namespace.c:579)
[   69.942083][ T1863]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.942271][ T1863]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.942450][ T1863]  ksys_unshare (kernel/fork.c:3243)
[   69.942634][ T1863]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   69.942825][ T1863]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   69.943002][ T1863]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   69.943181][ T1863]  ? __ia32_sys_open (fs/open.c:1374)
[   69.943367][ T1863]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.943550][ T1863]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   69.943735][ T1863]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.943911][ T1863]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.944087][ T1863]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.944273][ T1863]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.944478][ T1863] RIP: 0033:0x7fb214acbbcb
[   69.944676][ T1863] 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
[   69.945182][ T1863] RSP: 002b:00007ffea3760ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   69.945434][ T1863] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb214acbbcb
[   69.945695][ T1863] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.945937][ T1863] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.946173][ T1863] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffea37630d0
[   69.946416][ T1863] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffea3764887
| [   69.950680][ T1863] ------------[ cut here ]------------
| [   69.950857][ T1863] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1863
| [   69.951161][ T1863] Modules linked in: xfrm_user nf_tables
| [   69.951685][ T1863] Tainted: [W]=WARN
[   69.951830][ T1863] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.952040][ T1863] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.952264][ T1863] 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
[   69.952799][ T1863] RSP: 0018:ffa000000261f8f8 EFLAGS: 00010286
[   69.953014][ T1863] RAX: 00000000ffffffa6 RBX: ff11000012120580 RCX: 1ff40000004c3ee5
[   69.953266][ T1863] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001212063c
[   69.953510][ T1863] RBP: ff110000058cc000 R08: 1fe22000024240c9 R09: ff1100000a8ed180
[   69.953771][ T1863] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   69.954013][ T1863] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058cc000
[   69.954267][ T1863] FS:  00007fb214809840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.954550][ T1863] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.954771][ T1863] CR2: 00007fb214a0ac20 CR3: 000000000e8d1001 CR4: 0000000000771ef0
[   69.955018][ T1863] PKRU: 55555554
[   69.955164][ T1863] Call Trace:
[   69.955318][ T1863]  <TASK>
[   69.955435][ T1863]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.955622][ T1863]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.955812][ T1863]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.955961][ T1863]  register_netdevice (net/core/dev.c:11488)
[   69.956145][ T1863]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   69.956365][ T1863]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   69.956553][ T1863]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   69.956745][ T1863]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   69.956925][ T1863]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   69.957105][ T1863]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   69.957296][ T1863]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   69.957479][ T1863]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   69.957681][ T1863]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   69.957863][ T1863]  vti_init_net (net/ipv4/ip_vti.c:517)
[   69.958043][ T1863]  ops_init (net/core/net_namespace.c:137)
[   69.958191][ T1863]  setup_net (net/core/net_namespace.c:446)
[   69.958347][ T1863]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   69.958529][ T1863]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   69.958722][ T1863]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   69.958906][ T1863]  copy_net_ns (net/core/net_namespace.c:579)
[   69.959086][ T1863]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.959276][ T1863]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.959456][ T1863]  ksys_unshare (kernel/fork.c:3243)
[   69.959643][ T1863]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   69.959835][ T1863]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   69.960014][ T1863]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   69.960197][ T1863]  ? __ia32_sys_open (fs/open.c:1374)
[   69.960387][ T1863]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.960574][ T1863]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   69.960765][ T1863]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.960944][ T1863]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.961123][ T1863]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.961312][ T1863]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.961528][ T1863] RIP: 0033:0x7fb214acbbcb
[   69.961728][ T1863] 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
[   69.962245][ T1863] RSP: 002b:00007ffea3760ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   69.962489][ T1863] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb214acbbcb
[   69.962754][ T1863] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.962996][ T1863] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.963245][ T1863] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffea37630d0
[   69.963486][ T1863] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffea3764887
| [   69.968301][ T1863] ------------[ cut here ]------------
| [   69.968477][ T1863] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1863
| [   69.968798][ T1863] Modules linked in: xfrm_user nf_tables
| [   69.969382][ T1863] Tainted: [W]=WARN
[   69.969529][ T1863] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.969841][ T1863] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.970059][ T1863] 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
[   69.970686][ T1863] RSP: 0018:ffa000000261fa78 EFLAGS: 00010286
[   69.970898][ T1863] RAX: 00000000ffffffa6 RBX: ff110000121203c0 RCX: 1ff40000004c3f15
[   69.971233][ T1863] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001212047c
[   69.971477][ T1863] RBP: ff11000014c14000 R08: 1fe2200002424091 R09: ff1100000a8ed180
[   69.971735][ T1863] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   69.972064][ T1863] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014c14000
[   69.972315][ T1863] FS:  00007fb214809840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.972599][ T1863] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.972910][ T1863] CR2: 00007fb214a0ac20 CR3: 000000000e8d1001 CR4: 0000000000771ef0
[   69.973154][ T1863] PKRU: 55555554
[   69.973308][ T1863] Call Trace:
[   69.973543][ T1863]  <TASK>
[   69.973671][ T1863]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.973849][ T1863]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.974030][ T1863]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.974178][ T1863]  register_netdevice (net/core/dev.c:11488)
[   69.974452][ T1863]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   69.974682][ T1863]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   69.974863][ T1863]  register_netdev (net/core/dev.c:11552)
[   69.975043][ T1863]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   69.975318][ T1863]  ops_init (net/core/net_namespace.c:137)
[   69.975471][ T1863]  setup_net (net/core/net_namespace.c:446)
[   69.975624][ T1863]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   69.975815][ T1863]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   69.976081][ T1863]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   69.976271][ T1863]  copy_net_ns (net/core/net_namespace.c:579)
[   69.976453][ T1863]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.976641][ T1863]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.976919][ T1863]  ksys_unshare (kernel/fork.c:3243)
[   69.977098][ T1863]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   69.977284][ T1863]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   69.977463][ T1863]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   69.977748][ T1863]  ? __ia32_sys_open (fs/open.c:1374)
[   69.977930][ T1863]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.978107][ T1863]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   69.978297][ T1863]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.978570][ T1863]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.978761][ T1863]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.978939][ T1863]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.979148][ T1863] RIP: 0033:0x7fb214acbbcb
[   69.979430][ T1863] 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
[   69.980056][ T1863] RSP: 002b:00007ffea3760ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   69.980310][ T1863] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb214acbbcb
[   69.980556][ T1863] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.980897][ T1863] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.981139][ T1863] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffea37630d0
[   69.981386][ T1863] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffea3764887
| [   69.986466][ T1863] ------------[ cut here ]------------
| [   69.986644][ T1863] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1863
| [   69.986962][ T1863] Modules linked in: xfrm_user nf_tables
| [   69.987557][ T1863] Tainted: [W]=WARN
[   69.987718][ T1863] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   69.988018][ T1863] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   69.988241][ T1863] 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
[   69.988862][ T1863] RSP: 0018:ffa000000261fa68 EFLAGS: 00010286
[   69.989075][ T1863] RAX: 00000000ffffffa6 RBX: ff110000134f03c0 RCX: 1ff40000004c3f13
[   69.989410][ T1863] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000134f047c
[   69.989670][ T1863] RBP: ff11000009b54000 R08: 1fe220000269e091 R09: ff1100000a8ed180
[   69.989910][ T1863] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   69.990251][ T1863] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009b54000
[   69.990492][ T1863] FS:  00007fb214809840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   69.990874][ T1863] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   69.991084][ T1863] CR2: 00007fb214a0ac20 CR3: 000000000e8d1001 CR4: 0000000000771ef0
[   69.991338][ T1863] PKRU: 55555554
[   69.991482][ T1863] Call Trace:
[   69.991729][ T1863]  <TASK>
[   69.991845][ T1863]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   69.992022][ T1863]  ? notifier_call_chain (kernel/notifier.c:85)
[   69.992199][ T1863]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   69.992355][ T1863]  register_netdevice (net/core/dev.c:11488)
[   69.992628][ T1863]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   69.992854][ T1863]  register_netdev (net/core/dev.c:11552)
[   69.993031][ T1863]  sit_init_net (net/ipv6/sit.c:1860)
[   69.993216][ T1863]  ops_init (net/core/net_namespace.c:137)
[   69.993448][ T1863]  setup_net (net/core/net_namespace.c:446)
[   69.993602][ T1863]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   69.993790][ T1863]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   69.993968][ T1863]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   69.994242][ T1863]  copy_net_ns (net/core/net_namespace.c:579)
[   69.994422][ T1863]  create_new_namespaces (kernel/nsproxy.c:132)
[   69.994611][ T1863]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   69.994801][ T1863]  ksys_unshare (kernel/fork.c:3243)
[   69.995064][ T1863]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   69.995249][ T1863]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   69.995427][ T1863]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   69.995615][ T1863]  ? __ia32_sys_open (fs/open.c:1374)
[   69.995888][ T1863]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   69.996063][ T1863]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   69.996245][ T1863]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   69.996421][ T1863]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   69.996702][ T1863]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   69.996880][ T1863]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   69.997086][ T1863] RIP: 0033:0x7fb214acbbcb
[   69.997279][ T1863] 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
[   69.997897][ T1863] RSP: 002b:00007ffea3760ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   69.998235][ T1863] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb214acbbcb
[   69.998481][ T1863] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   69.998735][ T1863] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   69.999062][ T1863] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffea37630d0
[   69.999311][ T1863] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffea3764887
| [   70.015923][ T1863] ------------[ cut here ]------------
| [   70.016100][ T1863] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1863
| [   70.016412][ T1863] Modules linked in: xfrm_user nf_tables
| [   70.016925][ T1863] Tainted: [W]=WARN
[   70.017070][ T1863] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.017287][ T1863] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.017506][ T1863] 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
[   70.018026][ T1863] RSP: 0018:ffa000000261fa78 EFLAGS: 00010286
[   70.018246][ T1863] RAX: 00000000ffffffa6 RBX: ff1100000ba8e040 RCX: 1ff40000004c3f15
[   70.018488][ T1863] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba8e0fc
[   70.018748][ T1863] RBP: ff11000009921000 R08: 1fe2200001751c21 R09: ff1100000a8ed180
[   70.018987][ T1863] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   70.019231][ T1863] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009921000
[   70.019479][ T1863] FS:  00007fb214809840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   70.019769][ T1863] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.019980][ T1863] CR2: 00007fb214a0ac20 CR3: 000000000e8d1001 CR4: 0000000000771ef0
[   70.020230][ T1863] PKRU: 55555554
[   70.020374][ T1863] Call Trace:
[   70.020526][ T1863]  <TASK>
[   70.020642][ T1863]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.020837][ T1863]  ? notifier_call_chain (kernel/notifier.c:85)
[   70.021016][ T1863]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.021164][ T1863]  register_netdevice (net/core/dev.c:11488)
[   70.021353][ T1863]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.021571][ T1863]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.021768][ T1863]  register_netdev (net/core/dev.c:11552)
[   70.021947][ T1863]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   70.022125][ T1863]  ops_init (net/core/net_namespace.c:137)
[   70.022282][ T1863]  setup_net (net/core/net_namespace.c:446)
[   70.022430][ T1863]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   70.022614][ T1863]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   70.022802][ T1863]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   70.022982][ T1863]  copy_net_ns (net/core/net_namespace.c:579)
[   70.023166][ T1863]  create_new_namespaces (kernel/nsproxy.c:132)
[   70.023353][ T1863]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   70.023534][ T1863]  ksys_unshare (kernel/fork.c:3243)
[   70.023727][ T1863]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.023905][ T1863]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   70.024082][ T1863]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   70.024268][ T1863]  ? __ia32_sys_open (fs/open.c:1374)
[   70.024453][ T1863]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   70.024641][ T1863]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.024831][ T1863]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.025008][ T1863]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.025186][ T1863]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.025377][ T1863]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.025595][ T1863] RIP: 0033:0x7fb214acbbcb
[   70.025792][ T1863] 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
[   70.026311][ T1863] RSP: 002b:00007ffea3760ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   70.026562][ T1863] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb214acbbcb
[   70.026819][ T1863] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   70.027059][ T1863] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   70.027310][ T1863] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffea37630d0
[   70.027560][ T1863] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffea3764887
| [   70.063495][ T1864] ------------[ cut here ]------------
| [   70.063647][ T1864] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1864
| [   70.064303][ T1864] Modules linked in: xfrm_user nf_tables
| [   70.064715][ T1864] Tainted: [W]=WARN
[   70.064813][ T1864] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.064977][ T1864] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.065146][ T1864] 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
[   70.065616][ T1864] RSP: 0018:ffa000000271f020 EFLAGS: 00010286
[   70.065787][ T1864] RAX: 00000000ffffffa6 RBX: ff1100000e65c040 RCX: 1ff40000004e3dca
[   70.065981][ T1864] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e65c0fc
[   70.066175][ T1864] RBP: ff11000012229000 R08: 1fe2200001ccb821 R09: ff11000014c9ae58
[   70.066372][ T1864] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   70.066571][ T1864] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   70.066777][ T1864] FS:  00007f40cf7b8840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   70.067005][ T1864] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.067168][ T1864] CR2: 00000000287eb988 CR3: 000000000a91f005 CR4: 0000000000771ef0
[   70.067368][ T1864] PKRU: 55555554
[   70.067466][ T1864] Call Trace:
[   70.067566][ T1864]  <TASK>
[   70.067634][ T1864]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.067773][ T1864]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.067874][ T1864]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   70.068005][ T1864]  __dev_notify_flags (net/core/dev.c:9787)
[   70.068136][ T1864]  ? netif_change_name (net/core/dev.c:1495)
[   70.068275][ T1864]  ? __dev_change_flags (net/core/dev.c:9752)
[   70.068406][ T1864]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   70.068540][ T1864]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.068676][ T1864]  ? 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))
[   70.068810][ T1864]  netif_change_flags (net/core/dev.c:9820)
[   70.068942][ T1864]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   70.069074][ T1864]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   70.069210][ T1864]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   70.069342][ T1864]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   70.069507][ T1864]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   70.069638][ T1864]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.069773][ T1864]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   70.069903][ T1864]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.070034][ T1864]  ? __kernel_text_address (kernel/extable.c:79)
[   70.070165][ T1864]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.070304][ T1864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.070434][ T1864]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   70.070569][ T1864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.070704][ T1864]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   70.070834][ T1864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.070967][ T1864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.071097][ T1864]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   70.071234][ T1864]  ? __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)
[   70.071363][ T1864]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   70.071494][ T1864]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   70.071629][ T1864]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   70.071765][ T1864]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   70.071899][ T1864]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   70.072033][ T1864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.072161][ T1864]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.072296][ T1864]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.072425][ T1864]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   70.072560][ T1864]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.072697][ T1864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.072826][ T1864]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.072956][ T1864]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.073089][ T1864]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.073223][ T1864]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.073353][ T1864]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   70.073482][ T1864]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.073614][ T1864]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.073749][ T1864]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.073881][ T1864]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.074013][ T1864]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.074144][ T1864]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   70.074281][ T1864]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.074412][ T1864]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.074548][ T1864]  ? 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))
[   70.074683][ T1864]  ? 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))
[   70.074816][ T1864]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.074950][ T1864]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.075083][ T1864]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.075219][ T1864]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   70.075351][ T1864]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   70.075483][ T1864]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   70.075619][ T1864]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   70.075846][ T1864]  ? copy_msghdr_from_user (net/socket.c:2635)
[   70.076063][ T1864]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   70.076233][ T1864]  ? move_addr_to_kernel (net/socket.c:258)
[   70.076365][ T1864]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.076494][ T1864]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.076630][ T1864]  ___sys_sendmsg (net/socket.c:2752)
[   70.076828][ T1864]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   70.076989][ T1864]  ? copy_msghdr_from_user (net/socket.c:2603)
[   70.077131][ T1864]  __sys_sendmsg (net/socket.c:2784)
[   70.077270][ T1864]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   70.077400][ T1864]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   70.077569][ T1864]  ? 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)
[   70.077763][ T1864]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.077895][ T1864]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.078024][ T1864]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.078153][ T1864]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.078288][ T1864]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.078450][ T1864] RIP: 0033:0x7f40cf9f208e
[   70.078589][ T1864] 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
[   70.079166][ T1864] RSP: 002b:00007ffc05ae7640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.079371][ T1864] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f40cf9f208e
[   70.079567][ T1864] RDX: 0000000000000000 RSI: 00007ffc05ae76f0 RDI: 0000000000000005
[   70.079821][ T1864] RBP: 00007ffc05ae7650 R08: 0000000000000000 R09: 0000000000000000
[   70.080014][ T1864] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d870
[   70.080214][ T1864] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc05ae7dc0
| [   70.193860][ T1868] ------------[ cut here ]------------
| [   70.194048][ T1868] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1868
| [   70.194363][ T1868] Modules linked in: xfrm_user nf_tables
| [   70.194874][ T1868] Tainted: [W]=WARN
[   70.195019][ T1868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.195236][ T1868] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.195454][ T1868] 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
[   70.195979][ T1868] RSP: 0018:ffa000000275fa80 EFLAGS: 00010286
[   70.196191][ T1868] RAX: 00000000ffffffa6 RBX: ff1100000b736ac0 RCX: 1ff40000004ebf16
[   70.196439][ T1868] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b736b7c
[   70.196695][ T1868] RBP: ff110000087d9000 R08: 1fe22000016e6d71 R09: ff1100000abaae80
[   70.196935][ T1868] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   70.197171][ T1868] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000087d9000
[   70.197419][ T1868] FS:  00007f807a9c1840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   70.197715][ T1868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.197924][ T1868] CR2: 00007f807abc8430 CR3: 000000000dee7006 CR4: 0000000000771ef0
[   70.198168][ T1868] PKRU: 55555554
[   70.198322][ T1868] Call Trace:
[   70.198468][ T1868]  <TASK>
[   70.198589][ T1868]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.198782][ T1868]  ? notifier_call_chain (kernel/notifier.c:85)
[   70.198959][ T1868]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.199107][ T1868]  register_netdevice (net/core/dev.c:11488)
[   70.199290][ T1868]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.199498][ T1868]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   70.199695][ T1868]  register_netdev (net/core/dev.c:11552)
[   70.199875][ T1868]  loopback_net_init (drivers/net/loopback.c:218)
[   70.200053][ T1868]  ops_init (net/core/net_namespace.c:137)
[   70.200199][ T1868]  setup_net (net/core/net_namespace.c:446)
[   70.200352][ T1868]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   70.200529][ T1868]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   70.200719][ T1868]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   70.200899][ T1868]  copy_net_ns (net/core/net_namespace.c:579)
[   70.201077][ T1868]  create_new_namespaces (kernel/nsproxy.c:132)
[   70.201265][ T1868]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   70.201446][ T1868]  ksys_unshare (kernel/fork.c:3243)
[   70.201633][ T1868]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.201822][ T1868]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   70.201999][ T1868]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   70.202177][ T1868]  ? __ia32_sys_open (fs/open.c:1374)
[   70.202364][ T1868]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   70.202549][ T1868]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.202734][ T1868]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.202911][ T1868]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.203086][ T1868]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.203273][ T1868]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.203482][ T1868] RIP: 0033:0x7f807ac83bcb
[   70.203683][ T1868] 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
[   70.204186][ T1868] RSP: 002b:00007ffe0e5272a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   70.204434][ T1868] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f807ac83bcb
[   70.204693][ T1868] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   70.204934][ T1868] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   70.205172][ T1868] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe0e5294d0
[   70.205416][ T1868] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe0e52a887
| [   70.209641][ T1868] ------------[ cut here ]------------
| [   70.209823][ T1868] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1868
| [   70.210121][ T1868] Modules linked in: xfrm_user nf_tables
| [   70.210629][ T1868] Tainted: [W]=WARN
[   70.210786][ T1868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.210992][ T1868] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.211213][ T1868] 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
[   70.211750][ T1868] RSP: 0018:ffa000000275f918 EFLAGS: 00010286
[   70.211967][ T1868] RAX: 00000000ffffffa6 RBX: ff1100000ba8f540 RCX: 1ff40000004ebee9
[   70.212205][ T1868] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba8f5fc
[   70.212452][ T1868] RBP: ff11000012b5c000 R08: 1fe2200001751ec1 R09: ff1100000abaae80
[   70.212714][ T1868] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   70.212953][ T1868] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012b5c000
[   70.213194][ T1868] FS:  00007f807a9c1840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   70.213473][ T1868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.213700][ T1868] CR2: 00007f807abc8430 CR3: 000000000dee7006 CR4: 0000000000771ef0
[   70.213940][ T1868] PKRU: 55555554
[   70.214082][ T1868] Call Trace:
[   70.214233][ T1868]  <TASK>
[   70.214348][ T1868]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.214529][ T1868]  ? notifier_call_chain (kernel/notifier.c:85)
[   70.214719][ T1868]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.214866][ T1868]  register_netdevice (net/core/dev.c:11488)
[   70.215048][ T1868]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.215262][ T1868]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   70.215441][ T1868]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   70.215628][ T1868]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   70.215816][ T1868]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   70.215993][ T1868]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   70.216171][ T1868]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   70.216358][ T1868]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   70.216540][ T1868]  ops_init (net/core/net_namespace.c:137)
[   70.216699][ T1868]  setup_net (net/core/net_namespace.c:446)
[   70.216845][ T1868]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   70.217018][ T1868]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   70.217195][ T1868]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   70.217380][ T1868]  copy_net_ns (net/core/net_namespace.c:579)
[   70.217568][ T1868]  create_new_namespaces (kernel/nsproxy.c:132)
[   70.217760][ T1868]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   70.217937][ T1868]  ksys_unshare (kernel/fork.c:3243)
[   70.218114][ T1868]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.218297][ T1868]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   70.218473][ T1868]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   70.218668][ T1868]  ? __ia32_sys_open (fs/open.c:1374)
[   70.218849][ T1868]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   70.219023][ T1868]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.219198][ T1868]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.219381][ T1868]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.219562][ T1868]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.219750][ T1868]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.219953][ T1868] RIP: 0033:0x7f807ac83bcb
[   70.220134][ T1868] 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
[   70.220753][ T1868] RSP: 002b:00007ffe0e5272a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   70.221079][ T1868] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f807ac83bcb
[   70.221325][ T1868] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   70.221574][ T1868] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   70.221911][ T1868] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe0e5294d0
[   70.222149][ T1868] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe0e52a887
| [   70.227423][ T1868] ------------[ cut here ]------------
| [   70.227602][ T1868] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1868
| [   70.227918][ T1868] Modules linked in: xfrm_user nf_tables
| [   70.228415][ T1868] Tainted: [W]=WARN
[   70.228567][ T1868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.228790][ T1868] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.229007][ T1868] 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
[   70.229624][ T1868] RSP: 0018:ffa000000275f8f8 EFLAGS: 00010286
[   70.230460][ T1868] RAX: 00000000ffffffa6 RBX: ff1100000fc64580 RCX: 1ff40000004ebee5
[   70.230777][ T1868] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc6463c
[   70.231071][ T1868] RBP: ff1100000de49000 R08: 1fe2200001f8c8c9 R09: ff1100000abaae80
[   70.231374][ T1868] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   70.231691][ T1868] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000de49000
[   70.231989][ T1868] FS:  00007f807a9c1840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   70.232335][ T1868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.232611][ T1868] CR2: 00007f807abc8430 CR3: 000000000dee7006 CR4: 0000000000771ef0
[   70.232921][ T1868] PKRU: 55555554
[   70.233119][ T1868] Call Trace:
[   70.233326][ T1868]  <TASK>
[   70.233497][ T1868]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.233750][ T1868]  ? notifier_call_chain (kernel/notifier.c:85)
[   70.233982][ T1868]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.234185][ T1868]  register_netdevice (net/core/dev.c:11488)
[   70.234428][ T1868]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.234714][ T1868]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   70.234945][ T1868]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   70.235176][ T1868]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   70.235410][ T1868]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   70.235713][ T1868]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   70.235948][ T1868]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   70.236180][ T1868]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   70.236418][ T1868]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   70.236672][ T1868]  vti_init_net (net/ipv4/ip_vti.c:517)
[   70.236902][ T1868]  ops_init (net/core/net_namespace.c:137)
[   70.237102][ T1868]  setup_net (net/core/net_namespace.c:446)
[   70.237311][ T1868]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   70.237550][ T1868]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   70.237798][ T1868]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   70.238030][ T1868]  copy_net_ns (net/core/net_namespace.c:579)
[   70.238270][ T1868]  create_new_namespaces (kernel/nsproxy.c:132)
[   70.238512][ T1868]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   70.238759][ T1868]  ksys_unshare (kernel/fork.c:3243)
[   70.238989][ T1868]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.239226][ T1868]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   70.239460][ T1868]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   70.239714][ T1868]  ? __ia32_sys_open (fs/open.c:1374)
[   70.239948][ T1868]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   70.240179][ T1868]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.240419][ T1868]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.240674][ T1868]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.240903][ T1868]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.241133][ T1868]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.241404][ T1868] RIP: 0033:0x7f807ac83bcb
[   70.241716][ T1868] 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
[   70.242285][ T1868] RSP: 002b:00007ffe0e5272a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   70.242588][ T1868] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f807ac83bcb
[   70.242895][ T1868] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   70.243188][ T1868] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   70.243490][ T1868] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe0e5294d0
[   70.243807][ T1868] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe0e52a887
| [   70.256505][ T1868] ------------[ cut here ]------------
| [   70.256667][ T1868] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1868
| [   70.256921][ T1868] Modules linked in: xfrm_user nf_tables
| [   70.257322][ T1868] Tainted: [W]=WARN
[   70.257420][ T1868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.257582][ T1868] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.257757][ T1868] 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
[   70.258231][ T1868] RSP: 0018:ffa000000275fa78 EFLAGS: 00010286
[   70.258394][ T1868] RAX: 00000000ffffffa6 RBX: ff1100000532a900 RCX: 1ff40000004ebf15
[   70.258592][ T1868] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000532a9bc
[   70.258795][ T1868] RBP: ff11000008c01000 R08: 1fe2200000a65539 R09: ff1100000abaae80
[   70.258988][ T1868] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   70.259181][ T1868] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008c01000
[   70.259378][ T1868] FS:  00007f807a9c1840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   70.259607][ T1868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.259779][ T1868] CR2: 000055d3d5b67ae8 CR3: 000000000dee7005 CR4: 0000000000771ef0
[   70.259972][ T1868] PKRU: 55555554
[   70.260068][ T1868] Call Trace:
[   70.260164][ T1868]  <TASK>
[   70.260237][ T1868]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.260367][ T1868]  ? notifier_call_chain (kernel/notifier.c:85)
[   70.260496][ T1868]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.260598][ T1868]  register_netdevice (net/core/dev.c:11488)
[   70.260731][ T1868]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.260891][ T1868]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.261022][ T1868]  register_netdev (net/core/dev.c:11552)
[   70.261150][ T1868]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   70.261282][ T1868]  ops_init (net/core/net_namespace.c:137)
[   70.261381][ T1868]  setup_net (net/core/net_namespace.c:446)
[   70.261481][ T1868]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   70.261608][ T1868]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   70.261741][ T1868]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   70.261871][ T1868]  copy_net_ns (net/core/net_namespace.c:579)
[   70.262000][ T1868]  create_new_namespaces (kernel/nsproxy.c:132)
[   70.262131][ T1868]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   70.262268][ T1868]  ksys_unshare (kernel/fork.c:3243)
[   70.262397][ T1868]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.262529][ T1868]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   70.262663][ T1868]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   70.262792][ T1868]  ? __ia32_sys_open (fs/open.c:1374)
[   70.262934][ T1868]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   70.263062][ T1868]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.263189][ T1868]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.263323][ T1868]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.263451][ T1868]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.263581][ T1868]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.263743][ T1868] RIP: 0033:0x7f807ac83bcb
[   70.263876][ T1868] 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
[   70.264341][ T1868] RSP: 002b:00007ffe0e5272a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   70.264538][ T1868] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f807ac83bcb
[   70.264734][ T1868] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   70.264924][ T1868] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   70.265115][ T1868] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe0e5294d0
[   70.265311][ T1868] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe0e52a887
| [   70.269802][ T1868] ------------[ cut here ]------------
| [   70.269934][ T1868] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1868
| [   70.270183][ T1868] Modules linked in: xfrm_user nf_tables
| [   70.270580][ T1868] Tainted: [W]=WARN
[   70.270685][ T1868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.270845][ T1868] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.271010][ T1868] 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
[   70.271472][ T1868] RSP: 0018:ffa000000275fa68 EFLAGS: 00010286
[   70.271639][ T1868] RAX: 00000000ffffffa6 RBX: ff1100000ab68ac0 RCX: 1ff40000004ebf13
[   70.271838][ T1868] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab68b7c
[   70.272030][ T1868] RBP: ff11000009899000 R08: 1fe220000156d171 R09: ff1100000abaae80
[   70.272224][ T1868] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   70.272418][ T1868] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009899000
[   70.272613][ T1868] FS:  00007f807a9c1840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   70.272843][ T1868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.273004][ T1868] CR2: 000055d3d5b67ae8 CR3: 000000000dee7005 CR4: 0000000000771ef0
[   70.273199][ T1868] PKRU: 55555554
[   70.273300][ T1868] Call Trace:
[   70.273395][ T1868]  <TASK>
[   70.273462][ T1868]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.273595][ T1868]  ? notifier_call_chain (kernel/notifier.c:85)
[   70.273728][ T1868]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.273828][ T1868]  register_netdevice (net/core/dev.c:11488)
[   70.273958][ T1868]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.274123][ T1868]  register_netdev (net/core/dev.c:11552)
[   70.274275][ T1868]  sit_init_net (net/ipv6/sit.c:1860)
[   70.274404][ T1868]  ops_init (net/core/net_namespace.c:137)
[   70.274505][ T1868]  setup_net (net/core/net_namespace.c:446)
[   70.274603][ T1868]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   70.274737][ T1868]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   70.274866][ T1868]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   70.274997][ T1868]  copy_net_ns (net/core/net_namespace.c:579)
[   70.275128][ T1868]  create_new_namespaces (kernel/nsproxy.c:132)
[   70.275264][ T1868]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   70.275392][ T1868]  ksys_unshare (kernel/fork.c:3243)
[   70.275525][ T1868]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.275660][ T1868]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   70.275789][ T1868]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   70.275919][ T1868]  ? __ia32_sys_open (fs/open.c:1374)
[   70.276051][ T1868]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   70.276178][ T1868]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.276310][ T1868]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.276438][ T1868]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.276571][ T1868]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.276704][ T1868]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.276863][ T1868] RIP: 0033:0x7f807ac83bcb
[   70.276997][ T1868] 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
[   70.277462][ T1868] RSP: 002b:00007ffe0e5272a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   70.277664][ T1868] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f807ac83bcb
[   70.277862][ T1868] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   70.278053][ T1868] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   70.278247][ T1868] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe0e5294d0
[   70.278439][ T1868] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe0e52a887
| [   70.282982][ T1868] ------------[ cut here ]------------
| [   70.283116][ T1868] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1868
| [   70.283372][ T1868] Modules linked in: xfrm_user nf_tables
| [   70.283775][ T1868] Tainted: [W]=WARN
[   70.283872][ T1868] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.284033][ T1868] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.284199][ T1868] 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
[   70.284667][ T1868] RSP: 0018:ffa000000275fa78 EFLAGS: 00010286
[   70.284829][ T1868] RAX: 00000000ffffffa6 RBX: ff110000050858c0 RCX: 1ff40000004ebf15
[   70.285021][ T1868] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000508597c
[   70.285218][ T1868] RBP: ff11000009834000 R08: 1fe2200000a10b31 R09: ff1100000abaae80
[   70.285410][ T1868] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   70.285603][ T1868] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009834000
[   70.285801][ T1868] FS:  00007f807a9c1840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   70.286026][ T1868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.286187][ T1868] CR2: 000055d3d5b67ae8 CR3: 000000000dee7005 CR4: 0000000000771ef0
[   70.286385][ T1868] PKRU: 55555554
[   70.286481][ T1868] Call Trace:
[   70.286578][ T1868]  <TASK>
[   70.286644][ T1868]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.286777][ T1868]  ? notifier_call_chain (kernel/notifier.c:85)
[   70.286905][ T1868]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.287003][ T1868]  register_netdevice (net/core/dev.c:11488)
[   70.287223][ T1868]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.287382][ T1868]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.287516][ T1868]  register_netdev (net/core/dev.c:11552)
[   70.287644][ T1868]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   70.287862][ T1868]  ops_init (net/core/net_namespace.c:137)
[   70.287961][ T1868]  setup_net (net/core/net_namespace.c:446)
[   70.288060][ T1868]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   70.288186][ T1868]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   70.288318][ T1868]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   70.288535][ T1868]  copy_net_ns (net/core/net_namespace.c:579)
[   70.288667][ T1868]  create_new_namespaces (kernel/nsproxy.c:132)
[   70.288799][ T1868]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   70.288927][ T1868]  ksys_unshare (kernel/fork.c:3243)
[   70.289140][ T1868]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.289273][ T1868]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   70.289401][ T1868]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   70.289534][ T1868]  ? __ia32_sys_open (fs/open.c:1374)
[   70.289753][ T1868]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   70.289881][ T1868]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.290007][ T1868]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.290135][ T1868]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.290354][ T1868]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.290481][ T1868]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.290641][ T1868] RIP: 0033:0x7f807ac83bcb
[   70.290869][ T1868] 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
[   70.291330][ T1868] RSP: 002b:00007ffe0e5272a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   70.291609][ T1868] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f807ac83bcb
[   70.291804][ T1868] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   70.292081][ T1868] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   70.292279][ T1868] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe0e5294d0
[   70.292468][ T1868] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe0e52a887
| [   70.323067][ T1869] ------------[ cut here ]------------
| [   70.323214][ T1869] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1869
| [   70.323474][ T1869] Modules linked in: xfrm_user nf_tables
| [   70.323874][ T1869] Tainted: [W]=WARN
[   70.323971][ T1869] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.324131][ T1869] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.324304][ T1869] 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
[   70.324765][ T1869] RSP: 0018:ffa000000276f020 EFLAGS: 00010286
[   70.324926][ T1869] RAX: 00000000ffffffa6 RBX: ff11000009b8a740 RCX: 1ff40000004eddca
[   70.325116][ T1869] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009b8a7fc
[   70.325314][ T1869] RBP: ff110000087d9000 R08: 1fe2200001371501 R09: ff1100000fb05158
[   70.325506][ T1869] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   70.325703][ T1869] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   70.325894][ T1869] FS:  00007fe56a272840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   70.326119][ T1869] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.326284][ T1869] CR2: 00007fe56a5421a0 CR3: 00000000138f7001 CR4: 0000000000771ef0
[   70.326475][ T1869] PKRU: 55555554
[   70.326575][ T1869] Call Trace:
[   70.326675][ T1869]  <TASK>
[   70.326742][ T1869]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.326872][ T1869]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.326970][ T1869]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   70.327098][ T1869]  __dev_notify_flags (net/core/dev.c:9787)
[   70.327233][ T1869]  ? netif_change_name (net/core/dev.c:1495)
[   70.327362][ T1869]  ? __dev_change_flags (net/core/dev.c:9752)
[   70.327493][ T1869]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   70.327623][ T1869]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.328416][ T1869]  ? 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))
[   70.328551][ T1869]  netif_change_flags (net/core/dev.c:9820)
[   70.328685][ T1869]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   70.328814][ T1869]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   70.328944][ T1869]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   70.329074][ T1869]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   70.329239][ T1869]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   70.329367][ T1869]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.329496][ T1869]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   70.329627][ T1869]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.329759][ T1869]  ? __kernel_text_address (kernel/extable.c:79)
[   70.329889][ T1869]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.330019][ T1869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.330146][ T1869]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   70.330279][ T1869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.330409][ T1869]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   70.330541][ T1869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.330674][ T1869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.330802][ T1869]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   70.330933][ T1869]  ? __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)
[   70.331061][ T1869]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   70.331190][ T1869]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   70.331375][ T1869]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   70.331515][ T1869]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   70.331647][ T1869]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   70.331781][ T1869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.331910][ T1869]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.332039][ T1869]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.332168][ T1869]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   70.332307][ T1869]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.332440][ T1869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.332575][ T1869]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.332709][ T1869]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.332837][ T1869]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.332971][ T1869]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.333101][ T1869]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   70.333235][ T1869]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.333365][ T1869]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.333494][ T1869]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.333626][ T1869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.333757][ T1869]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.333885][ T1869]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   70.334016][ T1869]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.334144][ T1869]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.334281][ T1869]  ? 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))
[   70.334408][ T1869]  ? 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))
[   70.334540][ T1869]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.334676][ T1869]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.334805][ T1869]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.334935][ T1869]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   70.335065][ T1869]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   70.335192][ T1869]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   70.335329][ T1869]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   70.335457][ T1869]  ? copy_msghdr_from_user (net/socket.c:2635)
[   70.335590][ T1869]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   70.335752][ T1869]  ? move_addr_to_kernel (net/socket.c:258)
[   70.335881][ T1869]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.336011][ T1869]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.336140][ T1869]  ___sys_sendmsg (net/socket.c:2752)
[   70.336272][ T1869]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   70.336430][ T1869]  ? copy_msghdr_from_user (net/socket.c:2603)
[   70.336573][ T1869]  __sys_sendmsg (net/socket.c:2784)
[   70.336707][ T1869]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   70.336834][ T1869]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   70.336996][ T1869]  ? 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)
[   70.337123][ T1869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.337255][ T1869]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.337383][ T1869]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.337513][ T1869]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.337642][ T1869]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.337806][ T1869] RIP: 0033:0x7fe56a4ac08e
[   70.337940][ T1869] 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
[   70.338400][ T1869] RSP: 002b:00007ffce43acdb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.338596][ T1869] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe56a4ac08e
[   70.338792][ T1869] RDX: 0000000000000000 RSI: 00007ffce43ace60 RDI: 0000000000000005
[   70.338982][ T1869] RBP: 00007ffce43acdc0 R08: 0000000000000000 R09: 0000000000000000
[   70.339173][ T1869] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d870
[   70.339372][ T1869] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce43ad530
| [   70.460357][ T1873] ------------[ cut here ]------------
| [   70.460508][ T1873] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1873
| [   70.460777][ T1873] Modules linked in: xfrm_user nf_tables
| [   70.461173][ T1873] Tainted: [W]=WARN
[   70.461276][ T1873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.461438][ T1873] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.461612][ T1873] 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
[   70.462077][ T1873] RSP: 0018:ffa00000027afa80 EFLAGS: 00010286
[   70.462246][ T1873] RAX: 00000000ffffffa6 RBX: ff11000010b85e00 RCX: 1ff40000004f5f16
[   70.462437][ T1873] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010b85ebc
[   70.462633][ T1873] RBP: ff1100000a9a1000 R08: 1fe2200002170bd9 R09: ff1100000e602e80
[   70.462830][ T1873] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   70.463024][ T1873] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a9a1000
[   70.463224][ T1873] FS:  00007f66c484d840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   70.463451][ T1873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.463614][ T1873] CR2: 00007f66c4a4ec20 CR3: 0000000008d6f006 CR4: 0000000000771ef0
[   70.463813][ T1873] PKRU: 55555554
[   70.463909][ T1873] Call Trace:
[   70.464004][ T1873]  <TASK>
[   70.464072][ T1873]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.464201][ T1873]  ? notifier_call_chain (kernel/notifier.c:85)
[   70.464336][ T1873]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.464434][ T1873]  register_netdevice (net/core/dev.c:11488)
[   70.464569][ T1873]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.464732][ T1873]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   70.464861][ T1873]  register_netdev (net/core/dev.c:11552)
[   70.464989][ T1873]  loopback_net_init (drivers/net/loopback.c:218)
[   70.465118][ T1873]  ops_init (net/core/net_namespace.c:137)
[   70.465220][ T1873]  setup_net (net/core/net_namespace.c:446)
[   70.465318][ T1873]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   70.465444][ T1873]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   70.465576][ T1873]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   70.465713][ T1873]  copy_net_ns (net/core/net_namespace.c:579)
[   70.465845][ T1873]  create_new_namespaces (kernel/nsproxy.c:132)
[   70.465975][ T1873]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   70.466107][ T1873]  ksys_unshare (kernel/fork.c:3243)
[   70.466242][ T1873]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.466370][ T1873]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   70.466498][ T1873]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   70.466631][ T1873]  ? __ia32_sys_open (fs/open.c:1374)
[   70.466765][ T1873]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   70.466894][ T1873]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.467021][ T1873]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.467149][ T1873]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.467283][ T1873]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.467413][ T1873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.467574][ T1873] RIP: 0033:0x7f66c4b0fbcb
[   70.467787][ T1873] 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
[   70.468327][ T1873] RSP: 002b:00007ffe642c3478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   70.468525][ T1873] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f66c4b0fbcb
[   70.468737][ T1873] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   70.468929][ T1873] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   70.469123][ T1873] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe642c56a0
[   70.469320][ T1873] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe642c7887
| [   70.473445][ T1873] ------------[ cut here ]------------
| [   70.473586][ T1873] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1873
| [   70.473842][ T1873] Modules linked in: xfrm_user nf_tables
| [   70.474241][ T1873] Tainted: [W]=WARN
[   70.474337][ T1873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.474496][ T1873] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.474667][ T1873] 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
[   70.475120][ T1873] RSP: 0018:ffa00000027af918 EFLAGS: 00010286
[   70.475285][ T1873] RAX: 00000000ffffffa6 RBX: ff11000013bb0200 RCX: 1ff40000004f5ee9
[   70.475475][ T1873] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013bb02bc
[   70.476169][ T1873] RBP: ff11000010214000 R08: 1fe2200002776059 R09: ff1100000e602e80
[   70.476365][ T1873] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   70.476560][ T1873] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010214000
[   70.476805][ T1873] FS:  00007f66c484d840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   70.477029][ T1873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.477190][ T1873] CR2: 00007f66c4a4ec20 CR3: 0000000008d6f006 CR4: 0000000000771ef0
[   70.477388][ T1873] PKRU: 55555554
[   70.477483][ T1873] Call Trace:
[   70.477579][ T1873]  <TASK>
[   70.477645][ T1873]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.477826][ T1873]  ? notifier_call_chain (kernel/notifier.c:85)
[   70.477954][ T1873]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.478053][ T1873]  register_netdevice (net/core/dev.c:11488)
[   70.478183][ T1873]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.478346][ T1873]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   70.478476][ T1873]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   70.478607][ T1873]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   70.478789][ T1873]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   70.478920][ T1873]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   70.479050][ T1873]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   70.479180][ T1873]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   70.479314][ T1873]  ops_init (net/core/net_namespace.c:137)
[   70.479412][ T1873]  setup_net (net/core/net_namespace.c:446)
[   70.479514][ T1873]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   70.479642][ T1873]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   70.479824][ T1873]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   70.479956][ T1873]  copy_net_ns (net/core/net_namespace.c:579)
[   70.480084][ T1873]  create_new_namespaces (kernel/nsproxy.c:132)
[   70.480219][ T1873]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   70.480349][ T1873]  ksys_unshare (kernel/fork.c:3243)
[   70.480477][ T1873]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.480608][ T1873]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   70.480788][ T1873]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   70.480918][ T1873]  ? __ia32_sys_open (fs/open.c:1374)
[   70.481047][ T1873]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   70.481175][ T1873]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.481307][ T1873]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.481433][ T1873]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.481564][ T1873]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.481746][ T1873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.481904][ T1873] RIP: 0033:0x7f66c4b0fbcb
[   70.482040][ T1873] 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
[   70.482499][ T1873] RSP: 002b:00007ffe642c3478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   70.482748][ T1873] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f66c4b0fbcb
[   70.482939][ T1873] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   70.483129][ T1873] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   70.483326][ T1873] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe642c56a0
[   70.483517][ T1873] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe642c7887
| [   70.487688][ T1873] ------------[ cut here ]------------
| [   70.487822][ T1873] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1873
| [   70.488077][ T1873] Modules linked in: xfrm_user nf_tables
| [   70.488476][ T1873] Tainted: [W]=WARN
[   70.488576][ T1873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.488744][ T1873] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.488912][ T1873] 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
[   70.489381][ T1873] RSP: 0018:ffa00000027af8f8 EFLAGS: 00010286
[   70.489546][ T1873] RAX: 00000000ffffffa6 RBX: ff110000108fac80 RCX: 1ff40000004f5ee5
[   70.489744][ T1873] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000108fad3c
[   70.489939][ T1873] RBP: ff11000012944000 R08: 1fe220000211f5a9 R09: ff1100000e602e80
[   70.490133][ T1873] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   70.490332][ T1873] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012944000
[   70.490533][ T1873] FS:  00007f66c484d840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   70.490764][ T1873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.490926][ T1873] CR2: 00007f66c4a4ec20 CR3: 0000000008d6f006 CR4: 0000000000771ef0
[   70.491121][ T1873] PKRU: 55555554
[   70.491221][ T1873] Call Trace:
[   70.491317][ T1873]  <TASK>
[   70.491384][ T1873]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.491517][ T1873]  ? notifier_call_chain (kernel/notifier.c:85)
[   70.491650][ T1873]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.491756][ T1873]  register_netdevice (net/core/dev.c:11488)
[   70.491888][ T1873]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.492051][ T1873]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   70.492184][ T1873]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   70.492317][ T1873]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   70.492447][ T1873]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   70.492581][ T1873]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   70.493227][ T1873]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   70.493362][ T1873]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   70.493494][ T1873]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   70.493630][ T1873]  vti_init_net (net/ipv4/ip_vti.c:517)
[   70.493814][ T1873]  ops_init (net/core/net_namespace.c:137)
[   70.493915][ T1873]  setup_net (net/core/net_namespace.c:446)
[   70.494014][ T1873]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   70.494146][ T1873]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   70.494282][ T1873]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   70.494415][ T1873]  copy_net_ns (net/core/net_namespace.c:579)
[   70.494548][ T1873]  create_new_namespaces (kernel/nsproxy.c:132)
[   70.494737][ T1873]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   70.494922][ T1873]  ksys_unshare (kernel/fork.c:3243)
[   70.495053][ T1873]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.495185][ T1873]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   70.495319][ T1873]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   70.495449][ T1873]  ? __ia32_sys_open (fs/open.c:1374)
[   70.495582][ T1873]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   70.495767][ T1873]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.495897][ T1873]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.496025][ T1873]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.496156][ T1873]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.496289][ T1873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.496449][ T1873] RIP: 0033:0x7f66c4b0fbcb
[   70.496585][ T1873] 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
[   70.497104][ T1873] RSP: 002b:00007ffe642c3478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   70.497308][ T1873] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f66c4b0fbcb
[   70.497504][ T1873] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   70.497753][ T1873] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   70.497946][ T1873] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe642c56a0
[   70.498139][ T1873] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe642c7887
| [   70.507725][ T1873] ------------[ cut here ]------------
| [   70.507871][ T1873] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1873
| [   70.508127][ T1873] Modules linked in: xfrm_user nf_tables
| [   70.508530][ T1873] Tainted: [W]=WARN
[   70.508628][ T1873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.508794][ T1873] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.508964][ T1873] 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
[   70.509425][ T1873] RSP: 0018:ffa00000027afa78 EFLAGS: 00010286
[   70.509591][ T1873] RAX: 00000000ffffffa6 RBX: ff11000005084ac0 RCX: 1ff40000004f5f15
[   70.509792][ T1873] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005084b7c
[   70.509986][ T1873] RBP: ff11000005394000 R08: 1fe2200000a10971 R09: ff1100000e602e80
[   70.510178][ T1873] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   70.510376][ T1873] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005394000
[   70.510572][ T1873] FS:  00007f66c484d840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   70.510805][ T1873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.510968][ T1873] CR2: 00007ffc20f83dec CR3: 0000000008d6f001 CR4: 0000000000771ef0
[   70.511163][ T1873] PKRU: 55555554
[   70.511265][ T1873] Call Trace:
[   70.511360][ T1873]  <TASK>
[   70.511427][ T1873]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.511562][ T1873]  ? notifier_call_chain (kernel/notifier.c:85)
[   70.511696][ T1873]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.511794][ T1873]  register_netdevice (net/core/dev.c:11488)
[   70.511924][ T1873]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.512084][ T1873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.512223][ T1873]  register_netdev (net/core/dev.c:11552)
[   70.512353][ T1873]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   70.512487][ T1873]  ops_init (net/core/net_namespace.c:137)
[   70.512589][ T1873]  setup_net (net/core/net_namespace.c:446)
[   70.512693][ T1873]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   70.512821][ T1873]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   70.512949][ T1873]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   70.513082][ T1873]  copy_net_ns (net/core/net_namespace.c:579)
[   70.513216][ T1873]  create_new_namespaces (kernel/nsproxy.c:132)
[   70.513350][ T1873]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   70.513480][ T1873]  ksys_unshare (kernel/fork.c:3243)
[   70.513608][ T1873]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.513743][ T1873]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   70.513873][ T1873]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   70.514003][ T1873]  ? __ia32_sys_open (fs/open.c:1374)
[   70.514135][ T1873]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   70.514270][ T1873]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.514397][ T1873]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.514529][ T1873]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.514661][ T1873]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.514791][ T1873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.514949][ T1873] RIP: 0033:0x7f66c4b0fbcb
[   70.515082][ T1873] 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
[   70.515545][ T1873] RSP: 002b:00007ffe642c3478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   70.515744][ T1873] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f66c4b0fbcb
[   70.515934][ T1873] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   70.516127][ T1873] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   70.516324][ T1873] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe642c56a0
[   70.516516][ T1873] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe642c7887
| [   70.520515][ T1873] ------------[ cut here ]------------
| [   70.520649][ T1873] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1873
| [   70.520908][ T1873] Modules linked in: xfrm_user nf_tables
| [   70.521308][ T1873] Tainted: [W]=WARN
[   70.521406][ T1873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.521571][ T1873] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.521742][ T1873] 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
[   70.522199][ T1873] RSP: 0018:ffa00000027afa68 EFLAGS: 00010286
[   70.522366][ T1873] RAX: 00000000ffffffa6 RBX: ff1100000ab68200 RCX: 1ff40000004f5f13
[   70.522562][ T1873] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab682bc
[   70.522761][ T1873] RBP: ff110000097e1000 R08: 1fe220000156d059 R09: ff1100000e602e80
[   70.522954][ T1873] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   70.523144][ T1873] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000097e1000
[   70.523345][ T1873] FS:  00007f66c484d840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   70.523573][ T1873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.523739][ T1873] CR2: 00007ffc20f83dec CR3: 0000000008d6f001 CR4: 0000000000771ef0
[   70.523934][ T1873] PKRU: 55555554
[   70.524029][ T1873] Call Trace:
[   70.524125][ T1873]  <TASK>
[   70.524191][ T1873]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.524323][ T1873]  ? notifier_call_chain (kernel/notifier.c:85)
[   70.524452][ T1873]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.524551][ T1873]  register_netdevice (net/core/dev.c:11488)
[   70.524689][ T1873]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.524851][ T1873]  register_netdev (net/core/dev.c:11552)
[   70.524980][ T1873]  sit_init_net (net/ipv6/sit.c:1860)
[   70.525109][ T1873]  ops_init (net/core/net_namespace.c:137)
[   70.525212][ T1873]  setup_net (net/core/net_namespace.c:446)
[   70.525310][ T1873]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   70.525438][ T1873]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   70.525570][ T1873]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   70.525708][ T1873]  copy_net_ns (net/core/net_namespace.c:579)
[   70.525838][ T1873]  create_new_namespaces (kernel/nsproxy.c:132)
[   70.525969][ T1873]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   70.526097][ T1873]  ksys_unshare (kernel/fork.c:3243)
[   70.526229][ T1873]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.526357][ T1873]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   70.526486][ T1873]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   70.526617][ T1873]  ? __ia32_sys_open (fs/open.c:1374)
[   70.526752][ T1873]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   70.526879][ T1873]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.527007][ T1873]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.527134][ T1873]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.527268][ T1873]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.527396][ T1873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.527560][ T1873] RIP: 0033:0x7f66c4b0fbcb
[   70.527698][ T1873] 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
[   70.528154][ T1873] RSP: 002b:00007ffe642c3478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   70.528351][ T1873] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f66c4b0fbcb
[   70.528546][ T1873] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   70.528742][ T1873] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   70.528934][ T1873] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe642c56a0
[   70.529124][ T1873] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe642c7887
| [   70.533351][ T1873] ------------[ cut here ]------------
| [   70.533486][ T1873] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1873
| [   70.533752][ T1873] Modules linked in: xfrm_user nf_tables
| [   70.534146][ T1873] Tainted: [W]=WARN
[   70.534250][ T1873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.534410][ T1873] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.534581][ T1873] 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
[   70.535045][ T1873] RSP: 0018:ffa00000027afa78 EFLAGS: 00010286
[   70.535211][ T1873] RAX: 00000000ffffffa6 RBX: ff11000013bb1e00 RCX: 1ff40000004f5f15
[   70.535404][ T1873] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013bb1ebc
[   70.535601][ T1873] RBP: ff110000097b4000 R08: 1fe22000027763d9 R09: ff1100000e602e80
[   70.535798][ T1873] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   70.535989][ T1873] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000097b4000
[   70.536182][ T1873] FS:  00007f66c484d840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   70.536414][ T1873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.536578][ T1873] CR2: 00007ffc20f83dec CR3: 0000000008d6f001 CR4: 0000000000771ef0
[   70.536777][ T1873] PKRU: 55555554
[   70.536873][ T1873] Call Trace:
[   70.536969][ T1873]  <TASK>
[   70.537035][ T1873]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.537164][ T1873]  ? notifier_call_chain (kernel/notifier.c:85)
[   70.537301][ T1873]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.537399][ T1873]  register_netdevice (net/core/dev.c:11488)
[   70.537533][ T1873]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.537697][ T1873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.537827][ T1873]  register_netdev (net/core/dev.c:11552)
[   70.537957][ T1873]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   70.538086][ T1873]  ops_init (net/core/net_namespace.c:137)
[   70.538185][ T1873]  setup_net (net/core/net_namespace.c:446)
[   70.538286][ T1873]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   70.538413][ T1873]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   70.538545][ T1873]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   70.538680][ T1873]  copy_net_ns (net/core/net_namespace.c:579)
[   70.538810][ T1873]  create_new_namespaces (kernel/nsproxy.c:132)
[   70.538941][ T1873]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   70.539072][ T1873]  ksys_unshare (kernel/fork.c:3243)
[   70.539199][ T1873]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.539331][ T1873]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   70.539460][ T1873]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   70.539593][ T1873]  ? __ia32_sys_open (fs/open.c:1374)
[   70.539728][ T1873]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   70.539855][ T1873]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.539984][ T1873]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.540111][ T1873]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.540243][ T1873]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.540372][ T1873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.540535][ T1873] RIP: 0033:0x7f66c4b0fbcb
[   70.540674][ T1873] 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
[   70.541131][ T1873] RSP: 002b:00007ffe642c3478 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   70.541330][ T1873] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f66c4b0fbcb
[   70.541525][ T1873] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   70.541721][ T1873] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   70.541915][ T1873] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe642c56a0
[   70.542107][ T1873] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe642c7887
| [   70.573550][ T1874] ------------[ cut here ]------------
| [   70.573735][ T1874] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1874
| [   70.574039][ T1874] Modules linked in: xfrm_user nf_tables
| [   70.574535][ T1874] Tainted: [W]=WARN
[   70.574692][ T1874] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.574898][ T1874] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.575110][ T1874] 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
[   70.575624][ T1874] RSP: 0018:ffa00000027bf020 EFLAGS: 00010286
[   70.575846][ T1874] RAX: 00000000ffffffa6 RBX: ff11000012120e40 RCX: 1ff40000004f7dca
[   70.576083][ T1874] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012120efc
[   70.576332][ T1874] RBP: ff1100000a9a1000 R08: 1fe22000024241e1 R09: ff1100000e605158
[   70.576579][ T1874] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   70.576828][ T1874] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   70.577067][ T1874] FS:  00007f7227670840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   70.577351][ T1874] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.577566][ T1874] CR2: 00007f72279401a0 CR3: 000000000fd1f005 CR4: 0000000000771ef0
[   70.577820][ T1874] PKRU: 55555554
[   70.577963][ T1874] Call Trace:
[   70.578106][ T1874]  <TASK>
[   70.578226][ T1874]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.578404][ T1874]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.578558][ T1874]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   70.578748][ T1874]  __dev_notify_flags (net/core/dev.c:9787)
[   70.578925][ T1874]  ? netif_change_name (net/core/dev.c:1495)
[   70.579101][ T1874]  ? __dev_change_flags (net/core/dev.c:9752)
[   70.579288][ T1874]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   70.579464][ T1874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.579649][ T1874]  ? 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))
[   70.579844][ T1874]  netif_change_flags (net/core/dev.c:9820)
[   70.580022][ T1874]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   70.580199][ T1874]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   70.580386][ T1874]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   70.580571][ T1874]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   70.580793][ T1874]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   70.580970][ T1874]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.581146][ T1874]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   70.581327][ T1874]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.581505][ T1874]  ? __kernel_text_address (kernel/extable.c:79)
[   70.581697][ T1874]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.581876][ T1874]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.582052][ T1874]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   70.582240][ T1874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.582419][ T1874]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   70.582601][ T1874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.582789][ T1874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.582965][ T1874]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   70.583141][ T1874]  ? __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)
[   70.583327][ T1874]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   70.583504][ T1874]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   70.583702][ T1874]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   70.583882][ T1874]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   70.584059][ T1874]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   70.584245][ T1874]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.584420][ T1874]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.584608][ T1874]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.584794][ T1874]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   70.584969][ T1874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.585150][ T1874]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.585332][ T1874]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.585511][ T1874]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.585703][ T1874]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.585881][ T1874]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.586056][ T1874]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   70.586239][ T1874]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.586415][ T1874]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.586602][ T1874]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.586792][ T1874]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.586965][ T1874]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.587142][ T1874]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   70.587327][ T1874]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.587507][ T1874]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.587704][ T1874]  ? 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))
[   70.587884][ T1874]  ? 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))
[   70.588060][ T1874]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.588244][ T1874]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.588420][ T1874]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.588607][ T1874]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   70.588799][ T1874]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   70.588978][ T1874]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   70.589159][ T1874]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   70.589347][ T1874]  ? copy_msghdr_from_user (net/socket.c:2635)
[   70.589527][ T1874]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   70.589746][ T1874]  ? move_addr_to_kernel (net/socket.c:258)
[   70.589924][ T1874]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.590100][ T1874]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.590291][ T1874]  ___sys_sendmsg (net/socket.c:2752)
[   70.590467][ T1874]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   70.590698][ T1874]  ? copy_msghdr_from_user (net/socket.c:2603)
[   70.590890][ T1874]  __sys_sendmsg (net/socket.c:2784)
[   70.591068][ T1874]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   70.591251][ T1874]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   70.591463][ T1874]  ? 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)
[   70.591648][ T1874]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.591840][ T1874]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.592019][ T1874]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.592194][ T1874]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.592380][ T1874]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.592595][ T1874] RIP: 0033:0x7f72278aa08e
[   70.592790][ T1874] 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
[   70.593310][ T1874] RSP: 002b:00007ffe247936c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.593561][ T1874] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f72278aa08e
[   70.593815][ T1874] RDX: 0000000000000000 RSI: 00007ffe24793770 RDI: 0000000000000005
[   70.594053][ T1874] RBP: 00007ffe247936d0 R08: 0000000000000000 R09: 0000000000000000
[   70.594304][ T1874] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d870
[   70.594549][ T1874] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe24793e40
| [   70.712082][ T1878] ------------[ cut here ]------------
| [   70.712242][ T1878] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1878
| [   70.712507][ T1878] Modules linked in: xfrm_user nf_tables
| [   70.712916][ T1878] Tainted: [W]=WARN
[   70.713015][ T1878] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.713178][ T1878] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.713352][ T1878] 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
[   70.713818][ T1878] RSP: 0018:ffa00000027efa80 EFLAGS: 00010286
[   70.713984][ T1878] RAX: 00000000ffffffa6 RBX: ff1100000d093000 RCX: 1ff40000004fdf16
[   70.714180][ T1878] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0930bc
[   70.714381][ T1878] RBP: ff11000005379000 R08: 1fe2200001a12619 R09: ff11000009c5ae80
[   70.714578][ T1878] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   70.714778][ T1878] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005379000
[   70.714974][ T1878] FS:  00007f2bf0d13840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   70.715205][ T1878] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.715375][ T1878] CR2: 00007f2bf0f1a430 CR3: 0000000009993006 CR4: 0000000000771ef0
[   70.715576][ T1878] PKRU: 55555554
[   70.715680][ T1878] Call Trace:
[   70.715777][ T1878]  <TASK>
[   70.715845][ T1878]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.715977][ T1878]  ? notifier_call_chain (kernel/notifier.c:85)
[   70.716107][ T1878]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.716212][ T1878]  register_netdevice (net/core/dev.c:11488)
[   70.716345][ T1878]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.716512][ T1878]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   70.716643][ T1878]  register_netdev (net/core/dev.c:11552)
[   70.716780][ T1878]  loopback_net_init (drivers/net/loopback.c:218)
[   70.716911][ T1878]  ops_init (net/core/net_namespace.c:137)
[   70.717011][ T1878]  setup_net (net/core/net_namespace.c:446)
[   70.717111][ T1878]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   70.717246][ T1878]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   70.717376][ T1878]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   70.717512][ T1878]  copy_net_ns (net/core/net_namespace.c:579)
[   70.717643][ T1878]  create_new_namespaces (kernel/nsproxy.c:132)
[   70.717781][ T1878]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   70.717912][ T1878]  ksys_unshare (kernel/fork.c:3243)
[   70.718041][ T1878]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.718171][ T1878]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   70.718306][ T1878]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   70.718436][ T1878]  ? __ia32_sys_open (fs/open.c:1374)
[   70.718571][ T1878]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   70.718928][ T1878]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.719059][ T1878]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.719189][ T1878]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.719324][ T1878]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.719454][ T1878]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.719621][ T1878] RIP: 0033:0x7f2bf0fd5bcb
[   70.719764][ T1878] 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
[   70.720236][ T1878] RSP: 002b:00007ffce77b6ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   70.720432][ T1878] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2bf0fd5bcb
[   70.720631][ T1878] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   70.720830][ T1878] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   70.721025][ T1878] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce77b9110
[   70.721224][ T1878] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce77ba887
| [   70.725413][ T1878] ------------[ cut here ]------------
| [   70.725551][ T1878] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1878
| [   70.725815][ T1878] Modules linked in: xfrm_user nf_tables
| [   70.726214][ T1878] Tainted: [W]=WARN
[   70.726315][ T1878] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.726477][ T1878] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.726646][ T1878] 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
[   70.727115][ T1878] RSP: 0018:ffa00000027ef918 EFLAGS: 00010286
[   70.727283][ T1878] RAX: 00000000ffffffa6 RBX: ff11000013bda040 RCX: 1ff40000004fdee9
[   70.727475][ T1878] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013bda0fc
[   70.727679][ T1878] RBP: ff1100000fbfc000 R08: 1fe220000277b421 R09: ff11000009c5ae80
[   70.727872][ T1878] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   70.728063][ T1878] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fbfc000
[   70.728259][ T1878] FS:  00007f2bf0d13840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   70.728488][ T1878] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.728659][ T1878] CR2: 00007f2bf0f1a430 CR3: 0000000009993006 CR4: 0000000000771ef0
[   70.728855][ T1878] PKRU: 55555554
[   70.728951][ T1878] Call Trace:
[   70.729048][ T1878]  <TASK>
[   70.729116][ T1878]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.729252][ T1878]  ? notifier_call_chain (kernel/notifier.c:85)
[   70.729382][ T1878]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.729481][ T1878]  register_netdevice (net/core/dev.c:11488)
[   70.729618][ T1878]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.729790][ T1878]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   70.729922][ T1878]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   70.730053][ T1878]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   70.730185][ T1878]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   70.730319][ T1878]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   70.730448][ T1878]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   70.730581][ T1878]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   70.730717][ T1878]  ops_init (net/core/net_namespace.c:137)
[   70.730818][ T1878]  setup_net (net/core/net_namespace.c:446)
[   70.730916][ T1878]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   70.731045][ T1878]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   70.731176][ T1878]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   70.731313][ T1878]  copy_net_ns (net/core/net_namespace.c:579)
[   70.731446][ T1878]  create_new_namespaces (kernel/nsproxy.c:132)
[   70.731581][ T1878]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   70.731721][ T1878]  ksys_unshare (kernel/fork.c:3243)
[   70.731851][ T1878]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.731980][ T1878]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   70.732109][ T1878]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   70.732246][ T1878]  ? __ia32_sys_open (fs/open.c:1374)
[   70.732380][ T1878]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   70.732514][ T1878]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.732642][ T1878]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.732778][ T1878]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.732908][ T1878]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.733036][ T1878]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.733198][ T1878] RIP: 0033:0x7f2bf0fd5bcb
[   70.733337][ T1878] 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
[   70.733806][ T1878] RSP: 002b:00007ffce77b6ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   70.734003][ T1878] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2bf0fd5bcb
[   70.734196][ T1878] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   70.734395][ T1878] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   70.734593][ T1878] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce77b9110
[   70.734791][ T1878] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce77ba887
| [   70.738602][ T1878] ------------[ cut here ]------------
| [   70.738746][ T1878] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1878
| [   70.739009][ T1878] Modules linked in: xfrm_user nf_tables
| [   70.739414][ T1878] Tainted: [W]=WARN
[   70.739515][ T1878] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.739686][ T1878] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.739868][ T1878] 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
[   70.740339][ T1878] RSP: 0018:ffa00000027ef8f8 EFLAGS: 00010286
[   70.740508][ T1878] RAX: 00000000ffffffa6 RBX: ff11000013bda3c0 RCX: 1ff40000004fdee5
[   70.740712][ T1878] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013bda47c
[   70.740908][ T1878] RBP: ff1100000d33c000 R08: 1fe220000277b491 R09: ff11000009c5ae80
[   70.741103][ T1878] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   70.741305][ T1878] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d33c000
[   70.741505][ T1878] FS:  00007f2bf0d13840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   70.741743][ T1878] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.741908][ T1878] CR2: 00007f2bf0f1a430 CR3: 0000000009993006 CR4: 0000000000771ef0
[   70.742105][ T1878] PKRU: 55555554
[   70.742205][ T1878] Call Trace:
[   70.742309][ T1878]  <TASK>
[   70.742376][ T1878]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.742514][ T1878]  ? notifier_call_chain (kernel/notifier.c:85)
[   70.742645][ T1878]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.742752][ T1878]  register_netdevice (net/core/dev.c:11488)
[   70.742884][ T1878]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.743047][ T1878]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   70.743180][ T1878]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   70.743318][ T1878]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   70.743452][ T1878]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   70.743587][ T1878]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   70.743726][ T1878]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   70.743862][ T1878]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   70.743994][ T1878]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   70.744127][ T1878]  vti_init_net (net/ipv4/ip_vti.c:517)
[   70.744265][ T1878]  ops_init (net/core/net_namespace.c:137)
[   70.744366][ T1878]  setup_net (net/core/net_namespace.c:446)
[   70.744467][ T1878]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   70.744601][ T1878]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   70.744740][ T1878]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   70.744873][ T1878]  copy_net_ns (net/core/net_namespace.c:579)
[   70.745007][ T1878]  create_new_namespaces (kernel/nsproxy.c:132)
[   70.745142][ T1878]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   70.745281][ T1878]  ksys_unshare (kernel/fork.c:3243)
[   70.745413][ T1878]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.745547][ T1878]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   70.745685][ T1878]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   70.745816][ T1878]  ? __ia32_sys_open (fs/open.c:1374)
[   70.745950][ T1878]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   70.746081][ T1878]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.746216][ T1878]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.746350][ T1878]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.746482][ T1878]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.746616][ T1878]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.746784][ T1878] RIP: 0033:0x7f2bf0fd5bcb
[   70.746920][ T1878] 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
[   70.747387][ T1878] RSP: 002b:00007ffce77b6ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   70.747589][ T1878] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2bf0fd5bcb
[   70.747791][ T1878] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   70.747986][ T1878] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   70.748183][ T1878] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce77b9110
[   70.748382][ T1878] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce77ba887
| [   70.753029][ T1878] ------------[ cut here ]------------
| [   70.753168][ T1878] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1878
| [   70.753433][ T1878] Modules linked in: xfrm_user nf_tables
| [   70.753931][ T1878] Tainted: [W]=WARN
[   70.754029][ T1878] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.754191][ T1878] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.754365][ T1878] 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
[   70.754930][ T1878] RSP: 0018:ffa00000027efa78 EFLAGS: 00010286
[   70.755093][ T1878] RAX: 00000000ffffffa6 RBX: ff1100000d092200 RCX: 1ff40000004fdf15
[   70.755382][ T1878] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0922bc
[   70.755578][ T1878] RBP: ff110000138e4000 R08: 1fe2200001a12459 R09: ff11000009c5ae80
[   70.755866][ T1878] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   70.756063][ T1878] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000138e4000
[   70.756266][ T1878] FS:  00007f2bf0d13840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   70.756584][ T1878] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.756753][ T1878] CR2: 00007f2bf0f1a430 CR3: 0000000009993006 CR4: 0000000000771ef0
[   70.756950][ T1878] PKRU: 55555554
[   70.757133][ T1878] Call Trace:
[   70.757236][ T1878]  <TASK>
[   70.757303][ T1878]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.757434][ T1878]  ? notifier_call_chain (kernel/notifier.c:85)
[   70.757567][ T1878]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.757758][ T1878]  register_netdevice (net/core/dev.c:11488)
[   70.757891][ T1878]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.758053][ T1878]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.758185][ T1878]  register_netdev (net/core/dev.c:11552)
[   70.758408][ T1878]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   70.758542][ T1878]  ops_init (net/core/net_namespace.c:137)
[   70.758641][ T1878]  setup_net (net/core/net_namespace.c:446)
[   70.758746][ T1878]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   70.758962][ T1878]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   70.759094][ T1878]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   70.759229][ T1878]  copy_net_ns (net/core/net_namespace.c:579)
[   70.759360][ T1878]  create_new_namespaces (kernel/nsproxy.c:132)
[   70.759582][ T1878]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   70.759718][ T1878]  ksys_unshare (kernel/fork.c:3243)
[   70.759847][ T1878]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.759976][ T1878]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   70.760194][ T1878]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   70.760330][ T1878]  ? __ia32_sys_open (fs/open.c:1374)
[   70.760463][ T1878]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   70.760595][ T1878]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.760729][ T1878]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.760858][ T1878]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.760986][ T1878]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.761115][ T1878]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.761368][ T1878] RIP: 0033:0x7f2bf0fd5bcb
[   70.761505][ T1878] 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
[   70.762065][ T1878] RSP: 002b:00007ffce77b6ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   70.762269][ T1878] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2bf0fd5bcb
[   70.762558][ T1878] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   70.762756][ T1878] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   70.762949][ T1878] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce77b9110
[   70.763236][ T1878] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce77ba887
| [   70.767601][ T1878] ------------[ cut here ]------------
| [   70.768232][ T1878] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1878
| [   70.768496][ T1878] Modules linked in: xfrm_user nf_tables
| [   70.768956][ T1878] Tainted: [W]=WARN
[   70.769057][ T1878] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.769225][ T1878] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.769397][ T1878] 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
[   70.769926][ T1878] RSP: 0018:ffa00000027efa68 EFLAGS: 00010286
[   70.770092][ T1878] RAX: 00000000ffffffa6 RBX: ff1100001540b000 RCX: 1ff40000004fdf13
[   70.770292][ T1878] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001540b0bc
[   70.770490][ T1878] RBP: ff110000134e9000 R08: 1fe2200002a81619 R09: ff11000009c5ae80
[   70.770745][ T1878] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   70.770942][ T1878] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000134e9000
[   70.771139][ T1878] FS:  00007f2bf0d13840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   70.771376][ T1878] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.771545][ T1878] CR2: 00007f2bf0f1a430 CR3: 0000000009993006 CR4: 0000000000771ef0
[   70.771798][ T1878] PKRU: 55555554
[   70.771895][ T1878] Call Trace:
[   70.771991][ T1878]  <TASK>
[   70.772059][ T1878]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.772193][ T1878]  ? notifier_call_chain (kernel/notifier.c:85)
[   70.772329][ T1878]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.772428][ T1878]  register_netdevice (net/core/dev.c:11488)
[   70.772565][ T1878]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.772788][ T1878]  register_netdev (net/core/dev.c:11552)
[   70.772918][ T1878]  sit_init_net (net/ipv6/sit.c:1860)
[   70.773051][ T1878]  ops_init (net/core/net_namespace.c:137)
[   70.773151][ T1878]  setup_net (net/core/net_namespace.c:446)
[   70.773257][ T1878]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   70.773388][ T1878]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   70.773520][ T1878]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   70.773796][ T1878]  copy_net_ns (net/core/net_namespace.c:579)
[   70.773929][ T1878]  create_new_namespaces (kernel/nsproxy.c:132)
[   70.774063][ T1878]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   70.774196][ T1878]  ksys_unshare (kernel/fork.c:3243)
[   70.774332][ T1878]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.774462][ T1878]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   70.774598][ T1878]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   70.774784][ T1878]  ? __ia32_sys_open (fs/open.c:1374)
[   70.774917][ T1878]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   70.775046][ T1878]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.775176][ T1878]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.775313][ T1878]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.775443][ T1878]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.775719][ T1878]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.775882][ T1878] RIP: 0033:0x7f2bf0fd5bcb
[   70.776019][ T1878] 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
[   70.776491][ T1878] RSP: 002b:00007ffce77b6ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   70.776834][ T1878] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2bf0fd5bcb
[   70.777028][ T1878] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   70.777224][ T1878] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   70.777421][ T1878] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce77b9110
[   70.777762][ T1878] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce77ba887
| [   70.782601][ T1878] ------------[ cut here ]------------
| [   70.782762][ T1878] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1878
| [   70.783022][ T1878] Modules linked in: xfrm_user nf_tables
| [   70.783428][ T1878] Tainted: [W]=WARN
[   70.783533][ T1878] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.783700][ T1878] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.783870][ T1878] 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
[   70.784338][ T1878] RSP: 0018:ffa00000027efa78 EFLAGS: 00010286
[   70.784502][ T1878] RAX: 00000000ffffffa6 RBX: ff1100000572b540 RCX: 1ff40000004fdf15
[   70.784708][ T1878] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000572b5fc
[   70.784906][ T1878] RBP: ff1100000f2bc000 R08: 1fe2200000ae56c1 R09: ff11000009c5ae80
[   70.785100][ T1878] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   70.785303][ T1878] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f2bc000
[   70.785500][ T1878] FS:  00007f2bf0d13840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   70.785739][ T1878] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.785901][ T1878] CR2: 00007f66c491a574 CR3: 0000000009993002 CR4: 0000000000771ef0
[   70.786100][ T1878] PKRU: 55555554
[   70.786197][ T1878] Call Trace:
[   70.786304][ T1878]  <TASK>
[   70.786372][ T1878]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.786508][ T1878]  ? notifier_call_chain (kernel/notifier.c:85)
[   70.786639][ T1878]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.786745][ T1878]  register_netdevice (net/core/dev.c:11488)
[   70.786878][ T1878]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.787042][ T1878]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.787175][ T1878]  register_netdev (net/core/dev.c:11552)
[   70.787311][ T1878]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   70.787442][ T1878]  ops_init (net/core/net_namespace.c:137)
[   70.787545][ T1878]  setup_net (net/core/net_namespace.c:446)
[   70.787644][ T1878]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   70.787779][ T1878]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   70.787912][ T1878]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   70.788043][ T1878]  copy_net_ns (net/core/net_namespace.c:579)
[   70.788176][ T1878]  create_new_namespaces (kernel/nsproxy.c:132)
[   70.788315][ T1878]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   70.788446][ T1878]  ksys_unshare (kernel/fork.c:3243)
[   70.788578][ T1878]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.788715][ T1878]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   70.788847][ T1878]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   70.788977][ T1878]  ? __ia32_sys_open (fs/open.c:1374)
[   70.789110][ T1878]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   70.789246][ T1878]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.789376][ T1878]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.789509][ T1878]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.789639][ T1878]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.789779][ T1878]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.789941][ T1878] RIP: 0033:0x7f2bf0fd5bcb
[   70.790076][ T1878] 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
[   70.790546][ T1878] RSP: 002b:00007ffce77b6ee8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   70.790749][ T1878] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2bf0fd5bcb
[   70.790943][ T1878] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   70.791136][ T1878] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   70.791337][ T1878] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce77b9110
[   70.791533][ T1878] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce77ba887
| [   70.828448][ T1879] ------------[ cut here ]------------
| [   70.828633][ T1879] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1879
| [   70.828953][ T1879] Modules linked in: xfrm_user nf_tables
| [   70.829446][ T1879] Tainted: [W]=WARN
[   70.829598][ T1879] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.829820][ T1879] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.830036][ T1879] 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
[   70.830557][ T1879] RSP: 0018:ffa00000027ff020 EFLAGS: 00010286
[   70.830779][ T1879] RAX: 00000000ffffffa6 RBX: ff1100000ba8fe00 RCX: 1ff40000004ffdca
[   70.831017][ T1879] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba8febc
[   70.831266][ T1879] RBP: ff11000005379000 R08: 1fe2200001751fd9 R09: ff11000009c5d158
[   70.831507][ T1879] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   70.831762][ T1879] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   70.832002][ T1879] FS:  00007f12e13c4840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   70.832283][ T1879] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.832492][ T1879] CR2: 000000000fd62988 CR3: 000000000a91f003 CR4: 0000000000771ef0
[   70.832754][ T1879] PKRU: 55555554
[   70.832898][ T1879] Call Trace:
[   70.833041][ T1879]  <TASK>
[   70.833155][ T1879]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.833347][ T1879]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.833494][ T1879]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   70.833688][ T1879]  __dev_notify_flags (net/core/dev.c:9787)
[   70.833868][ T1879]  ? netif_change_name (net/core/dev.c:1495)
[   70.834044][ T1879]  ? __dev_change_flags (net/core/dev.c:9752)
[   70.834228][ T1879]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   70.834404][ T1879]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.834590][ T1879]  ? 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))
[   70.834782][ T1879]  netif_change_flags (net/core/dev.c:9820)
[   70.834960][ T1879]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   70.835137][ T1879]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   70.835324][ T1879]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   70.835504][ T1879]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   70.835732][ T1879]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   70.835909][ T1879]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.836086][ T1879]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   70.836271][ T1879]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.836448][ T1879]  ? __kernel_text_address (kernel/extable.c:79)
[   70.836634][ T1879]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.836828][ T1879]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.837005][ T1879]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   70.837183][ T1879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.837369][ T1879]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   70.837550][ T1879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.837740][ T1879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.837917][ T1879]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   70.838094][ T1879]  ? __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)
[   70.838280][ T1879]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   70.838457][ T1879]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   70.838646][ T1879]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   70.838839][ T1879]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   70.839021][ T1879]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   70.839200][ T1879]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.839383][ T1879]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.839567][ T1879]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.839755][ T1879]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   70.839931][ T1879]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.840110][ T1879]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.840294][ T1879]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.840472][ T1879]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.840667][ T1879]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   70.840845][ T1879]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   70.841021][ T1879]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   70.841197][ T1879]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.841383][ T1879]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.841566][ T1879]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.841759][ T1879]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   70.841935][ T1879]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   70.842114][ T1879]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   70.842301][ T1879]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   70.842478][ T1879]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   70.842677][ T1879]  ? 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))
[   70.842853][ T1879]  ? 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))
[   70.843031][ T1879]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   70.843220][ T1879]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   70.843397][ T1879]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   70.843584][ T1879]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   70.843775][ T1879]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   70.843953][ T1879]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   70.844132][ T1879]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   70.844323][ T1879]  ? copy_msghdr_from_user (net/socket.c:2635)
[   70.844499][ T1879]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   70.844728][ T1879]  ? move_addr_to_kernel (net/socket.c:258)
[   70.844908][ T1879]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   70.845086][ T1879]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   70.845274][ T1879]  ___sys_sendmsg (net/socket.c:2752)
[   70.845451][ T1879]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   70.845681][ T1879]  ? copy_msghdr_from_user (net/socket.c:2603)
[   70.845870][ T1879]  __sys_sendmsg (net/socket.c:2784)
[   70.846048][ T1879]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   70.846229][ T1879]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   70.846442][ T1879]  ? 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)
[   70.846628][ T1879]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   70.846822][ T1879]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.846999][ T1879]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.847176][ T1879]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.847360][ T1879]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.847577][ T1879] RIP: 0033:0x7f12e15fe08e
[   70.847770][ T1879] 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
[   70.848283][ T1879] RSP: 002b:00007ffddac61990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   70.848529][ T1879] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f12e15fe08e
[   70.848785][ T1879] RDX: 0000000000000000 RSI: 00007ffddac61a40 RDI: 0000000000000005
[   70.849027][ T1879] RBP: 00007ffddac619a0 R08: 0000000000000000 R09: 0000000000000000
[   70.849275][ T1879] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d871
[   70.849516][ T1879] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffddac62110
| [   70.966235][ T1883] ------------[ cut here ]------------
| [   70.966419][ T1883] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1883
| [   70.966746][ T1883] Modules linked in: xfrm_user nf_tables
| [   70.967246][ T1883] Tainted: [W]=WARN
[   70.967392][ T1883] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.967611][ T1883] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.967841][ T1883] 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
[   70.968356][ T1883] RSP: 0018:ffa000000283fa80 EFLAGS: 00010286
[   70.968575][ T1883] RAX: 00000000ffffffa6 RBX: ff11000014d3bc40 RCX: 1ff4000000507f16
[   70.968827][ T1883] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d3bcfc
[   70.969065][ T1883] RBP: ff110000121e1000 R08: 1fe22000029a77a1 R09: ff1100000ebbae80
[   70.969315][ T1883] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   70.969563][ T1883] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000121e1000
[   70.969819][ T1883] FS:  00007f2c5057d840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   70.970095][ T1883] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.970313][ T1883] CR2: 00007f2c5077ec20 CR3: 00000000095b7003 CR4: 0000000000771ef0
[   70.970564][ T1883] PKRU: 55555554
[   70.970721][ T1883] Call Trace:
[   70.970864][ T1883]  <TASK>
[   70.970979][ T1883]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.971157][ T1883]  ? notifier_call_chain (kernel/notifier.c:85)
[   70.971345][ T1883]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.971493][ T1883]  register_netdevice (net/core/dev.c:11488)
[   70.971691][ T1883]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.971901][ T1883]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   70.972080][ T1883]  register_netdev (net/core/dev.c:11552)
[   70.972263][ T1883]  loopback_net_init (drivers/net/loopback.c:218)
[   70.972447][ T1883]  ops_init (net/core/net_namespace.c:137)
[   70.972605][ T1883]  setup_net (net/core/net_namespace.c:446)
[   70.972766][ T1883]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   70.972940][ T1883]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   70.973118][ T1883]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   70.973306][ T1883]  copy_net_ns (net/core/net_namespace.c:579)
[   70.973488][ T1883]  create_new_namespaces (kernel/nsproxy.c:132)
[   70.973689][ T1883]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   70.973868][ T1883]  ksys_unshare (kernel/fork.c:3243)
[   70.974046][ T1883]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.974230][ T1883]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   70.974408][ T1883]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   70.974594][ T1883]  ? __ia32_sys_open (fs/open.c:1374)
[   70.974785][ T1883]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   70.974962][ T1883]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.975138][ T1883]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.975321][ T1883]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.975496][ T1883]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.975693][ T1883]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.975903][ T1883] RIP: 0033:0x7f2c5083fbcb
[   70.976083][ T1883] 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
[   70.976607][ T1883] RSP: 002b:00007fffb793b538 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   70.976860][ T1883] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2c5083fbcb
[   70.977099][ T1883] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   70.977346][ T1883] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   70.977594][ T1883] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffb793d760
[   70.977845][ T1883] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffb793f888
| [   70.982433][ T1883] ------------[ cut here ]------------
| [   70.982609][ T1883] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1883
| [   70.982921][ T1883] Modules linked in: xfrm_user nf_tables
| [   70.983414][ T1883] Tainted: [W]=WARN
[   70.983569][ T1883] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   70.983790][ T1883] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   70.984004][ T1883] 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
[   70.984513][ T1883] RSP: 0018:ffa000000283f918 EFLAGS: 00010286
[   70.984736][ T1883] RAX: 00000000ffffffa6 RBX: ff1100001243f8c0 RCX: 1ff4000000507ee9
[   70.984971][ T1883] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243f97c
[   70.985207][ T1883] RBP: ff1100000df64000 R08: 1fe2200002487f31 R09: ff1100000ebbae80
[   70.985454][ T1883] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   70.985716][ T1883] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000df64000
[   70.985957][ T1883] FS:  00007f2c5057d840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   70.986235][ T1883] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   70.986442][ T1883] CR2: 00007f2c5077ec20 CR3: 00000000095b7003 CR4: 0000000000771ef0
[   70.986704][ T1883] PKRU: 55555554
[   70.986847][ T1883] Call Trace:
[   70.986989][ T1883]  <TASK>
[   70.987103][ T1883]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   70.987288][ T1883]  ? notifier_call_chain (kernel/notifier.c:85)
[   70.987464][ T1883]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   70.987618][ T1883]  register_netdevice (net/core/dev.c:11488)
[   70.987806][ T1883]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   70.988017][ T1883]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   70.988195][ T1883]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   70.988381][ T1883]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   70.988566][ T1883]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   70.988756][ T1883]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   70.988933][ T1883]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   70.989111][ T1883]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   70.989298][ T1883]  ops_init (net/core/net_namespace.c:137)
[   70.989448][ T1883]  setup_net (net/core/net_namespace.c:446)
[   70.989602][ T1883]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   70.989788][ T1883]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   70.989967][ T1883]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   70.990145][ T1883]  copy_net_ns (net/core/net_namespace.c:579)
[   70.990335][ T1883]  create_new_namespaces (kernel/nsproxy.c:132)
[   70.990519][ T1883]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   70.990713][ T1883]  ksys_unshare (kernel/fork.c:3243)
[   70.990891][ T1883]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   70.991067][ T1883]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   70.991251][ T1883]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   70.991429][ T1883]  ? __ia32_sys_open (fs/open.c:1374)
[   70.991616][ T1883]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   70.991802][ T1883]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   70.991980][ T1883]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   70.992156][ T1883]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   70.992343][ T1883]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   70.992523][ T1883]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   70.992745][ T1883] RIP: 0033:0x7f2c5083fbcb
[   70.992928][ T1883] 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
[   70.993437][ T1883] RSP: 002b:00007fffb793b538 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   70.993696][ T1883] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2c5083fbcb
[   70.993933][ T1883] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   70.994170][ T1883] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   70.994419][ T1883] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffb793d760
[   70.994678][ T1883] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffb793f888
| [   70.999792][ T1883] ------------[ cut here ]------------
| [   70.999966][ T1883] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1883
| [   71.000279][ T1883] Modules linked in: xfrm_user nf_tables
| [   71.000788][ T1883] Tainted: [W]=WARN
[   71.000937][ T1883] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.001147][ T1883] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.001371][ T1883] 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
[   71.001899][ T1883] RSP: 0018:ffa000000283f8f8 EFLAGS: 00010286
[   71.002110][ T1883] RAX: 00000000ffffffa6 RBX: ff1100001243f380 RCX: 1ff4000000507ee5
[   71.002358][ T1883] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243f43c
[   71.002608][ T1883] RBP: ff11000012409000 R08: 1fe2200002487e89 R09: ff1100000ebbae80
[   71.002862][ T1883] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   71.003105][ T1883] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012409000
[   71.003355][ T1883] FS:  00007f2c5057d840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   71.003639][ T1883] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.003864][ T1883] CR2: 00007f2c5077ec20 CR3: 00000000095b7003 CR4: 0000000000771ef0
[   71.004111][ T1883] PKRU: 55555554
[   71.004263][ T1883] Call Trace:
[   71.004408][ T1883]  <TASK>
[   71.004527][ T1883]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.004720][ T1883]  ? notifier_call_chain (kernel/notifier.c:85)
[   71.004897][ T1883]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.005043][ T1883]  register_netdevice (net/core/dev.c:11488)
[   71.005229][ T1883]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   71.005441][ T1883]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   71.005629][ T1883]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   71.005819][ T1883]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   71.005996][ T1883]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   71.006270][ T1883]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   71.006450][ T1883]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   71.006636][ T1883]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   71.006827][ T1883]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   71.007095][ T1883]  vti_init_net (net/ipv4/ip_vti.c:517)
[   71.007285][ T1883]  ops_init (net/core/net_namespace.c:137)
[   71.007434][ T1883]  setup_net (net/core/net_namespace.c:446)
[   71.007587][ T1883]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   71.007777][ T1883]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   71.008045][ T1883]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   71.008232][ T1883]  copy_net_ns (net/core/net_namespace.c:579)
[   71.008415][ T1883]  create_new_namespaces (kernel/nsproxy.c:132)
[   71.008602][ T1883]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   71.008795][ T1883]  ksys_unshare (kernel/fork.c:3243)
[   71.008973][ T1883]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.009150][ T1883]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   71.009336][ T1883]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   71.009608][ T1883]  ? __ia32_sys_open (fs/open.c:1374)
[   71.009806][ T1883]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   71.009983][ T1883]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   71.010159][ T1883]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   71.010434][ T1883]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   71.010618][ T1883]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   71.010808][ T1883]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.011017][ T1883] RIP: 0033:0x7f2c5083fbcb
[   71.011299][ T1883] 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
[   71.011918][ T1883] RSP: 002b:00007fffb793b538 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   71.012161][ T1883] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2c5083fbcb
[   71.012409][ T1883] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   71.012761][ T1883] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   71.013001][ T1883] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffb793d760
[   71.013250][ T1883] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffb793f888
| [   71.018147][ T1883] ------------[ cut here ]------------
| [   71.018328][ T1883] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1883
| [   71.019307][ T1883] Modules linked in: xfrm_user nf_tables
| [   71.019934][ T1883] Tainted: [W]=WARN
[   71.020140][ T1883] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.020408][ T1883] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.020701][ T1883] 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
[   71.021268][ T1883] RSP: 0018:ffa000000283fa78 EFLAGS: 00010286
[   71.021540][ T1883] RAX: 00000000ffffffa6 RBX: ff11000014d3ac80 RCX: 1ff4000000507f15
[   71.021846][ T1883] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d3ad3c
[   71.022139][ T1883] RBP: ff11000012621000 R08: 1fe22000029a75a9 R09: ff1100000ebbae80
[   71.022439][ T1883] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   71.022749][ T1883] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012621000
[   71.023044][ T1883] FS:  00007f2c5057d840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   71.023380][ T1883] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.023710][ T1883] CR2: 00007f2c5077ec20 CR3: 00000000095b7003 CR4: 0000000000771ef0
[   71.024005][ T1883] PKRU: 55555554
[   71.024201][ T1883] Call Trace:
[   71.024405][ T1883]  <TASK>
[   71.024576][ T1883]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.024820][ T1883]  ? notifier_call_chain (kernel/notifier.c:85)
[   71.025053][ T1883]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.025261][ T1883]  register_netdevice (net/core/dev.c:11488)
[   71.025493][ T1883]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   71.025774][ T1883]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.026007][ T1883]  register_netdev (net/core/dev.c:11552)
[   71.026244][ T1883]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   71.026475][ T1883]  ops_init (net/core/net_namespace.c:137)
[   71.026692][ T1883]  setup_net (net/core/net_namespace.c:446)
[   71.026894][ T1883]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   71.027122][ T1883]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   71.027359][ T1883]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   71.027594][ T1883]  copy_net_ns (net/core/net_namespace.c:579)
[   71.027837][ T1883]  create_new_namespaces (kernel/nsproxy.c:132)
[   71.028068][ T1883]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   71.028311][ T1883]  ksys_unshare (kernel/fork.c:3243)
[   71.028548][ T1883]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.028791][ T1883]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   71.029019][ T1883]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   71.029255][ T1883]  ? __ia32_sys_open (fs/open.c:1374)
[   71.029485][ T1883]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   71.029731][ T1883]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   71.029958][ T1883]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   71.030187][ T1883]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   71.030425][ T1883]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   71.030678][ T1883]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.030937][ T1883] RIP: 0033:0x7f2c5083fbcb
[   71.031171][ T1883] 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
[   71.031759][ T1883] RSP: 002b:00007fffb793b538 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   71.032052][ T1883] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2c5083fbcb
[   71.032351][ T1883] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   71.032708][ T1883] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   71.033002][ T1883] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffb793d760
[   71.033298][ T1883] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffb793f888
| [   71.044331][ T1883] ------------[ cut here ]------------
| [   71.044475][ T1883] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1883
| [   71.044738][ T1883] Modules linked in: xfrm_user nf_tables
| [   71.045134][ T1883] Tainted: [W]=WARN
[   71.045239][ T1883] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.045404][ T1883] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.045574][ T1883] 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
[   71.046038][ T1883] RSP: 0018:ffa000000283fa68 EFLAGS: 00010286
[   71.046201][ T1883] RAX: 00000000ffffffa6 RBX: ff1100000572a740 RCX: 1ff4000000507f13
[   71.046400][ T1883] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000572a7fc
[   71.046594][ T1883] RBP: ff110000125a4000 R08: 1fe2200000ae5501 R09: ff1100000ebbae80
[   71.046791][ T1883] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   71.046985][ T1883] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000125a4000
[   71.047181][ T1883] FS:  00007f2c5057d840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   71.047413][ T1883] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.047577][ T1883] CR2: 00007f2bf0de0574 CR3: 00000000095b7003 CR4: 0000000000771ef0
[   71.047776][ T1883] PKRU: 55555554
[   71.047873][ T1883] Call Trace:
[   71.047968][ T1883]  <TASK>
[   71.048036][ T1883]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.048166][ T1883]  ? notifier_call_chain (kernel/notifier.c:85)
[   71.048301][ T1883]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.048399][ T1883]  register_netdevice (net/core/dev.c:11488)
[   71.048534][ T1883]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   71.048702][ T1883]  register_netdev (net/core/dev.c:11552)
[   71.048830][ T1883]  sit_init_net (net/ipv6/sit.c:1860)
[   71.048960][ T1883]  ops_init (net/core/net_namespace.c:137)
[   71.049058][ T1883]  setup_net (net/core/net_namespace.c:446)
[   71.049155][ T1883]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   71.049287][ T1883]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   71.049415][ T1883]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   71.049547][ T1883]  copy_net_ns (net/core/net_namespace.c:579)
[   71.049682][ T1883]  create_new_namespaces (kernel/nsproxy.c:132)
[   71.049814][ T1883]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   71.049942][ T1883]  ksys_unshare (kernel/fork.c:3243)
[   71.050070][ T1883]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.050198][ T1883]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   71.050331][ T1883]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   71.050460][ T1883]  ? __ia32_sys_open (fs/open.c:1374)
[   71.050594][ T1883]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   71.050730][ T1883]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   71.050857][ T1883]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   71.050984][ T1883]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   71.051112][ T1883]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   71.051246][ T1883]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.051405][ T1883] RIP: 0033:0x7f2c5083fbcb
[   71.051542][ T1883] 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
[   71.052003][ T1883] RSP: 002b:00007fffb793b538 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   71.052196][ T1883] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2c5083fbcb
[   71.052392][ T1883] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   71.052587][ T1883] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   71.052782][ T1883] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffb793d760
[   71.052973][ T1883] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffb793f888
| [   71.057143][ T1883] ------------[ cut here ]------------
| [   71.057284][ T1883] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1883
| [   71.057541][ T1883] Modules linked in: xfrm_user nf_tables
| [   71.057940][ T1883] Tainted: [W]=WARN
[   71.058038][ T1883] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.058199][ T1883] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.058372][ T1883] 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
[   71.058840][ T1883] RSP: 0018:ffa000000283fa78 EFLAGS: 00010286
[   71.059002][ T1883] RAX: 00000000ffffffa6 RBX: ff1100001540b1c0 RCX: 1ff4000000507f15
[   71.059195][ T1883] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001540b27c
[   71.059393][ T1883] RBP: ff11000013ad9000 R08: 1fe2200002a81651 R09: ff1100000ebbae80
[   71.059591][ T1883] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   71.059789][ T1883] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013ad9000
[   71.059985][ T1883] FS:  00007f2c5057d840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   71.060217][ T1883] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.060380][ T1883] CR2: 00007f2bf0de0574 CR3: 00000000095b7003 CR4: 0000000000771ef0
[   71.060578][ T1883] PKRU: 55555554
[   71.060679][ T1883] Call Trace:
[   71.060775][ T1883]  <TASK>
[   71.060842][ T1883]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.060971][ T1883]  ? notifier_call_chain (kernel/notifier.c:85)
[   71.061101][ T1883]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.061201][ T1883]  register_netdevice (net/core/dev.c:11488)
[   71.061341][ T1883]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   71.061501][ T1883]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.061635][ T1883]  register_netdev (net/core/dev.c:11552)
[   71.061768][ T1883]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   71.061898][ T1883]  ops_init (net/core/net_namespace.c:137)
[   71.061997][ T1883]  setup_net (net/core/net_namespace.c:446)
[   71.062096][ T1883]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   71.062232][ T1883]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   71.062363][ T1883]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   71.062495][ T1883]  copy_net_ns (net/core/net_namespace.c:579)
[   71.062629][ T1883]  create_new_namespaces (kernel/nsproxy.c:132)
[   71.062765][ T1883]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   71.062896][ T1883]  ksys_unshare (kernel/fork.c:3243)
[   71.063024][ T1883]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.063155][ T1883]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   71.063289][ T1883]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   71.063420][ T1883]  ? __ia32_sys_open (fs/open.c:1374)
[   71.063551][ T1883]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   71.063684][ T1883]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   71.063814][ T1883]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   71.063941][ T1883]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   71.064071][ T1883]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   71.064201][ T1883]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.064367][ T1883] RIP: 0033:0x7f2c5083fbcb
[   71.064503][ T1883] 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
[   71.064968][ T1883] RSP: 002b:00007fffb793b538 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   71.065164][ T1883] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2c5083fbcb
[   71.065361][ T1883] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   71.065557][ T1883] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   71.065753][ T1883] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffb793d760
[   71.065947][ T1883] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fffb793f888
| [   71.096051][ T1884] ------------[ cut here ]------------
| [   71.096200][ T1884] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1884
| [   71.096470][ T1884] Modules linked in: xfrm_user nf_tables
| [   71.096877][ T1884] Tainted: [W]=WARN
[   71.096974][ T1884] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.097137][ T1884] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.097313][ T1884] 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
[   71.097778][ T1884] RSP: 0018:ffa000000284f020 EFLAGS: 00010286
[   71.097940][ T1884] RAX: 00000000ffffffa6 RBX: ff1100000d093a80 RCX: 1ff4000000509dca
[   71.098133][ T1884] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d093b3c
[   71.098329][ T1884] RBP: ff110000121e1000 R08: 1fe2200001a12769 R09: ff110000100dae58
[   71.098524][ T1884] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   71.098719][ T1884] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   71.098919][ T1884] FS:  00007f9860be9840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   71.099144][ T1884] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.099311][ T1884] CR2: 000000000b93e988 CR3: 00000000095bf004 CR4: 0000000000771ef0
[   71.099508][ T1884] PKRU: 55555554
[   71.099604][ T1884] Call Trace:
[   71.099708][ T1884]  <TASK>
[   71.099774][ T1884]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.099904][ T1884]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.100003][ T1884]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   71.100131][ T1884]  __dev_notify_flags (net/core/dev.c:9787)
[   71.100268][ T1884]  ? netif_change_name (net/core/dev.c:1495)
[   71.100397][ T1884]  ? __dev_change_flags (net/core/dev.c:9752)
[   71.100532][ T1884]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   71.101319][ T1884]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.101451][ T1884]  ? 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))
[   71.101585][ T1884]  netif_change_flags (net/core/dev.c:9820)
[   71.101792][ T1884]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   71.101923][ T1884]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   71.102055][ T1884]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   71.102186][ T1884]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   71.102352][ T1884]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   71.102479][ T1884]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.102610][ T1884]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   71.102804][ T1884]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   71.102933][ T1884]  ? __kernel_text_address (kernel/extable.c:79)
[   71.103063][ T1884]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.103194][ T1884]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.103328][ T1884]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   71.103457][ T1884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.103591][ T1884]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.103725][ T1884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.103853][ T1884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.103982][ T1884]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   71.104110][ T1884]  ? __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)
[   71.104245][ T1884]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   71.104373][ T1884]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   71.104508][ T1884]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   71.104638][ T1884]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   71.104775][ T1884]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   71.104906][ T1884]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.105035][ T1884]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.105163][ T1884]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.105300][ T1884]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   71.105427][ T1884]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.105562][ T1884]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.105694][ T1884]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.105823][ T1884]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.105950][ T1884]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.106080][ T1884]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.106215][ T1884]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   71.106344][ T1884]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.106471][ T1884]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.106601][ T1884]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.106737][ T1884]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.106865][ T1884]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.106994][ T1884]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   71.107121][ T1884]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.107256][ T1884]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   71.107387][ T1884]  ? 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))
[   71.107515][ T1884]  ? 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))
[   71.107645][ T1884]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   71.107779][ T1884]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   71.107908][ T1884]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.108036][ T1884]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   71.108167][ T1884]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   71.108302][ T1884]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   71.108432][ T1884]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   71.108563][ T1884]  ? copy_msghdr_from_user (net/socket.c:2635)
[   71.108697][ T1884]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   71.108856][ T1884]  ? move_addr_to_kernel (net/socket.c:258)
[   71.108986][ T1884]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   71.109116][ T1884]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.109252][ T1884]  ___sys_sendmsg (net/socket.c:2752)
[   71.109379][ T1884]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   71.109541][ T1884]  ? copy_msghdr_from_user (net/socket.c:2603)
[   71.109687][ T1884]  __sys_sendmsg (net/socket.c:2784)
[   71.109817][ T1884]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   71.109945][ T1884]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   71.110105][ T1884]  ? 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)
[   71.110241][ T1884]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.110373][ T1884]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   71.110501][ T1884]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   71.110631][ T1884]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   71.110763][ T1884]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.110921][ T1884] RIP: 0033:0x7f9860e2308e
[   71.111055][ T1884] 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
[   71.111517][ T1884] RSP: 002b:00007fffddcdf540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   71.111715][ T1884] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9860e2308e
[   71.111907][ T1884] RDX: 0000000000000000 RSI: 00007fffddcdf5f0 RDI: 0000000000000005
[   71.112100][ T1884] RBP: 00007fffddcdf550 R08: 0000000000000000 R09: 0000000000000000
[   71.112296][ T1884] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d871
[   71.112487][ T1884] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffddcdfcc0
| [   71.357150][ T1894] ------------[ cut here ]------------
| [   71.357317][ T1894] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1894
| [   71.357590][ T1894] Modules linked in: xfrm_user nf_tables
| [   71.358009][ T1894] Tainted: [W]=WARN
[   71.358110][ T1894] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.358283][ T1894] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.358458][ T1894] 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
[   71.358945][ T1894] RSP: 0018:ffa00000026dee30 EFLAGS: 00010286
[   71.359115][ T1894] RAX: 00000000ffffffa6 RBX: ff1100000d68ec80 RCX: 1ff40000004dbd8c
[   71.359327][ T1894] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68ed3c
[   71.359533][ T1894] RBP: ff1100000e4d4000 R08: 1fe2200001ad1da9 R09: ff1100001298ae80
[   71.359736][ T1894] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   71.359936][ T1894] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000094aea80
[   71.360137][ T1894] FS:  00007f6be2bd8840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   71.360379][ T1894] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.360549][ T1894] CR2: 00000000004eb188 CR3: 0000000010007002 CR4: 0000000000771ef0
[   71.360756][ T1894] PKRU: 55555554
[   71.360857][ T1894] Call Trace:
[   71.360956][ T1894]  <TASK>
[   71.361027][ T1894]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   71.361195][ T1894]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.361338][ T1894]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.361439][ T1894]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.361579][ T1894]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.361774][ T1894]  __dev_notify_flags (net/core/dev.c:9787)
[   71.361910][ T1894]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.362043][ T1894]  ? netif_change_name (net/core/dev.c:1495)
[   71.362180][ T1894]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   71.362323][ T1894]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   71.362495][ T1894]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   71.362724][ T1894]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   71.362861][ T1894]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.362995][ T1894]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   71.363131][ T1894]  veth_newlink (drivers/net/veth.c:1871)
[   71.363274][ T1894]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   71.363407][ T1894]  ? kasan_save_stack (mm/kasan/common.c:57)
[   71.363544][ T1894]  ? kasan_save_track (mm/kasan/common.c:78)
[   71.363735][ T1894]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   71.363941][ T1894]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   71.364075][ T1894]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   71.364218][ T1894]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   71.364351][ T1894]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   71.364486][ T1894]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   71.364625][ T1894]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   71.364818][ T1894]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   71.364952][ T1894]  ? __dev_get_by_name (net/core/dev.c:883)
[   71.365085][ T1894]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   71.365230][ T1894]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   71.365369][ T1894]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   71.365508][ T1894]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.365640][ T1894]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.365833][ T1894]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.365965][ T1894]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   71.366097][ T1894]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.366241][ T1894]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.366375][ T1894]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.366511][ T1894]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   71.366644][ T1894]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.366835][ T1894]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.366968][ T1894]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.367103][ T1894]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.367240][ T1894]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.367374][ T1894]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   71.367512][ T1894]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.367646][ T1894]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   71.367840][ T1894]  ? 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))
[   71.367973][ T1894]  ? 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))
[   71.368109][ T1894]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   71.368251][ T1894]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   71.368387][ T1894]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.368526][ T1894]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   71.368730][ T1894]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   71.368865][ T1894]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   71.369000][ T1894]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   71.369132][ T1894]  ? copy_msghdr_from_user (net/socket.c:2635)
[   71.369271][ T1894]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   71.369437][ T1894]  ? move_addr_to_kernel (net/socket.c:258)
[   71.369576][ T1894]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.369801][ T1894]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   71.369937][ T1894]  ___sys_sendmsg (net/socket.c:2752)
[   71.370072][ T1894]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   71.370208][ T1894]  ? copy_msghdr_from_user (net/socket.c:2603)
[   71.370350][ T1894]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   71.370487][ T1894]  ? 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))
[   71.370627][ T1894]  __sys_sendmsg (net/socket.c:2784)
[   71.370837][ T1894]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   71.370974][ T1894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.371108][ T1894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.371246][ T1894]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   71.371380][ T1894]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   71.371515][ T1894]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   71.371650][ T1894]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.371902][ T1894] RIP: 0033:0x7f6be2e1208e
[   71.372044][ T1894] 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
[   71.372531][ T1894] RSP: 002b:00007ffcf8cab120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   71.372790][ T1894] RAX: ffffffffffffffda RBX: 00007ffcf8cab8b8 RCX: 00007f6be2e1208e
[   71.372992][ T1894] RDX: 0000000000000000 RSI: 00007ffcf8cab1d0 RDI: 0000000000000005
[   71.373193][ T1894] RBP: 00007ffcf8cab130 R08: 0000000000000000 R09: 0000000000000000
[   71.373399][ T1894] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d871
[   71.373604][ T1894] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf8cab890
| [   71.388457][ T1894] ------------[ cut here ]------------
| [   71.388605][ T1894] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1894
| [   71.388873][ T1894] Modules linked in: xfrm_user nf_tables
| [   71.389280][ T1894] Tainted: [W]=WARN
[   71.389379][ T1894] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.389547][ T1894] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.389724][ T1894] 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
[   71.390194][ T1894] RSP: 0018:ffa00000026df1b0 EFLAGS: 00010286
[   71.390366][ T1894] RAX: 00000000ffffffa6 RBX: ff1100000e834200 RCX: 1ff40000004dbdfc
[   71.390566][ T1894] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e8342bc
[   71.390773][ T1894] RBP: ff1100000a299000 R08: 1fe2200001d06859 R09: ff1100001298ae80
[   71.390968][ T1894] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   71.391164][ T1894] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   71.391370][ T1894] FS:  00007f6be2bd8840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   71.391605][ T1894] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.391776][ T1894] CR2: 00000000004eb188 CR3: 0000000010007002 CR4: 0000000000771ef0
[   71.391975][ T1894] PKRU: 55555554
[   71.392074][ T1894] Call Trace:
[   71.392173][ T1894]  <TASK>
[   71.392247][ T1894]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.392381][ T1894]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.392482][ T1894]  __dev_notify_flags (net/core/dev.c:9787)
[   71.392619][ T1894]  ? netif_change_name (net/core/dev.c:1495)
[   71.392761][ T1894]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   71.392893][ T1894]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   71.393028][ T1894]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   71.393163][ T1894]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   71.393301][ T1894]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   71.393433][ T1894]  ? __dev_get_by_name (net/core/dev.c:883)
[   71.393569][ T1894]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   71.393714][ T1894]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   71.393850][ T1894]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   71.393985][ T1894]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.394116][ T1894]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.394253][ T1894]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.394384][ T1894]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   71.394517][ T1894]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.394660][ T1894]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.394794][ T1894]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.394926][ T1894]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   71.395059][ T1894]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.395191][ T1894]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.395327][ T1894]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.395461][ T1894]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.395598][ T1894]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.396403][ T1894]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   71.396546][ T1894]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.396686][ T1894]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   71.396823][ T1894]  ? 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))
[   71.396954][ T1894]  ? 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))
[   71.397088][ T1894]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   71.397224][ T1894]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   71.397359][ T1894]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.397492][ T1894]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   71.397628][ T1894]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   71.397766][ T1894]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   71.397902][ T1894]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   71.398034][ T1894]  ? copy_msghdr_from_user (net/socket.c:2635)
[   71.398165][ T1894]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   71.398336][ T1894]  ? move_addr_to_kernel (net/socket.c:258)
[   71.398469][ T1894]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.398607][ T1894]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   71.398747][ T1894]  ___sys_sendmsg (net/socket.c:2752)
[   71.398878][ T1894]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   71.399011][ T1894]  ? copy_msghdr_from_user (net/socket.c:2603)
[   71.399147][ T1894]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   71.399288][ T1894]  ? 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))
[   71.399424][ T1894]  __sys_sendmsg (net/socket.c:2784)
[   71.399563][ T1894]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   71.399703][ T1894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.399835][ T1894]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.399968][ T1894]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   71.400100][ T1894]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   71.400236][ T1894]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   71.400367][ T1894]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.400535][ T1894] RIP: 0033:0x7f6be2e1208e
[   71.400678][ T1894] 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
[   71.401143][ T1894] RSP: 002b:00007ffcf8cab120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   71.401346][ T1894] RAX: ffffffffffffffda RBX: 00007ffcf8cab8b8 RCX: 00007f6be2e1208e
[   71.401545][ T1894] RDX: 0000000000000000 RSI: 00007ffcf8cab1d0 RDI: 0000000000000005
[   71.401747][ T1894] RBP: 00007ffcf8cab130 R08: 0000000000000000 R09: 0000000000000000
[   71.401942][ T1894] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d871
[   71.402139][ T1894] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf8cab890
| [   71.501281][ T1898] ------------[ cut here ]------------
| [   71.501430][ T1898] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1898
| [   71.501698][ T1898] Modules linked in: xfrm_user nf_tables
| [   71.502090][ T1898] Tainted: [W]=WARN
[   71.502187][ T1898] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.502353][ T1898] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.502523][ T1898] 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
[   71.502986][ T1898] RSP: 0018:ffa000000287f020 EFLAGS: 00010286
[   71.503147][ T1898] RAX: 00000000ffffffa6 RBX: ff1100000e8358c0 RCX: 1ff400000050fdca
[   71.503345][ T1898] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e83597c
[   71.503542][ T1898] RBP: ff1100000a299000 R08: 1fe2200001d06b31 R09: ff110000100d8b58
[   71.503741][ T1898] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   71.503933][ T1898] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   71.504128][ T1898] FS:  00007fcee51dc840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   71.504357][ T1898] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.504521][ T1898] CR2: 000000003e057988 CR3: 00000000120e9006 CR4: 0000000000771ef0
[   71.504722][ T1898] PKRU: 55555554
[   71.504817][ T1898] Call Trace:
[   71.504913][ T1898]  <TASK>
[   71.504980][ T1898]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.505112][ T1898]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.505216][ T1898]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   71.505346][ T1898]  __dev_notify_flags (net/core/dev.c:9787)
[   71.505476][ T1898]  ? netif_change_name (net/core/dev.c:1495)
[   71.505608][ T1898]  ? __dev_change_flags (net/core/dev.c:9752)
[   71.505746][ T1898]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   71.505874][ T1898]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.506001][ T1898]  ? 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))
[   71.506132][ T1898]  netif_change_flags (net/core/dev.c:9820)
[   71.506267][ T1898]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   71.506395][ T1898]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   71.506532][ T1898]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   71.507200][ T1898]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   71.507368][ T1898]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   71.507497][ T1898]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.507629][ T1898]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   71.507761][ T1898]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   71.507891][ T1898]  ? __kernel_text_address (kernel/extable.c:79)
[   71.508023][ T1898]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.508153][ T1898]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.508284][ T1898]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   71.508413][ T1898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.508545][ T1898]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.508679][ T1898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.508806][ T1898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.508935][ T1898]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   71.509065][ T1898]  ? __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)
[   71.509194][ T1898]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   71.509327][ T1898]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   71.509457][ T1898]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   71.509594][ T1898]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   71.509731][ T1898]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   71.509862][ T1898]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.509992][ T1898]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.510121][ T1898]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.510256][ T1898]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   71.510385][ T1898]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.510518][ T1898]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.510646][ T1898]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.510780][ T1898]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.510910][ T1898]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.511042][ T1898]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.511172][ T1898]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   71.511308][ T1898]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.511436][ T1898]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.511569][ T1898]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.511705][ T1898]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.511835][ T1898]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.511964][ T1898]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   71.512095][ T1898]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.512229][ T1898]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   71.512362][ T1898]  ? 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))
[   71.512492][ T1898]  ? 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))
[   71.512627][ T1898]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   71.512763][ T1898]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   71.512892][ T1898]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.513023][ T1898]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   71.513154][ T1898]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   71.513291][ T1898]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   71.513423][ T1898]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   71.513558][ T1898]  ? copy_msghdr_from_user (net/socket.c:2635)
[   71.513697][ T1898]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   71.513857][ T1898]  ? move_addr_to_kernel (net/socket.c:258)
[   71.513989][ T1898]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   71.514118][ T1898]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.514254][ T1898]  ___sys_sendmsg (net/socket.c:2752)
[   71.514383][ T1898]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   71.514546][ T1898]  ? copy_msghdr_from_user (net/socket.c:2603)
[   71.514695][ T1898]  __sys_sendmsg (net/socket.c:2784)
[   71.514825][ T1898]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   71.514954][ T1898]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   71.515120][ T1898]  ? 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)
[   71.515255][ T1898]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.515386][ T1898]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   71.515516][ T1898]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   71.515645][ T1898]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   71.515780][ T1898]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.515941][ T1898] RIP: 0033:0x7fcee541608e
[   71.516079][ T1898] 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
[   71.516547][ T1898] RSP: 002b:00007fffd03d09a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   71.516748][ T1898] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcee541608e
[   71.516942][ T1898] RDX: 0000000000000000 RSI: 00007fffd03d0a50 RDI: 0000000000000005
[   71.517136][ T1898] RBP: 00007fffd03d09b0 R08: 0000000000000000 R09: 0000000000000000
[   71.517334][ T1898] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d871
[   71.517530][ T1898] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd03d1110
| [   71.638958][ T1902] ------------[ cut here ]------------
| [   71.639105][ T1902] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1902
| [   71.639369][ T1902] Modules linked in: xfrm_user nf_tables
| [   71.640047][ T1902] Tainted: [W]=WARN
[   71.640147][ T1902] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.640318][ T1902] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.640486][ T1902] 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
[   71.641010][ T1902] RSP: 0018:ffa00000028af020 EFLAGS: 00010286
[   71.641173][ T1902] RAX: 00000000ffffffa6 RBX: ff1100000fecd000 RCX: 1ff4000000515dca
[   71.641370][ T1902] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fecd0bc
[   71.641568][ T1902] RBP: ff1100000e4d4000 R08: 1fe2200001fd9a19 R09: ff110000127a0b58
[   71.641823][ T1902] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   71.642016][ T1902] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   71.642272][ T1902] FS:  00007f781a800840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   71.642499][ T1902] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.642721][ T1902] CR2: 00007f781aad01a0 CR3: 000000000e958001 CR4: 0000000000771ef0
[   71.642920][ T1902] PKRU: 55555554
[   71.643017][ T1902] Call Trace:
[   71.643115][ T1902]  <TASK>
[   71.643185][ T1902]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.643322][ T1902]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.643420][ T1902]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   71.643555][ T1902]  __dev_notify_flags (net/core/dev.c:9787)
[   71.643740][ T1902]  ? netif_change_name (net/core/dev.c:1495)
[   71.643870][ T1902]  ? __dev_change_flags (net/core/dev.c:9752)
[   71.643999][ T1902]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   71.644129][ T1902]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.644262][ T1902]  ? 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))
[   71.644394][ T1902]  netif_change_flags (net/core/dev.c:9820)
[   71.644531][ T1902]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   71.644718][ T1902]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   71.644851][ T1902]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   71.644981][ T1902]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   71.645144][ T1902]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   71.645278][ T1902]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.645409][ T1902]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   71.645542][ T1902]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   71.645726][ T1902]  ? __kernel_text_address (kernel/extable.c:79)
[   71.645856][ T1902]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.645989][ T1902]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.646120][ T1902]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   71.646255][ T1902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.646384][ T1902]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.646515][ T1902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.646644][ T1902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.646828][ T1902]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   71.646959][ T1902]  ? __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)
[   71.647089][ T1902]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   71.647224][ T1902]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   71.647356][ T1902]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   71.647489][ T1902]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   71.647625][ T1902]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   71.647812][ T1902]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.647941][ T1902]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.648071][ T1902]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.648202][ T1902]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   71.648339][ T1902]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.648471][ T1902]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.648604][ T1902]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.648790][ T1902]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.648919][ T1902]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.649051][ T1902]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.649180][ T1902]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   71.649321][ T1902]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.649451][ T1902]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.649581][ T1902]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.649768][ T1902]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.649898][ T1902]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.650028][ T1902]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   71.650157][ T1902]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.650291][ T1902]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   71.650425][ T1902]  ? 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))
[   71.650559][ T1902]  ? 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))
[   71.650747][ T1902]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   71.650878][ T1902]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   71.651008][ T1902]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.651139][ T1902]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   71.651276][ T1902]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   71.651409][ T1902]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   71.651544][ T1902]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   71.651729][ T1902]  ? copy_msghdr_from_user (net/socket.c:2635)
[   71.651857][ T1902]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   71.652017][ T1902]  ? move_addr_to_kernel (net/socket.c:258)
[   71.652147][ T1902]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   71.652283][ T1902]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.652416][ T1902]  ___sys_sendmsg (net/socket.c:2752)
[   71.652547][ T1902]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   71.652765][ T1902]  ? copy_msghdr_from_user (net/socket.c:2603)
[   71.652906][ T1902]  __sys_sendmsg (net/socket.c:2784)
[   71.653036][ T1902]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   71.653165][ T1902]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   71.653333][ T1902]  ? 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)
[   71.653465][ T1902]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.653600][ T1902]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   71.653789][ T1902]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   71.653919][ T1902]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   71.654049][ T1902]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.654208][ T1902] RIP: 0033:0x7f781aa3a08e
[   71.654349][ T1902] 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
[   71.654873][ T1902] RSP: 002b:00007ffdf96696f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   71.655068][ T1902] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f781aa3a08e
[   71.655266][ T1902] RDX: 0000000000000000 RSI: 00007ffdf96697a0 RDI: 0000000000000005
[   71.655461][ T1902] RBP: 00007ffdf9669700 R08: 0000000000000000 R09: 0000000000000000
[   71.655714][ T1902] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d871
[   71.655907][ T1902] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf9669e60
| [   71.658736][   T36] ------------[ cut here ]------------
| [   71.658867][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   71.659101][   T36] Modules linked in: xfrm_user nf_tables
| [   71.659513][   T36] Tainted: [W]=WARN
[   71.659604][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.659769][   T36] Workqueue: events_unbound linkwatch_event
[   71.659924][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.660078][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   71.660516][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   71.660686][   T36] RAX: 00000000ffffffa6 RBX: ff1100001544f000 RCX: 1ff4000000051f02
[   71.660864][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001544f0bc
[   71.661042][   T36] RBP: ff1100000a299000 R08: 1fe2200002a89e19 R09: ff11000001d751a8
[   71.661224][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   71.661400][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   71.661580][   T36] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   71.661796][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.661944][   T36] CR2: 00007ffd4dea7bbc CR3: 000000004994d005 CR4: 0000000000771ef0
[   71.662121][   T36] PKRU: 55555554
[   71.662214][   T36] Call Trace:
[   71.662302][   T36]  <TASK>
[   71.662365][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.662484][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   71.662611][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.662713][   T36]  netif_state_change (net/core/dev.c:1605)
[   71.662832][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   71.662981][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   71.663099][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   71.663221][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   71.663347][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   71.663465][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   71.663589][   T36]  process_one_work (kernel/workqueue.c:3314)
[   71.663718][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   71.663837][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.663960][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   71.664082][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   71.664205][   T36]  kthread (kernel/kthread.c:436)
[   71.664301][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   71.664453][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.664573][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   71.664696][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   71.664844][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   71.664964][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   71.665082][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   71.841301][ T1910] ------------[ cut here ]------------
| [   71.841495][ T1910] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1910
| [   71.841829][ T1910] Modules linked in: xfrm_user nf_tables
| [   71.842346][ T1910] Tainted: [W]=WARN
[   71.842507][ T1910] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.842812][ T1910] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.843120][ T1910] 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
[   71.843779][ T1910] RSP: 0018:ffa00000028cee30 EFLAGS: 00010286
[   71.844060][ T1910] RAX: 00000000ffffffa6 RBX: ff110000101b7700 RCX: 1ff4000000519d8c
[   71.844396][ T1910] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b77bc
[   71.844723][ T1910] RBP: ff1100000f8e9000 R08: 1fe2200002036ef9 R09: ff1100000f8c0b80
[   71.844985][ T1910] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   71.845240][ T1910] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a9e0400
[   71.845491][ T1910] FS:  00007f1465707840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   71.845793][ T1910] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.846011][ T1910] CR2: 00000000004eb188 CR3: 0000000004e7d006 CR4: 0000000000771ef0
[   71.846270][ T1910] PKRU: 55555554
[   71.846420][ T1910] Call Trace:
[   71.846580][ T1910]  <TASK>
[   71.846708][ T1910]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.846893][ T1910]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.847077][ T1910]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.847237][ T1910]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   71.847421][ T1910]  __dev_notify_flags (net/core/dev.c:9787)
[   71.847616][ T1910]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   71.847808][ T1910]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   71.847991][ T1910]  ? netif_change_name (net/core/dev.c:1495)
[   71.848174][ T1910]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   71.848363][ T1910]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   71.848553][ T1910]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   71.848750][ T1910]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.848934][ T1910]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.849117][ T1910]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   71.849312][ T1910]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   71.849494][ T1910]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   71.849696][ T1910]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   71.849883][ T1910]  veth_newlink (drivers/net/veth.c:1871)
[   71.850068][ T1910]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   71.850256][ T1910]  ? kasan_save_stack (mm/kasan/common.c:57)
[   71.850441][ T1910]  ? kasan_save_track (mm/kasan/common.c:78)
[   71.850629][ T1910]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   71.850842][ T1910]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   71.851024][ T1910]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   71.851208][ T1910]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   71.851401][ T1910]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   71.851593][ T1910]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   71.851791][ T1910]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   71.851978][ T1910]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   71.852160][ T1910]  ? __dev_get_by_name (net/core/dev.c:883)
[   71.852351][ T1910]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   71.852543][ T1910]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   71.852741][ T1910]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   71.852925][ T1910]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.853105][ T1910]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.853297][ T1910]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.853478][ T1910]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   71.853675][ T1910]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.853864][ T1910]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.854047][ T1910]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.854239][ T1910]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   71.854422][ T1910]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.854612][ T1910]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.854806][ T1910]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.854989][ T1910]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.855170][ T1910]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.855364][ T1910]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   71.855552][ T1910]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.855751][ T1910]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   71.855937][ T1910]  ? 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))
[   71.856119][ T1910]  ? 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))
[   71.856312][ T1910]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   71.856496][ T1910]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   71.856702][ T1910]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.856886][ T1910]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   71.857069][ T1910]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   71.857259][ T1910]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   71.857443][ T1910]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   71.857634][ T1910]  ? copy_msghdr_from_user (net/socket.c:2635)
[   71.857831][ T1910]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   71.858048][ T1910]  ? move_addr_to_kernel (net/socket.c:258)
[   71.858238][ T1910]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.858421][ T1910]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   71.858613][ T1910]  ___sys_sendmsg (net/socket.c:2752)
[   71.858804][ T1910]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   71.858988][ T1910]  ? copy_msghdr_from_user (net/socket.c:2603)
[   71.859173][ T1910]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   71.859371][ T1910]  ? 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))
[   71.859562][ T1910]  __sys_sendmsg (net/socket.c:2784)
[   71.859758][ T1910]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   71.859943][ T1910]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.860125][ T1910]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.860317][ T1910]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   71.860498][ T1910]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   71.860699][ T1910]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   71.860886][ T1910]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.861099][ T1910] RIP: 0033:0x7f146594108e
[   71.861295][ T1910] 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
[   71.861833][ T1910] RSP: 002b:00007fffa1881920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   71.862085][ T1910] RAX: ffffffffffffffda RBX: 00007fffa18820b8 RCX: 00007f146594108e
[   71.862340][ T1910] RDX: 0000000000000000 RSI: 00007fffa18819d0 RDI: 0000000000000005
[   71.862595][ T1910] RBP: 00007fffa1881930 R08: 0000000000000000 R09: 0000000000000000
[   71.862854][ T1910] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d872
[   71.863103][ T1910] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa1882090
| [   71.874048][ T1910] ------------[ cut here ]------------
| [   71.874198][ T1910] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1910
| [   71.874469][ T1910] Modules linked in: xfrm_user nf_tables
| [   71.874884][ T1910] Tainted: [W]=WARN
[   71.874985][ T1910] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.875153][ T1910] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.875330][ T1910] 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
[   71.875809][ T1910] RSP: 0018:ffa00000028cf1b0 EFLAGS: 00010286
[   71.875975][ T1910] RAX: 00000000ffffffa6 RBX: ff110000109cc740 RCX: 1ff4000000519dfc
[   71.876174][ T1910] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109cc7fc
[   71.876377][ T1910] RBP: ff11000004f2c000 R08: 1fe2200002139901 R09: ff1100000f8c0b80
[   71.876578][ T1910] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   71.876782][ T1910] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   71.876981][ T1910] FS:  00007f1465707840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   71.877218][ T1910] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.877384][ T1910] CR2: 000055d401a04bd8 CR3: 0000000004e7d002 CR4: 0000000000771ef0
[   71.877585][ T1910] PKRU: 55555554
[   71.877691][ T1910] Call Trace:
[   71.877789][ T1910]  <TASK>
[   71.877859][ T1910]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.877992][ T1910]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.878093][ T1910]  __dev_notify_flags (net/core/dev.c:9787)
[   71.878232][ T1910]  ? netif_change_name (net/core/dev.c:1495)
[   71.878366][ T1910]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   71.878498][ T1910]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   71.878636][ T1910]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   71.878779][ T1910]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   71.878913][ T1910]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   71.879046][ T1910]  ? __dev_get_by_name (net/core/dev.c:883)
[   71.879177][ T1910]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   71.879321][ T1910]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   71.879457][ T1910]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   71.879596][ T1910]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.879733][ T1910]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.879867][ T1910]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.879999][ T1910]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   71.880130][ T1910]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.880274][ T1910]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.880408][ T1910]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.880545][ T1910]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   71.880684][ T1910]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.880818][ T1910]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.880951][ T1910]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.881085][ T1910]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.881223][ T1910]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.881359][ T1910]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   71.881494][ T1910]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.881633][ T1910]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   71.881775][ T1910]  ? 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))
[   71.881909][ T1910]  ? 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))
[   71.882043][ T1910]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   71.882177][ T1910]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   71.882316][ T1910]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.882453][ T1910]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   71.882593][ T1910]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   71.882734][ T1910]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   71.882872][ T1910]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   71.883006][ T1910]  ? copy_msghdr_from_user (net/socket.c:2635)
[   71.883138][ T1910]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   71.883307][ T1910]  ? move_addr_to_kernel (net/socket.c:258)
[   71.883441][ T1910]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.883578][ T1910]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   71.883716][ T1910]  ___sys_sendmsg (net/socket.c:2752)
[   71.883851][ T1910]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   71.883988][ T1910]  ? copy_msghdr_from_user (net/socket.c:2603)
[   71.884126][ T1910]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   71.884269][ T1910]  ? 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))
[   71.884405][ T1910]  __sys_sendmsg (net/socket.c:2784)
[   71.884544][ T1910]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   71.884685][ T1910]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.884818][ T1910]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.884954][ T1910]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   71.885087][ T1910]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   71.885225][ T1910]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   71.885360][ T1910]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   71.885529][ T1910] RIP: 0033:0x7f146594108e
[   71.885671][ T1910] 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
[   71.886144][ T1910] RSP: 002b:00007fffa1881920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   71.886350][ T1910] RAX: ffffffffffffffda RBX: 00007fffa18820b8 RCX: 00007f146594108e
[   71.886549][ T1910] RDX: 0000000000000000 RSI: 00007fffa18819d0 RDI: 0000000000000005
[   71.886753][ T1910] RBP: 00007fffa1881930 R08: 0000000000000000 R09: 0000000000000000
[   71.886952][ T1910] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d872
[   71.887149][ T1910] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa1882090
| [   71.987818][ T1914] ------------[ cut here ]------------
| [   71.987969][ T1914] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1914
| [   71.988235][ T1914] Modules linked in: xfrm_user nf_tables
| [   71.988643][ T1914] Tainted: [W]=WARN
[   71.988748][ T1914] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   71.988915][ T1914] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   71.989084][ T1914] 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
[   71.989556][ T1914] RSP: 0018:ffa00000026df020 EFLAGS: 00010286
[   71.989725][ T1914] RAX: 00000000ffffffa6 RBX: ff1100000fc65e00 RCX: 1ff40000004dbdca
[   71.989919][ T1914] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc65ebc
[   71.990112][ T1914] RBP: ff11000004f2c000 R08: 1fe2200001f8cbd9 R09: ff11000013a52e58
[   71.990314][ T1914] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   71.990509][ T1914] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   71.990709][ T1914] FS:  00007f11c56f0840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   71.990935][ T1914] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.991100][ T1914] CR2: 00007f11c59c01a0 CR3: 0000000012b48006 CR4: 0000000000771ef0
[   71.991302][ T1914] PKRU: 55555554
[   71.991399][ T1914] Call Trace:
[   71.991497][ T1914]  <TASK>
[   71.991567][ T1914]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   71.991702][ T1914]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   71.991802][ T1914]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   71.991932][ T1914]  __dev_notify_flags (net/core/dev.c:9787)
[   71.992065][ T1914]  ? netif_change_name (net/core/dev.c:1495)
[   71.992193][ T1914]  ? __dev_change_flags (net/core/dev.c:9752)
[   71.992330][ T1914]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   71.992459][ T1914]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.992594][ T1914]  ? 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))
[   71.992731][ T1914]  netif_change_flags (net/core/dev.c:9820)
[   71.992864][ T1914]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   71.992994][ T1914]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   71.993126][ T1914]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   71.993261][ T1914]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   71.993423][ T1914]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   71.993558][ T1914]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.993694][ T1914]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   71.993825][ T1914]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   71.993955][ T1914]  ? __kernel_text_address (kernel/extable.c:79)
[   71.994085][ T1914]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.994223][ T1914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.994353][ T1914]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   71.994484][ T1914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.994619][ T1914]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   71.994756][ T1914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.994885][ T1914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   71.995015][ T1914]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   71.995146][ T1914]  ? __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)
[   71.995282][ T1914]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   71.995414][ T1914]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   71.995548][ T1914]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   71.995687][ T1914]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   71.995821][ T1914]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   71.995953][ T1914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.996082][ T1914]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.996216][ T1914]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.996348][ T1914]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   71.996477][ T1914]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.996612][ T1914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.996749][ T1914]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.996878][ T1914]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.997009][ T1914]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   71.997142][ T1914]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   71.997277][ T1914]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   71.997406][ T1914]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   71.997542][ T1914]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.997678][ T1914]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.997812][ T1914]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   71.997941][ T1914]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   71.998074][ T1914]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   71.998205][ T1914]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   71.998341][ T1914]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   71.998475][ T1914]  ? 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))
[   71.998606][ T1914]  ? 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))
[   71.998744][ T1914]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   71.998878][ T1914]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   71.999008][ T1914]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   71.999139][ T1914]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   71.999277][ T1914]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   71.999409][ T1914]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   71.999544][ T1914]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   71.999678][ T1914]  ? copy_msghdr_from_user (net/socket.c:2635)
[   71.999810][ T1914]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   71.999971][ T1914]  ? move_addr_to_kernel (net/socket.c:258)
[   72.000102][ T1914]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   72.000238][ T1914]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.000370][ T1914]  ___sys_sendmsg (net/socket.c:2752)
[   72.000500][ T1914]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   72.000671][ T1914]  ? copy_msghdr_from_user (net/socket.c:2603)
[   72.000814][ T1914]  __sys_sendmsg (net/socket.c:2784)
[   72.000944][ T1914]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   72.001073][ T1914]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   72.001243][ T1914]  ? 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)
[   72.001373][ T1914]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.001509][ T1914]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.001638][ T1914]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.001773][ T1914]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.001905][ T1914]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.002066][ T1914] RIP: 0033:0x7f11c592a08e
[   72.002202][ T1914] 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
[   72.002686][ T1914] RSP: 002b:00007fff16f7e110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.002882][ T1914] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f11c592a08e
[   72.003077][ T1914] RDX: 0000000000000000 RSI: 00007fff16f7e1c0 RDI: 0000000000000005
[   72.003278][ T1914] RBP: 00007fff16f7e120 R08: 0000000000000000 R09: 0000000000000000
[   72.003471][ T1914] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d872
[   72.003676][ T1914] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff16f7e880
| [   72.121421][ T1918] ------------[ cut here ]------------
| [   72.121579][ T1918] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1918
| [   72.121858][ T1918] Modules linked in: xfrm_user nf_tables
| [   72.122275][ T1918] Tainted: [W]=WARN
[   72.122376][ T1918] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.122550][ T1918] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.122731][ T1918] 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
[   72.123217][ T1918] RSP: 0018:ffa00000028ff020 EFLAGS: 00010286
[   72.123388][ T1918] RAX: 00000000ffffffa6 RBX: ff1100000fdd8200 RCX: 1ff400000051fdca
[   72.123593][ T1918] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fdd82bc
[   72.123796][ T1918] RBP: ff1100000f8e9000 R08: 1fe2200001fbb059 R09: ff1100000e595158
[   72.123995][ T1918] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   72.124231][ T1918] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   72.124432][ T1918] FS:  00007fb3923c4840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   72.124673][ T1918] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.124840][ T1918] CR2: 000000001fb06988 CR3: 00000000108be005 CR4: 0000000000771ef0
[   72.125039][ T1918] PKRU: 55555554
[   72.125139][ T1918] Call Trace:
[   72.125244][ T1918]  <TASK>
[   72.125313][ T1918]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.125449][ T1918]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.125553][ T1918]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   72.125691][ T1918]  __dev_notify_flags (net/core/dev.c:9787)
[   72.125828][ T1918]  ? netif_change_name (net/core/dev.c:1495)
[   72.125961][ T1918]  ? __dev_change_flags (net/core/dev.c:9752)
[   72.126095][ T1918]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   72.126231][ T1918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.126365][ T1918]  ? 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))
[   72.126502][ T1918]  netif_change_flags (net/core/dev.c:9820)
[   72.126639][ T1918]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   72.126779][ T1918]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   72.126915][ T1918]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   72.127048][ T1918]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   72.127220][ T1918]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.127353][ T1918]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.127486][ T1918]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   72.127625][ T1918]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   72.127844][ T1918]  ? __kernel_text_address (kernel/extable.c:79)
[   72.127979][ T1918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.128114][ T1918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.128251][ T1918]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   72.128384][ T1918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.128519][ T1918]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   72.128719][ T1918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.128854][ T1918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.129040][ T1918]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   72.129176][ T1918]  ? __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)
[   72.129315][ T1918]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   72.129448][ T1918]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   72.129585][ T1918]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   72.129778][ T1918]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   72.129916][ T1918]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   72.130052][ T1918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.130185][ T1918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.130325][ T1918]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.130460][ T1918]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   72.130598][ T1918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.130788][ T1918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.130920][ T1918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.131055][ T1918]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.131188][ T1918]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.131345][ T1918]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.131480][ T1918]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   72.131614][ T1918]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.131833][ T1918]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.131966][ T1918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.132102][ T1918]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.132244][ T1918]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.132380][ T1918]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   72.132516][ T1918]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.132727][ T1918]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.132865][ T1918]  ? 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))
[   72.132998][ T1918]  ? 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))
[   72.133134][ T1918]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.133276][ T1918]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.133412][ T1918]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.133550][ T1918]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   72.133765][ T1918]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   72.133901][ T1918]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   72.134037][ T1918]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   72.134172][ T1918]  ? copy_msghdr_from_user (net/socket.c:2635)
[   72.134312][ T1918]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   72.134480][ T1918]  ? move_addr_to_kernel (net/socket.c:258)
[   72.134617][ T1918]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   72.134798][ T1918]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.134935][ T1918]  ___sys_sendmsg (net/socket.c:2752)
[   72.135069][ T1918]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   72.135242][ T1918]  ? copy_msghdr_from_user (net/socket.c:2603)
[   72.135388][ T1918]  __sys_sendmsg (net/socket.c:2784)
[   72.135528][ T1918]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   72.135666][ T1918]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   72.135835][ T1918]  ? 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)
[   72.135970][ T1918]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.136105][ T1918]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.136245][ T1918]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.136378][ T1918]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.136515][ T1918]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.136688][ T1918] RIP: 0033:0x7fb3925fe08e
[   72.136830][ T1918] 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
[   72.137316][ T1918] RSP: 002b:00007ffcf95bc7a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.137524][ T1918] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb3925fe08e
[   72.137730][ T1918] RDX: 0000000000000000 RSI: 00007ffcf95bc850 RDI: 0000000000000005
[   72.137929][ T1918] RBP: 00007ffcf95bc7b0 R08: 0000000000000000 R09: 0000000000000000
[   72.138130][ T1918] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d872
[   72.138337][ T1918] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf95bcf10
| [   72.140714][   T64] ------------[ cut here ]------------
| [   72.140845][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/64
| [   72.141082][   T64] Modules linked in: xfrm_user nf_tables
| [   72.141481][   T64] Tainted: [W]=WARN
[   72.141574][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.141732][   T64] Workqueue: events_unbound linkwatch_event
[   72.141887][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.142042][   T64] 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
[   72.142469][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   72.142626][   T64] RAX: 00000000ffffffa6 RBX: ff1100000fdd9540 RCX: 1ff400000008af02
[   72.142810][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fdd95fc
[   72.142990][   T64] RBP: ff1100000f8e9000 R08: 1fe2200001fbb2c1 R09: ff11000006100ba8
[   72.143168][   T64] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   72.143352][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   72.143534][   T64] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   72.143750][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.143901][   T64] CR2: 000055d3d5b6bd5c CR3: 000000000dee7004 CR4: 0000000000771ef0
[   72.144088][   T64] PKRU: 55555554
[   72.144178][   T64] Call Trace:
[   72.144278][   T64]  <TASK>
[   72.144340][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.144460][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   72.144588][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.144687][   T64]  netif_state_change (net/core/dev.c:1605)
[   72.144808][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   72.144961][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   72.145082][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   72.145201][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.145327][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   72.145446][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   72.145569][   T64]  process_one_work (kernel/workqueue.c:3314)
[   72.145698][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   72.145816][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.145941][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   72.146062][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   72.146182][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   72.146308][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   72.146432][   T64]  kthread (kernel/kthread.c:436)
[   72.146526][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   72.146679][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   72.146799][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   72.146920][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   72.147070][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   72.147190][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   72.147312][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   72.148986][   T64] ------------[ cut here ]------------
| [   72.149109][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/64
| [   72.149352][   T64] Modules linked in: xfrm_user nf_tables
| [   72.149796][   T64] Tainted: [W]=WARN
[   72.149887][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.150040][   T64] Workqueue: events_unbound linkwatch_event
[   72.150191][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.150350][   T64] 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
[   72.150795][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   72.150945][   T64] RAX: 00000000ffffffa6 RBX: ff1100000fdd8ac0 RCX: 1ff400000008af02
[   72.151123][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fdd8b7c
[   72.151306][   T64] RBP: ff11000004f2c000 R08: 1fe2200001fbb171 R09: ff11000006100ba8
[   72.151484][   T64] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   72.151666][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   72.151844][   T64] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   72.152052][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.152208][   T64] CR2: 000055d3d5b6bd5c CR3: 000000000dee7004 CR4: 0000000000771ef0
[   72.152394][   T64] PKRU: 55555554
[   72.152484][   T64] Call Trace:
[   72.152572][   T64]  <TASK>
[   72.152635][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.152761][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   72.152881][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.152979][   T64]  netif_state_change (net/core/dev.c:1605)
[   72.153098][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   72.153253][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   72.153371][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   72.153494][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.153619][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   72.153745][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   72.153866][   T64]  process_one_work (kernel/workqueue.c:3314)
[   72.153990][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   72.154109][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.154238][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   72.154360][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   72.154483][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   72.154605][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   72.154729][   T64]  kthread (kernel/kthread.c:436)
[   72.154819][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   72.154968][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   72.155088][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   72.155208][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   72.155361][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   72.155480][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   72.155600][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   72.324375][ T1926] ------------[ cut here ]------------
| [   72.324540][ T1926] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1926
| [   72.325407][ T1926] Modules linked in: xfrm_user nf_tables
| [   72.325927][ T1926] Tainted: [W]=WARN
[   72.326030][ T1926] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.326198][ T1926] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.326379][ T1926] 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
[   72.326923][ T1926] RSP: 0018:ffa00000028aee30 EFLAGS: 00010286
[   72.327096][ T1926] RAX: 00000000ffffffa6 RBX: ff110000109cde00 RCX: 1ff4000000515d8c
[   72.327304][ T1926] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109cdebc
[   72.327508][ T1926] RBP: ff11000010911000 R08: 1fe2200002139bd9 R09: ff11000012080b80
[   72.327717][ T1926] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   72.327920][ T1926] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000124bd580
[   72.328128][ T1926] FS:  00007fc28551f840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   72.328373][ T1926] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.328548][ T1926] CR2: 00000000004eb188 CR3: 00000000101f8002 CR4: 0000000000771ef0
[   72.328759][ T1926] PKRU: 55555554
[   72.328861][ T1926] Call Trace:
[   72.328962][ T1926]  <TASK>
[   72.329033][ T1926]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.329168][ T1926]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.329310][ T1926]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.329413][ T1926]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   72.329551][ T1926]  __dev_notify_flags (net/core/dev.c:9787)
[   72.329692][ T1926]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   72.329827][ T1926]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   72.329962][ T1926]  ? netif_change_name (net/core/dev.c:1495)
[   72.330097][ T1926]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   72.330237][ T1926]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   72.330374][ T1926]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   72.330514][ T1926]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.330648][ T1926]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.330789][ T1926]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   72.330924][ T1926]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   72.331061][ T1926]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   72.331195][ T1926]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   72.331338][ T1926]  veth_newlink (drivers/net/veth.c:1871)
[   72.331475][ T1926]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   72.331612][ T1926]  ? kasan_save_stack (mm/kasan/common.c:57)
[   72.331754][ T1926]  ? kasan_save_track (mm/kasan/common.c:78)
[   72.331888][ T1926]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   72.332039][ T1926]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   72.332173][ T1926]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   72.332314][ T1926]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   72.332448][ T1926]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   72.332588][ T1926]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   72.332731][ T1926]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   72.332867][ T1926]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   72.333005][ T1926]  ? __dev_get_by_name (net/core/dev.c:883)
[   72.333140][ T1926]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   72.333288][ T1926]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   72.333429][ T1926]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   72.333570][ T1926]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.333709][ T1926]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.333845][ T1926]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.333978][ T1926]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   72.334112][ T1926]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.334259][ T1926]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.334395][ T1926]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.334534][ T1926]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   72.334674][ T1926]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.334808][ T1926]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.334942][ T1926]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.335078][ T1926]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.335217][ T1926]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.335354][ T1926]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   72.335488][ T1926]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.335627][ T1926]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.335771][ T1926]  ? 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))
[   72.335907][ T1926]  ? 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))
[   72.336044][ T1926]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.336180][ T1926]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.336322][ T1926]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.336458][ T1926]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   72.336599][ T1926]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   72.336739][ T1926]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   72.336876][ T1926]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   72.337012][ T1926]  ? copy_msghdr_from_user (net/socket.c:2635)
[   72.337147][ T1926]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   72.337322][ T1926]  ? move_addr_to_kernel (net/socket.c:258)
[   72.337458][ T1926]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.337598][ T1926]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   72.337740][ T1926]  ___sys_sendmsg (net/socket.c:2752)
[   72.337875][ T1926]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   72.338012][ T1926]  ? copy_msghdr_from_user (net/socket.c:2603)
[   72.338151][ T1926]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   72.338295][ T1926]  ? 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))
[   72.338432][ T1926]  __sys_sendmsg (net/socket.c:2784)
[   72.338570][ T1926]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   72.338715][ T1926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.338851][ T1926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.338986][ T1926]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.339121][ T1926]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.339260][ T1926]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.339397][ T1926]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.339568][ T1926] RIP: 0033:0x7fc28575908e
[   72.339717][ T1926] 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
[   72.340199][ T1926] RSP: 002b:00007ffcfe55f250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.340408][ T1926] RAX: ffffffffffffffda RBX: 00007ffcfe55f9e8 RCX: 00007fc28575908e
[   72.340612][ T1926] RDX: 0000000000000000 RSI: 00007ffcfe55f300 RDI: 0000000000000005
[   72.340819][ T1926] RBP: 00007ffcfe55f260 R08: 0000000000000000 R09: 0000000000000000
[   72.341020][ T1926] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d872
[   72.341224][ T1926] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfe55f9c0
| [   72.362377][ T1926] ------------[ cut here ]------------
| [   72.362528][ T1926] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1926
| [   72.362802][ T1926] Modules linked in: xfrm_user nf_tables
| [   72.363208][ T1926] Tainted: [W]=WARN
[   72.363315][ T1926] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.363482][ T1926] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.363662][ T1926] 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
[   72.364144][ T1926] RSP: 0018:ffa00000028af1b0 EFLAGS: 00010286
[   72.364319][ T1926] RAX: 00000000ffffffa6 RBX: ff1100000dda91c0 RCX: 1ff4000000515dfc
[   72.364521][ T1926] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda927c
[   72.364725][ T1926] RBP: ff1100000f819000 R08: 1fe2200001bb5251 R09: ff11000012080b80
[   72.364922][ T1926] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   72.365119][ T1926] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   72.365324][ T1926] FS:  00007fc28551f840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   72.365560][ T1926] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.365731][ T1926] CR2: 00000000004eb188 CR3: 00000000101f8002 CR4: 0000000000771ef0
[   72.365930][ T1926] PKRU: 55555554
[   72.366030][ T1926] Call Trace:
[   72.366130][ T1926]  <TASK>
[   72.366199][ T1926]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.366342][ T1926]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.366444][ T1926]  __dev_notify_flags (net/core/dev.c:9787)
[   72.366581][ T1926]  ? netif_change_name (net/core/dev.c:1495)
[   72.366779][ T1926]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   72.366914][ T1926]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   72.367050][ T1926]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   72.367184][ T1926]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   72.367324][ T1926]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   72.367457][ T1926]  ? __dev_get_by_name (net/core/dev.c:883)
[   72.367595][ T1926]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   72.367792][ T1926]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   72.367931][ T1926]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   72.368066][ T1926]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.368200][ T1926]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.368339][ T1926]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.368473][ T1926]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   72.368610][ T1926]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.368752][ T1926]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.368890][ T1926]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.369024][ T1926]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   72.369159][ T1926]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.369298][ T1926]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.369431][ T1926]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.369571][ T1926]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.369711][ T1926]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.369845][ T1926]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   72.369979][ T1926]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.370113][ T1926]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.370257][ T1926]  ? 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))
[   72.370391][ T1926]  ? 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))
[   72.370532][ T1926]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.370671][ T1926]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.370805][ T1926]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.370940][ T1926]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   72.371076][ T1926]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   72.371217][ T1926]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   72.371352][ T1926]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   72.371487][ T1926]  ? copy_msghdr_from_user (net/socket.c:2635)
[   72.371624][ T1926]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   72.371795][ T1926]  ? move_addr_to_kernel (net/socket.c:258)
[   72.371931][ T1926]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.372066][ T1926]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   72.372202][ T1926]  ___sys_sendmsg (net/socket.c:2752)
[   72.372340][ T1926]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   72.372474][ T1926]  ? copy_msghdr_from_user (net/socket.c:2603)
[   72.372615][ T1926]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   72.372758][ T1926]  ? 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))
[   72.372894][ T1926]  __sys_sendmsg (net/socket.c:2784)
[   72.373028][ T1926]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   72.373166][ T1926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.373304][ T1926]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.373440][ T1926]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.373578][ T1926]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.373716][ T1926]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.373850][ T1926]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.374017][ T1926] RIP: 0033:0x7fc28575908e
[   72.374157][ T1926] 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
[   72.374643][ T1926] RSP: 002b:00007ffcfe55f250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.374851][ T1926] RAX: ffffffffffffffda RBX: 00007ffcfe55f9e8 RCX: 00007fc28575908e
[   72.375050][ T1926] RDX: 0000000000000000 RSI: 00007ffcfe55f300 RDI: 0000000000000005
[   72.375258][ T1926] RBP: 00007ffcfe55f260 R08: 0000000000000000 R09: 0000000000000000
[   72.375458][ T1926] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d872
[   72.375667][ T1926] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfe55f9c0
| [   72.412066][   T36] ------------[ cut here ]------------
| [   72.412204][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   72.412449][   T36] Modules linked in: xfrm_user nf_tables
| [   72.412862][   T36] Tainted: [W]=WARN
[   72.412953][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.413103][   T36] Workqueue: events_unbound linkwatch_event
[   72.413260][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.413414][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   72.413847][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   72.413997][   T36] RAX: 00000000ffffffa6 RBX: ff1100000dda8200 RCX: 1ff4000000051f02
[   72.414175][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda82bc
[   72.414357][   T36] RBP: ff1100000e4d4000 R08: 1fe2200001bb5059 R09: ff11000001d751a8
[   72.414538][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   72.414731][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   72.414909][   T36] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   72.415118][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.415275][   T36] CR2: 000055d3d5b6bd5c CR3: 00000000101f8006 CR4: 0000000000771ef0
[   72.415452][   T36] PKRU: 55555554
[   72.415543][   T36] Call Trace:
[   72.415631][   T36]  <TASK>
[   72.415697][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.415817][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   72.415936][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.416032][   T36]  netif_state_change (net/core/dev.c:1605)
[   72.416154][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   72.416309][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   72.416428][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   72.416551][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.416679][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   72.416797][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   72.416916][   T36]  process_one_work (kernel/workqueue.c:3314)
[   72.417041][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   72.417159][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.417288][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   72.417411][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   72.417533][   T36]  kthread (kernel/kthread.c:436)
[   72.417622][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   72.417777][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   72.417897][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   72.418016][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   72.418164][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   72.418285][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   72.418405][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   72.489449][ T1930] ------------[ cut here ]------------
| [   72.489602][ T1930] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1930
| [   72.489867][ T1930] Modules linked in: xfrm_user nf_tables
| [   72.490272][ T1930] Tainted: [W]=WARN
[   72.490372][ T1930] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.490540][ T1930] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.490718][ T1930] 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
[   72.491189][ T1930] RSP: 0018:ffa00000028ff020 EFLAGS: 00010286
[   72.491356][ T1930] RAX: 00000000ffffffa6 RBX: ff11000012121540 RCX: 1ff400000051fdca
[   72.491553][ T1930] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121215fc
[   72.491759][ T1930] RBP: ff1100000f819000 R08: 1fe22000024242c1 R09: ff1100000e5fae58
[   72.491955][ T1930] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   72.492150][ T1930] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   72.492354][ T1930] FS:  00007f5931dea840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   72.492585][ T1930] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.492757][ T1930] CR2: 000000001dbee988 CR3: 000000000fee7001 CR4: 0000000000771ef0
[   72.492955][ T1930] PKRU: 55555554
[   72.493052][ T1930] Call Trace:
[   72.493150][ T1930]  <TASK>
[   72.493225][ T1930]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.493359][ T1930]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.493459][ T1930]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   72.493593][ T1930]  __dev_notify_flags (net/core/dev.c:9787)
[   72.493732][ T1930]  ? netif_change_name (net/core/dev.c:1495)
[   72.493863][ T1930]  ? __dev_change_flags (net/core/dev.c:9752)
[   72.493996][ T1930]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   72.494127][ T1930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.494264][ T1930]  ? 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))
[   72.494398][ T1930]  netif_change_flags (net/core/dev.c:9820)
[   72.494537][ T1930]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   72.494674][ T1930]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   72.494807][ T1930]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   72.494938][ T1930]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   72.495103][ T1930]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.495238][ T1930]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.495369][ T1930]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   72.495501][ T1930]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   72.495634][ T1930]  ? __kernel_text_address (kernel/extable.c:79)
[   72.495858][ T1930]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.495993][ T1930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.496124][ T1930]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   72.496259][ T1930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.496390][ T1930]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   72.496525][ T1930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.496731][ T1930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.496862][ T1930]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   72.496994][ T1930]  ? __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)
[   72.497125][ T1930]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   72.497259][ T1930]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   72.497392][ T1930]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   72.497531][ T1930]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   72.497720][ T1930]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   72.497853][ T1930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.498046][ T1930]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.498177][ T1930]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.498312][ T1930]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   72.498442][ T1930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.498578][ T1930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.498795][ T1930]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.498925][ T1930]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.499056][ T1930]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.499188][ T1930]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.499323][ T1930]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   72.499453][ T1930]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.499588][ T1930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.499803][ T1930]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.499937][ T1930]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.500067][ T1930]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.500199][ T1930]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   72.500336][ T1930]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.500467][ T1930]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.500605][ T1930]  ? 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))
[   72.500776][ T1930]  ? 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))
[   72.500911][ T1930]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.501045][ T1930]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.501177][ T1930]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.501315][ T1930]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   72.501447][ T1930]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   72.501581][ T1930]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   72.501720][ T1930]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   72.501850][ T1930]  ? copy_msghdr_from_user (net/socket.c:2635)
[   72.501983][ T1930]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   72.502144][ T1930]  ? move_addr_to_kernel (net/socket.c:258)
[   72.502279][ T1930]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   72.502410][ T1930]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.502545][ T1930]  ___sys_sendmsg (net/socket.c:2752)
[   72.502680][ T1930]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   72.502843][ T1930]  ? copy_msghdr_from_user (net/socket.c:2603)
[   72.502987][ T1930]  __sys_sendmsg (net/socket.c:2784)
[   72.503119][ T1930]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   72.503253][ T1930]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   72.503418][ T1930]  ? 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)
[   72.503551][ T1930]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.503689][ T1930]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.503820][ T1930]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.503951][ T1930]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.504083][ T1930]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.504250][ T1930] RIP: 0033:0x7f593202408e
[   72.504387][ T1930] 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
[   72.504857][ T1930] RSP: 002b:00007ffd5aa3a4e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.505054][ T1930] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f593202408e
[   72.505253][ T1930] RDX: 0000000000000000 RSI: 00007ffd5aa3a590 RDI: 0000000000000005
[   72.505447][ T1930] RBP: 00007ffd5aa3a4f0 R08: 0000000000000000 R09: 0000000000000000
[   72.505644][ T1930] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d872
[   72.505844][ T1930] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5aa3ac50
| [   72.609272][ T1934] ------------[ cut here ]------------
| [   72.609453][ T1934] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1934
| [   72.609775][ T1934] Modules linked in: xfrm_user nf_tables
| [   72.610279][ T1934] Tainted: [W]=WARN
[   72.610422][ T1934] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.610640][ T1934] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.610867][ T1934] 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
[   72.611377][ T1934] RSP: 0018:ffa00000028ff020 EFLAGS: 00010286
[   72.611594][ T1934] RAX: 00000000ffffffa6 RBX: ff1100000ba8f1c0 RCX: 1ff400000051fdca
[   72.611845][ T1934] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba8f27c
[   72.612084][ T1934] RBP: ff11000010911000 R08: 1fe2200001751e51 R09: ff1100000de55158
[   72.612331][ T1934] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   72.612577][ T1934] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   72.612830][ T1934] FS:  00007f6d5d617840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   72.613102][ T1934] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.613319][ T1934] CR2: 0000000020c36988 CR3: 0000000014da2005 CR4: 0000000000771ef0
[   72.613565][ T1934] PKRU: 55555554
[   72.613723][ T1934] Call Trace:
[   72.613867][ T1934]  <TASK>
[   72.613980][ T1934]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.614158][ T1934]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.614316][ T1934]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   72.614492][ T1934]  __dev_notify_flags (net/core/dev.c:9787)
[   72.614692][ T1934]  ? netif_change_name (net/core/dev.c:1495)
[   72.614869][ T1934]  ? __dev_change_flags (net/core/dev.c:9752)
[   72.615047][ T1934]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   72.615229][ T1934]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.615407][ T1934]  ? 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))
[   72.615593][ T1934]  netif_change_flags (net/core/dev.c:9820)
[   72.615784][ T1934]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   72.615960][ T1934]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   72.616141][ T1934]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   72.616327][ T1934]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   72.616544][ T1934]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.616733][ T1934]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.616909][ T1934]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   72.617086][ T1934]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   72.617274][ T1934]  ? __kernel_text_address (kernel/extable.c:79)
[   72.617450][ T1934]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.617637][ T1934]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.617826][ T1934]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   72.618005][ T1934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.618182][ T1934]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   72.618361][ T1934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.618544][ T1934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.618735][ T1934]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   72.618913][ T1934]  ? __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)
[   72.619089][ T1934]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   72.619276][ T1934]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   72.619455][ T1934]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   72.619646][ T1934]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   72.619840][ T1934]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   72.620018][ T1934]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.620194][ T1934]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.620380][ T1934]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.620563][ T1934]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   72.620753][ T1934]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.620936][ T1934]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.621112][ T1934]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.621299][ T1934]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.621478][ T1934]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.621673][ T1934]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.621851][ T1934]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   72.622029][ T1934]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.622206][ T1934]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.622390][ T1934]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.622577][ T1934]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.622765][ T1934]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.622945][ T1934]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   72.623122][ T1934]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.623308][ T1934]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.623489][ T1934]  ? 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))
[   72.623686][ T1934]  ? 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))
[   72.623868][ T1934]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.624047][ T1934]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.624234][ T1934]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.624414][ T1934]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   72.624600][ T1934]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   72.624791][ T1934]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   72.624970][ T1934]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   72.625146][ T1934]  ? copy_msghdr_from_user (net/socket.c:2635)
[   72.625326][ T1934]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   72.625541][ T1934]  ? move_addr_to_kernel (net/socket.c:258)
[   72.625734][ T1934]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   72.625911][ T1934]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.626090][ T1934]  ___sys_sendmsg (net/socket.c:2752)
[   72.626273][ T1934]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   72.626482][ T1934]  ? copy_msghdr_from_user (net/socket.c:2603)
[   72.626689][ T1934]  __sys_sendmsg (net/socket.c:2784)
[   72.626869][ T1934]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   72.627043][ T1934]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   72.627264][ T1934]  ? 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)
[   72.627441][ T1934]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.627628][ T1934]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.627817][ T1934]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.627993][ T1934]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.628170][ T1934]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.628387][ T1934] RIP: 0033:0x7f6d5d85108e
[   72.628577][ T1934] 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
[   72.629087][ T1934] RSP: 002b:00007fff702b68e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.629341][ T1934] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6d5d85108e
[   72.629585][ T1934] RDX: 0000000000000000 RSI: 00007fff702b6990 RDI: 0000000000000005
[   72.629836][ T1934] RBP: 00007fff702b68f0 R08: 0000000000000000 R09: 0000000000000000
[   72.630074][ T1934] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d872
[   72.630321][ T1934] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff702b7050
| [   72.633045][   T96] ------------[ cut here ]------------
| [   72.633181][   T96] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/96
| [   72.633422][   T96] Modules linked in: xfrm_user nf_tables
| [   72.633838][   T96] Tainted: [W]=WARN
[   72.633928][   T96] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.634077][   T96] Workqueue: events_unbound linkwatch_event
[   72.634237][   T96] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.634390][   T96] 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
[   72.634815][   T96] RSP: 0018:ffa00000005079e0 EFLAGS: 00010286
[   72.634964][   T96] RAX: 00000000ffffffa6 RBX: ff1100001246e580 RCX: 1ff40000000a0f02
[   72.635142][   T96] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e63c
[   72.635323][   T96] RBP: ff11000010911000 R08: 1fe220000248dcc9 R09: ff1100000abad1a8
[   72.635499][   T96] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   72.635684][   T96] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   72.635864][   T96] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   72.636071][   T96] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.636222][   T96] CR2: 000055d3d5b6bd5c CR3: 000000000ff16003 CR4: 0000000000771ef0
[   72.636401][   T96] PKRU: 55555554
[   72.636491][   T96] Call Trace:
[   72.636583][   T96]  <TASK>
[   72.636647][   T96]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.636771][   T96]  ? notifier_call_chain (kernel/notifier.c:85)
[   72.636891][   T96]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.636981][   T96]  netif_state_change (net/core/dev.c:1605)
[   72.637102][   T96]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   72.637258][   T96]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   72.637376][   T96]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   72.637497][   T96]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.637623][   T96]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   72.637746][   T96]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   72.637868][   T96]  process_one_work (kernel/workqueue.c:3314)
[   72.637991][   T96]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   72.638110][   T96]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.638238][   T96]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   72.638359][   T96]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   72.638476][   T96]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   72.638600][   T96]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   72.638723][   T96]  kthread (kernel/kthread.c:436)
[   72.638812][   T96]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   72.638959][   T96]  ? kthread_affine_node (kernel/kthread.c:378)
[   72.639078][   T96]  ret_from_fork (arch/x86/kernel/process.c:158)
[   72.639197][   T96]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   72.639351][   T96]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   72.639473][   T96]  ? kthread_affine_node (kernel/kthread.c:378)
[   72.639605][   T96]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   72.641239][   T96] ------------[ cut here ]------------
| [   72.641357][   T96] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/96
| [   72.641592][   T96] Modules linked in: xfrm_user nf_tables
| [   72.641989][   T96] Tainted: [W]=WARN
[   72.642079][   T96] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.642229][   T96] Workqueue: events_unbound linkwatch_event
[   72.642382][   T96] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.642539][   T96] 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
[   72.642965][   T96] RSP: 0018:ffa00000005079e0 EFLAGS: 00010286
[   72.643115][   T96] RAX: 00000000ffffffa6 RBX: ff11000009b8aac0 RCX: 1ff40000000a0f02
[   72.643299][   T96] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009b8ab7c
[   72.643474][   T96] RBP: ff1100000f819000 R08: 1fe2200001371571 R09: ff1100000abad1a8
[   72.643677][   T96] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   72.643859][   T96] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   72.644045][   T96] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   72.644256][   T96] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.644404][   T96] CR2: 000055d3d5b6bd5c CR3: 000000000ff16003 CR4: 0000000000771ef0
[   72.644591][   T96] PKRU: 55555554
[   72.644685][   T96] Call Trace:
[   72.644773][   T96]  <TASK>
[   72.644835][   T96]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.644955][   T96]  ? notifier_call_chain (kernel/notifier.c:85)
[   72.645076][   T96]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.645167][   T96]  netif_state_change (net/core/dev.c:1605)
[   72.645291][   T96]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   72.645440][   T96]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   72.645562][   T96]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   72.645686][   T96]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.645807][   T96]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   72.645925][   T96]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   72.646044][   T96]  process_one_work (kernel/workqueue.c:3314)
[   72.646167][   T96]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   72.646292][   T96]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.646415][   T96]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   72.646538][   T96]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   72.646661][   T96]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   72.646781][   T96]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   72.646899][   T96]  kthread (kernel/kthread.c:436)
[   72.646988][   T96]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   72.647136][   T96]  ? kthread_affine_node (kernel/kthread.c:378)
[   72.647257][   T96]  ret_from_fork (arch/x86/kernel/process.c:158)
[   72.647452][   T96]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   72.647601][   T96]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   72.647723][   T96]  ? kthread_affine_node (kernel/kthread.c:378)
[   72.647842][   T96]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   72.834844][ T1942] ------------[ cut here ]------------
| [   72.835003][ T1942] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1942
| [   72.835283][ T1942] Modules linked in: xfrm_user nf_tables
| [   72.835711][ T1942] Tainted: [W]=WARN
[   72.835814][ T1942] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.835983][ T1942] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.836160][ T1942] 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
[   72.836648][ T1942] RSP: 0018:ffa00000028aee30 EFLAGS: 00010286
[   72.836824][ T1942] RAX: 00000000ffffffa6 RBX: ff11000012120e40 RCX: 1ff4000000515d8c
[   72.837024][ T1942] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012120efc
[   72.837227][ T1942] RBP: ff1100000eb79000 R08: 1fe22000024241e1 R09: ff1100000a8eae80
[   72.837429][ T1942] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   72.837635][ T1942] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e6eae00
[   72.837845][ T1942] FS:  00007f83333b1840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   72.838080][ T1942] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.838256][ T1942] CR2: 00000000004eb188 CR3: 000000000e68c002 CR4: 0000000000771ef0
[   72.838458][ T1942] PKRU: 55555554
[   72.838565][ T1942] Call Trace:
[   72.838671][ T1942]  <TASK>
[   72.838741][ T1942]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.838879][ T1942]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.838983][ T1942]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   72.839151][ T1942]  __dev_notify_flags (net/core/dev.c:9787)
[   72.839293][ T1942]  ? netif_change_name (net/core/dev.c:1495)
[   72.839428][ T1942]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   72.839566][ T1942]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   72.839703][ T1942]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   72.839838][ T1942]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   72.839975][ T1942]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.840111][ T1942]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   72.840250][ T1942]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   72.840385][ T1942]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   72.840521][ T1942]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   72.840663][ T1942]  veth_newlink (drivers/net/veth.c:1871)
[   72.840800][ T1942]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   72.840933][ T1942]  ? kasan_save_stack (mm/kasan/common.c:57)
[   72.841068][ T1942]  ? kasan_save_track (mm/kasan/common.c:78)
[   72.841201][ T1942]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   72.841358][ T1942]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   72.841493][ T1942]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   72.841632][ T1942]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   72.842347][ T1942]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   72.842486][ T1942]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   72.842627][ T1942]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   72.842767][ T1942]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   72.842901][ T1942]  ? __dev_get_by_name (net/core/dev.c:883)
[   72.843037][ T1942]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   72.843177][ T1942]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   72.843321][ T1942]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   72.843457][ T1942]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.843596][ T1942]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.843734][ T1942]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.843869][ T1942]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   72.844003][ T1942]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.844141][ T1942]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.844282][ T1942]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.844417][ T1942]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   72.844553][ T1942]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.844691][ T1942]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.844826][ T1942]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.844963][ T1942]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.845098][ T1942]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.845239][ T1942]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   72.845374][ T1942]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.845513][ T1942]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.845657][ T1942]  ? 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))
[   72.845793][ T1942]  ? 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))
[   72.845932][ T1942]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.846068][ T1942]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.846204][ T1942]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.846345][ T1942]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   72.846484][ T1942]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   72.846623][ T1942]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   72.846768][ T1942]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   72.846907][ T1942]  ? copy_msghdr_from_user (net/socket.c:2635)
[   72.847044][ T1942]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   72.847210][ T1942]  ? move_addr_to_kernel (net/socket.c:258)
[   72.847354][ T1942]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.847493][ T1942]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   72.847632][ T1942]  ___sys_sendmsg (net/socket.c:2752)
[   72.847771][ T1942]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   72.847907][ T1942]  ? copy_msghdr_from_user (net/socket.c:2603)
[   72.848047][ T1942]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   72.848188][ T1942]  ? 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))
[   72.848328][ T1942]  __sys_sendmsg (net/socket.c:2784)
[   72.848464][ T1942]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   72.848607][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.848749][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.848886][ T1942]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.849021][ T1942]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.849158][ T1942]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.849298][ T1942]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.849465][ T1942] RIP: 0033:0x7f83335eb08e
[   72.849612][ T1942] 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
[   72.850097][ T1942] RSP: 002b:00007ffd413eaa20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.850306][ T1942] RAX: ffffffffffffffda RBX: 00007ffd413eb1b8 RCX: 00007f83335eb08e
[   72.850511][ T1942] RDX: 0000000000000000 RSI: 00007ffd413eaad0 RDI: 0000000000000005
[   72.850719][ T1942] RBP: 00007ffd413eaa30 R08: 0000000000000000 R09: 0000000000000000
[   72.850919][ T1942] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d873
[   72.851120][ T1942] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd413eb190
| [   72.866676][ T1942] ------------[ cut here ]------------
| [   72.866822][ T1942] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1942
| [   72.867087][ T1942] Modules linked in: xfrm_user nf_tables
| [   72.867497][ T1942] Tainted: [W]=WARN
[   72.867603][ T1942] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.867778][ T1942] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.867950][ T1942] 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
[   72.868428][ T1942] RSP: 0018:ffa00000028af1b0 EFLAGS: 00010286
[   72.868599][ T1942] RAX: 00000000ffffffa6 RBX: ff1100001540a580 RCX: 1ff4000000515dfc
[   72.868803][ T1942] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001540a63c
[   72.869003][ T1942] RBP: ff110000079cc000 R08: 1fe2200002a814c9 R09: ff1100000a8eae80
[   72.869203][ T1942] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   72.869406][ T1942] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   72.869611][ T1942] FS:  00007f83333b1840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   72.869853][ T1942] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.870019][ T1942] CR2: 00000000004eb188 CR3: 000000000e68c002 CR4: 0000000000771ef0
[   72.870227][ T1942] PKRU: 55555554
[   72.870329][ T1942] Call Trace:
[   72.870429][ T1942]  <TASK>
[   72.870499][ T1942]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.870639][ T1942]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.870747][ T1942]  __dev_notify_flags (net/core/dev.c:9787)
[   72.870882][ T1942]  ? netif_change_name (net/core/dev.c:1495)
[   72.871016][ T1942]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   72.871150][ T1942]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   72.871292][ T1942]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   72.871428][ T1942]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   72.871566][ T1942]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   72.871703][ T1942]  ? __dev_get_by_name (net/core/dev.c:883)
[   72.871835][ T1942]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   72.871974][ T1942]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   72.872112][ T1942]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   72.872256][ T1942]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.872389][ T1942]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.872525][ T1942]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.872665][ T1942]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   72.872799][ T1942]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.872937][ T1942]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.873071][ T1942]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.873204][ T1942]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   72.873343][ T1942]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.873476][ T1942]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.873612][ T1942]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.873753][ T1942]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.873885][ T1942]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.874020][ T1942]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   72.874153][ T1942]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.874292][ T1942]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.874428][ T1942]  ? 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))
[   72.874563][ T1942]  ? 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))
[   72.874703][ T1942]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.874837][ T1942]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.874971][ T1942]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.875106][ T1942]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   72.875245][ T1942]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   72.875381][ T1942]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   72.875517][ T1942]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   72.875656][ T1942]  ? copy_msghdr_from_user (net/socket.c:2635)
[   72.875789][ T1942]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   72.875952][ T1942]  ? move_addr_to_kernel (net/socket.c:258)
[   72.876087][ T1942]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.876225][ T1942]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   72.876360][ T1942]  ___sys_sendmsg (net/socket.c:2752)
[   72.876494][ T1942]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   72.876630][ T1942]  ? copy_msghdr_from_user (net/socket.c:2603)
[   72.876772][ T1942]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   72.876908][ T1942]  ? 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))
[   72.877042][ T1942]  __sys_sendmsg (net/socket.c:2784)
[   72.877175][ T1942]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   72.877317][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.877451][ T1942]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.877586][ T1942]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.877725][ T1942]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.877857][ T1942]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.877991][ T1942]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.878157][ T1942] RIP: 0033:0x7f83335eb08e
[   72.878299][ T1942] 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
[   72.878783][ T1942] RSP: 002b:00007ffd413eaa20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.878983][ T1942] RAX: ffffffffffffffda RBX: 00007ffd413eb1b8 RCX: 00007f83335eb08e
[   72.879178][ T1942] RDX: 0000000000000000 RSI: 00007ffd413eaad0 RDI: 0000000000000005
[   72.879381][ T1942] RBP: 00007ffd413eaa30 R08: 0000000000000000 R09: 0000000000000000
[   72.879582][ T1942] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d873
[   72.879784][ T1942] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd413eb190
| [   72.982680][ T1946] ------------[ cut here ]------------
| [   72.982831][ T1946] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1946
| [   72.983092][ T1946] Modules linked in: xfrm_user nf_tables
| [   72.983494][ T1946] Tainted: [W]=WARN
[   72.983596][ T1946] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   72.984425][ T1946] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   72.984600][ T1946] 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
[   72.985099][ T1946] RSP: 0018:ffa000000293f020 EFLAGS: 00010286
[   72.985266][ T1946] RAX: 00000000ffffffa6 RBX: ff11000013bdb380 RCX: 1ff4000000527dca
[   72.985459][ T1946] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013bdb43c
[   72.985662][ T1946] RBP: ff110000079cc000 R08: 1fe220000277b689 R09: ff1100000fb3d158
[   72.985855][ T1946] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   72.986052][ T1946] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   72.986256][ T1946] FS:  00007fd6a1647840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   72.986482][ T1946] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   72.986651][ T1946] CR2: 0000000000c60988 CR3: 0000000009177006 CR4: 0000000000771ef0
[   72.986856][ T1946] PKRU: 55555554
[   72.986953][ T1946] Call Trace:
[   72.987049][ T1946]  <TASK>
[   72.987116][ T1946]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   72.987255][ T1946]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   72.987355][ T1946]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   72.987484][ T1946]  __dev_notify_flags (net/core/dev.c:9787)
[   72.987618][ T1946]  ? netif_change_name (net/core/dev.c:1495)
[   72.987754][ T1946]  ? __dev_change_flags (net/core/dev.c:9752)
[   72.987885][ T1946]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   72.988014][ T1946]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.988145][ T1946]  ? 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))
[   72.988284][ T1946]  netif_change_flags (net/core/dev.c:9820)
[   72.988415][ T1946]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   72.988548][ T1946]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   72.988687][ T1946]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   72.988818][ T1946]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   72.988979][ T1946]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   72.989107][ T1946]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.989241][ T1946]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   72.989371][ T1946]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   72.989507][ T1946]  ? __kernel_text_address (kernel/extable.c:79)
[   72.989639][ T1946]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.989778][ T1946]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.989908][ T1946]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   72.990037][ T1946]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.990167][ T1946]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   72.990301][ T1946]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.990430][ T1946]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.990565][ T1946]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   72.990700][ T1946]  ? __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)
[   72.990829][ T1946]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   72.990960][ T1946]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   72.991091][ T1946]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   72.991229][ T1946]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   72.991362][ T1946]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   72.991493][ T1946]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.991627][ T1946]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.991761][ T1946]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.991891][ T1946]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   72.992020][ T1946]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.992152][ T1946]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.992288][ T1946]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.992419][ T1946]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.992553][ T1946]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   72.992689][ T1946]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   72.992820][ T1946]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   72.992950][ T1946]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.993080][ T1946]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.993209][ T1946]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.993347][ T1946]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   72.993477][ T1946]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   72.993613][ T1946]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   72.993750][ T1946]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   72.993880][ T1946]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   72.994014][ T1946]  ? 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))
[   72.994143][ T1946]  ? 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))
[   72.994281][ T1946]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   72.994413][ T1946]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   72.994548][ T1946]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   72.994686][ T1946]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   72.994818][ T1946]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   72.994948][ T1946]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   72.995080][ T1946]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   72.995211][ T1946]  ? copy_msghdr_from_user (net/socket.c:2635)
[   72.995347][ T1946]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   72.995511][ T1946]  ? move_addr_to_kernel (net/socket.c:258)
[   72.995644][ T1946]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   72.995779][ T1946]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   72.995910][ T1946]  ___sys_sendmsg (net/socket.c:2752)
[   72.996039][ T1946]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   72.996200][ T1946]  ? copy_msghdr_from_user (net/socket.c:2603)
[   72.996348][ T1946]  __sys_sendmsg (net/socket.c:2784)
[   72.996479][ T1946]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   72.996612][ T1946]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   72.996781][ T1946]  ? 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)
[   72.996913][ T1946]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   72.997045][ T1946]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   72.997175][ T1946]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   72.997311][ T1946]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   72.997440][ T1946]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   72.997607][ T1946] RIP: 0033:0x7fd6a188108e
[   72.997749][ T1946] 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
[   72.998218][ T1946] RSP: 002b:00007ffc5693a3c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   72.998414][ T1946] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd6a188108e
[   72.998611][ T1946] RDX: 0000000000000000 RSI: 00007ffc5693a470 RDI: 0000000000000005
[   72.998810][ T1946] RBP: 00007ffc5693a3d0 R08: 0000000000000000 R09: 0000000000000000
[   72.999003][ T1946] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d873
[   72.999197][ T1946] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc5693ab30
| [   73.115181][ T1950] ------------[ cut here ]------------
| [   73.115331][ T1950] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/1950
| [   73.115597][ T1950] Modules linked in: xfrm_user nf_tables
| [   73.116557][ T1950] Tainted: [W]=WARN
[   73.116661][ T1950] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.116825][ T1950] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.116993][ T1950] 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
[   73.117453][ T1950] RSP: 0018:ffa000000293f020 EFLAGS: 00010286
[   73.117618][ T1950] RAX: 00000000ffffffa6 RBX: ff1100000cc24200 RCX: 1ff4000000527dca
[   73.117817][ T1950] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc242bc
[   73.118007][ T1950] RBP: ff1100000eb79000 R08: 1fe2200001984859 R09: ff1100000eb28b58
[   73.118196][ T1950] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   73.118389][ T1950] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   73.118581][ T1950] FS:  00007f247e4d5840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   73.118816][ T1950] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.118978][ T1950] CR2: 00000000321b7988 CR3: 00000000123c5002 CR4: 0000000000771ef0
[   73.119170][ T1950] PKRU: 55555554
[   73.119271][ T1950] Call Trace:
[   73.119366][ T1950]  <TASK>
[   73.119432][ T1950]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.119565][ T1950]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.119667][ T1950]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   73.119796][ T1950]  __dev_notify_flags (net/core/dev.c:9787)
[   73.119926][ T1950]  ? netif_change_name (net/core/dev.c:1495)
[   73.120055][ T1950]  ? __dev_change_flags (net/core/dev.c:9752)
[   73.120184][ T1950]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   73.120316][ T1950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.120445][ T1950]  ? 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))
[   73.120578][ T1950]  netif_change_flags (net/core/dev.c:9820)
[   73.120714][ T1950]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   73.120844][ T1950]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   73.120980][ T1950]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   73.121110][ T1950]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   73.121279][ T1950]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.121405][ T1950]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.121535][ T1950]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   73.121665][ T1950]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.121794][ T1950]  ? __kernel_text_address (kernel/extable.c:79)
[   73.121923][ T1950]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.122054][ T1950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.122180][ T1950]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.122313][ T1950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.122440][ T1950]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   73.122572][ T1950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.122706][ T1950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.122833][ T1950]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   73.122963][ T1950]  ? __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)
[   73.123091][ T1950]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   73.123227][ T1950]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.123358][ T1950]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   73.123488][ T1950]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   73.123622][ T1950]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.123756][ T1950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.123883][ T1950]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.124011][ T1950]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.124139][ T1950]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.124274][ T1950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.124404][ T1950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.124534][ T1950]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.124665][ T1950]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.124794][ T1950]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.124922][ T1950]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.125049][ T1950]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.125179][ T1950]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.125313][ T1950]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.125439][ T1950]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.125572][ T1950]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.125704][ T1950]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.125833][ T1950]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.125960][ T1950]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.126087][ T1950]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.126224][ T1950]  ? 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))
[   73.126353][ T1950]  ? 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))
[   73.126481][ T1950]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.126611][ T1950]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.126823][ T1950]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.126952][ T1950]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.127080][ T1950]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.127211][ T1950]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.127345][ T1950]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.127473][ T1950]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.127604][ T1950]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.127827][ T1950]  ? move_addr_to_kernel (net/socket.c:258)
[   73.127955][ T1950]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.128083][ T1950]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.128213][ T1950]  ___sys_sendmsg (net/socket.c:2752)
[   73.128346][ T1950]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   73.128506][ T1950]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.128646][ T1950]  __sys_sendmsg (net/socket.c:2784)
[   73.128854][ T1950]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.128983][ T1950]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   73.129143][ T1950]  ? 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)
[   73.129277][ T1950]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.129406][ T1950]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.129538][ T1950]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.129729][ T1950]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.129856][ T1950]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.130014][ T1950] RIP: 0033:0x7f247e70f08e
[   73.130149][ T1950] 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
[   73.130613][ T1950] RSP: 002b:00007fffd4240ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.130894][ T1950] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f247e70f08e
[   73.131086][ T1950] RDX: 0000000000000000 RSI: 00007fffd4240b70 RDI: 0000000000000005
[   73.131284][ T1950] RBP: 00007fffd4240ad0 R08: 0000000000000000 R09: 0000000000000000
[   73.131473][ T1950] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d873
[   73.131734][ T1950] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd4241230
| [   73.140898][   T73] ------------[ cut here ]------------
| [   73.141037][   T73] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 2/73
| [   73.141279][   T73] Modules linked in: xfrm_user nf_tables
| [   73.141689][   T73] Tainted: [W]=WARN
[   73.141779][   T73] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.141931][   T73] Workqueue: events_unbound linkwatch_event
[   73.142086][   T73] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.142246][   T73] 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
[   73.142686][   T73] RSP: 0018:ffa00000004e79e0 EFLAGS: 00010286
[   73.142840][   T73] RAX: 00000000ffffffa6 RBX: ff110000134f1a80 RCX: 1ff400000009cf02
[   73.143017][   T73] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000134f1b3c
[   73.143194][   T73] RBP: ff1100000eb79000 R08: 1fe220000269e369 R09: ff11000009c58ba8
[   73.143376][   T73] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   73.143556][   T73] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   73.143747][   T73] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   73.143955][   T73] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.144106][   T73] CR2: 000055d3d5b6bd5c CR3: 000000000b98e002 CR4: 0000000000771ef0
[   73.144290][   T73] PKRU: 55555554
[   73.144380][   T73] Call Trace:
[   73.144469][   T73]  <TASK>
[   73.144534][   T73]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.144661][   T73]  ? notifier_call_chain (kernel/notifier.c:85)
[   73.144783][   T73]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.144874][   T73]  netif_state_change (net/core/dev.c:1605)
[   73.144995][   T73]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   73.145145][   T73]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   73.145269][   T73]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   73.145389][   T73]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.145513][   T73]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   73.145631][   T73]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   73.145756][   T73]  process_one_work (kernel/workqueue.c:3314)
[   73.145882][   T73]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   73.146000][   T73]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.146123][   T73]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   73.146248][   T73]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   73.146367][   T73]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   73.146488][   T73]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   73.146609][   T73]  kthread (kernel/kthread.c:436)
[   73.146705][   T73]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   73.146855][   T73]  ? kthread_affine_node (kernel/kthread.c:378)
[   73.146974][   T73]  ret_from_fork (arch/x86/kernel/process.c:158)
[   73.147094][   T73]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   73.147249][   T73]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   73.147368][   T73]  ? kthread_affine_node (kernel/kthread.c:378)
[   73.147487][   T73]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   73.149121][   T73] ------------[ cut here ]------------
| [   73.149245][   T73] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 2/73
| [   73.149483][   T73] Modules linked in: xfrm_user nf_tables
| [   73.149894][   T73] Tainted: [W]=WARN
[   73.149988][   T73] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.150137][   T73] Workqueue: events_unbound linkwatch_event
[   73.150304][   T73] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.150458][   T73] 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
[   73.150893][   T73] RSP: 0018:ffa00000004e79e0 EFLAGS: 00010286
[   73.151045][   T73] RAX: 00000000ffffffa6 RBX: ff1100000ba8fc40 RCX: 1ff400000009cf02
[   73.151228][   T73] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba8fcfc
[   73.151412][   T73] RBP: ff110000079cc000 R08: 1fe2200001751fa1 R09: ff11000009c58ba8
[   73.151595][   T73] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   73.151787][   T73] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   73.151967][   T73] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   73.152175][   T73] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.152329][   T73] CR2: 000055d3d5b6bd5c CR3: 000000004994d003 CR4: 0000000000771ef0
[   73.152512][   T73] PKRU: 55555554
[   73.152601][   T73] Call Trace:
[   73.152695][   T73]  <TASK>
[   73.152757][   T73]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.152877][   T73]  ? notifier_call_chain (kernel/notifier.c:85)
[   73.153000][   T73]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.153092][   T73]  netif_state_change (net/core/dev.c:1605)
[   73.153213][   T73]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   73.153368][   T73]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   73.153487][   T73]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   73.153608][   T73]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.153747][   T73]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   73.153865][   T73]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   73.153984][   T73]  process_one_work (kernel/workqueue.c:3314)
[   73.154106][   T73]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   73.154229][   T73]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.154352][   T73]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   73.154472][   T73]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   73.154596][   T73]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   73.154721][   T73]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   73.154839][   T73]  kthread (kernel/kthread.c:436)
[   73.154927][   T73]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   73.155074][   T73]  ? kthread_affine_node (kernel/kthread.c:378)
[   73.155193][   T73]  ret_from_fork (arch/x86/kernel/process.c:158)
[   73.155316][   T73]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   73.155464][   T73]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   73.155587][   T73]  ? kthread_affine_node (kernel/kthread.c:378)
[   73.155714][   T73]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   73.318716][ T1958] ------------[ cut here ]------------
| [   73.318868][ T1958] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1958
| [   73.319140][ T1958] Modules linked in: xfrm_user nf_tables
| [   73.319561][ T1958] Tainted: [W]=WARN
[   73.319668][ T1958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.319836][ T1958] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.320010][ T1958] 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
[   73.320493][ T1958] RSP: 0018:ffa000000298ee30 EFLAGS: 00010286
[   73.320668][ T1958] RAX: 00000000ffffffa6 RBX: ff1100001243f8c0 RCX: 1ff4000000531d8c
[   73.320867][ T1958] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243f97c
[   73.321069][ T1958] RBP: ff1100000fb59000 R08: 1fe2200002487f31 R09: ff11000009c5ae80
[   73.321274][ T1958] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   73.321473][ T1958] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000094ae000
[   73.321685][ T1958] FS:  00007fc5238d5840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   73.321921][ T1958] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.322089][ T1958] CR2: 00000000004eb188 CR3: 000000000e87b005 CR4: 0000000000771ef0
[   73.322295][ T1958] PKRU: 55555554
[   73.322394][ T1958] Call Trace:
[   73.322494][ T1958]  <TASK>
[   73.322568][ T1958]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.322710][ T1958]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.322814][ T1958]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   73.322979][ T1958]  __dev_notify_flags (net/core/dev.c:9787)
[   73.323115][ T1958]  ? netif_change_name (net/core/dev.c:1495)
[   73.323253][ T1958]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.323386][ T1958]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.323524][ T1958]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.323666][ T1958]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   73.323803][ T1958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.323938][ T1958]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   73.324072][ T1958]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   73.324206][ T1958]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   73.324345][ T1958]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   73.324480][ T1958]  veth_newlink (drivers/net/veth.c:1871)
[   73.324618][ T1958]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   73.324758][ T1958]  ? kasan_save_stack (mm/kasan/common.c:57)
[   73.324892][ T1958]  ? kasan_save_track (mm/kasan/common.c:78)
[   73.325025][ T1958]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   73.325174][ T1958]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   73.325316][ T1958]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   73.325450][ T1958]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   73.325586][ T1958]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   73.325730][ T1958]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   73.325866][ T1958]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   73.326002][ T1958]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   73.326136][ T1958]  ? __dev_get_by_name (net/core/dev.c:883)
[   73.326276][ T1958]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   73.326416][ T1958]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   73.326554][ T1958]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.326696][ T1958]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.326830][ T1958]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.326965][ T1958]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.327098][ T1958]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.327235][ T1958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.327373][ T1958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.327511][ T1958]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.327645][ T1958]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.327785][ T1958]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.327919][ T1958]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.328051][ T1958]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.328186][ T1958]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.328323][ T1958]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.328458][ T1958]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.328596][ T1958]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.328734][ T1958]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.328871][ T1958]  ? 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))
[   73.329004][ T1958]  ? 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))
[   73.329140][ T1958]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.329282][ T1958]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.329417][ T1958]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.329554][ T1958]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.329695][ T1958]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.329830][ T1958]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.329966][ T1958]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.330100][ T1958]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.330241][ T1958]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.330405][ T1958]  ? move_addr_to_kernel (net/socket.c:258)
[   73.330545][ T1958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.330684][ T1958]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   73.330818][ T1958]  ___sys_sendmsg (net/socket.c:2752)
[   73.330952][ T1958]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   73.331088][ T1958]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.331230][ T1958]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   73.331368][ T1958]  ? 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))
[   73.331508][ T1958]  __sys_sendmsg (net/socket.c:2784)
[   73.331642][ T1958]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.331787][ T1958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.331923][ T1958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.332057][ T1958]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.332190][ T1958]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.332328][ T1958]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.332459][ T1958]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.332630][ T1958] RIP: 0033:0x7fc523b0f08e
[   73.332774][ T1958] 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
[   73.333253][ T1958] RSP: 002b:00007ffdc090c690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.333454][ T1958] RAX: ffffffffffffffda RBX: 00007ffdc090ce28 RCX: 00007fc523b0f08e
[   73.333663][ T1958] RDX: 0000000000000000 RSI: 00007ffdc090c740 RDI: 0000000000000005
[   73.333864][ T1958] RBP: 00007ffdc090c6a0 R08: 0000000000000000 R09: 0000000000000000
[   73.334063][ T1958] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d873
[   73.334265][ T1958] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc090ce00
| [   73.349956][ T1958] ------------[ cut here ]------------
| [   73.350100][ T1958] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1958
| [   73.350368][ T1958] Modules linked in: xfrm_user nf_tables
| [   73.350780][ T1958] Tainted: [W]=WARN
[   73.350880][ T1958] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.351046][ T1958] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.351222][ T1958] 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
[   73.351704][ T1958] RSP: 0018:ffa000000298f1b0 EFLAGS: 00010286
[   73.351870][ T1958] RAX: 00000000ffffffa6 RBX: ff110000134fe3c0 RCX: 1ff4000000531dfc
[   73.352066][ T1958] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000134fe47c
[   73.352268][ T1958] RBP: ff11000012414000 R08: 1fe220000269fc91 R09: ff11000009c5ae80
[   73.352463][ T1958] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   73.352668][ T1958] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   73.352867][ T1958] FS:  00007fc5238d5840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   73.353098][ T1958] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.353267][ T1958] CR2: 00000000004eb188 CR3: 000000000e87b005 CR4: 0000000000771ef0
[   73.353465][ T1958] PKRU: 55555554
[   73.353568][ T1958] Call Trace:
[   73.353670][ T1958]  <TASK>
[   73.353740][ T1958]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.353875][ T1958]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.353976][ T1958]  __dev_notify_flags (net/core/dev.c:9787)
[   73.354111][ T1958]  ? netif_change_name (net/core/dev.c:1495)
[   73.354251][ T1958]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   73.354384][ T1958]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   73.354520][ T1958]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   73.354661][ T1958]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   73.354798][ T1958]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   73.354930][ T1958]  ? __dev_get_by_name (net/core/dev.c:883)
[   73.355061][ T1958]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   73.355200][ T1958]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   73.355342][ T1958]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.355476][ T1958]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.355611][ T1958]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.355762][ T1958]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.355894][ T1958]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.356028][ T1958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.356166][ T1958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.356305][ T1958]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.356438][ T1958]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.356575][ T1958]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.356714][ T1958]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.356850][ T1958]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.356984][ T1958]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.357115][ T1958]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.357254][ T1958]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.357386][ T1958]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.357519][ T1958]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.357663][ T1958]  ? 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))
[   73.357795][ T1958]  ? 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))
[   73.357931][ T1958]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.358064][ T1958]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.358198][ T1958]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.358338][ T1958]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.358472][ T1958]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.358610][ T1958]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.358749][ T1958]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.358883][ T1958]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.359015][ T1958]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.359179][ T1958]  ? move_addr_to_kernel (net/socket.c:258)
[   73.359317][ T1958]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.359450][ T1958]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   73.359584][ T1958]  ___sys_sendmsg (net/socket.c:2752)
[   73.359722][ T1958]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   73.359856][ T1958]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.359996][ T1958]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   73.360132][ T1958]  ? 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))
[   73.360273][ T1958]  __sys_sendmsg (net/socket.c:2784)
[   73.360405][ T1958]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.360545][ T1958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.360682][ T1958]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.360815][ T1958]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.360948][ T1958]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.361079][ T1958]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.361211][ T1958]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.361380][ T1958] RIP: 0033:0x7fc523b0f08e
[   73.361519][ T1958] 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
[   73.361996][ T1958] RSP: 002b:00007ffdc090c690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.362196][ T1958] RAX: ffffffffffffffda RBX: 00007ffdc090ce28 RCX: 00007fc523b0f08e
[   73.362399][ T1958] RDX: 0000000000000000 RSI: 00007ffdc090c740 RDI: 0000000000000005
[   73.362600][ T1958] RBP: 00007ffdc090c6a0 R08: 0000000000000000 R09: 0000000000000000
[   73.362801][ T1958] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d873
[   73.362998][ T1958] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdc090ce00
| [   73.479457][ T1962] ------------[ cut here ]------------
| [   73.479610][ T1962] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1962
| [   73.480453][ T1962] Modules linked in: xfrm_user nf_tables
| [   73.480953][ T1962] Tainted: [W]=WARN
[   73.481051][ T1962] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.481211][ T1962] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.481387][ T1962] 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
[   73.481913][ T1962] RSP: 0018:ffa000000295f020 EFLAGS: 00010286
[   73.482077][ T1962] RAX: 00000000ffffffa6 RBX: ff1100000d68eac0 RCX: 1ff400000052bdca
[   73.482276][ T1962] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68eb7c
[   73.482470][ T1962] RBP: ff11000012414000 R08: 1fe2200001ad1d71 R09: ff1100000ebbd158
[   73.482734][ T1962] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   73.482928][ T1962] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   73.483123][ T1962] FS:  00007f01f8f56840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   73.483356][ T1962] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.483523][ T1962] CR2: 000000003fbc9988 CR3: 00000000090db001 CR4: 0000000000771ef0
[   73.483723][ T1962] PKRU: 55555554
[   73.483821][ T1962] Call Trace:
[   73.483918][ T1962]  <TASK>
[   73.483984][ T1962]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.484116][ T1962]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.484219][ T1962]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   73.484349][ T1962]  __dev_notify_flags (net/core/dev.c:9787)
[   73.484479][ T1962]  ? netif_change_name (net/core/dev.c:1495)
[   73.484609][ T1962]  ? __dev_change_flags (net/core/dev.c:9752)
[   73.484745][ T1962]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   73.484874][ T1962]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.485005][ T1962]  ? 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))
[   73.485138][ T1962]  netif_change_flags (net/core/dev.c:9820)
[   73.485278][ T1962]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   73.485407][ T1962]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   73.485544][ T1962]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   73.485680][ T1962]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   73.485842][ T1962]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.485973][ T1962]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.486104][ T1962]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   73.486239][ T1962]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.486370][ T1962]  ? __kernel_text_address (kernel/extable.c:79)
[   73.486500][ T1962]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.486634][ T1962]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.486768][ T1962]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.486898][ T1962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.487028][ T1962]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   73.487157][ T1962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.487293][ T1962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.487423][ T1962]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   73.487559][ T1962]  ? __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)
[   73.487693][ T1962]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   73.487823][ T1962]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.487955][ T1962]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   73.488088][ T1962]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   73.488229][ T1962]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.488362][ T1962]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.488492][ T1962]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.488626][ T1962]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.488760][ T1962]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.488889][ T1962]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.489022][ T1962]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.489153][ T1962]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.489287][ T1962]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.489417][ T1962]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.489549][ T1962]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.489684][ T1962]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.489813][ T1962]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.489941][ T1962]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.490071][ T1962]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.490202][ T1962]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.490336][ T1962]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.490464][ T1962]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.490596][ T1962]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.490730][ T1962]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.490862][ T1962]  ? 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))
[   73.490991][ T1962]  ? 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))
[   73.491122][ T1962]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.491258][ T1962]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.491387][ T1962]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.491518][ T1962]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.491648][ T1962]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.491783][ T1962]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.491913][ T1962]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.492042][ T1962]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.492172][ T1962]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.492337][ T1962]  ? move_addr_to_kernel (net/socket.c:258)
[   73.492467][ T1962]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.492599][ T1962]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.492733][ T1962]  ___sys_sendmsg (net/socket.c:2752)
[   73.492863][ T1962]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   73.493024][ T1962]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.493167][ T1962]  __sys_sendmsg (net/socket.c:2784)
[   73.493303][ T1962]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.493431][ T1962]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   73.493597][ T1962]  ? 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)
[   73.493730][ T1962]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.493860][ T1962]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.493989][ T1962]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.494118][ T1962]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.494256][ T1962]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.494415][ T1962] RIP: 0033:0x7f01f919008e
[   73.494551][ T1962] 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
[   73.495016][ T1962] RSP: 002b:00007ffcc11df6a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.495211][ T1962] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f01f919008e
[   73.495411][ T1962] RDX: 0000000000000000 RSI: 00007ffcc11df750 RDI: 0000000000000005
[   73.495605][ T1962] RBP: 00007ffcc11df6b0 R08: 0000000000000000 R09: 0000000000000000
[   73.495804][ T1962] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d873
[   73.495998][ T1962] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc11dfe10
| [   73.593618][ T1966] ------------[ cut here ]------------
| [   73.593791][ T1966] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1966
| [   73.594057][ T1966] Modules linked in: xfrm_user nf_tables
| [   73.594465][ T1966] Tainted: [W]=WARN
[   73.594571][ T1966] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.594740][ T1966] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.594908][ T1966] 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
[   73.595374][ T1966] RSP: 0018:ffa000000298f020 EFLAGS: 00010286
[   73.595544][ T1966] RAX: 00000000ffffffa6 RBX: ff1100000a1183c0 RCX: 1ff4000000531dca
[   73.595744][ T1966] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a11847c
[   73.595937][ T1966] RBP: ff1100000fb59000 R08: 1fe2200001423091 R09: ff1100000fa72e58
[   73.596130][ T1966] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   73.596330][ T1966] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   73.596530][ T1966] FS:  00007f80fe612840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   73.596763][ T1966] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.596927][ T1966] CR2: 00007f80fe8e21a0 CR3: 0000000010bf9005 CR4: 0000000000771ef0
[   73.597122][ T1966] PKRU: 55555554
[   73.597225][ T1966] Call Trace:
[   73.597323][ T1966]  <TASK>
[   73.597390][ T1966]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.597526][ T1966]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.597625][ T1966]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   73.597760][ T1966]  __dev_notify_flags (net/core/dev.c:9787)
[   73.597892][ T1966]  ? netif_change_name (net/core/dev.c:1495)
[   73.598023][ T1966]  ? __dev_change_flags (net/core/dev.c:9752)
[   73.598156][ T1966]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   73.598293][ T1966]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.598423][ T1966]  ? 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))
[   73.598561][ T1966]  netif_change_flags (net/core/dev.c:9820)
[   73.598698][ T1966]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   73.598828][ T1966]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   73.598962][ T1966]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   73.599094][ T1966]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   73.599261][ T1966]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.599392][ T1966]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.599525][ T1966]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   73.599660][ T1966]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.599791][ T1966]  ? __kernel_text_address (kernel/extable.c:79)
[   73.599924][ T1966]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.600055][ T1966]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.600184][ T1966]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.600319][ T1966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.600451][ T1966]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   73.600584][ T1966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.600797][ T1966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.600928][ T1966]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   73.601060][ T1966]  ? __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)
[   73.601190][ T1966]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   73.601325][ T1966]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.601456][ T1966]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   73.601593][ T1966]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   73.601802][ T1966]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.601935][ T1966]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.602067][ T1966]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.602197][ T1966]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.602331][ T1966]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.602460][ T1966]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.602595][ T1966]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.602812][ T1966]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.603026][ T1966]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.603158][ T1966]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.603295][ T1966]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.603425][ T1966]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.603559][ T1966]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.603754][ T1966]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.603884][ T1966]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.604018][ T1966]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.604147][ T1966]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.604285][ T1966]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.604416][ T1966]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.604550][ T1966]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.604738][ T1966]  ? 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))
[   73.604868][ T1966]  ? 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))
[   73.604999][ T1966]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.605132][ T1966]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.605265][ T1966]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.605397][ T1966]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.605532][ T1966]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.605719][ T1966]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.605853][ T1966]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.605981][ T1966]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.606112][ T1966]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.606278][ T1966]  ? move_addr_to_kernel (net/socket.c:258)
[   73.606410][ T1966]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.606545][ T1966]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.606733][ T1966]  ___sys_sendmsg (net/socket.c:2752)
[   73.606862][ T1966]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   73.607024][ T1966]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.607167][ T1966]  __sys_sendmsg (net/socket.c:2784)
[   73.607303][ T1966]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.607433][ T1966]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   73.607603][ T1966]  ? 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)
[   73.607784][ T1966]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.607915][ T1966]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.608045][ T1966]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.608176][ T1966]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.608314][ T1966]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.608478][ T1966] RIP: 0033:0x7f80fe84c08e
[   73.608620][ T1966] 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
[   73.609088][ T1966] RSP: 002b:00007ffc87d5c830 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.609289][ T1966] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f80fe84c08e
[   73.609484][ T1966] RDX: 0000000000000000 RSI: 00007ffc87d5c8e0 RDI: 0000000000000005
[   73.609690][ T1966] RBP: 00007ffc87d5c840 R08: 0000000000000000 R09: 0000000000000000
[   73.609884][ T1966] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d873
[   73.610079][ T1966] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc87d5cfa0
| [   73.612422][   T36] ------------[ cut here ]------------
| [   73.612557][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/36
| [   73.612800][   T36] Modules linked in: xfrm_user nf_tables
| [   73.613193][   T36] Tainted: [W]=WARN
[   73.613289][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.613437][   T36] Workqueue: events_unbound linkwatch_event
[   73.613595][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.613756][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   73.614181][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   73.614341][   T36] RAX: 00000000ffffffa6 RBX: ff1100000c43c740 RCX: 1ff4000000051f02
[   73.614525][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c43c7fc
[   73.614706][   T36] RBP: ff1100000fb59000 R08: 1fe2200001887901 R09: ff11000001d751a8
[   73.614883][   T36] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   73.615060][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   73.615243][   T36] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   73.615449][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.615600][   T36] CR2: 000055d3d5b6bd5c CR3: 000000000e87b006 CR4: 0000000000771ef0
[   73.615858][   T36] PKRU: 55555554
[   73.615946][   T36] Call Trace:
[   73.616033][   T36]  <TASK>
[   73.616095][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.616214][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   73.616339][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.616508][   T36]  netif_state_change (net/core/dev.c:1605)
[   73.616628][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   73.616781][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   73.616903][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   73.617095][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.617225][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   73.617347][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   73.617465][   T36]  process_one_work (kernel/workqueue.c:3314)
[   73.617668][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   73.617786][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.617908][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   73.618031][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   73.618259][   T36]  kthread (kernel/kthread.c:436)
[   73.618352][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   73.618501][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   73.618622][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   73.618822][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   73.618969][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   73.619091][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   73.619288][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   73.621315][   T36] ------------[ cut here ]------------
| [   73.621442][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/36
| [   73.621762][   T36] Modules linked in: xfrm_user nf_tables
| [   73.622245][   T36] Tainted: [W]=WARN
[   73.622410][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.622561][   T36] Workqueue: events_unbound linkwatch_event
[   73.622719][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.622873][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   73.623376][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   73.623532][   T36] RAX: 00000000ffffffa6 RBX: ff1100000c43ce40 RCX: 1ff4000000051f02
[   73.623725][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c43cefc
[   73.623902][   T36] RBP: ff11000012414000 R08: 1fe22000018879e1 R09: ff11000001d751a8
[   73.624079][   T36] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   73.624259][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   73.624442][   T36] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   73.624655][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.624803][   T36] CR2: 000055d3d5b6bd5c CR3: 000000000e87b006 CR4: 0000000000771ef0
[   73.624986][   T36] PKRU: 55555554
[   73.625075][   T36] Call Trace:
[   73.625163][   T36]  <TASK>
[   73.625229][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.625347][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   73.625467][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.625562][   T36]  netif_state_change (net/core/dev.c:1605)
[   73.625687][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   73.625837][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   73.625961][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   73.626080][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.626202][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   73.626327][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   73.626446][   T36]  process_one_work (kernel/workqueue.c:3314)
[   73.626573][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   73.626694][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.626817][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   73.626943][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   73.627062][   T36]  kthread (kernel/kthread.c:436)
[   73.627151][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   73.627304][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   73.627423][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   73.627544][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   73.627693][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   73.627812][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   73.627931][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   73.805374][ T1974] ------------[ cut here ]------------
| [   73.805576][ T1974] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1974
| [   73.805989][ T1974] Modules linked in: xfrm_user nf_tables
| [   73.806671][ T1974] Tainted: [W]=WARN
[   73.806876][ T1974] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.807145][ T1974] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.807423][ T1974] 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
[   73.807977][ T1974] RSP: 0018:ffa000000298ee30 EFLAGS: 00010286
[   73.808194][ T1974] RAX: 00000000ffffffa6 RBX: ff1100001544fe00 RCX: 1ff4000000531d8c
[   73.808448][ T1974] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001544febc
[   73.808714][ T1974] RBP: ff1100000e80c000 R08: 1fe2200002a89fd9 R09: ff11000008fbd180
[   73.808958][ T1974] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   73.809206][ T1974] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f88e000
[   73.809463][ T1974] FS:  00007f9d5cd28840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   73.809764][ T1974] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.809981][ T1974] CR2: 00000000004eb188 CR3: 0000000012a14004 CR4: 0000000000771ef0
[   73.810237][ T1974] PKRU: 55555554
[   73.810385][ T1974] Call Trace:
[   73.810536][ T1974]  <TASK>
[   73.810670][ T1974]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.810853][ T1974]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.811002][ T1974]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   73.811223][ T1974]  __dev_notify_flags (net/core/dev.c:9787)
[   73.811407][ T1974]  ? netif_change_name (net/core/dev.c:1495)
[   73.811592][ T1974]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.811786][ T1974]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.811971][ T1974]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.812154][ T1974]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   73.812345][ T1974]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.812530][ T1974]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   73.812726][ T1974]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   73.812907][ T1974]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   73.813087][ T1974]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   73.813282][ T1974]  veth_newlink (drivers/net/veth.c:1871)
[   73.813466][ T1974]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   73.813666][ T1974]  ? kasan_save_stack (mm/kasan/common.c:57)
[   73.813848][ T1974]  ? kasan_save_track (mm/kasan/common.c:78)
[   73.814027][ T1974]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   73.814232][ T1974]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   73.814412][ T1974]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   73.814601][ T1974]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   73.814799][ T1974]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   73.814982][ T1974]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   73.815165][ T1974]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   73.815355][ T1974]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   73.815541][ T1974]  ? __dev_get_by_name (net/core/dev.c:883)
[   73.815735][ T1974]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   73.815920][ T1974]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   73.816108][ T1974]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.816299][ T1974]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.816478][ T1974]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.816676][ T1974]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.816857][ T1974]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.817037][ T1974]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.817229][ T1974]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.817412][ T1974]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.817604][ T1974]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.817799][ T1974]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.817979][ T1974]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.818159][ T1974]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.818351][ T1974]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.818532][ T1974]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.818728][ T1974]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.818908][ T1974]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.819093][ T1974]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.819285][ T1974]  ? 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))
[   73.819464][ T1974]  ? 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))
[   73.819669][ T1974]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.819851][ T1974]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.820032][ T1974]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.820214][ T1974]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.820407][ T1974]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.820596][ T1974]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.820792][ T1974]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.820973][ T1974]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.821153][ T1974]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.821373][ T1974]  ? move_addr_to_kernel (net/socket.c:258)
[   73.821563][ T1974]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.821761][ T1974]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   73.821943][ T1974]  ___sys_sendmsg (net/socket.c:2752)
[   73.822123][ T1974]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   73.822313][ T1974]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.822498][ T1974]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   73.822706][ T1974]  ? 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))
[   73.822890][ T1974]  __sys_sendmsg (net/socket.c:2784)
[   73.823070][ T1974]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.823264][ T1974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.823446][ T1974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.823634][ T1974]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.823826][ T1974]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.824006][ T1974]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.824186][ T1974]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.824404][ T1974] RIP: 0033:0x7f9d5cf6208e
[   73.824598][ T1974] 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
[   73.825129][ T1974] RSP: 002b:00007fffbdb6aef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.825383][ T1974] RAX: ffffffffffffffda RBX: 00007fffbdb6b688 RCX: 00007f9d5cf6208e
[   73.825639][ T1974] RDX: 0000000000000000 RSI: 00007fffbdb6afa0 RDI: 0000000000000005
[   73.825898][ T1974] RBP: 00007fffbdb6af00 R08: 0000000000000000 R09: 0000000000000000
[   73.826144][ T1974] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d874
[   73.826394][ T1974] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffbdb6b660
| [   73.840650][ T1974] ------------[ cut here ]------------
| [   73.840805][ T1974] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1974
| [   73.841066][ T1974] Modules linked in: xfrm_user nf_tables
| [   73.841477][ T1974] Tainted: [W]=WARN
[   73.841580][ T1974] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.842470][ T1974] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.842649][ T1974] 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
[   73.843215][ T1974] RSP: 0018:ffa000000298f1b0 EFLAGS: 00010286
[   73.843386][ T1974] RAX: 00000000ffffffa6 RBX: ff110000101b7000 RCX: 1ff4000000531dfc
[   73.843587][ T1974] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b70bc
[   73.843880][ T1974] RBP: ff11000007f71000 R08: 1fe2200002036e19 R09: ff11000008fbd180
[   73.844079][ T1974] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   73.844283][ T1974] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   73.844482][ T1974] FS:  00007f9d5cd28840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   73.844765][ T1974] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.844932][ T1974] CR2: 000055e930c6f010 CR3: 0000000012a14004 CR4: 0000000000771ef0
[   73.845132][ T1974] PKRU: 55555554
[   73.845234][ T1974] Call Trace:
[   73.845332][ T1974]  <TASK>
[   73.845401][ T1974]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.845538][ T1974]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.845638][ T1974]  __dev_notify_flags (net/core/dev.c:9787)
[   73.845776][ T1974]  ? netif_change_name (net/core/dev.c:1495)
[   73.845909][ T1974]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   73.846040][ T1974]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   73.846175][ T1974]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   73.846314][ T1974]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   73.846446][ T1974]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   73.846579][ T1974]  ? __dev_get_by_name (net/core/dev.c:883)
[   73.846716][ T1974]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   73.846853][ T1974]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   73.846991][ T1974]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.847127][ T1974]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.847263][ T1974]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.847394][ T1974]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.847528][ T1974]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.847665][ T1974]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.847802][ T1974]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.847935][ T1974]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.848068][ T1974]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.848202][ T1974]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.848338][ T1974]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.848470][ T1974]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.848606][ T1974]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.848744][ T1974]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.848877][ T1974]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.849009][ T1974]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.849140][ T1974]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.849281][ T1974]  ? 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))
[   73.849412][ T1974]  ? 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))
[   73.849549][ T1974]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.849687][ T1974]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.849819][ T1974]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.849951][ T1974]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.850086][ T1974]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.850225][ T1974]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.850358][ T1974]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.850489][ T1974]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.850624][ T1974]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.850792][ T1974]  ? move_addr_to_kernel (net/socket.c:258)
[   73.850924][ T1974]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.851057][ T1974]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   73.851190][ T1974]  ___sys_sendmsg (net/socket.c:2752)
[   73.851324][ T1974]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   73.851455][ T1974]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.851594][ T1974]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   73.851734][ T1974]  ? 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))
[   73.851867][ T1974]  __sys_sendmsg (net/socket.c:2784)
[   73.852000][ T1974]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.852136][ T1974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.852274][ T1974]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.852405][ T1974]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.852541][ T1974]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.852678][ T1974]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.852811][ T1974]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.852974][ T1974] RIP: 0033:0x7f9d5cf6208e
[   73.853113][ T1974] 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
[   73.853596][ T1974] RSP: 002b:00007fffbdb6aef0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.853799][ T1974] RAX: ffffffffffffffda RBX: 00007fffbdb6b688 RCX: 00007f9d5cf6208e
[   73.853995][ T1974] RDX: 0000000000000000 RSI: 00007fffbdb6afa0 RDI: 0000000000000005
[   73.854194][ T1974] RBP: 00007fffbdb6af00 R08: 0000000000000000 R09: 0000000000000000
[   73.854395][ T1974] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d874
[   73.854596][ T1974] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffbdb6b660
| [   73.964610][ T1978] ------------[ cut here ]------------
| [   73.964769][ T1978] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1978
| [   73.965032][ T1978] Modules linked in: xfrm_user nf_tables
| [   73.965437][ T1978] Tainted: [W]=WARN
[   73.965538][ T1978] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   73.965848][ T1978] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   73.966018][ T1978] 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
[   73.966503][ T1978] RSP: 0018:ffa00000028bf020 EFLAGS: 00010286
[   73.966675][ T1978] RAX: 00000000ffffffa6 RBX: ff1100000532a040 RCX: 1ff4000000517dca
[   73.966869][ T1978] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000532a0fc
[   73.967060][ T1978] RBP: ff11000007f71000 R08: 1fe2200000a65421 R09: ff1100000e600b58
[   73.967261][ T1978] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   73.967454][ T1978] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   73.967657][ T1978] FS:  00007f04d7118840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   73.967884][ T1978] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.968047][ T1978] CR2: 000000001e716988 CR3: 000000000b792003 CR4: 0000000000771ef0
[   73.968249][ T1978] PKRU: 55555554
[   73.968347][ T1978] Call Trace:
[   73.968442][ T1978]  <TASK>
[   73.968514][ T1978]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   73.968648][ T1978]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   73.968754][ T1978]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   73.968884][ T1978]  __dev_notify_flags (net/core/dev.c:9787)
[   73.969014][ T1978]  ? netif_change_name (net/core/dev.c:1495)
[   73.969144][ T1978]  ? __dev_change_flags (net/core/dev.c:9752)
[   73.969281][ T1978]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   73.969410][ T1978]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.969544][ T1978]  ? 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))
[   73.969683][ T1978]  netif_change_flags (net/core/dev.c:9820)
[   73.969814][ T1978]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   73.969944][ T1978]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   73.970076][ T1978]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   73.970207][ T1978]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   73.970374][ T1978]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   73.970510][ T1978]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.970641][ T1978]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   73.970775][ T1978]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.970906][ T1978]  ? __kernel_text_address (kernel/extable.c:79)
[   73.971037][ T1978]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.971168][ T1978]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.971302][ T1978]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.971434][ T1978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.971566][ T1978]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   73.971697][ T1978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.971826][ T1978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.971956][ T1978]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   73.972087][ T1978]  ? __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)
[   73.972222][ T1978]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   73.972352][ T1978]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   73.972485][ T1978]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   73.972623][ T1978]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   73.972761][ T1978]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   73.972893][ T1978]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.973022][ T1978]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.973152][ T1978]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.973289][ T1978]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   73.973418][ T1978]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.973555][ T1978]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.973690][ T1978]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.973820][ T1978]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.973950][ T1978]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   73.974080][ T1978]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   73.974211][ T1978]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   73.974348][ T1978]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.974477][ T1978]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.974611][ T1978]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.974746][ T1978]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   73.974875][ T1978]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   73.975006][ T1978]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   73.975135][ T1978]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   73.975270][ T1978]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   73.975404][ T1978]  ? 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))
[   73.975539][ T1978]  ? 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))
[   73.975676][ T1978]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   73.975807][ T1978]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   73.975938][ T1978]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   73.976070][ T1978]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   73.976201][ T1978]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   73.976339][ T1978]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   73.976470][ T1978]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   73.976606][ T1978]  ? copy_msghdr_from_user (net/socket.c:2635)
[   73.976741][ T1978]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   73.976903][ T1978]  ? move_addr_to_kernel (net/socket.c:258)
[   73.977055][ T1978]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   73.977185][ T1978]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   73.977323][ T1978]  ___sys_sendmsg (net/socket.c:2752)
[   73.977452][ T1978]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   73.977622][ T1978]  ? copy_msghdr_from_user (net/socket.c:2603)
[   73.977769][ T1978]  __sys_sendmsg (net/socket.c:2784)
[   73.977898][ T1978]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   73.978028][ T1978]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   73.978192][ T1978]  ? 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)
[   73.978327][ T1978]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   73.978460][ T1978]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   73.978595][ T1978]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   73.978731][ T1978]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   73.978861][ T1978]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   73.979024][ T1978] RIP: 0033:0x7f04d735208e
[   73.979160][ T1978] 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
[   73.979634][ T1978] RSP: 002b:00007ffc3c0ad470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   73.979849][ T1978] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f04d735208e
[   73.980043][ T1978] RDX: 0000000000000000 RSI: 00007ffc3c0ad520 RDI: 0000000000000005
[   73.980242][ T1978] RBP: 00007ffc3c0ad480 R08: 0000000000000000 R09: 0000000000000000
[   73.980436][ T1978] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d874
[   73.980632][ T1978] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc3c0adbe0
| [   74.089899][ T1982] ------------[ cut here ]------------
| [   74.090050][ T1982] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1982
| [   74.090320][ T1982] Modules linked in: xfrm_user nf_tables
| [   74.090735][ T1982] Tainted: [W]=WARN
[   74.090834][ T1982] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.090997][ T1982] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   74.091165][ T1982] 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
[   74.091639][ T1982] RSP: 0018:ffa00000028bf020 EFLAGS: 00010286
[   74.091809][ T1982] RAX: 00000000ffffffa6 RBX: ff1100000fc65e00 RCX: 1ff4000000517dca
[   74.092003][ T1982] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc65ebc
[   74.092200][ T1982] RBP: ff1100000e80c000 R08: 1fe2200001f8cbd9 R09: ff1100000de80b58
[   74.092401][ T1982] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   74.092601][ T1982] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   74.092802][ T1982] FS:  00007fd3fc648840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   74.093033][ T1982] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.093195][ T1982] CR2: 000000003e9b3988 CR3: 0000000012b8f006 CR4: 0000000000771ef0
[   74.093396][ T1982] PKRU: 55555554
[   74.093494][ T1982] Call Trace:
[   74.093595][ T1982]  <TASK>
[   74.093668][ T1982]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   74.093803][ T1982]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   74.093903][ T1982]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   74.094034][ T1982]  __dev_notify_flags (net/core/dev.c:9787)
[   74.094168][ T1982]  ? netif_change_name (net/core/dev.c:1495)
[   74.094306][ T1982]  ? __dev_change_flags (net/core/dev.c:9752)
[   74.094438][ T1982]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   74.094572][ T1982]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   74.094708][ T1982]  ? 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))
[   74.094842][ T1982]  netif_change_flags (net/core/dev.c:9820)
[   74.094976][ T1982]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   74.095108][ T1982]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   74.095247][ T1982]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   74.095379][ T1982]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   74.095545][ T1982]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   74.095679][ T1982]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   74.095808][ T1982]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   74.095938][ T1982]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   74.096069][ T1982]  ? __kernel_text_address (kernel/extable.c:79)
[   74.096201][ T1982]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   74.096338][ T1982]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   74.096468][ T1982]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   74.096603][ T1982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   74.096739][ T1982]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   74.096869][ T1982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   74.096999][ T1982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   74.097130][ T1982]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   74.097266][ T1982]  ? __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)
[   74.097397][ T1982]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   74.097532][ T1982]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   74.097669][ T1982]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   74.097804][ T1982]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   74.097938][ T1982]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   74.098070][ T1982]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   74.098199][ T1982]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   74.098336][ T1982]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   74.098466][ T1982]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   74.098601][ T1982]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   74.098741][ T1982]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   74.098871][ T1982]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   74.099000][ T1982]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   74.099129][ T1982]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   74.099265][ T1982]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   74.099399][ T1982]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   74.099532][ T1982]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   74.099666][ T1982]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.099795][ T1982]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   74.099929][ T1982]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   74.100058][ T1982]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   74.100191][ T1982]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   74.100326][ T1982]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   74.100459][ T1982]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   74.100598][ T1982]  ? 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))
[   74.100732][ T1982]  ? 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))
[   74.100865][ T1982]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   74.100997][ T1982]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   74.101129][ T1982]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   74.101265][ T1982]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   74.101398][ T1982]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   74.101533][ T1982]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   74.101669][ T1982]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   74.101801][ T1982]  ? copy_msghdr_from_user (net/socket.c:2635)
[   74.101934][ T1982]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   74.102097][ T1982]  ? move_addr_to_kernel (net/socket.c:258)
[   74.102234][ T1982]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   74.102365][ T1982]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   74.102497][ T1982]  ___sys_sendmsg (net/socket.c:2752)
[   74.102630][ T1982]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   74.102795][ T1982]  ? copy_msghdr_from_user (net/socket.c:2603)
[   74.102938][ T1982]  __sys_sendmsg (net/socket.c:2784)
[   74.103069][ T1982]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   74.103199][ T1982]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   74.103370][ T1982]  ? 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)
[   74.103508][ T1982]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   74.103640][ T1982]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   74.103777][ T1982]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   74.103908][ T1982]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   74.104041][ T1982]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   74.104205][ T1982] RIP: 0033:0x7fd3fc88208e
[   74.104352][ T1982] 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
[   74.104830][ T1982] RSP: 002b:00007fff96b0d3d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   74.105026][ T1982] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd3fc88208e
[   74.105226][ T1982] RDX: 0000000000000000 RSI: 00007fff96b0d480 RDI: 0000000000000005
[   74.105423][ T1982] RBP: 00007fff96b0d3e0 R08: 0000000000000000 R09: 0000000000000000
[   74.105623][ T1982] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d874
[   74.105823][ T1982] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff96b0db40
| [   74.108154][   T64] ------------[ cut here ]------------
| [   74.108287][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/64
| [   74.108525][   T64] Modules linked in: xfrm_user nf_tables
| [   74.108989][   T64] Tainted: [W]=WARN
[   74.109085][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.109241][   T64] Workqueue: events_unbound linkwatch_event
[   74.109394][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   74.109554][   T64] 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
[   74.109984][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   74.110139][   T64] RAX: 00000000ffffffa6 RBX: ff1100001544e900 RCX: 1ff400000008af02
[   74.110319][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001544e9bc
[   74.110502][   T64] RBP: ff1100000e80c000 R08: 1fe2200002a89d39 R09: ff11000006100ba8
[   74.110687][   T64] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   74.110867][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   74.111045][   T64] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   74.111256][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.111406][   T64] CR2: 00007fc0ba8db2a0 CR3: 000000004994d002 CR4: 0000000000771ef0
[   74.111586][   T64] PKRU: 55555554
[   74.111681][   T64] Call Trace:
[   74.111770][   T64]  <TASK>
[   74.111832][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   74.111952][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   74.112072][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   74.112165][   T64]  netif_state_change (net/core/dev.c:1605)
[   74.112288][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   74.112438][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   74.112567][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   74.112692][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   74.112816][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   74.112933][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   74.113050][   T64]  process_one_work (kernel/workqueue.c:3314)
[   74.113172][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   74.113296][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   74.113418][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   74.113546][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   74.113666][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   74.113785][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   74.113902][   T64]  kthread (kernel/kthread.c:436)
[   74.113994][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   74.114140][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   74.114263][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   74.114383][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   74.114534][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   74.114661][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   74.114781][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   74.116476][   T64] ------------[ cut here ]------------
| [   74.116616][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/64
| [   74.116871][   T64] Modules linked in: xfrm_user nf_tables
| [   74.117271][   T64] Tainted: [W]=WARN
[   74.117364][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   74.117515][   T64] Workqueue: events_unbound linkwatch_event
[   74.117679][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   74.117833][   T64] 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
[   74.118263][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   74.118412][   T64] RAX: 00000000ffffffa6 RBX: ff1100001544e200 RCX: 1ff400000008af02
[   74.118592][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001544e2bc
[   74.118786][   T64] RBP: ff11000007f71000 R08: 1fe2200002a89c59 R09: ff11000006100ba8
[   74.118961][   T64] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   74.119140][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   74.119324][   T64] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   74.119532][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   74.119686][   T64] CR2: 00007fc0ba8db2a0 CR3: 000000004994d002 CR4: 0000000000771ef0
[   74.119863][   T64] PKRU: 55555554
[   74.119950][   T64] Call Trace:
[   74.120043][   T64]  <TASK>
[   74.120111][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   74.120238][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   74.120357][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   74.120448][   T64]  netif_state_change (net/core/dev.c:1605)
[   74.120570][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   74.120722][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   74.120841][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   74.120966][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   74.121086][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   74.121202][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   74.121325][   T64]  process_one_work (kernel/workqueue.c:3314)
[   74.121448][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   74.121569][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   74.121696][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   74.121817][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   74.121933][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   74.122051][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   74.122168][   T64]  kthread (kernel/kthread.c:436)
[   74.122262][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   74.122412][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   74.122534][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   74.122657][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   74.122811][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   74.122930][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   74.123049][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.226681][   T12] ------------[ cut here ]------------
| [   78.226851][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   78.227092][   T12] Modules linked in: xfrm_user nf_tables
| [   78.227516][   T12] Tainted: [W]=WARN
[   78.227607][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.227767][   T12] Workqueue: netns cleanup_net
[   78.227894][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.228048][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.228479][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   78.228633][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f9311c0 RCX: 1ff4000000018eed
[   78.228818][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f93127c
[   78.228992][   T12] RBP: ff1100001258c000 R08: 1fe2200001f26251 R09: ff11000001aed1d0
[   78.229172][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   78.229363][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.229546][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   78.229761][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.229910][   T12] CR2: 000055d3d5b67ac8 CR3: 000000004994d004 CR4: 0000000000771ef0
[   78.230087][   T12] PKRU: 55555554
[   78.230181][   T12] Call Trace:
[   78.230272][   T12]  <TASK>
[   78.230334][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.230490][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.230640][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   78.230766][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   78.230885][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.231004][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   78.231123][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.231251][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   78.231374][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.231489][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.231614][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.231739][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.231857][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.231977][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.232096][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.232215][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.232340][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.232458][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.232583][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.232710][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.232827][   T12]  kthread (kernel/kthread.c:436)
[   78.232914][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.233061][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.233179][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.233301][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.233446][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.233567][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.233691][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.235913][   T12] ------------[ cut here ]------------
| [   78.236034][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   78.236274][   T12] Modules linked in: xfrm_user nf_tables
| [   78.236666][   T12] Tainted: [W]=WARN
[   78.236754][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.236900][   T12] Workqueue: netns cleanup_net
[   78.237021][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.237171][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.237594][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   78.237746][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f9318c0 RCX: 1ff4000000018eed
[   78.237919][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f93197c
[   78.238093][   T12] RBP: ff1100000f281000 R08: 1fe2200001f26331 R09: ff11000001aed1d0
[   78.238269][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   78.238443][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.238621][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   78.238828][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.238973][   T12] CR2: 000055d3d5b67ac8 CR3: 000000004994d004 CR4: 0000000000771ef0
[   78.239151][   T12] PKRU: 55555554
[   78.239243][   T12] Call Trace:
[   78.239329][   T12]  <TASK>
[   78.239390][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.239541][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.239690][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   78.239807][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   78.239927][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.240044][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   78.240163][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.240286][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   78.240405][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.240525][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.240644][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.240767][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.240884][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.241074][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.241193][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.241321][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.241444][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.241634][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.241761][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.241881][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.242003][   T12]  kthread (kernel/kthread.c:436)
[   78.242164][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.242313][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.242429][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.242550][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.242773][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.242894][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.243010][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.245416][   T12] ------------[ cut here ]------------
| [   78.245535][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   78.245768][   T12] Modules linked in: xfrm_user nf_tables
| [   78.246221][   T12] Tainted: [W]=WARN
[   78.246313][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.246609][   T12] Workqueue: netns cleanup_net
[   78.246735][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.246886][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.247381][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   78.247529][   T12] RAX: 00000000ffffffa6 RBX: ff1100001243e040 RCX: 1ff4000000018eed
[   78.247707][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243e0fc
[   78.247882][   T12] RBP: ff11000014c34000 R08: 1fe2200002487c21 R09: ff11000001aed1d0
[   78.248058][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   78.248237][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.248412][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   78.248619][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.248769][   T12] CR2: 000055d3d5b67ac8 CR3: 000000004994d004 CR4: 0000000000771ef0
[   78.248944][   T12] PKRU: 55555554
[   78.249030][   T12] Call Trace:
[   78.249117][   T12]  <TASK>
[   78.249177][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.249333][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.249475][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   78.249594][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   78.249717][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.249832][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   78.249948][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.250067][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   78.250188][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.250313][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.250432][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.250554][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.250676][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.250793][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.250909][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.251026][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.251147][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.251269][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.251389][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.251513][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.251629][   T12]  kthread (kernel/kthread.c:436)
[   78.251723][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.251866][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.251984][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.252106][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.252254][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.252371][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.252494][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.255191][   T12] ------------[ cut here ]------------
| [   78.255314][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   78.255614][   T12] Modules linked in: xfrm_user nf_tables
| [   78.256072][   T12] Tainted: [W]=WARN
[   78.256160][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.256311][   T12] Workqueue: netns cleanup_net
[   78.256508][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.256741][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.257234][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   78.257386][   T12] RAX: 00000000ffffffa6 RBX: ff1100001243fa80 RCX: 1ff4000000018eed
[   78.257560][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243fb3c
[   78.257739][   T12] RBP: ff11000009b74000 R08: 1fe2200002487f69 R09: ff11000001aed1d0
[   78.257911][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   78.258082][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.258332][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   78.258539][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.258761][   T12] CR2: 000055d3d5b67ac8 CR3: 000000004994d004 CR4: 0000000000771ef0
[   78.258936][   T12] PKRU: 55555554
[   78.259022][   T12] Call Trace:
[   78.259108][   T12]  <TASK>
[   78.259168][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.259391][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.259539][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   78.259661][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   78.259778][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.259963][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   78.260080][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.260197][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   78.260321][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.260437][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.260561][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.260684][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.260804][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.260921][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.261040][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.261158][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.261283][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.261400][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.261522][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.261643][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.261765][   T12]  kthread (kernel/kthread.c:436)
[   78.261852][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.261996][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.262111][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.262235][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.262382][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.262498][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.262619][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.264754][   T12] ------------[ cut here ]------------
| [   78.264873][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   78.265097][   T12] Modules linked in: xfrm_user nf_tables
| [   78.265558][   T12] Tainted: [W]=WARN
[   78.265645][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.265869][   T12] Workqueue: netns cleanup_net
[   78.265988][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.266138][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.266633][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   78.266786][   T12] RAX: 00000000ffffffa6 RBX: ff1100001243ec80 RCX: 1ff4000000018eed
[   78.267030][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243ed3c
[   78.267202][   T12] RBP: ff11000008be9000 R08: 1fe2200002487da9 R09: ff11000001aed1d0
[   78.267457][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   78.267637][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.267815][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   78.268161][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.268312][   T12] CR2: 000055d3d5b67ac8 CR3: 000000004994d004 CR4: 0000000000771ef0
[   78.268488][   T12] PKRU: 55555554
[   78.268648][   T12] Call Trace:
[   78.268740][   T12]  <TASK>
[   78.268800][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.268949][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.269169][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   78.269290][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   78.269408][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.269526][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   78.269722][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.269841][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   78.269958][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.270073][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.270267][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.270383][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.270500][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.270619][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.270810][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.270929][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.271048][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.271164][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.271358][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.271479][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.271596][   T12]  kthread (kernel/kthread.c:436)
[   78.271689][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.271903][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.272018][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.272134][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.272285][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.272471][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.272589][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.292524][   T12] ------------[ cut here ]------------
| [   78.292665][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   78.292910][   T12] Modules linked in: xfrm_user nf_tables
| [   78.293323][   T12] Tainted: [W]=WARN
[   78.293416][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.293574][   T12] Workqueue: netns cleanup_net
[   78.293712][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.293870][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.294317][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   78.294476][   T12] RAX: 00000000ffffffa6 RBX: ff1100001243fc40 RCX: 1ff4000000018eaf
[   78.294665][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243fcfc
[   78.294847][   T12] RBP: ff1100000a299000 R08: 1fe2200002487fa1 R09: ff11000001aed1d0
[   78.295030][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   78.295215][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e4d4000
[   78.295403][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   78.295622][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.295834][   T12] CR2: 000055d3d5b67ac8 CR3: 000000004994d004 CR4: 0000000000771ef0
[   78.296017][   T12] PKRU: 55555554
[   78.296110][   T12] Call Trace:
[   78.296201][   T12]  <TASK>
[   78.296270][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.296393][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.296538][   T12]  netif_close_many (net/core/dev.c:1804)
[   78.296711][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.296833][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.296955][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.297080][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   78.297206][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   78.297364][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   78.297519][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.297643][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.297846][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.297969][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.298090][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.298249][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   78.298374][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.298498][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.298624][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.298799][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.298923][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.299048][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.299171][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.299301][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.299424][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.299547][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.299722][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.299845][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.299969][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.300095][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.300218][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.300352][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.300483][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.300606][   T12]  kthread (kernel/kthread.c:436)
[   78.300754][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.300908][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.301031][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.301156][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.301314][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.301437][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.301564][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.304134][   T12] ------------[ cut here ]------------
| [   78.304275][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   78.304524][   T12] Modules linked in: xfrm_user nf_tables
| [   78.304948][   T12] Tainted: [W]=WARN
[   78.305041][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.305193][   T12] Workqueue: netns cleanup_net
[   78.305325][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.305484][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.305935][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   78.306089][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a42740 RCX: 1ff4000000018eaf
[   78.306275][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a427fc
[   78.306455][   T12] RBP: ff1100000e4d4000 R08: 1fe2200001348501 R09: ff11000001aed1d0
[   78.306642][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   78.306834][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d4b9000
[   78.307016][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   78.307234][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.307389][   T12] CR2: 00007ffe3bb9f718 CR3: 0000000010af5004 CR4: 0000000000771ef0
[   78.307574][   T12] PKRU: 55555554
[   78.307671][   T12] Call Trace:
[   78.307763][   T12]  <TASK>
[   78.307827][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.307949][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   78.308072][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.308167][   T12]  netif_close_many (net/core/dev.c:1804)
[   78.308294][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.308415][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.308540][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.308665][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   78.308787][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   78.308943][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   78.309096][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.309220][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.309377][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.309499][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.309623][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.309781][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   78.309907][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.310031][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.310158][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.310287][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.310409][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.310537][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.310686][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.310811][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.310933][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.311055][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.311180][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.311306][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.311428][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.311557][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.311685][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.311813][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.311940][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.312071][   T12]  kthread (kernel/kthread.c:436)
[   78.312162][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.312318][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.312450][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.312575][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.312733][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.312856][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.312981][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.315254][   T12] ------------[ cut here ]------------
| [   78.315390][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   78.315639][   T12] Modules linked in: xfrm_user nf_tables
| [   78.316053][   T12] Tainted: [W]=WARN
[   78.316145][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.316300][   T12] Workqueue: netns cleanup_net
[   78.316428][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.316589][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.317030][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   78.317183][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a43e00 RCX: 1ff4000000018eaf
[   78.317372][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a43ebc
[   78.317557][   T12] RBP: ff1100000d4b9000 R08: 1fe22000013487d9 R09: ff11000001aed1d0
[   78.317745][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   78.317924][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   78.318117][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   78.318335][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.318488][   T12] CR2: 00007ffe3bb9f718 CR3: 0000000010af5004 CR4: 0000000000771ef0
[   78.318680][   T12] PKRU: 55555554
[   78.318772][   T12] Call Trace:
[   78.318866][   T12]  <TASK>
[   78.318931][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.319054][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   78.319176][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.319278][   T12]  netif_close_many (net/core/dev.c:1804)
[   78.319399][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.319525][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.319646][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.319775][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   78.319897][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   78.320050][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   78.320203][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.320330][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.320481][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.320604][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.320731][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.320885][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   78.321009][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.321132][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.321259][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.321381][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.321510][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.321634][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.321762][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.321887][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.322010][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.322130][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.322259][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.322380][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.322507][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.322633][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.322761][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.322888][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.323015][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.323137][   T12]  kthread (kernel/kthread.c:436)
[   78.323234][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.323388][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.323514][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.323637][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.323794][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.323915][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.324037][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.326630][   T12] ------------[ cut here ]------------
| [   78.326772][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   78.327011][   T12] Modules linked in: xfrm_user nf_tables
| [   78.327416][   T12] Tainted: [W]=WARN
[   78.327507][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.327662][   T12] Workqueue: netns cleanup_net
[   78.327786][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.327938][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.328368][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   78.328523][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a63000 RCX: 1ff4000000018ed5
[   78.328904][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a630bc
[   78.329079][   T12] RBP: ff1100000a299000 R08: 1fe220000134c619 R09: ff11000001aed1d0
[   78.329261][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   78.329437][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.329617][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   78.329943][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.330091][   T12] CR2: 00007ffe3bb9f718 CR3: 0000000010af5004 CR4: 0000000000771ef0
[   78.330271][   T12] PKRU: 55555554
[   78.330359][   T12] Call Trace:
[   78.330446][   T12]  <TASK>
[   78.330512][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.330731][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.330878][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.330996][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.331304][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.331472][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.331599][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.331798][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.331917][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.332082][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.332201][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.332324][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.332447][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.332568][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.332732][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.332850][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.332968][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.333088][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.333212][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.333342][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.333464][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.333589][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.333754][   T12]  kthread (kernel/kthread.c:436)
[   78.333842][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.333988][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.334105][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.334223][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.334376][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.334494][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.334615][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.337237][   T12] ------------[ cut here ]------------
| [   78.337369][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   78.337608][   T12] Modules linked in: xfrm_user nf_tables
| [   78.338445][   T12] Tainted: [W]=WARN
[   78.338538][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.338736][   T12] Workqueue: netns cleanup_net
[   78.338860][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.339014][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.339488][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   78.339643][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a63c40 RCX: 1ff4000000018ed5
[   78.339872][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a63cfc
[   78.340049][   T12] RBP: ff1100000e4d4000 R08: 1fe220000134c7a1 R09: ff11000001aed1d0
[   78.340234][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   78.340411][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.340594][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   78.340849][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.341000][   T12] CR2: 00007fc4872ad668 CR3: 0000000012fed002 CR4: 0000000000771ef0
[   78.341180][   T12] PKRU: 55555554
[   78.341273][   T12] Call Trace:
[   78.341362][   T12]  <TASK>
[   78.341425][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.341578][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.341772][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.341897][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.342014][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.342166][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.342291][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.342410][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.342532][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.342699][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.342821][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.342941][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.343065][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.343188][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.343317][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.343452][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.343574][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.343741][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.343864][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.343983][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.344106][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.344233][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.344351][   T12]  kthread (kernel/kthread.c:436)
[   78.344443][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.344593][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.344766][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.344888][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.345036][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.345155][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.345279][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.348806][   T12] ------------[ cut here ]------------
| [   78.348931][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   78.349166][   T12] Modules linked in: xfrm_user nf_tables
| [   78.349566][   T12] Tainted: [W]=WARN
[   78.349663][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.349812][   T12] Workqueue: netns cleanup_net
[   78.349935][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.350091][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.350525][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   78.350679][   T12] RAX: 00000000ffffffa6 RBX: ff11000004d74e40 RCX: 1ff4000000018ed5
[   78.350855][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004d74efc
[   78.351033][   T12] RBP: ff1100000d4b9000 R08: 1fe22000009ae9e1 R09: ff11000001aed1d0
[   78.351219][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   78.351401][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.351588][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   78.351805][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.351955][   T12] CR2: 00007fc4872ad668 CR3: 0000000012fed002 CR4: 0000000000771ef0
[   78.352134][   T12] PKRU: 55555554
[   78.352224][   T12] Call Trace:
[   78.352318][   T12]  <TASK>
[   78.352380][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.352537][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.352689][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.352808][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.352928][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.353080][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.353201][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.353330][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.353447][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.353571][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.353696][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.353814][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.353937][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.354057][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.354175][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.354300][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.354417][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.354541][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.355593][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.355768][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.355965][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.356090][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.356207][   T12]  kthread (kernel/kthread.c:436)
[   78.356344][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.356496][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.356618][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.356786][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.356934][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.357054][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.357173][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.415692][   T12] ------------[ cut here ]------------
| [   78.415863][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   78.416145][   T12] Modules linked in: xfrm_user nf_tables
| [   78.416645][   T12] Tainted: [W]=WARN
[   78.416983][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.417176][   T12] Workqueue: netns cleanup_net
[   78.417355][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.417563][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.418044][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   78.418275][   T12] RAX: 00000000ffffffa6 RBX: ff1100001243f380 RCX: 1ff4000000018eed
[   78.418496][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243f43c
[   78.418745][   T12] RBP: ff1100000f8bc000 R08: 1fe2200002487e89 R09: ff11000001aed1d0
[   78.418964][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   78.419184][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.419416][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   78.419690][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.419883][   T12] CR2: 000055d3d5b6bd5c CR3: 0000000010af5003 CR4: 0000000000771ef0
[   78.420113][   T12] PKRU: 55555554
[   78.420254][   T12] Call Trace:
[   78.420388][   T12]  <TASK>
[   78.420495][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.420715][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.420911][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   78.421077][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   78.421252][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.421418][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   78.421592][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.421774][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   78.421941][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.422105][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.422288][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.422458][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.422629][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.422837][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.423003][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.423177][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.423358][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.423528][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.423708][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.423879][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.424044][   T12]  kthread (kernel/kthread.c:436)
[   78.424187][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.424394][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.424574][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.424755][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.424952][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.425119][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.425295][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.427959][   T12] ------------[ cut here ]------------
| [   78.428121][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   78.428404][   T12] Modules linked in: xfrm_user nf_tables
| [   78.428977][   T12] Tainted: [W]=WARN
[   78.429201][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.429421][   T12] Workqueue: netns cleanup_net
[   78.429597][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.429820][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.430291][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   78.430487][   T12] RAX: 00000000ffffffa6 RBX: ff1100001243e3c0 RCX: 1ff4000000018eed
[   78.430726][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243e47c
[   78.430945][   T12] RBP: ff1100000fd21000 R08: 1fe2200002487c91 R09: ff11000001aed1d0
[   78.431179][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   78.431406][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.431635][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   78.431897][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.432094][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   78.432325][   T12] PKRU: 55555554
[   78.432489][   T12] Call Trace:
[   78.432630][   T12]  <TASK>
[   78.432750][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.432947][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.433138][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   78.433315][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   78.433479][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.433652][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   78.433829][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.433996][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   78.434164][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.434335][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.434505][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.434690][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.434854][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.435019][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.435183][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.435358][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.435530][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.435703][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.435877][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.436048][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.436212][   T12]  kthread (kernel/kthread.c:436)
[   78.436357][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.436556][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.436733][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.436900][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.437095][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.437266][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.437432][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.440105][   T12] ------------[ cut here ]------------
| [   78.440269][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   78.440572][   T12] Modules linked in: xfrm_user nf_tables
| [   78.441553][   T12] Tainted: [W]=WARN
[   78.441748][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.441985][   T12] Workqueue: netns cleanup_net
[   78.442201][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.442456][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.442987][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   78.443237][   T12] RAX: 00000000ffffffa6 RBX: ff11000012120580 RCX: 1ff4000000018eed
[   78.443503][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001212063c
[   78.443786][   T12] RBP: ff11000013bf1000 R08: 1fe22000024240c9 R09: ff11000001aed1d0
[   78.444050][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   78.444322][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.444592][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   78.444898][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.445138][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   78.445409][   T12] PKRU: 55555554
[   78.445593][   T12] Call Trace:
[   78.445782][   T12]  <TASK>
[   78.445961][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.446253][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.446554][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   78.446824][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   78.447079][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.447343][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   78.447609][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.447876][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   78.448089][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.448289][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.448460][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.448636][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.448814][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.448987][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.449153][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.449332][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.449504][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.449688][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.449861][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.450032][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.450200][   T12]  kthread (kernel/kthread.c:436)
[   78.450345][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.450545][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.450755][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.450921][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.451115][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.451289][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.451462][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.453945][   T12] ------------[ cut here ]------------
| [   78.454103][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   78.454386][   T12] Modules linked in: xfrm_user nf_tables
| [   78.455295][   T12] Tainted: [W]=WARN
[   78.455477][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.455737][   T12] Workqueue: netns cleanup_net
[   78.455953][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.456200][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.456732][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   78.456984][   T12] RAX: 00000000ffffffa6 RBX: ff11000012121e00 RCX: 1ff4000000018eed
[   78.457256][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012121ebc
[   78.457528][   T12] RBP: ff11000009b61000 R08: 1fe22000024243d9 R09: ff11000001aed1d0
[   78.457804][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   78.458071][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.458345][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   78.458698][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.458937][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   78.459242][   T12] PKRU: 55555554
[   78.459449][   T12] Call Trace:
[   78.459635][   T12]  <TASK>
[   78.459801][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.460044][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.460287][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   78.460520][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   78.460807][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.461064][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   78.461336][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.461601][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   78.461869][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.462123][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.462366][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.462534][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.462713][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.462886][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.463052][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.463218][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.463396][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.463567][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.463751][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.463929][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.464100][   T12]  kthread (kernel/kthread.c:436)
[   78.464242][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.464440][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.464613][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.464793][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.464986][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.465150][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.465327][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.467779][   T12] ------------[ cut here ]------------
| [   78.467940][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   78.468224][   T12] Modules linked in: xfrm_user nf_tables
| [   78.469147][   T12] Tainted: [W]=WARN
[   78.469342][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.469586][   T12] Workqueue: netns cleanup_net
[   78.469819][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.470066][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.470588][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   78.470854][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fecdc40 RCX: 1ff4000000018eed
[   78.471148][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fecdcfc
[   78.471421][   T12] RBP: ff1100000a291000 R08: 1fe2200001fd9ba1 R09: ff11000001aed1d0
[   78.471737][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   78.472004][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.472279][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   78.472577][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.472830][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   78.473096][   T12] PKRU: 55555554
[   78.473281][   T12] Call Trace:
[   78.473459][   T12]  <TASK>
[   78.473619][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.473876][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.474111][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   78.474329][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   78.474551][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.474777][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   78.474989][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.475201][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   78.475418][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.475638][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.475868][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.476079][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.476297][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.476550][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.476779][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.476995][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.477255][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.477518][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.477810][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.478071][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.478335][   T12]  kthread (kernel/kthread.c:436)
[   78.478573][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.478805][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.478970][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.479146][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.479356][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.479525][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.479705][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.494969][   T12] ------------[ cut here ]------------
| [   78.495143][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   78.495443][   T12] Modules linked in: xfrm_user nf_tables
| [   78.496449][   T12] Tainted: [W]=WARN
[   78.496607][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.496827][   T12] Workqueue: netns cleanup_net
[   78.497011][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.497221][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.497737][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   78.497939][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fecde00 RCX: 1ff4000000018eaf
[   78.498171][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fecdebc
[   78.498414][   T12] RBP: ff11000004f2c000 R08: 1fe2200001fd9bd9 R09: ff11000001aed1d0
[   78.498697][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   78.498928][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f8e9000
[   78.499162][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   78.499430][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.499643][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   78.499895][   T12] PKRU: 55555554
[   78.500034][   T12] Call Trace:
[   78.500173][   T12]  <TASK>
[   78.500293][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.500467][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.500624][   T12]  netif_close_many (net/core/dev.c:1804)
[   78.500815][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.500988][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.501163][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.501344][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   78.501523][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   78.501738][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   78.501944][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.502116][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.502326][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.502504][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.502694][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.502898][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   78.503072][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.503253][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.503425][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.503610][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.503802][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.503976][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.504148][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.504331][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.504507][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.504694][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.504868][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.505041][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.505220][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.505405][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.505585][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.505771][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.505948][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.506119][   T12]  kthread (kernel/kthread.c:436)
[   78.506267][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.506474][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.506667][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.506842][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.507044][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.507217][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.507400][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.510198][   T12] ------------[ cut here ]------------
| [   78.510374][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   78.511155][   T12] Modules linked in: xfrm_user nf_tables
| [   78.511812][   T12] Tainted: [W]=WARN
[   78.512030][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.512289][   T12] Workqueue: netns cleanup_net
[   78.512543][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.512850][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.513392][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   78.513603][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ffd4200 RCX: 1ff4000000018eaf
[   78.513850][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ffd42bc
[   78.514081][   T12] RBP: ff1100000f8e9000 R08: 1fe2200001ffa859 R09: ff11000001aed1d0
[   78.514321][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   78.514559][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014cf1000
[   78.514806][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   78.515072][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.515281][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   78.515517][   T12] PKRU: 55555554
[   78.515671][   T12] Call Trace:
[   78.515811][   T12]  <TASK>
[   78.515923][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.516104][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   78.516279][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.516422][   T12]  netif_close_many (net/core/dev.c:1804)
[   78.516603][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.516785][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.516958][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.517129][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   78.517309][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   78.517513][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   78.517733][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.517907][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.518106][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.518288][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.518460][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.518689][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   78.518864][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.519039][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.519211][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.519393][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.519577][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.519768][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.519942][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.520144][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.520326][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.520495][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.520690][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.520861][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.521038][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.521239][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.521412][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.521595][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.521814][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.521987][   T12]  kthread (kernel/kthread.c:436)
[   78.522126][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.522337][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.522513][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.522734][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.522941][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.523113][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.523294][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.525998][   T12] ------------[ cut here ]------------
| [   78.526164][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   78.526460][   T12] Modules linked in: xfrm_user nf_tables
| [   78.527122][   T12] Tainted: [W]=WARN
[   78.527357][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.527616][   T12] Workqueue: netns cleanup_net
[   78.527852][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.528109][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.528674][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   78.528925][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ffd58c0 RCX: 1ff4000000018eaf
[   78.529200][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ffd597c
[   78.529485][   T12] RBP: ff11000014cf1000 R08: 1fe2200001ffab31 R09: ff11000001aed1d0
[   78.529783][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   78.530061][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   78.530347][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   78.530683][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.530934][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   78.531213][   T12] PKRU: 55555554
[   78.531407][   T12] Call Trace:
[   78.531599][   T12]  <TASK>
[   78.531771][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.531991][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   78.532211][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.532410][   T12]  netif_close_many (net/core/dev.c:1804)
[   78.532638][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.532868][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.533086][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.533312][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   78.533540][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   78.533808][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   78.534059][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.534286][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.534545][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.534777][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.534993][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.535248][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   78.535473][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.535800][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.536090][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.536338][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.536626][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.536809][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.536976][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.537149][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.537333][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.537503][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.537693][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.537864][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.538036][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.538210][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.538386][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.538571][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.538761][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.538931][   T12]  kthread (kernel/kthread.c:436)
[   78.539071][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.539278][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.539449][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.539625][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.539843][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.540014][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.540184][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.542873][   T12] ------------[ cut here ]------------
| [   78.543041][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   78.543328][   T12] Modules linked in: xfrm_user nf_tables
| [   78.544303][   T12] Tainted: [W]=WARN
[   78.544494][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.544759][   T12] Workqueue: netns cleanup_net
[   78.544975][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.545223][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.545769][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   78.546008][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d362ac0 RCX: 1ff4000000018ed5
[   78.546282][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d362b7c
[   78.546556][   T12] RBP: ff11000004f2c000 R08: 1fe2200001a6c571 R09: ff11000001aed1d0
[   78.546834][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   78.547104][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.547412][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   78.547733][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.547975][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   78.548254][   T12] PKRU: 55555554
[   78.548433][   T12] Call Trace:
[   78.548620][   T12]  <TASK>
[   78.548783][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.549029][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.549275][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.549486][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.549714][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.549962][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.550205][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.550429][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.550670][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.550899][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.551253][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.551560][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.551753][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.551921][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.552085][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.552259][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.552438][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.552617][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.552797][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.552963][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.553136][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.553313][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.553480][   T12]  kthread (kernel/kthread.c:436)
[   78.553621][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.553827][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.553994][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.554161][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.554365][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.554534][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.554716][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.557576][   T12] ------------[ cut here ]------------
| [   78.558178][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   78.558530][   T12] Modules linked in: xfrm_user nf_tables
| [   78.559128][   T12] Tainted: [W]=WARN
[   78.559317][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.559565][   T12] Workqueue: netns cleanup_net
[   78.559796][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.560046][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.560578][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   78.560834][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d363700 RCX: 1ff4000000018ed5
[   78.561100][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3637bc
[   78.561376][   T12] RBP: ff1100000f8e9000 R08: 1fe2200001a6c6f9 R09: ff11000001aed1d0
[   78.561666][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   78.561935][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.562214][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   78.562581][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.562834][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   78.563103][   T12] PKRU: 55555554
[   78.563286][   T12] Call Trace:
[   78.563466][   T12]  <TASK>
[   78.563630][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.563888][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.564128][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.564347][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.564566][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.564829][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.565042][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.565263][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.565497][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.565775][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.566035][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.566242][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.566413][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.566588][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.566764][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.566933][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.567098][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.567275][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.567444][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.567619][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.567798][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.567968][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.568133][   T12]  kthread (kernel/kthread.c:436)
[   78.568276][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.568470][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.568643][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.568823][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.569023][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.569190][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.569365][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.572198][   T12] ------------[ cut here ]------------
| [   78.572368][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   78.573140][   T12] Modules linked in: xfrm_user nf_tables
| [   78.573799][   T12] Tainted: [W]=WARN
[   78.573980][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.574218][   T12] Workqueue: netns cleanup_net
[   78.574443][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.574712][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.575225][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   78.575475][   T12] RAX: 00000000ffffffa6 RBX: ff11000009b8b8c0 RCX: 1ff4000000018ed5
[   78.575796][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009b8b97c
[   78.576059][   T12] RBP: ff11000014cf1000 R08: 1fe2200001371731 R09: ff11000001aed1d0
[   78.576337][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   78.576610][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.576893][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   78.577191][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.577437][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   78.577726][   T12] PKRU: 55555554
[   78.577906][   T12] Call Trace:
[   78.578087][   T12]  <TASK>
[   78.578248][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.578497][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.578766][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.579032][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.579304][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.579554][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.579734][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.579905][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.580072][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.580246][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.580415][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.580586][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.580765][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.580934][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.581098][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.581277][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.581443][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.581618][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.581801][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.581968][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.582139][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.582320][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.582488][   T12]  kthread (kernel/kthread.c:436)
[   78.582633][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.582839][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.583006][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.583172][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.583374][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.583546][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.583730][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.619256][   T12] ------------[ cut here ]------------
| [   78.619435][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   78.619732][   T12] Modules linked in: xfrm_user nf_tables
| [   78.620208][   T12] Tainted: [W]=WARN
[   78.620351][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.620548][   T12] Workqueue: netns cleanup_net
[   78.620843][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.621040][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.621508][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   78.621723][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be9f700 RCX: 1ff4000000018eed
[   78.621942][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be9f7bc
[   78.622161][   T12] RBP: ff11000009921000 R08: 1fe22000017d3ef9 R09: ff11000001aed1d0
[   78.622390][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   78.622617][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.622850][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   78.623101][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.623303][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   78.623529][   T12] PKRU: 55555554
[   78.623676][   T12] Call Trace:
[   78.623842][   T12]  <TASK>
[   78.623952][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.624148][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.624350][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   78.624519][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   78.624698][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.624862][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   78.625027][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.625198][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   78.625370][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.625537][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.625718][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.625885][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.626051][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.626219][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.626395][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.626570][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.626752][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.626946][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.627116][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.627295][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.627461][   T12]  kthread (kernel/kthread.c:436)
[   78.627610][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.627845][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.628011][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.628179][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.628380][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.628551][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.628736][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.631370][   T12] ------------[ cut here ]------------
| [   78.631540][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   78.632334][   T12] Modules linked in: xfrm_user nf_tables
| [   78.632831][   T12] Tainted: [W]=WARN
[   78.632965][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.633157][   T12] Workqueue: netns cleanup_net
[   78.633335][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.633540][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.634016][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   78.634209][   T12] RAX: 00000000ffffffa6 RBX: ff1100000be9fe00 RCX: 1ff4000000018eed
[   78.634437][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000be9febc
[   78.634678][   T12] RBP: ff11000009b54000 R08: 1fe22000017d3fd9 R09: ff11000001aed1d0
[   78.634895][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   78.635116][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.635347][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   78.635607][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.635812][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   78.636035][   T12] PKRU: 55555554
[   78.636181][   T12] Call Trace:
[   78.636353][   T12]  <TASK>
[   78.636460][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.636680][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.636900][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   78.637065][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   78.637242][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.637405][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   78.637579][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.637761][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   78.637930][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.638093][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.638267][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.638431][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.638605][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.638783][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.638946][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.639110][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.639282][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.639446][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.639620][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.639805][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.639967][   T12]  kthread (kernel/kthread.c:436)
[   78.640102][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.640303][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.640468][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.640639][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.640845][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.641012][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.641177][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.643795][   T12] ------------[ cut here ]------------
| [   78.643954][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   78.644239][   T12] Modules linked in: xfrm_user nf_tables
| [   78.645159][   T12] Tainted: [W]=WARN
[   78.645351][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.645597][   T12] Workqueue: netns cleanup_net
[   78.645828][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.646074][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.646593][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   78.646857][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dd2a580 RCX: 1ff4000000018eed
[   78.647122][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd2a63c
[   78.647394][   T12] RBP: ff11000014c14000 R08: 1fe2200001ba54c9 R09: ff11000001aed1d0
[   78.647679][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   78.647942][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.648212][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   78.648519][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.648775][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   78.649041][   T12] PKRU: 55555554
[   78.649218][   T12] Call Trace:
[   78.649402][   T12]  <TASK>
[   78.649610][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.649911][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.650154][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   78.650331][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   78.650504][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.650688][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   78.650855][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.651036][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   78.651202][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.651371][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.651543][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.651725][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.651887][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.652052][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.652217][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.652399][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.652579][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.652760][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.652929][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.653099][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.653277][   T12]  kthread (kernel/kthread.c:436)
[   78.653414][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.653619][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.653795][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.653960][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.654154][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.654327][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.654493][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.656968][   T12] ------------[ cut here ]------------
| [   78.657126][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   78.657408][   T12] Modules linked in: xfrm_user nf_tables
| [   78.658371][   T12] Tainted: [W]=WARN
[   78.658598][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.658886][   T12] Workqueue: netns cleanup_net
[   78.659099][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.659384][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.659912][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   78.660151][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dd2a900 RCX: 1ff4000000018eed
[   78.660439][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd2a9bc
[   78.660723][   T12] RBP: ff110000058cc000 R08: 1fe2200001ba5539 R09: ff11000001aed1d0
[   78.661017][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   78.661288][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.661593][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   78.661902][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.662140][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   78.662444][   T12] PKRU: 55555554
[   78.662630][   T12] Call Trace:
[   78.662822][   T12]  <TASK>
[   78.662978][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.663220][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.663464][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   78.663698][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   78.663910][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.664117][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   78.664334][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.664558][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   78.664783][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.664991][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.665202][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.665419][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.665678][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.665887][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.666098][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.666363][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.666629][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.666914][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.667175][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.667446][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.667724][   T12]  kthread (kernel/kthread.c:436)
[   78.667950][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.668247][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.668461][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.668632][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.668840][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.669007][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.669202][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.671667][   T12] ------------[ cut here ]------------
| [   78.671826][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   78.672102][   T12] Modules linked in: xfrm_user nf_tables
| [   78.672595][   T12] Tainted: [W]=WARN
[   78.673012][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.673262][   T12] Workqueue: netns cleanup_net
[   78.673478][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.673770][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.674289][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   78.674538][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dd2ac80 RCX: 1ff4000000018eed
[   78.674822][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd2ad3c
[   78.675089][   T12] RBP: ff1100001098c000 R08: 1fe2200001ba55a9 R09: ff11000001aed1d0
[   78.675363][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   78.675635][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.675920][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   78.676218][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.676466][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   78.676757][   T12] PKRU: 55555554
[   78.676935][   T12] Call Trace:
[   78.677112][   T12]  <TASK>
[   78.677274][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.677533][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.677785][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   78.677997][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   78.678208][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.678428][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   78.678647][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.678913][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   78.679123][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.679384][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.679759][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.680019][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.680282][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.680529][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.680703][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.680871][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.681040][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.681204][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.681381][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.681561][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.681741][   T12]  kthread (kernel/kthread.c:436)
[   78.681878][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.682075][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.682246][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.682415][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.682615][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.682792][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.682960][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.698340][   T12] ------------[ cut here ]------------
| [   78.698510][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   78.699268][   T12] Modules linked in: xfrm_user nf_tables
| [   78.699828][   T12] Tainted: [W]=WARN
[   78.699973][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.700176][   T12] Workqueue: netns cleanup_net
[   78.700365][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.700584][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.701080][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   78.701295][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dd2ae40 RCX: 1ff4000000018eaf
[   78.701531][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd2aefc
[   78.701775][   T12] RBP: ff1100000f819000 R08: 1fe2200001ba55e1 R09: ff11000001aed1d0
[   78.702004][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   78.702241][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010911000
[   78.702477][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   78.702765][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.702968][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   78.703200][   T12] PKRU: 55555554
[   78.703344][   T12] Call Trace:
[   78.703483][   T12]  <TASK>
[   78.703603][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.703790][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.703933][   T12]  netif_close_many (net/core/dev.c:1804)
[   78.704106][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.704278][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.704451][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.704628][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   78.704814][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   78.705029][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   78.705241][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.705413][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.705620][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.705805][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.705975][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.706177][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   78.706365][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.706543][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.706730][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.706903][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.707077][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.707258][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.707430][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.707616][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.707801][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.707971][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.708142][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.708322][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.708496][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.708694][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.708868][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.709045][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.709222][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.709405][   T12]  kthread (kernel/kthread.c:436)
[   78.709552][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.709786][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.709963][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.710138][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.710366][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.710544][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.710731][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.713537][   T12] ------------[ cut here ]------------
| [   78.714045][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   78.714297][   T12] Modules linked in: xfrm_user nf_tables
| [   78.714783][   T12] Tainted: [W]=WARN
[   78.714877][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.715030][   T12] Workqueue: netns cleanup_net
[   78.715158][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.715323][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.715843][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   78.715999][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b63c0 RCX: 1ff4000000018eaf
[   78.716258][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b647c
[   78.716445][   T12] RBP: ff11000010911000 R08: 1fe2200002036c91 R09: ff11000001aed1d0
[   78.716631][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   78.716885][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012229000
[   78.717071][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   78.717295][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.717452][   T12] CR2: 00007f611ef7e000 CR3: 0000000013bbb003 CR4: 0000000000771ef0
[   78.717640][   T12] PKRU: 55555554
[   78.717792][   T12] Call Trace:
[   78.717886][   T12]  <TASK>
[   78.717951][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.718076][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   78.718199][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.718300][   T12]  netif_close_many (net/core/dev.c:1804)
[   78.718424][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.718549][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.718861][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.718986][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   78.719109][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   78.719270][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   78.719424][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.719553][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.719799][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.719924][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.720047][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.720200][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   78.720332][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.720455][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.720584][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.720802][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.720926][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.721051][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.721173][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.721399][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.721526][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.721648][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.721870][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.721993][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.722116][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.722251][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.722374][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.722505][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.722635][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.722854][   T12]  kthread (kernel/kthread.c:436)
[   78.722947][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.723100][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.723223][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.723349][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.723580][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.723770][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.723894][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.727005][   T12] ------------[ cut here ]------------
| [   78.727129][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   78.727374][   T12] Modules linked in: xfrm_user nf_tables
| [   78.727792][   T12] Tainted: [W]=WARN
[   78.727886][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.728039][   T12] Workqueue: netns cleanup_net
[   78.728168][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.728333][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.728785][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   78.728938][   T12] RAX: 00000000ffffffa6 RBX: ff11000014d3a3c0 RCX: 1ff4000000018eaf
[   78.729125][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d3a47c
[   78.729320][   T12] RBP: ff11000012229000 R08: 1fe22000029a7491 R09: ff11000001aed1d0
[   78.729507][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   78.729770][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   78.729956][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   78.730174][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.730333][   T12] CR2: 00007f611ef7e000 CR3: 000000004994d004 CR4: 0000000000771ef0
[   78.730525][   T12] PKRU: 55555554
[   78.730619][   T12] Call Trace:
[   78.730767][   T12]  <TASK>
[   78.730831][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.731020][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   78.731143][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.731242][   T12]  netif_close_many (net/core/dev.c:1804)
[   78.731365][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.731497][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.731628][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.731820][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   78.731944][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   78.732099][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   78.732260][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.732383][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.732541][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.732718][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.732847][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.733000][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   78.733126][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.733257][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.733383][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.733511][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.733637][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.733832][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.733955][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.734080][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.734205][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.734332][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.734458][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.734584][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.734775][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.734903][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.735026][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.735153][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.735287][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.735409][   T12]  kthread (kernel/kthread.c:436)
[   78.735506][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.735718][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.735844][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.735968][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.736122][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.736249][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.736373][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.740194][   T12] ------------[ cut here ]------------
| [   78.740332][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   78.740573][   T12] Modules linked in: xfrm_user nf_tables
| [   78.741212][   T12] Tainted: [W]=WARN
[   78.741311][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.741460][   T12] Workqueue: netns cleanup_net
[   78.741589][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.741761][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.742183][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   78.742339][   T12] RAX: 00000000ffffffa6 RBX: ff11000014d3b540 RCX: 1ff4000000018ed5
[   78.742520][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d3b5fc
[   78.742703][   T12] RBP: ff1100000f819000 R08: 1fe22000029a76c1 R09: ff11000001aed1d0
[   78.742878][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   78.743053][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.743237][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   78.743446][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.743598][   T12] CR2: 00007fbd3570c668 CR3: 0000000004e87003 CR4: 0000000000771ef0
[   78.743781][   T12] PKRU: 55555554
[   78.743868][   T12] Call Trace:
[   78.743958][   T12]  <TASK>
[   78.744021][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.744176][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.744326][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.744443][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.744563][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.744720][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.744841][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.744960][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.745079][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.745198][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.745328][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.745445][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.745570][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.745694][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.745815][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.745935][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.746052][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.746171][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.746301][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.746420][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.746546][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.746677][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.746806][   T12]  kthread (kernel/kthread.c:436)
[   78.746899][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.747046][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.747164][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.747292][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.747439][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.747563][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.747687][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.750096][   T12] ------------[ cut here ]------------
| [   78.750215][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   78.750456][   T12] Modules linked in: xfrm_user nf_tables
| [   78.750859][   T12] Tainted: [W]=WARN
[   78.750949][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.751104][   T12] Workqueue: netns cleanup_net
[   78.751228][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.751387][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.751815][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   78.751966][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d438200 RCX: 1ff4000000018ed5
[   78.752144][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d4382bc
[   78.752323][   T12] RBP: ff11000010911000 R08: 1fe2200001a87059 R09: ff11000001aed1d0
[   78.752499][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   78.752686][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.752864][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   78.753070][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.753218][   T12] CR2: 00007fbd3570c668 CR3: 0000000004e87003 CR4: 0000000000771ef0
[   78.753400][   T12] PKRU: 55555554
[   78.753489][   T12] Call Trace:
[   78.753583][   T12]  <TASK>
[   78.753644][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.753867][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.754014][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.754132][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.754255][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.754407][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.754532][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.754715][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.754835][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.754955][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.755075][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.755193][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.755319][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.755438][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.755562][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.755748][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.755866][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.756051][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.756173][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.756296][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.756418][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.756546][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.756845][   T12]  kthread (kernel/kthread.c:436)
[   78.756934][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.757085][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.757204][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.757329][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.757481][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.757604][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.757812][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.769160][   T12] ------------[ cut here ]------------
| [   78.769293][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   78.769531][   T12] Modules linked in: xfrm_user nf_tables
| [   78.769935][   T12] Tainted: [W]=WARN
[   78.770027][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.770173][   T12] Workqueue: netns cleanup_net
[   78.770303][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.770457][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.770885][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   78.771035][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d438e40 RCX: 1ff4000000018ed5
[   78.771212][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d438efc
[   78.771394][   T12] RBP: ff11000012229000 R08: 1fe2200001a871e1 R09: ff11000001aed1d0
[   78.771573][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   78.771752][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.771931][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   78.772136][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.772289][   T12] CR2: 00007fbd3570c668 CR3: 0000000004e87003 CR4: 0000000000771ef0
[   78.772471][   T12] PKRU: 55555554
[   78.772563][   T12] Call Trace:
[   78.772661][   T12]  <TASK>
[   78.772725][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.772877][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.773025][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.773145][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.773269][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.773421][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.773544][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.773667][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.773786][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.773905][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.774026][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.774147][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.774273][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.774395][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.774514][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.774638][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.774762][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.774882][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.775003][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.775121][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.775251][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.775374][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.775492][   T12]  kthread (kernel/kthread.c:436)
[   78.775584][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.775737][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.775855][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.775973][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.776121][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.776243][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.776363][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.818926][   T12] ------------[ cut here ]------------
| [   78.819061][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   78.819299][   T12] Modules linked in: xfrm_user nf_tables
| [   78.819709][   T12] Tainted: [W]=WARN
[   78.819799][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.819944][   T12] Workqueue: netns cleanup_net
[   78.820065][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.820215][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.820638][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   78.820803][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d439c40 RCX: 1ff4000000018eed
[   78.820976][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d439cfc
[   78.821147][   T12] RBP: ff11000009834000 R08: 1fe2200001a873a1 R09: ff11000001aed1d0
[   78.821327][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   78.821499][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.821683][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   78.821884][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.822029][   T12] CR2: 000055d401a0e518 CR3: 000000004994d004 CR4: 0000000000771ef0
[   78.822207][   T12] PKRU: 55555554
[   78.822299][   T12] Call Trace:
[   78.822387][   T12]  <TASK>
[   78.822451][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.822600][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.822747][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   78.822863][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   78.822985][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.823102][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   78.823219][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.823346][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   78.823465][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.823587][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.823713][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.823831][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.823947][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.824064][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.824264][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.824402][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.824531][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.824646][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.824777][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.824899][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.825017][   T12]  kthread (kernel/kthread.c:436)
[   78.825109][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.825259][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.825376][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.825493][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.825642][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.825764][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.825882][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.828556][   T12] ------------[ cut here ]------------
| [   78.828820][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   78.829068][   T12] Modules linked in: xfrm_user nf_tables
| [   78.829457][   T12] Tainted: [W]=WARN
[   78.829550][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.829748][   T12] Workqueue: netns cleanup_net
[   78.829870][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.830020][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.830459][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   78.830610][   T12] RAX: 00000000ffffffa6 RBX: ff110000109cc900 RCX: 1ff4000000018eed
[   78.830791][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109cc9bc
[   78.830961][   T12] RBP: ff11000009899000 R08: 1fe2200002139939 R09: ff11000001aed1d0
[   78.831130][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   78.831308][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.831480][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   78.831688][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.831832][   T12] CR2: 000055d401a0e518 CR3: 000000004994d004 CR4: 0000000000771ef0
[   78.832006][   T12] PKRU: 55555554
[   78.832093][   T12] Call Trace:
[   78.832178][   T12]  <TASK>
[   78.832244][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.832390][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.832536][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   78.832657][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   78.832775][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.832895][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   78.833011][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.833127][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   78.833247][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.833361][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.833478][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.833597][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.833716][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.833832][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.833948][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.834065][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.834184][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.834303][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.834422][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.834549][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.834666][   T12]  kthread (kernel/kthread.c:436)
[   78.834754][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.834898][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.835014][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.835129][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.835280][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.835395][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.835513][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.837716][   T12] ------------[ cut here ]------------
| [   78.837877][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   78.838122][   T12] Modules linked in: xfrm_user nf_tables
| [   78.838515][   T12] Tainted: [W]=WARN
[   78.838605][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.838759][   T12] Workqueue: netns cleanup_net
[   78.838878][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.839037][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.839448][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   78.839594][   T12] RAX: 00000000ffffffa6 RBX: ff110000109cd1c0 RCX: 1ff4000000018eed
[   78.839770][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109cd27c
[   78.839940][   T12] RBP: ff11000008c01000 R08: 1fe2200002139a51 R09: ff11000001aed1d0
[   78.840109][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   78.840286][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.840458][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   78.840665][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.840810][   T12] CR2: 000055d401a0e518 CR3: 000000004994d004 CR4: 0000000000771ef0
[   78.840981][   T12] PKRU: 55555554
[   78.841067][   T12] Call Trace:
[   78.841152][   T12]  <TASK>
[   78.841213][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.841374][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.841517][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   78.841634][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   78.841754][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.841870][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   78.841986][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.842102][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   78.842220][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.842338][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.842455][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.842573][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.842691][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.842812][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.842925][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.843045][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.843165][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.843285][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.843405][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.843528][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.843642][   T12]  kthread (kernel/kthread.c:436)
[   78.843734][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.843877][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.843994][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.844108][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.844257][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.844370][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.844485][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.846590][   T12] ------------[ cut here ]------------
| [   78.846775][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   78.847016][   T12] Modules linked in: xfrm_user nf_tables
| [   78.847413][   T12] Tainted: [W]=WARN
[   78.847500][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.847711][   T12] Workqueue: netns cleanup_net
[   78.847831][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.847979][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.848396][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   78.848589][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b6200 RCX: 1ff4000000018eed
[   78.848807][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b62bc
[   78.848980][   T12] RBP: ff1100000de49000 R08: 1fe2200002036c59 R09: ff11000001aed1d0
[   78.849150][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   78.849324][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.849496][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   78.849747][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.849898][   T12] CR2: 000055d401a0e518 CR3: 000000004994d004 CR4: 0000000000771ef0
[   78.850070][   T12] PKRU: 55555554
[   78.850155][   T12] Call Trace:
[   78.850244][   T12]  <TASK>
[   78.850305][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.850452][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.850596][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   78.850765][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   78.850883][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.850998][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   78.851113][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.851236][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   78.851355][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.851469][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.851592][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.851813][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.851931][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.852047][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.852162][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.852288][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.852407][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.852524][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.852646][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.852827][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.852941][   T12]  kthread (kernel/kthread.c:436)
[   78.853028][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.853171][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.853291][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.853407][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.853555][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.853755][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.853875][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.858388][   T12] ------------[ cut here ]------------
| [   78.858526][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   78.858774][   T12] Modules linked in: xfrm_user nf_tables
| [   78.859166][   T12] Tainted: [W]=WARN
[   78.859262][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.859408][   T12] Workqueue: netns cleanup_net
[   78.859533][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.859694][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.860111][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   78.860263][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b7a80 RCX: 1ff4000000018eed
[   78.860440][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b7b3c
[   78.860619][   T12] RBP: ff11000012b5c000 R08: 1fe2200002036f69 R09: ff11000001aed1d0
[   78.860800][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   78.860979][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.861153][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   78.861360][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.861513][   T12] CR2: 000055d3d5b6bd5c CR3: 0000000010af5001 CR4: 0000000000771ef0
[   78.861695][   T12] PKRU: 55555554
[   78.861783][   T12] Call Trace:
[   78.861870][   T12]  <TASK>
[   78.861932][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.862080][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.862226][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   78.862348][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   78.862465][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.862585][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   78.862708][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.862826][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   78.862944][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.863058][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.863176][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.863299][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.863415][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.863537][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.863659][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.863777][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.863896][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.864011][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.864132][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.864258][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.864374][   T12]  kthread (kernel/kthread.c:436)
[   78.864460][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.864612][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.864733][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.864850][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.864993][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.865111][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.865239][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.879951][   T12] ------------[ cut here ]------------
| [   78.880085][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   78.880335][   T12] Modules linked in: xfrm_user nf_tables
| [   78.880751][   T12] Tainted: [W]=WARN
[   78.880844][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.880999][   T12] Workqueue: netns cleanup_net
[   78.881125][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.881291][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.881737][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   78.881900][   T12] RAX: 00000000ffffffa6 RBX: ff110000101b7c40 RCX: 1ff4000000018eaf
[   78.882084][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b7cfc
[   78.882272][   T12] RBP: ff110000079cc000 R08: 1fe2200002036fa1 R09: ff11000001aed1d0
[   78.882454][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   78.882638][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eb79000
[   78.882827][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   78.883046][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.883202][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d004 CR4: 0000000000771ef0
[   78.883391][   T12] PKRU: 55555554
[   78.883488][   T12] Call Trace:
[   78.883584][   T12]  <TASK>
[   78.883647][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.883780][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.883875][   T12]  netif_close_many (net/core/dev.c:1804)
[   78.883998][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.884122][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.884254][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.884377][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   78.884500][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   78.884662][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   78.884816][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.884941][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.885094][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.885217][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.885350][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.885506][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   78.885632][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.885762][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.885887][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.886010][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.886135][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.886267][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.886388][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.886517][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.886643][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.886820][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.886945][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.887067][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.887191][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.887326][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.887449][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.887580][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.887757][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.887879][   T12]  kthread (kernel/kthread.c:436)
[   78.887971][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.888123][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.888251][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.888374][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.888530][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.888705][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.888829][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.891226][   T12] ------------[ cut here ]------------
| [   78.891354][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   78.891594][   T12] Modules linked in: xfrm_user nf_tables
| [   78.892544][   T12] Tainted: [W]=WARN
[   78.892636][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.892840][   T12] Workqueue: netns cleanup_net
[   78.892967][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.893124][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.893571][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   78.893800][   T12] RAX: 00000000ffffffa6 RBX: ff110000050d1000 RCX: 1ff4000000018eaf
[   78.893982][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000050d10bc
[   78.894166][   T12] RBP: ff1100000eb79000 R08: 1fe2200000a1a219 R09: ff11000001aed1d0
[   78.894352][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   78.894538][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000087d9000
[   78.894772][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   78.894986][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.895140][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d004 CR4: 0000000000771ef0
[   78.895329][   T12] PKRU: 55555554
[   78.895420][   T12] Call Trace:
[   78.895517][   T12]  <TASK>
[   78.895581][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.895774][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   78.895899][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.895995][   T12]  netif_close_many (net/core/dev.c:1804)
[   78.896116][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.896242][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.896363][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.896485][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   78.896613][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   78.896832][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   78.896988][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.897111][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.897268][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.897390][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.897513][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.897713][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   78.897838][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.897964][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.898087][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.898210][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.898337][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.898461][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.898587][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.898718][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.898842][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.898964][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.899087][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.899209][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.899336][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.899461][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.899587][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.899720][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.899847][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.899969][   T12]  kthread (kernel/kthread.c:436)
[   78.900060][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.900215][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.900344][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.900468][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.900625][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.900755][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.900878][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.903103][   T12] ------------[ cut here ]------------
| [   78.903224][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   78.903480][   T12] Modules linked in: xfrm_user nf_tables
| [   78.904326][   T12] Tainted: [W]=WARN
[   78.904423][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.904581][   T12] Workqueue: netns cleanup_net
[   78.904764][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.904923][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.905361][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   78.905517][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f36e740 RCX: 1ff4000000018eaf
[   78.905751][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f36e7fc
[   78.905932][   T12] RBP: ff110000087d9000 R08: 1fe2200001e6dd01 R09: ff11000001aed1d0
[   78.906163][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   78.906353][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   78.906544][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   78.906811][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.906964][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d004 CR4: 0000000000771ef0
[   78.907150][   T12] PKRU: 55555554
[   78.907249][   T12] Call Trace:
[   78.907341][   T12]  <TASK>
[   78.907404][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   78.907531][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   78.907703][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   78.907798][   T12]  netif_close_many (net/core/dev.c:1804)
[   78.907920][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.908042][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.908164][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.908291][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   78.908416][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   78.908575][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   78.908781][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.908904][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.909055][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.909177][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.909306][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.909461][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   78.909592][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.909767][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.909891][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.910016][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.910140][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.910272][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.910395][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.910522][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.910646][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.910820][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.910945][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.911068][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.911193][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.911326][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.911448][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.911578][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.911754][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.911879][   T12]  kthread (kernel/kthread.c:436)
[   78.911972][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.912124][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.912256][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.912379][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.912534][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.912708][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.912832][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.915553][   T12] ------------[ cut here ]------------
| [   78.915696][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   78.915932][   T12] Modules linked in: xfrm_user nf_tables
| [   78.916330][   T12] Tainted: [W]=WARN
[   78.916420][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.916571][   T12] Workqueue: netns cleanup_net
[   78.916701][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.916856][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.917283][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   78.917441][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f36f8c0 RCX: 1ff4000000018ed5
[   78.917622][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f36f97c
[   78.917808][   T12] RBP: ff110000079cc000 R08: 1fe2200001e6df31 R09: ff11000001aed1d0
[   78.917989][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   78.918169][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.918352][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   78.918563][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.918718][   T12] CR2: 00007ffe3bb9f718 CR3: 0000000010af5002 CR4: 0000000000771ef0
[   78.918900][   T12] PKRU: 55555554
[   78.918988][   T12] Call Trace:
[   78.919075][   T12]  <TASK>
[   78.919137][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.919294][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.919441][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.919563][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.919688][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.919840][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.919964][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.920084][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.920202][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.920328][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.920448][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.920568][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.920696][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.920817][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.920935][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.921056][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.921175][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.921302][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.921425][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.921545][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.921671][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.921795][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.921913][   T12]  kthread (kernel/kthread.c:436)
[   78.922002][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.922151][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.922279][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.922397][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.922547][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.922668][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.922786][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.925183][   T12] ------------[ cut here ]------------
| [   78.925313][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   78.925553][   T12] Modules linked in: xfrm_user nf_tables
| [   78.925953][   T12] Tainted: [W]=WARN
[   78.926043][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.926192][   T12] Workqueue: netns cleanup_net
[   78.926322][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.926476][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.926905][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   78.927055][   T12] RAX: 00000000ffffffa6 RBX: ff1100001024c580 RCX: 1ff4000000018ed5
[   78.927237][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001024c63c
[   78.927416][   T12] RBP: ff1100000eb79000 R08: 1fe22000020498c9 R09: ff11000001aed1d0
[   78.927597][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   78.927780][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.927958][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   78.928168][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.928323][   T12] CR2: 00007ffe3bb9f718 CR3: 0000000010af5002 CR4: 0000000000771ef0
[   78.928506][   T12] PKRU: 55555554
[   78.928596][   T12] Call Trace:
[   78.928689][   T12]  <TASK>
[   78.928752][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.928903][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.929051][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.929179][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.929301][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.929453][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.929575][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.929700][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.929819][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.929939][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.930061][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.930181][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.930308][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.930429][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.930552][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.930679][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.930800][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.930920][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.931043][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.931162][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.931292][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.931414][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.931537][   T12]  kthread (kernel/kthread.c:436)
[   78.931627][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.931780][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.931899][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.932019][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.932168][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.932292][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.932412][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.934896][   T12] ------------[ cut here ]------------
| [   78.935018][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   78.935259][   T12] Modules linked in: xfrm_user nf_tables
| [   78.935659][   T12] Tainted: [W]=WARN
[   78.935749][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.935897][   T12] Workqueue: netns cleanup_net
[   78.936021][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.936176][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.936602][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   78.936754][   T12] RAX: 00000000ffffffa6 RBX: ff1100001024d1c0 RCX: 1ff4000000018ed5
[   78.936936][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001024d27c
[   78.937111][   T12] RBP: ff110000087d9000 R08: 1fe2200002049a51 R09: ff11000001aed1d0
[   78.937292][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   78.937468][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.937649][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   78.937863][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.938010][   T12] CR2: 00007ffe3bb9f718 CR3: 0000000010af5002 CR4: 0000000000771ef0
[   78.938189][   T12] PKRU: 55555554
[   78.938282][   T12] Call Trace:
[   78.938372][   T12]  <TASK>
[   78.938434][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.938590][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.938742][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.938861][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.938979][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   78.939134][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   78.939260][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   78.939380][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   78.939500][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   78.939622][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   78.939747][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.939866][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.939988][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.940106][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.940225][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.940350][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.940469][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.940592][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.940720][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.940838][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.940962][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.941085][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.941203][   T12]  kthread (kernel/kthread.c:436)
[   78.941301][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.941448][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.941570][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.941694][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.941843][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.941961][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.942080][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.980838][   T12] ------------[ cut here ]------------
| [   78.980972][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   78.981200][   T12] Modules linked in: xfrm_user nf_tables
| [   78.981592][   T12] Tainted: [W]=WARN
[   78.981688][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.981838][   T12] Workqueue: netns cleanup_net
[   78.981961][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.982115][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   78.982540][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   78.982694][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc64c80 RCX: 1ff4000000018eed
[   78.982867][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc64d3c
[   78.983050][   T12] RBP: ff110000097b4000 R08: 1fe2200001f8c9a9 R09: ff11000001aed1d0
[   78.983223][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   78.983403][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   78.983582][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   78.983792][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.983940][   T12] CR2: 000055d40199d098 CR3: 0000000010af5002 CR4: 0000000000771ef0
[   78.984117][   T12] PKRU: 55555554
[   78.984205][   T12] Call Trace:
[   78.984297][   T12]  <TASK>
[   78.984358][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   78.984526][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   78.984675][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   78.984795][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   78.984914][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   78.985031][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   78.985148][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   78.985273][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   78.985391][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   78.985510][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   78.985631][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   78.985799][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   78.985918][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   78.986042][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   78.986159][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   78.986285][   T12]  process_one_work (kernel/workqueue.c:3314)
[   78.986449][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   78.986569][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   78.986739][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   78.986861][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   78.986977][   T12]  kthread (kernel/kthread.c:436)
[   78.987085][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   78.987237][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.987356][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   78.987474][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   78.987629][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   78.987794][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   78.987955][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   78.997890][   T12] ------------[ cut here ]------------
| [   78.998014][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   78.998246][   T12] Modules linked in: xfrm_user nf_tables
| [   78.998630][   T12] Tainted: [W]=WARN
[   78.999433][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   78.999592][   T12] Workqueue: netns cleanup_net
[   78.999718][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   78.999871][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.000297][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   79.000443][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246fa80 RCX: 1ff4000000018eed
[   79.000624][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246fb3c
[   79.000801][   T12] RBP: ff110000097e1000 R08: 1fe220000248df69 R09: ff11000001aed1d0
[   79.000978][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   79.001153][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   79.001338][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   79.001542][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.001692][   T12] CR2: 000055d40199d098 CR3: 000000004994d004 CR4: 0000000000771ef0
[   79.001866][   T12] PKRU: 55555554
[   79.001952][   T12] Call Trace:
[   79.002038][   T12]  <TASK>
[   79.002098][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.002249][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.002394][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   79.002513][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   79.002631][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.002749][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   79.002869][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.002986][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   79.003109][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.003223][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.003349][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.003467][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.003586][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.003708][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.003824][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.003942][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.004063][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.004180][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.004305][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.004425][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.004542][   T12]  kthread (kernel/kthread.c:436)
[   79.004630][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.004777][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.004895][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.005013][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.005158][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.005279][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.005398][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.007561][   T12] ------------[ cut here ]------------
| [   79.007687][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   79.007915][   T12] Modules linked in: xfrm_user nf_tables
| [   79.008300][   T12] Tainted: [W]=WARN
[   79.008387][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.008534][   T12] Workqueue: netns cleanup_net
[   79.008659][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.008810][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.009225][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   79.009375][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246ee40 RCX: 1ff4000000018eed
[   79.009553][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246eefc
[   79.009733][   T12] RBP: ff11000005394000 R08: 1fe220000248dde1 R09: ff11000001aed1d0
[   79.009905][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   79.010076][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   79.010253][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   79.010458][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.010608][   T12] CR2: 000055d40199d098 CR3: 000000004994d004 CR4: 0000000000771ef0
[   79.010789][   T12] PKRU: 55555554
[   79.010876][   T12] Call Trace:
[   79.010963][   T12]  <TASK>
[   79.011022][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.011171][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.011322][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   79.011438][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   79.011560][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.011681][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   79.011798][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.011915][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   79.012033][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.012149][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.012275][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.012393][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.012510][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.012627][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.012752][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.012870][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.012989][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.013105][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.013227][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.013358][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.013473][   T12]  kthread (kernel/kthread.c:436)
[   79.013565][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.013719][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.013834][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.013950][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.014097][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.014212][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.014330][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.016301][   T12] ------------[ cut here ]------------
| [   79.016422][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   79.016663][   T12] Modules linked in: xfrm_user nf_tables
| [   79.017047][   T12] Tainted: [W]=WARN
[   79.017135][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.017287][   T12] Workqueue: netns cleanup_net
[   79.017406][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.017566][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.017985][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   79.018130][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246eac0 RCX: 1ff4000000018eed
[   79.018310][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246eb7c
[   79.018481][   T12] RBP: ff11000012944000 R08: 1fe220000248dd71 R09: ff11000001aed1d0
[   79.018668][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   79.018845][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   79.019020][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   79.019222][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.019375][   T12] CR2: 000055d40199d098 CR3: 000000004994d004 CR4: 0000000000771ef0
[   79.019556][   T12] PKRU: 55555554
[   79.019644][   T12] Call Trace:
[   79.019736][   T12]  <TASK>
[   79.019796][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.019950][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.020098][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   79.020215][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   79.020338][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.020454][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   79.020571][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.020692][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   79.020809][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.020926][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.021045][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.021163][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.021286][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.021409][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.021528][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.021646][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.021771][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.021887][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.022011][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.022134][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.022258][   T12]  kthread (kernel/kthread.c:436)
[   79.022351][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.022495][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.022614][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.022734][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.022878][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.022995][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.023113][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.025069][   T12] ------------[ cut here ]------------
| [   79.025183][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   79.025419][   T12] Modules linked in: xfrm_user nf_tables
| [   79.025811][   T12] Tainted: [W]=WARN
[   79.025899][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.026046][   T12] Workqueue: netns cleanup_net
[   79.026166][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.026322][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.026748][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   79.026896][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246f380 RCX: 1ff4000000018eed
[   79.027068][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246f43c
[   79.027246][   T12] RBP: ff11000010214000 R08: 1fe220000248de89 R09: ff11000001aed1d0
[   79.027418][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   79.027595][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   79.027775][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   79.027977][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.028123][   T12] CR2: 000055d40199d098 CR3: 000000004994d004 CR4: 0000000000771ef0
[   79.028303][   T12] PKRU: 55555554
[   79.028391][   T12] Call Trace:
[   79.028478][   T12]  <TASK>
[   79.028542][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.028694][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.028841][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   79.028957][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   79.029074][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.029190][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   79.029314][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.029432][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   79.029561][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.029681][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.029803][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.029921][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.030035][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.030151][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.030272][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.030389][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.030513][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.030633][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.030757][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.030877][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.030993][   T12]  kthread (kernel/kthread.c:436)
[   79.031085][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.031229][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.031353][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.031474][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.031621][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.031741][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.031856][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.049825][   T12] ------------[ cut here ]------------
| [   79.049954][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   79.050193][   T12] Modules linked in: xfrm_user nf_tables
| [   79.050604][   T12] Tainted: [W]=WARN
[   79.050704][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.050860][   T12] Workqueue: netns cleanup_net
[   79.050986][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.051145][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.051587][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   79.051750][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246e740 RCX: 1ff4000000018eaf
[   79.051937][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e7fc
[   79.052120][   T12] RBP: ff11000012414000 R08: 1fe220000248dd01 R09: ff11000001aed1d0
[   79.052306][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   79.052487][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fb59000
[   79.052682][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   79.052900][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.053052][   T12] CR2: 000055d40199d098 CR3: 000000004994d004 CR4: 0000000000771ef0
[   79.053239][   T12] PKRU: 55555554
[   79.053331][   T12] Call Trace:
[   79.053425][   T12]  <TASK>
[   79.053489][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   79.053617][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   79.053716][   T12]  netif_close_many (net/core/dev.c:1804)
[   79.053840][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.053962][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.054085][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.054207][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   79.054337][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   79.054491][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   79.054649][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.054777][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.054928][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.055051][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.055172][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   79.055332][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   79.055457][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   79.055585][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   79.055771][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   79.055895][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   79.056018][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   79.056142][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.056269][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.056397][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.056522][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.056643][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.056822][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.056942][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.057066][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.057194][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.057324][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.057451][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.057579][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.057751][   T12]  kthread (kernel/kthread.c:436)
[   79.057845][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.057997][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.058119][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.058245][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.058397][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.058522][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.058644][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.061570][   T12] ------------[ cut here ]------------
| [   79.061716][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   79.061959][   T12] Modules linked in: xfrm_user nf_tables
| [   79.062368][   T12] Tainted: [W]=WARN
[   79.062461][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.062618][   T12] Workqueue: netns cleanup_net
[   79.062752][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.062911][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.063355][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   79.063511][   T12] RAX: 00000000ffffffa6 RBX: ff11000012121a80 RCX: 1ff4000000018eaf
[   79.063698][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012121b3c
[   79.063879][   T12] RBP: ff1100000fb59000 R08: 1fe2200002424369 R09: ff11000001aed1d0
[   79.064062][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   79.064246][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a9a1000
[   79.064433][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   79.064663][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.064817][   T12] CR2: 000055d3d5b6bd5c CR3: 0000000010af5001 CR4: 0000000000771ef0
[   79.065000][   T12] PKRU: 55555554
[   79.065091][   T12] Call Trace:
[   79.065183][   T12]  <TASK>
[   79.065250][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   79.065373][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   79.065495][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   79.065594][   T12]  netif_close_many (net/core/dev.c:1804)
[   79.065724][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.065846][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.065968][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.066090][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   79.066214][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   79.066372][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   79.066528][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.066658][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.066812][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.066935][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.067057][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   79.067210][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   79.067338][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   79.067462][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   79.067589][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   79.067721][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   79.067845][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   79.067968][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.068090][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.068216][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.068345][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.068466][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.068594][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.068722][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.068844][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.068970][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.069092][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.069218][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.069350][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.069471][   T12]  kthread (kernel/kthread.c:436)
[   79.069567][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.069725][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.069847][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.069969][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.070122][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.070248][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.070372][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.072584][   T12] ------------[ cut here ]------------
| [   79.072713][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   79.072953][   T12] Modules linked in: xfrm_user nf_tables
| [   79.073363][   T12] Tainted: [W]=WARN
[   79.073455][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.073610][   T12] Workqueue: netns cleanup_net
[   79.073747][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.073907][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.074346][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   79.074499][   T12] RAX: 00000000ffffffa6 RBX: ff11000009b8a040 RCX: 1ff4000000018eaf
[   79.074695][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009b8a0fc
[   79.074882][   T12] RBP: ff1100000a9a1000 R08: 1fe2200001371421 R09: ff11000001aed1d0
[   79.075064][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   79.075253][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   79.075438][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   79.075663][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.075818][   T12] CR2: 000055d3d5b6bd5c CR3: 0000000010af5001 CR4: 0000000000771ef0
[   79.076003][   T12] PKRU: 55555554
[   79.076096][   T12] Call Trace:
[   79.076188][   T12]  <TASK>
[   79.076260][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   79.076384][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   79.076510][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   79.076605][   T12]  netif_close_many (net/core/dev.c:1804)
[   79.076735][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.076856][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.076978][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.077101][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   79.077226][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   79.077384][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   79.077542][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.077668][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.077821][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.077943][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.078067][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   79.078223][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   79.078355][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   79.078480][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   79.078606][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   79.078735][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   79.078860][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   79.078985][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.079109][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.079238][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.079362][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.079485][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.079612][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.079738][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.079863][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.079991][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.080113][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.080245][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.080373][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.080497][   T12]  kthread (kernel/kthread.c:436)
[   79.080598][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.080753][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.080879][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.081002][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.081154][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.081281][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.081404][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.083703][   T12] ------------[ cut here ]------------
| [   79.083829][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   79.084060][   T12] Modules linked in: xfrm_user nf_tables
| [   79.084457][   T12] Tainted: [W]=WARN
[   79.084551][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.085156][   T12] Workqueue: netns cleanup_net
[   79.085297][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.085457][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.085888][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   79.086036][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cfa4040 RCX: 1ff4000000018ed5
[   79.086215][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cfa40fc
[   79.086394][   T12] RBP: ff11000012414000 R08: 1fe22000019f4821 R09: ff11000001aed1d0
[   79.086572][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   79.086751][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   79.086929][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   79.087137][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.087294][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d004 CR4: 0000000000771ef0
[   79.087471][   T12] PKRU: 55555554
[   79.087562][   T12] Call Trace:
[   79.087658][   T12]  <TASK>
[   79.087719][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.087870][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.088018][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.088136][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.088259][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   79.088416][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   79.088537][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   79.088661][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   79.088782][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   79.088902][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   79.089022][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.089140][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.089267][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.089386][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.089505][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.089626][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.089748][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.089868][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.089991][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.090109][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.090236][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.090360][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.090478][   T12]  kthread (kernel/kthread.c:436)
[   79.090569][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.090722][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.090841][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.090960][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.091105][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.091222][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.091349][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.095991][   T12] ------------[ cut here ]------------
| [   79.096116][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   79.096356][   T12] Modules linked in: xfrm_user nf_tables
| [   79.096754][   T12] Tainted: [W]=WARN
[   79.096848][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.096996][   T12] Workqueue: netns cleanup_net
[   79.097121][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.097279][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.097712][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   79.097860][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cfa4c80 RCX: 1ff4000000018ed5
[   79.098039][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cfa4d3c
[   79.098213][   T12] RBP: ff1100000fb59000 R08: 1fe22000019f49a9 R09: ff11000001aed1d0
[   79.098394][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   79.098572][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   79.098755][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   79.098960][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.099107][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d004 CR4: 0000000000771ef0
[   79.099289][   T12] PKRU: 55555554
[   79.099379][   T12] Call Trace:
[   79.099466][   T12]  <TASK>
[   79.099534][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.099691][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.099837][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.099954][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.100072][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   79.100224][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   79.100349][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   79.100470][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   79.100591][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   79.100717][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   79.100838][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.100957][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.101082][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.101200][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.101322][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.101444][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.101564][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.101735][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.101857][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.101975][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.102097][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.102219][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.102342][   T12]  kthread (kernel/kthread.c:436)
[   79.102430][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.102580][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.102747][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.102865][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.103012][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.103129][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.103259][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.106360][   T12] ------------[ cut here ]------------
| [   79.106494][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   79.106755][   T12] Modules linked in: xfrm_user nf_tables
| [   79.107150][   T12] Tainted: [W]=WARN
[   79.107242][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.107400][   T12] Workqueue: netns cleanup_net
[   79.107528][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.107689][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.108112][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   79.108267][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cfa58c0 RCX: 1ff4000000018ed5
[   79.108446][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cfa597c
[   79.108624][   T12] RBP: ff1100000a9a1000 R08: 1fe22000019f4b31 R09: ff11000001aed1d0
[   79.108826][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   79.109003][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   79.109181][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   79.109388][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.109542][   T12] CR2: 000055d401a18c38 CR3: 00000000099d7004 CR4: 0000000000771ef0
[   79.109725][   T12] PKRU: 55555554
[   79.109813][   T12] Call Trace:
[   79.109901][   T12]  <TASK>
[   79.109963][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.110111][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.110261][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.110379][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.110497][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   79.110656][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   79.110777][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   79.110897][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   79.111015][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   79.111135][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   79.111260][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.111377][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.111498][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.111620][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.111748][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.111868][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.111985][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.112103][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.112226][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.112351][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.112479][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.112606][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.112729][   T12]  kthread (kernel/kthread.c:436)
[   79.112817][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.112983][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.113102][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.113220][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.113374][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.113494][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.113618][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.157739][   T12] ------------[ cut here ]------------
| [   79.157947][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   79.158193][   T12] Modules linked in: xfrm_user nf_tables
| [   79.158597][   T12] Tainted: [W]=WARN
[   79.158701][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.158844][   T12] Workqueue: netns cleanup_net
[   79.158964][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.159117][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.159545][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   79.159700][   T12] RAX: 00000000ffffffa6 RBX: ff110000109cd700 RCX: 1ff4000000018eed
[   79.159872][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109cd7bc
[   79.160045][   T12] RBP: ff1100000f2bc000 R08: 1fe2200002139af9 R09: ff11000001aed1d0
[   79.160217][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   79.160392][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   79.160569][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   79.160780][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.160924][   T12] CR2: 000055d401a13a38 CR3: 000000004994d005 CR4: 0000000000771ef0
[   79.161102][   T12] PKRU: 55555554
[   79.161188][   T12] Call Trace:
[   79.161279][   T12]  <TASK>
[   79.161340][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.161487][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.161641][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   79.161764][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   79.161880][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.161995][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   79.162111][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.162228][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   79.162349][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.162466][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.162593][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.162715][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.162829][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.162951][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.163065][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.163182][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.163305][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.163422][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.163545][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.163669][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.163785][   T12]  kthread (kernel/kthread.c:436)
[   79.163873][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.164017][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.164132][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.164256][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.164400][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.164522][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.164637][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.167335][   T12] ------------[ cut here ]------------
| [   79.167543][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   79.167797][   T12] Modules linked in: xfrm_user nf_tables
| [   79.168180][   T12] Tainted: [W]=WARN
[   79.168273][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.168417][   T12] Workqueue: netns cleanup_net
[   79.168545][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.168702][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.169115][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   79.169265][   T12] RAX: 00000000ffffffa6 RBX: ff110000109ccc80 RCX: 1ff4000000018eed
[   79.169441][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109ccd3c
[   79.169615][   T12] RBP: ff110000134e9000 R08: 1fe22000021399a9 R09: ff11000001aed1d0
[   79.169792][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   79.169962][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   79.170135][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   79.170345][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.170490][   T12] CR2: 000055d401a13a38 CR3: 000000004994d005 CR4: 0000000000771ef0
[   79.170677][   T12] PKRU: 55555554
[   79.170762][   T12] Call Trace:
[   79.170847][   T12]  <TASK>
[   79.170907][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.171053][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.171200][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   79.171322][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   79.171442][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.171559][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   79.171678][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.171793][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   79.171909][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.172021][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.172138][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.172260][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.172373][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.172488][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.172605][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.172726][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.172844][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.172958][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.173081][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.173199][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.173320][   T12]  kthread (kernel/kthread.c:436)
[   79.173406][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.173550][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.173672][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.173786][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.173946][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.174060][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.174174][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.176477][   T12] ------------[ cut here ]------------
| [   79.176612][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   79.176851][   T12] Modules linked in: xfrm_user nf_tables
| [   79.177309][   T12] Tainted: [W]=WARN
[   79.177416][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.177567][   T12] Workqueue: netns cleanup_net
[   79.177699][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.177849][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.178269][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   79.178413][   T12] RAX: 00000000ffffffa6 RBX: ff11000010ab6580 RCX: 1ff4000000018eed
[   79.178586][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010ab663c
[   79.178762][   T12] RBP: ff110000138e4000 R08: 1fe2200002156cc9 R09: ff11000001aed1d0
[   79.178939][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   79.179111][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   79.179289][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   79.179489][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.179641][   T12] CR2: 000055d401a13a38 CR3: 000000004994d005 CR4: 0000000000771ef0
[   79.179821][   T12] PKRU: 55555554
[   79.179905][   T12] Call Trace:
[   79.179990][   T12]  <TASK>
[   79.180050][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.180196][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.180342][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   79.180455][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   79.180571][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.180690][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   79.180804][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.180919][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   79.181034][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.181148][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.181270][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.181385][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.181498][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.181618][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.181737][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.181852][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.181969][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.182082][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.182200][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.182324][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.182444][   T12]  kthread (kernel/kthread.c:436)
[   79.182534][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.182680][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.182795][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.182910][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.183052][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.183165][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.183289][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.186045][   T12] ------------[ cut here ]------------
| [   79.186168][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   79.186409][   T12] Modules linked in: xfrm_user nf_tables
| [   79.186810][   T12] Tainted: [W]=WARN
[   79.186902][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.187052][   T12] Workqueue: netns cleanup_net
[   79.187176][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.187335][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.187761][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   79.187912][   T12] RAX: 00000000ffffffa6 RBX: ff11000010ab6900 RCX: 1ff4000000018eed
[   79.188087][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010ab69bc
[   79.188264][   T12] RBP: ff1100000d33c000 R08: 1fe2200002156d39 R09: ff11000001aed1d0
[   79.188439][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   79.188620][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   79.188806][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   79.189008][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.189159][   T12] CR2: 0000000000414530 CR3: 000000004994d004 CR4: 0000000000771ef0
[   79.189338][   T12] PKRU: 55555554
[   79.189424][   T12] Call Trace:
[   79.189512][   T12]  <TASK>
[   79.189579][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.189733][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.189882][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   79.189999][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   79.190118][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.190239][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   79.190356][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.190476][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   79.190600][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.190720][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.190842][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.190963][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.191077][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.191195][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.191317][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.191436][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.191561][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.191682][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.191807][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.191931][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.192047][   T12]  kthread (kernel/kthread.c:436)
[   79.192135][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.192287][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.192407][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.192527][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.192678][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.192795][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.192912][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.195026][   T12] ------------[ cut here ]------------
| [   79.195167][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   79.195399][   T12] Modules linked in: xfrm_user nf_tables
| [   79.195782][   T12] Tainted: [W]=WARN
[   79.195869][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.196013][   T12] Workqueue: netns cleanup_net
[   79.196132][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.196287][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.196707][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   79.196852][   T12] RAX: 00000000ffffffa6 RBX: ff11000010ab7380 RCX: 1ff4000000018eed
[   79.197024][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010ab743c
[   79.197197][   T12] RBP: ff1100000fbfc000 R08: 1fe2200002156e89 R09: ff11000001aed1d0
[   79.197373][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   79.197554][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   79.197732][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   79.197935][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.198079][   T12] CR2: 0000000000414530 CR3: 000000004994d004 CR4: 0000000000771ef0
[   79.198257][   T12] PKRU: 55555554
[   79.198344][   T12] Call Trace:
[   79.198430][   T12]  <TASK>
[   79.198490][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.198640][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.198789][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   79.198904][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   79.199025][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.199144][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   79.199264][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.199381][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   79.199498][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.199617][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.199742][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.199859][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.199974][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.200090][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.200205][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.200328][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.200451][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.200579][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.200705][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.200825][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.200940][   T12]  kthread (kernel/kthread.c:436)
[   79.201027][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.201170][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.201292][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.201409][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.201557][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.201679][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.201795][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.217550][   T12] ------------[ cut here ]------------
| [   79.217690][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   79.217932][   T12] Modules linked in: xfrm_user nf_tables
| [   79.218350][   T12] Tainted: [W]=WARN
[   79.218442][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.218597][   T12] Workqueue: netns cleanup_net
[   79.218936][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.219095][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.219545][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   79.219706][   T12] RAX: 00000000ffffffa6 RBX: ff11000010ab7540 RCX: 1ff4000000018eaf
[   79.219890][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010ab75fc
[   79.220071][   T12] RBP: ff11000007f71000 R08: 1fe2200002156ec1 R09: ff11000001aed1d0
[   79.220259][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   79.220439][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e80c000
[   79.220626][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   79.220845][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.220998][   T12] CR2: 0000000000414530 CR3: 000000004994d004 CR4: 0000000000771ef0
[   79.221181][   T12] PKRU: 55555554
[   79.221276][   T12] Call Trace:
[   79.221367][   T12]  <TASK>
[   79.221430][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   79.221557][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   79.221658][   T12]  netif_close_many (net/core/dev.c:1804)
[   79.221788][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.221911][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.222032][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.222153][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   79.222280][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   79.222434][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   79.222591][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.222720][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.222872][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.222992][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.223113][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   79.223270][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   79.223396][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   79.223521][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   79.223644][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   79.223774][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   79.223898][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   79.224021][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.224141][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.224273][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.224395][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.224516][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.224640][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.224768][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.224892][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.225017][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.225138][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.225269][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.225395][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.225519][   T12]  kthread (kernel/kthread.c:436)
[   79.225621][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.225777][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.225899][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.226020][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.226173][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.226308][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.226430][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.228614][   T12] ------------[ cut here ]------------
| [   79.228751][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   79.228990][   T12] Modules linked in: xfrm_user nf_tables
| [   79.229396][   T12] Tainted: [W]=WARN
[   79.229488][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.229645][   T12] Workqueue: netns cleanup_net
[   79.230247][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.230406][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.230909][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   79.231061][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bc4c040 RCX: 1ff4000000018eaf
[   79.231244][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc4c0fc
[   79.231426][   T12] RBP: ff1100000e80c000 R08: 1fe2200001789821 R09: ff11000001aed1d0
[   79.231610][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   79.231842][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005379000
[   79.232075][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   79.232296][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.232451][   T12] CR2: 0000000000414530 CR3: 000000004994d004 CR4: 0000000000771ef0
[   79.232636][   T12] PKRU: 55555554
[   79.232776][   T12] Call Trace:
[   79.232867][   T12]  <TASK>
[   79.232931][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   79.233053][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   79.233175][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   79.233274][   T12]  netif_close_many (net/core/dev.c:1804)
[   79.233397][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.233519][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.233641][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.233813][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   79.233940][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   79.234092][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   79.234249][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.234372][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.234528][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.234648][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.234817][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   79.234968][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   79.235092][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   79.235214][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   79.235343][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   79.235466][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   79.235592][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   79.235774][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.235895][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.236020][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.236142][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.236269][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.236394][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.236516][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.236641][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.236818][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.236941][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.237067][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.237194][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.237321][   T12]  kthread (kernel/kthread.c:436)
[   79.237414][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.237567][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.237740][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.237861][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.238012][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.238133][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.238261][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.241265][   T12] ------------[ cut here ]------------
| [   79.241446][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   79.241727][   T12] Modules linked in: xfrm_user nf_tables
| [   79.242128][   T12] Tainted: [W]=WARN
[   79.242219][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.242379][   T12] Workqueue: netns cleanup_net
[   79.242510][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.242676][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.243114][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   79.243272][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bc4d700 RCX: 1ff4000000018eaf
[   79.243454][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc4d7bc
[   79.243636][   T12] RBP: ff11000005379000 R08: 1fe2200001789af9 R09: ff11000001aed1d0
[   79.243825][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   79.244004][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   79.244188][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   79.244405][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.244559][   T12] CR2: 000055d401a13a38 CR3: 000000004994d005 CR4: 0000000000771ef0
[   79.244749][   T12] PKRU: 55555554
[   79.244838][   T12] Call Trace:
[   79.244929][   T12]  <TASK>
[   79.244992][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   79.245114][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   79.245241][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   79.245337][   T12]  netif_close_many (net/core/dev.c:1804)
[   79.245457][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.245581][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.245709][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.245833][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   79.245955][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   79.246106][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   79.246264][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.246385][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.246542][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.246666][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.246786][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   79.246939][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   79.247062][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   79.247184][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   79.247310][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   79.247430][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   79.247557][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   79.247685][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.247806][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.247929][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.248051][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.248171][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.248303][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.248421][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.248544][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.248677][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.248798][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.248922][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.249048][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.249168][   T12]  kthread (kernel/kthread.c:436)
[   79.249264][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.249415][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.249540][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.249665][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.249816][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.249937][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.250067][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.259479][   T12] ------------[ cut here ]------------
| [   79.259615][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   79.259859][   T12] Modules linked in: xfrm_user nf_tables
| [   79.260256][   T12] Tainted: [W]=WARN
[   79.260351][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.260498][   T12] Workqueue: netns cleanup_net
[   79.260623][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.260782][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.261209][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   79.261360][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bc54900 RCX: 1ff4000000018ed5
[   79.261539][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc549bc
[   79.261721][   T12] RBP: ff11000007f71000 R08: 1fe220000178a939 R09: ff11000001aed1d0
[   79.261897][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   79.262118][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   79.262322][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   79.262535][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.262694][   T12] CR2: 000055d401a13a38 CR3: 000000004994d005 CR4: 0000000000771ef0
[   79.262872][   T12] PKRU: 55555554
[   79.262959][   T12] Call Trace:
[   79.263046][   T12]  <TASK>
[   79.263108][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.263268][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.263424][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.263547][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.263671][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   79.263821][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   79.263940][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   79.264058][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   79.264175][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   79.264299][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   79.264417][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.264539][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.264714][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.264833][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.264950][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.265068][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.265185][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.265309][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.265430][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.265553][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.265691][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.265812][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.265929][   T12]  kthread (kernel/kthread.c:436)
[   79.266019][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.266164][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.266291][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.266418][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.266568][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.266689][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.266808][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.269676][   T12] ------------[ cut here ]------------
| [   79.269811][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   79.270046][   T12] Modules linked in: xfrm_user nf_tables
| [   79.270445][   T12] Tainted: [W]=WARN
[   79.270537][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.270693][   T12] Workqueue: netns cleanup_net
[   79.270815][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.270968][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.271445][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   79.271616][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bc55540 RCX: 1ff4000000018ed5
[   79.271872][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc555fc
[   79.272049][   T12] RBP: ff1100000e80c000 R08: 1fe220000178aac1 R09: ff11000001aed1d0
[   79.272230][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   79.272412][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   79.272597][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   79.272850][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.272998][   T12] CR2: 000055d401a13a38 CR3: 000000004994d005 CR4: 0000000000771ef0
[   79.273173][   T12] PKRU: 55555554
[   79.273266][   T12] Call Trace:
[   79.273353][   T12]  <TASK>
[   79.273414][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.273614][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.273861][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.273980][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.274097][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   79.274256][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   79.274379][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   79.274496][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   79.274618][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   79.274755][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   79.274878][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.274996][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.275117][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.275240][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.275357][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.275475][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.275595][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.275720][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.275842][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.275960][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.276081][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.276203][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.276324][   T12]  kthread (kernel/kthread.c:436)
[   79.276412][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.276560][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.276683][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.276802][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.276948][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.277066][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.277185][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.281471][   T12] ------------[ cut here ]------------
| [   79.281784][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   79.282028][   T12] Modules linked in: xfrm_user nf_tables
| [   79.282524][   T12] Tainted: [W]=WARN
[   79.282613][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.282853][   T12] Workqueue: netns cleanup_net
[   79.282973][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.283124][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.283556][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   79.283808][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d350740 RCX: 1ff4000000018ed5
[   79.283985][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3507fc
[   79.284158][   T12] RBP: ff11000005379000 R08: 1fe2200001a6a101 R09: ff11000001aed1d0
[   79.284337][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   79.284513][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   79.284819][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   79.285021][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.285168][   T12] CR2: 000055d401a13a38 CR3: 000000004994d005 CR4: 0000000000771ef0
[   79.285350][   T12] PKRU: 55555554
[   79.285438][   T12] Call Trace:
[   79.285528][   T12]  <TASK>
[   79.285589][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.285785][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.285930][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.286048][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.286164][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   79.286321][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   79.286441][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   79.286562][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   79.286731][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   79.286849][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   79.286973][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.287090][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.287212][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.287333][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.287449][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.287570][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.287739][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.287858][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.287980][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.288097][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.288219][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.288346][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.288462][   T12]  kthread (kernel/kthread.c:436)
[   79.288554][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.288776][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.288895][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.289013][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.289159][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.289280][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.289396][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.327688][   T12] ------------[ cut here ]------------
| [   79.327819][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   79.328052][   T12] Modules linked in: xfrm_user nf_tables
| [   79.328438][   T12] Tainted: [W]=WARN
[   79.328528][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.328687][   T12] Workqueue: netns cleanup_net
[   79.328807][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.328955][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.329367][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   79.329525][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d351540 RCX: 1ff4000000018eed
[   79.329704][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3515fc
[   79.329876][   T12] RBP: ff11000013ad9000 R08: 1fe2200001a6a2c1 R09: ff11000001aed1d0
[   79.330046][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   79.330218][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   79.330395][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   79.330600][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.330801][   T12] CR2: 000055d401a13a38 CR3: 000000004994d005 CR4: 0000000000771ef0
[   79.330975][   T12] PKRU: 55555554
[   79.331061][   T12] Call Trace:
[   79.331146][   T12]  <TASK>
[   79.331206][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.331364][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.331511][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   79.331681][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   79.331797][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.331911][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   79.332029][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.332145][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   79.332267][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.332381][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.332503][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.332621][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.332783][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.332901][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.333015][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.333132][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.333256][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.333371][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.333490][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.333614][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.333776][   T12]  kthread (kernel/kthread.c:436)
[   79.333872][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.334015][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.334132][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.334253][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.334397][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.334514][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.334632][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.336897][   T12] ------------[ cut here ]------------
| [   79.337013][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   79.337244][   T12] Modules linked in: xfrm_user nf_tables
| [   79.337625][   T12] Tainted: [W]=WARN
[   79.337874][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.338022][   T12] Workqueue: netns cleanup_net
[   79.338150][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.338305][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.338723][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   79.338869][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d351c40 RCX: 1ff4000000018eed
[   79.339042][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d351cfc
[   79.339215][   T12] RBP: ff110000125a4000 R08: 1fe2200001a6a3a1 R09: ff11000001aed1d0
[   79.339392][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   79.339569][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   79.339749][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   79.339949][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.340093][   T12] CR2: 000055d401a13a38 CR3: 000000004994d005 CR4: 0000000000771ef0
[   79.340272][   T12] PKRU: 55555554
[   79.340358][   T12] Call Trace:
[   79.340445][   T12]  <TASK>
[   79.340508][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.340662][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.340805][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   79.340921][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   79.341038][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.341153][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   79.341273][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.341391][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   79.341516][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.341631][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.341752][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.341869][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.341984][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.342101][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.342216][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.342337][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.342463][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.342582][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.342707][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.342827][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.342942][   T12]  kthread (kernel/kthread.c:436)
[   79.343029][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.343175][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.343301][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.343417][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.343566][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.343687][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.343807][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.345962][   T12] ------------[ cut here ]------------
| [   79.346076][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   79.346309][   T12] Modules linked in: xfrm_user nf_tables
| [   79.347210][   T12] Tainted: [W]=WARN
[   79.347301][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.347446][   T12] Workqueue: netns cleanup_net
[   79.347571][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.347769][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.348179][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   79.348327][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fdd9c40 RCX: 1ff4000000018eed
[   79.348497][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fdd9cfc
[   79.348724][   T12] RBP: ff11000012621000 R08: 1fe2200001fbb3a1 R09: ff11000001aed1d0
[   79.348900][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   79.349074][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   79.349253][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   79.349498][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.349649][   T12] CR2: 000055d401a13a38 CR3: 000000004994d005 CR4: 0000000000771ef0
[   79.349869][   T12] PKRU: 55555554
[   79.349954][   T12] Call Trace:
[   79.350040][   T12]  <TASK>
[   79.350101][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.350260][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.350403][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   79.350524][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   79.350640][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.350800][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   79.350917][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.351033][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   79.351151][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.351271][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.351388][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.351513][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.351629][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.351790][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.352030][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.352164][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.352293][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.352407][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.352535][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.352706][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.352821][   T12]  kthread (kernel/kthread.c:436)
[   79.352907][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.353050][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.353165][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.353285][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.353429][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.353547][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.353708][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.357400][   T12] ------------[ cut here ]------------
| [   79.357540][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   79.357778][   T12] Modules linked in: xfrm_user nf_tables
| [   79.358162][   T12] Tainted: [W]=WARN
[   79.358257][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.358403][   T12] Workqueue: netns cleanup_net
[   79.358528][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.358691][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.359110][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   79.359266][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fdd9e00 RCX: 1ff4000000018eed
[   79.359440][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fdd9ebc
[   79.359617][   T12] RBP: ff11000012409000 R08: 1fe2200001fbb3d9 R09: ff11000001aed1d0
[   79.359801][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   79.359976][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   79.360152][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   79.360359][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.360510][   T12] CR2: 00007ffe3bb9f718 CR3: 0000000010af5003 CR4: 0000000000771ef0
[   79.360692][   T12] PKRU: 55555554
[   79.360779][   T12] Call Trace:
[   79.360878][   T12]  <TASK>
[   79.360940][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.361094][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.361246][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   79.361367][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   79.361489][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.361609][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   79.361733][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.361852][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   79.361970][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.362087][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.362206][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.362329][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.362447][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.362570][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.362752][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.362874][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.363044][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.363161][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.363286][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.363412][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.363534][   T12]  kthread (kernel/kthread.c:436)
[   79.363622][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.363774][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.363893][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.364010][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.364160][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.364283][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.364399][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.373765][   T12] ------------[ cut here ]------------
| [   79.373887][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   79.374114][   T12] Modules linked in: xfrm_user nf_tables
| [   79.374513][   T12] Tainted: [W]=WARN
[   79.374606][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.374765][   T12] Workqueue: netns cleanup_net
[   79.374886][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.375035][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.375456][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   79.375606][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda9e00 RCX: 1ff4000000018eed
[   79.375790][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda9ebc
[   79.375964][   T12] RBP: ff1100000df64000 R08: 1fe2200001bb53d9 R09: ff11000001aed1d0
[   79.376135][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   79.376314][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   79.376489][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   79.376703][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.376849][   T12] CR2: 00007ffe3bb9f718 CR3: 0000000010af5003 CR4: 0000000000771ef0
[   79.377023][   T12] PKRU: 55555554
[   79.377110][   T12] Call Trace:
[   79.377196][   T12]  <TASK>
[   79.377268][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.377418][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.377568][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   79.377692][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   79.377810][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.377925][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   79.378044][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.378162][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   79.378289][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.378409][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.378532][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.378649][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.378769][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.378887][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.379002][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.379122][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.379262][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.379380][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.379501][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.379627][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.379748][   T12]  kthread (kernel/kthread.c:436)
[   79.379837][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.379981][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.380100][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.380216][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.380368][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.380484][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.380606][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.393883][   T12] ------------[ cut here ]------------
| [   79.394020][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   79.394272][   T12] Modules linked in: xfrm_user nf_tables
| [   79.394707][   T12] Tainted: [W]=WARN
[   79.394799][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.394950][   T12] Workqueue: netns cleanup_net
[   79.395077][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.395241][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.395689][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   79.395843][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda8200 RCX: 1ff4000000018eaf
[   79.396026][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda82bc
[   79.396210][   T12] RBP: ff110000121e1000 R08: 1fe2200001bb5059 R09: ff11000001aed1d0
[   79.396396][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   79.396584][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   79.396775][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   79.396993][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.397147][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000e91d003 CR4: 0000000000771ef0
[   79.397336][   T12] PKRU: 55555554
[   79.397428][   T12] Call Trace:
[   79.397522][   T12]  <TASK>
[   79.397586][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   79.397719][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   79.397813][   T12]  netif_close_many (net/core/dev.c:1804)
[   79.397935][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.398057][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.398188][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.398317][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   79.398439][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   79.398596][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   79.398757][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   79.398879][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   79.399000][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   79.399121][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.399279][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   79.399403][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   79.399530][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   79.399659][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   79.399782][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   79.399904][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   79.400028][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.400147][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.400275][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.400397][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.400522][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.400661][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.400782][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.400905][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.401030][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.401151][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.401280][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.401408][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.401538][   T12]  kthread (kernel/kthread.c:436)
[   79.401629][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.401800][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.401922][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.402049][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.402201][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.402327][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.402452][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.404844][   T12] ------------[ cut here ]------------
| [   79.404968][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   79.405203][   T12] Modules linked in: xfrm_user nf_tables
| [   79.405600][   T12] Tainted: [W]=WARN
[   79.405694][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.405843][   T12] Workqueue: netns cleanup_net
[   79.405968][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.406122][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   79.406552][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   79.406707][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda8ac0 RCX: 1ff4000000018ed5
[   79.406881][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda8b7c
[   79.407057][   T12] RBP: ff110000121e1000 R08: 1fe2200001bb5171 R09: ff11000001aed1d0
[   79.407234][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   79.407413][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   79.407598][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   79.407858][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.408007][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000e91d003 CR4: 0000000000771ef0
[   79.408186][   T12] PKRU: 55555554
[   79.408281][   T12] Call Trace:
[   79.408370][   T12]  <TASK>
[   79.408432][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   79.408587][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   79.408787][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   79.408908][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   79.409029][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   79.409147][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   79.409270][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   79.409391][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   79.409515][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   79.409635][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.409804][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   79.409925][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   79.410042][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   79.410166][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.410290][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.410409][   T12]  process_one_work (kernel/workqueue.c:3314)
[   79.410534][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   79.410700][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.410825][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   79.410967][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   79.411088][   T12]  kthread (kernel/kthread.c:436)
[   79.411177][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   79.411332][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.411450][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   79.411571][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   79.411767][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   79.411885][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   79.412003][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   79.494426][ T2162] ------------[ cut here ]------------
| [   79.494612][ T2162] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2162
| [   79.494925][ T2162] Modules linked in: xfrm_user nf_tables
| [   79.495429][ T2162] Tainted: [W]=WARN
[   79.495584][ T2162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.495804][ T2162] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.496020][ T2162] 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
[   79.496539][ T2162] RSP: 0018:ffa0000002a3fa80 EFLAGS: 00010286
[   79.496765][ T2162] RAX: 00000000ffffffa6 RBX: ff11000014da03c0 RCX: 1ff4000000547f16
[   79.497008][ T2162] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014da047c
[   79.497254][ T2162] RBP: ff11000008be1000 R08: 1fe22000029b4091 R09: ff1100000de50b80
[   79.497495][ T2162] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   79.497761][ T2162] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008be1000
[   79.498003][ T2162] FS:  00007f2022905840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   79.498283][ T2162] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.498494][ T2162] CR2: 00007f2022b11690 CR3: 000000000b8ba003 CR4: 0000000000771ef0
[   79.498761][ T2162] PKRU: 55555554
[   79.498905][ T2162] Call Trace:
[   79.499053][ T2162]  <TASK>
[   79.499168][ T2162]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   79.499359][ T2162]  ? notifier_call_chain (kernel/notifier.c:85)
[   79.499547][ T2162]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   79.499706][ T2162]  register_netdevice (net/core/dev.c:11488)
[   79.499885][ T2162]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   79.500098][ T2162]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   79.500283][ T2162]  register_netdev (net/core/dev.c:11552)
[   79.500462][ T2162]  loopback_net_init (drivers/net/loopback.c:218)
[   79.500664][ T2162]  ops_init (net/core/net_namespace.c:137)
[   79.500812][ T2162]  setup_net (net/core/net_namespace.c:446)
[   79.500959][ T2162]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   79.501135][ T2162]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   79.501326][ T2162]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   79.501508][ T2162]  copy_net_ns (net/core/net_namespace.c:579)
[   79.501705][ T2162]  create_new_namespaces (kernel/nsproxy.c:132)
[   79.501885][ T2162]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   79.502064][ T2162]  ksys_unshare (kernel/fork.c:3243)
[   79.502249][ T2162]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   79.502427][ T2162]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   79.502617][ T2162]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   79.502810][ T2162]  ? __ia32_sys_open (fs/open.c:1374)
[   79.502989][ T2162]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   79.503166][ T2162]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   79.503352][ T2162]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   79.503532][ T2162]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   79.503722][ T2162]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   79.503901][ T2162]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.504113][ T2162] RIP: 0033:0x7f2022bc7bcb
[   79.504305][ T2162] 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
[   79.504835][ T2162] RSP: 002b:00007ffce8a8b3e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   79.505079][ T2162] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2022bc7bcb
[   79.505331][ T2162] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   79.505607][ T2162] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   79.505859][ T2162] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce8a8d610
[   79.506098][ T2162] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce8a8f888
| [   79.510732][ T2162] ------------[ cut here ]------------
| [   79.510906][ T2162] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2162
| [   79.511209][ T2162] Modules linked in: xfrm_user nf_tables
| [   79.511725][ T2162] Tainted: [W]=WARN
[   79.511871][ T2162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.512079][ T2162] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.512304][ T2162] 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
[   79.512830][ T2162] RSP: 0018:ffa0000002a3f918 EFLAGS: 00010286
[   79.513039][ T2162] RAX: 00000000ffffffa6 RBX: ff11000012a38040 RCX: 1ff4000000547ee9
[   79.513285][ T2162] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012a380fc
[   79.513530][ T2162] RBP: ff11000012be1000 R08: 1fe2200002547021 R09: ff1100000de50b80
[   79.513782][ T2162] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   79.514020][ T2162] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012be1000
[   79.514268][ T2162] FS:  00007f2022905840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   79.514551][ T2162] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.514769][ T2162] CR2: 00007f2022b11690 CR3: 000000000b8ba003 CR4: 0000000000771ef0
[   79.515011][ T2162] PKRU: 55555554
[   79.515155][ T2162] Call Trace:
[   79.515306][ T2162]  <TASK>
[   79.515420][ T2162]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   79.515608][ T2162]  ? notifier_call_chain (kernel/notifier.c:85)
[   79.515802][ T2162]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   79.515949][ T2162]  register_netdevice (net/core/dev.c:11488)
[   79.516128][ T2162]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   79.516343][ T2162]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   79.516525][ T2162]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   79.516714][ T2162]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   79.516893][ T2162]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   79.517072][ T2162]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   79.517255][ T2162]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   79.517435][ T2162]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   79.517620][ T2162]  ops_init (net/core/net_namespace.c:137)
[   79.517778][ T2162]  setup_net (net/core/net_namespace.c:446)
[   79.517925][ T2162]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   79.518100][ T2162]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   79.518288][ T2162]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   79.518472][ T2162]  copy_net_ns (net/core/net_namespace.c:579)
[   79.518668][ T2162]  create_new_namespaces (kernel/nsproxy.c:132)
[   79.518846][ T2162]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   79.519024][ T2162]  ksys_unshare (kernel/fork.c:3243)
[   79.519200][ T2162]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   79.519382][ T2162]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   79.519570][ T2162]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   79.519760][ T2162]  ? __ia32_sys_open (fs/open.c:1374)
[   79.519940][ T2162]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   79.520115][ T2162]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   79.520301][ T2162]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   79.520478][ T2162]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   79.520671][ T2162]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   79.520848][ T2162]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.521057][ T2162] RIP: 0033:0x7f2022bc7bcb
[   79.521246][ T2162] 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
[   79.521768][ T2162] RSP: 002b:00007ffce8a8b3e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   79.522011][ T2162] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2022bc7bcb
[   79.522256][ T2162] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   79.522495][ T2162] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   79.522756][ T2162] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce8a8d610
[   79.522995][ T2162] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce8a8f888
| [   79.527265][ T2162] ------------[ cut here ]------------
| [   79.527442][ T2162] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2162
| [   79.527766][ T2162] Modules linked in: xfrm_user nf_tables
| [   79.528266][ T2162] Tainted: [W]=WARN
[   79.528411][ T2162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.528629][ T2162] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.528863][ T2162] 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
[   79.529379][ T2162] RSP: 0018:ffa0000002a3f8f8 EFLAGS: 00010286
[   79.529598][ T2162] RAX: 00000000ffffffa6 RBX: ff1100000f930ac0 RCX: 1ff4000000547ee5
[   79.529852][ T2162] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f930b7c
[   79.530096][ T2162] RBP: ff1100000e431000 R08: 1fe2200001f26171 R09: ff1100000de50b80
[   79.530346][ T2162] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   79.530594][ T2162] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e431000
[   79.530851][ T2162] FS:  00007f2022905840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   79.531129][ T2162] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.531347][ T2162] CR2: 00007f2022b11690 CR3: 000000000b8ba003 CR4: 0000000000771ef0
[   79.531600][ T2162] PKRU: 55555554
[   79.531761][ T2162] Call Trace:
[   79.531906][ T2162]  <TASK>
[   79.532021][ T2162]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   79.532204][ T2162]  ? notifier_call_chain (kernel/notifier.c:85)
[   79.532392][ T2162]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   79.532546][ T2162]  register_netdevice (net/core/dev.c:11488)
[   79.532738][ T2162]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   79.532950][ T2162]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   79.533132][ T2162]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   79.533315][ T2162]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   79.533496][ T2162]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   79.533698][ T2162]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   79.533879][ T2162]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   79.534059][ T2162]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   79.534245][ T2162]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   79.534427][ T2162]  vti_init_net (net/ipv4/ip_vti.c:517)
[   79.534616][ T2162]  ops_init (net/core/net_namespace.c:137)
[   79.534775][ T2162]  setup_net (net/core/net_namespace.c:446)
[   79.534926][ T2162]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   79.535103][ T2162]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   79.535292][ T2162]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   79.535476][ T2162]  copy_net_ns (net/core/net_namespace.c:579)
[   79.535678][ T2162]  create_new_namespaces (kernel/nsproxy.c:132)
[   79.535859][ T2162]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   79.536040][ T2162]  ksys_unshare (kernel/fork.c:3243)
[   79.536220][ T2162]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   79.536406][ T2162]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   79.536591][ T2162]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   79.536783][ T2162]  ? __ia32_sys_open (fs/open.c:1374)
[   79.536962][ T2162]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   79.537139][ T2162]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   79.537325][ T2162]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   79.537506][ T2162]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   79.537703][ T2162]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   79.537883][ T2162]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.538092][ T2162] RIP: 0033:0x7f2022bc7bcb
[   79.538282][ T2162] 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
[   79.538821][ T2162] RSP: 002b:00007ffce8a8b3e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   79.539063][ T2162] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2022bc7bcb
[   79.539314][ T2162] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   79.539562][ T2162] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   79.539820][ T2162] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce8a8d610
[   79.540062][ T2162] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce8a8f888
| [   79.544640][ T2162] ------------[ cut here ]------------
| [   79.544823][ T2162] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2162
| [   79.545128][ T2162] Modules linked in: xfrm_user nf_tables
| [   79.545630][ T2162] Tainted: [W]=WARN
[   79.545791][ T2162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.546000][ T2162] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.546217][ T2162] 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
[   79.546754][ T2162] RSP: 0018:ffa0000002a3fa78 EFLAGS: 00010286
[   79.546968][ T2162] RAX: 00000000ffffffa6 RBX: ff1100001246e040 RCX: 1ff4000000547f15
[   79.547209][ T2162] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e0fc
[   79.547456][ T2162] RBP: ff1100000f1a4000 R08: 1fe220000248dc21 R09: ff1100000de50b80
[   79.547719][ T2162] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   79.547964][ T2162] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f1a4000
[   79.548207][ T2162] FS:  00007f2022905840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   79.548491][ T2162] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.548724][ T2162] CR2: 00007f2022b11690 CR3: 000000000b8ba003 CR4: 0000000000771ef0
[   79.548971][ T2162] PKRU: 55555554
[   79.549115][ T2162] Call Trace:
[   79.549268][ T2162]  <TASK>
[   79.549383][ T2162]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   79.549570][ T2162]  ? notifier_call_chain (kernel/notifier.c:85)
[   79.549762][ T2162]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   79.549910][ T2162]  register_netdevice (net/core/dev.c:11488)
[   79.550178][ T2162]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   79.550401][ T2162]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.550590][ T2162]  register_netdev (net/core/dev.c:11552)
[   79.550869][ T2162]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   79.551051][ T2162]  ops_init (net/core/net_namespace.c:137)
[   79.551198][ T2162]  setup_net (net/core/net_namespace.c:446)
[   79.551348][ T2162]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   79.551526][ T2162]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   79.551804][ T2162]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   79.551986][ T2162]  copy_net_ns (net/core/net_namespace.c:579)
[   79.552165][ T2162]  create_new_namespaces (kernel/nsproxy.c:132)
[   79.552354][ T2162]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   79.552628][ T2162]  ksys_unshare (kernel/fork.c:3243)
[   79.552820][ T2162]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   79.552999][ T2162]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   79.553178][ T2162]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   79.553450][ T2162]  ? __ia32_sys_open (fs/open.c:1374)
[   79.553643][ T2162]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   79.553834][ T2162]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   79.554013][ T2162]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   79.554281][ T2162]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   79.554459][ T2162]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   79.554647][ T2162]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.554870][ T2162] RIP: 0033:0x7f2022bc7bcb
[   79.555145][ T2162] 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
[   79.555774][ T2162] RSP: 002b:00007ffce8a8b3e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   79.556017][ T2162] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2022bc7bcb
[   79.556268][ T2162] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   79.556604][ T2162] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   79.556856][ T2162] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce8a8d610
[   79.557095][ T2162] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce8a8f888
| [   79.562107][ T2162] ------------[ cut here ]------------
| [   79.562288][ T2162] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2162
| [   79.562692][ T2162] Modules linked in: xfrm_user nf_tables
| [   79.563184][ T2162] Tainted: [W]=WARN
[   79.563336][ T2162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.563647][ T2162] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.563879][ T2162] 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
[   79.564485][ T2162] RSP: 0018:ffa0000002a3fa68 EFLAGS: 00010286
[   79.564714][ T2162] RAX: 00000000ffffffa6 RBX: ff11000012a391c0 RCX: 1ff4000000547f13
[   79.565041][ T2162] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012a3927c
[   79.565292][ T2162] RBP: ff11000014db4000 R08: 1fe2200002547251 R09: ff1100000de50b80
[   79.565535][ T2162] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   79.565874][ T2162] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014db4000
[   79.566117][ T2162] FS:  00007f2022905840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   79.566489][ T2162] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.566721][ T2162] CR2: 00007f2022b11690 CR3: 000000000b8ba003 CR4: 0000000000771ef0
[   79.566965][ T2162] PKRU: 55555554
[   79.567109][ T2162] Call Trace:
[   79.567344][ T2162]  <TASK>
[   79.567459][ T2162]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   79.567647][ T2162]  ? notifier_call_chain (kernel/notifier.c:85)
[   79.567839][ T2162]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   79.567987][ T2162]  register_netdevice (net/core/dev.c:11488)
[   79.568259][ T2162]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   79.568472][ T2162]  register_netdev (net/core/dev.c:11552)
[   79.568667][ T2162]  sit_init_net (net/ipv6/sit.c:1860)
[   79.568931][ T2162]  ops_init (net/core/net_namespace.c:137)
[   79.569078][ T2162]  setup_net (net/core/net_namespace.c:446)
[   79.569227][ T2162]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   79.569414][ T2162]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   79.569598][ T2162]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   79.569791][ T2162]  copy_net_ns (net/core/net_namespace.c:579)
[   79.569972][ T2162]  create_new_namespaces (kernel/nsproxy.c:132)
[   79.570152][ T2162]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   79.570339][ T2162]  ksys_unshare (kernel/fork.c:3243)
[   79.570524][ T2162]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   79.570715][ T2162]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   79.570892][ T2162]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   79.571073][ T2162]  ? __ia32_sys_open (fs/open.c:1374)
[   79.571347][ T2162]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   79.571529][ T2162]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   79.571718][ T2162]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   79.571895][ T2162]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   79.572159][ T2162]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   79.572347][ T2162]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.572560][ T2162] RIP: 0033:0x7f2022bc7bcb
[   79.572845][ T2162] 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
[   79.573357][ T2162] RSP: 002b:00007ffce8a8b3e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   79.573703][ T2162] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2022bc7bcb
[   79.573942][ T2162] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   79.574182][ T2162] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   79.574524][ T2162] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce8a8d610
[   79.574779][ T2162] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce8a8f888
| [   79.592609][ T2162] ------------[ cut here ]------------
| [   79.592794][ T2162] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2162
| [   79.593099][ T2162] Modules linked in: xfrm_user nf_tables
| [   79.593617][ T2162] Tainted: [W]=WARN
[   79.593773][ T2162] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.593981][ T2162] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.594197][ T2162] 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
[   79.594781][ T2162] RSP: 0018:ffa0000002a3fa78 EFLAGS: 00010286
[   79.594989][ T2162] RAX: 00000000ffffffa6 RBX: ff1100001243fa80 RCX: 1ff4000000547f15
[   79.595229][ T2162] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243fb3c
[   79.595479][ T2162] RBP: ff1100000faac000 R08: 1fe2200002487f69 R09: ff1100000de50b80
[   79.595736][ T2162] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   79.595975][ T2162] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000faac000
[   79.596215][ T2162] FS:  00007f2022905840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   79.596498][ T2162] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.596728][ T2162] CR2: 00007f2022b11690 CR3: 000000000b8ba003 CR4: 0000000000771ef0
[   79.596971][ T2162] PKRU: 55555554
[   79.597115][ T2162] Call Trace:
[   79.597265][ T2162]  <TASK>
[   79.597381][ T2162]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   79.597565][ T2162]  ? notifier_call_chain (kernel/notifier.c:85)
[   79.597756][ T2162]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   79.597904][ T2162]  register_netdevice (net/core/dev.c:11488)
[   79.598083][ T2162]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   79.598298][ T2162]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.598478][ T2162]  register_netdev (net/core/dev.c:11552)
[   79.598674][ T2162]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   79.598854][ T2162]  ops_init (net/core/net_namespace.c:137)
[   79.599001][ T2162]  setup_net (net/core/net_namespace.c:446)
[   79.599147][ T2162]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   79.599330][ T2162]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   79.599511][ T2162]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   79.599706][ T2162]  copy_net_ns (net/core/net_namespace.c:579)
[   79.599884][ T2162]  create_new_namespaces (kernel/nsproxy.c:132)
[   79.600064][ T2162]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   79.600249][ T2162]  ksys_unshare (kernel/fork.c:3243)
[   79.600426][ T2162]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   79.600613][ T2162]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   79.600804][ T2162]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   79.600983][ T2162]  ? __ia32_sys_open (fs/open.c:1374)
[   79.601162][ T2162]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   79.601343][ T2162]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   79.601523][ T2162]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   79.601714][ T2162]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   79.601893][ T2162]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   79.602071][ T2162]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.602281][ T2162] RIP: 0033:0x7f2022bc7bcb
[   79.602462][ T2162] 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
[   79.602988][ T2162] RSP: 002b:00007ffce8a8b3e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   79.603230][ T2162] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2022bc7bcb
[   79.603480][ T2162] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   79.603739][ T2162] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   79.603978][ T2162] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffce8a8d610
[   79.604216][ T2162] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffce8a8f888
| [   79.638490][ T2163] ------------[ cut here ]------------
| [   79.638643][ T2163] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2163
| [   79.638913][ T2163] Modules linked in: xfrm_user nf_tables
| [   79.639325][ T2163] Tainted: [W]=WARN
[   79.639423][ T2163] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.639592][ T2163] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.639766][ T2163] 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
[   79.640240][ T2163] RSP: 0018:ffa0000002ccf020 EFLAGS: 00010286
[   79.640406][ T2163] RAX: 00000000ffffffa6 RBX: ff11000010239700 RCX: 1ff4000000599dca
[   79.640604][ T2163] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102397bc
[   79.640803][ T2163] RBP: ff11000008be1000 R08: 1fe22000020472f9 R09: ff1100000de55158
[   79.640997][ T2163] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   79.641189][ T2163] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   79.641389][ T2163] FS:  00007f9accc60840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   79.641620][ T2163] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.641790][ T2163] CR2: 00007f9accf301a0 CR3: 000000000fb6c005 CR4: 0000000000771ef0
[   79.641986][ T2163] PKRU: 55555554
[   79.642084][ T2163] Call Trace:
[   79.642181][ T2163]  <TASK>
[   79.642256][ T2163]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   79.642388][ T2163]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   79.642488][ T2163]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   79.642622][ T2163]  __dev_notify_flags (net/core/dev.c:9787)
[   79.642760][ T2163]  ? netif_change_name (net/core/dev.c:1495)
[   79.642894][ T2163]  ? __dev_change_flags (net/core/dev.c:9752)
[   79.643026][ T2163]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   79.643156][ T2163]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.643293][ T2163]  ? 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))
[   79.643427][ T2163]  netif_change_flags (net/core/dev.c:9820)
[   79.643563][ T2163]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   79.643698][ T2163]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   79.643833][ T2163]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   79.643965][ T2163]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   79.644127][ T2163]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   79.644262][ T2163]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   79.644394][ T2163]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   79.644527][ T2163]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   79.644757][ T2163]  ? __kernel_text_address (kernel/extable.c:79)
[   79.644977][ T2163]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   79.645110][ T2163]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.645246][ T2163]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   79.645379][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.645514][ T2163]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.645647][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.645852][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.645983][ T2163]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   79.646112][ T2163]  ? __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)
[   79.646249][ T2163]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   79.646379][ T2163]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   79.646514][ T2163]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   79.646648][ T2163]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   79.646866][ T2163]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   79.646999][ T2163]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.647130][ T2163]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   79.647267][ T2163]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   79.647398][ T2163]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   79.647532][ T2163]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.647752][ T2163]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.647889][ T2163]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   79.648020][ T2163]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   79.648150][ T2163]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.648287][ T2163]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   79.648416][ T2163]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   79.648550][ T2163]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   79.648736][ T2163]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.648867][ T2163]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   79.648997][ T2163]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.649129][ T2163]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   79.649265][ T2163]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   79.649395][ T2163]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.649528][ T2163]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   79.649717][ T2163]  ? 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))
[   79.649848][ T2163]  ? 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))
[   79.649980][ T2163]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   79.650113][ T2163]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   79.650249][ T2163]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   79.650381][ T2163]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   79.650515][ T2163]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   79.650647][ T2163]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   79.650839][ T2163]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   79.650969][ T2163]  ? copy_msghdr_from_user (net/socket.c:2635)
[   79.651099][ T2163]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   79.651269][ T2163]  ? move_addr_to_kernel (net/socket.c:258)
[   79.651401][ T2163]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   79.651533][ T2163]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   79.651689][ T2163]  ___sys_sendmsg (net/socket.c:2752)
[   79.651818][ T2163]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   79.651979][ T2163]  ? copy_msghdr_from_user (net/socket.c:2603)
[   79.652123][ T2163]  __sys_sendmsg (net/socket.c:2784)
[   79.652261][ T2163]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   79.652391][ T2163]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   79.652560][ T2163]  ? 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)
[   79.652695][ T2163]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.652827][ T2163]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   79.652956][ T2163]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   79.653085][ T2163]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   79.653216][ T2163]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.653383][ T2163] RIP: 0033:0x7f9acce9a08e
[   79.653521][ T2163] 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
[   79.653988][ T2163] RSP: 002b:00007ffe13ccc470 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   79.654184][ T2163] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9acce9a08e
[   79.654383][ T2163] RDX: 0000000000000000 RSI: 00007ffe13ccc520 RDI: 0000000000000005
[   79.654580][ T2163] RBP: 00007ffe13ccc480 R08: 0000000000000000 R09: 0000000000000000
[   79.654778][ T2163] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d879
[   79.654972][ T2163] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe13cccbf0
| [   79.778713][ T2167] ------------[ cut here ]------------
| [   79.778875][ T2167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2167
| [   79.779139][ T2167] Modules linked in: xfrm_user nf_tables
| [   79.779550][ T2167] Tainted: [W]=WARN
[   79.779650][ T2167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.780249][ T2167] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.780418][ T2167] 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
[   79.780894][ T2167] RSP: 0018:ffa0000002d3fa80 EFLAGS: 00010286
[   79.781058][ T2167] RAX: 00000000ffffffa6 RBX: ff11000009a63000 RCX: 1ff40000005a7f16
[   79.781258][ T2167] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a630bc
[   79.781456][ T2167] RBP: ff11000005859000 R08: 1fe220000134c619 R09: ff1100000539ae80
[   79.781663][ T2167] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   79.781856][ T2167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005859000
[   79.782053][ T2167] FS:  00007fab64af8840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   79.782283][ T2167] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.782447][ T2167] CR2: 00007fab64d027d0 CR3: 000000000a8f6001 CR4: 0000000000771ef0
[   79.782645][ T2167] PKRU: 55555554
[   79.782747][ T2167] Call Trace:
[   79.782844][ T2167]  <TASK>
[   79.782912][ T2167]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   79.783043][ T2167]  ? notifier_call_chain (kernel/notifier.c:85)
[   79.783173][ T2167]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   79.783277][ T2167]  register_netdevice (net/core/dev.c:11488)
[   79.783409][ T2167]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   79.783576][ T2167]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   79.783713][ T2167]  register_netdev (net/core/dev.c:11552)
[   79.783844][ T2167]  loopback_net_init (drivers/net/loopback.c:218)
[   79.783976][ T2167]  ops_init (net/core/net_namespace.c:137)
[   79.784076][ T2167]  setup_net (net/core/net_namespace.c:446)
[   79.784174][ T2167]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   79.784309][ T2167]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   79.784439][ T2167]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   79.784575][ T2167]  copy_net_ns (net/core/net_namespace.c:579)
[   79.784712][ T2167]  create_new_namespaces (kernel/nsproxy.c:132)
[   79.784844][ T2167]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   79.784974][ T2167]  ksys_unshare (kernel/fork.c:3243)
[   79.785105][ T2167]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   79.785238][ T2167]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   79.785367][ T2167]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   79.785497][ T2167]  ? __ia32_sys_open (fs/open.c:1374)
[   79.785632][ T2167]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   79.785764][ T2167]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   79.785892][ T2167]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   79.786021][ T2167]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   79.786153][ T2167]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   79.786288][ T2167]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.786450][ T2167] RIP: 0033:0x7fab64dbabcb
[   79.786588][ T2167] 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
[   79.787056][ T2167] RSP: 002b:00007ffc39e6b438 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   79.787257][ T2167] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fab64dbabcb
[   79.787451][ T2167] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   79.787648][ T2167] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   79.787846][ T2167] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc39e6d660
[   79.788039][ T2167] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc39e6f887
| [   79.792192][ T2167] ------------[ cut here ]------------
| [   79.792335][ T2167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2167
| [   79.792595][ T2167] Modules linked in: xfrm_user nf_tables
| [   79.792992][ T2167] Tainted: [W]=WARN
[   79.793092][ T2167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.793272][ T2167] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.793444][ T2167] 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
[   79.793914][ T2167] RSP: 0018:ffa0000002d3f918 EFLAGS: 00010286
[   79.794080][ T2167] RAX: 00000000ffffffa6 RBX: ff11000014d4e040 RCX: 1ff40000005a7ee9
[   79.794278][ T2167] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d4e0fc
[   79.794470][ T2167] RBP: ff110000058d4000 R08: 1fe22000029a9c21 R09: ff1100000539ae80
[   79.794670][ T2167] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   79.794865][ T2167] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058d4000
[   79.795060][ T2167] FS:  00007fab64af8840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   79.795294][ T2167] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.795456][ T2167] CR2: 00007fab64d027d0 CR3: 000000000a8f6001 CR4: 0000000000771ef0
[   79.795659][ T2167] PKRU: 55555554
[   79.795757][ T2167] Call Trace:
[   79.795853][ T2167]  <TASK>
[   79.795920][ T2167]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   79.796050][ T2167]  ? notifier_call_chain (kernel/notifier.c:85)
[   79.796180][ T2167]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   79.796283][ T2167]  register_netdevice (net/core/dev.c:11488)
[   79.796414][ T2167]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   79.796578][ T2167]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   79.796716][ T2167]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   79.796846][ T2167]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   79.796975][ T2167]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   79.797106][ T2167]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   79.797242][ T2167]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   79.797375][ T2167]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   79.797508][ T2167]  ops_init (net/core/net_namespace.c:137)
[   79.797607][ T2167]  setup_net (net/core/net_namespace.c:446)
[   79.797713][ T2167]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   79.797841][ T2167]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   79.797969][ T2167]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   79.798101][ T2167]  copy_net_ns (net/core/net_namespace.c:579)
[   79.798236][ T2167]  create_new_namespaces (kernel/nsproxy.c:132)
[   79.798369][ T2167]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   79.798503][ T2167]  ksys_unshare (kernel/fork.c:3243)
[   79.798634][ T2167]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   79.798769][ T2167]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   79.798899][ T2167]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   79.799029][ T2167]  ? __ia32_sys_open (fs/open.c:1374)
[   79.799161][ T2167]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   79.799295][ T2167]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   79.799423][ T2167]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   79.799558][ T2167]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   79.799692][ T2167]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   79.799821][ T2167]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.799980][ T2167] RIP: 0033:0x7fab64dbabcb
[   79.800113][ T2167] 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
[   79.800578][ T2167] RSP: 002b:00007ffc39e6b438 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   79.800777][ T2167] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fab64dbabcb
[   79.800969][ T2167] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   79.801161][ T2167] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   79.801361][ T2167] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc39e6d660
[   79.801557][ T2167] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc39e6f887
| [   79.805371][ T2167] ------------[ cut here ]------------
| [   79.805512][ T2167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2167
| [   79.805891][ T2167] Modules linked in: xfrm_user nf_tables
| [   79.806295][ T2167] Tainted: [W]=WARN
[   79.806395][ T2167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.806564][ T2167] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.806739][ T2167] 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
[   79.807205][ T2167] RSP: 0018:ffa0000002d3f8f8 EFLAGS: 00010286
[   79.807375][ T2167] RAX: 00000000ffffffa6 RBX: ff1100000c540e40 RCX: 1ff40000005a7ee5
[   79.807573][ T2167] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c540efc
[   79.807772][ T2167] RBP: ff110000092a9000 R08: 1fe22000018a81e1 R09: ff1100000539ae80
[   79.807966][ T2167] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   79.808162][ T2167] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000092a9000
[   79.808363][ T2167] FS:  00007fab64af8840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   79.808595][ T2167] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.808764][ T2167] CR2: 00007fab64d027d0 CR3: 000000000a8f6001 CR4: 0000000000771ef0
[   79.808960][ T2167] PKRU: 55555554
[   79.809057][ T2167] Call Trace:
[   79.809155][ T2167]  <TASK>
[   79.809221][ T2167]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   79.809357][ T2167]  ? notifier_call_chain (kernel/notifier.c:85)
[   79.809488][ T2167]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   79.809591][ T2167]  register_netdevice (net/core/dev.c:11488)
[   79.809729][ T2167]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   79.809893][ T2167]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   79.810028][ T2167]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   79.810159][ T2167]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   79.810294][ T2167]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   79.810425][ T2167]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   79.810560][ T2167]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   79.810698][ T2167]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   79.810829][ T2167]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   79.810964][ T2167]  vti_init_net (net/ipv4/ip_vti.c:517)
[   79.811095][ T2167]  ops_init (net/core/net_namespace.c:137)
[   79.811195][ T2167]  setup_net (net/core/net_namespace.c:446)
[   79.811302][ T2167]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   79.811432][ T2167]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   79.811567][ T2167]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   79.811704][ T2167]  copy_net_ns (net/core/net_namespace.c:579)
[   79.811838][ T2167]  create_new_namespaces (kernel/nsproxy.c:132)
[   79.811973][ T2167]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   79.812104][ T2167]  ksys_unshare (kernel/fork.c:3243)
[   79.812240][ T2167]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   79.812373][ T2167]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   79.812508][ T2167]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   79.812640][ T2167]  ? __ia32_sys_open (fs/open.c:1374)
[   79.812777][ T2167]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   79.812910][ T2167]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   79.813042][ T2167]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   79.813173][ T2167]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   79.813309][ T2167]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   79.813439][ T2167]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.813606][ T2167] RIP: 0033:0x7fab64dbabcb
[   79.813747][ T2167] 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
[   79.814217][ T2167] RSP: 002b:00007ffc39e6b438 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   79.814420][ T2167] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fab64dbabcb
[   79.814619][ T2167] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   79.814820][ T2167] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   79.815015][ T2167] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc39e6d660
[   79.815209][ T2167] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc39e6f887
| [   79.819285][ T2167] ------------[ cut here ]------------
| [   79.819422][ T2167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2167
| [   79.820177][ T2167] Modules linked in: xfrm_user nf_tables
| [   79.820583][ T2167] Tainted: [W]=WARN
[   79.820738][ T2167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.820954][ T2167] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.821121][ T2167] 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
[   79.821591][ T2167] RSP: 0018:ffa0000002d3fa78 EFLAGS: 00010286
[   79.821812][ T2167] RAX: 00000000ffffffa6 RBX: ff1100000c541c40 RCX: 1ff40000005a7f15
[   79.822004][ T2167] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c541cfc
[   79.822199][ T2167] RBP: ff110000087cc000 R08: 1fe22000018a83a1 R09: ff1100000539ae80
[   79.822398][ T2167] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   79.822595][ T2167] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000087cc000
[   79.822845][ T2167] FS:  00007fab64af8840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   79.823074][ T2167] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.823239][ T2167] CR2: 00007fab64d027d0 CR3: 000000000a8f6001 CR4: 0000000000771ef0
[   79.823434][ T2167] PKRU: 55555554
[   79.823533][ T2167] Call Trace:
[   79.823630][ T2167]  <TASK>
[   79.823749][ T2167]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   79.823879][ T2167]  ? notifier_call_chain (kernel/notifier.c:85)
[   79.824009][ T2167]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   79.824108][ T2167]  register_netdevice (net/core/dev.c:11488)
[   79.824242][ T2167]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   79.824405][ T2167]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.824541][ T2167]  register_netdev (net/core/dev.c:11552)
[   79.824725][ T2167]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   79.824854][ T2167]  ops_init (net/core/net_namespace.c:137)
[   79.824953][ T2167]  setup_net (net/core/net_namespace.c:446)
[   79.825052][ T2167]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   79.825181][ T2167]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   79.825314][ T2167]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   79.825445][ T2167]  copy_net_ns (net/core/net_namespace.c:579)
[   79.825580][ T2167]  create_new_namespaces (kernel/nsproxy.c:132)
[   79.825766][ T2167]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   79.825899][ T2167]  ksys_unshare (kernel/fork.c:3243)
[   79.826027][ T2167]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   79.826157][ T2167]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   79.826291][ T2167]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   79.826421][ T2167]  ? __ia32_sys_open (fs/open.c:1374)
[   79.826558][ T2167]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   79.826741][ T2167]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   79.826869][ T2167]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   79.826999][ T2167]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   79.827129][ T2167]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   79.827265][ T2167]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.827424][ T2167] RIP: 0033:0x7fab64dbabcb
[   79.827562][ T2167] 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
[   79.828080][ T2167] RSP: 002b:00007ffc39e6b438 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   79.828279][ T2167] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fab64dbabcb
[   79.828470][ T2167] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   79.828720][ T2167] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   79.828914][ T2167] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc39e6d660
[   79.829104][ T2167] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc39e6f887
| [   79.837718][ T2167] ------------[ cut here ]------------
| [   79.837864][ T2167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/2167
| [   79.838118][ T2167] Modules linked in: xfrm_user nf_tables
| [   79.838518][ T2167] Tainted: [W]=WARN
[   79.838620][ T2167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.838797][ T2167] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.838964][ T2167] 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
[   79.839427][ T2167] RSP: 0018:ffa0000002d3fa68 EFLAGS: 00010286
[   79.839592][ T2167] RAX: 00000000ffffffa6 RBX: ff11000014d4fc40 RCX: 1ff40000005a7f13
[   79.839792][ T2167] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d4fcfc
[   79.839984][ T2167] RBP: ff11000002654000 R08: 1fe22000029a9fa1 R09: ff1100000539ae80
[   79.840176][ T2167] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   79.840371][ T2167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000002654000
[   79.840568][ T2167] FS:  00007fab64af8840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   79.840802][ T2167] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.840967][ T2167] CR2: 000055d4019fd278 CR3: 000000000a8f6005 CR4: 0000000000771ef0
[   79.841160][ T2167] PKRU: 55555554
[   79.841261][ T2167] Call Trace:
[   79.841359][ T2167]  <TASK>
[   79.841425][ T2167]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   79.841557][ T2167]  ? notifier_call_chain (kernel/notifier.c:85)
[   79.841692][ T2167]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   79.841790][ T2167]  register_netdevice (net/core/dev.c:11488)
[   79.841921][ T2167]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   79.842084][ T2167]  register_netdev (net/core/dev.c:11552)
[   79.842212][ T2167]  sit_init_net (net/ipv6/sit.c:1860)
[   79.842348][ T2167]  ops_init (net/core/net_namespace.c:137)
[   79.842447][ T2167]  setup_net (net/core/net_namespace.c:446)
[   79.842547][ T2167]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   79.842679][ T2167]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   79.842807][ T2167]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   79.842939][ T2167]  copy_net_ns (net/core/net_namespace.c:579)
[   79.843067][ T2167]  create_new_namespaces (kernel/nsproxy.c:132)
[   79.843200][ T2167]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   79.843333][ T2167]  ksys_unshare (kernel/fork.c:3243)
[   79.843461][ T2167]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   79.843593][ T2167]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   79.843758][ T2167]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   79.843887][ T2167]  ? __ia32_sys_open (fs/open.c:1374)
[   79.844018][ T2167]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   79.844147][ T2167]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   79.844279][ T2167]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   79.844408][ T2167]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   79.844539][ T2167]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   79.844671][ T2167]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.844830][ T2167] RIP: 0033:0x7fab64dbabcb
[   79.844964][ T2167] 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
[   79.845426][ T2167] RSP: 002b:00007ffc39e6b438 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   79.845622][ T2167] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fab64dbabcb
[   79.845823][ T2167] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   79.846016][ T2167] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   79.846205][ T2167] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc39e6d660
[   79.846400][ T2167] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc39e6f887
| [   79.850990][ T2167] ------------[ cut here ]------------
| [   79.851124][ T2167] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/2167
| [   79.851381][ T2167] Modules linked in: xfrm_user nf_tables
| [   79.852289][ T2167] Tainted: [W]=WARN
[   79.852389][ T2167] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.852553][ T2167] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.852776][ T2167] 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
[   79.853240][ T2167] RSP: 0018:ffa0000002d3fa78 EFLAGS: 00010286
[   79.853403][ T2167] RAX: 00000000ffffffa6 RBX: ff110000123c3e00 RCX: 1ff40000005a7f15
[   79.853598][ T2167] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000123c3ebc
[   79.853844][ T2167] RBP: ff11000007851000 R08: 1fe22000024787d9 R09: ff1100000539ae80
[   79.854092][ T2167] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   79.854290][ T2167] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007851000
[   79.854484][ T2167] FS:  00007fab64af8840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   79.854767][ T2167] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.854929][ T2167] CR2: 000055d4019fd278 CR3: 000000000a8f6005 CR4: 0000000000771ef0
[   79.855121][ T2167] PKRU: 55555554
[   79.855217][ T2167] Call Trace:
[   79.855319][ T2167]  <TASK>
[   79.855386][ T2167]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   79.855516][ T2167]  ? notifier_call_chain (kernel/notifier.c:85)
[   79.855647][ T2167]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   79.855797][ T2167]  register_netdevice (net/core/dev.c:11488)
[   79.855929][ T2167]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   79.856087][ T2167]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.856218][ T2167]  register_netdev (net/core/dev.c:11552)
[   79.856352][ T2167]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   79.856481][ T2167]  ops_init (net/core/net_namespace.c:137)
[   79.856582][ T2167]  setup_net (net/core/net_namespace.c:446)
[   79.856735][ T2167]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   79.856865][ T2167]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   79.856994][ T2167]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   79.857124][ T2167]  copy_net_ns (net/core/net_namespace.c:579)
[   79.857257][ T2167]  create_new_namespaces (kernel/nsproxy.c:132)
[   79.857388][ T2167]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   79.857517][ T2167]  ksys_unshare (kernel/fork.c:3243)
[   79.857647][ T2167]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   79.857831][ T2167]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   79.857959][ T2167]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   79.858088][ T2167]  ? __ia32_sys_open (fs/open.c:1374)
[   79.858219][ T2167]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   79.858352][ T2167]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   79.858479][ T2167]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   79.858609][ T2167]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   79.858792][ T2167]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   79.858920][ T2167]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.859078][ T2167] RIP: 0033:0x7fab64dbabcb
[   79.859211][ T2167] 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
[   79.859728][ T2167] RSP: 002b:00007ffc39e6b438 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   79.859930][ T2167] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fab64dbabcb
[   79.860119][ T2167] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   79.860316][ T2167] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   79.860510][ T2167] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc39e6d660
[   79.860758][ T2167] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc39e6f887
| [   79.886238][ T2168] ------------[ cut here ]------------
| [   79.886415][ T2168] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2168
| [   79.887271][ T2168] Modules linked in: xfrm_user nf_tables
| [   79.887776][ T2168] Tainted: [W]=WARN
[   79.887919][ T2168] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   79.888124][ T2168] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   79.888345][ T2168] 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
[   79.888862][ T2168] RSP: 0018:ffa0000002d4f020 EFLAGS: 00010286
[   79.889071][ T2168] RAX: 00000000ffffffa6 RBX: ff1100000f931000 RCX: 1ff40000005a9dca
[   79.889312][ T2168] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f9310bc
[   79.889558][ T2168] RBP: ff11000005859000 R08: 1fe2200001f26219 R09: ff1100000f220b58
[   79.889809][ T2168] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   79.890046][ T2168] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   79.890293][ T2168] FS:  00007fca4c7f6840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   79.890575][ T2168] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   79.890796][ T2168] CR2: 000000003dcb3988 CR3: 000000000f8c7005 CR4: 0000000000771ef0
[   79.891035][ T2168] PKRU: 55555554
[   79.891177][ T2168] Call Trace:
[   79.891328][ T2168]  <TASK>
[   79.891441][ T2168]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   79.891627][ T2168]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   79.891790][ T2168]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   79.891966][ T2168]  __dev_notify_flags (net/core/dev.c:9787)
[   79.892144][ T2168]  ? netif_change_name (net/core/dev.c:1495)
[   79.892328][ T2168]  ? __dev_change_flags (net/core/dev.c:9752)
[   79.892507][ T2168]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   79.892698][ T2168]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.892876][ T2168]  ? 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))
[   79.893057][ T2168]  netif_change_flags (net/core/dev.c:9820)
[   79.893241][ T2168]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   79.893418][ T2168]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   79.893605][ T2168]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   79.893794][ T2168]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   79.894001][ T2168]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   79.894179][ T2168]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   79.894366][ T2168]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   79.894548][ T2168]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   79.894734][ T2168]  ? __kernel_text_address (kernel/extable.c:79)
[   79.894910][ T2168]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   79.895088][ T2168]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.895269][ T2168]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   79.895449][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.895633][ T2168]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   79.895820][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.895996][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.896171][ T2168]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   79.896355][ T2168]  ? __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)
[   79.896536][ T2168]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   79.896726][ T2168]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   79.896906][ T2168]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   79.897084][ T2168]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   79.897270][ T2168]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   79.897448][ T2168]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.897626][ T2168]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   79.897815][ T2168]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   79.897993][ T2168]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   79.898169][ T2168]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.898358][ T2168]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.898539][ T2168]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   79.898729][ T2168]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   79.898904][ T2168]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   79.899080][ T2168]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   79.899263][ T2168]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   79.899440][ T2168]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   79.899622][ T2168]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.899809][ T2168]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   79.899988][ T2168]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   79.900162][ T2168]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   79.900346][ T2168]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   79.900525][ T2168]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   79.900714][ T2168]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   79.900894][ T2168]  ? 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))
[   79.901071][ T2168]  ? 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))
[   79.901255][ T2168]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   79.901434][ T2168]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   79.901619][ T2168]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   79.901807][ T2168]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   79.901985][ T2168]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   79.902161][ T2168]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   79.902346][ T2168]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   79.902527][ T2168]  ? copy_msghdr_from_user (net/socket.c:2635)
[   79.902716][ T2168]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   79.902921][ T2168]  ? move_addr_to_kernel (net/socket.c:258)
[   79.903098][ T2168]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   79.903282][ T2168]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   79.903459][ T2168]  ___sys_sendmsg (net/socket.c:2752)
[   79.903646][ T2168]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   79.903869][ T2168]  ? copy_msghdr_from_user (net/socket.c:2603)
[   79.904056][ T2168]  __sys_sendmsg (net/socket.c:2784)
[   79.904241][ T2168]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   79.904415][ T2168]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   79.904631][ T2168]  ? 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)
[   79.904820][ T2168]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   79.904996][ T2168]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   79.905173][ T2168]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   79.905361][ T2168]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   79.905543][ T2168]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   79.905763][ T2168] RIP: 0033:0x7fca4ca3008e
[   79.905942][ T2168] 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
[   79.906453][ T2168] RSP: 002b:00007ffead103020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   79.906714][ T2168] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fca4ca3008e
[   79.906951][ T2168] RDX: 0000000000000000 RSI: 00007ffead1030d0 RDI: 0000000000000005
[   79.907188][ T2168] RBP: 00007ffead103030 R08: 0000000000000000 R09: 0000000000000000
[   79.907436][ T2168] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87a
[   79.907693][ T2168] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffead1037a0
| [   80.027739][ T2172] ------------[ cut here ]------------
| [   80.027926][ T2172] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2172
| [   80.028253][ T2172] Modules linked in: xfrm_user nf_tables
| [   80.028831][ T2172] Tainted: [W]=WARN
[   80.029063][ T2172] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.029341][ T2172] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.029620][ T2172] 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
[   80.030140][ T2172] RSP: 0018:ffa0000002d8fa80 EFLAGS: 00010286
[   80.030361][ T2172] RAX: 00000000ffffffa6 RBX: ff1100000e7f3c40 RCX: 1ff40000005b1f16
[   80.030614][ T2172] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e7f3cfc
[   80.030869][ T2172] RBP: ff11000014cd9000 R08: 1fe2200001cfe7a1 R09: ff1100000a8ed180
[   80.031122][ T2172] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   80.031372][ T2172] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014cd9000
[   80.031622][ T2172] FS:  00007fca59fb2840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   80.031912][ T2172] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.032124][ T2172] CR2: 00007fca5a1b9430 CR3: 000000000e44f005 CR4: 0000000000771ef0
[   80.032374][ T2172] PKRU: 55555554
[   80.032521][ T2172] Call Trace:
[   80.032680][ T2172]  <TASK>
[   80.032796][ T2172]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.032975][ T2172]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.033153][ T2172]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.033309][ T2172]  register_netdevice (net/core/dev.c:11488)
[   80.033493][ T2172]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.033729][ T2172]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   80.033911][ T2172]  register_netdev (net/core/dev.c:11552)
[   80.034089][ T2172]  loopback_net_init (drivers/net/loopback.c:218)
[   80.034276][ T2172]  ops_init (net/core/net_namespace.c:137)
[   80.034426][ T2172]  setup_net (net/core/net_namespace.c:446)
[   80.034584][ T2172]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.034774][ T2172]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.034955][ T2172]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.035137][ T2172]  copy_net_ns (net/core/net_namespace.c:579)
[   80.035328][ T2172]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.035516][ T2172]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.035710][ T2172]  ksys_unshare (kernel/fork.c:3243)
[   80.035889][ T2172]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.036068][ T2172]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.036253][ T2172]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.036434][ T2172]  ? __ia32_sys_open (fs/open.c:1374)
[   80.036623][ T2172]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.036814][ T2172]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.036992][ T2172]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.037171][ T2172]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.037359][ T2172]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.037543][ T2172]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.037766][ T2172] RIP: 0033:0x7fca5a274bcb
[   80.037952][ T2172] 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
[   80.038473][ T2172] RSP: 002b:00007ffe4eb8ffb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   80.038734][ T2172] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fca5a274bcb
[   80.038977][ T2172] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.039220][ T2172] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.039469][ T2172] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe4eb921e0
[   80.039730][ T2172] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe4eb92887
| [   80.044502][ T2172] ------------[ cut here ]------------
| [   80.044694][ T2172] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2172
| [   80.044998][ T2172] Modules linked in: xfrm_user nf_tables
| [   80.045495][ T2172] Tainted: [W]=WARN
[   80.045663][ T2172] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.045878][ T2172] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.046092][ T2172] 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
[   80.046615][ T2172] RSP: 0018:ffa0000002d8f918 EFLAGS: 00010286
[   80.046914][ T2172] RAX: 00000000ffffffa6 RBX: ff1100000df54580 RCX: 1ff40000005b1ee9
[   80.047212][ T2172] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df5463c
[   80.047526][ T2172] RBP: ff110000090b1000 R08: 1fe2200001bea8c9 R09: ff1100000a8ed180
[   80.047842][ T2172] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   80.048136][ T2172] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000090b1000
[   80.048440][ T2172] FS:  00007fca59fb2840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   80.048790][ T2172] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.049054][ T2172] CR2: 00007fca5a1b9430 CR3: 000000000e44f005 CR4: 0000000000771ef0
[   80.049360][ T2172] PKRU: 55555554
[   80.049566][ T2172] Call Trace:
[   80.049778][ T2172]  <TASK>
[   80.049946][ T2172]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.050179][ T2172]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.050420][ T2172]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.050631][ T2172]  register_netdevice (net/core/dev.c:11488)
[   80.050878][ T2172]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.051141][ T2172]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   80.051382][ T2172]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   80.051627][ T2172]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   80.051871][ T2172]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   80.052104][ T2172]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   80.052344][ T2172]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   80.052584][ T2172]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   80.052831][ T2172]  ops_init (net/core/net_namespace.c:137)
[   80.053031][ T2172]  setup_net (net/core/net_namespace.c:446)
[   80.053230][ T2172]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.053470][ T2172]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.053720][ T2172]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.053953][ T2172]  copy_net_ns (net/core/net_namespace.c:579)
[   80.054185][ T2172]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.054430][ T2172]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.054687][ T2172]  ksys_unshare (kernel/fork.c:3243)
[   80.054919][ T2172]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.055149][ T2172]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.055371][ T2172]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.055557][ T2172]  ? __ia32_sys_open (fs/open.c:1374)
[   80.055754][ T2172]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.055932][ T2172]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.056109][ T2172]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.056296][ T2172]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.056473][ T2172]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.056670][ T2172]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.056879][ T2172] RIP: 0033:0x7fca5a274bcb
[   80.057061][ T2172] 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
[   80.057582][ T2172] RSP: 002b:00007ffe4eb8ffb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   80.057835][ T2172] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fca5a274bcb
[   80.058075][ T2172] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.058326][ T2172] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.058574][ T2172] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe4eb921e0
[   80.058830][ T2172] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe4eb92887
| [   80.070594][ T2172] ------------[ cut here ]------------
| [   80.070777][ T2172] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2172
| [   80.071086][ T2172] Modules linked in: xfrm_user nf_tables
| [   80.071593][ T2172] Tainted: [W]=WARN
[   80.071753][ T2172] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.071965][ T2172] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.072181][ T2172] 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
[   80.072717][ T2172] RSP: 0018:ffa0000002d8f8f8 EFLAGS: 00010286
[   80.072929][ T2172] RAX: 00000000ffffffa6 RBX: ff11000012120040 RCX: 1ff40000005b1ee5
[   80.073170][ T2172] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121200fc
[   80.073419][ T2172] RBP: ff11000010afc000 R08: 1fe2200002424021 R09: ff1100000a8ed180
[   80.073681][ T2172] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   80.073923][ T2172] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010afc000
[   80.074166][ T2172] FS:  00007fca59fb2840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   80.074445][ T2172] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.074674][ T2172] CR2: 00007fca5a1b9430 CR3: 000000000e44f005 CR4: 0000000000771ef0
[   80.074916][ T2172] PKRU: 55555554
[   80.075060][ T2172] Call Trace:
[   80.075203][ T2172]  <TASK>
[   80.075324][ T2172]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.075505][ T2172]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.075700][ T2172]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.075849][ T2172]  register_netdevice (net/core/dev.c:11488)
[   80.076028][ T2172]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.076246][ T2172]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   80.076427][ T2172]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   80.076616][ T2172]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   80.076805][ T2172]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   80.076985][ T2172]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   80.077165][ T2172]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   80.077349][ T2172]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   80.077529][ T2172]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   80.077723][ T2172]  vti_init_net (net/ipv4/ip_vti.c:517)
[   80.077901][ T2172]  ops_init (net/core/net_namespace.c:137)
[   80.078050][ T2172]  setup_net (net/core/net_namespace.c:446)
[   80.078197][ T2172]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.078379][ T2172]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.078565][ T2172]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.078759][ T2172]  copy_net_ns (net/core/net_namespace.c:579)
[   80.078940][ T2172]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.079121][ T2172]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.079312][ T2172]  ksys_unshare (kernel/fork.c:3243)
[   80.079491][ T2172]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.079689][ T2172]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.079868][ T2172]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.080047][ T2172]  ? __ia32_sys_open (fs/open.c:1374)
[   80.080227][ T2172]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.080415][ T2172]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.080602][ T2172]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.080792][ T2172]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.080970][ T2172]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.081150][ T2172]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.081368][ T2172] RIP: 0033:0x7fca5a274bcb
[   80.081559][ T2172] 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
[   80.082081][ T2172] RSP: 002b:00007ffe4eb8ffb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   80.082334][ T2172] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fca5a274bcb
[   80.082584][ T2172] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.082836][ T2172] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.083078][ T2172] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe4eb921e0
[   80.083328][ T2172] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe4eb92887
| [   80.087860][ T2172] ------------[ cut here ]------------
| [   80.088037][ T2172] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2172
| [   80.088347][ T2172] Modules linked in: xfrm_user nf_tables
| [   80.088854][ T2172] Tainted: [W]=WARN
[   80.088999][ T2172] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.089207][ T2172] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.089430][ T2172] 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
[   80.089952][ T2172] RSP: 0018:ffa0000002d8fa78 EFLAGS: 00010286
[   80.090164][ T2172] RAX: 00000000ffffffa6 RBX: ff1100001243e580 RCX: 1ff40000005b1f15
[   80.090408][ T2172] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243e63c
[   80.090667][ T2172] RBP: ff1100000e434000 R08: 1fe2200002487cc9 R09: ff1100000a8ed180
[   80.090908][ T2172] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   80.091146][ T2172] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e434000
[   80.091398][ T2172] FS:  00007fca59fb2840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   80.091691][ T2172] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.091902][ T2172] CR2: 00007fca5a1b9430 CR3: 000000000e44f005 CR4: 0000000000771ef0
[   80.092145][ T2172] PKRU: 55555554
[   80.092296][ T2172] Call Trace:
[   80.092439][ T2172]  <TASK>
[   80.092559][ T2172]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.092750][ T2172]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.092927][ T2172]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.093074][ T2172]  register_netdevice (net/core/dev.c:11488)
[   80.093261][ T2172]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.093466][ T2172]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.093665][ T2172]  register_netdev (net/core/dev.c:11552)
[   80.093843][ T2172]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   80.094021][ T2172]  ops_init (net/core/net_namespace.c:137)
[   80.094167][ T2172]  setup_net (net/core/net_namespace.c:446)
[   80.094316][ T2172]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.094495][ T2172]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.094696][ T2172]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.094875][ T2172]  copy_net_ns (net/core/net_namespace.c:579)
[   80.095052][ T2172]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.095232][ T2172]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.095417][ T2172]  ksys_unshare (kernel/fork.c:3243)
[   80.095601][ T2172]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.095794][ T2172]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.095971][ T2172]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.096149][ T2172]  ? __ia32_sys_open (fs/open.c:1374)
[   80.096337][ T2172]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.096515][ T2172]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.096702][ T2172]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.096879][ T2172]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.097054][ T2172]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.097241][ T2172]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.097447][ T2172] RIP: 0033:0x7fca5a274bcb
[   80.097637][ T2172] 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
[   80.098154][ T2172] RSP: 002b:00007ffe4eb8ffb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   80.098405][ T2172] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fca5a274bcb
[   80.098664][ T2172] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.098904][ T2172] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.099143][ T2172] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe4eb921e0
[   80.099395][ T2172] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe4eb92887
| [   80.103896][ T2172] ------------[ cut here ]------------
| [   80.104072][ T2172] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2172
| [   80.104384][ T2172] Modules linked in: xfrm_user nf_tables
| [   80.104891][ T2172] Tainted: [W]=WARN
[   80.105036][ T2172] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.105251][ T2172] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.105469][ T2172] 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
[   80.105989][ T2172] RSP: 0018:ffa0000002d8fa68 EFLAGS: 00010286
[   80.106200][ T2172] RAX: 00000000ffffffa6 RBX: ff1100000df55700 RCX: 1ff40000005b1f13
[   80.106446][ T2172] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df557bc
[   80.106702][ T2172] RBP: ff1100000f8bc000 R08: 1fe2200001beaaf9 R09: ff1100000a8ed180
[   80.106943][ T2172] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   80.107182][ T2172] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f8bc000
[   80.107433][ T2172] FS:  00007fca59fb2840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   80.107726][ T2172] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.107935][ T2172] CR2: 00007fca5a1b9430 CR3: 000000000e44f005 CR4: 0000000000771ef0
[   80.108176][ T2172] PKRU: 55555554
[   80.108327][ T2172] Call Trace:
[   80.108469][ T2172]  <TASK>
[   80.108590][ T2172]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.108783][ T2172]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.108960][ T2172]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.109106][ T2172]  register_netdevice (net/core/dev.c:11488)
[   80.109293][ T2172]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.109509][ T2172]  register_netdev (net/core/dev.c:11552)
[   80.109701][ T2172]  sit_init_net (net/ipv6/sit.c:1860)
[   80.109880][ T2172]  ops_init (net/core/net_namespace.c:137)
[   80.110030][ T2172]  setup_net (net/core/net_namespace.c:446)
[   80.110176][ T2172]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.110365][ T2172]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.110549][ T2172]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.110737][ T2172]  copy_net_ns (net/core/net_namespace.c:579)
[   80.110915][ T2172]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.111094][ T2172]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.111284][ T2172]  ksys_unshare (kernel/fork.c:3243)
[   80.111459][ T2172]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.111646][ T2172]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.111836][ T2172]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.112015][ T2172]  ? __ia32_sys_open (fs/open.c:1374)
[   80.112195][ T2172]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.112380][ T2172]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.112568][ T2172]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.112758][ T2172]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.112932][ T2172]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.113108][ T2172]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.113322][ T2172] RIP: 0033:0x7fca5a274bcb
[   80.113508][ T2172] 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
[   80.114030][ T2172] RSP: 002b:00007ffe4eb8ffb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   80.114279][ T2172] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fca5a274bcb
[   80.114523][ T2172] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.114777][ T2172] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.115019][ T2172] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe4eb921e0
[   80.115265][ T2172] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe4eb92887
| [   80.120313][ T2172] ------------[ cut here ]------------
| [   80.120489][ T2172] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2172
| [   80.120813][ T2172] Modules linked in: xfrm_user nf_tables
| [   80.121313][ T2172] Tainted: [W]=WARN
[   80.121457][ T2172] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.121686][ T2172] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.121902][ T2172] 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
[   80.122414][ T2172] RSP: 0018:ffa0000002d8fa78 EFLAGS: 00010286
[   80.122634][ T2172] RAX: 00000000ffffffa6 RBX: ff1100000d362c80 RCX: 1ff40000005b1f15
[   80.122888][ T2172] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d362d3c
[   80.123128][ T2172] RBP: ff1100000a3c4000 R08: 1fe2200001a6c5a9 R09: ff1100000a8ed180
[   80.123380][ T2172] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   80.123632][ T2172] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a3c4000
[   80.123888][ T2172] FS:  00007fca59fb2840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   80.124164][ T2172] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.124380][ T2172] CR2: 00007fca5a1b9430 CR3: 000000000e44f005 CR4: 0000000000771ef0
[   80.124637][ T2172] PKRU: 55555554
[   80.124793][ T2172] Call Trace:
[   80.124937][ T2172]  <TASK>
[   80.125051][ T2172]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.125229][ T2172]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.125414][ T2172]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.125567][ T2172]  register_netdevice (net/core/dev.c:11488)
[   80.125760][ T2172]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.125972][ T2172]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.126154][ T2172]  register_netdev (net/core/dev.c:11552)
[   80.126342][ T2172]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   80.126525][ T2172]  ops_init (net/core/net_namespace.c:137)
[   80.126685][ T2172]  setup_net (net/core/net_namespace.c:446)
[   80.126921][ T2172]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.127096][ T2172]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.127282][ T2172]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.127462][ T2172]  copy_net_ns (net/core/net_namespace.c:579)
[   80.127750][ T2172]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.127930][ T2172]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.128109][ T2172]  ksys_unshare (kernel/fork.c:3243)
[   80.128295][ T2172]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.128565][ T2172]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.128760][ T2172]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.128940][ T2172]  ? __ia32_sys_open (fs/open.c:1374)
[   80.129120][ T2172]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.129393][ T2172]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.129584][ T2172]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.129777][ T2172]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.129954][ T2172]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.130218][ T2172]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.130440][ T2172] RIP: 0033:0x7fca5a274bcb
[   80.130628][ T2172] 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
[   80.131247][ T2172] RSP: 002b:00007ffe4eb8ffb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   80.131494][ T2172] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fca5a274bcb
[   80.131844][ T2172] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.132086][ T2172] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.132422][ T2172] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe4eb921e0
[   80.132684][ T2172] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe4eb92887
| [   80.170829][ T2173] ------------[ cut here ]------------
| [   80.170977][ T2173] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2173
| [   80.171251][ T2173] Modules linked in: xfrm_user nf_tables
| [   80.171666][ T2173] Tainted: [W]=WARN
[   80.171766][ T2173] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.171931][ T2173] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.172099][ T2173] 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
[   80.172568][ T2173] RSP: 0018:ffa0000002d9f020 EFLAGS: 00010286
[   80.172737][ T2173] RAX: 00000000ffffffa6 RBX: ff11000009a62740 RCX: 1ff40000005b3dca
[   80.172933][ T2173] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a627fc
[   80.173127][ T2173] RBP: ff11000014cd9000 R08: 1fe220000134c501 R09: ff11000014c9d158
[   80.173327][ T2173] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   80.173525][ T2173] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   80.173726][ T2173] FS:  00007f4110c17840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   80.173952][ T2173] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.174115][ T2173] CR2: 000000003d0cc988 CR3: 00000000098bf003 CR4: 0000000000771ef0
[   80.174313][ T2173] PKRU: 55555554
[   80.174411][ T2173] Call Trace:
[   80.174513][ T2173]  <TASK>
[   80.174580][ T2173]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.174717][ T2173]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.174816][ T2173]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   80.174945][ T2173]  __dev_notify_flags (net/core/dev.c:9787)
[   80.175077][ T2173]  ? netif_change_name (net/core/dev.c:1495)
[   80.175206][ T2173]  ? __dev_change_flags (net/core/dev.c:9752)
[   80.175343][ T2173]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   80.175474][ T2173]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.175609][ T2173]  ? 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))
[   80.175746][ T2173]  netif_change_flags (net/core/dev.c:9820)
[   80.175876][ T2173]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   80.176006][ T2173]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   80.176139][ T2173]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   80.176276][ T2173]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   80.176441][ T2173]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   80.176575][ T2173]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   80.176709][ T2173]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   80.176838][ T2173]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   80.176969][ T2173]  ? __kernel_text_address (kernel/extable.c:79)
[   80.177099][ T2173]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   80.177232][ T2173]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   80.177365][ T2173]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   80.177497][ T2173]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   80.177630][ T2173]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   80.177761][ T2173]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   80.177890][ T2173]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   80.178020][ T2173]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   80.178150][ T2173]  ? __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)
[   80.178286][ T2173]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   80.178417][ T2173]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   80.178553][ T2173]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   80.178690][ T2173]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   80.178823][ T2173]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   80.178953][ T2173]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   80.179082][ T2173]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   80.179211][ T2173]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   80.179344][ T2173]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   80.179472][ T2173]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.179607][ T2173]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   80.179740][ T2173]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   80.179869][ T2173]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   80.179999][ T2173]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.180129][ T2173]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   80.180265][ T2173]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   80.180395][ T2173]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   80.180528][ T2173]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.180662][ T2173]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   80.180794][ T2173]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   80.180923][ T2173]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   80.181054][ T2173]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   80.181184][ T2173]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.181323][ T2173]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   80.181456][ T2173]  ? 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))
[   80.181590][ T2173]  ? 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))
[   80.181731][ T2173]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.181864][ T2173]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   80.181996][ T2173]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   80.182127][ T2173]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   80.182264][ T2173]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   80.182395][ T2173]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   80.182531][ T2173]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   80.182666][ T2173]  ? copy_msghdr_from_user (net/socket.c:2635)
[   80.182797][ T2173]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   80.182958][ T2173]  ? move_addr_to_kernel (net/socket.c:258)
[   80.183090][ T2173]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   80.183221][ T2173]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   80.183359][ T2173]  ___sys_sendmsg (net/socket.c:2752)
[   80.183488][ T2173]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   80.183657][ T2173]  ? copy_msghdr_from_user (net/socket.c:2603)
[   80.183801][ T2173]  __sys_sendmsg (net/socket.c:2784)
[   80.183933][ T2173]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   80.184062][ T2173]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   80.184227][ T2173]  ? 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)
[   80.184364][ T2173]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   80.184496][ T2173]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.184629][ T2173]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.184760][ T2173]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.184890][ T2173]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.185050][ T2173] RIP: 0033:0x7f4110e5108e
[   80.185185][ T2173] 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
[   80.185661][ T2173] RSP: 002b:00007ffd4dbf4710 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   80.185857][ T2173] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4110e5108e
[   80.186050][ T2173] RDX: 0000000000000000 RSI: 00007ffd4dbf47c0 RDI: 0000000000000005
[   80.186249][ T2173] RBP: 00007ffd4dbf4720 R08: 0000000000000000 R09: 0000000000000000
[   80.186442][ T2173] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87a
[   80.186639][ T2173] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4dbf4e90
| [   80.294779][ T2177] ------------[ cut here ]------------
| [   80.294964][ T2177] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2177
| [   80.295278][ T2177] Modules linked in: xfrm_user nf_tables
| [   80.296242][ T2177] Tainted: [W]=WARN
[   80.296387][ T2177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.296606][ T2177] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.296837][ T2177] 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
[   80.297348][ T2177] RSP: 0018:ffa0000002dcfa80 EFLAGS: 00010286
[   80.297566][ T2177] RAX: 00000000ffffffa6 RBX: ff11000012120200 RCX: 1ff40000005b9f16
[   80.297817][ T2177] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121202bc
[   80.298055][ T2177] RBP: ff1100000f8e9000 R08: 1fe2200002424059 R09: ff1100000fb3ae80
[   80.298305][ T2177] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   80.298550][ T2177] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f8e9000
[   80.298804][ T2177] FS:  00007f12ee9ac840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   80.299081][ T2177] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.299302][ T2177] CR2: 00007f12eebadc20 CR3: 0000000012dc7004 CR4: 0000000000771ef0
[   80.299552][ T2177] PKRU: 55555554
[   80.299709][ T2177] Call Trace:
[   80.299854][ T2177]  <TASK>
[   80.299968][ T2177]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.300147][ T2177]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.300335][ T2177]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.300484][ T2177]  register_netdevice (net/core/dev.c:11488)
[   80.300686][ T2177]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.300896][ T2177]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   80.301074][ T2177]  register_netdev (net/core/dev.c:11552)
[   80.301259][ T2177]  loopback_net_init (drivers/net/loopback.c:218)
[   80.301440][ T2177]  ops_init (net/core/net_namespace.c:137)
[   80.301593][ T2177]  setup_net (net/core/net_namespace.c:446)
[   80.301754][ T2177]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.301933][ T2177]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.302110][ T2177]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.302297][ T2177]  copy_net_ns (net/core/net_namespace.c:579)
[   80.302477][ T2177]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.302677][ T2177]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.302856][ T2177]  ksys_unshare (kernel/fork.c:3243)
[   80.303032][ T2177]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.303213][ T2177]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.303398][ T2177]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.303586][ T2177]  ? __ia32_sys_open (fs/open.c:1374)
[   80.303776][ T2177]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.303952][ T2177]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.304129][ T2177]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.304315][ T2177]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.304492][ T2177]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.304696][ T2177]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.304904][ T2177] RIP: 0033:0x7f12eec6ebcb
[   80.305087][ T2177] 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
[   80.305606][ T2177] RSP: 002b:00007ffc4bb9d848 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   80.305866][ T2177] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f12eec6ebcb
[   80.306104][ T2177] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.306352][ T2177] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.306599][ T2177] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc4bb9fa70
[   80.306854][ T2177] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc4bba0887
| [   80.311092][ T2177] ------------[ cut here ]------------
| [   80.311272][ T2177] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2177
| [   80.311583][ T2177] Modules linked in: xfrm_user nf_tables
| [   80.312083][ T2177] Tainted: [W]=WARN
[   80.312227][ T2177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.312446][ T2177] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.312682][ T2177] 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
[   80.313186][ T2177] RSP: 0018:ffa0000002dcf918 EFLAGS: 00010286
[   80.313404][ T2177] RAX: 00000000ffffffa6 RBX: ff1100000c571540 RCX: 1ff40000005b9ee9
[   80.313666][ T2177] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5715fc
[   80.313904][ T2177] RBP: ff11000014c84000 R08: 1fe22000018ae2c1 R09: ff1100000fb3ae80
[   80.314143][ T2177] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   80.314391][ T2177] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014c84000
[   80.314646][ T2177] FS:  00007f12ee9ac840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   80.314931][ T2177] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.315140][ T2177] CR2: 00007f12eebadc20 CR3: 0000000012dc7004 CR4: 0000000000771ef0
[   80.315390][ T2177] PKRU: 55555554
[   80.315539][ T2177] Call Trace:
[   80.315700][ T2177]  <TASK>
[   80.315814][ T2177]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.315992][ T2177]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.316170][ T2177]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.316325][ T2177]  register_netdevice (net/core/dev.c:11488)
[   80.316510][ T2177]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.316736][ T2177]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   80.316918][ T2177]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   80.317095][ T2177]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   80.317280][ T2177]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   80.317459][ T2177]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   80.317647][ T2177]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   80.317839][ T2177]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   80.318017][ T2177]  ops_init (net/core/net_namespace.c:137)
[   80.318165][ T2177]  setup_net (net/core/net_namespace.c:446)
[   80.318320][ T2177]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.318495][ T2177]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.318693][ T2177]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.318873][ T2177]  copy_net_ns (net/core/net_namespace.c:579)
[   80.319052][ T2177]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.319231][ T2177]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.319417][ T2177]  ksys_unshare (kernel/fork.c:3243)
[   80.319605][ T2177]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.319795][ T2177]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.319972][ T2177]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.320150][ T2177]  ? __ia32_sys_open (fs/open.c:1374)
[   80.320337][ T2177]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.320518][ T2177]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.320712][ T2177]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.320887][ T2177]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.321067][ T2177]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.321250][ T2177]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.321457][ T2177] RIP: 0033:0x7f12eec6ebcb
[   80.321662][ T2177] 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
[   80.322167][ T2177] RSP: 002b:00007ffc4bb9d848 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   80.322415][ T2177] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f12eec6ebcb
[   80.322767][ T2177] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.323006][ T2177] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.323253][ T2177] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc4bb9fa70
[   80.323588][ T2177] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc4bba0887
| [   80.328589][ T2177] ------------[ cut here ]------------
| [   80.328990][ T2177] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2177
| [   80.329305][ T2177] Modules linked in: xfrm_user nf_tables
| [   80.329818][ T2177] Tainted: [W]=WARN
[   80.329965][ T2177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.330177][ T2177] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.330406][ T2177] 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
[   80.331030][ T2177] RSP: 0018:ffa0000002dcf8f8 EFLAGS: 00010286
[   80.331251][ T2177] RAX: 00000000ffffffa6 RBX: ff1100000fecc200 RCX: 1ff40000005b9ee5
[   80.331587][ T2177] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fecc2bc
[   80.331841][ T2177] RBP: ff1100000f98c000 R08: 1fe2200001fd9859 R09: ff1100000fb3ae80
[   80.332169][ T2177] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   80.332417][ T2177] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f98c000
[   80.332684][ T2177] FS:  00007f12ee9ac840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   80.333046][ T2177] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.333263][ T2177] CR2: 00007f12eebadc20 CR3: 0000000012dc7004 CR4: 0000000000771ef0
[   80.333509][ T2177] PKRU: 55555554
[   80.333759][ T2177] Call Trace:
[   80.333908][ T2177]  <TASK>
[   80.334025][ T2177]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.334205][ T2177]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.334389][ T2177]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.334633][ T2177]  register_netdevice (net/core/dev.c:11488)
[   80.334828][ T2177]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.335038][ T2177]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   80.335221][ T2177]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   80.335498][ T2177]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   80.335699][ T2177]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   80.335882][ T2177]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   80.336062][ T2177]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   80.336338][ T2177]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   80.336522][ T2177]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   80.336717][ T2177]  vti_init_net (net/ipv4/ip_vti.c:517)
[   80.336902][ T2177]  ops_init (net/core/net_namespace.c:137)
[   80.337136][ T2177]  setup_net (net/core/net_namespace.c:446)
[   80.337293][ T2177]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.337475][ T2177]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.337671][ T2177]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.337939][ T2177]  copy_net_ns (net/core/net_namespace.c:579)
[   80.338119][ T2177]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.338313][ T2177]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.338492][ T2177]  ksys_unshare (kernel/fork.c:3243)
[   80.338778][ T2177]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.338957][ T2177]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.339137][ T2177]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.339327][ T2177]  ? __ia32_sys_open (fs/open.c:1374)
[   80.339606][ T2177]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.339801][ T2177]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.339979][ T2177]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.340157][ T2177]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.340432][ T2177]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.340619][ T2177]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.340837][ T2177] RIP: 0033:0x7f12eec6ebcb
[   80.341021][ T2177] 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
[   80.341645][ T2177] RSP: 002b:00007ffc4bb9d848 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   80.341989][ T2177] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f12eec6ebcb
[   80.342229][ T2177] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.342482][ T2177] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.342829][ T2177] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc4bb9fa70
[   80.343069][ T2177] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc4bba0887
| [   80.350021][ T2177] ------------[ cut here ]------------
| [   80.350201][ T2177] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2177
| [   80.350510][ T2177] Modules linked in: xfrm_user nf_tables
| [   80.351020][ T2177] Tainted: [W]=WARN
[   80.351165][ T2177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.351379][ T2177] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.351605][ T2177] 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
[   80.352194][ T2177] RSP: 0018:ffa0000002dcfa78 EFLAGS: 00010286
[   80.352469][ T2177] RAX: 00000000ffffffa6 RBX: ff1100000fecd000 RCX: 1ff40000005b9f15
[   80.352788][ T2177] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fecd0bc
[   80.353083][ T2177] RBP: ff11000009704000 R08: 1fe2200001fd9a19 R09: ff1100000fb3ae80
[   80.353388][ T2177] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   80.353707][ T2177] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009704000
[   80.354005][ T2177] FS:  00007f12ee9ac840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   80.354341][ T2177] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.354616][ T2177] CR2: 00007f12eebadc20 CR3: 0000000012dc7004 CR4: 0000000000771ef0
[   80.354925][ T2177] PKRU: 55555554
[   80.355124][ T2177] Call Trace:
[   80.355327][ T2177]  <TASK>
[   80.355497][ T2177]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.355754][ T2177]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.355987][ T2177]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.356192][ T2177]  register_netdevice (net/core/dev.c:11488)
[   80.356436][ T2177]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.356719][ T2177]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.356955][ T2177]  register_netdev (net/core/dev.c:11552)
[   80.357185][ T2177]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   80.357430][ T2177]  ops_init (net/core/net_namespace.c:137)
[   80.357640][ T2177]  setup_net (net/core/net_namespace.c:446)
[   80.357857][ T2177]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.358088][ T2177]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.358324][ T2177]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.358568][ T2177]  copy_net_ns (net/core/net_namespace.c:579)
[   80.358816][ T2177]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.359050][ T2177]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.359292][ T2177]  ksys_unshare (kernel/fork.c:3243)
[   80.359537][ T2177]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.359781][ T2177]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.360014][ T2177]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.360253][ T2177]  ? __ia32_sys_open (fs/open.c:1374)
[   80.360487][ T2177]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.360736][ T2177]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.360927][ T2177]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.361102][ T2177]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.361291][ T2177]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.361471][ T2177]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.361696][ T2177] RIP: 0033:0x7f12eec6ebcb
[   80.361878][ T2177] 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
[   80.362395][ T2177] RSP: 002b:00007ffc4bb9d848 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   80.362647][ T2177] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f12eec6ebcb
[   80.362901][ T2177] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.363141][ T2177] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.363394][ T2177] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc4bb9fa70
[   80.363645][ T2177] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc4bba0887
| [   80.368289][ T2177] ------------[ cut here ]------------
| [   80.368467][ T2177] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2177
| [   80.368786][ T2177] Modules linked in: xfrm_user nf_tables
| [   80.369283][ T2177] Tainted: [W]=WARN
[   80.369432][ T2177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.369649][ T2177] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.369880][ T2177] 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
[   80.370393][ T2177] RSP: 0018:ffa0000002dcfa68 EFLAGS: 00010286
[   80.370614][ T2177] RAX: 00000000ffffffa6 RBX: ff11000012120740 RCX: 1ff40000005b9f13
[   80.371386][ T2177] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121207fc
[   80.371704][ T2177] RBP: ff1100000d661000 R08: 1fe2200002424101 R09: ff1100000fb3ae80
[   80.372004][ T2177] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   80.372308][ T2177] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d661000
[   80.372613][ T2177] FS:  00007f12ee9ac840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   80.372957][ T2177] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.373222][ T2177] CR2: 00007f12eebadc20 CR3: 0000000012dc7004 CR4: 0000000000771ef0
[   80.373535][ T2177] PKRU: 55555554
[   80.373746][ T2177] Call Trace:
[   80.373942][ T2177]  <TASK>
[   80.374108][ T2177]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.374347][ T2177]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.374584][ T2177]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.374795][ T2177]  register_netdevice (net/core/dev.c:11488)
[   80.375027][ T2177]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.375302][ T2177]  register_netdev (net/core/dev.c:11552)
[   80.375546][ T2177]  sit_init_net (net/ipv6/sit.c:1860)
[   80.375791][ T2177]  ops_init (net/core/net_namespace.c:137)
[   80.375992][ T2177]  setup_net (net/core/net_namespace.c:446)
[   80.376192][ T2177]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.376431][ T2177]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.376685][ T2177]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.376914][ T2177]  copy_net_ns (net/core/net_namespace.c:579)
[   80.377095][ T2177]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.377283][ T2177]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.377464][ T2177]  ksys_unshare (kernel/fork.c:3243)
[   80.377664][ T2177]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.377841][ T2177]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.378019][ T2177]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.378198][ T2177]  ? __ia32_sys_open (fs/open.c:1374)
[   80.378388][ T2177]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.378574][ T2177]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.378765][ T2177]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.378945][ T2177]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.379123][ T2177]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.379312][ T2177]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.379525][ T2177] RIP: 0033:0x7f12eec6ebcb
[   80.379721][ T2177] 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
[   80.380229][ T2177] RSP: 002b:00007ffc4bb9d848 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   80.380480][ T2177] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f12eec6ebcb
[   80.380736][ T2177] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.380978][ T2177] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.381218][ T2177] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc4bb9fa70
[   80.381466][ T2177] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc4bba0887
| [   80.392089][ T2177] ------------[ cut here ]------------
| [   80.392272][ T2177] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2177
| [   80.392581][ T2177] Modules linked in: xfrm_user nf_tables
| [   80.393085][ T2177] Tainted: [W]=WARN
[   80.393229][ T2177] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.393446][ T2177] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.393681][ T2177] 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
[   80.394189][ T2177] RSP: 0018:ffa0000002dcfa78 EFLAGS: 00010286
[   80.394407][ T2177] RAX: 00000000ffffffa6 RBX: ff1100000fb76200 RCX: 1ff40000005b9f15
[   80.394667][ T2177] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fb762bc
[   80.394909][ T2177] RBP: ff1100000e99c000 R08: 1fe2200001f6ec59 R09: ff1100000fb3ae80
[   80.395148][ T2177] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   80.395395][ T2177] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e99c000
[   80.395645][ T2177] FS:  00007f12ee9ac840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   80.395979][ T2177] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.396192][ T2177] CR2: 00007f12eebadc20 CR3: 0000000012dc7004 CR4: 0000000000771ef0
[   80.396443][ T2177] PKRU: 55555554
[   80.396593][ T2177] Call Trace:
[   80.396750][ T2177]  <TASK>
[   80.396864][ T2177]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.397042][ T2177]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.397220][ T2177]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.397378][ T2177]  register_netdevice (net/core/dev.c:11488)
[   80.397564][ T2177]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.397785][ T2177]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.397965][ T2177]  register_netdev (net/core/dev.c:11552)
[   80.398143][ T2177]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   80.398330][ T2177]  ops_init (net/core/net_namespace.c:137)
[   80.398478][ T2177]  setup_net (net/core/net_namespace.c:446)
[   80.398633][ T2177]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.398823][ T2177]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.399002][ T2177]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.399181][ T2177]  copy_net_ns (net/core/net_namespace.c:579)
[   80.399372][ T2177]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.399560][ T2177]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.399753][ T2177]  ksys_unshare (kernel/fork.c:3243)
[   80.399934][ T2177]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.400110][ T2177]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.400300][ T2177]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.400478][ T2177]  ? __ia32_sys_open (fs/open.c:1374)
[   80.400674][ T2177]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.400850][ T2177]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.401026][ T2177]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.401206][ T2177]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.401393][ T2177]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.401581][ T2177]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.401798][ T2177] RIP: 0033:0x7f12eec6ebcb
[   80.401981][ T2177] 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
[   80.402497][ T2177] RSP: 002b:00007ffc4bb9d848 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   80.402761][ T2177] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f12eec6ebcb
[   80.403003][ T2177] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.403249][ T2177] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.403493][ T2177] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc4bb9fa70
[   80.403754][ T2177] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc4bba0887
| [   80.433604][ T2178] ------------[ cut here ]------------
| [   80.433758][ T2178] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2178
| [   80.434020][ T2178] Modules linked in: xfrm_user nf_tables
| [   80.434428][ T2178] Tainted: [W]=WARN
[   80.434530][ T2178] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.434699][ T2178] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.434871][ T2178] 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
[   80.435339][ T2178] RSP: 0018:ffa0000002ddf020 EFLAGS: 00010286
[   80.435508][ T2178] RAX: 00000000ffffffa6 RBX: ff1100000fb76ac0 RCX: 1ff40000005bbdca
[   80.435706][ T2178] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fb76b7c
[   80.435899][ T2178] RBP: ff1100000f8e9000 R08: 1fe2200001f6ed71 R09: ff1100000fb3d158
[   80.436094][ T2178] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   80.436294][ T2178] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   80.436489][ T2178] FS:  00007f1e64e79840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   80.436726][ T2178] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.436888][ T2178] CR2: 0000000002012988 CR3: 000000000dc5f002 CR4: 0000000000771ef0
[   80.437082][ T2178] PKRU: 55555554
[   80.437178][ T2178] Call Trace:
[   80.437280][ T2178]  <TASK>
[   80.437349][ T2178]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.437482][ T2178]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.437584][ T2178]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   80.437721][ T2178]  __dev_notify_flags (net/core/dev.c:9787)
[   80.437852][ T2178]  ? netif_change_name (net/core/dev.c:1495)
[   80.437982][ T2178]  ? __dev_change_flags (net/core/dev.c:9752)
[   80.438114][ T2178]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   80.438248][ T2178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.438378][ T2178]  ? 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))
[   80.438515][ T2178]  netif_change_flags (net/core/dev.c:9820)
[   80.438648][ T2178]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   80.438784][ T2178]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   80.438916][ T2178]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   80.439047][ T2178]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   80.439210][ T2178]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   80.439344][ T2178]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   80.439473][ T2178]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   80.439605][ T2178]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   80.439740][ T2178]  ? __kernel_text_address (kernel/extable.c:79)
[   80.439873][ T2178]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   80.440004][ T2178]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   80.440134][ T2178]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   80.440271][ T2178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   80.440400][ T2178]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   80.440533][ T2178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   80.440665][ T2178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   80.440795][ T2178]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   80.440927][ T2178]  ? __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)
[   80.441056][ T2178]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   80.441186][ T2178]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   80.441324][ T2178]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   80.441457][ T2178]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   80.441593][ T2178]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   80.441730][ T2178]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   80.441859][ T2178]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   80.441988][ T2178]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   80.442117][ T2178]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   80.442249][ T2178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.442381][ T2178]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   80.442513][ T2178]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   80.442643][ T2178]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   80.442778][ T2178]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.442909][ T2178]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   80.443040][ T2178]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   80.443169][ T2178]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   80.443305][ T2178]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.443433][ T2178]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   80.443567][ T2178]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   80.443700][ T2178]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   80.443831][ T2178]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   80.443961][ T2178]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.444091][ T2178]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   80.444224][ T2178]  ? 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))
[   80.444360][ T2178]  ? 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))
[   80.444492][ T2178]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.444626][ T2178]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   80.444760][ T2178]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   80.444890][ T2178]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   80.445022][ T2178]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   80.445155][ T2178]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   80.445291][ T2178]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   80.445422][ T2178]  ? copy_msghdr_from_user (net/socket.c:2635)
[   80.445556][ T2178]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   80.445722][ T2178]  ? move_addr_to_kernel (net/socket.c:258)
[   80.445853][ T2178]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   80.445983][ T2178]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   80.446116][ T2178]  ___sys_sendmsg (net/socket.c:2752)
[   80.446251][ T2178]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   80.446413][ T2178]  ? copy_msghdr_from_user (net/socket.c:2603)
[   80.446559][ T2178]  __sys_sendmsg (net/socket.c:2784)
[   80.446694][ T2178]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   80.446823][ T2178]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   80.446986][ T2178]  ? 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)
[   80.447115][ T2178]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   80.447250][ T2178]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.447381][ T2178]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.447513][ T2178]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.447644][ T2178]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.447809][ T2178] RIP: 0033:0x7f1e650b308e
[   80.447945][ T2178] 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
[   80.448414][ T2178] RSP: 002b:00007fffb1b6d080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   80.448611][ T2178] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1e650b308e
[   80.448809][ T2178] RDX: 0000000000000000 RSI: 00007fffb1b6d130 RDI: 0000000000000005
[   80.449003][ T2178] RBP: 00007fffb1b6d090 R08: 0000000000000000 R09: 0000000000000000
[   80.449196][ T2178] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87a
[   80.449393][ T2178] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb1b6d800
| [   80.571558][ T2182] ------------[ cut here ]------------
| [   80.571749][ T2182] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2182
| [   80.572059][ T2182] Modules linked in: xfrm_user nf_tables
| [   80.572577][ T2182] Tainted: [W]=WARN
[   80.573110][ T2182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.573329][ T2182] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.573555][ T2182] 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
[   80.574075][ T2182] RSP: 0018:ffa0000002e0fa80 EFLAGS: 00010286
[   80.574296][ T2182] RAX: 00000000ffffffa6 RBX: ff1100000dd2b1c0 RCX: 1ff40000005c1f16
[   80.574542][ T2182] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd2b27c
[   80.574795][ T2182] RBP: ff11000014c31000 R08: 1fe2200001ba5651 R09: ff11000008e6d180
[   80.575036][ T2182] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   80.575283][ T2182] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014c31000
[   80.575530][ T2182] FS:  00007f8f61975840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   80.575821][ T2182] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.576033][ T2182] CR2: 00007f8f61b81690 CR3: 0000000012afb006 CR4: 0000000000771ef0
[   80.576284][ T2182] PKRU: 55555554
[   80.576429][ T2182] Call Trace:
[   80.576582][ T2182]  <TASK>
[   80.576706][ T2182]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.576886][ T2182]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.577064][ T2182]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.577213][ T2182]  register_netdevice (net/core/dev.c:11488)
[   80.577399][ T2182]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.577617][ T2182]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   80.577805][ T2182]  register_netdev (net/core/dev.c:11552)
[   80.577982][ T2182]  loopback_net_init (drivers/net/loopback.c:218)
[   80.578161][ T2182]  ops_init (net/core/net_namespace.c:137)
[   80.578318][ T2182]  setup_net (net/core/net_namespace.c:446)
[   80.578464][ T2182]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.578648][ T2182]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.578842][ T2182]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.579022][ T2182]  copy_net_ns (net/core/net_namespace.c:579)
[   80.579201][ T2182]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.579384][ T2182]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.579570][ T2182]  ksys_unshare (kernel/fork.c:3243)
[   80.579761][ T2182]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.579940][ T2182]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.580119][ T2182]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.580306][ T2182]  ? __ia32_sys_open (fs/open.c:1374)
[   80.580487][ T2182]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.580683][ T2182]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.580864][ T2182]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.581043][ T2182]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.581220][ T2182]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.581411][ T2182]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.581626][ T2182] RIP: 0033:0x7f8f61c37bcb
[   80.581821][ T2182] 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
[   80.582342][ T2182] RSP: 002b:00007fff04234c28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   80.582591][ T2182] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8f61c37bcb
[   80.582845][ T2182] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.583087][ T2182] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.583334][ T2182] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff04236e50
[   80.583583][ T2182] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff04237887
| [   80.588406][ T2182] ------------[ cut here ]------------
| [   80.588584][ T2182] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2182
| [   80.588900][ T2182] Modules linked in: xfrm_user nf_tables
| [   80.589399][ T2182] Tainted: [W]=WARN
[   80.589549][ T2182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.589767][ T2182] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.589981][ T2182] 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
[   80.590500][ T2182] RSP: 0018:ffa0000002e0f918 EFLAGS: 00010286
[   80.591246][ T2182] RAX: 00000000ffffffa6 RBX: ff1100000bf8d540 RCX: 1ff40000005c1ee9
[   80.591551][ T2182] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bf8d5fc
[   80.591855][ T2182] RBP: ff1100000b60c000 R08: 1fe22000017f1ac1 R09: ff11000008e6d180
[   80.592149][ T2182] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   80.592451][ T2182] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b60c000
[   80.592765][ T2182] FS:  00007f8f61975840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   80.593093][ T2182] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.593377][ T2182] CR2: 00007f8f61b81690 CR3: 0000000012afb006 CR4: 0000000000771ef0
[   80.593694][ T2182] PKRU: 55555554
[   80.593892][ T2182] Call Trace:
[   80.594087][ T2182]  <TASK>
[   80.594262][ T2182]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.594495][ T2182]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.594748][ T2182]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.594950][ T2182]  register_netdevice (net/core/dev.c:11488)
[   80.595180][ T2182]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.595450][ T2182]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   80.595701][ T2182]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   80.595931][ T2182]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   80.596161][ T2182]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   80.596403][ T2182]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   80.596646][ T2182]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   80.596944][ T2182]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   80.597170][ T2182]  ops_init (net/core/net_namespace.c:137)
[   80.597327][ T2182]  setup_net (net/core/net_namespace.c:446)
[   80.597474][ T2182]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.597667][ T2182]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.597845][ T2182]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.598026][ T2182]  copy_net_ns (net/core/net_namespace.c:579)
[   80.598206][ T2182]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.598392][ T2182]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.598580][ T2182]  ksys_unshare (kernel/fork.c:3243)
[   80.598768][ T2182]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.598945][ T2182]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.599122][ T2182]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.599313][ T2182]  ? __ia32_sys_open (fs/open.c:1374)
[   80.599492][ T2182]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.599690][ T2182]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.599866][ T2182]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.600043][ T2182]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.600219][ T2182]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.600408][ T2182]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.600624][ T2182] RIP: 0033:0x7f8f61c37bcb
[   80.600822][ T2182] 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
[   80.601331][ T2182] RSP: 002b:00007fff04234c28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   80.601580][ T2182] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8f61c37bcb
[   80.601833][ T2182] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.602072][ T2182] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.602315][ T2182] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff04236e50
[   80.602563][ T2182] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff04237887
| [   80.613441][ T2182] ------------[ cut here ]------------
| [   80.613624][ T2182] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2182
| [   80.613942][ T2182] Modules linked in: xfrm_user nf_tables
| [   80.614446][ T2182] Tainted: [W]=WARN
[   80.614600][ T2182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.614879][ T2182] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.615096][ T2182] 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
[   80.615620][ T2182] RSP: 0018:ffa0000002e0f8f8 EFLAGS: 00010286
[   80.615846][ T2182] RAX: 00000000ffffffa6 RBX: ff110000101b7000 RCX: 1ff40000005c1ee5
[   80.616088][ T2182] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b70bc
[   80.616338][ T2182] RBP: ff110000098e4000 R08: 1fe2200002036e19 R09: ff11000008e6d180
[   80.616588][ T2182] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   80.616841][ T2182] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000098e4000
[   80.617088][ T2182] FS:  00007f8f61975840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   80.617377][ T2182] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.617596][ T2182] CR2: 00007f8f61b81690 CR3: 0000000012afb006 CR4: 0000000000771ef0
[   80.617854][ T2182] PKRU: 55555554
[   80.617998][ T2182] Call Trace:
[   80.618143][ T2182]  <TASK>
[   80.618265][ T2182]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.618445][ T2182]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.618631][ T2182]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.618793][ T2182]  register_netdevice (net/core/dev.c:11488)
[   80.618975][ T2182]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.619187][ T2182]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   80.619378][ T2182]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   80.619566][ T2182]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   80.619757][ T2182]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   80.619939][ T2182]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   80.620119][ T2182]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   80.620309][ T2182]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   80.620489][ T2182]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   80.620691][ T2182]  vti_init_net (net/ipv4/ip_vti.c:517)
[   80.620873][ T2182]  ops_init (net/core/net_namespace.c:137)
[   80.621022][ T2182]  setup_net (net/core/net_namespace.c:446)
[   80.621169][ T2182]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.621355][ T2182]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.621539][ T2182]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.621735][ T2182]  copy_net_ns (net/core/net_namespace.c:579)
[   80.621920][ T2182]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.622102][ T2182]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.622287][ T2182]  ksys_unshare (kernel/fork.c:3243)
[   80.622467][ T2182]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.622666][ T2182]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.622845][ T2182]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.623026][ T2182]  ? __ia32_sys_open (fs/open.c:1374)
[   80.623207][ T2182]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.623395][ T2182]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.623582][ T2182]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.623775][ T2182]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.623953][ T2182]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.624133][ T2182]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.624348][ T2182] RIP: 0033:0x7f8f61c37bcb
[   80.624536][ T2182] 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
[   80.625058][ T2182] RSP: 002b:00007fff04234c28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   80.625312][ T2182] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8f61c37bcb
[   80.625560][ T2182] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.625815][ T2182] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.626058][ T2182] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff04236e50
[   80.626310][ T2182] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff04237887
| [   80.630837][ T2182] ------------[ cut here ]------------
| [   80.631013][ T2182] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2182
| [   80.631325][ T2182] Modules linked in: xfrm_user nf_tables
| [   80.631837][ T2182] Tainted: [W]=WARN
[   80.631982][ T2182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.632191][ T2182] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.632415][ T2182] 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
[   80.632941][ T2182] RSP: 0018:ffa0000002e0fa78 EFLAGS: 00010286
[   80.633151][ T2182] RAX: 00000000ffffffa6 RBX: ff1100000dd2a3c0 RCX: 1ff40000005c1f15
[   80.633401][ T2182] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dd2a47c
[   80.633647][ T2182] RBP: ff110000058cc000 R08: 1fe2200001ba5491 R09: ff11000008e6d180
[   80.633902][ T2182] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   80.634140][ T2182] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058cc000
[   80.634388][ T2182] FS:  00007f8f61975840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   80.634682][ T2182] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.634892][ T2182] CR2: 00007f8f61b81690 CR3: 0000000012afb006 CR4: 0000000000771ef0
[   80.635132][ T2182] PKRU: 55555554
[   80.635282][ T2182] Call Trace:
[   80.635425][ T2182]  <TASK>
[   80.635543][ T2182]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.635733][ T2182]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.635908][ T2182]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.636059][ T2182]  register_netdevice (net/core/dev.c:11488)
[   80.636246][ T2182]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.636453][ T2182]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.636642][ T2182]  register_netdev (net/core/dev.c:11552)
[   80.636832][ T2182]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   80.637010][ T2182]  ops_init (net/core/net_namespace.c:137)
[   80.637156][ T2182]  setup_net (net/core/net_namespace.c:446)
[   80.637313][ T2182]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.637487][ T2182]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.637685][ T2182]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.637864][ T2182]  copy_net_ns (net/core/net_namespace.c:579)
[   80.638042][ T2182]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.638222][ T2182]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.638409][ T2182]  ksys_unshare (kernel/fork.c:3243)
[   80.638596][ T2182]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.638786][ T2182]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.638963][ T2182]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.639139][ T2182]  ? __ia32_sys_open (fs/open.c:1374)
[   80.639331][ T2182]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.639512][ T2182]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.639702][ T2182]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.639880][ T2182]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.640059][ T2182]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.640245][ T2182]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.640452][ T2182] RIP: 0033:0x7f8f61c37bcb
[   80.640643][ T2182] 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
[   80.641161][ T2182] RSP: 002b:00007fff04234c28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   80.641410][ T2182] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8f61c37bcb
[   80.641667][ T2182] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.641905][ T2182] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.642145][ T2182] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff04236e50
[   80.642389][ T2182] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff04237887
| [   80.647104][ T2182] ------------[ cut here ]------------
| [   80.647285][ T2182] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2182
| [   80.647594][ T2182] Modules linked in: xfrm_user nf_tables
| [   80.648097][ T2182] Tainted: [W]=WARN
[   80.648248][ T2182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.648459][ T2182] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.648696][ T2182] 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
[   80.649197][ T2182] RSP: 0018:ffa0000002e0fa68 EFLAGS: 00010286
[   80.649419][ T2182] RAX: 00000000ffffffa6 RBX: ff1100000b82e740 RCX: 1ff40000005c1f13
[   80.649678][ T2182] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b82e7fc
[   80.649916][ T2182] RBP: ff1100000df29000 R08: 1fe2200001705d01 R09: ff11000008e6d180
[   80.650155][ T2182] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   80.650403][ T2182] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000df29000
[   80.650666][ T2182] FS:  00007f8f61975840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   80.650938][ T2182] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.651145][ T2182] CR2: 00007f8f61b81690 CR3: 0000000012afb006 CR4: 0000000000771ef0
[   80.651395][ T2182] PKRU: 55555554
[   80.651545][ T2182] Call Trace:
[   80.651703][ T2182]  <TASK>
[   80.651817][ T2182]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.651995][ T2182]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.652171][ T2182]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.652323][ T2182]  register_netdevice (net/core/dev.c:11488)
[   80.652507][ T2182]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.652737][ T2182]  register_netdev (net/core/dev.c:11552)
[   80.652915][ T2182]  sit_init_net (net/ipv6/sit.c:1860)
[   80.653094][ T2182]  ops_init (net/core/net_namespace.c:137)
[   80.653249][ T2182]  setup_net (net/core/net_namespace.c:446)
[   80.653396][ T2182]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.653581][ T2182]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.653769][ T2182]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.653949][ T2182]  copy_net_ns (net/core/net_namespace.c:579)
[   80.654127][ T2182]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.654317][ T2182]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.654494][ T2182]  ksys_unshare (kernel/fork.c:3243)
[   80.654691][ T2182]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.654868][ T2182]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.655045][ T2182]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.655223][ T2182]  ? __ia32_sys_open (fs/open.c:1374)
[   80.655409][ T2182]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.655594][ T2182]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.655781][ T2182]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.655957][ T2182]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.656133][ T2182]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.656316][ T2182]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.656525][ T2182] RIP: 0033:0x7f8f61c37bcb
[   80.656722][ T2182] 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
[   80.657225][ T2182] RSP: 002b:00007fff04234c28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   80.657474][ T2182] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8f61c37bcb
[   80.657728][ T2182] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.657971][ T2182] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.658208][ T2182] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff04236e50
[   80.658455][ T2182] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff04237887
| [   80.663657][ T2182] ------------[ cut here ]------------
| [   80.663833][ T2182] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2182
| [   80.664136][ T2182] Modules linked in: xfrm_user nf_tables
| [   80.664736][ T2182] Tainted: [W]=WARN
[   80.664880][ T2182] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.665174][ T2182] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.665397][ T2182] 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
[   80.666015][ T2182] RSP: 0018:ffa0000002e0fa78 EFLAGS: 00010286
[   80.666225][ T2182] RAX: 00000000ffffffa6 RBX: ff1100000f106ac0 RCX: 1ff40000005c1f15
[   80.666472][ T2182] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f106b7c
[   80.666815][ T2182] RBP: ff1100000e944000 R08: 1fe2200001e20d71 R09: ff11000008e6d180
[   80.667058][ T2182] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   80.667389][ T2182] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e944000
[   80.667637][ T2182] FS:  00007f8f61975840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   80.667923][ T2182] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.668221][ T2182] CR2: 00007f8f61b81690 CR3: 0000000012afb006 CR4: 0000000000771ef0
[   80.668472][ T2182] PKRU: 55555554
[   80.668619][ T2182] Call Trace:
[   80.668772][ T2182]  <TASK>
[   80.668970][ T2182]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.669148][ T2182]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.669343][ T2182]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.669492][ T2182]  register_netdevice (net/core/dev.c:11488)
[   80.669695][ T2182]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.669901][ T2182]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.670080][ T2182]  register_netdev (net/core/dev.c:11552)
[   80.670264][ T2182]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   80.670529][ T2182]  ops_init (net/core/net_namespace.c:137)
[   80.670689][ T2182]  setup_net (net/core/net_namespace.c:446)
[   80.670834][ T2182]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.671009][ T2182]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.671185][ T2182]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.671462][ T2182]  copy_net_ns (net/core/net_namespace.c:579)
[   80.671663][ T2182]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.671842][ T2182]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.672019][ T2182]  ksys_unshare (kernel/fork.c:3243)
[   80.672284][ T2182]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.672465][ T2182]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.672664][ T2182]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.672841][ T2182]  ? __ia32_sys_open (fs/open.c:1374)
[   80.673103][ T2182]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.673283][ T2182]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.673458][ T2182]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.673644][ T2182]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.673918][ T2182]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.674097][ T2182]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.674313][ T2182] RIP: 0033:0x7f8f61c37bcb
[   80.674493][ T2182] 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
[   80.675106][ T2182] RSP: 002b:00007fff04234c28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   80.675445][ T2182] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8f61c37bcb
[   80.675702][ T2182] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.675939][ T2182] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.676269][ T2182] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff04236e50
[   80.676514][ T2182] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff04237887
| [   80.705503][ T2183] ------------[ cut here ]------------
| [   80.705644][ T2183] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2183
| [   80.705972][ T2183] Modules linked in: xfrm_user nf_tables
| [   80.706365][ T2183] Tainted: [W]=WARN
[   80.706461][ T2183] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.706624][ T2183] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.706796][ T2183] 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
[   80.707251][ T2183] RSP: 0018:ffa0000002e1f020 EFLAGS: 00010286
[   80.707410][ T2183] RAX: 00000000ffffffa6 RBX: ff1100000d438ac0 RCX: 1ff40000005c3dca
[   80.707606][ T2183] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d438b7c
[   80.707798][ T2183] RBP: ff11000014c31000 R08: 1fe2200001a87171 R09: ff1100000e60ae58
[   80.707986][ T2183] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   80.708172][ T2183] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   80.708366][ T2183] FS:  00007f3630ed9840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   80.708591][ T2183] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.708756][ T2183] CR2: 000000003f58b988 CR3: 000000000f0bb001 CR4: 0000000000771ef0
[   80.708945][ T2183] PKRU: 55555554
[   80.709039][ T2183] Call Trace:
[   80.709134][ T2183]  <TASK>
[   80.709200][ T2183]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.709333][ T2183]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.709430][ T2183]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   80.709560][ T2183]  __dev_notify_flags (net/core/dev.c:9787)
[   80.709692][ T2183]  ? netif_change_name (net/core/dev.c:1495)
[   80.709819][ T2183]  ? __dev_change_flags (net/core/dev.c:9752)
[   80.709946][ T2183]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   80.710071][ T2183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.710198][ T2183]  ? 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))
[   80.710333][ T2183]  netif_change_flags (net/core/dev.c:9820)
[   80.710462][ T2183]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   80.710591][ T2183]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   80.710725][ T2183]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   80.710852][ T2183]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   80.711010][ T2183]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   80.711136][ T2183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   80.711269][ T2183]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   80.711395][ T2183]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   80.711526][ T2183]  ? __kernel_text_address (kernel/extable.c:79)
[   80.711656][ T2183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   80.711784][ T2183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   80.711909][ T2183]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   80.712036][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   80.712162][ T2183]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   80.712294][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   80.712420][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   80.712547][ T2183]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   80.712680][ T2183]  ? __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)
[   80.712805][ T2183]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   80.712930][ T2183]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   80.713059][ T2183]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   80.713188][ T2183]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   80.713327][ T2183]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   80.713457][ T2183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   80.713586][ T2183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   80.713717][ T2183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   80.713843][ T2183]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   80.713969][ T2183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.714096][ T2183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   80.714223][ T2183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   80.714352][ T2183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   80.714478][ T2183]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.714608][ T2183]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   80.714738][ T2183]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   80.714864][ T2183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   80.714988][ T2183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.715113][ T2183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   80.715248][ T2183]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   80.715374][ T2183]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   80.715503][ T2183]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   80.715630][ T2183]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.715758][ T2183]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   80.715887][ T2183]  ? 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))
[   80.716012][ T2183]  ? 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))
[   80.716140][ T2183]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.716271][ T2183]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   80.716397][ T2183]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   80.716525][ T2183]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   80.716656][ T2183]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   80.716784][ T2183]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   80.716911][ T2183]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   80.717038][ T2183]  ? copy_msghdr_from_user (net/socket.c:2635)
[   80.717164][ T2183]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   80.717327][ T2183]  ? move_addr_to_kernel (net/socket.c:258)
[   80.717453][ T2183]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   80.717580][ T2183]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   80.717710][ T2183]  ___sys_sendmsg (net/socket.c:2752)
[   80.717834][ T2183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   80.717990][ T2183]  ? copy_msghdr_from_user (net/socket.c:2603)
[   80.718128][ T2183]  __sys_sendmsg (net/socket.c:2784)
[   80.718257][ T2183]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   80.718380][ T2183]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   80.718540][ T2183]  ? 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)
[   80.718668][ T2183]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   80.718796][ T2183]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.718922][ T2183]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.719049][ T2183]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.719174][ T2183]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.719333][ T2183] RIP: 0033:0x7f363111308e
[   80.719462][ T2183] 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
[   80.719914][ T2183] RSP: 002b:00007fff5f827e00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   80.720102][ T2183] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f363111308e
[   80.720294][ T2183] RDX: 0000000000000000 RSI: 00007fff5f827eb0 RDI: 0000000000000005
[   80.720479][ T2183] RBP: 00007fff5f827e10 R08: 0000000000000000 R09: 0000000000000000
[   80.720674][ T2183] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87a
[   80.720872][ T2183] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5f828580
| [   80.841971][ T2187] ------------[ cut here ]------------
| [   80.842119][ T2187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/2187
| [   80.842381][ T2187] Modules linked in: xfrm_user nf_tables
| [   80.842795][ T2187] Tainted: [W]=WARN
[   80.842894][ T2187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.843057][ T2187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.843227][ T2187] 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
[   80.843705][ T2187] RSP: 0018:ffa0000002ccfa80 EFLAGS: 00010286
[   80.843870][ T2187] RAX: 00000000ffffffa6 RBX: ff110000123c2900 RCX: 1ff4000000599f16
[   80.844064][ T2187] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000123c29bc
[   80.844264][ T2187] RBP: ff1100000ffe9000 R08: 1fe2200002478539 R09: ff11000009c5d180
[   80.844459][ T2187] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   80.844730][ T2187] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ffe9000
[   80.844975][ T2187] FS:  00007f5a95fc6840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   80.845206][ T2187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.845378][ T2187] CR2: 00007f118951d000 CR3: 000000000ff61004 CR4: 0000000000771ef0
[   80.845576][ T2187] PKRU: 55555554
[   80.845680][ T2187] Call Trace:
[   80.845777][ T2187]  <TASK>
[   80.845845][ T2187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.845977][ T2187]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.846109][ T2187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.846209][ T2187]  register_netdevice (net/core/dev.c:11488)
[   80.846346][ T2187]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.846511][ T2187]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   80.846646][ T2187]  register_netdev (net/core/dev.c:11552)
[   80.846783][ T2187]  loopback_net_init (drivers/net/loopback.c:218)
[   80.846915][ T2187]  ops_init (net/core/net_namespace.c:137)
[   80.847015][ T2187]  setup_net (net/core/net_namespace.c:446)
[   80.847114][ T2187]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.847249][ T2187]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.847379][ T2187]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.847514][ T2187]  copy_net_ns (net/core/net_namespace.c:579)
[   80.847647][ T2187]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.847785][ T2187]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.847914][ T2187]  ksys_unshare (kernel/fork.c:3243)
[   80.848044][ T2187]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.848175][ T2187]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.848311][ T2187]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.848442][ T2187]  ? __ia32_sys_open (fs/open.c:1374)
[   80.848578][ T2187]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.848711][ T2187]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.848840][ T2187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.848971][ T2187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.849101][ T2187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.849233][ T2187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.849401][ T2187] RIP: 0033:0x7f5a96288bcb
[   80.849540][ T2187] 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
[   80.850008][ T2187] RSP: 002b:00007ffcc9a6aa68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   80.850204][ T2187] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5a96288bcb
[   80.850403][ T2187] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.850599][ T2187] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.850794][ T2187] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcc9a6cc90
[   80.850988][ T2187] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcc9a6e887
| [   80.854797][ T2187] ------------[ cut here ]------------
| [   80.854933][ T2187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/2187
| [   80.855191][ T2187] Modules linked in: xfrm_user nf_tables
| [   80.855593][ T2187] Tainted: [W]=WARN
[   80.855696][ T2187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.855858][ T2187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.856023][ T2187] 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
[   80.856482][ T2187] RSP: 0018:ffa0000002ccf918 EFLAGS: 00010286
[   80.856648][ T2187] RAX: 00000000ffffffa6 RBX: ff1100000e63c740 RCX: 1ff4000000599ee9
[   80.856846][ T2187] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e63c7fc
[   80.857038][ T2187] RBP: ff1100000fbf4000 R08: 1fe2200001cc7901 R09: ff11000009c5d180
[   80.857231][ T2187] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   80.857428][ T2187] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fbf4000
[   80.857627][ T2187] FS:  00007f5a95fc6840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   80.858373][ T2187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.858541][ T2187] CR2: 00007f118951d000 CR3: 000000000ff61004 CR4: 0000000000771ef0
[   80.858790][ T2187] PKRU: 55555554
[   80.858887][ T2187] Call Trace:
[   80.859037][ T2187]  <TASK>
[   80.859105][ T2187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.859233][ T2187]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.859370][ T2187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.859467][ T2187]  register_netdevice (net/core/dev.c:11488)
[   80.859601][ T2187]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.859813][ T2187]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   80.859944][ T2187]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   80.860073][ T2187]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   80.860200][ T2187]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   80.860336][ T2187]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   80.860465][ T2187]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   80.860601][ T2187]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   80.860782][ T2187]  ops_init (net/core/net_namespace.c:137)
[   80.860881][ T2187]  setup_net (net/core/net_namespace.c:446)
[   80.860979][ T2187]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.861108][ T2187]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.861242][ T2187]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.861374][ T2187]  copy_net_ns (net/core/net_namespace.c:579)
[   80.861508][ T2187]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.861638][ T2187]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.861821][ T2187]  ksys_unshare (kernel/fork.c:3243)
[   80.861950][ T2187]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.862079][ T2187]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.862208][ T2187]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.862343][ T2187]  ? __ia32_sys_open (fs/open.c:1374)
[   80.862474][ T2187]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.862606][ T2187]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.862788][ T2187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.862916][ T2187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.863047][ T2187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.863177][ T2187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.863344][ T2187] RIP: 0033:0x7f5a96288bcb
[   80.863478][ T2187] 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
[   80.863998][ T2187] RSP: 002b:00007ffcc9a6aa68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   80.864191][ T2187] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5a96288bcb
[   80.864389][ T2187] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.864583][ T2187] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.864828][ T2187] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcc9a6cc90
[   80.865022][ T2187] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcc9a6e887
| [   80.874463][ T2187] ------------[ cut here ]------------
| [   80.874694][ T2187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2187
| [   80.875002][ T2187] Modules linked in: xfrm_user nf_tables
| [   80.875513][ T2187] Tainted: [W]=WARN
[   80.875676][ T2187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.875893][ T2187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.876112][ T2187] 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
[   80.876643][ T2187] RSP: 0018:ffa0000002ccf8f8 EFLAGS: 00010286
[   80.876870][ T2187] RAX: 00000000ffffffa6 RBX: ff1100000b82fc40 RCX: 1ff4000000599ee5
[   80.877115][ T2187] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b82fcfc
[   80.877368][ T2187] RBP: ff1100001278c000 R08: 1fe2200001705fa1 R09: ff11000009c5d180
[   80.877618][ T2187] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   80.877879][ T2187] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001278c000
[   80.878125][ T2187] FS:  00007f5a95fc6840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   80.878412][ T2187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.878634][ T2187] CR2: 00007f897650c2a0 CR3: 000000000ff61005 CR4: 0000000000771ef0
[   80.878892][ T2187] PKRU: 55555554
[   80.879037][ T2187] Call Trace:
[   80.879182][ T2187]  <TASK>
[   80.879312][ T2187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.879493][ T2187]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.879693][ T2187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.879842][ T2187]  register_netdevice (net/core/dev.c:11488)
[   80.880032][ T2187]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.880248][ T2187]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   80.880431][ T2187]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   80.880622][ T2187]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   80.880814][ T2187]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   80.880996][ T2187]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   80.881176][ T2187]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   80.881365][ T2187]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   80.881552][ T2187]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   80.881747][ T2187]  vti_init_net (net/ipv4/ip_vti.c:517)
[   80.881926][ T2187]  ops_init (net/core/net_namespace.c:137)
[   80.882079][ T2187]  setup_net (net/core/net_namespace.c:446)
[   80.882227][ T2187]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.882414][ T2187]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.882603][ T2187]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.882799][ T2187]  copy_net_ns (net/core/net_namespace.c:579)
[   80.882981][ T2187]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.883164][ T2187]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.883353][ T2187]  ksys_unshare (kernel/fork.c:3243)
[   80.883536][ T2187]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.883781][ T2187]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.883958][ T2187]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.884138][ T2187]  ? __ia32_sys_open (fs/open.c:1374)
[   80.884331][ T2187]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.884515][ T2187]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.884715][ T2187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.884894][ T2187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.885072][ T2187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.885260][ T2187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.885471][ T2187] RIP: 0033:0x7f5a96288bcb
[   80.885673][ T2187] 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
[   80.886186][ T2187] RSP: 002b:00007ffcc9a6aa68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   80.886440][ T2187] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5a96288bcb
[   80.886701][ T2187] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.886944][ T2187] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.887189][ T2187] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcc9a6cc90
[   80.887439][ T2187] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcc9a6e887
| [   80.892753][ T2187] ------------[ cut here ]------------
| [   80.892928][ T2187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2187
| [   80.893230][ T2187] Modules linked in: xfrm_user nf_tables
| [   80.893761][ T2187] Tainted: [W]=WARN
[   80.893906][ T2187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.894114][ T2187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.894340][ T2187] 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
[   80.894934][ T2187] RSP: 0018:ffa0000002ccfa78 EFLAGS: 00010286
[   80.895199][ T2187] RAX: 00000000ffffffa6 RBX: ff1100000b82ee40 RCX: 1ff4000000599f15
[   80.895499][ T2187] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b82eefc
[   80.895814][ T2187] RBP: ff11000001df4000 R08: 1fe2200001705de1 R09: ff11000009c5d180
[   80.896119][ T2187] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   80.896421][ T2187] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001df4000
[   80.896735][ T2187] FS:  00007f5a95fc6840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   80.897064][ T2187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.897337][ T2187] CR2: 00007f897650c2a0 CR3: 000000000ff61005 CR4: 0000000000771ef0
[   80.897642][ T2187] PKRU: 55555554
[   80.897851][ T2187] Call Trace:
[   80.898047][ T2187]  <TASK>
[   80.898213][ T2187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.898408][ T2187]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.898592][ T2187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.898752][ T2187]  register_netdevice (net/core/dev.c:11488)
[   80.898936][ T2187]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.899143][ T2187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.899335][ T2187]  register_netdev (net/core/dev.c:11552)
[   80.899515][ T2187]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   80.899706][ T2187]  ops_init (net/core/net_namespace.c:137)
[   80.899854][ T2187]  setup_net (net/core/net_namespace.c:446)
[   80.900000][ T2187]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.900178][ T2187]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.900368][ T2187]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.900556][ T2187]  copy_net_ns (net/core/net_namespace.c:579)
[   80.900750][ T2187]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.900929][ T2187]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.901107][ T2187]  ksys_unshare (kernel/fork.c:3243)
[   80.901294][ T2187]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.901474][ T2187]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.901668][ T2187]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.901847][ T2187]  ? __ia32_sys_open (fs/open.c:1374)
[   80.902027][ T2187]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.902204][ T2187]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.902389][ T2187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.902574][ T2187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.902766][ T2187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.902949][ T2187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.903155][ T2187] RIP: 0033:0x7f5a96288bcb
[   80.903345][ T2187] 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
[   80.903868][ T2187] RSP: 002b:00007ffcc9a6aa68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   80.904113][ T2187] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5a96288bcb
[   80.904362][ T2187] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.904614][ T2187] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.904866][ T2187] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcc9a6cc90
[   80.905109][ T2187] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcc9a6e887
| [   80.910048][ T2187] ------------[ cut here ]------------
| [   80.910227][ T2187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2187
| [   80.910543][ T2187] Modules linked in: xfrm_user nf_tables
| [   80.911043][ T2187] Tainted: [W]=WARN
[   80.911189][ T2187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.911413][ T2187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.911638][ T2187] 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
[   80.912155][ T2187] RSP: 0018:ffa0000002ccfa68 EFLAGS: 00010286
[   80.912376][ T2187] RAX: 00000000ffffffa6 RBX: ff1100000e63d000 RCX: 1ff4000000599f13
[   80.912627][ T2187] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e63d0bc
[   80.913394][ T2187] RBP: ff1100000fc04000 R08: 1fe2200001cc7a19 R09: ff11000009c5d180
[   80.913714][ T2187] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   80.914009][ T2187] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc04000
[   80.914325][ T2187] FS:  00007f5a95fc6840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   80.914676][ T2187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.914940][ T2187] CR2: 00007f897650c2a0 CR3: 000000000ff61005 CR4: 0000000000771ef0
[   80.915244][ T2187] PKRU: 55555554
[   80.915442][ T2187] Call Trace:
[   80.915648][ T2187]  <TASK>
[   80.915875][ T2187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.916106][ T2187]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.916342][ T2187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.916552][ T2187]  register_netdevice (net/core/dev.c:11488)
[   80.916794][ T2187]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.917058][ T2187]  register_netdev (net/core/dev.c:11552)
[   80.917296][ T2187]  sit_init_net (net/ipv6/sit.c:1860)
[   80.917493][ T2187]  ops_init (net/core/net_namespace.c:137)
[   80.917664][ T2187]  setup_net (net/core/net_namespace.c:446)
[   80.917812][ T2187]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.917988][ T2187]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.918167][ T2187]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.918351][ T2187]  copy_net_ns (net/core/net_namespace.c:579)
[   80.918533][ T2187]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.918731][ T2187]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.918909][ T2187]  ksys_unshare (kernel/fork.c:3243)
[   80.919087][ T2187]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.919271][ T2187]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.919449][ T2187]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.919635][ T2187]  ? __ia32_sys_open (fs/open.c:1374)
[   80.919829][ T2187]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.920009][ T2187]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.920185][ T2187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.920375][ T2187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.920561][ T2187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.920753][ T2187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.920962][ T2187] RIP: 0033:0x7f5a96288bcb
[   80.921144][ T2187] 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
[   80.921681][ T2187] RSP: 002b:00007ffcc9a6aa68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   80.921924][ T2187] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5a96288bcb
[   80.922163][ T2187] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.922413][ T2187] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.922674][ T2187] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcc9a6cc90
[   80.922915][ T2187] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcc9a6e887
| [   80.928131][ T2187] ------------[ cut here ]------------
| [   80.928313][ T2187] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2187
| [   80.928624][ T2187] Modules linked in: xfrm_user nf_tables
| [   80.929134][ T2187] Tainted: [W]=WARN
[   80.929284][ T2187] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.929494][ T2187] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.929737][ T2187] 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
[   80.930254][ T2187] RSP: 0018:ffa0000002ccfa78 EFLAGS: 00010286
[   80.930468][ T2187] RAX: 00000000ffffffa6 RBX: ff1100000bf8c900 RCX: 1ff4000000599f15
[   80.931235][ T2187] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bf8c9bc
[   80.931547][ T2187] RBP: ff1100000fd29000 R08: 1fe22000017f1939 R09: ff11000009c5d180
[   80.931855][ T2187] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   80.932149][ T2187] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd29000
[   80.932455][ T2187] FS:  00007f5a95fc6840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   80.932806][ T2187] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.933074][ T2187] CR2: 00007f897650c2a0 CR3: 000000000ff61005 CR4: 0000000000771ef0
[   80.933385][ T2187] PKRU: 55555554
[   80.933585][ T2187] Call Trace:
[   80.933792][ T2187]  <TASK>
[   80.933960][ T2187]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.934193][ T2187]  ? notifier_call_chain (kernel/notifier.c:85)
[   80.934436][ T2187]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.934643][ T2187]  register_netdevice (net/core/dev.c:11488)
[   80.934946][ T2187]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   80.935207][ T2187]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.935448][ T2187]  register_netdev (net/core/dev.c:11552)
[   80.935699][ T2187]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   80.935932][ T2187]  ops_init (net/core/net_namespace.c:137)
[   80.936130][ T2187]  setup_net (net/core/net_namespace.c:446)
[   80.936338][ T2187]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   80.936578][ T2187]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   80.936787][ T2187]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   80.936965][ T2187]  copy_net_ns (net/core/net_namespace.c:579)
[   80.937145][ T2187]  create_new_namespaces (kernel/nsproxy.c:132)
[   80.937334][ T2187]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   80.937517][ T2187]  ksys_unshare (kernel/fork.c:3243)
[   80.937705][ T2187]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   80.937887][ T2187]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   80.938065][ T2187]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   80.938251][ T2187]  ? __ia32_sys_open (fs/open.c:1374)
[   80.938432][ T2187]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   80.938618][ T2187]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   80.938804][ T2187]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.938981][ T2187]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.939161][ T2187]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.939348][ T2187]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.939561][ T2187] RIP: 0033:0x7f5a96288bcb
[   80.939757][ T2187] 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
[   80.940269][ T2187] RSP: 002b:00007ffcc9a6aa68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   80.940517][ T2187] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5a96288bcb
[   80.940774][ T2187] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   80.941015][ T2187] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   80.941262][ T2187] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcc9a6cc90
[   80.941506][ T2187] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcc9a6e887
| [   80.972178][ T2188] ------------[ cut here ]------------
| [   80.972333][ T2188] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2188
| [   80.972599][ T2188] Modules linked in: xfrm_user nf_tables
| [   80.973725][ T2188] Tainted: [W]=WARN
[   80.973825][ T2188] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   80.973988][ T2188] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   80.974158][ T2188] 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
[   80.974628][ T2188] RSP: 0018:ffa0000002d1f020 EFLAGS: 00010286
[   80.974797][ T2188] RAX: 00000000ffffffa6 RBX: ff1100001024ce40 RCX: 1ff40000005a3dca
[   80.974990][ T2188] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001024cefc
[   80.975184][ T2188] RBP: ff1100000ffe9000 R08: 1fe22000020499e1 R09: ff11000009c5ae58
[   80.975379][ T2188] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   80.975581][ T2188] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   80.975779][ T2188] FS:  00007ff0a528c840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   80.976005][ T2188] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   80.976168][ T2188] CR2: 000000000a78c988 CR3: 0000000004eee001 CR4: 0000000000771ef0
[   80.976367][ T2188] PKRU: 55555554
[   80.976466][ T2188] Call Trace:
[   80.976569][ T2188]  <TASK>
[   80.976636][ T2188]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   80.976774][ T2188]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   80.976872][ T2188]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   80.977002][ T2188]  __dev_notify_flags (net/core/dev.c:9787)
[   80.977134][ T2188]  ? netif_change_name (net/core/dev.c:1495)
[   80.977267][ T2188]  ? __dev_change_flags (net/core/dev.c:9752)
[   80.977398][ T2188]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   80.977531][ T2188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.977667][ T2188]  ? 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))
[   80.977800][ T2188]  netif_change_flags (net/core/dev.c:9820)
[   80.977931][ T2188]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   80.978061][ T2188]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   80.978193][ T2188]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   80.978331][ T2188]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   80.978494][ T2188]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   80.978626][ T2188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   80.978759][ T2188]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   80.978887][ T2188]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   80.979016][ T2188]  ? __kernel_text_address (kernel/extable.c:79)
[   80.979149][ T2188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   80.979287][ T2188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   80.979415][ T2188]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   80.979549][ T2188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   80.979684][ T2188]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   80.979812][ T2188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   80.979940][ T2188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   80.980070][ T2188]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   80.980201][ T2188]  ? __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)
[   80.980336][ T2188]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   80.980466][ T2188]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   80.980600][ T2188]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   80.980739][ T2188]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   80.980872][ T2188]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   80.981003][ T2188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   80.981131][ T2188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   80.981267][ T2188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   80.981397][ T2188]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   80.981529][ T2188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.981666][ T2188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   80.981795][ T2188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   80.981924][ T2188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   80.982054][ T2188]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   80.982186][ T2188]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   80.982321][ T2188]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   80.982453][ T2188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   80.982586][ T2188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.982721][ T2188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   80.982853][ T2188]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   80.982982][ T2188]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   80.983113][ T2188]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   80.983250][ T2188]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   80.983381][ T2188]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   80.983518][ T2188]  ? 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))
[   80.983647][ T2188]  ? 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))
[   80.983784][ T2188]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   80.983915][ T2188]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   80.984045][ T2188]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   80.984177][ T2188]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   80.984313][ T2188]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   80.984445][ T2188]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   80.984579][ T2188]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   80.984715][ T2188]  ? copy_msghdr_from_user (net/socket.c:2635)
[   80.984845][ T2188]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   80.985003][ T2188]  ? move_addr_to_kernel (net/socket.c:258)
[   80.985133][ T2188]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   80.985271][ T2188]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   80.985401][ T2188]  ___sys_sendmsg (net/socket.c:2752)
[   80.985534][ T2188]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   80.985699][ T2188]  ? copy_msghdr_from_user (net/socket.c:2603)
[   80.985840][ T2188]  __sys_sendmsg (net/socket.c:2784)
[   80.985969][ T2188]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   80.986097][ T2188]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   80.986269][ T2188]  ? 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)
[   80.986400][ T2188]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   80.986535][ T2188]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   80.986666][ T2188]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   80.986795][ T2188]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   80.986923][ T2188]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   80.987082][ T2188] RIP: 0033:0x7ff0a54c608e
[   80.987217][ T2188] 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
[   80.987697][ T2188] RSP: 002b:00007fffee145890 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   80.987891][ T2188] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff0a54c608e
[   80.988084][ T2188] RDX: 0000000000000000 RSI: 00007fffee145940 RDI: 0000000000000005
[   80.988284][ T2188] RBP: 00007fffee1458a0 R08: 0000000000000000 R09: 0000000000000000
[   80.988476][ T2188] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87b
[   80.988684][ T2188] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffee146010
| [   81.106342][ T2192] ------------[ cut here ]------------
| [   81.106531][ T2192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2192
| [   81.106848][ T2192] Modules linked in: xfrm_user nf_tables
| [   81.107348][ T2192] Tainted: [W]=WARN
[   81.107493][ T2192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.107720][ T2192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   81.107936][ T2192] 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
[   81.108447][ T2192] RSP: 0018:ffa0000002e7fa80 EFLAGS: 00010286
[   81.108686][ T2192] RAX: 00000000ffffffa6 RBX: ff110000101b7e00 RCX: 1ff40000005cff16
[   81.108937][ T2192] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b7ebc
[   81.109176][ T2192] RBP: ff110000127f9000 R08: 1fe2200002036fd9 R09: ff1100000ebbae80
[   81.109423][ T2192] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   81.109683][ T2192] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000127f9000
[   81.109924][ T2192] FS:  00007fbac94e4840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   81.110200][ T2192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   81.110413][ T2192] CR2: 00007fbac96f0690 CR3: 0000000009bcf005 CR4: 0000000000771ef0
[   81.110672][ T2192] PKRU: 55555554
[   81.110816][ T2192] Call Trace:
[   81.110959][ T2192]  <TASK>
[   81.111072][ T2192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   81.111255][ T2192]  ? notifier_call_chain (kernel/notifier.c:85)
[   81.111435][ T2192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   81.111588][ T2192]  register_netdevice (net/core/dev.c:11488)
[   81.111778][ T2192]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   81.111987][ T2192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   81.112165][ T2192]  register_netdev (net/core/dev.c:11552)
[   81.112349][ T2192]  loopback_net_init (drivers/net/loopback.c:218)
[   81.112530][ T2192]  ops_init (net/core/net_namespace.c:137)
[   81.112755][ T2192]  setup_net (net/core/net_namespace.c:446)
[   81.112954][ T2192]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   81.113142][ T2192]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   81.113326][ T2192]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   81.113510][ T2192]  copy_net_ns (net/core/net_namespace.c:579)
[   81.113704][ T2192]  create_new_namespaces (kernel/nsproxy.c:132)
[   81.113893][ T2192]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   81.114068][ T2192]  ksys_unshare (kernel/fork.c:3243)
[   81.114251][ T2192]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   81.114428][ T2192]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   81.114614][ T2192]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   81.114803][ T2192]  ? __ia32_sys_open (fs/open.c:1374)
[   81.114982][ T2192]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   81.115157][ T2192]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   81.115342][ T2192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   81.115523][ T2192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   81.115714][ T2192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   81.115893][ T2192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   81.116099][ T2192] RIP: 0033:0x7fbac97a6bcb
[   81.116285][ T2192] 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
[   81.116809][ T2192] RSP: 002b:00007ffe744c2a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   81.117051][ T2192] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbac97a6bcb
[   81.117296][ T2192] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   81.117543][ T2192] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   81.117794][ T2192] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe744c4c30
[   81.118033][ T2192] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe744c6888
| [   81.122886][ T2192] ------------[ cut here ]------------
| [   81.123064][ T2192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2192
| [   81.123374][ T2192] Modules linked in: xfrm_user nf_tables
| [   81.123875][ T2192] Tainted: [W]=WARN
[   81.124021][ T2192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.124247][ T2192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   81.124462][ T2192] 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
[   81.125044][ T2192] RSP: 0018:ffa0000002e7f918 EFLAGS: 00010286
[   81.125314][ T2192] RAX: 00000000ffffffa6 RBX: ff110000109cd1c0 RCX: 1ff40000005cfee9
[   81.125619][ T2192] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109cd27c
[   81.125919][ T2192] RBP: ff11000013abc000 R08: 1fe2200002139a51 R09: ff1100000ebbae80
[   81.126211][ T2192] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   81.126513][ T2192] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013abc000
[   81.126824][ T2192] FS:  00007fbac94e4840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   81.127156][ T2192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   81.127426][ T2192] CR2: 00007fbac96f0690 CR3: 0000000009bcf005 CR4: 0000000000771ef0
[   81.127742][ T2192] PKRU: 55555554
[   81.127936][ T2192] Call Trace:
[   81.128130][ T2192]  <TASK>
[   81.128307][ T2192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   81.128548][ T2192]  ? notifier_call_chain (kernel/notifier.c:85)
[   81.128790][ T2192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   81.128988][ T2192]  register_netdevice (net/core/dev.c:11488)
[   81.129216][ T2192]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   81.129456][ T2192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   81.129641][ T2192]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   81.129833][ T2192]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   81.130008][ T2192]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   81.130184][ T2192]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   81.130372][ T2192]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   81.130558][ T2192]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   81.130751][ T2192]  ops_init (net/core/net_namespace.c:137)
[   81.130898][ T2192]  setup_net (net/core/net_namespace.c:446)
[   81.131042][ T2192]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   81.131216][ T2192]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   81.131400][ T2192]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   81.131586][ T2192]  copy_net_ns (net/core/net_namespace.c:579)
[   81.131778][ T2192]  create_new_namespaces (kernel/nsproxy.c:132)
[   81.131956][ T2192]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   81.132131][ T2192]  ksys_unshare (kernel/fork.c:3243)
[   81.132319][ T2192]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   81.132494][ T2192]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   81.132690][ T2192]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   81.132867][ T2192]  ? __ia32_sys_open (fs/open.c:1374)
[   81.133045][ T2192]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   81.133219][ T2192]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   81.133401][ T2192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   81.133585][ T2192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   81.133776][ T2192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   81.133952][ T2192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   81.134157][ T2192] RIP: 0033:0x7fbac97a6bcb
[   81.134346][ T2192] 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
[   81.134867][ T2192] RSP: 002b:00007ffe744c2a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   81.135107][ T2192] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbac97a6bcb
[   81.135346][ T2192] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   81.135592][ T2192] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   81.135843][ T2192] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe744c4c30
[   81.136083][ T2192] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe744c6888
| [   81.140759][ T2192] ------------[ cut here ]------------
| [   81.140936][ T2192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2192
| [   81.141245][ T2192] Modules linked in: xfrm_user nf_tables
| [   81.141755][ T2192] Tainted: [W]=WARN
[   81.141900][ T2192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.142111][ T2192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   81.142335][ T2192] 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
[   81.143403][ T2192] RSP: 0018:ffa0000002e7f8f8 EFLAGS: 00010286
[   81.143695][ T2192] RAX: 00000000ffffffa6 RBX: ff1100001024d700 RCX: 1ff40000005cfee5
[   81.143988][ T2192] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001024d7bc
[   81.144290][ T2192] RBP: ff11000013a0c000 R08: 1fe2200002049af9 R09: ff1100000ebbae80
[   81.144588][ T2192] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   81.144900][ T2192] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013a0c000
[   81.145205][ T2192] FS:  00007fbac94e4840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   81.145549][ T2192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   81.145824][ T2192] CR2: 00007fbac96f0690 CR3: 0000000009bcf005 CR4: 0000000000771ef0
[   81.146120][ T2192] PKRU: 55555554
[   81.146329][ T2192] Call Trace:
[   81.146538][ T2192]  <TASK>
[   81.146722][ T2192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   81.146955][ T2192]  ? notifier_call_chain (kernel/notifier.c:85)
[   81.147189][ T2192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   81.147398][ T2192]  register_netdevice (net/core/dev.c:11488)
[   81.147643][ T2192]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   81.147979][ T2192]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   81.148216][ T2192]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   81.148455][ T2192]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   81.148708][ T2192]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   81.148942][ T2192]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   81.149172][ T2192]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   81.149410][ T2192]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   81.149606][ T2192]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   81.149797][ T2192]  vti_init_net (net/ipv4/ip_vti.c:517)
[   81.149978][ T2192]  ops_init (net/core/net_namespace.c:137)
[   81.150125][ T2192]  setup_net (net/core/net_namespace.c:446)
[   81.150280][ T2192]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   81.150458][ T2192]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   81.150645][ T2192]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   81.150839][ T2192]  copy_net_ns (net/core/net_namespace.c:579)
[   81.151019][ T2192]  create_new_namespaces (kernel/nsproxy.c:132)
[   81.151202][ T2192]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   81.151385][ T2192]  ksys_unshare (kernel/fork.c:3243)
[   81.151571][ T2192]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   81.151763][ T2192]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   81.151940][ T2192]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   81.152118][ T2192]  ? __ia32_sys_open (fs/open.c:1374)
[   81.152305][ T2192]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   81.152487][ T2192]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   81.152686][ T2192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   81.152864][ T2192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   81.153040][ T2192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   81.153218][ T2192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   81.153436][ T2192] RIP: 0033:0x7fbac97a6bcb
[   81.153625][ T2192] 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
[   81.154146][ T2192] RSP: 002b:00007ffe744c2a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   81.154397][ T2192] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbac97a6bcb
[   81.154647][ T2192] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   81.154903][ T2192] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   81.155142][ T2192] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe744c4c30
[   81.155390][ T2192] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe744c6888
| [   81.159968][ T2192] ------------[ cut here ]------------
| [   81.160143][ T2192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2192
| [   81.160455][ T2192] Modules linked in: xfrm_user nf_tables
| [   81.160970][ T2192] Tainted: [W]=WARN
[   81.161115][ T2192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.161331][ T2192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   81.161555][ T2192] 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
[   81.162612][ T2192] RSP: 0018:ffa0000002e7fa78 EFLAGS: 00010286
[   81.162889][ T2192] RAX: 00000000ffffffa6 RBX: ff1100000fc65700 RCX: 1ff40000005cff15
[   81.163183][ T2192] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc657bc
[   81.163490][ T2192] RBP: ff11000013a1c000 R08: 1fe2200001f8caf9 R09: ff1100000ebbae80
[   81.163802][ T2192] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   81.164095][ T2192] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013a1c000
[   81.164408][ T2192] FS:  00007fbac94e4840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   81.164753][ T2192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   81.165018][ T2192] CR2: 00007fbac96f0690 CR3: 0000000009bcf005 CR4: 0000000000771ef0
[   81.165318][ T2192] PKRU: 55555554
[   81.165521][ T2192] Call Trace:
[   81.165732][ T2192]  <TASK>
[   81.165899][ T2192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   81.166128][ T2192]  ? notifier_call_chain (kernel/notifier.c:85)
[   81.166367][ T2192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   81.166574][ T2192]  register_netdevice (net/core/dev.c:11488)
[   81.166820][ T2192]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   81.167080][ T2192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.167317][ T2192]  register_netdev (net/core/dev.c:11552)
[   81.167557][ T2192]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   81.167801][ T2192]  ops_init (net/core/net_namespace.c:137)
[   81.168001][ T2192]  setup_net (net/core/net_namespace.c:446)
[   81.168202][ T2192]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   81.168437][ T2192]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   81.168682][ T2192]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   81.168860][ T2192]  copy_net_ns (net/core/net_namespace.c:579)
[   81.169039][ T2192]  create_new_namespaces (kernel/nsproxy.c:132)
[   81.169219][ T2192]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   81.169405][ T2192]  ksys_unshare (kernel/fork.c:3243)
[   81.169590][ T2192]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   81.169781][ T2192]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   81.169959][ T2192]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   81.170138][ T2192]  ? __ia32_sys_open (fs/open.c:1374)
[   81.170320][ T2192]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   81.170497][ T2192]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   81.170693][ T2192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   81.170872][ T2192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   81.171048][ T2192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   81.171225][ T2192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   81.171442][ T2192] RIP: 0033:0x7fbac97a6bcb
[   81.171629][ T2192] 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
[   81.172145][ T2192] RSP: 002b:00007ffe744c2a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   81.172393][ T2192] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbac97a6bcb
[   81.172643][ T2192] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   81.172895][ T2192] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   81.173136][ T2192] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe744c4c30
[   81.173379][ T2192] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe744c6888
| [   81.177923][ T2192] ------------[ cut here ]------------
| [   81.178099][ T2192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2192
| [   81.178409][ T2192] Modules linked in: xfrm_user nf_tables
| [   81.178916][ T2192] Tainted: [W]=WARN
[   81.179065][ T2192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.179282][ T2192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   81.179498][ T2192] 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
[   81.180562][ T2192] RSP: 0018:ffa0000002e7fa68 EFLAGS: 00010286
[   81.180844][ T2192] RAX: 00000000ffffffa6 RBX: ff1100000fc65e00 RCX: 1ff40000005cff13
[   81.181139][ T2192] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc65ebc
[   81.181441][ T2192] RBP: ff11000013a39000 R08: 1fe2200001f8cbd9 R09: ff1100000ebbae80
[   81.181754][ T2192] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   81.182052][ T2192] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013a39000
[   81.182368][ T2192] FS:  00007fbac94e4840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   81.182716][ T2192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   81.182980][ T2192] CR2: 00007fbac96f0690 CR3: 0000000009bcf005 CR4: 0000000000771ef0
[   81.183288][ T2192] PKRU: 55555554
[   81.183486][ T2192] Call Trace:
[   81.183701][ T2192]  <TASK>
[   81.183868][ T2192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   81.184098][ T2192]  ? notifier_call_chain (kernel/notifier.c:85)
[   81.184335][ T2192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   81.184547][ T2192]  register_netdevice (net/core/dev.c:11488)
[   81.184792][ T2192]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   81.185061][ T2192]  register_netdev (net/core/dev.c:11552)
[   81.185300][ T2192]  sit_init_net (net/ipv6/sit.c:1860)
[   81.185543][ T2192]  ops_init (net/core/net_namespace.c:137)
[   81.185758][ T2192]  setup_net (net/core/net_namespace.c:446)
[   81.185958][ T2192]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   81.186183][ T2192]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   81.186371][ T2192]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   81.186560][ T2192]  copy_net_ns (net/core/net_namespace.c:579)
[   81.186755][ T2192]  create_new_namespaces (kernel/nsproxy.c:132)
[   81.186936][ T2192]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   81.187115][ T2192]  ksys_unshare (kernel/fork.c:3243)
[   81.187301][ T2192]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   81.187478][ T2192]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   81.187674][ T2192]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   81.187852][ T2192]  ? __ia32_sys_open (fs/open.c:1374)
[   81.188035][ T2192]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   81.188210][ T2192]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   81.188398][ T2192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   81.188583][ T2192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   81.188770][ T2192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   81.188948][ T2192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   81.189156][ T2192] RIP: 0033:0x7fbac97a6bcb
[   81.189347][ T2192] 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
[   81.189877][ T2192] RSP: 002b:00007ffe744c2a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   81.190120][ T2192] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbac97a6bcb
[   81.190374][ T2192] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   81.190623][ T2192] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   81.190874][ T2192] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe744c4c30
[   81.191112][ T2192] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe744c6888
| [   81.202197][ T2192] ------------[ cut here ]------------
| [   81.202382][ T2192] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2192
| [   81.202706][ T2192] Modules linked in: xfrm_user nf_tables
| [   81.203199][ T2192] Tainted: [W]=WARN
[   81.203353][ T2192] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.203570][ T2192] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   81.203829][ T2192] 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
[   81.204346][ T2192] RSP: 0018:ffa0000002e7fa78 EFLAGS: 00010286
[   81.204567][ T2192] RAX: 00000000ffffffa6 RBX: ff1100000e7d2580 RCX: 1ff40000005cff15
[   81.204822][ T2192] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e7d263c
[   81.205068][ T2192] RBP: ff11000013054000 R08: 1fe2200001cfa4c9 R09: ff1100000ebbae80
[   81.205316][ T2192] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   81.205565][ T2192] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013054000
[   81.205822][ T2192] FS:  00007fbac94e4840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   81.206101][ T2192] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   81.206319][ T2192] CR2: 00007fbac96f0690 CR3: 0000000009bcf005 CR4: 0000000000771ef0
[   81.206571][ T2192] PKRU: 55555554
[   81.206728][ T2192] Call Trace:
[   81.206872][ T2192]  <TASK>
[   81.206987][ T2192]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   81.207165][ T2192]  ? notifier_call_chain (kernel/notifier.c:85)
[   81.207352][ T2192]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   81.207499][ T2192]  register_netdevice (net/core/dev.c:11488)
[   81.207698][ T2192]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   81.207906][ T2192]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.208087][ T2192]  register_netdev (net/core/dev.c:11552)
[   81.208272][ T2192]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   81.208452][ T2192]  ops_init (net/core/net_namespace.c:137)
[   81.208614][ T2192]  setup_net (net/core/net_namespace.c:446)
[   81.208772][ T2192]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   81.208947][ T2192]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   81.209125][ T2192]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   81.209313][ T2192]  copy_net_ns (net/core/net_namespace.c:579)
[   81.209491][ T2192]  create_new_namespaces (kernel/nsproxy.c:132)
[   81.209691][ T2192]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   81.209872][ T2192]  ksys_unshare (kernel/fork.c:3243)
[   81.210047][ T2192]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   81.210224][ T2192]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   81.210409][ T2192]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   81.210594][ T2192]  ? __ia32_sys_open (fs/open.c:1374)
[   81.210785][ T2192]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   81.210960][ T2192]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   81.211139][ T2192]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   81.211325][ T2192]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   81.211504][ T2192]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   81.211701][ T2192]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   81.211907][ T2192] RIP: 0033:0x7fbac97a6bcb
[   81.212090][ T2192] 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
[   81.212610][ T2192] RSP: 002b:00007ffe744c2a08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   81.212862][ T2192] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbac97a6bcb
[   81.213101][ T2192] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   81.213348][ T2192] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   81.213597][ T2192] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe744c4c30
[   81.213850][ T2192] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe744c6888
| [   81.243448][ T2193] ------------[ cut here ]------------
| [   81.243601][ T2193] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2193
| [   81.243875][ T2193] Modules linked in: xfrm_user nf_tables
| [   81.244278][ T2193] Tainted: [W]=WARN
[   81.244374][ T2193] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.244543][ T2193] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   81.244717][ T2193] 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
[   81.245175][ T2193] RSP: 0018:ffa0000002e8f020 EFLAGS: 00010286
[   81.245343][ T2193] RAX: 00000000ffffffa6 RBX: ff1100000e7d2e40 RCX: 1ff40000005d1dca
[   81.245537][ T2193] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e7d2efc
[   81.245734][ T2193] RBP: ff110000127f9000 R08: 1fe2200001cfa5e1 R09: ff1100000fa72e58
[   81.245925][ T2193] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   81.246115][ T2193] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   81.246314][ T2193] FS:  00007f00c3a46840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   81.246544][ T2193] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   81.246712][ T2193] CR2: 00000000123ef988 CR3: 000000001237f003 CR4: 0000000000771ef0
[   81.246904][ T2193] PKRU: 55555554
[   81.246999][ T2193] Call Trace:
[   81.247095][ T2193]  <TASK>
[   81.247160][ T2193]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   81.247297][ T2193]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   81.247396][ T2193]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   81.247527][ T2193]  __dev_notify_flags (net/core/dev.c:9787)
[   81.247663][ T2193]  ? netif_change_name (net/core/dev.c:1495)
[   81.247791][ T2193]  ? __dev_change_flags (net/core/dev.c:9752)
[   81.247921][ T2193]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   81.248050][ T2193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.248179][ T2193]  ? 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))
[   81.248315][ T2193]  netif_change_flags (net/core/dev.c:9820)
[   81.248445][ T2193]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   81.248576][ T2193]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   81.248801][ T2193]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   81.248931][ T2193]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   81.249092][ T2193]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   81.249220][ T2193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   81.249353][ T2193]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   81.249481][ T2193]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   81.249612][ T2193]  ? __kernel_text_address (kernel/extable.c:79)
[   81.249821][ T2193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   81.249953][ T2193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   81.250080][ T2193]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   81.250209][ T2193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   81.250343][ T2193]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   81.250470][ T2193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   81.250602][ T2193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   81.250805][ T2193]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   81.250934][ T2193]  ? __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)
[   81.251063][ T2193]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   81.251192][ T2193]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   81.251327][ T2193]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   81.251458][ T2193]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   81.251593][ T2193]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   81.251799][ T2193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   81.251926][ T2193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   81.252056][ T2193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   81.252183][ T2193]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   81.252316][ T2193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.252449][ T2193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   81.252577][ T2193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   81.252780][ T2193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   81.252909][ T2193]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.253038][ T2193]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   81.253166][ T2193]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   81.253302][ T2193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   81.253431][ T2193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   81.253563][ T2193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   81.253769][ T2193]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   81.253897][ T2193]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   81.254025][ T2193]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   81.254155][ T2193]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   81.254287][ T2193]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   81.254419][ T2193]  ? 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))
[   81.254550][ T2193]  ? 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))
[   81.254742][ T2193]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   81.254873][ T2193]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   81.255000][ T2193]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   81.255129][ T2193]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   81.255264][ T2193]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   81.255394][ T2193]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   81.255527][ T2193]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   81.255662][ T2193]  ? copy_msghdr_from_user (net/socket.c:2635)
[   81.255790][ T2193]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   81.255948][ T2193]  ? move_addr_to_kernel (net/socket.c:258)
[   81.256078][ T2193]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   81.256207][ T2193]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   81.256342][ T2193]  ___sys_sendmsg (net/socket.c:2752)
[   81.256470][ T2193]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   81.256631][ T2193]  ? copy_msghdr_from_user (net/socket.c:2603)
[   81.256775][ T2193]  __sys_sendmsg (net/socket.c:2784)
[   81.256905][ T2193]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   81.257034][ T2193]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   81.257194][ T2193]  ? 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)
[   81.257327][ T2193]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   81.257457][ T2193]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   81.257590][ T2193]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   81.257722][ T2193]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   81.257850][ T2193]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   81.258008][ T2193] RIP: 0033:0x7f00c3c8008e
[   81.258141][ T2193] 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
[   81.258609][ T2193] RSP: 002b:00007ffd2d901ba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   81.258808][ T2193] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f00c3c8008e
[   81.259001][ T2193] RDX: 0000000000000000 RSI: 00007ffd2d901c50 RDI: 0000000000000005
[   81.259192][ T2193] RBP: 00007ffd2d901bb0 R08: 0000000000000000 R09: 0000000000000000
[   81.259389][ T2193] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87b
[   81.259680][ T2193] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2d902320
| [   81.506584][ T2203] ------------[ cut here ]------------
| [   81.506755][ T2203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2203
| [   81.507028][ T2203] Modules linked in: xfrm_user nf_tables
| [   81.507448][ T2203] Tainted: [W]=WARN
[   81.507552][ T2203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.507728][ T2203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   81.507905][ T2203] 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
[   81.508387][ T2203] RSP: 0018:ffa0000002efee30 EFLAGS: 00010286
[   81.508561][ T2203] RAX: 00000000ffffffa6 RBX: ff11000009b8a3c0 RCX: 1ff40000005dfd8c
[   81.508771][ T2203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009b8a47c
[   81.508972][ T2203] RBP: ff110000124a9000 R08: 1fe2200001371491 R09: ff11000008fbd180
[   81.509173][ T2203] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   81.509381][ T2203] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014cd7c00
[   81.509586][ T2203] FS:  00007f22c9705840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   81.509828][ T2203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   81.509999][ T2203] CR2: 00000000004eb188 CR3: 0000000012fe3005 CR4: 0000000000771ef0
[   81.510202][ T2203] PKRU: 55555554
[   81.510308][ T2203] Call Trace:
[   81.510410][ T2203]  <TASK>
[   81.510481][ T2203]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   81.510660][ T2203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   81.510798][ T2203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   81.510899][ T2203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   81.511034][ T2203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   81.511167][ T2203]  __dev_notify_flags (net/core/dev.c:9787)
[   81.511308][ T2203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.511443][ T2203]  ? netif_change_name (net/core/dev.c:1495)
[   81.511581][ T2203]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   81.511724][ T2203]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   81.511894][ T2203]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   81.512064][ T2203]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   81.512200][ T2203]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   81.512344][ T2203]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   81.512480][ T2203]  veth_newlink (drivers/net/veth.c:1871)
[   81.512620][ T2203]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   81.512817][ T2203]  ? kasan_save_stack (mm/kasan/common.c:57)
[   81.512953][ T2203]  ? kasan_save_track (mm/kasan/common.c:78)
[   81.513088][ T2203]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   81.513245][ T2203]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   81.513380][ T2203]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   81.513517][ T2203]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   81.513712][ T2203]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   81.513851][ T2203]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   81.513987][ T2203]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   81.514124][ T2203]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   81.514263][ T2203]  ? __dev_get_by_name (net/core/dev.c:883)
[   81.514396][ T2203]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   81.514541][ T2203]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   81.514761][ T2203]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   81.514898][ T2203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   81.515099][ T2203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   81.515233][ T2203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   81.515372][ T2203]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   81.515510][ T2203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.515650][ T2203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.515875][ T2203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   81.516010][ T2203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   81.516146][ T2203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   81.516285][ T2203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   81.516420][ T2203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   81.516560][ T2203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   81.516784][ T2203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   81.516920][ T2203]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   81.517055][ T2203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   81.517190][ T2203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   81.517333][ T2203]  ? 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))
[   81.517468][ T2203]  ? 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))
[   81.517608][ T2203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   81.517820][ T2203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   81.517957][ T2203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   81.518093][ T2203]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   81.518230][ T2203]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   81.518370][ T2203]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   81.518510][ T2203]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   81.518647][ T2203]  ? copy_msghdr_from_user (net/socket.c:2635)
[   81.518840][ T2203]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   81.519008][ T2203]  ? move_addr_to_kernel (net/socket.c:258)
[   81.519144][ T2203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.519284][ T2203]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   81.519419][ T2203]  ___sys_sendmsg (net/socket.c:2752)
[   81.519558][ T2203]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   81.519725][ T2203]  ? copy_msghdr_from_user (net/socket.c:2603)
[   81.519864][ T2203]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   81.520003][ T2203]  ? 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))
[   81.520140][ T2203]  __sys_sendmsg (net/socket.c:2784)
[   81.520281][ T2203]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   81.520419][ T2203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   81.520559][ T2203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   81.520699][ T2203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   81.520836][ T2203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   81.520970][ T2203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   81.521104][ T2203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   81.521275][ T2203] RIP: 0033:0x7f22c993f08e
[   81.521418][ T2203] 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
[   81.521931][ T2203] RSP: 002b:00007ffca610b370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   81.522135][ T2203] RAX: ffffffffffffffda RBX: 00007ffca610bb08 RCX: 00007f22c993f08e
[   81.522342][ T2203] RDX: 0000000000000000 RSI: 00007ffca610b420 RDI: 0000000000000005
[   81.522546][ T2203] RBP: 00007ffca610b380 R08: 0000000000000000 R09: 0000000000000000
[   81.522751][ T2203] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87b
[   81.522953][ T2203] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca610bae0
| [   81.536030][ T2203] ------------[ cut here ]------------
| [   81.536177][ T2203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2203
| [   81.536446][ T2203] Modules linked in: xfrm_user nf_tables
| [   81.536863][ T2203] Tainted: [W]=WARN
[   81.536965][ T2203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.537132][ T2203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   81.537311][ T2203] 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
[   81.537790][ T2203] RSP: 0018:ffa0000002eff1b0 EFLAGS: 00010286
[   81.537957][ T2203] RAX: 00000000ffffffa6 RBX: ff1100000d350c80 RCX: 1ff40000005dfdfc
[   81.538155][ T2203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d350d3c
[   81.538357][ T2203] RBP: ff11000012b59000 R08: 1fe2200001a6a1a9 R09: ff11000008fbd180
[   81.538560][ T2203] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   81.538763][ T2203] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   81.538962][ T2203] FS:  00007f22c9705840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   81.539194][ T2203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   81.539368][ T2203] CR2: 00000000004eb188 CR3: 0000000012fe3005 CR4: 0000000000771ef0
[   81.539573][ T2203] PKRU: 55555554
[   81.539678][ T2203] Call Trace:
[   81.539778][ T2203]  <TASK>
[   81.539847][ T2203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   81.539983][ T2203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   81.540086][ T2203]  __dev_notify_flags (net/core/dev.c:9787)
[   81.540222][ T2203]  ? netif_change_name (net/core/dev.c:1495)
[   81.540363][ T2203]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   81.540497][ T2203]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   81.540638][ T2203]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   81.540779][ T2203]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   81.540914][ T2203]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   81.541049][ T2203]  ? __dev_get_by_name (net/core/dev.c:883)
[   81.541182][ T2203]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   81.541324][ T2203]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   81.541463][ T2203]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   81.541602][ T2203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   81.541741][ T2203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   81.541875][ T2203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   81.542009][ T2203]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   81.542143][ T2203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.542291][ T2203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.542427][ T2203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   81.542565][ T2203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   81.542704][ T2203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   81.542837][ T2203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   81.542970][ T2203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   81.543106][ T2203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   81.543245][ T2203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   81.543382][ T2203]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   81.543516][ T2203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   81.543658][ T2203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   81.543793][ T2203]  ? 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))
[   81.543926][ T2203]  ? 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))
[   81.544061][ T2203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   81.544196][ T2203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   81.544338][ T2203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   81.544472][ T2203]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   81.544609][ T2203]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   81.544749][ T2203]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   81.544886][ T2203]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   81.545021][ T2203]  ? copy_msghdr_from_user (net/socket.c:2635)
[   81.545154][ T2203]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   81.545325][ T2203]  ? move_addr_to_kernel (net/socket.c:258)
[   81.545461][ T2203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.545599][ T2203]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   81.545738][ T2203]  ___sys_sendmsg (net/socket.c:2752)
[   81.545869][ T2203]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   81.546003][ T2203]  ? copy_msghdr_from_user (net/socket.c:2603)
[   81.546139][ T2203]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   81.546282][ T2203]  ? 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))
[   81.546419][ T2203]  __sys_sendmsg (net/socket.c:2784)
[   81.546558][ T2203]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   81.546704][ T2203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   81.546836][ T2203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   81.546972][ T2203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   81.547105][ T2203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   81.547242][ T2203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   81.547375][ T2203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   81.547546][ T2203] RIP: 0033:0x7f22c993f08e
[   81.547695][ T2203] 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
[   81.548168][ T2203] RSP: 002b:00007ffca610b370 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   81.548376][ T2203] RAX: ffffffffffffffda RBX: 00007ffca610bb08 RCX: 00007f22c993f08e
[   81.548578][ T2203] RDX: 0000000000000000 RSI: 00007ffca610b420 RDI: 0000000000000005
[   81.548782][ T2203] RBP: 00007ffca610b380 R08: 0000000000000000 R09: 0000000000000000
[   81.548981][ T2203] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87b
[   81.549180][ T2203] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca610bae0
| [   81.654806][ T2207] ------------[ cut here ]------------
| [   81.654955][ T2207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2207
| [   81.655214][ T2207] Modules linked in: xfrm_user nf_tables
| [   81.655617][ T2207] Tainted: [W]=WARN
[   81.655723][ T2207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.655883][ T2207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   81.656050][ T2207] 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
[   81.656514][ T2207] RSP: 0018:ffa0000002e4f020 EFLAGS: 00010286
[   81.656681][ T2207] RAX: 00000000ffffffa6 RBX: ff11000004dbb540 RCX: 1ff40000005c9dca
[   81.656871][ T2207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004dbb5fc
[   81.657064][ T2207] RBP: ff11000012b59000 R08: 1fe22000009b76c1 R09: ff1100000eb2d158
[   81.657256][ T2207] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   81.657445][ T2207] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   81.657640][ T2207] FS:  00007f32681a0840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   81.657871][ T2207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   81.658032][ T2207] CR2: 00007f32684701a0 CR3: 000000000e8b1006 CR4: 0000000000771ef0
[   81.658225][ T2207] PKRU: 55555554
[   81.658327][ T2207] Call Trace:
[   81.658422][ T2207]  <TASK>
[   81.658488][ T2207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   81.658624][ T2207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   81.658726][ T2207]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   81.658856][ T2207]  __dev_notify_flags (net/core/dev.c:9787)
[   81.658986][ T2207]  ? netif_change_name (net/core/dev.c:1495)
[   81.659115][ T2207]  ? __dev_change_flags (net/core/dev.c:9752)
[   81.659248][ T2207]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   81.659376][ T2207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.659508][ T2207]  ? 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))
[   81.659640][ T2207]  netif_change_flags (net/core/dev.c:9820)
[   81.660357][ T2207]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   81.660488][ T2207]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   81.660621][ T2207]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   81.660756][ T2207]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   81.660915][ T2207]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   81.661042][ T2207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   81.661170][ T2207]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   81.661301][ T2207]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   81.661430][ T2207]  ? __kernel_text_address (kernel/extable.c:79)
[   81.661562][ T2207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   81.661695][ T2207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   81.661820][ T2207]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   81.661947][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   81.662075][ T2207]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   81.662201][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   81.662333][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   81.662460][ T2207]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   81.662593][ T2207]  ? __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)
[   81.662724][ T2207]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   81.662852][ T2207]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   81.662982][ T2207]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   81.663114][ T2207]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   81.663249][ T2207]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   81.663378][ T2207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   81.663509][ T2207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   81.663636][ T2207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   81.663768][ T2207]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   81.663895][ T2207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.664025][ T2207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   81.664154][ T2207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   81.664286][ T2207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   81.664416][ T2207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.664548][ T2207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   81.664682][ T2207]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   81.664810][ T2207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   81.664938][ T2207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   81.665066][ T2207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   81.665196][ T2207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   81.665329][ T2207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   81.665457][ T2207]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   81.665589][ T2207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   81.665724][ T2207]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   81.665856][ T2207]  ? 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))
[   81.665983][ T2207]  ? 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))
[   81.666114][ T2207]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   81.666248][ T2207]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   81.666376][ T2207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   81.666508][ T2207]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   81.666638][ T2207]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   81.666772][ T2207]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   81.666903][ T2207]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   81.667031][ T2207]  ? copy_msghdr_from_user (net/socket.c:2635)
[   81.667161][ T2207]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   81.667325][ T2207]  ? move_addr_to_kernel (net/socket.c:258)
[   81.667455][ T2207]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   81.667588][ T2207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   81.667723][ T2207]  ___sys_sendmsg (net/socket.c:2752)
[   81.667850][ T2207]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   81.668012][ T2207]  ? copy_msghdr_from_user (net/socket.c:2603)
[   81.668153][ T2207]  __sys_sendmsg (net/socket.c:2784)
[   81.668292][ T2207]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   81.668420][ T2207]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   81.668581][ T2207]  ? 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)
[   81.668715][ T2207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   81.668846][ T2207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   81.668975][ T2207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   81.669105][ T2207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   81.669233][ T2207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   81.669398][ T2207] RIP: 0033:0x7f32683da08e
[   81.669536][ T2207] 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
[   81.670000][ T2207] RSP: 002b:00007ffe2081e770 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   81.670193][ T2207] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f32683da08e
[   81.670391][ T2207] RDX: 0000000000000000 RSI: 00007ffe2081e820 RDI: 0000000000000005
[   81.670585][ T2207] RBP: 00007ffe2081e780 R08: 0000000000000000 R09: 0000000000000000
[   81.670785][ T2207] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87b
[   81.670977][ T2207] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2081eee0
| [   81.777210][ T2211] ------------[ cut here ]------------
| [   81.777360][ T2211] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2211
| [   81.777622][ T2211] Modules linked in: xfrm_user nf_tables
| [   81.778021][ T2211] Tainted: [W]=WARN
[   81.778116][ T2211] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.778288][ T2211] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   81.778454][ T2211] 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
[   81.778914][ T2211] RSP: 0018:ffa0000002d3f020 EFLAGS: 00010286
[   81.779076][ T2211] RAX: 00000000ffffffa6 RBX: ff1100000fdd8c80 RCX: 1ff40000005a7dca
[   81.779274][ T2211] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fdd8d3c
[   81.779464][ T2211] RBP: ff110000124a9000 R08: 1fe2200001fbb1a9 R09: ff1100000f9f5158
[   81.779662][ T2211] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   81.779851][ T2211] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   81.780041][ T2211] FS:  00007fbfe49a9840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   81.780270][ T2211] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   81.780429][ T2211] CR2: 000000001d9ad988 CR3: 000000000ff61004 CR4: 0000000000771ef0
[   81.780626][ T2211] PKRU: 55555554
[   81.780726][ T2211] Call Trace:
[   81.780820][ T2211]  <TASK>
[   81.780885][ T2211]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   81.781014][ T2211]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   81.781113][ T2211]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   81.781246][ T2211]  __dev_notify_flags (net/core/dev.c:9787)
[   81.781375][ T2211]  ? netif_change_name (net/core/dev.c:1495)
[   81.781506][ T2211]  ? __dev_change_flags (net/core/dev.c:9752)
[   81.781635][ T2211]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   81.781768][ T2211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.781894][ T2211]  ? 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))
[   81.782023][ T2211]  netif_change_flags (net/core/dev.c:9820)
[   81.782151][ T2211]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   81.782284][ T2211]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   81.782412][ T2211]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   81.782545][ T2211]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   81.782765][ T2211]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   81.782960][ T2211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   81.783087][ T2211]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   81.783213][ T2211]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   81.783346][ T2211]  ? __kernel_text_address (kernel/extable.c:79)
[   81.783475][ T2211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   81.783607][ T2211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   81.783820][ T2211]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   81.783950][ T2211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   81.784077][ T2211]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   81.784203][ T2211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   81.784335][ T2211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   81.784461][ T2211]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   81.784594][ T2211]  ? __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)
[   81.784796][ T2211]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   81.784925][ T2211]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   81.785053][ T2211]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   81.785183][ T2211]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   81.785318][ T2211]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   81.785447][ T2211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   81.785576][ T2211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   81.785777][ T2211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   81.785904][ T2211]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   81.786029][ T2211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.786158][ T2211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   81.786288][ T2211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   81.786415][ T2211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   81.786545][ T2211]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.786759][ T2211]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   81.786888][ T2211]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   81.787015][ T2211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   81.787142][ T2211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   81.787273][ T2211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   81.787404][ T2211]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   81.787533][ T2211]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   81.787745][ T2211]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   81.787932][ T2211]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   81.788062][ T2211]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   81.788191][ T2211]  ? 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))
[   81.788322][ T2211]  ? 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))
[   81.788452][ T2211]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   81.788583][ T2211]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   81.788716][ T2211]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   81.788844][ T2211]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   81.788972][ T2211]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   81.789100][ T2211]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   81.789228][ T2211]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   81.789358][ T2211]  ? copy_msghdr_from_user (net/socket.c:2635)
[   81.789488][ T2211]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   81.789647][ T2211]  ? move_addr_to_kernel (net/socket.c:258)
[   81.789779][ T2211]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   81.789906][ T2211]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   81.790034][ T2211]  ___sys_sendmsg (net/socket.c:2752)
[   81.790159][ T2211]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   81.790320][ T2211]  ? copy_msghdr_from_user (net/socket.c:2603)
[   81.790459][ T2211]  __sys_sendmsg (net/socket.c:2784)
[   81.790588][ T2211]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   81.790718][ T2211]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   81.790877][ T2211]  ? 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)
[   81.791003][ T2211]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   81.791131][ T2211]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   81.791263][ T2211]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   81.791391][ T2211]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   81.791519][ T2211]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   81.791681][ T2211] RIP: 0033:0x7fbfe4be308e
[   81.791815][ T2211] 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
[   81.792268][ T2211] RSP: 002b:00007fffa7654bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   81.792459][ T2211] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbfe4be308e
[   81.792656][ T2211] RDX: 0000000000000000 RSI: 00007fffa7654c60 RDI: 0000000000000005
[   81.792846][ T2211] RBP: 00007fffa7654bc0 R08: 0000000000000000 R09: 0000000000000000
[   81.793034][ T2211] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87c
[   81.793225][ T2211] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa7655320
| [   81.797128][   T64] ------------[ cut here ]------------
| [   81.797308][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/64
| [   81.797590][   T64] Modules linked in: xfrm_user nf_tables
| [   81.798081][   T64] Tainted: [W]=WARN
[   81.798214][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.798415][   T64] Workqueue: events_unbound linkwatch_event
[   81.798619][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   81.798827][   T64] 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
[   81.799285][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   81.799477][   T64] RAX: 00000000ffffffa6 RBX: ff1100000dda9c40 RCX: 1ff400000008af02
[   81.799731][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda9cfc
[   81.799948][   T64] RBP: ff11000012b59000 R08: 1fe2200001bb53a1 R09: ff11000006100ba8
[   81.800165][   T64] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   81.800394][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   81.800619][   T64] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   81.800878][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   81.801079][   T64] CR2: 00007f4cd72fcf98 CR3: 000000004994d005 CR4: 0000000000771ef0
[   81.801310][   T64] PKRU: 55555554
[   81.801443][   T64] Call Trace:
[   81.801583][   T64]  <TASK>
[   81.801703][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   81.801867][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   81.802030][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   81.802165][   T64]  netif_state_change (net/core/dev.c:1605)
[   81.802337][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   81.802535][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   81.802714][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   81.802879][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   81.803044][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   81.803208][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   81.803375][   T64]  process_one_work (kernel/workqueue.c:3314)
[   81.803550][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   81.803730][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   81.803898][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   81.804062][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   81.804224][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   81.804399][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   81.804571][   T64]  kthread (kernel/kthread.c:436)
[   81.804720][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   81.804911][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   81.805078][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   81.805250][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   81.805443][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   81.805614][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   81.805790][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   81.978781][ T2219] ------------[ cut here ]------------
| [   81.978938][ T2219] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2219
| [   81.979204][ T2219] Modules linked in: xfrm_user nf_tables
| [   81.979628][ T2219] Tainted: [W]=WARN
[   81.980263][ T2219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   81.980434][ T2219] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   81.980614][ T2219] 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
[   81.981144][ T2219] RSP: 0018:ffa0000002f4ee30 EFLAGS: 00010286
[   81.981318][ T2219] RAX: 00000000ffffffa6 RBX: ff1100000f930200 RCX: 1ff40000005e9d8c
[   81.981517][ T2219] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f9302bc
[   81.981774][ T2219] RBP: ff11000013a64000 R08: 1fe2200001f26059 R09: ff11000013a98b80
[   81.982061][ T2219] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   81.982267][ T2219] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d02cb00
[   81.982467][ T2219] FS:  00007f8779d26840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   81.982796][ T2219] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   81.982965][ T2219] CR2: 00000000004eb188 CR3: 00000000134cc001 CR4: 0000000000771ef0
[   81.983167][ T2219] PKRU: 55555554
[   81.983272][ T2219] Call Trace:
[   81.983372][ T2219]  <TASK>
[   81.983441][ T2219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.983577][ T2219]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   81.983791][ T2219]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   81.983892][ T2219]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   81.984028][ T2219]  __dev_notify_flags (net/core/dev.c:9787)
[   81.984163][ T2219]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   81.984301][ T2219]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   81.984433][ T2219]  ? netif_change_name (net/core/dev.c:1495)
[   81.984571][ T2219]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   81.984782][ T2219]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   81.984915][ T2219]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   81.985051][ T2219]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   81.985185][ T2219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.985322][ T2219]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   81.985457][ T2219]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   81.985592][ T2219]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   81.985801][ T2219]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   81.985937][ T2219]  veth_newlink (drivers/net/veth.c:1871)
[   81.986072][ T2219]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   81.986203][ T2219]  ? kasan_save_stack (mm/kasan/common.c:57)
[   81.986342][ T2219]  ? kasan_save_track (mm/kasan/common.c:78)
[   81.986475][ T2219]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   81.986626][ T2219]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   81.986805][ T2219]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   81.986939][ T2219]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   81.987074][ T2219]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   81.987208][ T2219]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   81.987346][ T2219]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   81.987481][ T2219]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   81.987615][ T2219]  ? __dev_get_by_name (net/core/dev.c:883)
[   81.987782][ T2219]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   81.987921][ T2219]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   81.988060][ T2219]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   81.988194][ T2219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   81.988333][ T2219]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   81.988465][ T2219]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   81.988602][ T2219]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   81.988741][ T2219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.988877][ T2219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.989012][ T2219]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   81.989146][ T2219]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   81.989287][ T2219]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   81.989420][ T2219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   81.989557][ T2219]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   81.989698][ T2219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   81.989831][ T2219]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   81.989964][ T2219]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   81.990097][ T2219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   81.990232][ T2219]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   81.990372][ T2219]  ? 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))
[   81.990508][ T2219]  ? 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))
[   81.990643][ T2219]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   81.990782][ T2219]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   81.990917][ T2219]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   81.991051][ T2219]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   81.991185][ T2219]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   81.991323][ T2219]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   81.991458][ T2219]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   81.991595][ T2219]  ? copy_msghdr_from_user (net/socket.c:2635)
[   81.991732][ T2219]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   81.991895][ T2219]  ? move_addr_to_kernel (net/socket.c:258)
[   81.992029][ T2219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   81.992164][ T2219]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   81.992303][ T2219]  ___sys_sendmsg (net/socket.c:2752)
[   81.992435][ T2219]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   81.992574][ T2219]  ? copy_msghdr_from_user (net/socket.c:2603)
[   81.992715][ T2219]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   81.992852][ T2219]  ? 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))
[   81.992989][ T2219]  __sys_sendmsg (net/socket.c:2784)
[   81.993126][ T2219]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   81.993268][ T2219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   81.993401][ T2219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   81.993538][ T2219]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   81.993676][ T2219]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   81.993809][ T2219]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   81.993941][ T2219]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   81.994106][ T2219] RIP: 0033:0x7f8779f6008e
[   81.994251][ T2219] 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
[   81.994733][ T2219] RSP: 002b:00007ffd5a4459a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   81.994933][ T2219] RAX: ffffffffffffffda RBX: 00007ffd5a446138 RCX: 00007f8779f6008e
[   81.995130][ T2219] RDX: 0000000000000000 RSI: 00007ffd5a445a50 RDI: 0000000000000005
[   81.995333][ T2219] RBP: 00007ffd5a4459b0 R08: 0000000000000000 R09: 0000000000000000
[   81.995537][ T2219] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87c
[   81.995742][ T2219] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5a446110
| [   82.003113][ T2219] ------------[ cut here ]------------
| [   82.003267][ T2219] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2219
| [   82.003534][ T2219] Modules linked in: xfrm_user nf_tables
| [   82.003946][ T2219] Tainted: [W]=WARN
[   82.004044][ T2219] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   82.004207][ T2219] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   82.004382][ T2219] 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
[   82.004858][ T2219] RSP: 0018:ffa0000002f4f1b0 EFLAGS: 00010286
[   82.005023][ T2219] RAX: 00000000ffffffa6 RBX: ff11000010238580 RCX: 1ff40000005e9dfc
[   82.005220][ T2219] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001023863c
[   82.005426][ T2219] RBP: ff110000087f1000 R08: 1fe22000020470c9 R09: ff11000013a98b80
[   82.005623][ T2219] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   82.005823][ T2219] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   82.006020][ T2219] FS:  00007f8779d26840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   82.006257][ T2219] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   82.006422][ T2219] CR2: 00007ffe3bb9ddc8 CR3: 00000000134cc003 CR4: 0000000000771ef0
[   82.006622][ T2219] PKRU: 55555554
[   82.006728][ T2219] Call Trace:
[   82.006826][ T2219]  <TASK>
[   82.006895][ T2219]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   82.007030][ T2219]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   82.007131][ T2219]  __dev_notify_flags (net/core/dev.c:9787)
[   82.007269][ T2219]  ? netif_change_name (net/core/dev.c:1495)
[   82.007402][ T2219]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   82.007538][ T2219]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   82.007678][ T2219]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   82.007813][ T2219]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   82.007946][ T2219]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   82.008077][ T2219]  ? __dev_get_by_name (net/core/dev.c:883)
[   82.008208][ T2219]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   82.008350][ T2219]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   82.008486][ T2219]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   82.008623][ T2219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.008762][ T2219]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.008893][ T2219]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.009026][ T2219]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   82.009158][ T2219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.009299][ T2219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.009430][ T2219]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.009565][ T2219]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   82.009699][ T2219]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   82.009832][ T2219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.009962][ T2219]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.010096][ T2219]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.010228][ T2219]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.010366][ T2219]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   82.010498][ T2219]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.010633][ T2219]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   82.010776][ T2219]  ? 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))
[   82.010909][ T2219]  ? 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))
[   82.011043][ T2219]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   82.011176][ T2219]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   82.011313][ T2219]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.011446][ T2219]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   82.011582][ T2219]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   82.011722][ T2219]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   82.011857][ T2219]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   82.011989][ T2219]  ? copy_msghdr_from_user (net/socket.c:2635)
[   82.012122][ T2219]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   82.012287][ T2219]  ? move_addr_to_kernel (net/socket.c:258)
[   82.012419][ T2219]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.012553][ T2219]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   82.012691][ T2219]  ___sys_sendmsg (net/socket.c:2752)
[   82.012824][ T2219]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   82.012955][ T2219]  ? copy_msghdr_from_user (net/socket.c:2603)
[   82.013091][ T2219]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   82.013225][ T2219]  ? 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))
[   82.013362][ T2219]  __sys_sendmsg (net/socket.c:2784)
[   82.013493][ T2219]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   82.013631][ T2219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.013766][ T2219]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.013900][ T2219]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   82.014032][ T2219]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   82.014164][ T2219]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   82.014302][ T2219]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   82.014467][ T2219] RIP: 0033:0x7f8779f6008e
[   82.014609][ T2219] 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
[   82.015082][ T2219] RSP: 002b:00007ffd5a4459a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   82.015285][ T2219] RAX: ffffffffffffffda RBX: 00007ffd5a446138 RCX: 00007f8779f6008e
[   82.015482][ T2219] RDX: 0000000000000000 RSI: 00007ffd5a445a50 RDI: 0000000000000005
[   82.015687][ T2219] RBP: 00007ffd5a4459b0 R08: 0000000000000000 R09: 0000000000000000
[   82.015891][ T2219] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87c
[   82.016089][ T2219] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5a446110
| [   82.124838][ T2223] ------------[ cut here ]------------
| [   82.124985][ T2223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2223
| [   82.125249][ T2223] Modules linked in: xfrm_user nf_tables
| [   82.125645][ T2223] Tainted: [W]=WARN
[   82.126424][ T2223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   82.126596][ T2223] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   82.126830][ T2223] 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
[   82.127299][ T2223] RSP: 0018:ffa0000002d1f020 EFLAGS: 00010286
[   82.127461][ T2223] RAX: 00000000ffffffa6 RBX: ff11000009a631c0 RCX: 1ff40000005a3dca
[   82.127663][ T2223] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a6327c
[   82.127858][ T2223] RBP: ff110000087f1000 R08: 1fe220000134c651 R09: ff1100000fb50b58
[   82.128050][ T2223] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   82.128249][ T2223] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   82.128446][ T2223] FS:  00007fce9726e840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   82.128681][ T2223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   82.128843][ T2223] CR2: 000000003e8d5988 CR3: 000000000e98e004 CR4: 0000000000771ef0
[   82.129037][ T2223] PKRU: 55555554
[   82.129132][ T2223] Call Trace:
[   82.129230][ T2223]  <TASK>
[   82.129303][ T2223]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   82.129433][ T2223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   82.129535][ T2223]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   82.129667][ T2223]  __dev_notify_flags (net/core/dev.c:9787)
[   82.129797][ T2223]  ? netif_change_name (net/core/dev.c:1495)
[   82.129929][ T2223]  ? __dev_change_flags (net/core/dev.c:9752)
[   82.130062][ T2223]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   82.130190][ T2223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.130326][ T2223]  ? 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))
[   82.130457][ T2223]  netif_change_flags (net/core/dev.c:9820)
[   82.130590][ T2223]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   82.130725][ T2223]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   82.130859][ T2223]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   82.130988][ T2223]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   82.131149][ T2223]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   82.131287][ T2223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   82.131414][ T2223]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   82.131544][ T2223]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   82.131680][ T2223]  ? __kernel_text_address (kernel/extable.c:79)
[   82.131809][ T2223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.131939][ T2223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.132067][ T2223]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   82.132197][ T2223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.132332][ T2223]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   82.132464][ T2223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.132596][ T2223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.132730][ T2223]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   82.132862][ T2223]  ? __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)
[   82.132992][ T2223]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   82.133124][ T2223]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   82.133268][ T2223]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   82.133403][ T2223]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   82.133538][ T2223]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   82.133673][ T2223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.133803][ T2223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.133931][ T2223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.134059][ T2223]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   82.134188][ T2223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.134322][ T2223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.134449][ T2223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.134582][ T2223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.134719][ T2223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.134848][ T2223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.134977][ T2223]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   82.135106][ T2223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   82.135233][ T2223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.135365][ T2223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.135495][ T2223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.135626][ T2223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.135760][ T2223]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   82.135889][ T2223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.136019][ T2223]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   82.136151][ T2223]  ? 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))
[   82.136285][ T2223]  ? 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))
[   82.136416][ T2223]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   82.136549][ T2223]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   82.136684][ T2223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.136814][ T2223]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   82.136945][ T2223]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   82.137075][ T2223]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   82.137208][ T2223]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   82.137341][ T2223]  ? copy_msghdr_from_user (net/socket.c:2635)
[   82.137469][ T2223]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   82.137632][ T2223]  ? move_addr_to_kernel (net/socket.c:258)
[   82.137769][ T2223]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   82.137897][ T2223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   82.138028][ T2223]  ___sys_sendmsg (net/socket.c:2752)
[   82.138157][ T2223]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   82.138323][ T2223]  ? copy_msghdr_from_user (net/socket.c:2603)
[   82.138463][ T2223]  __sys_sendmsg (net/socket.c:2784)
[   82.138596][ T2223]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   82.138728][ T2223]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   82.138892][ T2223]  ? 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)
[   82.139021][ T2223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.139154][ T2223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   82.139288][ T2223]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   82.139416][ T2223]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   82.139549][ T2223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   82.139715][ T2223] RIP: 0033:0x7fce974a808e
[   82.139851][ T2223] 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
[   82.140318][ T2223] RSP: 002b:00007fff1b35e000 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   82.140514][ T2223] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fce974a808e
[   82.140717][ T2223] RDX: 0000000000000000 RSI: 00007fff1b35e0b0 RDI: 0000000000000005
[   82.140910][ T2223] RBP: 00007fff1b35e010 R08: 0000000000000000 R09: 0000000000000000
[   82.141103][ T2223] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87c
[   82.141301][ T2223] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1b35e770
| [   82.249506][ T2227] ------------[ cut here ]------------
| [   82.249665][ T2227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2227
| [   82.249921][ T2227] Modules linked in: xfrm_user nf_tables
| [   82.250325][ T2227] Tainted: [W]=WARN
[   82.250422][ T2227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   82.250594][ T2227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   82.250765][ T2227] 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
[   82.251222][ T2227] RSP: 0018:ffa0000002d1f020 EFLAGS: 00010286
[   82.251391][ T2227] RAX: 00000000ffffffa6 RBX: ff11000014d4f000 RCX: 1ff40000005a3dca
[   82.251589][ T2227] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d4f0bc
[   82.251788][ T2227] RBP: ff11000013a64000 R08: 1fe22000029a9e19 R09: ff1100000eb8ae58
[   82.251982][ T2227] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   82.252173][ T2227] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   82.252371][ T2227] FS:  00007fcce06e2840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   82.252599][ T2227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   82.252766][ T2227] CR2: 00007fcce09b21a0 CR3: 0000000012ab0005 CR4: 0000000000771ef0
[   82.252958][ T2227] PKRU: 55555554
[   82.253056][ T2227] Call Trace:
[   82.253152][ T2227]  <TASK>
[   82.253219][ T2227]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   82.253354][ T2227]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   82.253452][ T2227]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   82.253586][ T2227]  __dev_notify_flags (net/core/dev.c:9787)
[   82.253784][ T2227]  ? netif_change_name (net/core/dev.c:1495)
[   82.253915][ T2227]  ? __dev_change_flags (net/core/dev.c:9752)
[   82.254044][ T2227]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   82.254172][ T2227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.254308][ T2227]  ? 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))
[   82.254439][ T2227]  netif_change_flags (net/core/dev.c:9820)
[   82.254572][ T2227]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   82.254760][ T2227]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   82.254946][ T2227]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   82.255076][ T2227]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   82.255236][ T2227]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   82.255371][ T2227]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   82.255500][ T2227]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   82.255633][ T2227]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   82.255817][ T2227]  ? __kernel_text_address (kernel/extable.c:79)
[   82.255947][ T2227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.256078][ T2227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.256205][ T2227]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   82.256341][ T2227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.256468][ T2227]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   82.256600][ T2227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.256782][ T2227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.256911][ T2227]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   82.257042][ T2227]  ? __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)
[   82.257171][ T2227]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   82.257306][ T2227]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   82.257435][ T2227]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   82.257569][ T2227]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   82.257755][ T2227]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   82.257886][ T2227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.258014][ T2227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.258143][ T2227]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.258277][ T2227]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   82.258405][ T2227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.258539][ T2227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.258724][ T2227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.258854][ T2227]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.258984][ T2227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.259115][ T2227]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.259250][ T2227]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   82.259380][ T2227]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   82.259512][ T2227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.259642][ T2227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.259829][ T2227]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.259960][ T2227]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.260091][ T2227]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   82.260219][ T2227]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.260355][ T2227]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   82.260487][ T2227]  ? 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))
[   82.260620][ T2227]  ? 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))
[   82.260808][ T2227]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   82.260939][ T2227]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   82.261069][ T2227]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.261199][ T2227]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   82.261334][ T2227]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   82.261464][ T2227]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   82.261598][ T2227]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   82.261784][ T2227]  ? copy_msghdr_from_user (net/socket.c:2635)
[   82.261914][ T2227]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   82.262075][ T2227]  ? move_addr_to_kernel (net/socket.c:258)
[   82.262206][ T2227]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   82.262340][ T2227]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   82.262470][ T2227]  ___sys_sendmsg (net/socket.c:2752)
[   82.262602][ T2227]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   82.262840][ T2227]  ? copy_msghdr_from_user (net/socket.c:2603)
[   82.262981][ T2227]  __sys_sendmsg (net/socket.c:2784)
[   82.263112][ T2227]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   82.263246][ T2227]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   82.263410][ T2227]  ? 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)
[   82.263542][ T2227]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.263703][ T2227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   82.263831][ T2227]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   82.263959][ T2227]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   82.264088][ T2227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   82.264253][ T2227] RIP: 0033:0x7fcce091c08e
[   82.264388][ T2227] 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
[   82.264857][ T2227] RSP: 002b:00007fffc407aac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   82.265052][ T2227] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcce091c08e
[   82.265247][ T2227] RDX: 0000000000000000 RSI: 00007fffc407ab70 RDI: 0000000000000005
[   82.265439][ T2227] RBP: 00007fffc407aad0 R08: 0000000000000000 R09: 0000000000000000
[   82.265634][ T2227] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87c
[   82.265832][ T2227] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc407b230
| [   82.267992][   T64] ------------[ cut here ]------------
| [   82.268154][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/64
| [   82.268440][   T64] Modules linked in: xfrm_user nf_tables
| [   82.268937][   T64] Tainted: [W]=WARN
[   82.269073][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   82.269274][   T64] Workqueue: events_unbound linkwatch_event
[   82.269476][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   82.269712][   T64] 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
[   82.270174][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   82.270382][   T64] RAX: 00000000ffffffa6 RBX: ff11000014d4eac0 RCX: 1ff400000008af02
[   82.270614][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d4eb7c
[   82.270849][   T64] RBP: ff11000013a64000 R08: 1fe22000029a9d71 R09: ff11000006100ba8
[   82.271076][   T64] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   82.271307][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   82.271531][   T64] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   82.271798][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   82.271991][   T64] CR2: 000055d3d5b6bd5c CR3: 0000000009a99002 CR4: 0000000000771ef0
[   82.272212][   T64] PKRU: 55555554
[   82.272357][   T64] Call Trace:
[   82.272491][   T64]  <TASK>
[   82.272605][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   82.272784][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   82.272950][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   82.273088][   T64]  netif_state_change (net/core/dev.c:1605)
[   82.273261][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   82.273455][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   82.273630][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   82.273811][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   82.273978][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   82.274141][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   82.274314][   T64]  process_one_work (kernel/workqueue.c:3314)
[   82.274484][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   82.274667][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.274840][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   82.275007][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   82.275171][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   82.275346][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   82.275512][   T64]  kthread (kernel/kthread.c:436)
[   82.275665][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   82.275858][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   82.276024][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   82.276193][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   82.276394][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   82.276567][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   82.276747][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   82.278998][   T64] ------------[ cut here ]------------
| [   82.279157][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/64
| [   82.279441][   T64] Modules linked in: xfrm_user nf_tables
| [   82.279950][   T64] Tainted: [W]=WARN
[   82.280085][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   82.280288][   T64] Workqueue: events_unbound linkwatch_event
[   82.280497][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   82.280736][   T64] 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
[   82.281203][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   82.281407][   T64] RAX: 00000000ffffffa6 RBX: ff1100000c5418c0 RCX: 1ff400000008af02
[   82.281640][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c54197c
[   82.281876][   T64] RBP: ff110000087f1000 R08: 1fe22000018a8331 R09: ff11000006100ba8
[   82.282101][   T64] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   82.282407][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   82.282642][   T64] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   82.282983][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   82.283181][   T64] CR2: 000055d3d5b6bd5c CR3: 000000004994d006 CR4: 0000000000771ef0
[   82.283413][   T64] PKRU: 55555554
[   82.283554][   T64] Call Trace:
[   82.283775][   T64]  <TASK>
[   82.283884][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   82.284051][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   82.284216][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   82.284366][   T64]  netif_state_change (net/core/dev.c:1605)
[   82.284620][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   82.284826][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   82.284995][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   82.285160][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   82.285338][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   82.285511][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   82.285699][   T64]  process_one_work (kernel/workqueue.c:3314)
[   82.285870][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   82.286036][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.286205][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   82.286379][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   82.286551][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   82.286733][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   82.286904][   T64]  kthread (kernel/kthread.c:436)
[   82.287115][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   82.287316][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   82.287484][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   82.287669][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   82.287938][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   82.288178][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   82.288359][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   82.456329][ T2235] ------------[ cut here ]------------
| [   82.456524][ T2235] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2235
| [   82.456854][ T2235] Modules linked in: xfrm_user nf_tables
| [   82.457368][ T2235] Tainted: [W]=WARN
[   82.457519][ T2235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   82.457748][ T2235] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   82.457969][ T2235] 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
[   82.458497][ T2235] RSP: 0018:ffa0000002f6ee30 EFLAGS: 00010286
[   82.458735][ T2235] RAX: 00000000ffffffa6 RBX: ff1100000df55540 RCX: 1ff40000005edd8c
[   82.458980][ T2235] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df555fc
[   82.459225][ T2235] RBP: ff110000092bc000 R08: 1fe2200001beaac1 R09: ff1100000539ae80
[   82.459478][ T2235] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   82.459739][ T2235] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008ee0080
[   82.459986][ T2235] FS:  00007efd8e189840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   82.460274][ T2235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   82.460489][ T2235] CR2: 00000000004eb188 CR3: 000000000f293001 CR4: 0000000000771ef0
[   82.460756][ T2235] PKRU: 55555554
[   82.460903][ T2235] Call Trace:
[   82.461050][ T2235]  <TASK>
[   82.461166][ T2235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.461356][ T2235]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   82.461545][ T2235]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   82.461706][ T2235]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   82.461888][ T2235]  __dev_notify_flags (net/core/dev.c:9787)
[   82.462070][ T2235]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   82.462257][ T2235]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   82.462440][ T2235]  ? netif_change_name (net/core/dev.c:1495)
[   82.462627][ T2235]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   82.462822][ T2235]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   82.463001][ T2235]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   82.463183][ T2235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.463374][ T2235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.463577][ T2235]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   82.463771][ T2235]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   82.463952][ T2235]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   82.464132][ T2235]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   82.464324][ T2235]  veth_newlink (drivers/net/veth.c:1871)
[   82.464509][ T2235]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   82.464703][ T2235]  ? kasan_save_stack (mm/kasan/common.c:57)
[   82.464887][ T2235]  ? kasan_save_track (mm/kasan/common.c:78)
[   82.465069][ T2235]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   82.465271][ T2235]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   82.465454][ T2235]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   82.465647][ T2235]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   82.465845][ T2235]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   82.466027][ T2235]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   82.466210][ T2235]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   82.466401][ T2235]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   82.466591][ T2235]  ? __dev_get_by_name (net/core/dev.c:883)
[   82.466786][ T2235]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   82.466972][ T2235]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   82.467159][ T2235]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   82.467357][ T2235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.467547][ T2235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.467744][ T2235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.467926][ T2235]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   82.468106][ T2235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.468299][ T2235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.468485][ T2235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.468688][ T2235]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   82.468870][ T2235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   82.469050][ T2235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.469230][ T2235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.469420][ T2235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.469608][ T2235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.469804][ T2235]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   82.469985][ T2235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.470168][ T2235]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   82.470360][ T2235]  ? 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))
[   82.470547][ T2235]  ? 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))
[   82.470742][ T2235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   82.470926][ T2235]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   82.471132][ T2235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.471323][ T2235]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   82.471508][ T2235]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   82.471706][ T2235]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   82.471890][ T2235]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   82.472076][ T2235]  ? copy_msghdr_from_user (net/socket.c:2635)
[   82.472264][ T2235]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   82.472476][ T2235]  ? move_addr_to_kernel (net/socket.c:258)
[   82.472674][ T2235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.472857][ T2235]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   82.473038][ T2235]  ___sys_sendmsg (net/socket.c:2752)
[   82.473218][ T2235]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   82.473409][ T2235]  ? copy_msghdr_from_user (net/socket.c:2603)
[   82.473601][ T2235]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   82.473798][ T2235]  ? 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))
[   82.473981][ T2235]  __sys_sendmsg (net/socket.c:2784)
[   82.474162][ T2235]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   82.474355][ T2235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.474544][ T2235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.474738][ T2235]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   82.474918][ T2235]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   82.475098][ T2235]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   82.475286][ T2235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   82.475499][ T2235] RIP: 0033:0x7efd8e3c308e
[   82.475704][ T2235] 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
[   82.476220][ T2235] RSP: 002b:00007ffd0bb5e580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   82.476475][ T2235] RAX: ffffffffffffffda RBX: 00007ffd0bb5ed18 RCX: 00007efd8e3c308e
[   82.476735][ T2235] RDX: 0000000000000000 RSI: 00007ffd0bb5e630 RDI: 0000000000000005
[   82.476981][ T2235] RBP: 00007ffd0bb5e590 R08: 0000000000000000 R09: 0000000000000000
[   82.477225][ T2235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87c
[   82.477477][ T2235] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd0bb5ecf0
| [   82.486306][ T2235] ------------[ cut here ]------------
| [   82.486484][ T2235] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2235
| [   82.487361][ T2235] Modules linked in: xfrm_user nf_tables
| [   82.488365][ T2235] Tainted: [W]=WARN
[   82.488572][ T2235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   82.488853][ T2235] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   82.489128][ T2235] 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
[   82.489727][ T2235] RSP: 0018:ffa0000002f6f1b0 EFLAGS: 00010286
[   82.489994][ T2235] RAX: 00000000ffffffa6 RBX: ff1100000c570200 RCX: 1ff40000005eddfc
[   82.490297][ T2235] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5702bc
[   82.490604][ T2235] RBP: ff1100000e809000 R08: 1fe22000018ae059 R09: ff1100000539ae80
[   82.490918][ T2235] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   82.491219][ T2235] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   82.491537][ T2235] FS:  00007efd8e189840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   82.491888][ T2235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   82.492155][ T2235] CR2: 00000000004eb188 CR3: 000000000f293001 CR4: 0000000000771ef0
[   82.492466][ T2235] PKRU: 55555554
[   82.492689][ T2235] Call Trace:
[   82.492887][ T2235]  <TASK>
[   82.493055][ T2235]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   82.493299][ T2235]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   82.493505][ T2235]  __dev_notify_flags (net/core/dev.c:9787)
[   82.493762][ T2235]  ? netif_change_name (net/core/dev.c:1495)
[   82.493998][ T2235]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   82.494230][ T2235]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   82.494474][ T2235]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   82.494725][ T2235]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   82.494961][ T2235]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   82.495193][ T2235]  ? __dev_get_by_name (net/core/dev.c:883)
[   82.495436][ T2235]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   82.495697][ T2235]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   82.495932][ T2235]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   82.496165][ T2235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.496409][ T2235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.496713][ T2235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.496949][ T2235]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   82.497181][ T2235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.497424][ T2235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.497685][ T2235]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.497918][ T2235]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   82.498151][ T2235]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   82.498394][ T2235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.498641][ T2235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.498880][ T2235]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.499056][ T2235]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.499239][ T2235]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   82.499428][ T2235]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.499620][ T2235]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   82.499814][ T2235]  ? 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))
[   82.499993][ T2235]  ? 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))
[   82.500174][ T2235]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   82.500364][ T2235]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   82.500550][ T2235]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.500746][ T2235]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   82.500926][ T2235]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   82.501105][ T2235]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   82.501291][ T2235]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   82.501471][ T2235]  ? copy_msghdr_from_user (net/socket.c:2635)
[   82.501668][ T2235]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   82.501879][ T2235]  ? move_addr_to_kernel (net/socket.c:258)
[   82.502061][ T2235]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.502248][ T2235]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   82.502428][ T2235]  ___sys_sendmsg (net/socket.c:2752)
[   82.502618][ T2235]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   82.502809][ T2235]  ? copy_msghdr_from_user (net/socket.c:2603)
[   82.502994][ T2235]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   82.503177][ T2235]  ? 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))
[   82.503365][ T2235]  __sys_sendmsg (net/socket.c:2784)
[   82.503554][ T2235]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   82.503751][ T2235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.503931][ T2235]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.504113][ T2235]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   82.504301][ T2235]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   82.504482][ T2235]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   82.504680][ T2235]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   82.504889][ T2235] RIP: 0033:0x7efd8e3c308e
[   82.505073][ T2235] 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
[   82.505602][ T2235] RSP: 002b:00007ffd0bb5e580 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   82.505860][ T2235] RAX: ffffffffffffffda RBX: 00007ffd0bb5ed18 RCX: 00007efd8e3c308e
[   82.506104][ T2235] RDX: 0000000000000000 RSI: 00007ffd0bb5e630 RDI: 0000000000000005
[   82.506352][ T2235] RBP: 00007ffd0bb5e590 R08: 0000000000000000 R09: 0000000000000000
[   82.506603][ T2235] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87c
[   82.506858][ T2235] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd0bb5ecf0
| [   82.556066][   T36] ------------[ cut here ]------------
| [   82.556206][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   82.556455][   T36] Modules linked in: xfrm_user nf_tables
| [   82.556875][   T36] Tainted: [W]=WARN
[   82.556965][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   82.557115][   T36] Workqueue: events_unbound linkwatch_event
[   82.557274][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   82.557429][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   82.557866][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   82.558017][   T36] RAX: 00000000ffffffa6 RBX: ff1100000c570c80 RCX: 1ff4000000051f02
[   82.558195][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c570d3c
[   82.558378][   T36] RBP: ff110000124a9000 R08: 1fe22000018ae1a9 R09: ff11000001d751a8
[   82.558558][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   82.558755][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   82.558934][   T36] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   82.559141][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   82.559300][   T36] CR2: 00007ffe3bb9dcf8 CR3: 000000000e4bb004 CR4: 0000000000771ef0
[   82.559488][   T36] PKRU: 55555554
[   82.559583][   T36] Call Trace:
[   82.559680][   T36]  <TASK>
[   82.559741][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   82.559861][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   82.559989][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   82.560080][   T36]  netif_state_change (net/core/dev.c:1605)
[   82.560201][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   82.560357][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   82.560476][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   82.560600][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   82.560726][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   82.560849][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   82.560971][   T36]  process_one_work (kernel/workqueue.c:3314)
[   82.561096][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   82.561217][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.561355][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   82.561478][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   82.561600][   T36]  kthread (kernel/kthread.c:436)
[   82.561695][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   82.561845][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   82.561964][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   82.562085][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   82.562233][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   82.562358][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   82.562483][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   82.626037][ T2239] ------------[ cut here ]------------
| [   82.626212][ T2239] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2239
| [   82.626563][ T2239] Modules linked in: xfrm_user nf_tables
| [   82.627066][ T2239] Tainted: [W]=WARN
[   82.627219][ T2239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   82.627434][ T2239] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   82.627677][ T2239] 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
[   82.628179][ T2239] RSP: 0018:ffa0000002f7f020 EFLAGS: 00010286
[   82.628396][ T2239] RAX: 00000000ffffffa6 RBX: ff11000012120200 RCX: 1ff40000005efdca
[   82.628646][ T2239] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121202bc
[   82.628901][ T2239] RBP: ff1100000e809000 R08: 1fe2200002424059 R09: ff1100000de55158
[   82.629139][ T2239] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   82.629383][ T2239] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   82.629630][ T2239] FS:  00007f8869844840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   82.629981][ T2239] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   82.630292][ T2239] CR2: 000000003b183988 CR3: 00000000121e5006 CR4: 0000000000771ef0
[   82.630612][ T2239] PKRU: 55555554
[   82.630853][ T2239] Call Trace:
[   82.631057][ T2239]  <TASK>
[   82.631168][ T2239]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   82.631354][ T2239]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   82.631503][ T2239]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   82.631698][ T2239]  __dev_notify_flags (net/core/dev.c:9787)
[   82.631877][ T2239]  ? netif_change_name (net/core/dev.c:1495)
[   82.632053][ T2239]  ? __dev_change_flags (net/core/dev.c:9752)
[   82.632229][ T2239]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   82.632413][ T2239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.632599][ T2239]  ? 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))
[   82.632791][ T2239]  netif_change_flags (net/core/dev.c:9820)
[   82.632969][ T2239]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   82.633146][ T2239]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   82.633332][ T2239]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   82.633517][ T2239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   82.633740][ T2239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   82.633916][ T2239]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   82.634093][ T2239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   82.634277][ T2239]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   82.634454][ T2239]  ? __kernel_text_address (kernel/extable.c:79)
[   82.634638][ T2239]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.634831][ T2239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.635011][ T2239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   82.635188][ T2239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.635372][ T2239]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   82.635555][ T2239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.635746][ T2239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.635924][ T2239]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   82.636102][ T2239]  ? __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)
[   82.636284][ T2239]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   82.636463][ T2239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   82.636665][ T2239]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   82.636844][ T2239]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   82.637023][ T2239]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   82.637201][ T2239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.637383][ T2239]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.637568][ T2239]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.637757][ T2239]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   82.637933][ T2239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.638111][ T2239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.638288][ T2239]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.638466][ T2239]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.638664][ T2239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.638842][ T2239]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.639018][ T2239]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   82.639195][ T2239]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   82.639381][ T2239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.639564][ T2239]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.639755][ T2239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.639930][ T2239]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.640108][ T2239]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   82.640289][ T2239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.640467][ T2239]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   82.640668][ T2239]  ? 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))
[   82.640842][ T2239]  ? 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))
[   82.641022][ T2239]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   82.641200][ T2239]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   82.641384][ T2239]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.641570][ T2239]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   82.641762][ T2239]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   82.641939][ T2239]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   82.642119][ T2239]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   82.642303][ T2239]  ? copy_msghdr_from_user (net/socket.c:2635)
[   82.642479][ T2239]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   82.642700][ T2239]  ? move_addr_to_kernel (net/socket.c:258)
[   82.642878][ T2239]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   82.643056][ T2239]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   82.643235][ T2239]  ___sys_sendmsg (net/socket.c:2752)
[   82.643418][ T2239]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   82.643635][ T2239]  ? copy_msghdr_from_user (net/socket.c:2603)
[   82.643835][ T2239]  __sys_sendmsg (net/socket.c:2784)
[   82.644015][ T2239]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   82.644191][ T2239]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   82.644409][ T2239]  ? 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)
[   82.644594][ T2239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.644787][ T2239]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   82.644963][ T2239]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   82.645138][ T2239]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   82.645322][ T2239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   82.645534][ T2239] RIP: 0033:0x7f8869a7e08e
[   82.645731][ T2239] 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
[   82.646230][ T2239] RSP: 002b:00007ffd93e636f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   82.646478][ T2239] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8869a7e08e
[   82.646732][ T2239] RDX: 0000000000000000 RSI: 00007ffd93e637a0 RDI: 0000000000000005
[   82.646971][ T2239] RBP: 00007ffd93e63700 R08: 0000000000000000 R09: 0000000000000000
[   82.647206][ T2239] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87c
[   82.647452][ T2239] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd93e63e60
| [   82.754120][ T2243] ------------[ cut here ]------------
| [   82.754274][ T2243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2243
| [   82.754539][ T2243] Modules linked in: xfrm_user nf_tables
| [   82.754951][ T2243] Tainted: [W]=WARN
[   82.755050][ T2243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   82.755215][ T2243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   82.755394][ T2243] 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
[   82.755862][ T2243] RSP: 0018:ffa0000002f6f020 EFLAGS: 00010286
[   82.756026][ T2243] RAX: 00000000ffffffa6 RBX: ff1100000fecde00 RCX: 1ff40000005eddca
[   82.756222][ T2243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fecdebc
[   82.756421][ T2243] RBP: ff110000092bc000 R08: 1fe2200001fd9bd9 R09: ff11000013a9d158
[   82.756618][ T2243] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   82.756815][ T2243] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   82.757012][ T2243] FS:  00007f41e524e840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   82.757239][ T2243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   82.757407][ T2243] CR2: 00000000394c2988 CR3: 000000000f291004 CR4: 0000000000771ef0
[   82.757606][ T2243] PKRU: 55555554
[   82.757709][ T2243] Call Trace:
[   82.757805][ T2243]  <TASK>
[   82.757874][ T2243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   82.758006][ T2243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   82.758105][ T2243]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   82.758234][ T2243]  __dev_notify_flags (net/core/dev.c:9787)
[   82.758372][ T2243]  ? netif_change_name (net/core/dev.c:1495)
[   82.758505][ T2243]  ? __dev_change_flags (net/core/dev.c:9752)
[   82.758639][ T2243]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   82.758773][ T2243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.758903][ T2243]  ? 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))
[   82.759034][ T2243]  netif_change_flags (net/core/dev.c:9820)
[   82.759164][ T2243]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   82.759300][ T2243]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   82.759431][ T2243]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   82.759565][ T2243]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   82.759730][ T2243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   82.759859][ T2243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   82.759989][ T2243]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   82.760118][ T2243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   82.760253][ T2243]  ? __kernel_text_address (kernel/extable.c:79)
[   82.760384][ T2243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.760517][ T2243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.760650][ T2243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   82.760785][ T2243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.760915][ T2243]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   82.761043][ T2243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.761173][ T2243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.761310][ T2243]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   82.761442][ T2243]  ? __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)
[   82.761575][ T2243]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   82.761780][ T2243]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   82.761988][ T2243]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   82.762122][ T2243]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   82.762260][ T2243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   82.762392][ T2243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.762526][ T2243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.762744][ T2243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.762875][ T2243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   82.763004][ T2243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.763137][ T2243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.763271][ T2243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.763400][ T2243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.763534][ T2243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.763752][ T2243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.763886][ T2243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   82.764019][ T2243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   82.764149][ T2243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.764284][ T2243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.764419][ T2243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.764553][ T2243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.764762][ T2243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   82.764892][ T2243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.765023][ T2243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   82.765159][ T2243]  ? 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))
[   82.765300][ T2243]  ? 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))
[   82.765433][ T2243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   82.765569][ T2243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   82.765789][ T2243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.765921][ T2243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   82.766054][ T2243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   82.766185][ T2243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   82.766320][ T2243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   82.766451][ T2243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   82.766585][ T2243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   82.766832][ T2243]  ? move_addr_to_kernel (net/socket.c:258)
[   82.766966][ T2243]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   82.767097][ T2243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   82.767230][ T2243]  ___sys_sendmsg (net/socket.c:2752)
[   82.767366][ T2243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   82.767532][ T2243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   82.767709][ T2243]  __sys_sendmsg (net/socket.c:2784)
[   82.767844][ T2243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   82.767974][ T2243]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   82.768139][ T2243]  ? 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)
[   82.768275][ T2243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.768406][ T2243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   82.768540][ T2243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   82.768675][ T2243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   82.768805][ T2243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   82.768968][ T2243] RIP: 0033:0x7f41e548808e
[   82.769105][ T2243] 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
[   82.769579][ T2243] RSP: 002b:00007ffee2320ac0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   82.769784][ T2243] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f41e548808e
[   82.769979][ T2243] RDX: 0000000000000000 RSI: 00007ffee2320b70 RDI: 0000000000000005
[   82.770173][ T2243] RBP: 00007ffee2320ad0 R08: 0000000000000000 R09: 0000000000000000
[   82.770372][ T2243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87d
[   82.770573][ T2243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffee2321230
| [   82.772752][   T64] ------------[ cut here ]------------
| [   82.772880][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/64
| [   82.773117][   T64] Modules linked in: xfrm_user nf_tables
| [   82.773517][   T64] Tainted: [W]=WARN
[   82.773611][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   82.773772][   T64] Workqueue: events_unbound linkwatch_event
[   82.773925][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   82.774080][   T64] 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
[   82.774523][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   82.774693][   T64] RAX: 00000000ffffffa6 RBX: ff11000009a62740 RCX: 1ff400000008af02
[   82.774871][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a627fc
[   82.775048][   T64] RBP: ff110000092bc000 R08: 1fe220000134c501 R09: ff11000006100ba8
[   82.775223][   T64] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   82.775407][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   82.775589][   T64] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   82.775803][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   82.775953][   T64] CR2: 00007fb3704cd000 CR3: 000000004994d003 CR4: 0000000000771ef0
[   82.776131][   T64] PKRU: 55555554
[   82.776226][   T64] Call Trace:
[   82.776320][   T64]  <TASK>
[   82.776382][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   82.776502][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   82.776629][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   82.776724][   T64]  netif_state_change (net/core/dev.c:1605)
[   82.776845][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   82.776997][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   82.777118][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   82.777237][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   82.777362][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   82.777480][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   82.777602][   T64]  process_one_work (kernel/workqueue.c:3314)
[   82.777736][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   82.777855][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.777981][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   82.778101][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   82.778218][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   82.778342][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   82.778459][   T64]  kthread (kernel/kthread.c:436)
[   82.778553][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   82.778710][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   82.778828][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   82.778953][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   82.779100][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   82.779221][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   82.779342][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   82.781078][   T64] ------------[ cut here ]------------
| [   82.781215][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/64
| [   82.781457][   T64] Modules linked in: xfrm_user nf_tables
| [   82.781875][   T64] Tainted: [W]=WARN
[   82.781965][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   82.782112][   T64] Workqueue: events_unbound linkwatch_event
[   82.782269][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   82.782422][   T64] 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
[   82.782866][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   82.783016][   T64] RAX: 00000000ffffffa6 RBX: ff1100000fb77000 RCX: 1ff400000008af02
[   82.783194][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fb770bc
[   82.783375][   T64] RBP: ff1100000e809000 R08: 1fe2200001f6ee19 R09: ff11000006100ba8
[   82.783556][   T64] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   82.783744][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   82.783923][   T64] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   82.784130][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   82.784286][   T64] CR2: 00007fffd9f84fc8 CR3: 000000004994d003 CR4: 0000000000771ef0
[   82.784463][   T64] PKRU: 55555554
[   82.784556][   T64] Call Trace:
[   82.784643][   T64]  <TASK>
[   82.784712][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   82.784831][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   82.784950][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   82.785043][   T64]  netif_state_change (net/core/dev.c:1605)
[   82.785167][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   82.785321][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   82.785437][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   82.785560][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   82.785687][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   82.785805][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   82.785923][   T64]  process_one_work (kernel/workqueue.c:3314)
[   82.786046][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   82.786164][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.786290][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   82.786411][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   82.786538][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   82.786665][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   82.786784][   T64]  kthread (kernel/kthread.c:436)
[   82.786875][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   82.787027][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   82.787147][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   82.787272][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   82.787425][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   82.787545][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   82.787667][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   82.961071][ T2251] ------------[ cut here ]------------
| [   82.961231][ T2251] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/2251
| [   82.961513][ T2251] Modules linked in: xfrm_user nf_tables
| [   82.961940][ T2251] Tainted: [W]=WARN
[   82.962041][ T2251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   82.962211][ T2251] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   82.962391][ T2251] 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
[   82.962876][ T2251] RSP: 0018:ffa0000002fbee30 EFLAGS: 00010286
[   82.963046][ T2251] RAX: 00000000ffffffa6 RBX: ff1100000d438e40 RCX: 1ff40000005f7d8c
[   82.963252][ T2251] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d438efc
[   82.963451][ T2251] RBP: ff1100000f2b9000 R08: 1fe2200001a871e1 R09: ff11000012085180
[   82.963661][ T2251] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   82.963867][ T2251] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ce2d580
[   82.964070][ T2251] FS:  00007f7fa68f1840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   82.964313][ T2251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   82.964479][ T2251] CR2: 00000000004eb188 CR3: 0000000013381002 CR4: 0000000000771ef0
[   82.964771][ T2251] PKRU: 55555554
[   82.964872][ T2251] Call Trace:
[   82.964972][ T2251]  <TASK>
[   82.965041][ T2251]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   82.965178][ T2251]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   82.965287][ T2251]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   82.965454][ T2251]  __dev_notify_flags (net/core/dev.c:9787)
[   82.965592][ T2251]  ? netif_change_name (net/core/dev.c:1495)
[   82.965807][ T2251]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   82.965943][ T2251]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   82.966138][ T2251]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   82.966279][ T2251]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   82.966414][ T2251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.966554][ T2251]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   82.966766][ T2251]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   82.966902][ T2251]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   82.967036][ T2251]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   82.967171][ T2251]  veth_newlink (drivers/net/veth.c:1871)
[   82.967311][ T2251]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   82.967447][ T2251]  ? kasan_save_stack (mm/kasan/common.c:57)
[   82.967583][ T2251]  ? kasan_save_track (mm/kasan/common.c:78)
[   82.967722][ T2251]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   82.967870][ T2251]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   82.968003][ T2251]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   82.968138][ T2251]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   82.968277][ T2251]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   82.968410][ T2251]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   82.968551][ T2251]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   82.968692][ T2251]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   82.968826][ T2251]  ? __dev_get_by_name (net/core/dev.c:883)
[   82.968959][ T2251]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   82.969098][ T2251]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   82.969236][ T2251]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   82.969376][ T2251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.969513][ T2251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.969649][ T2251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.969788][ T2251]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   82.969921][ T2251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.970058][ T2251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.970192][ T2251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.970331][ T2251]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   82.970463][ T2251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   82.970602][ T2251]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.970740][ T2251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.970875][ T2251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.971007][ T2251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.971141][ T2251]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   82.971281][ T2251]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.971413][ T2251]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   82.971552][ T2251]  ? 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))
[   82.971691][ T2251]  ? 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))
[   82.971826][ T2251]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   82.971960][ T2251]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   82.972094][ T2251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.972227][ T2251]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   82.972367][ T2251]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   82.972504][ T2251]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   82.972640][ T2251]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   82.972779][ T2251]  ? copy_msghdr_from_user (net/socket.c:2635)
[   82.972913][ T2251]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   82.973078][ T2251]  ? move_addr_to_kernel (net/socket.c:258)
[   82.973213][ T2251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.973353][ T2251]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   82.973487][ T2251]  ___sys_sendmsg (net/socket.c:2752)
[   82.973624][ T2251]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   82.973763][ T2251]  ? copy_msghdr_from_user (net/socket.c:2603)
[   82.973901][ T2251]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   82.974039][ T2251]  ? 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))
[   82.974174][ T2251]  __sys_sendmsg (net/socket.c:2784)
[   82.974314][ T2251]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   82.974451][ T2251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.974589][ T2251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.974731][ T2251]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   82.974863][ T2251]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   82.974996][ T2251]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   82.975129][ T2251]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   82.975297][ T2251] RIP: 0033:0x7f7fa6b2b08e
[   82.975436][ T2251] 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
[   82.975918][ T2251] RSP: 002b:00007fffe61a2350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   82.976119][ T2251] RAX: ffffffffffffffda RBX: 00007fffe61a2ae8 RCX: 00007f7fa6b2b08e
[   82.976321][ T2251] RDX: 0000000000000000 RSI: 00007fffe61a2400 RDI: 0000000000000005
[   82.976518][ T2251] RBP: 00007fffe61a2360 R08: 0000000000000000 R09: 0000000000000000
[   82.976724][ T2251] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87d
[   82.976922][ T2251] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe61a2ac0
| [   82.984284][ T2251] ------------[ cut here ]------------
| [   82.984434][ T2251] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2251
| [   82.984710][ T2251] Modules linked in: xfrm_user nf_tables
| [   82.985114][ T2251] Tainted: [W]=WARN
[   82.985213][ T2251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   82.985384][ T2251] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   82.985559][ T2251] 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
[   82.986034][ T2251] RSP: 0018:ffa0000002fbf1b0 EFLAGS: 00010286
[   82.986198][ T2251] RAX: 00000000ffffffa6 RBX: ff1100000f1071c0 RCX: 1ff40000005f7dfc
[   82.986397][ T2251] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f10727c
[   82.986596][ T2251] RBP: ff11000012bd4000 R08: 1fe2200001e20e51 R09: ff11000012085180
[   82.986798][ T2251] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   82.986995][ T2251] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   82.987194][ T2251] FS:  00007f7fa68f1840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   82.987428][ T2251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   82.987597][ T2251] CR2: 000055d3d5b6bd5c CR3: 0000000013381002 CR4: 0000000000771ef0
[   82.987806][ T2251] PKRU: 55555554
[   82.987904][ T2251] Call Trace:
[   82.988004][ T2251]  <TASK>
[   82.988073][ T2251]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   82.988207][ T2251]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   82.988313][ T2251]  __dev_notify_flags (net/core/dev.c:9787)
[   82.988446][ T2251]  ? netif_change_name (net/core/dev.c:1495)
[   82.988585][ T2251]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   82.988723][ T2251]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   82.988856][ T2251]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   82.988988][ T2251]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   82.989123][ T2251]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   82.989259][ T2251]  ? __dev_get_by_name (net/core/dev.c:883)
[   82.989391][ T2251]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   82.989532][ T2251]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   82.989673][ T2251]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   82.989808][ T2251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.989939][ T2251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.990071][ T2251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.990202][ T2251]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   82.990337][ T2251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.990473][ T2251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.990611][ T2251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   82.990749][ T2251]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   82.990881][ T2251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   82.991012][ T2251]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.991143][ T2251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.991278][ T2251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   82.991410][ T2251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   82.991545][ T2251]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   82.991686][ T2251]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   82.991819][ T2251]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   82.991954][ T2251]  ? 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))
[   82.992085][ T2251]  ? 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))
[   82.992218][ T2251]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   82.992354][ T2251]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   82.992486][ T2251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   82.992623][ T2251]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   82.992763][ T2251]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   82.992895][ T2251]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   82.993028][ T2251]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   82.993159][ T2251]  ? copy_msghdr_from_user (net/socket.c:2635)
[   82.993296][ T2251]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   82.993460][ T2251]  ? move_addr_to_kernel (net/socket.c:258)
[   82.993595][ T2251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   82.993732][ T2251]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   82.993864][ T2251]  ___sys_sendmsg (net/socket.c:2752)
[   82.993994][ T2251]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   82.994126][ T2251]  ? copy_msghdr_from_user (net/socket.c:2603)
[   82.994265][ T2251]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   82.994402][ T2251]  ? 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))
[   82.994538][ T2251]  __sys_sendmsg (net/socket.c:2784)
[   82.994677][ T2251]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   82.994823][ T2251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.994955][ T2251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   82.995086][ T2251]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   82.995216][ T2251]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   82.995351][ T2251]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   82.995482][ T2251]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   82.995647][ T2251] RIP: 0033:0x7f7fa6b2b08e
[   82.995793][ T2251] 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
[   82.996261][ T2251] RSP: 002b:00007fffe61a2350 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   82.996459][ T2251] RAX: ffffffffffffffda RBX: 00007fffe61a2ae8 RCX: 00007f7fa6b2b08e
[   82.996665][ T2251] RDX: 0000000000000000 RSI: 00007fffe61a2400 RDI: 0000000000000005
[   82.996859][ T2251] RBP: 00007fffe61a2360 R08: 0000000000000000 R09: 0000000000000000
[   82.997054][ T2251] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87d
[   82.997252][ T2251] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe61a2ac0
| [   83.111592][ T2255] ------------[ cut here ]------------
| [   83.112429][ T2255] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2255
| [   83.112749][ T2255] Modules linked in: xfrm_user nf_tables
| [   83.113231][ T2255] Tainted: [W]=WARN
[   83.113382][ T2255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.113595][ T2255] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   83.113821][ T2255] 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
[   83.114327][ T2255] RSP: 0018:ffa0000002fbf020 EFLAGS: 00010286
[   83.114545][ T2255] RAX: 00000000ffffffa6 RBX: ff1100000e63c740 RCX: 1ff40000005f7dca
[   83.114796][ T2255] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e63c7fc
[   83.115031][ T2255] RBP: ff11000012bd4000 R08: 1fe2200001cc7901 R09: ff1100000fb05158
[   83.115275][ T2255] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   83.115515][ T2255] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   83.115768][ T2255] FS:  00007f91e6acf840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   83.116040][ T2255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   83.116255][ T2255] CR2: 000000000a9b6988 CR3: 000000000e964006 CR4: 0000000000771ef0
[   83.116494][ T2255] PKRU: 55555554
[   83.116644][ T2255] Call Trace:
[   83.116799][ T2255]  <TASK>
[   83.116912][ T2255]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   83.117092][ T2255]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   83.117238][ T2255]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   83.117420][ T2255]  __dev_notify_flags (net/core/dev.c:9787)
[   83.117607][ T2255]  ? netif_change_name (net/core/dev.c:1495)
[   83.117796][ T2255]  ? __dev_change_flags (net/core/dev.c:9752)
[   83.117971][ T2255]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   83.118145][ T2255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.118332][ T2255]  ? 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))
[   83.118515][ T2255]  netif_change_flags (net/core/dev.c:9820)
[   83.118704][ T2255]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   83.118880][ T2255]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   83.119059][ T2255]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   83.119235][ T2255]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   83.119452][ T2255]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   83.119638][ T2255]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   83.119825][ T2255]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   83.120000][ T2255]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   83.120176][ T2255]  ? __kernel_text_address (kernel/extable.c:79)
[   83.120357][ T2255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.120538][ T2255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.120729][ T2255]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   83.120906][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.121080][ T2255]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   83.121262][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.121437][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.121619][ T2255]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   83.121808][ T2255]  ? __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)
[   83.121983][ T2255]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   83.122162][ T2255]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   83.122346][ T2255]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   83.122528][ T2255]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   83.122720][ T2255]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   83.122897][ T2255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.123070][ T2255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.123253][ T2255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.123430][ T2255]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   83.123617][ T2255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.123806][ T2255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.123980][ T2255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.124155][ T2255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.124339][ T2255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.124518][ T2255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.124705][ T2255]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   83.124881][ T2255]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   83.125058][ T2255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.125233][ T2255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.125419][ T2255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.125602][ T2255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.125793][ T2255]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   83.125968][ T2255]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.126144][ T2255]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   83.126327][ T2255]  ? 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))
[   83.126506][ T2255]  ? 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))
[   83.126700][ T2255]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.126878][ T2255]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   83.127053][ T2255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.127229][ T2255]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   83.127414][ T2255]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   83.127596][ T2255]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   83.127789][ T2255]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   83.127964][ T2255]  ? copy_msghdr_from_user (net/socket.c:2635)
[   83.128138][ T2255]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   83.128350][ T2255]  ? move_addr_to_kernel (net/socket.c:258)
[   83.128529][ T2255]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   83.128717][ T2255]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   83.128893][ T2255]  ___sys_sendmsg (net/socket.c:2752)
[   83.129070][ T2255]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   83.129284][ T2255]  ? copy_msghdr_from_user (net/socket.c:2603)
[   83.129472][ T2255]  __sys_sendmsg (net/socket.c:2784)
[   83.129666][ T2255]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   83.129840][ T2255]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   83.130049][ T2255]  ? 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)
[   83.130225][ T2255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.130413][ T2255]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   83.130594][ T2255]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   83.130782][ T2255]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   83.130957][ T2255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   83.131161][ T2255] RIP: 0033:0x7f91e6d0908e
[   83.131349][ T2255] 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
[   83.131873][ T2255] RSP: 002b:00007ffed8b58bf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   83.132112][ T2255] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f91e6d0908e
[   83.132361][ T2255] RDX: 0000000000000000 RSI: 00007ffed8b58ca0 RDI: 0000000000000005
[   83.132606][ T2255] RBP: 00007ffed8b58c00 R08: 0000000000000000 R09: 0000000000000000
[   83.132858][ T2255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87d
[   83.133094][ T2255] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffed8b59360
| [   83.236141][ T2259] ------------[ cut here ]------------
| [   83.236294][ T2259] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2259
| [   83.236556][ T2259] Modules linked in: xfrm_user nf_tables
| [   83.236962][ T2259] Tainted: [W]=WARN
[   83.237060][ T2259] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.237219][ T2259] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   83.237396][ T2259] 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
[   83.237861][ T2259] RSP: 0018:ffa0000002f9f020 EFLAGS: 00010286
[   83.238024][ T2259] RAX: 00000000ffffffa6 RBX: ff110000123c2ac0 RCX: 1ff40000005f3dca
[   83.238216][ T2259] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000123c2b7c
[   83.238415][ T2259] RBP: ff1100000f2b9000 R08: 1fe2200002478571 R09: ff1100000e60d158
[   83.238610][ T2259] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   83.238806][ T2259] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   83.239001][ T2259] FS:  00007f2510f11840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   83.239231][ T2259] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   83.239399][ T2259] CR2: 00007f25111e11a0 CR3: 0000000009a9c001 CR4: 0000000000771ef0
[   83.239596][ T2259] PKRU: 55555554
[   83.239697][ T2259] Call Trace:
[   83.239793][ T2259]  <TASK>
[   83.239860][ T2259]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   83.239990][ T2259]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   83.240089][ T2259]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   83.240218][ T2259]  __dev_notify_flags (net/core/dev.c:9787)
[   83.240353][ T2259]  ? netif_change_name (net/core/dev.c:1495)
[   83.240482][ T2259]  ? __dev_change_flags (net/core/dev.c:9752)
[   83.240616][ T2259]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   83.240750][ T2259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.240879][ T2259]  ? 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))
[   83.241010][ T2259]  netif_change_flags (net/core/dev.c:9820)
[   83.241139][ T2259]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   83.241275][ T2259]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   83.241407][ T2259]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   83.241540][ T2259]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   83.241796][ T2259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   83.242001][ T2259]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   83.242130][ T2259]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   83.242262][ T2259]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   83.242391][ T2259]  ? __kernel_text_address (kernel/extable.c:79)
[   83.242522][ T2259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.242728][ T2259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.242858][ T2259]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   83.242988][ T2259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.243117][ T2259]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   83.243250][ T2259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.243379][ T2259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.243512][ T2259]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   83.243645][ T2259]  ? __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)
[   83.243872][ T2259]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   83.244004][ T2259]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   83.244134][ T2259]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   83.244272][ T2259]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   83.244405][ T2259]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   83.244538][ T2259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.244739][ T2259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.244867][ T2259]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.244994][ T2259]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   83.245123][ T2259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.245259][ T2259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.245387][ T2259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.245517][ T2259]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.245648][ T2259]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.245842][ T2259]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.245970][ T2259]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   83.246101][ T2259]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   83.246229][ T2259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.246362][ T2259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.246493][ T2259]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.246625][ T2259]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.246760][ T2259]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   83.246888][ T2259]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.247017][ T2259]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   83.247150][ T2259]  ? 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))
[   83.247282][ T2259]  ? 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))
[   83.247414][ T2259]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.247548][ T2259]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   83.247686][ T2259]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.247817][ T2259]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   83.247947][ T2259]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   83.248078][ T2259]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   83.248208][ T2259]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   83.248343][ T2259]  ? copy_msghdr_from_user (net/socket.c:2635)
[   83.248472][ T2259]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   83.248637][ T2259]  ? move_addr_to_kernel (net/socket.c:258)
[   83.248774][ T2259]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   83.248905][ T2259]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   83.249037][ T2259]  ___sys_sendmsg (net/socket.c:2752)
[   83.249165][ T2259]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   83.249331][ T2259]  ? copy_msghdr_from_user (net/socket.c:2603)
[   83.249472][ T2259]  __sys_sendmsg (net/socket.c:2784)
[   83.249608][ T2259]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   83.249742][ T2259]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   83.249907][ T2259]  ? 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)
[   83.250039][ T2259]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.250172][ T2259]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   83.250306][ T2259]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   83.250435][ T2259]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   83.250567][ T2259]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   83.250730][ T2259] RIP: 0033:0x7f251114b08e
[   83.250864][ T2259] 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
[   83.251327][ T2259] RSP: 002b:00007ffe7c820a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   83.251523][ T2259] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f251114b08e
[   83.251720][ T2259] RDX: 0000000000000000 RSI: 00007ffe7c820b00 RDI: 0000000000000005
[   83.251911][ T2259] RBP: 00007ffe7c820a60 R08: 0000000000000000 R09: 0000000000000000
[   83.252102][ T2259] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87d
[   83.252300][ T2259] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe7c8211c0
| [   83.262272][   T64] ------------[ cut here ]------------
| [   83.262410][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/64
| [   83.262649][   T64] Modules linked in: xfrm_user nf_tables
| [   83.263062][   T64] Tainted: [W]=WARN
[   83.263151][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.263306][   T64] Workqueue: events_unbound linkwatch_event
[   83.263460][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   83.263618][   T64] 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
[   83.264052][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   83.264201][   T64] RAX: 00000000ffffffa6 RBX: ff110000123c3700 RCX: 1ff400000008af02
[   83.264387][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000123c37bc
[   83.264571][   T64] RBP: ff1100000f2b9000 R08: 1fe22000024786f9 R09: ff11000006100ba8
[   83.264761][   T64] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   83.264942][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   83.265120][   T64] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   83.265333][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   83.265483][   T64] CR2: 000055d3d5b6bd5c CR3: 0000000009035005 CR4: 0000000000771ef0
[   83.265675][   T64] PKRU: 55555554
[   83.265765][   T64] Call Trace:
[   83.265854][   T64]  <TASK>
[   83.265916][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   83.266038][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   83.266163][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   83.266260][   T64]  netif_state_change (net/core/dev.c:1605)
[   83.266383][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   83.266538][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   83.266663][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   83.266786][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   83.266907][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   83.267024][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   83.267142][   T64]  process_one_work (kernel/workqueue.c:3314)
[   83.267271][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   83.267390][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.267519][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   83.267640][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   83.267764][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   83.267884][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   83.268006][   T64]  kthread (kernel/kthread.c:436)
[   83.268095][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   83.268247][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   83.268368][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   83.268488][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   83.268642][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   83.268768][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   83.268888][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   83.270690][   T64] ------------[ cut here ]------------
| [   83.270810][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/64
| [   83.271046][   T64] Modules linked in: xfrm_user nf_tables
| [   83.271442][   T64] Tainted: [W]=WARN
[   83.271535][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.271690][   T64] Workqueue: events_unbound linkwatch_event
[   83.271843][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   83.271998][   T64] 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
[   83.272443][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   83.272597][   T64] RAX: 00000000ffffffa6 RBX: ff1100000c541e00 RCX: 1ff400000008af02
[   83.272795][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c541ebc
[   83.272973][   T64] RBP: ff11000012bd4000 R08: 1fe22000018a83d9 R09: ff11000006100ba8
[   83.273148][   T64] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   83.273328][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   83.273509][   T64] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   83.273725][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   83.273874][   T64] CR2: 000055d3d5b6bd5c CR3: 000000004994d001 CR4: 0000000000771ef0
[   83.274051][   T64] PKRU: 55555554
[   83.274140][   T64] Call Trace:
[   83.274228][   T64]  <TASK>
[   83.274295][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   83.274414][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   83.274538][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   83.274628][   T64]  netif_state_change (net/core/dev.c:1605)
[   83.274754][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   83.274906][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   83.275024][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   83.275143][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   83.275272][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   83.275388][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   83.275511][   T64]  process_one_work (kernel/workqueue.c:3314)
[   83.275634][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   83.275759][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.275882][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   83.276002][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   83.276120][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   83.276241][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   83.276364][   T64]  kthread (kernel/kthread.c:436)
[   83.276453][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   83.276603][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   83.276726][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   83.276844][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   83.276992][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   83.277111][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   83.277231][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   83.451600][ T2267] ------------[ cut here ]------------
| [   83.452374][ T2267] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2267
| [   83.452725][ T2267] Modules linked in: xfrm_user nf_tables
| [   83.453135][ T2267] Tainted: [W]=WARN
[   83.453236][ T2267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.453409][ T2267] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   83.453588][ T2267] 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
[   83.454116][ T2267] RSP: 0018:ffa0000002faee30 EFLAGS: 00010286
[   83.454290][ T2267] RAX: 00000000ffffffa6 RBX: ff110000101b7c40 RCX: 1ff40000005f5d8c
[   83.454488][ T2267] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000101b7cfc
[   83.454748][ T2267] RBP: ff11000008f3c000 R08: 1fe2200002036fa1 R09: ff11000010218b80
[   83.454946][ T2267] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   83.455144][ T2267] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000124d1580
[   83.455352][ T2267] FS:  00007f38b850a840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   83.455592][ T2267] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   83.455828][ T2267] CR2: 00000000004eb188 CR3: 000000000fd0a006 CR4: 0000000000771ef0
[   83.456029][ T2267] PKRU: 55555554
[   83.456128][ T2267] Call Trace:
[   83.456228][ T2267]  <TASK>
[   83.456302][ T2267]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   83.456438][ T2267]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   83.456542][ T2267]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   83.456718][ T2267]  __dev_notify_flags (net/core/dev.c:9787)
[   83.456852][ T2267]  ? netif_change_name (net/core/dev.c:1495)
[   83.456985][ T2267]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   83.457117][ T2267]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   83.457253][ T2267]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   83.457386][ T2267]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   83.457525][ T2267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.457663][ T2267]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   83.457798][ T2267]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   83.457930][ T2267]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   83.458062][ T2267]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   83.458196][ T2267]  veth_newlink (drivers/net/veth.c:1871)
[   83.458336][ T2267]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   83.458468][ T2267]  ? kasan_save_stack (mm/kasan/common.c:57)
[   83.458606][ T2267]  ? kasan_save_track (mm/kasan/common.c:78)
[   83.458744][ T2267]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   83.458893][ T2267]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   83.459026][ T2267]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   83.459160][ T2267]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   83.459298][ T2267]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   83.459434][ T2267]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   83.459572][ T2267]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   83.459712][ T2267]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   83.459845][ T2267]  ? __dev_get_by_name (net/core/dev.c:883)
[   83.459977][ T2267]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   83.460115][ T2267]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   83.460256][ T2267]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   83.460394][ T2267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.460531][ T2267]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.460666][ T2267]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.460800][ T2267]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   83.460932][ T2267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.461071][ T2267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.461205][ T2267]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.461344][ T2267]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   83.461476][ T2267]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   83.461611][ T2267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.461749][ T2267]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.461884][ T2267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.462017][ T2267]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.462151][ T2267]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   83.462288][ T2267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.462421][ T2267]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   83.462562][ T2267]  ? 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))
[   83.462698][ T2267]  ? 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))
[   83.462832][ T2267]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.462965][ T2267]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   83.463097][ T2267]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.463231][ T2267]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   83.463369][ T2267]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   83.463507][ T2267]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   83.463642][ T2267]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   83.463779][ T2267]  ? copy_msghdr_from_user (net/socket.c:2635)
[   83.463913][ T2267]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   83.464077][ T2267]  ? move_addr_to_kernel (net/socket.c:258)
[   83.464210][ T2267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.464349][ T2267]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   83.464484][ T2267]  ___sys_sendmsg (net/socket.c:2752)
[   83.464622][ T2267]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   83.464760][ T2267]  ? copy_msghdr_from_user (net/socket.c:2603)
[   83.464900][ T2267]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   83.465037][ T2267]  ? 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))
[   83.465172][ T2267]  __sys_sendmsg (net/socket.c:2784)
[   83.465310][ T2267]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   83.465448][ T2267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.465583][ T2267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.465722][ T2267]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   83.465856][ T2267]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   83.465989][ T2267]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   83.466122][ T2267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   83.466293][ T2267] RIP: 0033:0x7f38b874408e
[   83.466433][ T2267] 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
[   83.466925][ T2267] RSP: 002b:00007ffcb4b8ab50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   83.467126][ T2267] RAX: ffffffffffffffda RBX: 00007ffcb4b8b2e8 RCX: 00007f38b874408e
[   83.467332][ T2267] RDX: 0000000000000000 RSI: 00007ffcb4b8ac00 RDI: 0000000000000005
[   83.467536][ T2267] RBP: 00007ffcb4b8ab60 R08: 0000000000000000 R09: 0000000000000000
[   83.467739][ T2267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87d
[   83.467939][ T2267] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb4b8b2c0
| [   83.475469][ T2267] ------------[ cut here ]------------
| [   83.475670][ T2267] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2267
| [   83.475976][ T2267] Modules linked in: xfrm_user nf_tables
| [   83.476480][ T2267] Tainted: [W]=WARN
[   83.476630][ T2267] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.476853][ T2267] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   83.477071][ T2267] 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
[   83.477599][ T2267] RSP: 0018:ffa0000002faf1b0 EFLAGS: 00010286
[   83.477825][ T2267] RAX: 00000000ffffffa6 RBX: ff1100000fc64ac0 RCX: 1ff40000005f5dfc
[   83.478068][ T2267] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc64b7c
[   83.478316][ T2267] RBP: ff11000012231000 R08: 1fe2200001f8c971 R09: ff11000010218b80
[   83.478570][ T2267] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   83.478825][ T2267] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   83.479067][ T2267] FS:  00007f38b850a840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   83.479353][ T2267] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   83.479577][ T2267] CR2: 00007ffe3bb9ddc8 CR3: 000000000fd0a003 CR4: 0000000000771ef0
[   83.479831][ T2267] PKRU: 55555554
[   83.479975][ T2267] Call Trace:
[   83.480121][ T2267]  <TASK>
[   83.480235][ T2267]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   83.480424][ T2267]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   83.480583][ T2267]  __dev_notify_flags (net/core/dev.c:9787)
[   83.480775][ T2267]  ? netif_change_name (net/core/dev.c:1495)
[   83.480958][ T2267]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   83.481137][ T2267]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   83.481325][ T2267]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   83.481508][ T2267]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   83.481706][ T2267]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   83.481884][ T2267]  ? __dev_get_by_name (net/core/dev.c:883)
[   83.482062][ T2267]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   83.482257][ T2267]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   83.482441][ T2267]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   83.482628][ T2267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.482818][ T2267]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.482997][ T2267]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.483175][ T2267]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   83.483355][ T2267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.483547][ T2267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.483737][ T2267]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.483915][ T2267]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   83.484094][ T2267]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   83.484279][ T2267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.484458][ T2267]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.484646][ T2267]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.484837][ T2267]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.485019][ T2267]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   83.485196][ T2267]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.485382][ T2267]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   83.485570][ T2267]  ? 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))
[   83.485761][ T2267]  ? 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))
[   83.485943][ T2267]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.486123][ T2267]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   83.486313][ T2267]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.486493][ T2267]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   83.486693][ T2267]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   83.486872][ T2267]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   83.487051][ T2267]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   83.487230][ T2267]  ? copy_msghdr_from_user (net/socket.c:2635)
[   83.487416][ T2267]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   83.487631][ T2267]  ? move_addr_to_kernel (net/socket.c:258)
[   83.487827][ T2267]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.488005][ T2267]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   83.488184][ T2267]  ___sys_sendmsg (net/socket.c:2752)
[   83.488369][ T2267]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   83.488554][ T2267]  ? copy_msghdr_from_user (net/socket.c:2603)
[   83.488750][ T2267]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   83.488934][ T2267]  ? 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))
[   83.489119][ T2267]  __sys_sendmsg (net/socket.c:2784)
[   83.489307][ T2267]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   83.489491][ T2267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.489689][ T2267]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.489868][ T2267]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   83.490046][ T2267]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   83.490223][ T2267]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   83.490409][ T2267]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   83.490628][ T2267] RIP: 0033:0x7f38b874408e
[   83.490823][ T2267] 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
[   83.491338][ T2267] RSP: 002b:00007ffcb4b8ab50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   83.491588][ T2267] RAX: ffffffffffffffda RBX: 00007ffcb4b8b2e8 RCX: 00007f38b874408e
[   83.491842][ T2267] RDX: 0000000000000000 RSI: 00007ffcb4b8ac00 RDI: 0000000000000005
[   83.492082][ T2267] RBP: 00007ffcb4b8ab60 R08: 0000000000000000 R09: 0000000000000000
[   83.492329][ T2267] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87d
[   83.492579][ T2267] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb4b8b2c0
| [   83.600916][ T2271] ------------[ cut here ]------------
| [   83.601066][ T2271] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2271
| [   83.601333][ T2271] Modules linked in: xfrm_user nf_tables
| [   83.602266][ T2271] Tainted: [W]=WARN
[   83.602367][ T2271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.602532][ T2271] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   83.602705][ T2271] 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
[   83.603166][ T2271] RSP: 0018:ffa000000301f020 EFLAGS: 00010286
[   83.603334][ T2271] RAX: 00000000ffffffa6 RBX: ff1100000fdd83c0 RCX: 1ff4000000603dca
[   83.603530][ T2271] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fdd847c
[   83.603727][ T2271] RBP: ff11000012231000 R08: 1fe2200001fbb091 R09: ff1100000ebbae58
[   83.603919][ T2271] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   83.604110][ T2271] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   83.604308][ T2271] FS:  00007fe23106f840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   83.604537][ T2271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   83.604706][ T2271] CR2: 000000000c2b5988 CR3: 000000000d0cf005 CR4: 0000000000771ef0
[   83.604900][ T2271] PKRU: 55555554
[   83.604995][ T2271] Call Trace:
[   83.605091][ T2271]  <TASK>
[   83.605157][ T2271]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   83.605293][ T2271]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   83.605392][ T2271]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   83.605524][ T2271]  __dev_notify_flags (net/core/dev.c:9787)
[   83.605661][ T2271]  ? netif_change_name (net/core/dev.c:1495)
[   83.605790][ T2271]  ? __dev_change_flags (net/core/dev.c:9752)
[   83.605920][ T2271]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   83.606048][ T2271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.606179][ T2271]  ? 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))
[   83.606315][ T2271]  netif_change_flags (net/core/dev.c:9820)
[   83.606444][ T2271]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   83.606579][ T2271]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   83.606716][ T2271]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   83.606846][ T2271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   83.607007][ T2271]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   83.607136][ T2271]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   83.607269][ T2271]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   83.607397][ T2271]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   83.607530][ T2271]  ? __kernel_text_address (kernel/extable.c:79)
[   83.607663][ T2271]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.607796][ T2271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.607925][ T2271]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   83.608055][ T2271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.608184][ T2271]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   83.608318][ T2271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.608445][ T2271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.608576][ T2271]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   83.608711][ T2271]  ? __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)
[   83.608841][ T2271]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   83.608969][ T2271]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   83.609100][ T2271]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   83.609232][ T2271]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   83.609371][ T2271]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   83.609507][ T2271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.609635][ T2271]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.609771][ T2271]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.609900][ T2271]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   83.610028][ T2271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.610160][ T2271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.610291][ T2271]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.610420][ T2271]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.610555][ T2271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.610690][ T2271]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.610818][ T2271]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   83.610946][ T2271]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   83.611075][ T2271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.611203][ T2271]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.611338][ T2271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.611466][ T2271]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.611600][ T2271]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   83.611736][ T2271]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.611867][ T2271]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   83.612000][ T2271]  ? 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))
[   83.612129][ T2271]  ? 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))
[   83.612267][ T2271]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.612399][ T2271]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   83.612532][ T2271]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.612667][ T2271]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   83.612799][ T2271]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   83.612931][ T2271]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   83.613062][ T2271]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   83.613190][ T2271]  ? copy_msghdr_from_user (net/socket.c:2635)
[   83.613322][ T2271]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   83.613481][ T2271]  ? move_addr_to_kernel (net/socket.c:258)
[   83.613614][ T2271]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   83.613751][ T2271]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   83.613883][ T2271]  ___sys_sendmsg (net/socket.c:2752)
[   83.614015][ T2271]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   83.614175][ T2271]  ? copy_msghdr_from_user (net/socket.c:2603)
[   83.614322][ T2271]  __sys_sendmsg (net/socket.c:2784)
[   83.614453][ T2271]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   83.614588][ T2271]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   83.614755][ T2271]  ? 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)
[   83.614884][ T2271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.615013][ T2271]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   83.615143][ T2271]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   83.615277][ T2271]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   83.615405][ T2271]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   83.615568][ T2271] RIP: 0033:0x7fe2312a908e
[   83.615708][ T2271] 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
[   83.616163][ T2271] RSP: 002b:00007ffc92afb900 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   83.616361][ T2271] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe2312a908e
[   83.616557][ T2271] RDX: 0000000000000000 RSI: 00007ffc92afb9b0 RDI: 0000000000000005
[   83.616756][ T2271] RBP: 00007ffc92afb910 R08: 0000000000000000 R09: 0000000000000000
[   83.616948][ T2271] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87d
[   83.617140][ T2271] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc92afc070
| [   83.724968][ T2275] ------------[ cut here ]------------
| [   83.725115][ T2275] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2275
| [   83.725381][ T2275] Modules linked in: xfrm_user nf_tables
| [   83.726102][ T2275] Tainted: [W]=WARN
[   83.726201][ T2275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.726369][ T2275] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   83.726541][ T2275] 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
[   83.727059][ T2275] RSP: 0018:ffa0000002def020 EFLAGS: 00010286
[   83.727220][ T2275] RAX: 00000000ffffffa6 RBX: ff1100000d350040 RCX: 1ff40000005bddca
[   83.727413][ T2275] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3500fc
[   83.727606][ T2275] RBP: ff11000008f3c000 R08: 1fe2200001a6a021 R09: ff110000100dae58
[   83.727853][ T2275] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   83.728044][ T2275] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   83.728295][ T2275] FS:  00007f5927f4d840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   83.728521][ T2275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   83.728738][ T2275] CR2: 000000002d7fd988 CR3: 0000000013aad005 CR4: 0000000000771ef0
[   83.728931][ T2275] PKRU: 55555554
[   83.729026][ T2275] Call Trace:
[   83.729121][ T2275]  <TASK>
[   83.729187][ T2275]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   83.729322][ T2275]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   83.729420][ T2275]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   83.729550][ T2275]  __dev_notify_flags (net/core/dev.c:9787)
[   83.729767][ T2275]  ? netif_change_name (net/core/dev.c:1495)
[   83.729896][ T2275]  ? __dev_change_flags (net/core/dev.c:9752)
[   83.730026][ T2275]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   83.730154][ T2275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.730287][ T2275]  ? 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))
[   83.730418][ T2275]  netif_change_flags (net/core/dev.c:9820)
[   83.730550][ T2275]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   83.730764][ T2275]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   83.730897][ T2275]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   83.731026][ T2275]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   83.731186][ T2275]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   83.731318][ T2275]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   83.731446][ T2275]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   83.731576][ T2275]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   83.731770][ T2275]  ? __kernel_text_address (kernel/extable.c:79)
[   83.731899][ T2275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.732028][ T2275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.732156][ T2275]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   83.732289][ T2275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.732416][ T2275]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   83.732546][ T2275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.732770][ T2275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.732899][ T2275]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   83.733027][ T2275]  ? __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)
[   83.733156][ T2275]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   83.733290][ T2275]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   83.733418][ T2275]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   83.733550][ T2275]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   83.733757][ T2275]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   83.733888][ T2275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.734017][ T2275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.734144][ T2275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.734277][ T2275]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   83.734404][ T2275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.734537][ T2275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.734705][ T2275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.734832][ T2275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.734961][ T2275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.735093][ T2275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.735221][ T2275]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   83.735353][ T2275]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   83.735481][ T2275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.735611][ T2275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.735746][ T2275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.735874][ T2275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.736004][ T2275]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   83.736131][ T2275]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.736261][ T2275]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   83.736393][ T2275]  ? 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))
[   83.736524][ T2275]  ? 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))
[   83.736658][ T2275]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.736787][ T2275]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   83.736916][ T2275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.737047][ T2275]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   83.737175][ T2275]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   83.737309][ T2275]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   83.737438][ T2275]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   83.737569][ T2275]  ? copy_msghdr_from_user (net/socket.c:2635)
[   83.737698][ T2275]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   83.737858][ T2275]  ? move_addr_to_kernel (net/socket.c:258)
[   83.737992][ T2275]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   83.738120][ T2275]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   83.738254][ T2275]  ___sys_sendmsg (net/socket.c:2752)
[   83.738383][ T2275]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   83.738546][ T2275]  ? copy_msghdr_from_user (net/socket.c:2603)
[   83.738692][ T2275]  __sys_sendmsg (net/socket.c:2784)
[   83.738820][ T2275]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   83.738948][ T2275]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   83.739109][ T2275]  ? 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)
[   83.739237][ T2275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.739371][ T2275]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   83.739499][ T2275]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   83.739630][ T2275]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   83.739761][ T2275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   83.739919][ T2275] RIP: 0033:0x7f592818708e
[   83.740054][ T2275] 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
[   83.740514][ T2275] RSP: 002b:00007ffd7895e4d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   83.740714][ T2275] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f592818708e
[   83.740905][ T2275] RDX: 0000000000000000 RSI: 00007ffd7895e580 RDI: 0000000000000005
[   83.741096][ T2275] RBP: 00007ffd7895e4e0 R08: 0000000000000000 R09: 0000000000000000
[   83.741289][ T2275] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87d
[   83.741477][ T2275] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7895ec40
| [   83.749211][   T64] ------------[ cut here ]------------
| [   83.749352][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/64
| [   83.749591][   T64] Modules linked in: xfrm_user nf_tables
| [   83.750005][   T64] Tainted: [W]=WARN
[   83.750098][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.750250][   T64] Workqueue: events_unbound linkwatch_event
[   83.750403][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   83.750559][   T64] 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
[   83.750986][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   83.751134][   T64] RAX: 00000000ffffffa6 RBX: ff1100000d3503c0 RCX: 1ff400000008af02
[   83.751318][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d35047c
[   83.751492][   T64] RBP: ff11000008f3c000 R08: 1fe2200001a6a091 R09: ff11000006100ba8
[   83.751686][   T64] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   83.751861][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   83.752036][   T64] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   83.752241][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   83.752395][   T64] CR2: 00007fa24b028574 CR3: 000000004994d003 CR4: 0000000000771ef0
[   83.752574][   T64] PKRU: 55555554
[   83.752669][   T64] Call Trace:
[   83.752757][   T64]  <TASK>
[   83.752818][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   83.752937][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   83.753056][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   83.753153][   T64]  netif_state_change (net/core/dev.c:1605)
[   83.753279][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   83.753429][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   83.753549][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   83.753675][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   83.753797][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   83.753915][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   83.754034][   T64]  process_one_work (kernel/workqueue.c:3314)
[   83.754156][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   83.754280][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.754403][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   83.754526][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   83.754643][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   83.754769][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   83.754886][   T64]  kthread (kernel/kthread.c:436)
[   83.754976][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   83.755122][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   83.755240][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   83.755365][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   83.755514][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   83.755635][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   83.755758][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   83.757536][   T64] ------------[ cut here ]------------
| [   83.757661][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/64
| [   83.757890][   T64] Modules linked in: xfrm_user nf_tables
| [   83.758283][   T64] Tainted: [W]=WARN
[   83.758372][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.758521][   T64] Workqueue: events_unbound linkwatch_event
[   83.758679][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   83.758832][   T64] 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
[   83.759264][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   83.759412][   T64] RAX: 00000000ffffffa6 RBX: ff11000004dbb380 RCX: 1ff400000008af02
[   83.759590][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004dbb43c
[   83.759782][   T64] RBP: ff11000012231000 R08: 1fe22000009b7689 R09: ff11000006100ba8
[   83.759956][   T64] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   83.760131][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   83.760313][   T64] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   83.760519][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   83.760674][   T64] CR2: 00007fa24b028574 CR3: 000000004994d003 CR4: 0000000000771ef0
[   83.760851][   T64] PKRU: 55555554
[   83.760940][   T64] Call Trace:
[   83.761029][   T64]  <TASK>
[   83.761091][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   83.761210][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   83.761336][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   83.761430][   T64]  netif_state_change (net/core/dev.c:1605)
[   83.761554][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   83.761708][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   83.761826][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   83.761949][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   83.762072][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   83.762189][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   83.762313][   T64]  process_one_work (kernel/workqueue.c:3314)
[   83.762433][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   83.762555][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.762685][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   83.762804][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   83.762922][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   83.763041][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   83.763159][   T64]  kthread (kernel/kthread.c:436)
[   83.763254][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   83.763401][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   83.763518][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   83.763638][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   83.763789][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   83.763908][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   83.764025][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   83.942196][ T2283] ------------[ cut here ]------------
| [   83.942400][ T2283] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2283
| [   83.942973][ T2283] Modules linked in: xfrm_user nf_tables
| [   83.943486][ T2283] Tainted: [W]=WARN
[   83.943640][ T2283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.943865][ T2283] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   83.944086][ T2283] 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
[   83.944624][ T2283] RSP: 0018:ffa000000300ee30 EFLAGS: 00010286
[   83.944857][ T2283] RAX: 00000000ffffffa6 RBX: ff11000014da0040 RCX: 1ff4000000601d8c
[   83.945103][ T2283] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014da00fc
[   83.945356][ T2283] RBP: ff11000008bd1000 R08: 1fe22000029b4021 R09: ff1100001017d180
[   83.945614][ T2283] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   83.945869][ T2283] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f8d8b00
[   83.946117][ T2283] FS:  00007f7cff497840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   83.946406][ T2283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   83.946629][ T2283] CR2: 00000000004eb188 CR3: 00000000123a5004 CR4: 0000000000771ef0
[   83.946893][ T2283] PKRU: 55555554
[   83.947039][ T2283] Call Trace:
[   83.947186][ T2283]  <TASK>
[   83.947313][ T2283]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   83.947498][ T2283]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   83.947672][ T2283]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   83.947885][ T2283]  __dev_notify_flags (net/core/dev.c:9787)
[   83.948066][ T2283]  ? netif_change_name (net/core/dev.c:1495)
[   83.948251][ T2283]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   83.948432][ T2283]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   83.948620][ T2283]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   83.948816][ T2283]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   83.949000][ T2283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.949181][ T2283]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   83.949373][ T2283]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   83.949563][ T2283]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   83.949755][ T2283]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   83.949938][ T2283]  veth_newlink (drivers/net/veth.c:1871)
[   83.950120][ T2283]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   83.950312][ T2283]  ? kasan_save_stack (mm/kasan/common.c:57)
[   83.950496][ T2283]  ? kasan_save_track (mm/kasan/common.c:78)
[   83.950700][ T2283]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   83.950899][ T2283]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   83.951078][ T2283]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   83.951270][ T2283]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   83.951453][ T2283]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   83.951645][ T2283]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   83.951842][ T2283]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   83.952026][ T2283]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   83.952206][ T2283]  ? __dev_get_by_name (net/core/dev.c:883)
[   83.952394][ T2283]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   83.952594][ T2283]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   83.952793][ T2283]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   83.952978][ T2283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.953157][ T2283]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.953346][ T2283]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.953527][ T2283]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   83.953719][ T2283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.953905][ T2283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.954087][ T2283]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.954276][ T2283]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   83.954458][ T2283]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   83.954664][ T2283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.954843][ T2283]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.955023][ T2283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.955202][ T2283]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.955390][ T2283]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   83.955580][ T2283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.955772][ T2283]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   83.955955][ T2283]  ? 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))
[   83.956133][ T2283]  ? 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))
[   83.956325][ T2283]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.956509][ T2283]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   83.956705][ T2283]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.956888][ T2283]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   83.957069][ T2283]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   83.957258][ T2283]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   83.957440][ T2283]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   83.957628][ T2283]  ? copy_msghdr_from_user (net/socket.c:2635)
[   83.957822][ T2283]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   83.958033][ T2283]  ? move_addr_to_kernel (net/socket.c:258)
[   83.958217][ T2283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.958406][ T2283]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   83.958595][ T2283]  ___sys_sendmsg (net/socket.c:2752)
[   83.958790][ T2283]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   83.958974][ T2283]  ? copy_msghdr_from_user (net/socket.c:2603)
[   83.959158][ T2283]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   83.959352][ T2283]  ? 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))
[   83.959542][ T2283]  __sys_sendmsg (net/socket.c:2784)
[   83.959738][ T2283]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   83.959922][ T2283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.960102][ T2283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.960292][ T2283]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   83.960476][ T2283]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   83.960677][ T2283]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   83.960860][ T2283]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   83.961074][ T2283] RIP: 0033:0x7f7cff6d108e
[   83.961268][ T2283] 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
[   83.961805][ T2283] RSP: 002b:00007ffded6b5cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   83.962053][ T2283] RAX: ffffffffffffffda RBX: 00007ffded6b6448 RCX: 00007f7cff6d108e
[   83.962305][ T2283] RDX: 0000000000000000 RSI: 00007ffded6b5d60 RDI: 0000000000000005
[   83.962556][ T2283] RBP: 00007ffded6b5cc0 R08: 0000000000000000 R09: 0000000000000000
[   83.962811][ T2283] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87e
[   83.963059][ T2283] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffded6b6420
| [   83.971004][ T2283] ------------[ cut here ]------------
| [   83.971183][ T2283] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2283
| [   83.971500][ T2283] Modules linked in: xfrm_user nf_tables
| [   83.972010][ T2283] Tainted: [W]=WARN
[   83.972157][ T2283] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   83.972380][ T2283] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   83.972608][ T2283] 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
[   83.973135][ T2283] RSP: 0018:ffa000000300f1b0 EFLAGS: 00010286
[   83.973358][ T2283] RAX: 00000000ffffffa6 RBX: ff11000012602ac0 RCX: 1ff4000000601dfc
[   83.973611][ T2283] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012602b7c
[   83.974399][ T2283] RBP: ff1100001240c000 R08: 1fe22000024c0571 R09: ff1100001017d180
[   83.974725][ T2283] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   83.975028][ T2283] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   83.975345][ T2283] FS:  00007f7cff497840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   83.975698][ T2283] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   83.975963][ T2283] CR2: 00000000004eb188 CR3: 00000000123a5004 CR4: 0000000000771ef0
[   83.976272][ T2283] PKRU: 55555554
[   83.976472][ T2283] Call Trace:
[   83.976691][ T2283]  <TASK>
[   83.976862][ T2283]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   83.977099][ T2283]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   83.977309][ T2283]  __dev_notify_flags (net/core/dev.c:9787)
[   83.977556][ T2283]  ? netif_change_name (net/core/dev.c:1495)
[   83.977805][ T2283]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   83.978042][ T2283]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   83.978286][ T2283]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   83.978531][ T2283]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   83.978779][ T2283]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   83.979012][ T2283]  ? __dev_get_by_name (net/core/dev.c:883)
[   83.979254][ T2283]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   83.979495][ T2283]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   83.979759][ T2283]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   83.979996][ T2283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.980227][ T2283]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.980467][ T2283]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.980723][ T2283]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   83.980955][ T2283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.981191][ T2283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.981435][ T2283]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   83.981691][ T2283]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   83.981926][ T2283]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   83.982158][ T2283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.982400][ T2283]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.982646][ T2283]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   83.982943][ T2283]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   83.983177][ T2283]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   83.983417][ T2283]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   83.983679][ T2283]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   83.983917][ T2283]  ? 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))
[   83.984149][ T2283]  ? 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))
[   83.984396][ T2283]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   83.984644][ T2283]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   83.984942][ T2283]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   83.985176][ T2283]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   83.985425][ T2283]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   83.985681][ T2283]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   83.985916][ T2283]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   83.986109][ T2283]  ? copy_msghdr_from_user (net/socket.c:2635)
[   83.986294][ T2283]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   83.986505][ T2283]  ? move_addr_to_kernel (net/socket.c:258)
[   83.986704][ T2283]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   83.986887][ T2283]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   83.987069][ T2283]  ___sys_sendmsg (net/socket.c:2752)
[   83.987255][ T2283]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   83.987435][ T2283]  ? copy_msghdr_from_user (net/socket.c:2603)
[   83.987625][ T2283]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   83.987825][ T2283]  ? 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))
[   83.988006][ T2283]  __sys_sendmsg (net/socket.c:2784)
[   83.988188][ T2283]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   83.988383][ T2283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.988571][ T2283]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   83.988765][ T2283]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   83.988943][ T2283]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   83.989121][ T2283]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   83.989310][ T2283]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   83.989522][ T2283] RIP: 0033:0x7f7cff6d108e
[   83.989721][ T2283] 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
[   83.990232][ T2283] RSP: 002b:00007ffded6b5cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   83.990486][ T2283] RAX: ffffffffffffffda RBX: 00007ffded6b6448 RCX: 00007f7cff6d108e
[   83.990752][ T2283] RDX: 0000000000000000 RSI: 00007ffded6b5d60 RDI: 0000000000000005
[   83.990994][ T2283] RBP: 00007ffded6b5cc0 R08: 0000000000000000 R09: 0000000000000000
[   83.991238][ T2283] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87e
[   83.991488][ T2283] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffded6b6420
| [   84.091699][ T2287] ------------[ cut here ]------------
| [   84.091845][ T2287] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2287
| [   84.092096][ T2287] Modules linked in: xfrm_user nf_tables
| [   84.092489][ T2287] Tainted: [W]=WARN
[   84.092590][ T2287] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   84.092754][ T2287] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   84.092917][ T2287] 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
[   84.093371][ T2287] RSP: 0018:ffa0000002def020 EFLAGS: 00010286
[   84.093533][ T2287] RAX: 00000000ffffffa6 RBX: ff1100001246f540 RCX: 1ff40000005bddca
[   84.093724][ T2287] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246f5fc
[   84.093912][ T2287] RBP: ff1100001240c000 R08: 1fe220000248dec1 R09: ff1100001298ae58
[   84.094098][ T2287] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   84.094289][ T2287] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   84.094476][ T2287] FS:  00007f7b47e89840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   84.094704][ T2287] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   84.094862][ T2287] CR2: 0000000022e36988 CR3: 000000000e97a002 CR4: 0000000000771ef0
[   84.095049][ T2287] PKRU: 55555554
[   84.095141][ T2287] Call Trace:
[   84.095234][ T2287]  <TASK>
[   84.095307][ T2287]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   84.095434][ T2287]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   84.095534][ T2287]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   84.095664][ T2287]  __dev_notify_flags (net/core/dev.c:9787)
[   84.095790][ T2287]  ? netif_change_name (net/core/dev.c:1495)
[   84.095915][ T2287]  ? __dev_change_flags (net/core/dev.c:9752)
[   84.096044][ T2287]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   84.096169][ T2287]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   84.096299][ T2287]  ? 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))
[   84.096427][ T2287]  netif_change_flags (net/core/dev.c:9820)
[   84.096558][ T2287]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   84.097349][ T2287]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   84.097479][ T2287]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   84.097608][ T2287]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   84.097816][ T2287]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   84.097941][ T2287]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   84.098067][ T2287]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   84.098191][ T2287]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   84.098322][ T2287]  ? __kernel_text_address (kernel/extable.c:79)
[   84.098447][ T2287]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   84.098576][ T2287]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   84.098744][ T2287]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   84.098874][ T2287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   84.098998][ T2287]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   84.099124][ T2287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   84.099253][ T2287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   84.099377][ T2287]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   84.099508][ T2287]  ? __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)
[   84.099633][ T2287]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   84.099763][ T2287]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   84.099890][ T2287]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   84.100019][ T2287]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   84.100147][ T2287]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   84.100278][ T2287]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   84.100402][ T2287]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   84.100531][ T2287]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   84.100661][ T2287]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   84.100784][ T2287]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   84.100910][ T2287]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   84.101034][ T2287]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   84.101158][ T2287]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   84.101288][ T2287]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   84.101414][ T2287]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   84.101544][ T2287]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   84.101672][ T2287]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   84.101797][ T2287]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   84.101921][ T2287]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   84.102047][ T2287]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   84.102171][ T2287]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   84.102302][ T2287]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   84.102427][ T2287]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   84.102558][ T2287]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   84.102691][ T2287]  ? 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))
[   84.102814][ T2287]  ? 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))
[   84.102941][ T2287]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   84.103068][ T2287]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   84.103192][ T2287]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   84.103321][ T2287]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   84.103448][ T2287]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   84.103576][ T2287]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   84.103707][ T2287]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   84.103831][ T2287]  ? copy_msghdr_from_user (net/socket.c:2635)
[   84.103954][ T2287]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   84.104109][ T2287]  ? move_addr_to_kernel (net/socket.c:258)
[   84.104236][ T2287]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   84.104368][ T2287]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   84.104494][ T2287]  ___sys_sendmsg (net/socket.c:2752)
[   84.104623][ T2287]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   84.104790][ T2287]  ? copy_msghdr_from_user (net/socket.c:2603)
[   84.104927][ T2287]  __sys_sendmsg (net/socket.c:2784)
[   84.105052][ T2287]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   84.105176][ T2287]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   84.105341][ T2287]  ? 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)
[   84.105467][ T2287]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   84.105597][ T2287]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   84.105727][ T2287]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   84.105852][ T2287]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   84.105979][ T2287]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   84.106134][ T2287] RIP: 0033:0x7f7b480c308e
[   84.106270][ T2287] 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
[   84.106726][ T2287] RSP: 002b:00007ffe84afdb10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   84.106916][ T2287] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7b480c308e
[   84.107104][ T2287] RDX: 0000000000000000 RSI: 00007ffe84afdbc0 RDI: 0000000000000005
[   84.107292][ T2287] RBP: 00007ffe84afdb20 R08: 0000000000000000 R09: 0000000000000000
[   84.107480][ T2287] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87e
[   84.107675][ T2287] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe84afe280
| [   84.221617][ T2291] ------------[ cut here ]------------
| [   84.221776][ T2291] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2291
| [   84.222038][ T2291] Modules linked in: xfrm_user nf_tables
| [   84.222439][ T2291] Tainted: [W]=WARN
[   84.222539][ T2291] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   84.222708][ T2291] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   84.222874][ T2291] 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
[   84.223334][ T2291] RSP: 0018:ffa000000306f020 EFLAGS: 00010286
[   84.223494][ T2291] RAX: 00000000ffffffa6 RBX: ff11000010239000 RCX: 1ff400000060ddca
[   84.223692][ T2291] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000102390bc
[   84.223889][ T2291] RBP: ff11000008bd1000 R08: 1fe2200002047219 R09: ff1100000f3dae58
[   84.224080][ T2291] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   84.224275][ T2291] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   84.224466][ T2291] FS:  00007efea1a7f840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   84.224763][ T2291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   84.224924][ T2291] CR2: 0000000012d4c988 CR3: 00000000134cc002 CR4: 0000000000771ef0
[   84.225115][ T2291] PKRU: 55555554
[   84.225211][ T2291] Call Trace:
[   84.225312][ T2291]  <TASK>
[   84.225378][ T2291]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   84.225513][ T2291]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   84.225613][ T2291]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   84.225807][ T2291]  __dev_notify_flags (net/core/dev.c:9787)
[   84.225937][ T2291]  ? netif_change_name (net/core/dev.c:1495)
[   84.226105][ T2291]  ? __dev_change_flags (net/core/dev.c:9752)
[   84.226233][ T2291]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   84.226368][ T2291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   84.226496][ T2291]  ? 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))
[   84.226629][ T2291]  netif_change_flags (net/core/dev.c:9820)
[   84.226763][ T2291]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   84.226891][ T2291]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   84.227021][ T2291]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   84.227150][ T2291]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   84.227316][ T2291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   84.227443][ T2291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   84.227575][ T2291]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   84.227717][ T2291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   84.227846][ T2291]  ? __kernel_text_address (kernel/extable.c:79)
[   84.227976][ T2291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   84.228106][ T2291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   84.228238][ T2291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   84.228374][ T2291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   84.228505][ T2291]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   84.228634][ T2291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   84.228767][ T2291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   84.228894][ T2291]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   84.229024][ T2291]  ? __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)
[   84.229153][ T2291]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   84.229289][ T2291]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   84.229418][ T2291]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   84.229554][ T2291]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   84.229692][ T2291]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   84.229823][ T2291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   84.229950][ T2291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   84.230080][ T2291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   84.230209][ T2291]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   84.230340][ T2291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   84.230469][ T2291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   84.230600][ T2291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   84.230730][ T2291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   84.230857][ T2291]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   84.230986][ T2291]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   84.231116][ T2291]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   84.231243][ T2291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   84.231380][ T2291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   84.231510][ T2291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   84.231639][ T2291]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   84.231771][ T2291]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   84.231900][ T2291]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   84.232027][ T2291]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   84.232156][ T2291]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   84.232292][ T2291]  ? 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))
[   84.232420][ T2291]  ? 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))
[   84.232553][ T2291]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   84.232687][ T2291]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   84.232815][ T2291]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   84.232945][ T2291]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   84.233074][ T2291]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   84.233206][ T2291]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   84.233342][ T2291]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   84.233470][ T2291]  ? copy_msghdr_from_user (net/socket.c:2635)
[   84.233600][ T2291]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   84.233760][ T2291]  ? move_addr_to_kernel (net/socket.c:258)
[   84.233889][ T2291]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   84.234017][ T2291]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   84.234146][ T2291]  ___sys_sendmsg (net/socket.c:2752)
[   84.234279][ T2291]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   84.234437][ T2291]  ? copy_msghdr_from_user (net/socket.c:2603)
[   84.234581][ T2291]  __sys_sendmsg (net/socket.c:2784)
[   84.234715][ T2291]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   84.234843][ T2291]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   84.235005][ T2291]  ? 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)
[   84.235134][ T2291]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   84.235265][ T2291]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   84.235393][ T2291]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   84.235523][ T2291]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   84.235657][ T2291]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   84.235815][ T2291] RIP: 0033:0x7efea1cb908e
[   84.235948][ T2291] 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
[   84.236409][ T2291] RSP: 002b:00007ffe8a1ba2e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   84.236604][ T2291] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007efea1cb908e
[   84.236799][ T2291] RDX: 0000000000000000 RSI: 00007ffe8a1ba390 RDI: 0000000000000005
[   84.236989][ T2291] RBP: 00007ffe8a1ba2f0 R08: 0000000000000000 R09: 0000000000000000
[   84.237179][ T2291] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d87e
[   84.237375][ T2291] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe8a1baa50
| [   84.239549][   T36] ------------[ cut here ]------------
| [   84.239685][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/36
| [   84.239916][   T36] Modules linked in: xfrm_user nf_tables
| [   84.240312][   T36] Tainted: [W]=WARN
[   84.240401][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   84.240554][   T36] Workqueue: events_unbound linkwatch_event
[   84.240712][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   84.240864][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   84.241288][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   84.241434][   T36] RAX: 00000000ffffffa6 RBX: ff110000102383c0 RCX: 1ff4000000051f02
[   84.241612][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001023847c
[   84.241805][   T36] RBP: ff11000008bd1000 R08: 1fe2200002047091 R09: ff11000001d751a8
[   84.241978][   T36] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   84.242150][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   84.242330][   T36] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   84.242537][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   84.242688][   T36] CR2: 000055d3d5b6bd5c CR3: 00000000125b5003 CR4: 0000000000771ef0
[   84.242862][   T36] PKRU: 55555554
[   84.242948][   T36] Call Trace:
[   84.243034][   T36]  <TASK>
[   84.243095][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   84.243212][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   84.243337][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   84.243426][   T36]  netif_state_change (net/core/dev.c:1605)
[   84.243543][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   84.243695][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   84.243814][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   84.243934][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   84.244052][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   84.244168][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   84.244287][   T36]  process_one_work (kernel/workqueue.c:3314)
[   84.244408][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   84.244527][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   84.244648][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   84.244775][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   84.244891][   T36]  kthread (kernel/kthread.c:436)
[   84.244979][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   84.245123][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   84.245242][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   84.245366][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   84.245513][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   84.245633][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   84.245753][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   84.247376][   T36] ------------[ cut here ]------------
| [   84.247508][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/36
| [   84.247747][   T36] Modules linked in: xfrm_user nf_tables
| [   84.248135][   T36] Tainted: [W]=WARN
[   84.248223][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   84.248374][   T36] Workqueue: events_unbound linkwatch_event
[   84.248529][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   84.249138][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   84.249564][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   84.249772][   T36] RAX: 00000000ffffffa6 RBX: ff1100000d68fc40 RCX: 1ff4000000051f02
[   84.249952][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68fcfc
[   84.250129][   T36] RBP: ff1100001240c000 R08: 1fe2200001ad1fa1 R09: ff11000001d751a8
[   84.250316][   T36] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   84.250491][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   84.250728][   T36] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   84.250934][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   84.251084][   T36] CR2: 00007efea1d0a2a0 CR3: 000000004994d005 CR4: 0000000000771ef0
[   84.251315][   T36] PKRU: 55555554
[   84.251404][   T36] Call Trace:
[   84.251491][   T36]  <TASK>
[   84.251559][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   84.251731][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   84.251849][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   84.251940][   T36]  netif_state_change (net/core/dev.c:1605)
[   84.252059][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   84.252207][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   84.252330][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   84.252446][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   84.252571][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   84.252735][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   84.252852][   T36]  process_one_work (kernel/workqueue.c:3314)
[   84.252973][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   84.253089][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   84.253210][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   84.253336][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   84.253456][   T36]  kthread (kernel/kthread.c:436)
[   84.253549][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   84.253747][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   84.253865][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   84.253987][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   84.254133][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   84.254254][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   84.254372][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.341927][   T12] ------------[ cut here ]------------
| [   88.342095][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   88.342344][   T12] Modules linked in: xfrm_user nf_tables
| [   88.342755][   T12] Tainted: [W]=WARN
[   88.342844][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.342993][   T12] Workqueue: netns cleanup_net
[   88.343118][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.343279][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.343711][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   88.343858][   T12] RAX: 00000000ffffffa6 RBX: ff11000014d4f700 RCX: 1ff4000000018eed
[   88.344032][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d4f7bc
[   88.344205][   T12] RBP: ff1100000faac000 R08: 1fe22000029a9ef9 R09: ff11000001aed1d0
[   88.344391][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   88.344568][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.344751][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   88.344954][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.345103][   T12] CR2: 00007f4cd715d0a0 CR3: 000000004994d002 CR4: 0000000000771ef0
[   88.345289][   T12] PKRU: 55555554
[   88.345376][   T12] Call Trace:
[   88.345468][   T12]  <TASK>
[   88.345533][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.345690][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.345844][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   88.345963][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   88.346083][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.346199][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   88.346320][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.346444][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   88.346566][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.346687][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.346807][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.346927][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.347042][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.347160][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.347288][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.347406][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.347531][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.347647][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.347772][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.347892][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.348008][   T12]  kthread (kernel/kthread.c:436)
[   88.348099][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.348246][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.348369][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.348486][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.348639][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.348763][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.348878][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.351200][   T12] ------------[ cut here ]------------
| [   88.351324][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   88.351555][   T12] Modules linked in: xfrm_user nf_tables
| [   88.351946][   T12] Tainted: [W]=WARN
[   88.352034][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.352180][   T12] Workqueue: netns cleanup_net
[   88.352312][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.352462][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.352890][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   88.353038][   T12] RAX: 00000000ffffffa6 RBX: ff11000014d4e200 RCX: 1ff4000000018eed
[   88.353211][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d4e2bc
[   88.353387][   T12] RBP: ff11000014db4000 R08: 1fe22000029a9c59 R09: ff11000001aed1d0
[   88.353566][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   88.353749][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.353927][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   88.354130][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.354286][   T12] CR2: 00007f4cd715d0a0 CR3: 000000004994d002 CR4: 0000000000771ef0
[   88.354463][   T12] PKRU: 55555554
[   88.354559][   T12] Call Trace:
[   88.354646][   T12]  <TASK>
[   88.354713][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.354864][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.355009][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   88.355126][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   88.355245][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.355366][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   88.355483][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.355606][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   88.355730][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.355848][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.355971][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.356090][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.356207][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.356331][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.356447][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.356567][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.356744][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.356859][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.356979][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.357099][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.357215][   T12]  kthread (kernel/kthread.c:436)
[   88.357309][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.357452][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.357571][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.357753][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.357903][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.358022][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.358140][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.360949][   T12] ------------[ cut here ]------------
| [   88.361069][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   88.361297][   T12] Modules linked in: xfrm_user nf_tables
| [   88.361687][   T12] Tainted: [W]=WARN
[   88.361778][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.361921][   T12] Workqueue: netns cleanup_net
[   88.362039][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.362191][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.362611][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   88.362808][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c540040 RCX: 1ff4000000018eed
[   88.362998][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5400fc
[   88.363174][   T12] RBP: ff1100000f1a4000 R08: 1fe22000018a8021 R09: ff11000001aed1d0
[   88.363355][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   88.363536][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.363816][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   88.364021][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.364171][   T12] CR2: 00007f4cd715d0a0 CR3: 000000004994d002 CR4: 0000000000771ef0
[   88.364350][   T12] PKRU: 55555554
[   88.364436][   T12] Call Trace:
[   88.364527][   T12]  <TASK>
[   88.364588][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.364830][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.365074][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   88.365192][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   88.365312][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.365426][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   88.365544][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.365753][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   88.365870][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.365983][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.366100][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.366217][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.366336][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.366452][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.366568][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.366775][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.366894][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.367007][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.367129][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.367248][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.367371][   T12]  kthread (kernel/kthread.c:436)
[   88.367458][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.367604][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.367809][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.367929][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.368074][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.368188][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.368307][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.371357][   T12] ------------[ cut here ]------------
| [   88.371481][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   88.371717][   T12] Modules linked in: xfrm_user nf_tables
| [   88.372098][   T12] Tainted: [W]=WARN
[   88.372185][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.372337][   T12] Workqueue: netns cleanup_net
[   88.372458][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.372616][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.373033][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   88.373177][   T12] RAX: 00000000ffffffa6 RBX: ff1100000df54040 RCX: 1ff4000000018eed
[   88.373358][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df540fc
[   88.373532][   T12] RBP: ff1100000e431000 R08: 1fe2200001bea821 R09: ff11000001aed1d0
[   88.373710][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   88.373881][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.374054][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   88.374254][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.374405][   T12] CR2: 00007f4cd715d0a0 CR3: 000000004994d002 CR4: 0000000000771ef0
[   88.374582][   T12] PKRU: 55555554
[   88.374673][   T12] Call Trace:
[   88.374760][   T12]  <TASK>
[   88.374820][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.374969][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.375113][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   88.375228][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   88.375354][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.375470][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   88.375590][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.375711][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   88.375827][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.375941][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.376110][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.376244][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.376368][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.376485][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.376607][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.376734][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.376857][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.376971][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.377092][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.377211][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.377332][   T12]  kthread (kernel/kthread.c:436)
[   88.377418][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.377568][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.377687][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.377802][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.377946][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.378062][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.378176][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.380416][   T12] ------------[ cut here ]------------
| [   88.380552][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   88.380792][   T12] Modules linked in: xfrm_user nf_tables
| [   88.381179][   T12] Tainted: [W]=WARN
[   88.381269][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.381414][   T12] Workqueue: netns cleanup_net
[   88.381538][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.381844][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.382372][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   88.382523][   T12] RAX: 00000000ffffffa6 RBX: ff1100000df543c0 RCX: 1ff4000000018eed
[   88.382801][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df5447c
[   88.382976][   T12] RBP: ff11000012be1000 R08: 1fe2200001bea891 R09: ff11000001aed1d0
[   88.383149][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   88.383324][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.383497][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   88.383794][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.383943][   T12] CR2: 00007f4cd715d0a0 CR3: 000000004994d002 CR4: 0000000000771ef0
[   88.384117][   T12] PKRU: 55555554
[   88.384201][   T12] Call Trace:
[   88.384292][   T12]  <TASK>
[   88.384352][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.384509][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.384742][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   88.384858][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   88.384974][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.385090][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   88.385205][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.385327][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   88.385444][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.385562][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.385772][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.385890][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.386003][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.386124][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.386238][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.386358][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.386476][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.386595][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.386804][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.386924][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.387038][   T12]  kthread (kernel/kthread.c:436)
[   88.387125][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.387298][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.387415][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.387535][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.387772][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.387888][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.388002][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.403535][   T12] ------------[ cut here ]------------
| [   88.403716][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   88.404006][   T12] Modules linked in: xfrm_user nf_tables
| [   88.404517][   T12] Tainted: [W]=WARN
[   88.404670][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.404870][   T12] Workqueue: netns cleanup_net
[   88.405044][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.405248][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.405769][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   88.405971][   T12] RAX: 00000000ffffffa6 RBX: ff1100000df54580 RCX: 1ff4000000018eaf
[   88.406200][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df5463c
[   88.406455][   T12] RBP: ff11000012b59000 R08: 1fe2200001bea8c9 R09: ff11000001aed1d0
[   88.406794][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   88.407072][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000124a9000
[   88.407359][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   88.407723][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.407980][   T12] CR2: 00007fe7e19b8574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   88.408270][   T12] PKRU: 55555554
[   88.408456][   T12] Call Trace:
[   88.408669][   T12]  <TASK>
[   88.408779][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.408958][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.409100][   T12]  netif_close_many (net/core/dev.c:1804)
[   88.409280][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.409450][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.409627][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.409813][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   88.409985][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   88.410192][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   88.410404][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.410612][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.410824][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.410995][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.411195][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   88.411418][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   88.411631][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   88.411817][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   88.412019][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   88.412190][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   88.412368][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   88.412546][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.412730][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.412906][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.413107][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.413281][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.413454][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.413633][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.413818][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.414021][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.414193][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.414375][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.414557][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.414742][   T12]  kthread (kernel/kthread.c:436)
[   88.414882][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.415081][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.415252][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.415435][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.415643][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.415828][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.415997][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.419395][   T12] ------------[ cut here ]------------
| [   88.419567][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   88.419880][   T12] Modules linked in: xfrm_user nf_tables
| [   88.420385][   T12] Tainted: [W]=WARN
[   88.420527][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.420739][   T12] Workqueue: netns cleanup_net
[   88.420915][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.421121][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.421618][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   88.421832][   T12] RAX: 00000000ffffffa6 RBX: ff11000004ecec80 RCX: 1ff4000000018eaf
[   88.422059][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004eced3c
[   88.422295][   T12] RBP: ff110000124a9000 R08: 1fe22000009d9da9 R09: ff11000001aed1d0
[   88.422529][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   88.422775][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008be1000
[   88.423007][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   88.423272][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.423475][   T12] CR2: 00007fe7e19b8574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   88.423724][   T12] PKRU: 55555554
[   88.423861][   T12] Call Trace:
[   88.423998][   T12]  <TASK>
[   88.424108][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.424285][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   88.424456][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.424609][   T12]  netif_close_many (net/core/dev.c:1804)
[   88.424792][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.424959][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.425129][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.425304][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   88.425475][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   88.425697][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   88.425900][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.426073][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.426277][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.426448][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.426622][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   88.426835][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   88.427010][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   88.427182][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   88.427362][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   88.427542][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   88.427729][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   88.427901][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.428070][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.428241][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.428423][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.428600][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.428790][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.428960][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.429132][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.429309][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.429478][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.429672][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.429860][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.430030][   T12]  kthread (kernel/kthread.c:436)
[   88.430173][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.430381][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.430558][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.430743][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.430942][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.431111][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.431290][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.434534][   T12] ------------[ cut here ]------------
| [   88.435359][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   88.435716][   T12] Modules linked in: xfrm_user nf_tables
| [   88.436337][   T12] Tainted: [W]=WARN
[   88.436533][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.436804][   T12] Workqueue: netns cleanup_net
[   88.437034][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.437299][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.437850][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   88.438130][   T12] RAX: 00000000ffffffa6 RBX: ff11000005fc0e40 RCX: 1ff4000000018eaf
[   88.438414][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005fc0efc
[   88.438711][   T12] RBP: ff11000008be1000 R08: 1fe2200000bf81e1 R09: ff11000001aed1d0
[   88.438989][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   88.439279][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   88.439568][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   88.439894][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.440224][   T12] CR2: 00007fe7e19b8574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   88.440515][   T12] PKRU: 55555554
[   88.440720][   T12] Call Trace:
[   88.440905][   T12]  <TASK>
[   88.441064][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.441291][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   88.441515][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.441748][   T12]  netif_close_many (net/core/dev.c:1804)
[   88.441970][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.442186][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.442419][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.442644][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   88.442921][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   88.443173][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   88.443445][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.443686][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.443934][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.444184][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.444460][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   88.444790][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   88.445129][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   88.445431][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   88.445701][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   88.445875][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   88.446045][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   88.446251][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.446430][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.446612][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.446879][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.447048][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.447220][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.447399][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.447673][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.447927][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.448098][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.448282][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.448458][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.448637][   T12]  kthread (kernel/kthread.c:436)
[   88.448793][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.448993][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.449163][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.449339][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.449631][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.449894][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.450065][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.453073][   T12] ------------[ cut here ]------------
| [   88.453238][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   88.454215][   T12] Modules linked in: xfrm_user nf_tables
| [   88.454818][   T12] Tainted: [W]=WARN
[   88.454999][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.455239][   T12] Workqueue: netns cleanup_net
[   88.455462][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.455732][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.456334][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   88.456578][   T12] RAX: 00000000ffffffa6 RBX: ff11000005fc1c40 RCX: 1ff4000000018ed5
[   88.456860][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005fc1cfc
[   88.457205][   T12] RBP: ff11000012b59000 R08: 1fe2200000bf83a1 R09: ff11000001aed1d0
[   88.457636][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   88.458139][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.458410][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   88.458727][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.458968][   T12] CR2: 00007fe7e19b8574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   88.459238][   T12] PKRU: 55555554
[   88.459425][   T12] Call Trace:
[   88.459610][   T12]  <TASK>
[   88.459776][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.460020][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.460256][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.460474][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.460704][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   88.460951][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   88.461162][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   88.461474][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   88.461754][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   88.461951][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   88.462119][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.462291][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.462465][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.462641][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.462820][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.462987][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.463159][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.463333][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.463506][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.463691][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.463862][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.464034][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.464200][   T12]  kthread (kernel/kthread.c:436)
[   88.464344][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.464548][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.464803][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.464970][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.465169][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.465344][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.465514][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.470184][   T12] ------------[ cut here ]------------
| [   88.470355][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   88.470644][   T12] Modules linked in: xfrm_user nf_tables
| [   88.471145][   T12] Tainted: [W]=WARN
[   88.471296][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.471491][   T12] Workqueue: netns cleanup_net
[   88.471745][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.471993][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.472636][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   88.472890][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bd90580 RCX: 1ff4000000018ed5
[   88.473157][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd9063c
[   88.473434][   T12] RBP: ff110000124a9000 R08: 1fe22000017b20c9 R09: ff11000001aed1d0
[   88.473723][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   88.473996][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.474272][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   88.474576][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.474830][   T12] CR2: 00007fe7e19b8574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   88.475099][   T12] PKRU: 55555554
[   88.475287][   T12] Call Trace:
[   88.475466][   T12]  <TASK>
[   88.475628][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.475885][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.476126][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.476380][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.476615][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   88.476870][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   88.477083][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   88.477303][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   88.477523][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   88.477750][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   88.477979][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.478192][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.478411][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.478634][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.478856][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.479069][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.479289][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.479538][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.479806][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.479970][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.480142][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.480323][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.480491][   T12]  kthread (kernel/kthread.c:436)
[   88.480637][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.480849][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.481015][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.481185][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.481388][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.481562][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.481744][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.485740][   T12] ------------[ cut here ]------------
| [   88.485908][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   88.486192][   T12] Modules linked in: xfrm_user nf_tables
| [   88.486703][   T12] Tainted: [W]=WARN
[   88.486846][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.487041][   T12] Workqueue: netns cleanup_net
[   88.487216][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.487426][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.487973][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   88.488213][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bd91700 RCX: 1ff4000000018ed5
[   88.488494][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd917bc
[   88.488820][   T12] RBP: ff11000008be1000 R08: 1fe22000017b22f9 R09: ff11000001aed1d0
[   88.489086][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   88.489361][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.489639][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   88.489948][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.490193][   T12] CR2: 00007fe7e19b8574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   88.490467][   T12] PKRU: 55555554
[   88.490668][   T12] Call Trace:
[   88.490850][   T12]  <TASK>
[   88.491006][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.491248][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.491495][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.491727][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.491939][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   88.492184][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   88.492405][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   88.492628][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   88.492853][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   88.493064][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   88.493285][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.493493][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.493727][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.493939][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.494147][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.494372][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.494592][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.494819][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.495034][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.495243][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.495465][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.495704][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.495933][   T12]  kthread (kernel/kthread.c:436)
[   88.496074][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.496272][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.496439][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.496612][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.496819][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.496986][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.497155][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.529708][   T12] ------------[ cut here ]------------
| [   88.529879][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   88.530158][   T12] Modules linked in: xfrm_user nf_tables
| [   88.530663][   T12] Tainted: [W]=WARN
[   88.530796][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.531001][   T12] Workqueue: netns cleanup_net
[   88.531200][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.531411][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.531909][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   88.532105][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246e900 RCX: 1ff4000000018eed
[   88.532334][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e9bc
[   88.532561][   T12] RBP: ff11000007851000 R08: 1fe220000248dd39 R09: ff11000001aed1d0
[   88.532797][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   88.533020][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.533242][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   88.533502][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.533714][   T12] CR2: 00007fe7e19b8574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   88.533937][   T12] PKRU: 55555554
[   88.534074][   T12] Call Trace:
[   88.534207][   T12]  <TASK>
[   88.534322][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.534527][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.534730][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   88.534895][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   88.535062][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.535225][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   88.535400][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.535575][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   88.535759][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.535922][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.536091][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.536264][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.536427][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.536603][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.536784][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.536951][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.537123][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.537292][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.537462][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.537643][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.537821][   T12]  kthread (kernel/kthread.c:436)
[   88.537957][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.538154][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.538327][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.538493][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.538704][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.538871][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.539036][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.541675][   T12] ------------[ cut here ]------------
| [   88.541836][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   88.542113][   T12] Modules linked in: xfrm_user nf_tables
| [   88.542606][   T12] Tainted: [W]=WARN
[   88.543197][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.543465][   T12] Workqueue: netns cleanup_net
[   88.543681][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.543877][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.544348][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   88.544550][   T12] RAX: 00000000ffffffa6 RBX: ff1100001243f1c0 RCX: 1ff4000000018eed
[   88.544785][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243f27c
[   88.545012][   T12] RBP: ff11000002654000 R08: 1fe2200002487e51 R09: ff11000001aed1d0
[   88.545231][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   88.545458][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.545703][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   88.545953][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.546148][   T12] CR2: 00007fe7e19b8574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   88.546381][   T12] PKRU: 55555554
[   88.546519][   T12] Call Trace:
[   88.546672][   T12]  <TASK>
[   88.546808][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.547006][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.547196][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   88.547401][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   88.547578][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.547756][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   88.547925][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.548093][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   88.548268][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.548431][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.548610][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.548792][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.548956][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.549126][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.549299][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.549467][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.549645][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.549826][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.549995][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.550164][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.550334][   T12]  kthread (kernel/kthread.c:436)
[   88.550472][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.550682][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.550851][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.551016][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.551210][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.551382][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.551552][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.554191][   T12] ------------[ cut here ]------------
| [   88.554356][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   88.554639][   T12] Modules linked in: xfrm_user nf_tables
| [   88.555672][   T12] Tainted: [W]=WARN
[   88.555855][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.556092][   T12] Workqueue: netns cleanup_net
[   88.556314][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.556567][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.557118][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   88.557367][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc65700 RCX: 1ff4000000018eed
[   88.557644][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc657bc
[   88.557968][   T12] RBP: ff110000087cc000 R08: 1fe2200001f8caf9 R09: ff11000001aed1d0
[   88.558236][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   88.558510][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.558796][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   88.559092][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.559336][   T12] CR2: 00007fe7e19b8574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   88.559613][   T12] PKRU: 55555554
[   88.559805][   T12] Call Trace:
[   88.560020][   T12]  <TASK>
[   88.560215][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.560531][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.560822][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   88.561078][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   88.561346][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.561607][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   88.561875][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.562110][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   88.562349][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.562515][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.562702][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.562871][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.563037][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.563203][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.563380][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.563553][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.563736][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.563901][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.564069][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.564242][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.564417][   T12]  kthread (kernel/kthread.c:436)
[   88.564561][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.564797][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.564960][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.565125][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.565327][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.565495][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.565681][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.568131][   T12] ------------[ cut here ]------------
| [   88.568298][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   88.568585][   T12] Modules linked in: xfrm_user nf_tables
| [   88.569566][   T12] Tainted: [W]=WARN
[   88.569760][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.570000][   T12] Workqueue: netns cleanup_net
[   88.570216][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.570473][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.571001][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   88.571244][   T12] RAX: 00000000ffffffa6 RBX: ff11000012147e00 RCX: 1ff4000000018eed
[   88.571528][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012147ebc
[   88.571806][   T12] RBP: ff110000092a9000 R08: 1fe2200002428fd9 R09: ff11000001aed1d0
[   88.572073][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   88.572349][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.572627][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   88.572936][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.573175][   T12] CR2: 00007fe7e19b8574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   88.573453][   T12] PKRU: 55555554
[   88.573637][   T12] Call Trace:
[   88.573830][   T12]  <TASK>
[   88.573984][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.574268][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.574561][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   88.574845][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   88.575107][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.575372][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   88.575601][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.575811][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   88.575980][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.576143][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.576320][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.576489][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.576681][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.576848][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.577014][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.577183][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.577363][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.577532][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.577719][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.577919][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.578085][   T12]  kthread (kernel/kthread.c:436)
[   88.578251][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.578456][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.578631][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.578811][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.579008][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.579173][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.579355][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.581816][   T12] ------------[ cut here ]------------
| [   88.581974][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   88.582247][   T12] Modules linked in: xfrm_user nf_tables
| [   88.583169][   T12] Tainted: [W]=WARN
[   88.583357][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.583603][   T12] Workqueue: netns cleanup_net
[   88.583832][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.584078][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.584601][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   88.584866][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cd40200 RCX: 1ff4000000018eed
[   88.585131][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd402bc
[   88.585405][   T12] RBP: ff110000058d4000 R08: 1fe22000019a8059 R09: ff11000001aed1d0
[   88.585694][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   88.585957][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.586227][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   88.586538][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.586793][   T12] CR2: 00007fe7e19b8574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   88.587060][   T12] PKRU: 55555554
[   88.587237][   T12] Call Trace:
[   88.587421][   T12]  <TASK>
[   88.587577][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.587834][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.588070][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   88.588290][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   88.588504][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.588734][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   88.588946][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.589157][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   88.589376][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.589593][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.589821][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.590031][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.590241][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.590459][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.590691][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.590902][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.591115][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.591330][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.591555][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.591814][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.592072][   T12]  kthread (kernel/kthread.c:436)
[   88.592321][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.592586][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.592761][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.592928][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.593124][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.593297][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.593467][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.619564][   T12] ------------[ cut here ]------------
| [   88.619747][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   88.620042][   T12] Modules linked in: xfrm_user nf_tables
| [   88.620556][   T12] Tainted: [W]=WARN
[   88.620950][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.621185][   T12] Workqueue: netns cleanup_net
[   88.621369][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.621594][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.622121][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   88.622335][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cd403c0 RCX: 1ff4000000018eaf
[   88.622575][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd4047c
[   88.622818][   T12] RBP: ff110000087f1000 R08: 1fe22000019a8091 R09: ff11000001aed1d0
[   88.623051][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   88.623303][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013a64000
[   88.623542][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   88.623831][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.624033][   T12] CR2: 00007fe7e19b8574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   88.624276][   T12] PKRU: 55555554
[   88.624416][   T12] Call Trace:
[   88.624562][   T12]  <TASK>
[   88.624687][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.624863][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.625038][   T12]  netif_close_many (net/core/dev.c:1804)
[   88.625211][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.625391][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.625574][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.625760][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   88.625934][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   88.626136][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   88.626348][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.626523][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.626737][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.626913][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.627082][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   88.627293][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   88.627469][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   88.627668][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   88.627851][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   88.628022][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   88.628198][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   88.628383][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.628561][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.628750][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.628920][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.629091][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.629272][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.629443][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.629627][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.629816][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.629986][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.630162][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.630341][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.630516][   T12]  kthread (kernel/kthread.c:436)
[   88.630671][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.630874][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.631046][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.631218][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.631429][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.631609][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.631794][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.635625][   T12] ------------[ cut here ]------------
| [   88.635801][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   88.636090][   T12] Modules linked in: xfrm_user nf_tables
| [   88.636608][   T12] Tainted: [W]=WARN
[   88.636762][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.636964][   T12] Workqueue: netns cleanup_net
[   88.637138][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.637356][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.637870][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   88.638073][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc658c0 RCX: 1ff4000000018eaf
[   88.638308][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc6597c
[   88.638549][   T12] RBP: ff11000013a64000 R08: 1fe2200001f8cb31 R09: ff11000001aed1d0
[   88.638793][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   88.639024][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005859000
[   88.639266][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   88.639533][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.639749][   T12] CR2: 00007fe7e19b8574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   88.639985][   T12] PKRU: 55555554
[   88.640124][   T12] Call Trace:
[   88.640269][   T12]  <TASK>
[   88.640381][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.640561][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   88.640750][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.640893][   T12]  netif_close_many (net/core/dev.c:1804)
[   88.641064][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.641233][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.641412][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.641592][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   88.641776][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   88.641979][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   88.642215][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.642398][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.642607][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.642792][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.642963][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   88.643166][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   88.643350][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   88.643529][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   88.643718][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   88.643890][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   88.644064][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   88.644236][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.644413][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.644596][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.644783][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.644954][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.645127][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.645305][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.645479][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.645672][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.645845][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.646024][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.646201][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.646380][   T12]  kthread (kernel/kthread.c:436)
[   88.646526][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.646742][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.646915][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.647088][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.647299][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.647470][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.647647][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.650885][   T12] ------------[ cut here ]------------
| [   88.651054][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   88.651352][   T12] Modules linked in: xfrm_user nf_tables
| [   88.652351][   T12] Tainted: [W]=WARN
[   88.652551][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.652825][   T12] Workqueue: netns cleanup_net
[   88.653054][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.653320][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.653880][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   88.654131][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a3d6740 RCX: 1ff4000000018eaf
[   88.654414][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a3d67fc
[   88.654713][   T12] RBP: ff11000005859000 R08: 1fe220000147ad01 R09: ff11000001aed1d0
[   88.654996][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   88.655285][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   88.655570][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   88.655894][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.656149][   T12] CR2: 00007fe7e19b8574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   88.656440][   T12] PKRU: 55555554
[   88.656635][   T12] Call Trace:
[   88.656836][   T12]  <TASK>
[   88.656998][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.657219][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   88.657447][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.657648][   T12]  netif_close_many (net/core/dev.c:1804)
[   88.657928][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.658146][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.658458][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.658829][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   88.659000][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   88.659206][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   88.659420][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.659605][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.659819][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.659990][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.660160][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   88.660369][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   88.660550][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   88.660768][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   88.660940][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   88.661111][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   88.661290][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   88.661464][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.661646][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.661838][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.662013][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.662185][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.662365][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.662554][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.662739][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.662915][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.663086][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.663276][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.663453][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.663632][   T12]  kthread (kernel/kthread.c:436)
[   88.663786][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.663988][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.664169][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.664351][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.664564][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.664750][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.664922][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.667517][   T12] ------------[ cut here ]------------
| [   88.667697][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   88.667976][   T12] Modules linked in: xfrm_user nf_tables
| [   88.668472][   T12] Tainted: [W]=WARN
[   88.668612][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.669484][   T12] Workqueue: netns cleanup_net
[   88.669722][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.669972][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.670497][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   88.670789][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a3d7540 RCX: 1ff4000000018ed5
[   88.671059][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a3d75fc
[   88.671334][   T12] RBP: ff110000087f1000 R08: 1fe220000147aec1 R09: ff11000001aed1d0
[   88.671623][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   88.671898][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.672171][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   88.672478][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.672735][   T12] CR2: 00007fe7e19b8574 CR3: 000000004994d002 CR4: 0000000000771ef0
[   88.673008][   T12] PKRU: 55555554
[   88.673188][   T12] Call Trace:
[   88.673377][   T12]  <TASK>
[   88.673541][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.673805][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.674061][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.674286][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.674503][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   88.674767][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   88.674981][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   88.675194][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   88.675411][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   88.675630][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   88.675857][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.676066][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.676291][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.676507][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.676805][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.677056][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.677345][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.677565][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.677833][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.678013][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.678183][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.678362][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.678538][   T12]  kthread (kernel/kthread.c:436)
[   88.678690][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.678884][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.679051][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.679221][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.679423][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.679596][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.679776][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.684014][   T12] ------------[ cut here ]------------
| [   88.684146][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   88.684385][   T12] Modules linked in: xfrm_user nf_tables
| [   88.684792][   T12] Tainted: [W]=WARN
[   88.684882][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.685030][   T12] Workqueue: netns cleanup_net
[   88.685153][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.685320][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.685755][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   88.685906][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b885a80 RCX: 1ff4000000018ed5
[   88.686082][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b885b3c
[   88.686266][   T12] RBP: ff11000013a64000 R08: 1fe2200001710b69 R09: ff11000001aed1d0
[   88.686442][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   88.686626][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.686810][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   88.687019][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.687178][   T12] CR2: 00007fa66b1be668 CR3: 000000001259c002 CR4: 0000000000771ef0
[   88.687361][   T12] PKRU: 55555554
[   88.687452][   T12] Call Trace:
[   88.687542][   T12]  <TASK>
[   88.687608][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.687768][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.687916][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.688035][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.688154][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   88.688313][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   88.688434][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   88.688558][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   88.688685][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   88.688805][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   88.688924][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.689042][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.689162][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.689287][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.689406][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.689530][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.689646][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.689771][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.689892][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.690011][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.690135][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.690267][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.690387][   T12]  kthread (kernel/kthread.c:436)
[   88.690478][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.690632][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.690757][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.690875][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.691024][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.691144][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.691272][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.693689][   T12] ------------[ cut here ]------------
| [   88.693808][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   88.694043][   T12] Modules linked in: xfrm_user nf_tables
| [   88.694441][   T12] Tainted: [W]=WARN
[   88.694534][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.694765][   T12] Workqueue: netns cleanup_net
[   88.694897][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.695059][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.695485][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   88.695640][   T12] RAX: 00000000ffffffa6 RBX: ff110000095a6740 RCX: 1ff4000000018ed5
[   88.695885][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095a67fc
[   88.696063][   T12] RBP: ff11000005859000 R08: 1fe22000012b4d01 R09: ff11000001aed1d0
[   88.696240][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   88.696431][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.696618][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   88.696889][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.697041][   T12] CR2: 00007fa66b1be668 CR3: 000000001259c002 CR4: 0000000000771ef0
[   88.697219][   T12] PKRU: 55555554
[   88.697314][   T12] Call Trace:
[   88.697403][   T12]  <TASK>
[   88.697465][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.697622][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.697835][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.697953][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.698073][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   88.698227][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   88.698354][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   88.698474][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   88.698596][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   88.698780][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   88.698902][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.699023][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.699146][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.699271][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.699390][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.699512][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.699630][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.699815][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.699939][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.700059][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.700183][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.700312][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.700429][   T12]  kthread (kernel/kthread.c:436)
[   88.700522][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.700734][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.700854][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.700974][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.701124][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.701242][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.701366][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.743648][   T12] ------------[ cut here ]------------
| [   88.743788][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   88.744021][   T12] Modules linked in: xfrm_user nf_tables
| [   88.744419][   T12] Tainted: [W]=WARN
[   88.744514][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.744672][   T12] Workqueue: netns cleanup_net
[   88.744794][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.744949][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.745369][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   88.745525][   T12] RAX: 00000000ffffffa6 RBX: ff110000095a7540 RCX: 1ff4000000018eed
[   88.745709][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095a75fc
[   88.745886][   T12] RBP: ff1100000a3c4000 R08: 1fe22000012b4ec1 R09: ff11000001aed1d0
[   88.746061][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   88.746237][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.746415][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   88.746623][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.746776][   T12] CR2: 00007fa66b1be668 CR3: 000000004994d004 CR4: 0000000000771ef0
[   88.746955][   T12] PKRU: 55555554
[   88.747042][   T12] Call Trace:
[   88.747130][   T12]  <TASK>
[   88.747192][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.747346][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.747491][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   88.747611][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   88.747738][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.747855][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   88.747974][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.748093][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   88.748216][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.748339][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.748459][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.748579][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.748701][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.748820][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.748937][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.749056][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.749177][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.749302][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.749424][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.749546][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.749669][   T12]  kthread (kernel/kthread.c:436)
[   88.749757][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.749904][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.750020][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.750137][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.750289][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.750406][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.750527][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.752704][   T12] ------------[ cut here ]------------
| [   88.752828][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   88.753060][   T12] Modules linked in: xfrm_user nf_tables
| [   88.753445][   T12] Tainted: [W]=WARN
[   88.753536][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.753691][   T12] Workqueue: netns cleanup_net
[   88.753814][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.753965][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.754382][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   88.754531][   T12] RAX: 00000000ffffffa6 RBX: ff110000095a7c40 RCX: 1ff4000000018eed
[   88.754711][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095a7cfc
[   88.754883][   T12] RBP: ff1100000f8bc000 R08: 1fe22000012b4fa1 R09: ff11000001aed1d0
[   88.755063][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   88.755236][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.755417][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   88.755626][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.755776][   T12] CR2: 00007fa66b1be668 CR3: 000000004994d004 CR4: 0000000000771ef0
[   88.755952][   T12] PKRU: 55555554
[   88.756038][   T12] Call Trace:
[   88.756126][   T12]  <TASK>
[   88.756188][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.756348][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.756491][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   88.756612][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   88.756733][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.756848][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   88.756965][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.757084][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   88.757202][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.757321][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.757440][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.757560][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.757681][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.757803][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.757918][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.758036][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.758156][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.758276][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.758397][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.758518][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.758637][   T12]  kthread (kernel/kthread.c:436)
[   88.758731][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.758876][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.758993][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.759109][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.759256][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.759379][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.759496][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.761658][   T12] ------------[ cut here ]------------
| [   88.761774][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   88.761999][   T12] Modules linked in: xfrm_user nf_tables
| [   88.762393][   T12] Tainted: [W]=WARN
[   88.762480][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.762628][   T12] Workqueue: netns cleanup_net
[   88.762752][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.762902][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.763322][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   88.763467][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc65c40 RCX: 1ff4000000018eed
[   88.763644][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc65cfc
[   88.763824][   T12] RBP: ff1100000e434000 R08: 1fe2200001f8cba1 R09: ff11000001aed1d0
[   88.763998][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   88.764175][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.764355][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   88.764563][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.764714][   T12] CR2: 00007fa66b1be668 CR3: 000000004994d004 CR4: 0000000000771ef0
[   88.764889][   T12] PKRU: 55555554
[   88.764976][   T12] Call Trace:
[   88.765064][   T12]  <TASK>
[   88.765124][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.765275][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.765421][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   88.765545][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   88.765665][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.765785][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   88.765903][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.766020][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   88.766143][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.766263][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.766383][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.766499][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.766618][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.766742][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.766858][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.766976][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.767097][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.767216][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.767343][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.767463][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.767582][   T12]  kthread (kernel/kthread.c:436)
[   88.767675][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.767818][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.767934][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.768058][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.768203][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.768329][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.768445][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.770405][   T12] ------------[ cut here ]------------
| [   88.770525][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   88.770755][   T12] Modules linked in: xfrm_user nf_tables
| [   88.771133][   T12] Tainted: [W]=WARN
[   88.771219][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.771369][   T12] Workqueue: netns cleanup_net
[   88.771491][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.771645][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.772091][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   88.772236][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fc65380 RCX: 1ff4000000018eed
[   88.772411][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc6543c
[   88.772586][   T12] RBP: ff11000010afc000 R08: 1fe2200001f8ca89 R09: ff11000001aed1d0
[   88.772770][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   88.772942][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.773117][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   88.773324][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.773471][   T12] CR2: 00007fa66b1be668 CR3: 000000004994d004 CR4: 0000000000771ef0
[   88.773648][   T12] PKRU: 55555554
[   88.773739][   T12] Call Trace:
[   88.773826][   T12]  <TASK>
[   88.773887][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.774034][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.774178][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   88.774298][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   88.774417][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.774535][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   88.774657][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.774774][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   88.774891][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.775007][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.775131][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.775249][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.775374][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.775493][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.775612][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.775734][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.775854][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.775970][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.776092][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.776215][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.776334][   T12]  kthread (kernel/kthread.c:436)
[   88.776421][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.776567][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.776693][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.776811][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.776957][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.777075][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.777191][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.779138][   T12] ------------[ cut here ]------------
| [   88.779253][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   88.779485][   T12] Modules linked in: xfrm_user nf_tables
| [   88.779873][   T12] Tainted: [W]=WARN
[   88.779961][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.780108][   T12] Workqueue: netns cleanup_net
[   88.780230][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.780385][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.780807][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   88.780954][   T12] RAX: 00000000ffffffa6 RBX: ff110000121218c0 RCX: 1ff4000000018eed
[   88.781129][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001212197c
[   88.781307][   T12] RBP: ff110000090b1000 R08: 1fe2200002424331 R09: ff11000001aed1d0
[   88.781482][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   88.781660][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.781835][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   88.782036][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.782179][   T12] CR2: 00007fa66b1be668 CR3: 000000004994d004 CR4: 0000000000771ef0
[   88.782356][   T12] PKRU: 55555554
[   88.782443][   T12] Call Trace:
[   88.782540][   T12]  <TASK>
[   88.782600][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.782753][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.782896][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   88.783013][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   88.783130][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.783245][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   88.783365][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.783485][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   88.783609][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.783730][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.783848][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.783965][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.784082][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.784199][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.784321][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.784440][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.784563][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.784686][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.784810][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.784931][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.785048][   T12]  kthread (kernel/kthread.c:436)
[   88.785141][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.785293][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.785409][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.785529][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.785679][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.785796][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.785918][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.804181][   T12] ------------[ cut here ]------------
| [   88.804318][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   88.804563][   T12] Modules linked in: xfrm_user nf_tables
| [   88.804976][   T12] Tainted: [W]=WARN
[   88.805069][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.805222][   T12] Workqueue: netns cleanup_net
[   88.805352][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.805513][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.806158][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   88.806319][   T12] RAX: 00000000ffffffa6 RBX: ff11000012121c40 RCX: 1ff4000000018eaf
[   88.806505][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012121cfc
[   88.806739][   T12] RBP: ff1100000e809000 R08: 1fe22000024243a1 R09: ff11000001aed1d0
[   88.806921][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   88.807103][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000092bc000
[   88.807294][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   88.807511][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.807713][   T12] CR2: 00007fa66b1be668 CR3: 000000004994d004 CR4: 0000000000771ef0
[   88.807897][   T12] PKRU: 55555554
[   88.807988][   T12] Call Trace:
[   88.808128][   T12]  <TASK>
[   88.808194][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.808323][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.808417][   T12]  netif_close_many (net/core/dev.c:1804)
[   88.808543][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.808713][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.808835][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.808957][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   88.809080][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   88.809235][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   88.809391][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.809515][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.809714][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.809835][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.809956][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   88.810107][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   88.810233][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   88.810362][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   88.810484][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   88.810610][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   88.810783][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   88.810908][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.811028][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.811155][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.811285][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.811406][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.811533][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.811709][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.811834][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.811960][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.812080][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.812208][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.812339][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.812462][   T12]  kthread (kernel/kthread.c:436)
[   88.812558][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.812760][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.812883][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.813006][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.813161][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.813289][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.813411][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.817116][   T12] ------------[ cut here ]------------
| [   88.817240][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   88.817488][   T12] Modules linked in: xfrm_user nf_tables
| [   88.817901][   T12] Tainted: [W]=WARN
[   88.817995][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.818149][   T12] Workqueue: netns cleanup_net
[   88.818281][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.818439][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.819379][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   88.819539][   T12] RAX: 00000000ffffffa6 RBX: ff110000154d9e00 RCX: 1ff4000000018eaf
[   88.819771][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000154d9ebc
[   88.819953][   T12] RBP: ff110000092bc000 R08: 1fe2200002a9b3d9 R09: ff11000001aed1d0
[   88.820137][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   88.820325][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014cd9000
[   88.820530][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   88.820794][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.820948][   T12] CR2: 00007fa66b1be668 CR3: 000000004994d004 CR4: 0000000000771ef0
[   88.821133][   T12] PKRU: 55555554
[   88.821224][   T12] Call Trace:
[   88.821321][   T12]  <TASK>
[   88.821385][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.821562][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   88.821734][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.821829][   T12]  netif_close_many (net/core/dev.c:1804)
[   88.821951][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.822073][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.822194][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.822323][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   88.822446][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   88.822602][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   88.822805][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.822928][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.823081][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.823203][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.823331][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   88.823485][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   88.823614][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   88.823796][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   88.823919][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   88.824043][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   88.824166][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   88.824296][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.824417][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.824545][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.824719][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.824842][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.824966][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.825090][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.825213][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.825346][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.825468][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.825597][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.825779][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.825902][   T12]  kthread (kernel/kthread.c:436)
[   88.825996][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.826149][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.826275][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.826399][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.826556][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.826727][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.826851][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.829818][   T12] ------------[ cut here ]------------
| [   88.829944][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   88.830184][   T12] Modules linked in: xfrm_user nf_tables
| [   88.830598][   T12] Tainted: [W]=WARN
[   88.830695][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.830848][   T12] Workqueue: netns cleanup_net
[   88.830974][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.831133][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.831575][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   88.831735][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e928580 RCX: 1ff4000000018eaf
[   88.831918][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e92863c
[   88.832101][   T12] RBP: ff11000014cd9000 R08: 1fe2200001d250c9 R09: ff11000001aed1d0
[   88.832290][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   88.832475][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   88.832667][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   88.832886][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.833038][   T12] CR2: 00007fa66b1be668 CR3: 000000004994d004 CR4: 0000000000771ef0
[   88.833222][   T12] PKRU: 55555554
[   88.833319][   T12] Call Trace:
[   88.833414][   T12]  <TASK>
[   88.833482][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.833609][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   88.833789][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.833884][   T12]  netif_close_many (net/core/dev.c:1804)
[   88.834007][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.834128][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.834250][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.834379][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   88.834506][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   88.834709][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   88.834911][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.835033][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.835185][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.835313][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.835435][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   88.835593][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   88.835789][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   88.835914][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   88.836037][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   88.836159][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   88.836289][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   88.836412][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.836536][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.836904][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.837029][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.837151][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.837281][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.837404][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.837531][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.837743][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.837867][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.837993][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.838120][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.838243][   T12]  kthread (kernel/kthread.c:436)
[   88.838340][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.838493][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.838618][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.838857][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.839010][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.839136][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.839268][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.841421][   T12] ------------[ cut here ]------------
| [   88.841556][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   88.841799][   T12] Modules linked in: xfrm_user nf_tables
| [   88.842191][   T12] Tainted: [W]=WARN
[   88.842284][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.842441][   T12] Workqueue: netns cleanup_net
[   88.842567][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.842725][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.843154][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   88.843310][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e929380 RCX: 1ff4000000018ed5
[   88.843485][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e92943c
[   88.843667][   T12] RBP: ff1100000e809000 R08: 1fe2200001d25289 R09: ff11000001aed1d0
[   88.843844][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   88.844020][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.844198][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   88.844410][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.844562][   T12] CR2: 00007ffe3bb9fb28 CR3: 000000000e4bb006 CR4: 0000000000771ef0
[   88.844747][   T12] PKRU: 55555554
[   88.844835][   T12] Call Trace:
[   88.844923][   T12]  <TASK>
[   88.844984][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.845135][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.845288][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.845404][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.845526][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   88.845684][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   88.845805][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   88.845923][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   88.846046][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   88.846167][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   88.846293][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.846413][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.846537][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.846662][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.846780][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.846899][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.847017][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.847135][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.847257][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.847380][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.847506][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.847628][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.847749][   T12]  kthread (kernel/kthread.c:436)
[   88.847837][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.847982][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.848100][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.848222][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.848374][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.848492][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.848613][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.850895][   T12] ------------[ cut here ]------------
| [   88.851014][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   88.851242][   T12] Modules linked in: xfrm_user nf_tables
| [   88.851645][   T12] Tainted: [W]=WARN
[   88.851762][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.851908][   T12] Workqueue: netns cleanup_net
[   88.852037][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.852197][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.852625][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   88.852795][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e929c40 RCX: 1ff4000000018ed5
[   88.852974][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e929cfc
[   88.853152][   T12] RBP: ff110000092bc000 R08: 1fe2200001d253a1 R09: ff11000001aed1d0
[   88.853331][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   88.853509][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.853690][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   88.853899][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.854048][   T12] CR2: 00007ffe3bb9fb28 CR3: 000000000e4bb006 CR4: 0000000000771ef0
[   88.854226][   T12] PKRU: 55555554
[   88.854321][   T12] Call Trace:
[   88.854409][   T12]  <TASK>
[   88.854474][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.854627][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.854777][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.854895][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.855014][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   88.855168][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   88.855295][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   88.855412][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   88.855533][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   88.855656][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   88.855777][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.855895][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.856016][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.856136][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.856256][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.856381][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.856499][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.856623][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.856750][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.856867][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.856999][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.857124][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.857241][   T12]  kthread (kernel/kthread.c:436)
[   88.857336][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.857484][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.857605][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.857727][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.857873][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.857995][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.858113][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.860484][   T12] ------------[ cut here ]------------
| [   88.860607][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   88.861370][   T12] Modules linked in: xfrm_user nf_tables
| [   88.861814][   T12] Tainted: [W]=WARN
[   88.861903][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.862050][   T12] Workqueue: netns cleanup_net
[   88.862172][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.862332][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.862804][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   88.862952][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c8be900 RCX: 1ff4000000018ed5
[   88.863130][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c8be9bc
[   88.863309][   T12] RBP: ff11000014cd9000 R08: 1fe2200001917d39 R09: ff11000001aed1d0
[   88.863484][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   88.863712][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.863891][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   88.864099][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.864262][   T12] CR2: 00007ffe3bb9fb28 CR3: 000000004994d004 CR4: 0000000000771ef0
[   88.864445][   T12] PKRU: 55555554
[   88.864536][   T12] Call Trace:
[   88.864624][   T12]  <TASK>
[   88.864734][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.864888][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.865035][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.865156][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.865284][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   88.865436][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   88.865561][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   88.865729][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   88.865848][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   88.865969][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   88.866093][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.866211][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.866335][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.866455][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.866573][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.866737][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.866856][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.866976][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.867100][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.867219][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.867348][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.867470][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.867592][   T12]  kthread (kernel/kthread.c:436)
[   88.867729][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.867877][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.867997][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.868117][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.868270][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.868388][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.868510][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.921409][   T12] ------------[ cut here ]------------
| [   88.921545][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   88.921793][   T12] Modules linked in: xfrm_user nf_tables
| [   88.922181][   T12] Tainted: [W]=WARN
[   88.922276][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.922420][   T12] Workqueue: netns cleanup_net
[   88.922542][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.922708][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.923124][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   88.923279][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d68fa80 RCX: 1ff4000000018eed
[   88.923453][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68fb3c
[   88.923628][   T12] RBP: ff1100000e99c000 R08: 1fe2200001ad1f69 R09: ff11000001aed1d0
[   88.923809][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   88.923985][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.924164][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   88.924374][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.924524][   T12] CR2: 00007ffe3bb9fb28 CR3: 000000004994d004 CR4: 0000000000771ef0
[   88.924709][   T12] PKRU: 55555554
[   88.924798][   T12] Call Trace:
[   88.924885][   T12]  <TASK>
[   88.924947][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.925096][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.925244][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   88.925372][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   88.925490][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.925614][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   88.925740][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.925859][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   88.925976][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.926092][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.926215][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.926341][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.926461][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.926583][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.926707][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.926825][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.926947][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.927063][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.927184][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.927310][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.927427][   T12]  kthread (kernel/kthread.c:436)
[   88.927515][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.927669][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.927788][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.927904][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.928050][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.928171][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.928296][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.930466][   T12] ------------[ cut here ]------------
| [   88.930589][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   88.931097][   T12] Modules linked in: xfrm_user nf_tables
| [   88.931495][   T12] Tainted: [W]=WARN
[   88.931586][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.931793][   T12] Workqueue: netns cleanup_net
[   88.931915][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.932067][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.932488][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   88.932639][   T12] RAX: 00000000ffffffa6 RBX: ff11000012a38e40 RCX: 1ff4000000018eed
[   88.932909][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012a38efc
[   88.933087][   T12] RBP: ff1100000d661000 R08: 1fe22000025471e1 R09: ff11000001aed1d0
[   88.933299][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   88.933473][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.933661][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   88.933869][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.934012][   T12] CR2: 00007ffe3bb9fb28 CR3: 000000004994d004 CR4: 0000000000771ef0
[   88.934188][   T12] PKRU: 55555554
[   88.934281][   T12] Call Trace:
[   88.934368][   T12]  <TASK>
[   88.934429][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.934583][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.934733][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   88.934850][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   88.934969][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.935087][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   88.935204][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.935328][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   88.935449][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.935568][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.935692][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.935810][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.935925][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.936042][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.936158][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.936285][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.936403][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.936522][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.936642][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.936768][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.936885][   T12]  kthread (kernel/kthread.c:436)
[   88.936973][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.937121][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.937237][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.937360][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.937508][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.937624][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.937750][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.939927][   T12] ------------[ cut here ]------------
| [   88.940046][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   88.940282][   T12] Modules linked in: xfrm_user nf_tables
| [   88.941097][   T12] Tainted: [W]=WARN
[   88.941232][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.941385][   T12] Workqueue: netns cleanup_net
[   88.941510][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.941711][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.942124][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   88.942275][   T12] RAX: 00000000ffffffa6 RBX: ff11000012a38580 RCX: 1ff4000000018eed
[   88.942450][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012a3863c
[   88.942631][   T12] RBP: ff11000009704000 R08: 1fe22000025470c9 R09: ff11000001aed1d0
[   88.942849][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   88.943027][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.943202][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   88.943409][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.943560][   T12] CR2: 00007ffe3bb9fb28 CR3: 000000004994d004 CR4: 0000000000771ef0
[   88.943782][   T12] PKRU: 55555554
[   88.943869][   T12] Call Trace:
[   88.943956][   T12]  <TASK>
[   88.944017][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.944167][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.944316][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   88.944433][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   88.944556][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.944719][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   88.944836][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.944953][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   88.945070][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.945197][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.945323][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.945439][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.945566][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.945731][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.945847][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.945965][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.946086][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.946203][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.946329][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.946449][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.946573][   T12]  kthread (kernel/kthread.c:436)
[   88.946705][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.946848][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.946964][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.947084][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.947233][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.947357][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.947474][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.950363][   T12] ------------[ cut here ]------------
| [   88.950541][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   88.950802][   T12] Modules linked in: xfrm_user nf_tables
| [   88.951188][   T12] Tainted: [W]=WARN
[   88.951283][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.951426][   T12] Workqueue: netns cleanup_net
[   88.951554][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.951713][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.952123][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   88.952273][   T12] RAX: 00000000ffffffa6 RBX: ff11000012a39000 RCX: 1ff4000000018eed
[   88.952457][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012a390bc
[   88.952630][   T12] RBP: ff1100000f98c000 R08: 1fe2200002547219 R09: ff11000001aed1d0
[   88.952813][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   88.952986][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.953158][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   88.953365][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.953513][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000e4bb003 CR4: 0000000000771ef0
[   88.953692][   T12] PKRU: 55555554
[   88.953778][   T12] Call Trace:
[   88.953869][   T12]  <TASK>
[   88.953929][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.954076][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.954220][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   88.954343][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   88.954461][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.954579][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   88.954750][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.954871][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   88.954990][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.955105][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.955225][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.955352][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.955467][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.955587][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.955752][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.955869][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.956034][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.956150][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.956277][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.956397][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.956515][   T12]  kthread (kernel/kthread.c:436)
[   88.956607][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.956797][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.956913][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.957029][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.957176][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.957297][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.957414][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.959549][   T12] ------------[ cut here ]------------
| [   88.959678][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   88.959906][   T12] Modules linked in: xfrm_user nf_tables
| [   88.960295][   T12] Tainted: [W]=WARN
[   88.960382][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.960530][   T12] Workqueue: netns cleanup_net
[   88.960657][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.960808][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.961224][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   88.961381][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f931700 RCX: 1ff4000000018eed
[   88.961556][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f9317bc
[   88.961733][   T12] RBP: ff11000014c84000 R08: 1fe2200001f262f9 R09: ff11000001aed1d0
[   88.961906][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   88.962084][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   88.962267][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   88.962470][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.962618][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000e4bb003 CR4: 0000000000771ef0
[   88.962796][   T12] PKRU: 55555554
[   88.962884][   T12] Call Trace:
[   88.962976][   T12]  <TASK>
[   88.963035][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   88.963183][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.963333][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   88.963449][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   88.963571][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.963692][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   88.963808][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.963925][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   88.964043][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.964157][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.964280][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.964396][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.964512][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.964630][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.964750][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.964870][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.964993][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.965109][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.965234][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.965358][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.965471][   T12]  kthread (kernel/kthread.c:436)
[   88.965562][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.965711][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.965826][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.965944][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.966093][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.966207][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.966333][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.977829][   T12] ------------[ cut here ]------------
| [   88.977966][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   88.978207][   T12] Modules linked in: xfrm_user nf_tables
| [   88.978634][   T12] Tainted: [W]=WARN
[   88.979193][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.979405][   T12] Workqueue: netns cleanup_net
[   88.979537][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.979744][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.980176][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   88.980333][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f9318c0 RCX: 1ff4000000018eaf
[   88.980527][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f93197c
[   88.980766][   T12] RBP: ff11000012bd4000 R08: 1fe2200001f26331 R09: ff11000001aed1d0
[   88.980947][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   88.981127][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f2b9000
[   88.981314][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   88.981531][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.981734][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d005 CR4: 0000000000771ef0
[   88.981915][   T12] PKRU: 55555554
[   88.982006][   T12] Call Trace:
[   88.982097][   T12]  <TASK>
[   88.982160][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.982289][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.982384][   T12]  netif_close_many (net/core/dev.c:1804)
[   88.982509][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.982631][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.982800][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.982921][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   88.983042][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   88.983193][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   88.983354][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.983478][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.983630][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.983800][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.983920][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   88.984081][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   88.984204][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   88.984332][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   88.984455][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   88.984581][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   88.984755][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   88.984879][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.985000][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.985124][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.985246][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.985371][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.985496][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.985620][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.985793][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.985918][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.986038][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.986169][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.986300][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.986423][   T12]  kthread (kernel/kthread.c:436)
[   88.986515][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.986717][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.986838][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.986959][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.987112][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.987234][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.987361][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   88.990177][   T12] ------------[ cut here ]------------
| [   88.990304][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   88.990545][   T12] Modules linked in: xfrm_user nf_tables
| [   88.991096][   T12] Tainted: [W]=WARN
[   88.991187][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   88.991344][   T12] Workqueue: netns cleanup_net
[   88.991469][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   88.991630][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   88.992115][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   88.992272][   T12] RAX: 00000000ffffffa6 RBX: ff11000010920040 RCX: 1ff4000000018eaf
[   88.992454][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109200fc
[   88.992635][   T12] RBP: ff1100000f2b9000 R08: 1fe2200002124021 R09: ff11000001aed1d0
[   88.992869][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   88.993050][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f8e9000
[   88.993232][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   88.993451][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   88.993605][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d005 CR4: 0000000000771ef0
[   88.993840][   T12] PKRU: 55555554
[   88.993931][   T12] Call Trace:
[   88.994023][   T12]  <TASK>
[   88.994088][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   88.994209][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   88.994335][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   88.994428][   T12]  netif_close_many (net/core/dev.c:1804)
[   88.994729][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.994866][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.995037][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.995160][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   88.995290][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   88.995443][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   88.995601][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.995779][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   88.995932][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   88.996052][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   88.996173][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   88.996329][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   88.996453][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   88.996577][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   88.996751][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   88.996873][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   88.996995][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   88.997119][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   88.997238][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   88.997365][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   88.997486][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   88.997609][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   88.997782][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   88.997903][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   88.998027][   T12]  process_one_work (kernel/workqueue.c:3314)
[   88.998153][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   88.998280][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   88.998404][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   88.998533][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   88.998706][   T12]  kthread (kernel/kthread.c:436)
[   88.998798][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   88.998947][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.999067][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   88.999189][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   88.999346][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   88.999468][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   88.999595][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.004171][   T12] ------------[ cut here ]------------
| [   89.004310][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   89.004558][   T12] Modules linked in: xfrm_user nf_tables
| [   89.004972][   T12] Tainted: [W]=WARN
[   89.005065][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.005218][   T12] Workqueue: netns cleanup_net
[   89.005352][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.005514][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.005964][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   89.006119][   T12] RAX: 00000000ffffffa6 RBX: ff1100001211c740 RCX: 1ff4000000018eaf
[   89.006308][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001211c7fc
[   89.006493][   T12] RBP: ff1100000f8e9000 R08: 1fe2200002423901 R09: ff11000001aed1d0
[   89.006687][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   89.006869][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   89.007054][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   89.007273][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.007429][   T12] CR2: 00007ffe3bb9fb28 CR3: 000000004994d004 CR4: 0000000000771ef0
[   89.007617][   T12] PKRU: 55555554
[   89.007715][   T12] Call Trace:
[   89.007807][   T12]  <TASK>
[   89.007871][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.007992][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   89.008123][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.008217][   T12]  netif_close_many (net/core/dev.c:1804)
[   89.008345][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.008468][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.008594][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.008724][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   89.008853][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   89.009006][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   89.009161][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.009290][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.009443][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.009567][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.009694][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   89.009848][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   89.009974][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   89.010099][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   89.010223][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   89.010352][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   89.010477][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   89.010606][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.010735][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.010862][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.010987][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.011109][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.011235][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.011360][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.011491][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.011624][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.011753][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.011881][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.012008][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.012130][   T12]  kthread (kernel/kthread.c:436)
[   89.012223][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.012381][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.012509][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.012633][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.012802][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.012925][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.013049][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.015179][   T12] ------------[ cut here ]------------
| [   89.015305][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   89.015545][   T12] Modules linked in: xfrm_user nf_tables
| [   89.015945][   T12] Tainted: [W]=WARN
[   89.016035][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.016183][   T12] Workqueue: netns cleanup_net
[   89.016311][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.016468][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.016899][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   89.017049][   T12] RAX: 00000000ffffffa6 RBX: ff1100001211d540 RCX: 1ff4000000018ed5
[   89.017237][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001211d5fc
[   89.017420][   T12] RBP: ff11000012bd4000 R08: 1fe2200002423ac1 R09: ff11000001aed1d0
[   89.017600][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   89.017782][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.017967][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   89.018173][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.018327][   T12] CR2: 00007ffe3bb9fb28 CR3: 000000004994d004 CR4: 0000000000771ef0
[   89.018508][   T12] PKRU: 55555554
[   89.018598][   T12] Call Trace:
[   89.018692][   T12]  <TASK>
[   89.018756][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.018908][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.019057][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.019176][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.019299][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   89.019453][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   89.019574][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   89.019701][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   89.019820][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   89.019940][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   89.020061][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.020178][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.020303][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.020422][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.020544][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.020670][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.020788][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.020907][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.021032][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.021150][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.021278][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.021400][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.021523][   T12]  kthread (kernel/kthread.c:436)
[   89.021612][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.021764][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.021882][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.022001][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.022148][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.022274][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.022395][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.024710][   T12] ------------[ cut here ]------------
| [   89.024833][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   89.025068][   T12] Modules linked in: xfrm_user nf_tables
| [   89.025465][   T12] Tainted: [W]=WARN
[   89.025559][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.025715][   T12] Workqueue: netns cleanup_net
[   89.025842][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.025995][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.026423][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   89.026573][   T12] RAX: 00000000ffffffa6 RBX: ff1100001211de00 RCX: 1ff4000000018ed5
[   89.027511][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001211debc
[   89.027746][   T12] RBP: ff1100000f2b9000 R08: 1fe2200002423bd9 R09: ff11000001aed1d0
[   89.027925][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   89.028102][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.028287][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   89.028498][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.028703][   T12] CR2: 00007ffe3bb9fb28 CR3: 000000004994d004 CR4: 0000000000771ef0
[   89.028930][   T12] PKRU: 55555554
[   89.029018][   T12] Call Trace:
[   89.029105][   T12]  <TASK>
[   89.029168][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.029330][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.029477][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.029600][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.029764][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   89.029917][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   89.030038][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   89.030160][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   89.030284][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   89.030404][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   89.030528][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.030645][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.030815][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.030935][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.031064][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.031185][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.031310][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.031429][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.031554][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.031719][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.031842][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.031965][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.032087][   T12]  kthread (kernel/kthread.c:436)
[   89.032177][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.032328][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.032447][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.032569][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.032766][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.032885][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.033005][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.037620][   T12] ------------[ cut here ]------------
| [   89.037761][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   89.038003][   T12] Modules linked in: xfrm_user nf_tables
| [   89.038406][   T12] Tainted: [W]=WARN
[   89.038495][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.038647][   T12] Workqueue: netns cleanup_net
[   89.038778][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.038932][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.039365][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   89.039516][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f9b2ac0 RCX: 1ff4000000018ed5
[   89.039710][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f9b2b7c
[   89.039892][   T12] RBP: ff1100000f8e9000 R08: 1fe2200001f36571 R09: ff11000001aed1d0
[   89.040087][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   89.040269][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.040450][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   89.040666][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.040817][   T12] CR2: 00007f754dfa0574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   89.040996][   T12] PKRU: 55555554
[   89.041087][   T12] Call Trace:
[   89.041177][   T12]  <TASK>
[   89.041241][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.041403][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.041559][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.041685][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.041805][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   89.041959][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   89.042080][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   89.042201][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   89.042325][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   89.042449][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   89.042573][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.042694][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.042817][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.042937][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.043056][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.043178][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.043307][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.043429][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.043555][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.043688][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.043813][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.043936][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.044058][   T12]  kthread (kernel/kthread.c:436)
[   89.044148][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.044300][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.044421][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.044545][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.044698][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.044819][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.044943][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.078544][   T12] ------------[ cut here ]------------
| [   89.078683][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   89.078913][   T12] Modules linked in: xfrm_user nf_tables
| [   89.079310][   T12] Tainted: [W]=WARN
[   89.079402][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.079549][   T12] Workqueue: netns cleanup_net
[   89.079677][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.079828][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.080249][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   89.080407][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f9b38c0 RCX: 1ff4000000018eed
[   89.080593][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f9b397c
[   89.080803][   T12] RBP: ff1100000e944000 R08: 1fe2200001f36731 R09: ff11000001aed1d0
[   89.080975][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   89.081148][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.081328][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   89.081536][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.081687][   T12] CR2: 00007f754dfa0574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   89.081862][   T12] PKRU: 55555554
[   89.081949][   T12] Call Trace:
[   89.082037][   T12]  <TASK>
[   89.082098][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.082247][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.082399][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   89.082517][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   89.082634][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.082755][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   89.082873][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.082992][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   89.083110][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.083226][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.083356][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.083474][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.083592][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.083722][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.083837][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.083954][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.084073][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.084191][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.084318][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.084440][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.084560][   T12]  kthread (kernel/kthread.c:436)
[   89.084648][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.084803][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.084918][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.085035][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.085179][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.085299][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.085416][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.087582][   T12] ------------[ cut here ]------------
| [   89.087711][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   89.087936][   T12] Modules linked in: xfrm_user nf_tables
| [   89.088323][   T12] Tainted: [W]=WARN
[   89.088411][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.088560][   T12] Workqueue: netns cleanup_net
[   89.089218][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.089376][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.089824][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   89.089970][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f931540 RCX: 1ff4000000018eed
[   89.090143][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f9315fc
[   89.090324][   T12] RBP: ff1100000df29000 R08: 1fe2200001f262c1 R09: ff11000001aed1d0
[   89.090497][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   89.090681][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.090858][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   89.091061][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.091205][   T12] CR2: 00007f754dfa0574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   89.091386][   T12] PKRU: 55555554
[   89.091473][   T12] Call Trace:
[   89.091568][   T12]  <TASK>
[   89.091629][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.091781][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.091923][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   89.092038][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   89.092157][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.092278][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   89.092395][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.092515][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   89.092634][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.092753][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.092872][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.092988][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.093105][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.093223][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.093344][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.093466][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.093590][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.093712][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.093833][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.093960][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.094077][   T12]  kthread (kernel/kthread.c:436)
[   89.094164][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.094313][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.094429][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.094549][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.094696][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.094814][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.094931][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.097094][   T12] ------------[ cut here ]------------
| [   89.097210][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   89.097440][   T12] Modules linked in: xfrm_user nf_tables
| [   89.098249][   T12] Tainted: [W]=WARN
[   89.098392][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.098542][   T12] Workqueue: netns cleanup_net
[   89.098709][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.098860][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.099284][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   89.099431][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f930200 RCX: 1ff4000000018eed
[   89.099609][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f9302bc
[   89.099829][   T12] RBP: ff110000058cc000 R08: 1fe2200001f26059 R09: ff11000001aed1d0
[   89.100002][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   89.100186][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.100365][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   89.100570][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.100764][   T12] CR2: 00007f754dfa0574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   89.100943][   T12] PKRU: 55555554
[   89.101030][   T12] Call Trace:
[   89.101119][   T12]  <TASK>
[   89.101179][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.101332][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.101476][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   89.101596][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   89.101759][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.101874][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   89.101993][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.102111][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   89.102228][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.102350][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.102468][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.102589][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.102754][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.102872][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.102989][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.103105][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.103226][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.103349][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.103469][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.103593][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.103757][   T12]  kthread (kernel/kthread.c:436)
[   89.103846][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.103990][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.104106][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.104223][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.104374][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.104490][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.104610][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.107885][   T12] ------------[ cut here ]------------
| [   89.108029][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   89.108265][   T12] Modules linked in: xfrm_user nf_tables
| [   89.108658][   T12] Tainted: [W]=WARN
[   89.108746][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.108889][   T12] Workqueue: netns cleanup_net
[   89.109010][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.109169][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.109586][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   89.109745][   T12] RAX: 00000000ffffffa6 RBX: ff11000012a38c80 RCX: 1ff4000000018eed
[   89.109918][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012a38d3c
[   89.110092][   T12] RBP: ff110000098e4000 R08: 1fe22000025471a9 R09: ff11000001aed1d0
[   89.110272][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   89.110445][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.110624][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   89.110834][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.110980][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000f14e001 CR4: 0000000000771ef0
[   89.111153][   T12] PKRU: 55555554
[   89.111240][   T12] Call Trace:
[   89.111335][   T12]  <TASK>
[   89.111396][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.111546][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.111692][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   89.111808][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   89.111924][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.112039][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   89.112153][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.112272][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   89.112390][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.112507][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.112626][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.112789][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.112905][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.113020][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.113135][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.113253][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.113384][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.113498][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.113620][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.113747][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.113862][   T12]  kthread (kernel/kthread.c:436)
[   89.113949][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.114093][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.114210][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.114330][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.114474][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.114593][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.114714][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.116980][   T12] ------------[ cut here ]------------
| [   89.117150][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   89.117403][   T12] Modules linked in: xfrm_user nf_tables
| [   89.117803][   T12] Tainted: [W]=WARN
[   89.117890][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.118032][   T12] Workqueue: netns cleanup_net
[   89.118153][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.118308][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.118724][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   89.118867][   T12] RAX: 00000000ffffffa6 RBX: ff11000012a38ac0 RCX: 1ff4000000018eed
[   89.119042][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012a38b7c
[   89.119212][   T12] RBP: ff1100000b60c000 R08: 1fe2200002547171 R09: ff11000001aed1d0
[   89.119386][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   89.119559][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.119737][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   89.119941][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.120086][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000f14e001 CR4: 0000000000771ef0
[   89.120265][   T12] PKRU: 55555554
[   89.120352][   T12] Call Trace:
[   89.120437][   T12]  <TASK>
[   89.120497][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.120648][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.120798][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   89.120913][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   89.121030][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.121145][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   89.121266][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.121383][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   89.121498][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.121615][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.121744][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.121859][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.121973][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.122091][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.122205][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.122327][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.122444][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.122563][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.122688][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.122806][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.122921][   T12]  kthread (kernel/kthread.c:436)
[   89.123008][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.123151][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.123274][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.123390][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.123537][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.123656][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.123775][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.136643][   T12] ------------[ cut here ]------------
| [   89.136786][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   89.137026][   T12] Modules linked in: xfrm_user nf_tables
| [   89.137432][   T12] Tainted: [W]=WARN
[   89.137530][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.137690][   T12] Workqueue: netns cleanup_net
[   89.137816][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.137974][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.138416][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   89.138571][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f931380 RCX: 1ff4000000018eaf
[   89.138753][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f93143c
[   89.138933][   T12] RBP: ff11000012231000 R08: 1fe2200001f26289 R09: ff11000001aed1d0
[   89.139112][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   89.139298][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008f3c000
[   89.139478][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   89.139748][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.139902][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000f14e001 CR4: 0000000000771ef0
[   89.140088][   T12] PKRU: 55555554
[   89.140178][   T12] Call Trace:
[   89.140273][   T12]  <TASK>
[   89.140337][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.140460][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.140603][   T12]  netif_close_many (net/core/dev.c:1804)
[   89.140775][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.140900][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.141020][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.141141][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   89.141267][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   89.141419][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   89.141573][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.141742][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.141891][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.142011][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.142131][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   89.142288][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   89.142412][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   89.142537][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   89.142707][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   89.142828][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   89.142951][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   89.143075][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.143196][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.143327][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.143449][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.143571][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.143741][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.143861][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.143984][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.144110][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.144232][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.144362][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.144486][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.144610][   T12]  kthread (kernel/kthread.c:436)
[   89.144751][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.144902][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.145025][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.145148][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.145305][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.145425][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.145547][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.149019][   T12] ------------[ cut here ]------------
| [   89.149153][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   89.149400][   T12] Modules linked in: xfrm_user nf_tables
| [   89.149820][   T12] Tainted: [W]=WARN
[   89.149912][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.150064][   T12] Workqueue: netns cleanup_net
[   89.150189][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.150351][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.150792][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   89.150950][   T12] RAX: 00000000ffffffa6 RBX: ff11000010b9c200 RCX: 1ff4000000018eaf
[   89.151129][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010b9c2bc
[   89.151318][   T12] RBP: ff11000008f3c000 R08: 1fe2200002173859 R09: ff11000001aed1d0
[   89.151498][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   89.151686][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014c31000
[   89.151868][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   89.152081][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.152232][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000f14e001 CR4: 0000000000771ef0
[   89.152427][   T12] PKRU: 55555554
[   89.152520][   T12] Call Trace:
[   89.152623][   T12]  <TASK>
[   89.152748][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.152870][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   89.152996][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.153149][   T12]  netif_close_many (net/core/dev.c:1804)
[   89.153273][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.153395][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.153526][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.153647][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   89.153818][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   89.153970][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   89.154125][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.154247][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.154402][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.154526][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.154645][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   89.154845][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   89.154968][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   89.155092][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   89.155213][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   89.155338][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   89.155460][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   89.155587][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.155756][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.155881][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.156003][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.156123][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.156244][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.156370][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.156493][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.156621][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.156794][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.156921][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.157047][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.157167][   T12]  kthread (kernel/kthread.c:436)
[   89.157264][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.157415][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.157538][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.157708][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.157859][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.157982][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.158103][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.161245][   T12] ------------[ cut here ]------------
| [   89.161382][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   89.161628][   T12] Modules linked in: xfrm_user nf_tables
| [   89.162035][   T12] Tainted: [W]=WARN
[   89.162127][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.162288][   T12] Workqueue: netns cleanup_net
[   89.162415][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.162576][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.163021][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   89.163179][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dda9380 RCX: 1ff4000000018eaf
[   89.163366][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda943c
[   89.163552][   T12] RBP: ff11000014c31000 R08: 1fe2200001bb5289 R09: ff11000001aed1d0
[   89.163743][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   89.163928][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   89.164116][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   89.164333][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.164487][   T12] CR2: 00007f754dfa0574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   89.164691][   T12] PKRU: 55555554
[   89.164783][   T12] Call Trace:
[   89.164874][   T12]  <TASK>
[   89.164937][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.165063][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   89.165186][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.165286][   T12]  netif_close_many (net/core/dev.c:1804)
[   89.165409][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.165533][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.165662][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.165783][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   89.165905][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   89.166059][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   89.166213][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.166342][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.166494][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.166620][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.166748][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   89.166903][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   89.167028][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   89.167154][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   89.167283][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   89.167405][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   89.167533][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   89.167664][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.167787][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.167912][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.168034][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.168155][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.168287][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.168410][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.168544][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.168680][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.168804][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.168935][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.169062][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.169184][   T12]  kthread (kernel/kthread.c:436)
[   89.169282][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.169437][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.169563][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.169690][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.169844][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.169967][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.170092][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.177649][   T12] ------------[ cut here ]------------
| [   89.177779][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   89.178009][   T12] Modules linked in: xfrm_user nf_tables
| [   89.178401][   T12] Tainted: [W]=WARN
[   89.178494][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.178647][   T12] Workqueue: netns cleanup_net
[   89.178776][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.178931][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.179357][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   89.179510][   T12] RAX: 00000000ffffffa6 RBX: ff11000014d3cc80 RCX: 1ff4000000018ed5
[   89.180201][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d3cd3c
[   89.180384][   T12] RBP: ff11000012231000 R08: 1fe22000029a79a9 R09: ff11000001aed1d0
[   89.180562][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   89.180788][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.180971][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   89.181183][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.181340][   T12] CR2: 00007f754dfa0574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   89.181521][   T12] PKRU: 55555554
[   89.181610][   T12] Call Trace:
[   89.181745][   T12]  <TASK>
[   89.181852][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.182005][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.182150][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.182273][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.182391][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   89.182547][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   89.182716][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   89.182835][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   89.182954][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   89.183074][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   89.183194][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.183319][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.183440][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.183564][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.183728][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.183847][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.183965][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.184086][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.184210][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.184334][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.184458][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.184585][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.184752][   T12]  kthread (kernel/kthread.c:436)
[   89.184841][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.184988][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.185107][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.185225][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.185377][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.185495][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.185617][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.188520][   T12] ------------[ cut here ]------------
| [   89.188644][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   89.188884][   T12] Modules linked in: xfrm_user nf_tables
| [   89.189277][   T12] Tainted: [W]=WARN
[   89.189369][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.189519][   T12] Workqueue: netns cleanup_net
[   89.189643][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.189803][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.190227][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   89.190382][   T12] RAX: 00000000ffffffa6 RBX: ff11000014d3d540 RCX: 1ff4000000018ed5
[   89.190564][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d3d5fc
[   89.190745][   T12] RBP: ff11000008f3c000 R08: 1fe22000029a7ac1 R09: ff11000001aed1d0
[   89.190924][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   89.191101][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.191287][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   89.191496][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.191650][   T12] CR2: 00007f754dfa0574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   89.191833][   T12] PKRU: 55555554
[   89.191922][   T12] Call Trace:
[   89.192008][   T12]  <TASK>
[   89.192069][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.192224][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.192377][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.192497][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.192620][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   89.192779][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   89.192899][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   89.193019][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   89.193136][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   89.193263][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   89.193384][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.193507][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.193632][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.193753][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.193872][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.193993][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.194113][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.194234][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.194362][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.194483][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.194606][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.194733][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.194852][   T12]  kthread (kernel/kthread.c:436)
[   89.194945][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.195098][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.195217][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.195342][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.195491][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.195613][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.195739][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.198418][   T12] ------------[ cut here ]------------
| [   89.198543][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   89.198779][   T12] Modules linked in: xfrm_user nf_tables
| [   89.199172][   T12] Tainted: [W]=WARN
[   89.199266][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.199416][   T12] Workqueue: netns cleanup_net
[   89.199544][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.199703][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.200129][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   89.200295][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d470740 RCX: 1ff4000000018ed5
[   89.200472][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d4707fc
[   89.201227][   T12] RBP: ff11000014c31000 R08: 1fe2200001a8e101 R09: ff11000001aed1d0
[   89.201411][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   89.201592][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.201818][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   89.202031][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.202181][   T12] CR2: 00007f754dfa0574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   89.202363][   T12] PKRU: 55555554
[   89.202452][   T12] Call Trace:
[   89.202542][   T12]  <TASK>
[   89.202604][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.202805][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.202953][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.203072][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.203190][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   89.203393][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   89.203516][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   89.203637][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   89.203807][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   89.203930][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   89.204051][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.204169][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.204295][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.204415][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.204535][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.204701][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.204821][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.204943][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.205067][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.205186][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.205315][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.205438][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.205560][   T12]  kthread (kernel/kthread.c:436)
[   89.205698][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.205849][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.205969][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.206089][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.206239][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.206364][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.206484][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.272570][   T12] ------------[ cut here ]------------
| [   89.272714][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   89.272944][   T12] Modules linked in: xfrm_user nf_tables
| [   89.273332][   T12] Tainted: [W]=WARN
[   89.273420][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.273567][   T12] Workqueue: netns cleanup_net
[   89.273693][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.273843][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.274256][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   89.274415][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d471540 RCX: 1ff4000000018eed
[   89.274592][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d4715fc
[   89.274777][   T12] RBP: ff1100000fd29000 R08: 1fe2200001a8e2c1 R09: ff11000001aed1d0
[   89.274954][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   89.275134][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.275315][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   89.275519][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.275672][   T12] CR2: 00007f754dfa0574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   89.275848][   T12] PKRU: 55555554
[   89.275934][   T12] Call Trace:
[   89.276020][   T12]  <TASK>
[   89.276082][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.276231][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.276382][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   89.276500][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   89.276620][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.276741][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   89.276861][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.276978][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   89.277099][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.277215][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.277341][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.277457][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.277576][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.277699][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.277815][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.277934][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.278053][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.278171][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.278298][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.278426][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.278545][   T12]  kthread (kernel/kthread.c:436)
[   89.278636][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.278792][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.278911][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.279029][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.279175][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.279297][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.279415][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.281607][   T12] ------------[ cut here ]------------
| [   89.281737][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   89.281966][   T12] Modules linked in: xfrm_user nf_tables
| [   89.282359][   T12] Tainted: [W]=WARN
[   89.282447][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.282599][   T12] Workqueue: netns cleanup_net
[   89.283132][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.283291][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.283716][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   89.283864][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d471c40 RCX: 1ff4000000018eed
[   89.284039][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d471cfc
[   89.284215][   T12] RBP: ff1100000fc04000 R08: 1fe2200001a8e3a1 R09: ff11000001aed1d0
[   89.284400][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   89.284578][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.284763][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   89.284973][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.285121][   T12] CR2: 00007f754dfa0574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   89.285302][   T12] PKRU: 55555554
[   89.285390][   T12] Call Trace:
[   89.285478][   T12]  <TASK>
[   89.285544][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.285698][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.285843][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   89.285962][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   89.286082][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.286198][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   89.286319][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.286439][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   89.286564][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.286686][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.286806][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.286924][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.287041][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.287160][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.287283][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.287404][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.287529][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.287647][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.287775][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.287896][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.288012][   T12]  kthread (kernel/kthread.c:436)
[   89.288101][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.288247][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.288371][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.288490][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.288640][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.288763][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.288881][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.291061][   T12] ------------[ cut here ]------------
| [   89.291177][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   89.291411][   T12] Modules linked in: xfrm_user nf_tables
| [   89.292232][   T12] Tainted: [W]=WARN
[   89.292372][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.292523][   T12] Workqueue: netns cleanup_net
[   89.292644][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.292846][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.293273][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   89.293420][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f930740 RCX: 1ff4000000018eed
[   89.293599][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f9307fc
[   89.293822][   T12] RBP: ff11000001df4000 R08: 1fe2200001f26101 R09: ff11000001aed1d0
[   89.293998][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   89.294172][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.294355][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   89.294566][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.294759][   T12] CR2: 00007f754dfa0574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   89.294935][   T12] PKRU: 55555554
[   89.295022][   T12] Call Trace:
[   89.295110][   T12]  <TASK>
[   89.295170][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.295331][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.295481][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   89.295601][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   89.295765][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.295884][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   89.296003][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.296123][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   89.296247][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.296370][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.296493][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.296615][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.296779][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.296900][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.297017][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.297136][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.297262][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.297383][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.297509][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.297633][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.297796][   T12]  kthread (kernel/kthread.c:436)
[   89.297886][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.298038][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.298156][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.298284][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.298431][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.298552][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.298721][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.302325][   T12] ------------[ cut here ]------------
| [   89.302449][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   89.302696][   T12] Modules linked in: xfrm_user nf_tables
| [   89.303085][   T12] Tainted: [W]=WARN
[   89.303175][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.303331][   T12] Workqueue: netns cleanup_net
[   89.303453][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.303610][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.304036][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   89.304185][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246e740 RCX: 1ff4000000018eed
[   89.304366][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e7fc
[   89.304544][   T12] RBP: ff1100001278c000 R08: 1fe220000248dd01 R09: ff11000001aed1d0
[   89.305272][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   89.305449][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.305634][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   89.305886][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.306033][   T12] CR2: 00007f754dfa0574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   89.306208][   T12] PKRU: 55555554
[   89.306301][   T12] Call Trace:
[   89.306390][   T12]  <TASK>
[   89.306452][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.306604][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.306798][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   89.306962][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   89.307082][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.307199][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   89.307322][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.307444][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   89.307567][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.307731][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.307853][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.307972][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.308091][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.308209][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.308331][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.308454][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.308581][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.308747][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.308870][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.308997][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.309118][   T12]  kthread (kernel/kthread.c:436)
[   89.309206][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.309357][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.309476][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.309597][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.309791][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.309908][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.310027][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.312345][   T12] ------------[ cut here ]------------
| [   89.312468][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   89.312708][   T12] Modules linked in: xfrm_user nf_tables
| [   89.313107][   T12] Tainted: [W]=WARN
[   89.313195][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.313351][   T12] Workqueue: netns cleanup_net
[   89.313476][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.313637][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.314072][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   89.314221][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246ec80 RCX: 1ff4000000018eed
[   89.314402][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246ed3c
[   89.314582][   T12] RBP: ff1100000fbf4000 R08: 1fe220000248dda9 R09: ff11000001aed1d0
[   89.314762][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   89.314936][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.315126][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   89.315335][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.315484][   T12] CR2: 00007f754dfa0574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   89.315666][   T12] PKRU: 55555554
[   89.315754][   T12] Call Trace:
[   89.315842][   T12]  <TASK>
[   89.315903][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.316060][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.316205][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   89.316330][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   89.316450][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.316569][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   89.316693][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.316812][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   89.316931][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.317048][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.317170][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.317295][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.317412][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.317534][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.317655][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.317773][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.317894][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.318011][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.318136][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.318258][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.318380][   T12]  kthread (kernel/kthread.c:436)
[   89.318469][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.318619][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.318741][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.318860][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.319013][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.319134][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.319252][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.331878][   T12] ------------[ cut here ]------------
| [   89.332009][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   89.332254][   T12] Modules linked in: xfrm_user nf_tables
| [   89.332675][   T12] Tainted: [W]=WARN
[   89.332768][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.332923][   T12] Workqueue: netns cleanup_net
[   89.333049][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.333214][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.333669][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   89.333825][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246e3c0 RCX: 1ff4000000018eaf
[   89.334009][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e47c
[   89.334192][   T12] RBP: ff1100001240c000 R08: 1fe220000248dc91 R09: ff11000001aed1d0
[   89.334382][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   89.334569][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008bd1000
[   89.334757][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   89.334970][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.335124][   T12] CR2: 00007f754dfa0574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   89.335315][   T12] PKRU: 55555554
[   89.335408][   T12] Call Trace:
[   89.335500][   T12]  <TASK>
[   89.335568][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.335702][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.335797][   T12]  netif_close_many (net/core/dev.c:1804)
[   89.335919][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.336041][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.336162][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.336289][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   89.336415][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   89.336572][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   89.336728][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.336851][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.337001][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.337124][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.337247][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   89.337408][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   89.337537][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   89.337667][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   89.337791][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   89.337915][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   89.338048][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   89.338175][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.338303][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.338432][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.338558][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.338685][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.338810][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.338933][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.339058][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.339184][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.339314][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.339440][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.339570][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.339695][   T12]  kthread (kernel/kthread.c:436)
[   89.339788][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.339940][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.340064][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.340189][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.340346][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.340470][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.340594][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.343296][   T12] ------------[ cut here ]------------
| [   89.343420][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   89.344063][   T12] Modules linked in: xfrm_user nf_tables
| [   89.344476][   T12] Tainted: [W]=WARN
[   89.344573][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.344775][   T12] Workqueue: netns cleanup_net
[   89.344903][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.345063][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.345504][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   89.345710][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e7f3700 RCX: 1ff4000000018eaf
[   89.345892][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e7f37bc
[   89.346075][   T12] RBP: ff11000008bd1000 R08: 1fe2200001cfe6f9 R09: ff11000001aed1d0
[   89.346311][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   89.346497][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ffe9000
[   89.346738][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   89.346952][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.347105][   T12] CR2: 00007f754dfa0574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   89.347296][   T12] PKRU: 55555554
[   89.347388][   T12] Call Trace:
[   89.347479][   T12]  <TASK>
[   89.347546][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.347719][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   89.347842][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.347936][   T12]  netif_close_many (net/core/dev.c:1804)
[   89.348060][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.348183][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.348307][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.348429][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   89.348556][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   89.348759][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   89.348914][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.349036][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.349188][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.349317][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.349439][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   89.349596][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   89.349771][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   89.349896][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   89.350018][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   89.350140][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   89.350270][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   89.350396][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.350521][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.350647][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.350775][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.350896][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.351020][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.351145][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.351275][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.351403][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.351530][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.351663][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.351795][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.351917][   T12]  kthread (kernel/kthread.c:436)
[   89.352011][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.352164][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.352293][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.352416][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.352573][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.352701][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.352824][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.357271][   T12] ------------[ cut here ]------------
| [   89.357402][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   89.357648][   T12] Modules linked in: xfrm_user nf_tables
| [   89.358064][   T12] Tainted: [W]=WARN
[   89.358156][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.358321][   T12] Workqueue: netns cleanup_net
[   89.358447][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.358607][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.359068][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   89.359223][   T12] RAX: 00000000ffffffa6 RBX: ff11000001ee6580 RCX: 1ff4000000018eaf
[   89.359412][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001ee663c
[   89.359600][   T12] RBP: ff1100000ffe9000 R08: 1fe22000003dccc9 R09: ff11000001aed1d0
[   89.359786][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   89.359968][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   89.360153][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   89.360375][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.360531][   T12] CR2: 00007f754dfa0574 CR3: 000000004994d006 CR4: 0000000000771ef0
[   89.360722][   T12] PKRU: 55555554
[   89.360813][   T12] Call Trace:
[   89.360905][   T12]  <TASK>
[   89.360969][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.361093][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   89.361217][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.361317][   T12]  netif_close_many (net/core/dev.c:1804)
[   89.361439][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.361565][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.361771][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.361995][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   89.362120][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   89.362284][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   89.362438][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.362565][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.362766][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.362889][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.363011][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   89.363165][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   89.363297][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   89.363421][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   89.363546][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   89.363720][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   89.363846][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   89.363971][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.364093][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.364220][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.364351][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.364474][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.364602][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.364774][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.364900][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.365026][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.365152][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.365288][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.365416][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.365542][   T12]  kthread (kernel/kthread.c:436)
[   89.365636][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.365844][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.365968][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.366091][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.366250][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.366384][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.366510][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.369258][   T12] ------------[ cut here ]------------
| [   89.369394][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   89.369630][   T12] Modules linked in: xfrm_user nf_tables
| [   89.370026][   T12] Tainted: [W]=WARN
[   89.370116][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.370267][   T12] Workqueue: netns cleanup_net
[   89.370390][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.370544][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.370967][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   89.371117][   T12] RAX: 00000000ffffffa6 RBX: ff11000001ee7380 RCX: 1ff4000000018ed5
[   89.371299][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001ee743c
[   89.371474][   T12] RBP: ff1100001240c000 R08: 1fe22000003dce89 R09: ff11000001aed1d0
[   89.371667][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   89.371842][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.372019][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   89.372227][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.372380][   T12] CR2: 000055d4019f8958 CR3: 000000004994d005 CR4: 0000000000771ef0
[   89.372560][   T12] PKRU: 55555554
[   89.372648][   T12] Call Trace:
[   89.372743][   T12]  <TASK>
[   89.372807][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.372957][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.373105][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.373224][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.373346][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   89.373500][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   89.373621][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   89.373746][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   89.373866][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   89.373985][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   89.374103][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.374220][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.374344][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.374463][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.374587][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.374714][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.374831][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.374949][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.375069][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.375189][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.375316][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.375438][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.375559][   T12]  kthread (kernel/kthread.c:436)
[   89.375649][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.375801][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.375918][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.376039][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.376186][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.376308][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.376426][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.378727][   T12] ------------[ cut here ]------------
| [   89.378847][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   89.379077][   T12] Modules linked in: xfrm_user nf_tables
| [   89.379466][   T12] Tainted: [W]=WARN
[   89.379557][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.379710][   T12] Workqueue: netns cleanup_net
[   89.379832][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.379983][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.380409][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   89.380560][   T12] RAX: 00000000ffffffa6 RBX: ff11000001ee7c40 RCX: 1ff4000000018ed5
[   89.380741][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001ee7cfc
[   89.380916][   T12] RBP: ff11000008bd1000 R08: 1fe22000003dcfa1 R09: ff11000001aed1d0
[   89.381091][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   89.381268][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.381443][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   89.381659][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.381805][   T12] CR2: 000055d4019f8958 CR3: 000000004994d005 CR4: 0000000000771ef0
[   89.381982][   T12] PKRU: 55555554
[   89.382069][   T12] Call Trace:
[   89.382156][   T12]  <TASK>
[   89.382217][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.382372][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.382522][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.382638][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.382760][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   89.382912][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   89.383032][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   89.383151][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   89.383272][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   89.383393][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   89.383515][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.383636][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.383761][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.383879][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.384000][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.384122][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.384237][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.384377][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.384498][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.384617][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.384745][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.384866][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.384984][   T12]  kthread (kernel/kthread.c:436)
[   89.385073][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.385221][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.385341][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.385459][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.385609][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.385731][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.385848][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.388498][   T12] ------------[ cut here ]------------
| [   89.388628][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   89.388864][   T12] Modules linked in: xfrm_user nf_tables
| [   89.389249][   T12] Tainted: [W]=WARN
[   89.389343][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.389488][   T12] Workqueue: netns cleanup_net
[   89.389614][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.389774][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.390195][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   89.390347][   T12] RAX: 00000000ffffffa6 RBX: ff11000012510e40 RCX: 1ff4000000018ed5
[   89.390526][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012510efc
[   89.390708][   T12] RBP: ff1100000ffe9000 R08: 1fe22000024a21e1 R09: ff11000001aed1d0
[   89.390884][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   89.391059][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.391234][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   89.391447][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.391596][   T12] CR2: 000055d4019f8958 CR3: 000000004994d005 CR4: 0000000000771ef0
[   89.391779][   T12] PKRU: 55555554
[   89.391867][   T12] Call Trace:
[   89.391959][   T12]  <TASK>
[   89.392020][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.392176][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.392329][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.392445][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.392571][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   89.392725][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   89.392844][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   89.392962][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   89.393080][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   89.393200][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   89.393325][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.393442][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.393565][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.393687][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.393804][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.393923][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.394040][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.394160][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.394366][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.394502][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.394632][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.394765][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.394888][   T12]  kthread (kernel/kthread.c:436)
[   89.394976][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.395126][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.395244][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.395372][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.395521][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.395642][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.395768][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.460841][   T12] ------------[ cut here ]------------
| [   89.460974][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   89.461206][   T12] Modules linked in: xfrm_user nf_tables
| [   89.461598][   T12] Tainted: [W]=WARN
[   89.461695][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.461842][   T12] Workqueue: netns cleanup_net
[   89.461962][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.462118][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.462541][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   89.462702][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e52d8c0 RCX: 1ff4000000018eed
[   89.462923][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e52d97c
[   89.463115][   T12] RBP: ff11000013054000 R08: 1fe2200001ca5b31 R09: ff11000001aed1d0
[   89.463295][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   89.463472][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.463667][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   89.463872][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.464016][   T12] CR2: 000055d4019f8958 CR3: 000000004994d005 CR4: 0000000000771ef0
[   89.464190][   T12] PKRU: 55555554
[   89.464281][   T12] Call Trace:
[   89.464366][   T12]  <TASK>
[   89.464427][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.464577][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.464740][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   89.464864][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   89.464980][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.465093][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   89.465209][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.465330][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   89.465448][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.465565][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.465690][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.465807][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.465921][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.466037][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.466150][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.466273][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.466392][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.466509][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.466628][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.466753][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.466868][   T12]  kthread (kernel/kthread.c:436)
[   89.466953][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.467096][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.467212][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.467785][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.467927][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.468041][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.468156][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.470556][   T12] ------------[ cut here ]------------
| [   89.470750][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   89.470977][   T12] Modules linked in: xfrm_user nf_tables
| [   89.471369][   T12] Tainted: [W]=WARN
[   89.471460][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.471615][   T12] Workqueue: netns cleanup_net
[   89.471741][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.471891][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.472320][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   89.472469][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e52d380 RCX: 1ff4000000018eed
[   89.472644][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e52d43c
[   89.472821][   T12] RBP: ff11000013a39000 R08: 1fe2200001ca5a89 R09: ff11000001aed1d0
[   89.472994][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   89.473164][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.473344][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   89.473553][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.473705][   T12] CR2: 000055d4019f8958 CR3: 000000004994d005 CR4: 0000000000771ef0
[   89.473882][   T12] PKRU: 55555554
[   89.473968][   T12] Call Trace:
[   89.474054][   T12]  <TASK>
[   89.474114][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.474271][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.474413][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   89.474529][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   89.474649][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.474769][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   89.474884][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.475004][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   89.475121][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.475234][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.475359][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.475473][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.475591][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.475712][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.475825][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.475941][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.476061][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.476174][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.476298][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.476418][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.476537][   T12]  kthread (kernel/kthread.c:436)
[   89.476622][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.476771][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.476886][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.477000][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.477144][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.477264][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.477379][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.479494][   T12] ------------[ cut here ]------------
| [   89.479612][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   89.480281][   T12] Modules linked in: xfrm_user nf_tables
| [   89.480715][   T12] Tainted: [W]=WARN
[   89.480801][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.480948][   T12] Workqueue: netns cleanup_net
[   89.481066][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.481213][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.481631][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   89.481822][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e52ce40 RCX: 1ff4000000018eed
[   89.482038][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e52cefc
[   89.482209][   T12] RBP: ff11000013a1c000 R08: 1fe2200001ca59e1 R09: ff11000001aed1d0
[   89.482383][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   89.482556][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.482776][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   89.482973][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.483117][   T12] CR2: 000055d4019f8958 CR3: 000000004994d005 CR4: 0000000000771ef0
[   89.483295][   T12] PKRU: 55555554
[   89.483380][   T12] Call Trace:
[   89.483467][   T12]  <TASK>
[   89.483530][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.483727][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.483868][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   89.483983][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   89.484099][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.484212][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   89.484332][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.484450][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   89.484569][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.484728][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.484849][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.484964][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.485082][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.485196][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.485317][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.485431][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.485551][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.485715][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.485833][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.485950][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.486063][   T12]  kthread (kernel/kthread.c:436)
[   89.486150][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.486299][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.486418][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.486535][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.486723][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.486837][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.486951][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.490213][   T12] ------------[ cut here ]------------
| [   89.490341][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   89.490568][   T12] Modules linked in: xfrm_user nf_tables
| [   89.490950][   T12] Tainted: [W]=WARN
[   89.491036][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.491178][   T12] Workqueue: netns cleanup_net
[   89.491300][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.491450][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.491786][    C0] clocksource: Watchdog remote CPU 1 read timed out
[   89.491873][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   89.492284][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e52c740 RCX: 1ff4000000018eed
[   89.492456][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e52c7fc
[   89.492627][   T12] RBP: ff11000013a0c000 R08: 1fe2200001ca5901 R09: ff11000001aed1d0
[   89.492900][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   89.493071][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.493244][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   89.493450][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.493596][   T12] CR2: 000055d4019f8958 CR3: 000000004994d005 CR4: 0000000000771ef0
[   89.493867][   T12] PKRU: 55555554
[   89.493953][   T12] Call Trace:
[   89.494125][   T12]  <TASK>
[   89.494187][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.494337][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.494479][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   89.494595][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   89.494799][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.494917][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   89.495032][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.495148][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   89.495269][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.495383][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.495508][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.495622][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.495826][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.495943][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.496058][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.496181][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.496303][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.496418][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.496540][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.496750][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.496864][   T12]  kthread (kernel/kthread.c:436)
[   89.496951][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.497095][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.497211][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.497332][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.497479][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.497596][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.497799][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.500406][   T12] ------------[ cut here ]------------
| [   89.500536][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   89.500782][   T12] Modules linked in: xfrm_user nf_tables
| [   89.501170][   T12] Tainted: [W]=WARN
[   89.501258][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.501410][   T12] Workqueue: netns cleanup_net
[   89.501539][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.501697][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.502112][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   89.502258][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e52c3c0 RCX: 1ff4000000018eed
[   89.502437][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e52c47c
[   89.502613][   T12] RBP: ff11000013abc000 R08: 1fe2200001ca5891 R09: ff11000001aed1d0
[   89.502799][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   89.502975][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.503149][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   89.503363][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.503512][   T12] CR2: 00007f90935fc2a0 CR3: 000000004994d006 CR4: 0000000000771ef0
[   89.503693][   T12] PKRU: 55555554
[   89.503780][   T12] Call Trace:
[   89.503866][   T12]  <TASK>
[   89.503927][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.504075][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.504220][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   89.504342][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   89.504459][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.504577][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   89.504700][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.504819][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   89.504936][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.505051][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.505171][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.505291][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.505407][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.505527][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.505644][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.505770][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.505889][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.506007][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.506128][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.506249][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.506370][   T12]  kthread (kernel/kthread.c:436)
[   89.506457][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.506603][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.506723][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.506842][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.506987][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.507106][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.507222][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.519749][   T12] ------------[ cut here ]------------
| [   89.519879][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   89.520122][   T12] Modules linked in: xfrm_user nf_tables
| [   89.520540][   T12] Tainted: [W]=WARN
[   89.520633][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.520796][   T12] Workqueue: netns cleanup_net
[   89.520923][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.521081][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.521535][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   89.521695][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e52c580 RCX: 1ff4000000018eaf
[   89.521879][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e52c63c
[   89.522064][   T12] RBP: ff110000127f9000 R08: 1fe2200001ca58c9 R09: ff11000001aed1d0
[   89.522245][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   89.522433][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   89.522620][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   89.522841][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.522996][   T12] CR2: 00007f90935fc2a0 CR3: 000000004994d006 CR4: 0000000000771ef0
[   89.523181][   T12] PKRU: 55555554
[   89.523275][   T12] Call Trace:
[   89.523367][   T12]  <TASK>
[   89.523430][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.523557][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.523657][   T12]  netif_close_many (net/core/dev.c:1804)
[   89.523780][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.523905][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.524027][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.524150][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   89.524276][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   89.524430][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   89.524586][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   89.524714][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   89.524837][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   89.524960][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.525114][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   89.525238][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   89.525366][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   89.525490][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   89.525617][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   89.525746][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   89.525870][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.525992][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.526117][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.526239][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.526364][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.526488][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.526615][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.526745][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.526871][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.526992][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.527120][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.527246][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.527373][   T12]  kthread (kernel/kthread.c:436)
[   89.527466][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.527624][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.527752][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.527873][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.528026][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.528152][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.528278][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.530512][   T12] ------------[ cut here ]------------
| [   89.530642][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   89.531725][   T12] Modules linked in: xfrm_user nf_tables
| [   89.532170][   T12] Tainted: [W]=WARN
[   89.532263][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.532412][   T12] Workqueue: netns cleanup_net
[   89.532541][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.532751][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   89.533179][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   89.533332][   T12] RAX: 00000000ffffffa6 RBX: ff110000100cc580 RCX: 1ff4000000018ed5
[   89.533513][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000100cc63c
[   89.533738][   T12] RBP: ff110000127f9000 R08: 1fe22000020198c9 R09: ff11000001aed1d0
[   89.533915][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   89.534095][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   89.534277][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   89.534486][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.534639][   T12] CR2: 00007f4cd72de680 CR3: 000000004994d002 CR4: 0000000000771ef0
[   89.534867][   T12] PKRU: 55555554
[   89.534957][   T12] Call Trace:
[   89.535045][   T12]  <TASK>
[   89.535107][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   89.535265][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   89.535417][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   89.535546][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   89.535713][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   89.535833][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   89.535957][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   89.536080][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   89.536201][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   89.536324][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.536446][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   89.536568][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   89.536744][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   89.536865][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.536985][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.537104][   T12]  process_one_work (kernel/workqueue.c:3314)
[   89.537227][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   89.537352][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.537475][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   89.537601][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   89.537788][   T12]  kthread (kernel/kthread.c:436)
[   89.537880][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   89.538028][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.538150][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   89.538274][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   89.538427][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   89.538549][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   89.538738][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   89.654072][ T2473] ------------[ cut here ]------------
| [   89.654222][ T2473] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2473
| [   89.654489][ T2473] Modules linked in: xfrm_user nf_tables
| [   89.654898][ T2473] Tainted: [W]=WARN
[   89.654996][ T2473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.655159][ T2473] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.655333][ T2473] 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
[   89.655809][ T2473] RSP: 0018:ffa000000346fa80 EFLAGS: 00010286
[   89.655974][ T2473] RAX: 00000000ffffffa6 RBX: ff1100001243f700 RCX: 1ff400000068df16
[   89.656167][ T2473] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243f7bc
[   89.656365][ T2473] RBP: ff1100000fd2c000 R08: 1fe2200002487ef9 R09: ff1100000de50b80
[   89.656563][ T2473] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   89.656764][ T2473] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd2c000
[   89.656961][ T2473] FS:  00007f7ba831f840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   89.657189][ T2473] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.657357][ T2473] CR2: 00007f7ba8526430 CR3: 0000000012dc7005 CR4: 0000000000771ef0
[   89.657556][ T2473] PKRU: 55555554
[   89.657660][ T2473] Call Trace:
[   89.657757][ T2473]  <TASK>
[   89.657825][ T2473]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.657962][ T2473]  ? notifier_call_chain (kernel/notifier.c:85)
[   89.658096][ T2473]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.658197][ T2473]  register_netdevice (net/core/dev.c:11488)
[   89.658334][ T2473]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   89.658496][ T2473]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   89.658631][ T2473]  register_netdev (net/core/dev.c:11552)
[   89.658768][ T2473]  loopback_net_init (drivers/net/loopback.c:218)
[   89.658899][ T2473]  ops_init (net/core/net_namespace.c:137)
[   89.658999][ T2473]  setup_net (net/core/net_namespace.c:446)
[   89.659099][ T2473]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   89.659228][ T2473]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   89.659363][ T2473]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   89.659496][ T2473]  copy_net_ns (net/core/net_namespace.c:579)
[   89.659630][ T2473]  create_new_namespaces (kernel/nsproxy.c:132)
[   89.659834][ T2473]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   89.659966][ T2473]  ksys_unshare (kernel/fork.c:3243)
[   89.660151][ T2473]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   89.660289][ T2473]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   89.660420][ T2473]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   89.660555][ T2473]  ? __ia32_sys_open (fs/open.c:1374)
[   89.660719][ T2473]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   89.660848][ T2473]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   89.660979][ T2473]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.661108][ T2473]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.661239][ T2473]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.661372][ T2473]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.661536][ T2473] RIP: 0033:0x7f7ba85e1bcb
[   89.661679][ T2473] 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
[   89.662143][ T2473] RSP: 002b:00007ffe9a48b3c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   89.662340][ T2473] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7ba85e1bcb
[   89.662536][ T2473] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   89.662737][ T2473] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   89.662933][ T2473] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe9a48d5f0
[   89.663127][ T2473] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe9a48e888
| [   89.668033][ T2473] ------------[ cut here ]------------
| [   89.668168][ T2473] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2473
| [   89.668434][ T2473] Modules linked in: xfrm_user nf_tables
| [   89.668834][ T2473] Tainted: [W]=WARN
[   89.668932][ T2473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.669094][ T2473] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.669266][ T2473] 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
[   89.669733][ T2473] RSP: 0018:ffa000000346f918 EFLAGS: 00010286
[   89.669897][ T2473] RAX: 00000000ffffffa6 RBX: ff11000009a62c80 RCX: 1ff400000068dee9
[   89.670093][ T2473] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a62d3c
[   89.670290][ T2473] RBP: ff11000012b19000 R08: 1fe220000134c5a9 R09: ff1100000de50b80
[   89.670482][ T2473] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   89.670735][ T2473] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012b19000
[   89.670930][ T2473] FS:  00007f7ba831f840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   89.671156][ T2473] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.671325][ T2473] CR2: 00007f7ba8526430 CR3: 0000000012dc7005 CR4: 0000000000771ef0
[   89.671525][ T2473] PKRU: 55555554
[   89.671622][ T2473] Call Trace:
[   89.671775][ T2473]  <TASK>
[   89.671844][ T2473]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.671972][ T2473]  ? notifier_call_chain (kernel/notifier.c:85)
[   89.672101][ T2473]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.672202][ T2473]  register_netdevice (net/core/dev.c:11488)
[   89.672338][ T2473]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   89.672504][ T2473]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   89.672638][ T2473]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   89.672827][ T2473]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   89.672959][ T2473]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   89.673090][ T2473]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   89.673219][ T2473]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   89.673353][ T2473]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   89.673483][ T2473]  ops_init (net/core/net_namespace.c:137)
[   89.673584][ T2473]  setup_net (net/core/net_namespace.c:446)
[   89.673736][ T2473]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   89.673864][ T2473]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   89.673995][ T2473]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   89.674128][ T2473]  copy_net_ns (net/core/net_namespace.c:579)
[   89.674264][ T2473]  create_new_namespaces (kernel/nsproxy.c:132)
[   89.674398][ T2473]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   89.674534][ T2473]  ksys_unshare (kernel/fork.c:3243)
[   89.674717][ T2473]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   89.674847][ T2473]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   89.674974][ T2473]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   89.675103][ T2473]  ? __ia32_sys_open (fs/open.c:1374)
[   89.675234][ T2473]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   89.675367][ T2473]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   89.675496][ T2473]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.675627][ T2473]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.675808][ T2473]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.675937][ T2473]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.676095][ T2473] RIP: 0033:0x7f7ba85e1bcb
[   89.676230][ T2473] 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
[   89.676755][ T2473] RSP: 002b:00007ffe9a48b3c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   89.676950][ T2473] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7ba85e1bcb
[   89.677142][ T2473] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   89.677338][ T2473] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   89.677534][ T2473] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe9a48d5f0
[   89.677780][ T2473] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe9a48e888
| [   89.681777][ T2473] ------------[ cut here ]------------
| [   89.681915][ T2473] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2473
| [   89.682171][ T2473] Modules linked in: xfrm_user nf_tables
| [   89.682574][ T2473] Tainted: [W]=WARN
[   89.682680][ T2473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.682844][ T2473] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.683014][ T2473] 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
[   89.683485][ T2473] RSP: 0018:ffa000000346f8f8 EFLAGS: 00010286
[   89.683658][ T2473] RAX: 00000000ffffffa6 RBX: ff11000012120740 RCX: 1ff400000068dee5
[   89.683853][ T2473] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121207fc
[   89.684048][ T2473] RBP: ff11000008dd9000 R08: 1fe2200002424101 R09: ff1100000de50b80
[   89.684247][ T2473] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   89.684446][ T2473] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008dd9000
[   89.684644][ T2473] FS:  00007f7ba831f840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   89.685395][ T2473] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.685566][ T2473] CR2: 00007f7ba8526430 CR3: 0000000012dc7005 CR4: 0000000000771ef0
[   89.685822][ T2473] PKRU: 55555554
[   89.685921][ T2473] Call Trace:
[   89.686019][ T2473]  <TASK>
[   89.686087][ T2473]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.686219][ T2473]  ? notifier_call_chain (kernel/notifier.c:85)
[   89.686357][ T2473]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.686458][ T2473]  register_netdevice (net/core/dev.c:11488)
[   89.686595][ T2473]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   89.686813][ T2473]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   89.686946][ T2473]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   89.687132][ T2473]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   89.687268][ T2473]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   89.687401][ T2473]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   89.687537][ T2473]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   89.687726][ T2473]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   89.687859][ T2473]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   89.687990][ T2473]  vti_init_net (net/ipv4/ip_vti.c:517)
[   89.688121][ T2473]  ops_init (net/core/net_namespace.c:137)
[   89.688231][ T2473]  setup_net (net/core/net_namespace.c:446)
[   89.688335][ T2473]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   89.688464][ T2473]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   89.688598][ T2473]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   89.688785][ T2473]  copy_net_ns (net/core/net_namespace.c:579)
[   89.688916][ T2473]  create_new_namespaces (kernel/nsproxy.c:132)
[   89.689051][ T2473]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   89.689182][ T2473]  ksys_unshare (kernel/fork.c:3243)
[   89.689318][ T2473]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   89.689449][ T2473]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   89.689581][ T2473]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   89.689770][ T2473]  ? __ia32_sys_open (fs/open.c:1374)
[   89.689903][ T2473]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   89.690033][ T2473]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   89.690164][ T2473]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.690299][ T2473]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.690429][ T2473]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.690562][ T2473]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.690778][ T2473] RIP: 0033:0x7f7ba85e1bcb
[   89.690915][ T2473] 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
[   89.691382][ T2473] RSP: 002b:00007ffe9a48b3c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   89.691580][ T2473] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7ba85e1bcb
[   89.691832][ T2473] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   89.692028][ T2473] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   89.692222][ T2473] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe9a48d5f0
[   89.692421][ T2473] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe9a48e888
| [   89.696785][ T2473] ------------[ cut here ]------------
| [   89.696961][ T2473] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2473
| [   89.697272][ T2473] Modules linked in: xfrm_user nf_tables
| [   89.697789][ T2473] Tainted: [W]=WARN
[   89.697933][ T2473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.698140][ T2473] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.698366][ T2473] 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
[   89.698893][ T2473] RSP: 0018:ffa000000346fa78 EFLAGS: 00010286
[   89.699102][ T2473] RAX: 00000000ffffffa6 RBX: ff1100000f9b8ac0 RCX: 1ff400000068df15
[   89.699353][ T2473] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f9b8b7c
[   89.699600][ T2473] RBP: ff110000097ec000 R08: 1fe2200001f37171 R09: ff1100000de50b80
[   89.699850][ T2473] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   89.700098][ T2473] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000097ec000
[   89.700342][ T2473] FS:  00007f7ba831f840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   89.700622][ T2473] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.700845][ T2473] CR2: 000055d3d5b6bd5c CR3: 0000000012dc7006 CR4: 0000000000771ef0
[   89.701088][ T2473] PKRU: 55555554
[   89.701231][ T2473] Call Trace:
[   89.701381][ T2473]  <TASK>
[   89.701496][ T2473]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.701697][ T2473]  ? notifier_call_chain (kernel/notifier.c:85)
[   89.701875][ T2473]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.702022][ T2473]  register_netdevice (net/core/dev.c:11488)
[   89.702200][ T2473]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   89.702415][ T2473]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.702606][ T2473]  register_netdev (net/core/dev.c:11552)
[   89.702797][ T2473]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   89.702980][ T2473]  ops_init (net/core/net_namespace.c:137)
[   89.703127][ T2473]  setup_net (net/core/net_namespace.c:446)
[   89.703280][ T2473]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   89.703457][ T2473]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   89.703643][ T2473]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   89.703835][ T2473]  copy_net_ns (net/core/net_namespace.c:579)
[   89.704014][ T2473]  create_new_namespaces (kernel/nsproxy.c:132)
[   89.704197][ T2473]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   89.704386][ T2473]  ksys_unshare (kernel/fork.c:3243)
[   89.704573][ T2473]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   89.704768][ T2473]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   89.704944][ T2473]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   89.705123][ T2473]  ? __ia32_sys_open (fs/open.c:1374)
[   89.705311][ T2473]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   89.705491][ T2473]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   89.705688][ T2473]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.705864][ T2473]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.706040][ T2473]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.706216][ T2473]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.706432][ T2473] RIP: 0033:0x7f7ba85e1bcb
[   89.706621][ T2473] 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
[   89.707142][ T2473] RSP: 002b:00007ffe9a48b3c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   89.707393][ T2473] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7ba85e1bcb
[   89.707640][ T2473] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   89.707896][ T2473] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   89.708135][ T2473] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe9a48d5f0
[   89.708382][ T2473] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe9a48e888
| [   89.719417][ T2473] ------------[ cut here ]------------
| [   89.719599][ T2473] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2473
| [   89.719916][ T2473] Modules linked in: xfrm_user nf_tables
| [   89.720415][ T2473] Tainted: [W]=WARN
[   89.720566][ T2473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.720790][ T2473] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.721006][ T2473] 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
[   89.721529][ T2473] RSP: 0018:ffa000000346fa68 EFLAGS: 00010286
[   89.721767][ T2473] RAX: 00000000ffffffa6 RBX: ff1100000f9b98c0 RCX: 1ff400000068df13
[   89.722005][ T2473] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f9b997c
[   89.722248][ T2473] RBP: ff11000010bd1000 R08: 1fe2200001f37331 R09: ff1100000de50b80
[   89.722499][ T2473] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   89.722759][ T2473] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010bd1000
[   89.723001][ T2473] FS:  00007f7ba831f840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   89.723284][ T2473] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.723495][ T2473] CR2: 000055d3d5b6bd5c CR3: 0000000012dc7006 CR4: 0000000000771ef0
[   89.723756][ T2473] PKRU: 55555554
[   89.723900][ T2473] Call Trace:
[   89.724045][ T2473]  <TASK>
[   89.724160][ T2473]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.724344][ T2473]  ? notifier_call_chain (kernel/notifier.c:85)
[   89.724530][ T2473]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.724693][ T2473]  register_netdevice (net/core/dev.c:11488)
[   89.724871][ T2473]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   89.725084][ T2473]  register_netdev (net/core/dev.c:11552)
[   89.725272][ T2473]  sit_init_net (net/ipv6/sit.c:1860)
[   89.725452][ T2473]  ops_init (net/core/net_namespace.c:137)
[   89.725608][ T2473]  setup_net (net/core/net_namespace.c:446)
[   89.725767][ T2473]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   89.725946][ T2473]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   89.726124][ T2473]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   89.726311][ T2473]  copy_net_ns (net/core/net_namespace.c:579)
[   89.726490][ T2473]  create_new_namespaces (kernel/nsproxy.c:132)
[   89.726690][ T2473]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   89.726868][ T2473]  ksys_unshare (kernel/fork.c:3243)
[   89.727045][ T2473]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   89.727225][ T2473]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   89.727407][ T2473]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   89.727592][ T2473]  ? __ia32_sys_open (fs/open.c:1374)
[   89.727785][ T2473]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   89.727961][ T2473]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   89.728136][ T2473]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.728321][ T2473]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.728503][ T2473]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.728702][ T2473]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.728909][ T2473] RIP: 0033:0x7f7ba85e1bcb
[   89.729092][ T2473] 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
[   89.729606][ T2473] RSP: 002b:00007ffe9a48b3c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   89.729866][ T2473] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7ba85e1bcb
[   89.730104][ T2473] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   89.730354][ T2473] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   89.730603][ T2473] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe9a48d5f0
[   89.730860][ T2473] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe9a48e888
| [   89.735938][ T2473] ------------[ cut here ]------------
| [   89.736117][ T2473] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2473
| [   89.736428][ T2473] Modules linked in: xfrm_user nf_tables
| [   89.736937][ T2473] Tainted: [W]=WARN
[   89.737081][ T2473] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.737300][ T2473] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.737521][ T2473] 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
[   89.738041][ T2473] RSP: 0018:ffa000000346fa78 EFLAGS: 00010286
[   89.738254][ T2473] RAX: 00000000ffffffa6 RBX: ff11000004ecee40 RCX: 1ff400000068df15
[   89.738502][ T2473] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004eceefc
[   89.738761][ T2473] RBP: ff11000012a0c000 R08: 1fe22000009d9de1 R09: ff1100000de50b80
[   89.739001][ T2473] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   89.739241][ T2473] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012a0c000
[   89.739494][ T2473] FS:  00007f7ba831f840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   89.739787][ T2473] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.739998][ T2473] CR2: 000055d3d5b6bd5c CR3: 0000000012dc7006 CR4: 0000000000771ef0
[   89.740242][ T2473] PKRU: 55555554
[   89.740394][ T2473] Call Trace:
[   89.740548][ T2473]  <TASK>
[   89.740675][ T2473]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.740853][ T2473]  ? notifier_call_chain (kernel/notifier.c:85)
[   89.741030][ T2473]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.741179][ T2473]  register_netdevice (net/core/dev.c:11488)
[   89.741368][ T2473]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   89.741584][ T2473]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.741779][ T2473]  register_netdev (net/core/dev.c:11552)
[   89.741957][ T2473]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   89.742136][ T2473]  ops_init (net/core/net_namespace.c:137)
[   89.742293][ T2473]  setup_net (net/core/net_namespace.c:446)
[   89.742439][ T2473]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   89.742620][ T2473]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   89.742811][ T2473]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   89.742996][ T2473]  copy_net_ns (net/core/net_namespace.c:579)
[   89.743176][ T2473]  create_new_namespaces (kernel/nsproxy.c:132)
[   89.743367][ T2473]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   89.743556][ T2473]  ksys_unshare (kernel/fork.c:3243)
[   89.743747][ T2473]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   89.743924][ T2473]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   89.744101][ T2473]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   89.744292][ T2473]  ? __ia32_sys_open (fs/open.c:1374)
[   89.744473][ T2473]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   89.744667][ T2473]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   89.744843][ T2473]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.745021][ T2473]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.745198][ T2473]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.745386][ T2473]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.745607][ T2473] RIP: 0033:0x7f7ba85e1bcb
[   89.745806][ T2473] 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
[   89.746320][ T2473] RSP: 002b:00007ffe9a48b3c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   89.746572][ T2473] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7ba85e1bcb
[   89.746830][ T2473] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   89.747071][ T2473] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   89.747319][ T2473] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe9a48d5f0
[   89.747572][ T2473] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe9a48e888
| [   89.778276][ T2474] ------------[ cut here ]------------
| [   89.778422][ T2474] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2474
| [   89.779067][ T2474] Modules linked in: xfrm_user nf_tables
| [   89.779473][ T2474] Tainted: [W]=WARN
[   89.779575][ T2474] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.779742][ T2474] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.779909][ T2474] 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
[   89.780369][ T2474] RSP: 0018:ffa000000346f020 EFLAGS: 00010286
[   89.780535][ T2474] RAX: 00000000ffffffa6 RBX: ff110000121211c0 RCX: 1ff400000068ddca
[   89.780731][ T2474] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001212127c
[   89.780923][ T2474] RBP: ff1100000fd2c000 R08: 1fe2200002424251 R09: ff1100000de55158
[   89.781113][ T2474] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   89.781308][ T2474] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   89.781505][ T2474] FS:  00007f304291b840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   89.781737][ T2474] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.781898][ T2474] CR2: 000000000ca53988 CR3: 0000000009392001 CR4: 0000000000771ef0
[   89.782092][ T2474] PKRU: 55555554
[   89.782188][ T2474] Call Trace:
[   89.782290][ T2474]  <TASK>
[   89.782358][ T2474]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.782489][ T2474]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.782592][ T2474]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   89.782727][ T2474]  __dev_notify_flags (net/core/dev.c:9787)
[   89.782859][ T2474]  ? netif_change_name (net/core/dev.c:1495)
[   89.782988][ T2474]  ? __dev_change_flags (net/core/dev.c:9752)
[   89.783118][ T2474]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   89.783246][ T2474]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.783380][ T2474]  ? 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))
[   89.783516][ T2474]  netif_change_flags (net/core/dev.c:9820)
[   89.783646][ T2474]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   89.783782][ T2474]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   89.783915][ T2474]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   89.784045][ T2474]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   89.784204][ T2474]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   89.784337][ T2474]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.784466][ T2474]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   89.784596][ T2474]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   89.784730][ T2474]  ? __kernel_text_address (kernel/extable.c:79)
[   89.784859][ T2474]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.784992][ T2474]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.785121][ T2474]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   89.785251][ T2474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.785391][ T2474]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   89.785524][ T2474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.785658][ T2474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.785786][ T2474]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   89.785916][ T2474]  ? __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)
[   89.786047][ T2474]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   89.786176][ T2474]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   89.786309][ T2474]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   89.786441][ T2474]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   89.786579][ T2474]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   89.786717][ T2474]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.786845][ T2474]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.786974][ T2474]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.787103][ T2474]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   89.787231][ T2474]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.787368][ T2474]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.787498][ T2474]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.787629][ T2474]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.787762][ T2474]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.787892][ T2474]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   89.788023][ T2474]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   89.788153][ T2474]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.788287][ T2474]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.788417][ T2474]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.788550][ T2474]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   89.788686][ T2474]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   89.788817][ T2474]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   89.788947][ T2474]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   89.789077][ T2474]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   89.789211][ T2474]  ? 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))
[   89.789348][ T2474]  ? 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))
[   89.789479][ T2474]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   89.789611][ T2474]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   89.789749][ T2474]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   89.789882][ T2474]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   89.790013][ T2474]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   89.790143][ T2474]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   89.790279][ T2474]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   89.790409][ T2474]  ? copy_msghdr_from_user (net/socket.c:2635)
[   89.790543][ T2474]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   89.790710][ T2474]  ? move_addr_to_kernel (net/socket.c:258)
[   89.790843][ T2474]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   89.790974][ T2474]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   89.791104][ T2474]  ___sys_sendmsg (net/socket.c:2752)
[   89.791234][ T2474]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   89.791400][ T2474]  ? copy_msghdr_from_user (net/socket.c:2603)
[   89.791545][ T2474]  __sys_sendmsg (net/socket.c:2784)
[   89.791681][ T2474]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   89.791810][ T2474]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   89.791975][ T2474]  ? 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)
[   89.792105][ T2474]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   89.792235][ T2474]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.792368][ T2474]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.792496][ T2474]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.792628][ T2474]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.792792][ T2474] RIP: 0033:0x7f3042b5508e
[   89.792929][ T2474] 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
[   89.793392][ T2474] RSP: 002b:00007fff8c4109d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   89.793590][ T2474] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3042b5508e
[   89.793789][ T2474] RDX: 0000000000000000 RSI: 00007fff8c410a80 RDI: 0000000000000005
[   89.793981][ T2474] RBP: 00007fff8c4109e0 R08: 0000000000000000 R09: 0000000000000000
[   89.794174][ T2474] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d884
[   89.794371][ T2474] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff8c411150
| [   89.905535][ T2478] ------------[ cut here ]------------
| [   89.905689][ T2478] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2478
| [   89.905948][ T2478] Modules linked in: xfrm_user nf_tables
| [   89.906358][ T2478] Tainted: [W]=WARN
[   89.906457][ T2478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.906624][ T2478] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.906800][ T2478] 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
[   89.907269][ T2478] RSP: 0018:ffa000000348fa80 EFLAGS: 00010286
[   89.907444][ T2478] RAX: 00000000ffffffa6 RBX: ff1100000df55a80 RCX: 1ff4000000691f16
[   89.907642][ T2478] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df55b3c
[   89.907846][ T2478] RBP: ff1100000f0d1000 R08: 1fe2200001beab69 R09: ff11000013a9d180
[   89.908041][ T2478] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   89.908236][ T2478] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f0d1000
[   89.908440][ T2478] FS:  00007f5d9c5b6840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   89.908680][ T2478] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.908844][ T2478] CR2: 00007f5d9c92f493 CR3: 000000000fbdf001 CR4: 0000000000771ef0
[   89.909041][ T2478] PKRU: 55555554
[   89.909138][ T2478] Call Trace:
[   89.909235][ T2478]  <TASK>
[   89.909309][ T2478]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.909443][ T2478]  ? notifier_call_chain (kernel/notifier.c:85)
[   89.909579][ T2478]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.909688][ T2478]  register_netdevice (net/core/dev.c:11488)
[   89.909823][ T2478]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   89.909986][ T2478]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   89.910118][ T2478]  register_netdev (net/core/dev.c:11552)
[   89.910252][ T2478]  loopback_net_init (drivers/net/loopback.c:218)
[   89.910391][ T2478]  ops_init (net/core/net_namespace.c:137)
[   89.910491][ T2478]  setup_net (net/core/net_namespace.c:446)
[   89.910595][ T2478]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   89.910729][ T2478]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   89.910861][ T2478]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   89.910995][ T2478]  copy_net_ns (net/core/net_namespace.c:579)
[   89.911128][ T2478]  create_new_namespaces (kernel/nsproxy.c:132)
[   89.911267][ T2478]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   89.911400][ T2478]  ksys_unshare (kernel/fork.c:3243)
[   89.911534][ T2478]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   89.911669][ T2478]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   89.911800][ T2478]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   89.911933][ T2478]  ? __ia32_sys_open (fs/open.c:1374)
[   89.912067][ T2478]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   89.912197][ T2478]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   89.912335][ T2478]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.912464][ T2478]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.912598][ T2478]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.912786][ T2478]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.912949][ T2478] RIP: 0033:0x7f5d9c878bcb
[   89.913085][ T2478] 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
[   89.913562][ T2478] RSP: 002b:00007ffde12490c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   89.913846][ T2478] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5d9c878bcb
[   89.914040][ T2478] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   89.914234][ T2478] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   89.914432][ T2478] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffde124b2f0
[   89.914630][ T2478] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffde124c887
| [   89.918936][ T2478] ------------[ cut here ]------------
| [   89.919073][ T2478] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2478
| [   89.919336][ T2478] Modules linked in: xfrm_user nf_tables
| [   89.919738][ T2478] Tainted: [W]=WARN
[   89.919835][ T2478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.919998][ T2478] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.920166][ T2478] 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
[   89.920637][ T2478] RSP: 0018:ffa000000348f918 EFLAGS: 00010286
[   89.920807][ T2478] RAX: 00000000ffffffa6 RBX: ff1100000586e040 RCX: 1ff4000000691ee9
[   89.921000][ T2478] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000586e0fc
[   89.921191][ T2478] RBP: ff11000009831000 R08: 1fe2200000b0dc21 R09: ff11000013a9d180
[   89.921389][ T2478] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   89.921584][ T2478] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009831000
[   89.921902][ T2478] FS:  00007f5d9c5b6840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   89.922128][ T2478] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.922294][ T2478] CR2: 00007f5d9c92f493 CR3: 000000000fbdf001 CR4: 0000000000771ef0
[   89.922489][ T2478] PKRU: 55555554
[   89.922589][ T2478] Call Trace:
[   89.922691][ T2478]  <TASK>
[   89.922758][ T2478]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.922888][ T2478]  ? notifier_call_chain (kernel/notifier.c:85)
[   89.923017][ T2478]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.923115][ T2478]  register_netdevice (net/core/dev.c:11488)
[   89.923246][ T2478]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   89.923412][ T2478]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   89.923546][ T2478]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   89.923682][ T2478]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   89.923812][ T2478]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   89.923943][ T2478]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   89.924072][ T2478]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   89.924203][ T2478]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   89.924339][ T2478]  ops_init (net/core/net_namespace.c:137)
[   89.924438][ T2478]  setup_net (net/core/net_namespace.c:446)
[   89.924540][ T2478]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   89.924676][ T2478]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   89.924805][ T2478]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   89.924936][ T2478]  copy_net_ns (net/core/net_namespace.c:579)
[   89.925068][ T2478]  create_new_namespaces (kernel/nsproxy.c:132)
[   89.925199][ T2478]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   89.925333][ T2478]  ksys_unshare (kernel/fork.c:3243)
[   89.925462][ T2478]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   89.925596][ T2478]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   89.925728][ T2478]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   89.925858][ T2478]  ? __ia32_sys_open (fs/open.c:1374)
[   89.925989][ T2478]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   89.926117][ T2478]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   89.926337][ T2478]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.926464][ T2478]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.926597][ T2478]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.926816][ T2478]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.926977][ T2478] RIP: 0033:0x7f5d9c878bcb
[   89.927111][ T2478] 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
[   89.927667][ T2478] RSP: 002b:00007ffde12490c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   89.927862][ T2478] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5d9c878bcb
[   89.928140][ T2478] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   89.928337][ T2478] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   89.928531][ T2478] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffde124b2f0
[   89.928817][ T2478] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffde124c887
| [   89.932948][ T2478] ------------[ cut here ]------------
| [   89.933084][ T2478] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2478
| [   89.933342][ T2478] Modules linked in: xfrm_user nf_tables
| [   89.933836][ T2478] Tainted: [W]=WARN
[   89.933935][ T2478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.934190][ T2478] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.934366][ T2478] 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
[   89.934840][ T2478] RSP: 0018:ffa000000348f8f8 EFLAGS: 00010286
[   89.935005][ T2478] RAX: 00000000ffffffa6 RBX: ff1100000586f700 RCX: 1ff4000000691ee5
[   89.935201][ T2478] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000586f7bc
[   89.935491][ T2478] RBP: ff11000008bd9000 R08: 1fe2200000b0def9 R09: ff11000013a9d180
[   89.935694][ T2478] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   89.935978][ T2478] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008bd9000
[   89.936175][ T2478] FS:  00007f5d9c5b6840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   89.936406][ T2478] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.936666][ T2478] CR2: 00007f5d9c92f493 CR3: 000000000fbdf001 CR4: 0000000000771ef0
[   89.936864][ T2478] PKRU: 55555554
[   89.936961][ T2478] Call Trace:
[   89.937061][ T2478]  <TASK>
[   89.937214][ T2478]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.937352][ T2478]  ? notifier_call_chain (kernel/notifier.c:85)
[   89.937482][ T2478]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.937583][ T2478]  register_netdevice (net/core/dev.c:11488)
[   89.937721][ T2478]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   89.937887][ T2478]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   89.938022][ T2478]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   89.938154][ T2478]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   89.938377][ T2478]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   89.938515][ T2478]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   89.938647][ T2478]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   89.938784][ T2478]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   89.939003][ T2478]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   89.939136][ T2478]  vti_init_net (net/ipv4/ip_vti.c:517)
[   89.939272][ T2478]  ops_init (net/core/net_namespace.c:137)
[   89.939373][ T2478]  setup_net (net/core/net_namespace.c:446)
[   89.939472][ T2478]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   89.939697][ T2478]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   89.939829][ T2478]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   89.939962][ T2478]  copy_net_ns (net/core/net_namespace.c:579)
[   89.940095][ T2478]  create_new_namespaces (kernel/nsproxy.c:132)
[   89.940322][ T2478]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   89.940454][ T2478]  ksys_unshare (kernel/fork.c:3243)
[   89.940589][ T2478]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   89.940812][ T2478]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   89.940945][ T2478]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   89.941076][ T2478]  ? __ia32_sys_open (fs/open.c:1374)
[   89.941209][ T2478]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   89.941345][ T2478]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   89.941568][ T2478]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.941701][ T2478]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.941832][ T2478]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.941963][ T2478]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.942213][ T2478] RIP: 0033:0x7f5d9c878bcb
[   89.942356][ T2478] 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
[   89.942921][ T2478] RSP: 002b:00007ffde12490c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   89.943119][ T2478] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5d9c878bcb
[   89.943409][ T2478] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   89.943609][ T2478] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   89.943810][ T2478] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffde124b2f0
[   89.944096][ T2478] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffde124c887
| [   89.948564][ T2478] ------------[ cut here ]------------
| [   89.948706][ T2478] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2478
| [   89.949047][ T2478] Modules linked in: xfrm_user nf_tables
| [   89.949541][ T2478] Tainted: [W]=WARN
[   89.949638][ T2478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.949807][ T2478] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.949977][ T2478] 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
[   89.950541][ T2478] RSP: 0018:ffa000000348fa78 EFLAGS: 00010286
[   89.950797][ T2478] RAX: 00000000ffffffa6 RBX: ff1100000c540e40 RCX: 1ff4000000691f15
[   89.950991][ T2478] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c540efc
[   89.951186][ T2478] RBP: ff1100000e46c000 R08: 1fe22000018a81e1 R09: ff11000013a9d180
[   89.951473][ T2478] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   89.951674][ T2478] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e46c000
[   89.951957][ T2478] FS:  00007f5d9c5b6840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   89.952185][ T2478] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.952354][ T2478] CR2: 00007f5d9c92f493 CR3: 000000000fbdf001 CR4: 0000000000771ef0
[   89.952642][ T2478] PKRU: 55555554
[   89.952744][ T2478] Call Trace:
[   89.952841][ T2478]  <TASK>
[   89.952908][ T2478]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.953039][ T2478]  ? notifier_call_chain (kernel/notifier.c:85)
[   89.953255][ T2478]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.953361][ T2478]  register_netdevice (net/core/dev.c:11488)
[   89.953496][ T2478]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   89.953665][ T2478]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.953884][ T2478]  register_netdev (net/core/dev.c:11552)
[   89.954014][ T2478]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   89.954147][ T2478]  ops_init (net/core/net_namespace.c:137)
[   89.954248][ T2478]  setup_net (net/core/net_namespace.c:446)
[   89.954438][ T2478]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   89.954574][ T2478]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   89.954710][ T2478]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   89.954843][ T2478]  copy_net_ns (net/core/net_namespace.c:579)
[   89.955060][ T2478]  create_new_namespaces (kernel/nsproxy.c:132)
[   89.955193][ T2478]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   89.955330][ T2478]  ksys_unshare (kernel/fork.c:3243)
[   89.955461][ T2478]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   89.955685][ T2478]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   89.955816][ T2478]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   89.955948][ T2478]  ? __ia32_sys_open (fs/open.c:1374)
[   89.956081][ T2478]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   89.956304][ T2478]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   89.956434][ T2478]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.956567][ T2478]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.956699][ T2478]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.956914][ T2478]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.957075][ T2478] RIP: 0033:0x7f5d9c878bcb
[   89.957210][ T2478] 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
[   89.957777][ T2478] RSP: 002b:00007ffde12490c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   89.957974][ T2478] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5d9c878bcb
[   89.958256][ T2478] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   89.958457][ T2478] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   89.958659][ T2478] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffde124b2f0
[   89.958853][ T2478] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffde124c887
| [   89.971197][ T2478] ------------[ cut here ]------------
| [   89.971381][ T2478] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2478
| [   89.971712][ T2478] Modules linked in: xfrm_user nf_tables
| [   89.972200][ T2478] Tainted: [W]=WARN
[   89.972354][ T2478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.972571][ T2478] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.972805][ T2478] 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
[   89.973315][ T2478] RSP: 0018:ffa000000348fa68 EFLAGS: 00010286
[   89.973528][ T2478] RAX: 00000000ffffffa6 RBX: ff1100000c540ac0 RCX: 1ff4000000691f13
[   89.973781][ T2478] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c540b7c
[   89.974024][ T2478] RBP: ff11000009701000 R08: 1fe22000018a8171 R09: ff11000013a9d180
[   89.974270][ T2478] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   89.974512][ T2478] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009701000
[   89.974769][ T2478] FS:  00007f5d9c5b6840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   89.975049][ T2478] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.975258][ T2478] CR2: 00007f91422e5000 CR3: 000000000fbdf005 CR4: 0000000000771ef0
[   89.975510][ T2478] PKRU: 55555554
[   89.975671][ T2478] Call Trace:
[   89.975815][ T2478]  <TASK>
[   89.975930][ T2478]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.976112][ T2478]  ? notifier_call_chain (kernel/notifier.c:85)
[   89.976296][ T2478]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.976444][ T2478]  register_netdevice (net/core/dev.c:11488)
[   89.976628][ T2478]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   89.976853][ T2478]  register_netdev (net/core/dev.c:11552)
[   89.977030][ T2478]  sit_init_net (net/ipv6/sit.c:1860)
[   89.977207][ T2478]  ops_init (net/core/net_namespace.c:137)
[   89.977365][ T2478]  setup_net (net/core/net_namespace.c:446)
[   89.977518][ T2478]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   89.977707][ T2478]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   89.977886][ T2478]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   89.978067][ T2478]  copy_net_ns (net/core/net_namespace.c:579)
[   89.978247][ T2478]  create_new_namespaces (kernel/nsproxy.c:132)
[   89.978438][ T2478]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   89.978625][ T2478]  ksys_unshare (kernel/fork.c:3243)
[   89.978815][ T2478]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   89.978993][ T2478]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   89.979170][ T2478]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   89.979356][ T2478]  ? __ia32_sys_open (fs/open.c:1374)
[   89.979538][ T2478]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   89.979728][ T2478]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   89.979905][ T2478]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.980087][ T2478]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.980271][ T2478]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.980450][ T2478]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.980678][ T2478] RIP: 0033:0x7f5d9c878bcb
[   89.980859][ T2478] 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
[   89.981370][ T2478] RSP: 002b:00007ffde12490c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   89.981618][ T2478] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5d9c878bcb
[   89.981867][ T2478] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   89.982106][ T2478] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   89.982356][ T2478] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffde124b2f0
[   89.982604][ T2478] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffde124c887
| [   89.987289][ T2478] ------------[ cut here ]------------
| [   89.987461][ T2478] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2478
| [   89.987787][ T2478] Modules linked in: xfrm_user nf_tables
| [   89.988283][ T2478] Tainted: [W]=WARN
[   89.988432][ T2478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   89.988648][ T2478] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   89.988878][ T2478] 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
[   89.989392][ T2478] RSP: 0018:ffa000000348fa78 EFLAGS: 00010286
[   89.989615][ T2478] RAX: 00000000ffffffa6 RBX: ff1100000f9b9a80 RCX: 1ff4000000691f15
[   89.989865][ T2478] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f9b9b3c
[   89.990103][ T2478] RBP: ff1100000901c000 R08: 1fe2200001f37369 R09: ff11000013a9d180
[   89.990351][ T2478] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   89.990603][ T2478] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000901c000
[   89.990860][ T2478] FS:  00007f5d9c5b6840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   89.991134][ T2478] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   89.991354][ T2478] CR2: 00007f91422e5000 CR3: 000000000fbdf005 CR4: 0000000000771ef0
[   89.991606][ T2478] PKRU: 55555554
[   89.991767][ T2478] Call Trace:
[   89.991912][ T2478]  <TASK>
[   89.992025][ T2478]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   89.992204][ T2478]  ? notifier_call_chain (kernel/notifier.c:85)
[   89.992391][ T2478]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   89.992545][ T2478]  register_netdevice (net/core/dev.c:11488)
[   89.992737][ T2478]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   89.992945][ T2478]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   89.993130][ T2478]  register_netdev (net/core/dev.c:11552)
[   89.993313][ T2478]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   89.993491][ T2478]  ops_init (net/core/net_namespace.c:137)
[   89.993645][ T2478]  setup_net (net/core/net_namespace.c:446)
[   89.993806][ T2478]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   89.993980][ T2478]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   89.994160][ T2478]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   89.994350][ T2478]  copy_net_ns (net/core/net_namespace.c:579)
[   89.994535][ T2478]  create_new_namespaces (kernel/nsproxy.c:132)
[   89.994730][ T2478]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   89.994910][ T2478]  ksys_unshare (kernel/fork.c:3243)
[   89.995087][ T2478]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   89.995272][ T2478]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   89.995449][ T2478]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   89.995638][ T2478]  ? __ia32_sys_open (fs/open.c:1374)
[   89.995832][ T2478]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   89.996007][ T2478]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   89.996185][ T2478]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   89.996371][ T2478]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   89.996554][ T2478]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   89.996745][ T2478]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   89.996954][ T2478] RIP: 0033:0x7f5d9c878bcb
[   89.997140][ T2478] 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
[   89.997672][ T2478] RSP: 002b:00007ffde12490c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   89.997937][ T2478] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5d9c878bcb
[   89.998180][ T2478] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   89.998427][ T2478] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   89.998686][ T2478] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffde124b2f0
[   89.998927][ T2478] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffde124c887
| [   90.034931][ T2479] ------------[ cut here ]------------
| [   90.035075][ T2479] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2479
| [   90.035338][ T2479] Modules linked in: xfrm_user nf_tables
| [   90.035745][ T2479] Tainted: [W]=WARN
[   90.035842][ T2479] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.036005][ T2479] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.036173][ T2479] 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
[   90.036643][ T2479] RSP: 0018:ffa000000349f020 EFLAGS: 00010286
[   90.036813][ T2479] RAX: 00000000ffffffa6 RBX: ff1100000df543c0 RCX: 1ff4000000693dca
[   90.037008][ T2479] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df5447c
[   90.037203][ T2479] RBP: ff1100000f0d1000 R08: 1fe2200001bea891 R09: ff11000013a9ae58
[   90.037399][ T2479] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   90.037594][ T2479] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   90.037794][ T2479] FS:  00007f34eb6c7840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   90.038021][ T2479] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.038185][ T2479] CR2: 00000000036f7988 CR3: 0000000015441002 CR4: 0000000000771ef0
[   90.038384][ T2479] PKRU: 55555554
[   90.038480][ T2479] Call Trace:
[   90.038577][ T2479]  <TASK>
[   90.038644][ T2479]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.038782][ T2479]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.038881][ T2479]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   90.039012][ T2479]  __dev_notify_flags (net/core/dev.c:9787)
[   90.039142][ T2479]  ? netif_change_name (net/core/dev.c:1495)
[   90.039277][ T2479]  ? __dev_change_flags (net/core/dev.c:9752)
[   90.039407][ T2479]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   90.039540][ T2479]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   90.039679][ T2479]  ? 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))
[   90.039811][ T2479]  netif_change_flags (net/core/dev.c:9820)
[   90.039941][ T2479]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   90.040071][ T2479]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   90.040203][ T2479]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   90.040338][ T2479]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   90.040501][ T2479]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   90.040633][ T2479]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   90.040769][ T2479]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   90.040899][ T2479]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   90.041031][ T2479]  ? __kernel_text_address (kernel/extable.c:79)
[   90.041162][ T2479]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   90.041299][ T2479]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   90.041428][ T2479]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   90.041563][ T2479]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   90.041697][ T2479]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   90.041825][ T2479]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   90.041955][ T2479]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   90.042085][ T2479]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   90.042215][ T2479]  ? __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)
[   90.042351][ T2479]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   90.042480][ T2479]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   90.042613][ T2479]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   90.042752][ T2479]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   90.042885][ T2479]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   90.043017][ T2479]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   90.043146][ T2479]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   90.043280][ T2479]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   90.043410][ T2479]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   90.043542][ T2479]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   90.043680][ T2479]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   90.043809][ T2479]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   90.043937][ T2479]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   90.044068][ T2479]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   90.044198][ T2479]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   90.044335][ T2479]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   90.044466][ T2479]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   90.044599][ T2479]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   90.044731][ T2479]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   90.044861][ T2479]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   90.044989][ T2479]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   90.045119][ T2479]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   90.045249][ T2479]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   90.045383][ T2479]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   90.045519][ T2479]  ? 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))
[   90.045649][ T2479]  ? 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))
[   90.045787][ T2479]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   90.045917][ T2479]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   90.046047][ T2479]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   90.046179][ T2479]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   90.046314][ T2479]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   90.046444][ T2479]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   90.046579][ T2479]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   90.046715][ T2479]  ? copy_msghdr_from_user (net/socket.c:2635)
[   90.046844][ T2479]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   90.047003][ T2479]  ? move_addr_to_kernel (net/socket.c:258)
[   90.047134][ T2479]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   90.047266][ T2479]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   90.047397][ T2479]  ___sys_sendmsg (net/socket.c:2752)
[   90.047530][ T2479]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   90.047695][ T2479]  ? copy_msghdr_from_user (net/socket.c:2603)
[   90.047837][ T2479]  __sys_sendmsg (net/socket.c:2784)
[   90.047968][ T2479]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   90.048097][ T2479]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   90.048260][ T2479]  ? 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)
[   90.048396][ T2479]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   90.048530][ T2479]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.048664][ T2479]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.048793][ T2479]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.048921][ T2479]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.049080][ T2479] RIP: 0033:0x7f34eb90108e
[   90.049214][ T2479] 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
[   90.049684][ T2479] RSP: 002b:00007ffccf0e3d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   90.049878][ T2479] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f34eb90108e
[   90.050070][ T2479] RDX: 0000000000000000 RSI: 00007ffccf0e3db0 RDI: 0000000000000005
[   90.050267][ T2479] RBP: 00007ffccf0e3d10 R08: 0000000000000000 R09: 0000000000000000
[   90.050459][ T2479] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d884
[   90.050659][ T2479] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffccf0e4480
| [   90.166809][ T2483] ------------[ cut here ]------------
| [   90.166959][ T2483] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2483
| [   90.167221][ T2483] Modules linked in: xfrm_user nf_tables
| [   90.167637][ T2483] Tainted: [W]=WARN
[   90.168346][ T2483] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.168514][ T2483] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.168757][ T2483] 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
[   90.169223][ T2483] RSP: 0018:ffa00000034dfa80 EFLAGS: 00010286
[   90.169393][ T2483] RAX: 00000000ffffffa6 RBX: ff1100000bd90200 RCX: 1ff400000069bf16
[   90.169590][ T2483] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd902bc
[   90.169851][ T2483] RBP: ff11000009741000 R08: 1fe22000017b2059 R09: ff1100000abaae80
[   90.170048][ T2483] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   90.170246][ T2483] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009741000
[   90.170462][ T2483] FS:  00007f331a8af840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   90.170701][ T2483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.170868][ T2483] CR2: 00007f331aab6430 CR3: 0000000012d87002 CR4: 0000000000771ef0
[   90.171064][ T2483] PKRU: 55555554
[   90.171162][ T2483] Call Trace:
[   90.171259][ T2483]  <TASK>
[   90.171331][ T2483]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.171461][ T2483]  ? notifier_call_chain (kernel/notifier.c:85)
[   90.171597][ T2483]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.171701][ T2483]  register_netdevice (net/core/dev.c:11488)
[   90.171834][ T2483]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   90.171997][ T2483]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   90.172129][ T2483]  register_netdev (net/core/dev.c:11552)
[   90.172258][ T2483]  loopback_net_init (drivers/net/loopback.c:218)
[   90.172393][ T2483]  ops_init (net/core/net_namespace.c:137)
[   90.172493][ T2483]  setup_net (net/core/net_namespace.c:446)
[   90.172595][ T2483]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   90.172728][ T2483]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   90.172859][ T2483]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   90.172991][ T2483]  copy_net_ns (net/core/net_namespace.c:579)
[   90.173123][ T2483]  create_new_namespaces (kernel/nsproxy.c:132)
[   90.173256][ T2483]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   90.173393][ T2483]  ksys_unshare (kernel/fork.c:3243)
[   90.173527][ T2483]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   90.173664][ T2483]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   90.173795][ T2483]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   90.173926][ T2483]  ? __ia32_sys_open (fs/open.c:1374)
[   90.174060][ T2483]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   90.174189][ T2483]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   90.174324][ T2483]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.174454][ T2483]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.174588][ T2483]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.174722][ T2483]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.174883][ T2483] RIP: 0033:0x7f331ab71bcb
[   90.175018][ T2483] 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
[   90.175489][ T2483] RSP: 002b:00007ffeab96e598 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   90.175696][ T2483] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f331ab71bcb
[   90.175892][ T2483] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   90.176086][ T2483] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   90.176287][ T2483] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeab9707c0
[   90.176482][ T2483] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeab971887
| [   90.187690][ T2483] ------------[ cut here ]------------
| [   90.187832][ T2483] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2483
| [   90.188094][ T2483] Modules linked in: xfrm_user nf_tables
| [   90.188491][ T2483] Tainted: [W]=WARN
[   90.188592][ T2483] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.188758][ T2483] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.188928][ T2483] 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
[   90.189392][ T2483] RSP: 0018:ffa00000034df918 EFLAGS: 00010286
[   90.189559][ T2483] RAX: 00000000ffffffa6 RBX: ff11000012147540 RCX: 1ff400000069bee9
[   90.189757][ T2483] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121475fc
[   90.189950][ T2483] RBP: ff1100000fbf1000 R08: 1fe2200002428ec1 R09: ff1100000abaae80
[   90.190144][ T2483] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   90.190339][ T2483] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fbf1000
[   90.190540][ T2483] FS:  00007f331a8af840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   90.190770][ T2483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.190932][ T2483] CR2: 00007f331aab6430 CR3: 0000000012d87002 CR4: 0000000000771ef0
[   90.191129][ T2483] PKRU: 55555554
[   90.191225][ T2483] Call Trace:
[   90.191324][ T2483]  <TASK>
[   90.191392][ T2483]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.191525][ T2483]  ? notifier_call_chain (kernel/notifier.c:85)
[   90.191659][ T2483]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.191758][ T2483]  register_netdevice (net/core/dev.c:11488)
[   90.191888][ T2483]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   90.192048][ T2483]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   90.192179][ T2483]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   90.192311][ T2483]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   90.192441][ T2483]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   90.192575][ T2483]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   90.192709][ T2483]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   90.192842][ T2483]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   90.192972][ T2483]  ops_init (net/core/net_namespace.c:137)
[   90.193071][ T2483]  setup_net (net/core/net_namespace.c:446)
[   90.193168][ T2483]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   90.193303][ T2483]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   90.193432][ T2483]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   90.193567][ T2483]  copy_net_ns (net/core/net_namespace.c:579)
[   90.193722][ T2483]  create_new_namespaces (kernel/nsproxy.c:132)
[   90.193857][ T2483]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   90.193987][ T2483]  ksys_unshare (kernel/fork.c:3243)
[   90.194116][ T2483]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   90.194247][ T2483]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   90.194382][ T2483]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   90.194515][ T2483]  ? __ia32_sys_open (fs/open.c:1374)
[   90.194647][ T2483]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   90.194780][ T2483]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   90.194910][ T2483]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.195038][ T2483]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.195166][ T2483]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.195301][ T2483]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.195462][ T2483] RIP: 0033:0x7f331ab71bcb
[   90.195599][ T2483] 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
[   90.196064][ T2483] RSP: 002b:00007ffeab96e598 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   90.196259][ T2483] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f331ab71bcb
[   90.196459][ T2483] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   90.196657][ T2483] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   90.196850][ T2483] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeab9707c0
[   90.197040][ T2483] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeab971887
| [   90.200820][ T2483] ------------[ cut here ]------------
| [   90.200956][ T2483] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2483
| [   90.201219][ T2483] Modules linked in: xfrm_user nf_tables
| [   90.201628][ T2483] Tainted: [W]=WARN
[   90.201730][ T2483] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.201896][ T2483] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.202066][ T2483] 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
[   90.202539][ T2483] RSP: 0018:ffa00000034df8f8 EFLAGS: 00010286
[   90.202710][ T2483] RAX: 00000000ffffffa6 RBX: ff1100001246fa80 RCX: 1ff400000069bee5
[   90.202906][ T2483] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246fb3c
[   90.203101][ T2483] RBP: ff11000012b1c000 R08: 1fe220000248df69 R09: ff1100000abaae80
[   90.203302][ T2483] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   90.203498][ T2483] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012b1c000
[   90.203705][ T2483] FS:  00007f331a8af840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   90.203933][ T2483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.204097][ T2483] CR2: 00007f331aab6430 CR3: 0000000012d87002 CR4: 0000000000771ef0
[   90.204298][ T2483] PKRU: 55555554
[   90.204396][ T2483] Call Trace:
[   90.204492][ T2483]  <TASK>
[   90.204565][ T2483]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.204700][ T2483]  ? notifier_call_chain (kernel/notifier.c:85)
[   90.204833][ T2483]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.204934][ T2483]  register_netdevice (net/core/dev.c:11488)
[   90.205068][ T2483]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   90.205232][ T2483]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   90.205372][ T2483]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   90.205507][ T2483]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   90.205638][ T2483]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   90.205775][ T2483]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   90.205906][ T2483]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   90.206040][ T2483]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   90.206172][ T2483]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   90.206310][ T2483]  vti_init_net (net/ipv4/ip_vti.c:517)
[   90.206442][ T2483]  ops_init (net/core/net_namespace.c:137)
[   90.206547][ T2483]  setup_net (net/core/net_namespace.c:446)
[   90.206647][ T2483]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   90.206782][ T2483]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   90.206913][ T2483]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   90.207045][ T2483]  copy_net_ns (net/core/net_namespace.c:579)
[   90.207178][ T2483]  create_new_namespaces (kernel/nsproxy.c:132)
[   90.207314][ T2483]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   90.207449][ T2483]  ksys_unshare (kernel/fork.c:3243)
[   90.207581][ T2483]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   90.207717][ T2483]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   90.207848][ T2483]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   90.207979][ T2483]  ? __ia32_sys_open (fs/open.c:1374)
[   90.208113][ T2483]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   90.208244][ T2483]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   90.208382][ T2483]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.208515][ T2483]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.208646][ T2483]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.208781][ T2483]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.208942][ T2483] RIP: 0033:0x7f331ab71bcb
[   90.209079][ T2483] 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
[   90.209549][ T2483] RSP: 002b:00007ffeab96e598 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   90.209751][ T2483] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f331ab71bcb
[   90.209945][ T2483] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   90.210140][ T2483] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   90.210340][ T2483] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeab9707c0
[   90.210539][ T2483] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeab971887
| [   90.214616][ T2483] ------------[ cut here ]------------
| [   90.214808][ T2483] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2483
| [   90.215065][ T2483] Modules linked in: xfrm_user nf_tables
| [   90.215468][ T2483] Tainted: [W]=WARN
[   90.215571][ T2483] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.215740][ T2483] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.215909][ T2483] 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
[   90.216374][ T2483] RSP: 0018:ffa00000034dfa78 EFLAGS: 00010286
[   90.216542][ T2483] RAX: 00000000ffffffa6 RBX: ff1100001246e580 RCX: 1ff400000069bf15
[   90.216741][ T2483] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e63c
[   90.216935][ T2483] RBP: ff11000013034000 R08: 1fe220000248dcc9 R09: ff1100000abaae80
[   90.217130][ T2483] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   90.217329][ T2483] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013034000
[   90.217528][ T2483] FS:  00007f331a8af840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   90.217761][ T2483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.217924][ T2483] CR2: 00007f331aab6430 CR3: 0000000012d87002 CR4: 0000000000771ef0
[   90.218120][ T2483] PKRU: 55555554
[   90.218216][ T2483] Call Trace:
[   90.218317][ T2483]  <TASK>
[   90.218384][ T2483]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.218516][ T2483]  ? notifier_call_chain (kernel/notifier.c:85)
[   90.218648][ T2483]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.218752][ T2483]  register_netdevice (net/core/dev.c:11488)
[   90.218887][ T2483]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   90.219048][ T2483]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   90.219180][ T2483]  register_netdev (net/core/dev.c:11552)
[   90.219314][ T2483]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   90.219446][ T2483]  ops_init (net/core/net_namespace.c:137)
[   90.219549][ T2483]  setup_net (net/core/net_namespace.c:446)
[   90.219649][ T2483]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   90.219787][ T2483]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   90.219915][ T2483]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   90.220048][ T2483]  copy_net_ns (net/core/net_namespace.c:579)
[   90.220178][ T2483]  create_new_namespaces (kernel/nsproxy.c:132)
[   90.220316][ T2483]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   90.220448][ T2483]  ksys_unshare (kernel/fork.c:3243)
[   90.220580][ T2483]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   90.220717][ T2483]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   90.220848][ T2483]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   90.220978][ T2483]  ? __ia32_sys_open (fs/open.c:1374)
[   90.221109][ T2483]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   90.221239][ T2483]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   90.221371][ T2483]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.221501][ T2483]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.221633][ T2483]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.221770][ T2483]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.221930][ T2483] RIP: 0033:0x7f331ab71bcb
[   90.222067][ T2483] 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
[   90.222536][ T2483] RSP: 002b:00007ffeab96e598 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   90.222738][ T2483] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f331ab71bcb
[   90.222932][ T2483] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   90.223126][ T2483] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   90.223326][ T2483] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeab9707c0
[   90.223524][ T2483] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeab971887
| [   90.227707][ T2483] ------------[ cut here ]------------
| [   90.227926][ T2483] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2483
| [   90.228187][ T2483] Modules linked in: xfrm_user nf_tables
| [   90.228686][ T2483] Tainted: [W]=WARN
[   90.228785][ T2483] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.228949][ T2483] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.229210][ T2483] 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
[   90.229685][ T2483] RSP: 0018:ffa00000034dfa68 EFLAGS: 00010286
[   90.229849][ T2483] RAX: 00000000ffffffa6 RBX: ff110000121463c0 RCX: 1ff400000069bf13
[   90.230043][ T2483] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001214647c
[   90.230330][ T2483] RBP: ff11000012411000 R08: 1fe2200002428c91 R09: ff1100000abaae80
[   90.230529][ T2483] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   90.230730][ T2483] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012411000
[   90.231015][ T2483] FS:  00007f331a8af840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   90.231241][ T2483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.231408][ T2483] CR2: 00007f331aab6430 CR3: 0000000012d87002 CR4: 0000000000771ef0
[   90.231701][ T2483] PKRU: 55555554
[   90.231798][ T2483] Call Trace:
[   90.231895][ T2483]  <TASK>
[   90.231963][ T2483]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.232181][ T2483]  ? notifier_call_chain (kernel/notifier.c:85)
[   90.232316][ T2483]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.232415][ T2483]  register_netdevice (net/core/dev.c:11488)
[   90.232549][ T2483]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   90.232719][ T2483]  register_netdev (net/core/dev.c:11552)
[   90.232849][ T2483]  sit_init_net (net/ipv6/sit.c:1860)
[   90.232982][ T2483]  ops_init (net/core/net_namespace.c:137)
[   90.233080][ T2483]  setup_net (net/core/net_namespace.c:446)
[   90.233179][ T2483]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   90.233401][ T2483]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   90.233535][ T2483]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   90.233672][ T2483]  copy_net_ns (net/core/net_namespace.c:579)
[   90.233805][ T2483]  create_new_namespaces (kernel/nsproxy.c:132)
[   90.234024][ T2483]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   90.234156][ T2483]  ksys_unshare (kernel/fork.c:3243)
[   90.234290][ T2483]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   90.234420][ T2483]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   90.234640][ T2483]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   90.234776][ T2483]  ? __ia32_sys_open (fs/open.c:1374)
[   90.234909][ T2483]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   90.235039][ T2483]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   90.235252][ T2483]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.235387][ T2483]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.235517][ T2483]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.235648][ T2483]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.235900][ T2483] RIP: 0033:0x7f331ab71bcb
[   90.236035][ T2483] 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
[   90.236598][ T2483] RSP: 002b:00007ffeab96e598 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   90.236797][ T2483] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f331ab71bcb
[   90.237080][ T2483] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   90.237277][ T2483] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   90.237471][ T2483] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeab9707c0
[   90.237764][ T2483] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeab971887
| [   90.244364][ T2483] ------------[ cut here ]------------
| [   90.244503][ T2483] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2483
| [   90.244767][ T2483] Modules linked in: xfrm_user nf_tables
| [   90.245164][ T2483] Tainted: [W]=WARN
[   90.245266][ T2483] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.245427][ T2483] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.245599][ T2483] 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
[   90.246604][ T2483] RSP: 0018:ffa00000034dfa78 EFLAGS: 00010286
[   90.246831][ T2483] RAX: 00000000ffffffa6 RBX: ff1100000fca6040 RCX: 1ff400000069bf15
[   90.247026][ T2483] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fca60fc
[   90.247220][ T2483] RBP: ff110000125bc000 R08: 1fe2200001f94c21 R09: ff1100000abaae80
[   90.247422][ T2483] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   90.247621][ T2483] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000125bc000
[   90.247873][ T2483] FS:  00007f331a8af840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   90.248101][ T2483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.248322][ T2483] CR2: 00007f331aab6430 CR3: 0000000012d87002 CR4: 0000000000771ef0
[   90.248523][ T2483] PKRU: 55555554
[   90.248618][ T2483] Call Trace:
[   90.248770][ T2483]  <TASK>
[   90.248838][ T2483]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.248967][ T2483]  ? notifier_call_chain (kernel/notifier.c:85)
[   90.249098][ T2483]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.249197][ T2483]  register_netdevice (net/core/dev.c:11488)
[   90.249335][ T2483]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   90.249495][ T2483]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   90.249631][ T2483]  register_netdev (net/core/dev.c:11552)
[   90.249815][ T2483]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   90.249946][ T2483]  ops_init (net/core/net_namespace.c:137)
[   90.250045][ T2483]  setup_net (net/core/net_namespace.c:446)
[   90.250142][ T2483]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   90.250275][ T2483]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   90.250406][ T2483]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   90.250542][ T2483]  copy_net_ns (net/core/net_namespace.c:579)
[   90.250729][ T2483]  create_new_namespaces (kernel/nsproxy.c:132)
[   90.250861][ T2483]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   90.250991][ T2483]  ksys_unshare (kernel/fork.c:3243)
[   90.251122][ T2483]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   90.251253][ T2483]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   90.251390][ T2483]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   90.251523][ T2483]  ? __ia32_sys_open (fs/open.c:1374)
[   90.251710][ T2483]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   90.251840][ T2483]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   90.251969][ T2483]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.252099][ T2483]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.252227][ T2483]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.252362][ T2483]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.252525][ T2483] RIP: 0033:0x7f331ab71bcb
[   90.252717][ T2483] 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
[   90.253177][ T2483] RSP: 002b:00007ffeab96e598 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   90.253378][ T2483] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f331ab71bcb
[   90.253576][ T2483] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   90.253826][ T2483] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   90.254018][ T2483] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeab9707c0
[   90.254212][ T2483] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeab971887
| [   90.290577][ T2484] ------------[ cut here ]------------
| [   90.290762][ T2484] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2484
| [   90.291065][ T2484] Modules linked in: xfrm_user nf_tables
| [   90.291573][ T2484] Tainted: [W]=WARN
[   90.291736][ T2484] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.291946][ T2484] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.292162][ T2484] 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
[   90.292692][ T2484] RSP: 0018:ffa00000034ef020 EFLAGS: 00010286
[   90.292902][ T2484] RAX: 00000000ffffffa6 RBX: ff1100000fca7c40 RCX: 1ff400000069ddca
[   90.293140][ T2484] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fca7cfc
[   90.293388][ T2484] RBP: ff11000009741000 R08: 1fe2200001f94fa1 R09: ff1100000e602e58
[   90.293635][ T2484] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   90.293886][ T2484] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   90.294127][ T2484] FS:  00007f6585d28840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   90.294403][ T2484] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.294619][ T2484] CR2: 00000000006d5988 CR3: 000000000eba7002 CR4: 0000000000771ef0
[   90.294871][ T2484] PKRU: 55555554
[   90.295014][ T2484] Call Trace:
[   90.295159][ T2484]  <TASK>
[   90.295279][ T2484]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.295459][ T2484]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.295615][ T2484]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   90.295801][ T2484]  __dev_notify_flags (net/core/dev.c:9787)
[   90.295981][ T2484]  ? netif_change_name (net/core/dev.c:1495)
[   90.296159][ T2484]  ? __dev_change_flags (net/core/dev.c:9752)
[   90.296344][ T2484]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   90.296522][ T2484]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   90.296714][ T2484]  ? 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))
[   90.296895][ T2484]  netif_change_flags (net/core/dev.c:9820)
[   90.297074][ T2484]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   90.297250][ T2484]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   90.297439][ T2484]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   90.297624][ T2484]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   90.297846][ T2484]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   90.298022][ T2484]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   90.298198][ T2484]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   90.298383][ T2484]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   90.298569][ T2484]  ? __kernel_text_address (kernel/extable.c:79)
[   90.298759][ T2484]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   90.298938][ T2484]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   90.299114][ T2484]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   90.299298][ T2484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   90.299475][ T2484]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   90.299668][ T2484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   90.299844][ T2484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   90.300021][ T2484]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   90.300198][ T2484]  ? __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)
[   90.300382][ T2484]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   90.300572][ T2484]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   90.300765][ T2484]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   90.300944][ T2484]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   90.301126][ T2484]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   90.301312][ T2484]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   90.301486][ T2484]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   90.301682][ T2484]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   90.301860][ T2484]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   90.302037][ T2484]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   90.302216][ T2484]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   90.302399][ T2484]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   90.302584][ T2484]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   90.302776][ T2484]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   90.302955][ T2484]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   90.303132][ T2484]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   90.303313][ T2484]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   90.303489][ T2484]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   90.303686][ T2484]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   90.303865][ T2484]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   90.304041][ T2484]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   90.304218][ T2484]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   90.304405][ T2484]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   90.304589][ T2484]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   90.304783][ T2484]  ? 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))
[   90.304960][ T2484]  ? 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))
[   90.305141][ T2484]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   90.305332][ T2484]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   90.305515][ T2484]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   90.305707][ T2484]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   90.305887][ T2484]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   90.306066][ T2484]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   90.306245][ T2484]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   90.306432][ T2484]  ? copy_msghdr_from_user (net/socket.c:2635)
[   90.306615][ T2484]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   90.306832][ T2484]  ? move_addr_to_kernel (net/socket.c:258)
[   90.307014][ T2484]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   90.307194][ T2484]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   90.307377][ T2484]  ___sys_sendmsg (net/socket.c:2752)
[   90.307561][ T2484]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   90.307783][ T2484]  ? copy_msghdr_from_user (net/socket.c:2603)
[   90.307976][ T2484]  __sys_sendmsg (net/socket.c:2784)
[   90.308157][ T2484]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   90.308340][ T2484]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   90.308560][ T2484]  ? 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)
[   90.308752][ T2484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   90.308929][ T2484]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.309106][ T2484]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.309291][ T2484]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.309471][ T2484]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.309698][ T2484] RIP: 0033:0x7f6585f6208e
[   90.309882][ T2484] 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
[   90.310406][ T2484] RSP: 002b:00007ffd4c57e3d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   90.310666][ T2484] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6585f6208e
[   90.310905][ T2484] RDX: 0000000000000000 RSI: 00007ffd4c57e480 RDI: 0000000000000005
[   90.311143][ T2484] RBP: 00007ffd4c57e3e0 R08: 0000000000000000 R09: 0000000000000000
[   90.311392][ T2484] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d884
[   90.311639][ T2484] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4c57eb50
| [   90.434549][ T2488] ------------[ cut here ]------------
| [   90.434704][ T2488] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2488
| [   90.434965][ T2488] Modules linked in: xfrm_user nf_tables
| [   90.435376][ T2488] Tainted: [W]=WARN
[   90.435475][ T2488] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.435642][ T2488] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.435823][ T2488] 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
[   90.436294][ T2488] RSP: 0018:ffa000000351fa80 EFLAGS: 00010286
[   90.436457][ T2488] RAX: 00000000ffffffa6 RBX: ff11000008d42ac0 RCX: 1ff40000006a3f16
[   90.436660][ T2488] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d42b7c
[   90.436855][ T2488] RBP: ff1100000e62c000 R08: 1fe22000011a8571 R09: ff11000008e6d180
[   90.437049][ T2488] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   90.437243][ T2488] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e62c000
[   90.437445][ T2488] FS:  00007f2558163840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   90.437681][ T2488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.437846][ T2488] CR2: 00007f255836a430 CR3: 0000000012b2f006 CR4: 0000000000771ef0
[   90.438046][ T2488] PKRU: 55555554
[   90.438143][ T2488] Call Trace:
[   90.438240][ T2488]  <TASK>
[   90.438312][ T2488]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.438443][ T2488]  ? notifier_call_chain (kernel/notifier.c:85)
[   90.438577][ T2488]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.438681][ T2488]  register_netdevice (net/core/dev.c:11488)
[   90.438812][ T2488]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   90.438974][ T2488]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   90.439107][ T2488]  register_netdev (net/core/dev.c:11552)
[   90.439237][ T2488]  loopback_net_init (drivers/net/loopback.c:218)
[   90.439374][ T2488]  ops_init (net/core/net_namespace.c:137)
[   90.439474][ T2488]  setup_net (net/core/net_namespace.c:446)
[   90.439575][ T2488]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   90.439765][ T2488]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   90.439897][ T2488]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   90.440028][ T2488]  copy_net_ns (net/core/net_namespace.c:579)
[   90.440213][ T2488]  create_new_namespaces (kernel/nsproxy.c:132)
[   90.440353][ T2488]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   90.440485][ T2488]  ksys_unshare (kernel/fork.c:3243)
[   90.440620][ T2488]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   90.440771][ T2488]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   90.440900][ T2488]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   90.441033][ T2488]  ? __ia32_sys_open (fs/open.c:1374)
[   90.441166][ T2488]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   90.441302][ T2488]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   90.441432][ T2488]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.441565][ T2488]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.441697][ T2488]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.441827][ T2488]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.441988][ T2488] RIP: 0033:0x7f2558425bcb
[   90.442125][ T2488] 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
[   90.442599][ T2488] RSP: 002b:00007ffe27f489d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   90.442800][ T2488] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2558425bcb
[   90.442994][ T2488] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   90.443190][ T2488] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   90.443389][ T2488] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe27f4ac00
[   90.443587][ T2488] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe27f4c887
| [   90.447446][ T2488] ------------[ cut here ]------------
| [   90.447584][ T2488] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2488
| [   90.447849][ T2488] Modules linked in: xfrm_user nf_tables
| [   90.448244][ T2488] Tainted: [W]=WARN
[   90.448348][ T2488] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.448513][ T2488] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.448687][ T2488] 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
[   90.449146][ T2488] RSP: 0018:ffa000000351f918 EFLAGS: 00010286
[   90.449313][ T2488] RAX: 00000000ffffffa6 RBX: ff1100000cd41e00 RCX: 1ff40000006a3ee9
[   90.449508][ T2488] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd41ebc
[   90.449707][ T2488] RBP: ff1100000fd69000 R08: 1fe22000019a83d9 R09: ff11000008e6d180
[   90.449900][ T2488] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   90.450094][ T2488] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd69000
[   90.450292][ T2488] FS:  00007f2558163840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   90.450521][ T2488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.451193][ T2488] CR2: 00007f255836a430 CR3: 0000000012b2f006 CR4: 0000000000771ef0
[   90.451396][ T2488] PKRU: 55555554
[   90.451492][ T2488] Call Trace:
[   90.451593][ T2488]  <TASK>
[   90.451716][ T2488]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.451847][ T2488]  ? notifier_call_chain (kernel/notifier.c:85)
[   90.451978][ T2488]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.452077][ T2488]  register_netdevice (net/core/dev.c:11488)
[   90.452209][ T2488]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   90.452374][ T2488]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   90.452509][ T2488]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   90.452638][ T2488]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   90.452826][ T2488]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   90.452956][ T2488]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   90.453089][ T2488]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   90.453220][ T2488]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   90.453356][ T2488]  ops_init (net/core/net_namespace.c:137)
[   90.453456][ T2488]  setup_net (net/core/net_namespace.c:446)
[   90.453558][ T2488]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   90.453741][ T2488]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   90.453872][ T2488]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   90.454004][ T2488]  copy_net_ns (net/core/net_namespace.c:579)
[   90.454135][ T2488]  create_new_namespaces (kernel/nsproxy.c:132)
[   90.454270][ T2488]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   90.454402][ T2488]  ksys_unshare (kernel/fork.c:3243)
[   90.454535][ T2488]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   90.454717][ T2488]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   90.454853][ T2488]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   90.454982][ T2488]  ? __ia32_sys_open (fs/open.c:1374)
[   90.455113][ T2488]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   90.455242][ T2488]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   90.455375][ T2488]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.455507][ T2488]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.455636][ T2488]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.455821][ T2488]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.455983][ T2488] RIP: 0033:0x7f2558425bcb
[   90.456117][ T2488] 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
[   90.456588][ T2488] RSP: 002b:00007ffe27f489d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   90.456840][ T2488] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2558425bcb
[   90.457033][ T2488] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   90.457226][ T2488] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   90.457426][ T2488] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe27f4ac00
[   90.457625][ T2488] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe27f4c887
| [   90.462370][ T2488] ------------[ cut here ]------------
| [   90.462511][ T2488] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2488
| [   90.462778][ T2488] Modules linked in: xfrm_user nf_tables
| [   90.463175][ T2488] Tainted: [W]=WARN
[   90.463278][ T2488] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.463441][ T2488] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.463616][ T2488] 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
[   90.464631][ T2488] RSP: 0018:ffa000000351f8f8 EFLAGS: 00010286
[   90.464854][ T2488] RAX: 00000000ffffffa6 RBX: ff1100000b8851c0 RCX: 1ff40000006a3ee5
[   90.465052][ T2488] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b88527c
[   90.465247][ T2488] RBP: ff1100000d441000 R08: 1fe2200001710a51 R09: ff11000008e6d180
[   90.465449][ T2488] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   90.465644][ T2488] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d441000
[   90.465900][ T2488] FS:  00007f2558163840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   90.466129][ T2488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.466354][ T2488] CR2: 00007f255836a430 CR3: 0000000012b2f006 CR4: 0000000000771ef0
[   90.466551][ T2488] PKRU: 55555554
[   90.466648][ T2488] Call Trace:
[   90.466801][ T2488]  <TASK>
[   90.466869][ T2488]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.467000][ T2488]  ? notifier_call_chain (kernel/notifier.c:85)
[   90.467131][ T2488]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.467230][ T2488]  register_netdevice (net/core/dev.c:11488)
[   90.467367][ T2488]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   90.467534][ T2488]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   90.467720][ T2488]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   90.467853][ T2488]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   90.467986][ T2488]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   90.468119][ T2488]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   90.468250][ T2488]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   90.468389][ T2488]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   90.468521][ T2488]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   90.468710][ T2488]  vti_init_net (net/ipv4/ip_vti.c:517)
[   90.468842][ T2488]  ops_init (net/core/net_namespace.c:137)
[   90.468942][ T2488]  setup_net (net/core/net_namespace.c:446)
[   90.469044][ T2488]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   90.469173][ T2488]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   90.469310][ T2488]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   90.469442][ T2488]  copy_net_ns (net/core/net_namespace.c:579)
[   90.469578][ T2488]  create_new_namespaces (kernel/nsproxy.c:132)
[   90.469768][ T2488]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   90.469901][ T2488]  ksys_unshare (kernel/fork.c:3243)
[   90.470032][ T2488]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   90.470163][ T2488]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   90.470300][ T2488]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   90.470432][ T2488]  ? __ia32_sys_open (fs/open.c:1374)
[   90.470568][ T2488]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   90.470754][ T2488]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   90.470885][ T2488]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.471017][ T2488]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.471149][ T2488]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.471285][ T2488]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.471450][ T2488] RIP: 0033:0x7f2558425bcb
[   90.471589][ T2488] 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
[   90.472116][ T2488] RSP: 002b:00007ffe27f489d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   90.472321][ T2488] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2558425bcb
[   90.472517][ T2488] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   90.472769][ T2488] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   90.472964][ T2488] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe27f4ac00
[   90.473158][ T2488] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe27f4c887
| [   90.477530][ T2488] ------------[ cut here ]------------
| [   90.477716][ T2488] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2488
| [   90.478019][ T2488] Modules linked in: xfrm_user nf_tables
| [   90.478528][ T2488] Tainted: [W]=WARN
[   90.478695][ T2488] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.478904][ T2488] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.479120][ T2488] 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
[   90.479642][ T2488] RSP: 0018:ffa000000351fa78 EFLAGS: 00010286
[   90.479877][ T2488] RAX: 00000000ffffffa6 RBX: ff1100000fc64200 RCX: 1ff40000006a3f15
[   90.480119][ T2488] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc642bc
[   90.480368][ T2488] RBP: ff11000013a79000 R08: 1fe2200001f8c859 R09: ff11000008e6d180
[   90.480618][ T2488] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   90.480870][ T2488] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013a79000
[   90.481114][ T2488] FS:  00007f2558163840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   90.481398][ T2488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.481618][ T2488] CR2: 00007fa9023de2a0 CR3: 0000000012b2f002 CR4: 0000000000771ef0
[   90.481874][ T2488] PKRU: 55555554
[   90.482018][ T2488] Call Trace:
[   90.482164][ T2488]  <TASK>
[   90.482286][ T2488]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.482467][ T2488]  ? notifier_call_chain (kernel/notifier.c:85)
[   90.482666][ T2488]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.482815][ T2488]  register_netdevice (net/core/dev.c:11488)
[   90.482998][ T2488]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   90.483207][ T2488]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   90.483399][ T2488]  register_netdev (net/core/dev.c:11552)
[   90.483587][ T2488]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   90.483780][ T2488]  ops_init (net/core/net_namespace.c:137)
[   90.483929][ T2488]  setup_net (net/core/net_namespace.c:446)
[   90.484076][ T2488]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   90.484253][ T2488]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   90.484443][ T2488]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   90.484629][ T2488]  copy_net_ns (net/core/net_namespace.c:579)
[   90.484834][ T2488]  create_new_namespaces (kernel/nsproxy.c:132)
[   90.485014][ T2488]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   90.485194][ T2488]  ksys_unshare (kernel/fork.c:3243)
[   90.485376][ T2488]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   90.485562][ T2488]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   90.485756][ T2488]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   90.485935][ T2488]  ? __ia32_sys_open (fs/open.c:1374)
[   90.486115][ T2488]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   90.486300][ T2488]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   90.486477][ T2488]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.486673][ T2488]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.486850][ T2488]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.487030][ T2488]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.487237][ T2488] RIP: 0033:0x7f2558425bcb
[   90.487431][ T2488] 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
[   90.487959][ T2488] RSP: 002b:00007ffe27f489d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   90.488203][ T2488] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2558425bcb
[   90.488451][ T2488] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   90.488714][ T2488] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   90.488956][ T2488] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe27f4ac00
[   90.489200][ T2488] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe27f4c887
| [   90.498253][ T2488] ------------[ cut here ]------------
| [   90.498442][ T2488] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2488
| [   90.498764][ T2488] Modules linked in: xfrm_user nf_tables
| [   90.499254][ T2488] Tainted: [W]=WARN
[   90.499407][ T2488] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.499622][ T2488] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.499856][ T2488] 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
[   90.500367][ T2488] RSP: 0018:ffa000000351fa68 EFLAGS: 00010286
[   90.500585][ T2488] RAX: 00000000ffffffa6 RBX: ff1100000fc64e40 RCX: 1ff40000006a3f13
[   90.500838][ T2488] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc64efc
[   90.501076][ T2488] RBP: ff11000009804000 R08: 1fe2200001f8c9e1 R09: ff11000008e6d180
[   90.501324][ T2488] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   90.501571][ T2488] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009804000
[   90.501830][ T2488] FS:  00007f2558163840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   90.502103][ T2488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.502321][ T2488] CR2: 00007fa9023de2a0 CR3: 0000000012b2f002 CR4: 0000000000771ef0
[   90.502571][ T2488] PKRU: 55555554
[   90.502727][ T2488] Call Trace:
[   90.502872][ T2488]  <TASK>
[   90.502985][ T2488]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.503166][ T2488]  ? notifier_call_chain (kernel/notifier.c:85)
[   90.503354][ T2488]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.503501][ T2488]  register_netdevice (net/core/dev.c:11488)
[   90.503701][ T2488]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   90.503911][ T2488]  register_netdev (net/core/dev.c:11552)
[   90.504088][ T2488]  sit_init_net (net/ipv6/sit.c:1860)
[   90.504274][ T2488]  ops_init (net/core/net_namespace.c:137)
[   90.504424][ T2488]  setup_net (net/core/net_namespace.c:446)
[   90.504579][ T2488]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   90.504766][ T2488]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   90.504943][ T2488]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   90.505121][ T2488]  copy_net_ns (net/core/net_namespace.c:579)
[   90.505307][ T2488]  create_new_namespaces (kernel/nsproxy.c:132)
[   90.505488][ T2488]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   90.505688][ T2488]  ksys_unshare (kernel/fork.c:3243)
[   90.505865][ T2488]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   90.506040][ T2488]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   90.506217][ T2488]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   90.506404][ T2488]  ? __ia32_sys_open (fs/open.c:1374)
[   90.506590][ T2488]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   90.506778][ T2488]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   90.506955][ T2488]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.507130][ T2488]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.507311][ T2488]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.507488][ T2488]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.507714][ T2488] RIP: 0033:0x7f2558425bcb
[   90.507896][ T2488] 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
[   90.508405][ T2488] RSP: 002b:00007ffe27f489d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   90.508665][ T2488] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2558425bcb
[   90.508902][ T2488] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   90.509139][ T2488] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   90.509388][ T2488] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe27f4ac00
[   90.509635][ T2488] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe27f4c887
| [   90.514736][ T2488] ------------[ cut here ]------------
| [   90.514912][ T2488] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2488
| [   90.515212][ T2488] Modules linked in: xfrm_user nf_tables
| [   90.515732][ T2488] Tainted: [W]=WARN
[   90.515876][ T2488] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.516084][ T2488] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.516306][ T2488] 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
[   90.517366][ T2488] RSP: 0018:ffa000000351fa78 EFLAGS: 00010286
[   90.517639][ T2488] RAX: 00000000ffffffa6 RBX: ff1100000a0cf700 RCX: 1ff40000006a3f15
[   90.517945][ T2488] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a0cf7bc
[   90.518239][ T2488] RBP: ff1100000cce4000 R08: 1fe2200001419ef9 R09: ff11000008e6d180
[   90.518547][ T2488] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   90.518853][ T2488] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cce4000
[   90.519147][ T2488] FS:  00007f2558163840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   90.519482][ T2488] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.519760][ T2488] CR2: 00007fa9023de2a0 CR3: 0000000012b2f002 CR4: 0000000000771ef0
[   90.520059][ T2488] PKRU: 55555554
[   90.520252][ T2488] Call Trace:
[   90.520456][ T2488]  <TASK>
[   90.520629][ T2488]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.520873][ T2488]  ? notifier_call_chain (kernel/notifier.c:85)
[   90.521104][ T2488]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.521309][ T2488]  register_netdevice (net/core/dev.c:11488)
[   90.521551][ T2488]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   90.521827][ T2488]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   90.522060][ T2488]  register_netdev (net/core/dev.c:11552)
[   90.522298][ T2488]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   90.522538][ T2488]  ops_init (net/core/net_namespace.c:137)
[   90.522750][ T2488]  setup_net (net/core/net_namespace.c:446)
[   90.522950][ T2488]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   90.523156][ T2488]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   90.523346][ T2488]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   90.523529][ T2488]  copy_net_ns (net/core/net_namespace.c:579)
[   90.523723][ T2488]  create_new_namespaces (kernel/nsproxy.c:132)
[   90.523903][ T2488]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   90.524081][ T2488]  ksys_unshare (kernel/fork.c:3243)
[   90.524259][ T2488]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   90.524445][ T2488]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   90.524632][ T2488]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   90.524825][ T2488]  ? __ia32_sys_open (fs/open.c:1374)
[   90.525006][ T2488]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   90.525183][ T2488]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   90.525371][ T2488]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.525557][ T2488]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.525747][ T2488]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.525925][ T2488]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.526136][ T2488] RIP: 0033:0x7f2558425bcb
[   90.526328][ T2488] 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
[   90.526853][ T2488] RSP: 002b:00007ffe27f489d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   90.527097][ T2488] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2558425bcb
[   90.527342][ T2488] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   90.527588][ T2488] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   90.527841][ T2488] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe27f4ac00
[   90.528082][ T2488] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe27f4c887
| [   90.554471][ T2489] ------------[ cut here ]------------
| [   90.554619][ T2489] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/2489
| [   90.554886][ T2489] Modules linked in: xfrm_user nf_tables
| [   90.555290][ T2489] Tainted: [W]=WARN
[   90.555387][ T2489] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.555548][ T2489] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.555729][ T2489] 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
[   90.556193][ T2489] RSP: 0018:ffa000000352f020 EFLAGS: 00010286
[   90.556361][ T2489] RAX: 00000000ffffffa6 RBX: ff1100000d697380 RCX: 1ff40000006a5dca
[   90.556555][ T2489] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d69743c
[   90.556753][ T2489] RBP: ff1100000e62c000 R08: 1fe2200001ad2e89 R09: ff1100000fb05158
[   90.556944][ T2489] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   90.557133][ T2489] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   90.557331][ T2489] FS:  00007f21a5c7f840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   90.557557][ T2489] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.557725][ T2489] CR2: 000000003b235988 CR3: 000000000dc52004 CR4: 0000000000771ef0
[   90.557923][ T2489] PKRU: 55555554
[   90.558018][ T2489] Call Trace:
[   90.558114][ T2489]  <TASK>
[   90.558180][ T2489]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.558316][ T2489]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.558414][ T2489]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   90.558546][ T2489]  __dev_notify_flags (net/core/dev.c:9787)
[   90.558681][ T2489]  ? netif_change_name (net/core/dev.c:1495)
[   90.558810][ T2489]  ? __dev_change_flags (net/core/dev.c:9752)
[   90.558938][ T2489]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   90.559066][ T2489]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   90.559194][ T2489]  ? 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))
[   90.559329][ T2489]  netif_change_flags (net/core/dev.c:9820)
[   90.559459][ T2489]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   90.559591][ T2489]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   90.559728][ T2489]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   90.559859][ T2489]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   90.560019][ T2489]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   90.560147][ T2489]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   90.560280][ T2489]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   90.560408][ T2489]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   90.560540][ T2489]  ? __kernel_text_address (kernel/extable.c:79)
[   90.560674][ T2489]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   90.560802][ T2489]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   90.560930][ T2489]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   90.561060][ T2489]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   90.561189][ T2489]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   90.561322][ T2489]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   90.561451][ T2489]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   90.561580][ T2489]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   90.561715][ T2489]  ? __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)
[   90.561843][ T2489]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   90.561970][ T2489]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   90.562098][ T2489]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   90.562230][ T2489]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   90.562364][ T2489]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   90.562493][ T2489]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   90.562623][ T2489]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   90.562757][ T2489]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   90.562884][ T2489]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   90.563011][ T2489]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   90.563142][ T2489]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   90.563276][ T2489]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   90.563404][ T2489]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   90.563535][ T2489]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   90.563667][ T2489]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   90.563797][ T2489]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   90.563924][ T2489]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   90.564050][ T2489]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   90.564177][ T2489]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   90.564312][ T2489]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   90.564439][ T2489]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   90.564571][ T2489]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   90.564784][ T2489]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   90.564913][ T2489]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   90.565044][ T2489]  ? 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))
[   90.565171][ T2489]  ? 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))
[   90.565306][ T2489]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   90.565435][ T2489]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   90.565567][ T2489]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   90.565760][ T2489]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   90.565942][ T2489]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   90.566070][ T2489]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   90.566199][ T2489]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   90.566330][ T2489]  ? copy_msghdr_from_user (net/socket.c:2635)
[   90.566460][ T2489]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   90.566621][ T2489]  ? move_addr_to_kernel (net/socket.c:258)
[   90.566831][ T2489]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   90.566960][ T2489]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   90.567089][ T2489]  ___sys_sendmsg (net/socket.c:2752)
[   90.567216][ T2489]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   90.567381][ T2489]  ? copy_msghdr_from_user (net/socket.c:2603)
[   90.567524][ T2489]  __sys_sendmsg (net/socket.c:2784)
[   90.567713][ T2489]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   90.567841][ T2489]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   90.568000][ T2489]  ? 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)
[   90.568128][ T2489]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   90.568255][ T2489]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.568388][ T2489]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.568517][ T2489]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.568645][ T2489]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.568890][ T2489] RIP: 0033:0x7f21a5eb908e
[   90.569023][ T2489] 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
[   90.569484][ T2489] RSP: 002b:00007ffcc7b300b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   90.569749][ T2489] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f21a5eb908e
[   90.569940][ T2489] RDX: 0000000000000000 RSI: 00007ffcc7b30160 RDI: 0000000000000005
[   90.570132][ T2489] RBP: 00007ffcc7b300c0 R08: 0000000000000000 R09: 0000000000000000
[   90.570328][ T2489] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d884
[   90.570524][ T2489] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc7b30830
| [   90.699343][ T2493] ------------[ cut here ]------------
| [   90.699501][ T2493] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2493
| [   90.699770][ T2493] Modules linked in: xfrm_user nf_tables
| [   90.700172][ T2493] Tainted: [W]=WARN
[   90.700275][ T2493] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.700438][ T2493] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.700610][ T2493] 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
[   90.701080][ T2493] RSP: 0018:ffa000000356fa80 EFLAGS: 00010286
[   90.701243][ T2493] RAX: 00000000ffffffa6 RBX: ff1100000cd40900 RCX: 1ff40000006adf16
[   90.701441][ T2493] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd409bc
[   90.701640][ T2493] RBP: ff1100000c441000 R08: 1fe22000019a8139 R09: ff1100000eb2ae80
[   90.701839][ T2493] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   90.702035][ T2493] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c441000
[   90.702234][ T2493] FS:  00007f1e57708840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   90.702472][ T2493] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.702639][ T2493] CR2: 00007f1e579127d0 CR3: 0000000012180002 CR4: 0000000000771ef0
[   90.702839][ T2493] PKRU: 55555554
[   90.702937][ T2493] Call Trace:
[   90.703033][ T2493]  <TASK>
[   90.703101][ T2493]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.703234][ T2493]  ? notifier_call_chain (kernel/notifier.c:85)
[   90.703371][ T2493]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.703470][ T2493]  register_netdevice (net/core/dev.c:11488)
[   90.703606][ T2493]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   90.703773][ T2493]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   90.703904][ T2493]  register_netdev (net/core/dev.c:11552)
[   90.704035][ T2493]  loopback_net_init (drivers/net/loopback.c:218)
[   90.704166][ T2493]  ops_init (net/core/net_namespace.c:137)
[   90.704273][ T2493]  setup_net (net/core/net_namespace.c:446)
[   90.704375][ T2493]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   90.704508][ T2493]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   90.704638][ T2493]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   90.704775][ T2493]  copy_net_ns (net/core/net_namespace.c:579)
[   90.704906][ T2493]  create_new_namespaces (kernel/nsproxy.c:132)
[   90.705040][ T2493]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   90.705172][ T2493]  ksys_unshare (kernel/fork.c:3243)
[   90.705308][ T2493]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   90.705439][ T2493]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   90.705572][ T2493]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   90.705709][ T2493]  ? __ia32_sys_open (fs/open.c:1374)
[   90.705841][ T2493]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   90.705970][ T2493]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   90.706106][ T2493]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.706241][ T2493]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.706379][ T2493]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.706514][ T2493]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.706683][ T2493] RIP: 0033:0x7f1e579cabcb
[   90.706819][ T2493] 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
[   90.707287][ T2493] RSP: 002b:00007fff51e11f68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   90.707485][ T2493] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1e579cabcb
[   90.707687][ T2493] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   90.707880][ T2493] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   90.708075][ T2493] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff51e14190
[   90.708273][ T2493] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff51e14887
| [   90.712063][ T2493] ------------[ cut here ]------------
| [   90.712200][ T2493] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2493
| [   90.712464][ T2493] Modules linked in: xfrm_user nf_tables
| [   90.712868][ T2493] Tainted: [W]=WARN
[   90.712967][ T2493] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.713132][ T2493] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.713305][ T2493] 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
[   90.713775][ T2493] RSP: 0018:ffa000000356f918 EFLAGS: 00010286
[   90.713941][ T2493] RAX: 00000000ffffffa6 RBX: ff1100000cd418c0 RCX: 1ff40000006adee9
[   90.714133][ T2493] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd4197c
[   90.714331][ T2493] RBP: ff11000013a61000 R08: 1fe22000019a8331 R09: ff1100000eb2ae80
[   90.714531][ T2493] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   90.714732][ T2493] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013a61000
[   90.714928][ T2493] FS:  00007f1e57708840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   90.715158][ T2493] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.715327][ T2493] CR2: 00007f1e579127d0 CR3: 0000000012180002 CR4: 0000000000771ef0
[   90.715525][ T2493] PKRU: 55555554
[   90.715624][ T2493] Call Trace:
[   90.715726][ T2493]  <TASK>
[   90.715793][ T2493]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.715925][ T2493]  ? notifier_call_chain (kernel/notifier.c:85)
[   90.716057][ T2493]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.716157][ T2493]  register_netdevice (net/core/dev.c:11488)
[   90.716294][ T2493]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   90.716456][ T2493]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   90.716593][ T2493]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   90.716727][ T2493]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   90.716857][ T2493]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   90.716987][ T2493]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   90.717117][ T2493]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   90.717250][ T2493]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   90.717386][ T2493]  ops_init (net/core/net_namespace.c:137)
[   90.717485][ T2493]  setup_net (net/core/net_namespace.c:446)
[   90.717587][ T2493]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   90.717723][ T2493]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   90.717854][ T2493]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   90.717986][ T2493]  copy_net_ns (net/core/net_namespace.c:579)
[   90.718116][ T2493]  create_new_namespaces (kernel/nsproxy.c:132)
[   90.718248][ T2493]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   90.718472][ T2493]  ksys_unshare (kernel/fork.c:3243)
[   90.718605][ T2493]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   90.718740][ T2493]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   90.718870][ T2493]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   90.719087][ T2493]  ? __ia32_sys_open (fs/open.c:1374)
[   90.719217][ T2493]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   90.719351][ T2493]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   90.719480][ T2493]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.719700][ T2493]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.719828][ T2493]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.719957][ T2493]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.720202][ T2493] RIP: 0033:0x7f1e579cabcb
[   90.720343][ T2493] 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
[   90.720901][ T2493] RSP: 002b:00007fff51e11f68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   90.721097][ T2493] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1e579cabcb
[   90.721293][ T2493] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   90.721578][ T2493] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   90.721775][ T2493] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff51e14190
[   90.722055][ T2493] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff51e14887
| [   90.726582][ T2493] ------------[ cut here ]------------
| [   90.726725][ T2493] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2493
| [   90.727069][ T2493] Modules linked in: xfrm_user nf_tables
| [   90.727560][ T2493] Tainted: [W]=WARN
[   90.727665][ T2493] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.727831][ T2493] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.728000][ T2493] 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
[   90.728568][ T2493] RSP: 0018:ffa000000356f8f8 EFLAGS: 00010286
[   90.728739][ T2493] RAX: 00000000ffffffa6 RBX: ff1100000fc65c40 RCX: 1ff40000006adee5
[   90.728936][ T2493] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc65cfc
[   90.729130][ T2493] RBP: ff11000014dbc000 R08: 1fe2200001f8cba1 R09: ff1100000eb2ae80
[   90.729420][ T2493] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   90.729620][ T2493] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014dbc000
[   90.729909][ T2493] FS:  00007f1e57708840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   90.730137][ T2493] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.730304][ T2493] CR2: 00007f1e579127d0 CR3: 0000000012180002 CR4: 0000000000771ef0
[   90.730593][ T2493] PKRU: 55555554
[   90.730697][ T2493] Call Trace:
[   90.730795][ T2493]  <TASK>
[   90.730863][ T2493]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.730994][ T2493]  ? notifier_call_chain (kernel/notifier.c:85)
[   90.731214][ T2493]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.731319][ T2493]  register_netdevice (net/core/dev.c:11488)
[   90.731451][ T2493]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   90.731618][ T2493]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   90.731757][ T2493]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   90.731888][ T2493]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   90.732020][ T2493]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   90.732152][ T2493]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   90.732377][ T2493]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   90.732514][ T2493]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   90.732645][ T2493]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   90.732783][ T2493]  vti_init_net (net/ipv4/ip_vti.c:517)
[   90.733000][ T2493]  ops_init (net/core/net_namespace.c:137)
[   90.733101][ T2493]  setup_net (net/core/net_namespace.c:446)
[   90.733201][ T2493]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   90.733336][ T2493]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   90.733466][ T2493]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   90.733693][ T2493]  copy_net_ns (net/core/net_namespace.c:579)
[   90.733824][ T2493]  create_new_namespaces (kernel/nsproxy.c:132)
[   90.733959][ T2493]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   90.734093][ T2493]  ksys_unshare (kernel/fork.c:3243)
[   90.734317][ T2493]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   90.734447][ T2493]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   90.734583][ T2493]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   90.734805][ T2493]  ? __ia32_sys_open (fs/open.c:1374)
[   90.734938][ T2493]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   90.735070][ T2493]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   90.735201][ T2493]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.735335][ T2493]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.735556][ T2493]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.735692][ T2493]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.735855][ T2493] RIP: 0033:0x7f1e579cabcb
[   90.736084][ T2493] 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
[   90.736555][ T2493] RSP: 002b:00007fff51e11f68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   90.736846][ T2493] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1e579cabcb
[   90.737041][ T2493] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   90.737332][ T2493] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   90.737533][ T2493] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff51e14190
[   90.737730][ T2493] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff51e14887
| [   90.742231][ T2493] ------------[ cut here ]------------
| [   90.742377][ T2493] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2493
| [   90.742634][ T2493] Modules linked in: xfrm_user nf_tables
| [   90.743034][ T2493] Tainted: [W]=WARN
[   90.743132][ T2493] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.743390][ T2493] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.743562][ T2493] 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
[   90.744120][ T2493] RSP: 0018:ffa000000356fa78 EFLAGS: 00010286
[   90.744289][ T2493] RAX: 00000000ffffffa6 RBX: ff110000095a7a80 RCX: 1ff40000006adf15
[   90.744576][ T2493] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095a7b3c
[   90.744773][ T2493] RBP: ff11000012f84000 R08: 1fe22000012b4f69 R09: ff1100000eb2ae80
[   90.744968][ T2493] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   90.745251][ T2493] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012f84000
[   90.745452][ T2493] FS:  00007f1e57708840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   90.745689][ T2493] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.745854][ T2493] CR2: 00007f1e579127d0 CR3: 0000000012180002 CR4: 0000000000771ef0
[   90.746050][ T2493] PKRU: 55555554
[   90.746149][ T2493] Call Trace:
[   90.746339][ T2493]  <TASK>
[   90.746407][ T2493]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.746542][ T2493]  ? notifier_call_chain (kernel/notifier.c:85)
[   90.746677][ T2493]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.746778][ T2493]  register_netdevice (net/core/dev.c:11488)
[   90.746997][ T2493]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   90.747159][ T2493]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   90.747297][ T2493]  register_netdev (net/core/dev.c:11552)
[   90.747426][ T2493]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   90.747650][ T2493]  ops_init (net/core/net_namespace.c:137)
[   90.747756][ T2493]  setup_net (net/core/net_namespace.c:446)
[   90.747858][ T2493]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   90.747989][ T2493]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   90.748205][ T2493]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   90.748344][ T2493]  copy_net_ns (net/core/net_namespace.c:579)
[   90.748476][ T2493]  create_new_namespaces (kernel/nsproxy.c:132)
[   90.748611][ T2493]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   90.748832][ T2493]  ksys_unshare (kernel/fork.c:3243)
[   90.748966][ T2493]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   90.749097][ T2493]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   90.749226][ T2493]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   90.749448][ T2493]  ? __ia32_sys_open (fs/open.c:1374)
[   90.749582][ T2493]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   90.749717][ T2493]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   90.749846][ T2493]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.750062][ T2493]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.750194][ T2493]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.750327][ T2493]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.750488][ T2493] RIP: 0033:0x7f1e579cabcb
[   90.750724][ T2493] 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
[   90.751188][ T2493] RSP: 002b:00007fff51e11f68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   90.751476][ T2493] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1e579cabcb
[   90.751677][ T2493] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   90.751959][ T2493] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   90.752155][ T2493] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff51e14190
[   90.752355][ T2493] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff51e14887
| [   90.756972][ T2493] ------------[ cut here ]------------
| [   90.757109][ T2493] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2493
| [   90.757369][ T2493] Modules linked in: xfrm_user nf_tables
| [   90.757861][ T2493] Tainted: [W]=WARN
[   90.757959][ T2493] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.758212][ T2493] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.758385][ T2493] 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
[   90.758947][ T2493] RSP: 0018:ffa000000356fa68 EFLAGS: 00010286
[   90.759111][ T2493] RAX: 00000000ffffffa6 RBX: ff1100000bc55540 RCX: 1ff40000006adf13
[   90.759395][ T2493] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc555fc
[   90.759594][ T2493] RBP: ff11000012fa1000 R08: 1fe220000178aac1 R09: ff1100000eb2ae80
[   90.759791][ T2493] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   90.760074][ T2493] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012fa1000
[   90.760275][ T2493] FS:  00007f1e57708840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   90.760594][ T2493] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.760762][ T2493] CR2: 00007f1e579127d0 CR3: 0000000012180002 CR4: 0000000000771ef0
[   90.760959][ T2493] PKRU: 55555554
[   90.761057][ T2493] Call Trace:
[   90.761243][ T2493]  <TASK>
[   90.761313][ T2493]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.761443][ T2493]  ? notifier_call_chain (kernel/notifier.c:85)
[   90.761576][ T2493]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.761680][ T2493]  register_netdevice (net/core/dev.c:11488)
[   90.761897][ T2493]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   90.762064][ T2493]  register_netdev (net/core/dev.c:11552)
[   90.762195][ T2493]  sit_init_net (net/ipv6/sit.c:1860)
[   90.762332][ T2493]  ops_init (net/core/net_namespace.c:137)
[   90.762519][ T2493]  setup_net (net/core/net_namespace.c:446)
[   90.762617][ T2493]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   90.762751][ T2493]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   90.762883][ T2493]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   90.763102][ T2493]  copy_net_ns (net/core/net_namespace.c:579)
[   90.763233][ T2493]  create_new_namespaces (kernel/nsproxy.c:132)
[   90.763374][ T2493]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   90.763508][ T2493]  ksys_unshare (kernel/fork.c:3243)
[   90.763727][ T2493]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   90.763857][ T2493]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   90.763990][ T2493]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   90.764123][ T2493]  ? __ia32_sys_open (fs/open.c:1374)
[   90.764344][ T2493]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   90.764475][ T2493]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   90.764607][ T2493]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.764742][ T2493]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.764957][ T2493]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.765090][ T2493]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.765249][ T2493] RIP: 0033:0x7f1e579cabcb
[   90.765388][ T2493] 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
[   90.765949][ T2493] RSP: 002b:00007fff51e11f68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   90.766231][ T2493] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1e579cabcb
[   90.766427][ T2493] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   90.766624][ T2493] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   90.766822][ T2493] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff51e14190
[   90.767015][ T2493] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff51e14887
| [   90.771704][ T2493] ------------[ cut here ]------------
| [   90.771850][ T2493] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2493
| [   90.772191][ T2493] Modules linked in: xfrm_user nf_tables
| [   90.772692][ T2493] Tainted: [W]=WARN
[   90.772791][ T2493] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.772954][ T2493] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.773122][ T2493] 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
[   90.773686][ T2493] RSP: 0018:ffa000000356fa78 EFLAGS: 00010286
[   90.773938][ T2493] RAX: 00000000ffffffa6 RBX: ff1100000e929540 RCX: 1ff40000006adf15
[   90.774132][ T2493] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e9295fc
[   90.774330][ T2493] RBP: ff11000012fbc000 R08: 1fe2200001d252c1 R09: ff1100000eb2ae80
[   90.774617][ T2493] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   90.774815][ T2493] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012fbc000
[   90.775012][ T2493] FS:  00007f1e57708840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   90.775335][ T2493] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.775500][ T2493] CR2: 00007f1e579127d0 CR3: 0000000012180002 CR4: 0000000000771ef0
[   90.775701][ T2493] PKRU: 55555554
[   90.775798][ T2493] Call Trace:
[   90.775895][ T2493]  <TASK>
[   90.775963][ T2493]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.776095][ T2493]  ? notifier_call_chain (kernel/notifier.c:85)
[   90.776315][ T2493]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.776417][ T2493]  register_netdevice (net/core/dev.c:11488)
[   90.776565][ T2493]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   90.776730][ T2493]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   90.776948][ T2493]  register_netdev (net/core/dev.c:11552)
[   90.777078][ T2493]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   90.777208][ T2493]  ops_init (net/core/net_namespace.c:137)
[   90.777312][ T2493]  setup_net (net/core/net_namespace.c:446)
[   90.777410][ T2493]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   90.777630][ T2493]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   90.777762][ T2493]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   90.777895][ T2493]  copy_net_ns (net/core/net_namespace.c:579)
[   90.778026][ T2493]  create_new_namespaces (kernel/nsproxy.c:132)
[   90.778244][ T2493]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   90.778380][ T2493]  ksys_unshare (kernel/fork.c:3243)
[   90.778512][ T2493]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   90.778645][ T2493]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   90.778779][ T2493]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   90.778909][ T2493]  ? __ia32_sys_open (fs/open.c:1374)
[   90.779041][ T2493]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   90.779171][ T2493]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   90.779392][ T2493]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.779525][ T2493]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.779659][ T2493]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.779792][ T2493]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.780039][ T2493] RIP: 0033:0x7f1e579cabcb
[   90.780174][ T2493] 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
[   90.780739][ T2493] RSP: 002b:00007fff51e11f68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   90.780934][ T2493] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1e579cabcb
[   90.781215][ T2493] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   90.781411][ T2493] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   90.781607][ T2493] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff51e14190
[   90.781808][ T2493] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff51e14887
| [   90.811302][ T2494] ------------[ cut here ]------------
| [   90.811482][ T2494] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2494
| [   90.812228][ T2494] Modules linked in: xfrm_user nf_tables
| [   90.812746][ T2494] Tainted: [W]=WARN
[   90.812892][ T2494] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.813099][ T2494] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.813323][ T2494] 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
[   90.813851][ T2494] RSP: 0018:ffa000000357f020 EFLAGS: 00010286
[   90.814060][ T2494] RAX: 00000000ffffffa6 RBX: ff1100000a0cee40 RCX: 1ff40000006afdca
[   90.814308][ T2494] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a0ceefc
[   90.814557][ T2494] RBP: ff1100000c441000 R08: 1fe2200001419de1 R09: ff11000009c5d158
[   90.814807][ T2494] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   90.815046][ T2494] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   90.815292][ T2494] FS:  00007fb6d7e6a840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   90.815575][ T2494] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.815800][ T2494] CR2: 0000000015d9d988 CR3: 000000000d36f004 CR4: 0000000000771ef0
[   90.816042][ T2494] PKRU: 55555554
[   90.816185][ T2494] Call Trace:
[   90.816337][ T2494]  <TASK>
[   90.816453][ T2494]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.816645][ T2494]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.816809][ T2494]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   90.816989][ T2494]  __dev_notify_flags (net/core/dev.c:9787)
[   90.817170][ T2494]  ? netif_change_name (net/core/dev.c:1495)
[   90.817356][ T2494]  ? __dev_change_flags (net/core/dev.c:9752)
[   90.817538][ T2494]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   90.817729][ T2494]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   90.817909][ T2494]  ? 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))
[   90.818097][ T2494]  netif_change_flags (net/core/dev.c:9820)
[   90.818289][ T2494]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   90.818468][ T2494]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   90.818669][ T2494]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   90.818848][ T2494]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   90.819057][ T2494]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   90.819234][ T2494]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   90.819424][ T2494]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   90.819611][ T2494]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   90.819802][ T2494]  ? __kernel_text_address (kernel/extable.c:79)
[   90.819980][ T2494]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   90.820162][ T2494]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   90.820343][ T2494]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   90.820525][ T2494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   90.820720][ T2494]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   90.820897][ T2494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   90.821074][ T2494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   90.821251][ T2494]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   90.821436][ T2494]  ? __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)
[   90.821618][ T2494]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   90.821809][ T2494]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   90.821987][ T2494]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   90.822171][ T2494]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   90.822361][ T2494]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   90.822547][ T2494]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   90.822734][ T2494]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   90.822912][ T2494]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   90.823092][ T2494]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   90.823276][ T2494]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   90.823456][ T2494]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   90.823643][ T2494]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   90.823834][ T2494]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   90.824011][ T2494]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   90.824189][ T2494]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   90.824374][ T2494]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   90.824557][ T2494]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   90.824748][ T2494]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   90.824925][ T2494]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   90.825106][ T2494]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   90.825289][ T2494]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   90.825470][ T2494]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   90.825665][ T2494]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   90.825844][ T2494]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   90.826026][ T2494]  ? 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))
[   90.826201][ T2494]  ? 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))
[   90.826392][ T2494]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   90.826582][ T2494]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   90.826769][ T2494]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   90.826946][ T2494]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   90.827126][ T2494]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   90.827315][ T2494]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   90.827495][ T2494]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   90.827692][ T2494]  ? copy_msghdr_from_user (net/socket.c:2635)
[   90.827874][ T2494]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   90.828082][ T2494]  ? move_addr_to_kernel (net/socket.c:258)
[   90.828262][ T2494]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   90.828449][ T2494]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   90.828636][ T2494]  ___sys_sendmsg (net/socket.c:2752)
[   90.828827][ T2494]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   90.829037][ T2494]  ? copy_msghdr_from_user (net/socket.c:2603)
[   90.829230][ T2494]  __sys_sendmsg (net/socket.c:2784)
[   90.829411][ T2494]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   90.829593][ T2494]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   90.829818][ T2494]  ? 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)
[   90.829997][ T2494]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   90.830175][ T2494]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.830360][ T2494]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.830549][ T2494]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.830736][ T2494]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.830942][ T2494] RIP: 0033:0x7fb6d80a408e
[   90.831125][ T2494] 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
[   90.831644][ T2494] RSP: 002b:00007ffddd4464d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   90.831898][ T2494] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb6d80a408e
[   90.832136][ T2494] RDX: 0000000000000000 RSI: 00007ffddd446580 RDI: 0000000000000005
[   90.832385][ T2494] RBP: 00007ffddd4464e0 R08: 0000000000000000 R09: 0000000000000000
[   90.832633][ T2494] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d885
[   90.832888][ T2494] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffddd446c50
| [   90.950533][ T2498] ------------[ cut here ]------------
| [   90.950723][ T2498] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2498
| [   90.951026][ T2498] Modules linked in: xfrm_user nf_tables
| [   90.951532][ T2498] Tainted: [W]=WARN
[   90.952138][ T2498] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.952355][ T2498] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.952582][ T2498] 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
[   90.953095][ T2498] RSP: 0018:ffa00000035afa80 EFLAGS: 00010286
[   90.953312][ T2498] RAX: 00000000ffffffa6 RBX: ff1100000e929000 RCX: 1ff40000006b5f16
[   90.953559][ T2498] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e9290bc
[   90.953812][ T2498] RBP: ff11000014c84000 R08: 1fe2200001d25219 R09: ff110000100f0b80
[   90.954053][ T2498] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   90.954305][ T2498] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014c84000
[   90.954554][ T2498] FS:  00007f7b73d98840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   90.954840][ T2498] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.955049][ T2498] CR2: 00007f7b73fa27d0 CR3: 0000000012951003 CR4: 0000000000771ef0
[   90.955298][ T2498] PKRU: 55555554
[   90.955442][ T2498] Call Trace:
[   90.955592][ T2498]  <TASK>
[   90.955720][ T2498]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.955899][ T2498]  ? notifier_call_chain (kernel/notifier.c:85)
[   90.956077][ T2498]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.956226][ T2498]  register_netdevice (net/core/dev.c:11488)
[   90.956412][ T2498]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   90.956628][ T2498]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   90.956820][ T2498]  register_netdev (net/core/dev.c:11552)
[   90.956997][ T2498]  loopback_net_init (drivers/net/loopback.c:218)
[   90.957174][ T2498]  ops_init (net/core/net_namespace.c:137)
[   90.957330][ T2498]  setup_net (net/core/net_namespace.c:446)
[   90.957477][ T2498]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   90.957673][ T2498]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   90.957852][ T2498]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   90.958035][ T2498]  copy_net_ns (net/core/net_namespace.c:579)
[   90.958216][ T2498]  create_new_namespaces (kernel/nsproxy.c:132)
[   90.958404][ T2498]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   90.958592][ T2498]  ksys_unshare (kernel/fork.c:3243)
[   90.958784][ T2498]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   90.958962][ T2498]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   90.959139][ T2498]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   90.959328][ T2498]  ? __ia32_sys_open (fs/open.c:1374)
[   90.959510][ T2498]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   90.959703][ T2498]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   90.959880][ T2498]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.960057][ T2498]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.960233][ T2498]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.960419][ T2498]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.960635][ T2498] RIP: 0033:0x7f7b7405abcb
[   90.960830][ T2498] 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
[   90.961346][ T2498] RSP: 002b:00007ffeaa2e7638 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   90.961595][ T2498] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7b7405abcb
[   90.961849][ T2498] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   90.962090][ T2498] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   90.962339][ T2498] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeaa2e9860
[   90.962587][ T2498] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeaa2ea887
| [   90.967182][ T2498] ------------[ cut here ]------------
| [   90.967360][ T2498] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2498
| [   90.967683][ T2498] Modules linked in: xfrm_user nf_tables
| [   90.968169][ T2498] Tainted: [W]=WARN
[   90.968321][ T2498] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.968530][ T2498] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.968766][ T2498] 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
[   90.969274][ T2498] RSP: 0018:ffa00000035af918 EFLAGS: 00010286
[   90.969484][ T2498] RAX: 00000000ffffffa6 RBX: ff1100000c8be040 RCX: 1ff40000006b5ee9
[   90.969741][ T2498] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c8be0fc
[   90.969980][ T2498] RBP: ff1100000ddd9000 R08: 1fe2200001917c21 R09: ff110000100f0b80
[   90.970219][ T2498] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   90.970466][ T2498] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ddd9000
[   90.970728][ T2498] FS:  00007f7b73d98840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   90.971000][ T2498] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.971208][ T2498] CR2: 00007f7b73fa27d0 CR3: 0000000012951003 CR4: 0000000000771ef0
[   90.971458][ T2498] PKRU: 55555554
[   90.971611][ T2498] Call Trace:
[   90.971768][ T2498]  <TASK>
[   90.971881][ T2498]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.972057][ T2498]  ? notifier_call_chain (kernel/notifier.c:85)
[   90.972234][ T2498]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.972390][ T2498]  register_netdevice (net/core/dev.c:11488)
[   90.972578][ T2498]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   90.972798][ T2498]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   90.972977][ T2498]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   90.973155][ T2498]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   90.973339][ T2498]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   90.973521][ T2498]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   90.973712][ T2498]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   90.973890][ T2498]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   90.974069][ T2498]  ops_init (net/core/net_namespace.c:137)
[   90.974216][ T2498]  setup_net (net/core/net_namespace.c:446)
[   90.974373][ T2498]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   90.974554][ T2498]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   90.974744][ T2498]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   90.974923][ T2498]  copy_net_ns (net/core/net_namespace.c:579)
[   90.975102][ T2498]  create_new_namespaces (kernel/nsproxy.c:132)
[   90.975291][ T2498]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   90.975470][ T2498]  ksys_unshare (kernel/fork.c:3243)
[   90.975664][ T2498]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   90.975841][ T2498]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   90.976017][ T2498]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   90.976196][ T2498]  ? __ia32_sys_open (fs/open.c:1374)
[   90.976380][ T2498]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   90.976574][ T2498]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   90.976763][ T2498]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.976938][ T2498]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.977114][ T2498]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.977297][ T2498]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.977503][ T2498] RIP: 0033:0x7f7b7405abcb
[   90.977702][ T2498] 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
[   90.978208][ T2498] RSP: 002b:00007ffeaa2e7638 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   90.978458][ T2498] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7b7405abcb
[   90.978718][ T2498] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   90.978960][ T2498] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   90.979198][ T2498] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeaa2e9860
[   90.979444][ T2498] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeaa2ea887
| [   90.983686][ T2498] ------------[ cut here ]------------
| [   90.983861][ T2498] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2498
| [   90.984163][ T2498] Modules linked in: xfrm_user nf_tables
| [   90.984690][ T2498] Tainted: [W]=WARN
[   90.984836][ T2498] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   90.985045][ T2498] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   90.985262][ T2498] 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
[   90.985800][ T2498] RSP: 0018:ffa00000035af8f8 EFLAGS: 00010286
[   90.986011][ T2498] RAX: 00000000ffffffa6 RBX: ff1100000c8bf000 RCX: 1ff40000006b5ee5
[   90.986252][ T2498] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c8bf0bc
[   90.986502][ T2498] RBP: ff110000100d9000 R08: 1fe2200001917e19 R09: ff110000100f0b80
[   90.986764][ T2498] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   90.987004][ T2498] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000100d9000
[   90.987247][ T2498] FS:  00007f7b73d98840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   90.987534][ T2498] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   90.987758][ T2498] CR2: 00007f7b73fa27d0 CR3: 0000000012951003 CR4: 0000000000771ef0
[   90.988004][ T2498] PKRU: 55555554
[   90.988149][ T2498] Call Trace:
[   90.988299][ T2498]  <TASK>
[   90.988416][ T2498]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   90.988603][ T2498]  ? notifier_call_chain (kernel/notifier.c:85)
[   90.988793][ T2498]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   90.988940][ T2498]  register_netdevice (net/core/dev.c:11488)
[   90.989124][ T2498]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   90.989341][ T2498]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   90.989526][ T2498]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   90.989720][ T2498]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   90.989896][ T2498]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   90.990104][ T2498]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   90.990288][ T2498]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   90.990490][ T2498]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   90.990690][ T2498]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   90.990872][ T2498]  vti_init_net (net/ipv4/ip_vti.c:517)
[   90.991051][ T2498]  ops_init (net/core/net_namespace.c:137)
[   90.991198][ T2498]  setup_net (net/core/net_namespace.c:446)
[   90.991347][ T2498]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   90.991524][ T2498]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   90.991716][ T2498]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   90.991899][ T2498]  copy_net_ns (net/core/net_namespace.c:579)
[   90.992079][ T2498]  create_new_namespaces (kernel/nsproxy.c:132)
[   90.992258][ T2498]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   90.992443][ T2498]  ksys_unshare (kernel/fork.c:3243)
[   90.992627][ T2498]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   90.992823][ T2498]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   90.993002][ T2498]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   90.993183][ T2498]  ? __ia32_sys_open (fs/open.c:1374)
[   90.993371][ T2498]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   90.993555][ T2498]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   90.993745][ T2498]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   90.993921][ T2498]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   90.994096][ T2498]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   90.994279][ T2498]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   90.994488][ T2498] RIP: 0033:0x7f7b7405abcb
[   90.994694][ T2498] 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
[   90.995197][ T2498] RSP: 002b:00007ffeaa2e7638 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   90.995447][ T2498] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7b7405abcb
[   90.995722][ T2498] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   90.995975][ T2498] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   90.996215][ T2498] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeaa2e9860
[   90.996464][ T2498] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeaa2ea887
| [   91.001122][ T2498] ------------[ cut here ]------------
| [   91.001298][ T2498] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2498
| [   91.001611][ T2498] Modules linked in: xfrm_user nf_tables
| [   91.002110][ T2498] Tainted: [W]=WARN
[   91.002254][ T2498] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.002468][ T2498] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   91.002703][ T2498] 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
[   91.003205][ T2498] RSP: 0018:ffa00000035afa78 EFLAGS: 00010286
[   91.003422][ T2498] RAX: 00000000ffffffa6 RBX: ff1100000c8bfe00 RCX: 1ff40000006b5f15
[   91.004186][ T2498] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c8bfebc
[   91.004490][ T2498] RBP: ff11000012919000 R08: 1fe2200001917fd9 R09: ff110000100f0b80
[   91.004801][ T2498] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   91.005089][ T2498] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012919000
[   91.005390][ T2498] FS:  00007f7b73d98840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   91.005737][ T2498] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.005999][ T2498] CR2: 00007f7b73fa27d0 CR3: 0000000012951003 CR4: 0000000000771ef0
[   91.006310][ T2498] PKRU: 55555554
[   91.006509][ T2498] Call Trace:
[   91.006722][ T2498]  <TASK>
[   91.006889][ T2498]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   91.007119][ T2498]  ? notifier_call_chain (kernel/notifier.c:85)
[   91.007354][ T2498]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   91.007567][ T2498]  register_netdevice (net/core/dev.c:11488)
[   91.007812][ T2498]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   91.008069][ T2498]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.008308][ T2498]  register_netdev (net/core/dev.c:11552)
[   91.008547][ T2498]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   91.008791][ T2498]  ops_init (net/core/net_namespace.c:137)
[   91.008989][ T2498]  setup_net (net/core/net_namespace.c:446)
[   91.009187][ T2498]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   91.009423][ T2498]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   91.009674][ T2498]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   91.009904][ T2498]  copy_net_ns (net/core/net_namespace.c:579)
[   91.010133][ T2498]  create_new_namespaces (kernel/nsproxy.c:132)
[   91.010369][ T2498]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   91.010606][ T2498]  ksys_unshare (kernel/fork.c:3243)
[   91.010848][ T2498]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   91.011076][ T2498]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   91.011310][ T2498]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   91.011548][ T2498]  ? __ia32_sys_open (fs/open.c:1374)
[   91.011790][ T2498]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   91.012021][ T2498]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   91.012246][ T2498]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   91.012482][ T2498]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   91.012725][ T2498]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   91.012952][ T2498]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.013209][ T2498] RIP: 0033:0x7f7b7405abcb
[   91.013457][ T2498] 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
[   91.014034][ T2498] RSP: 002b:00007ffeaa2e7638 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   91.014335][ T2498] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7b7405abcb
[   91.014634][ T2498] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   91.014940][ T2498] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   91.015228][ T2498] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeaa2e9860
[   91.015532][ T2498] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeaa2ea887
| [   91.026377][ T2498] ------------[ cut here ]------------
| [   91.026521][ T2498] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2498
| [   91.026784][ T2498] Modules linked in: xfrm_user nf_tables
| [   91.027175][ T2498] Tainted: [W]=WARN
[   91.027278][ T2498] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.027439][ T2498] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   91.027609][ T2498] 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
[   91.028072][ T2498] RSP: 0018:ffa00000035afa68 EFLAGS: 00010286
[   91.028231][ T2498] RAX: 00000000ffffffa6 RBX: ff11000012121a80 RCX: 1ff40000006b5f13
[   91.028425][ T2498] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012121b3c
[   91.028619][ T2498] RBP: ff1100001305c000 R08: 1fe2200002424369 R09: ff110000100f0b80
[   91.028817][ T2498] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   91.029007][ T2498] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001305c000
[   91.029197][ T2498] FS:  00007f7b73d98840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   91.029425][ T2498] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.029591][ T2498] CR2: 00007fcc4001d000 CR3: 0000000012951003 CR4: 0000000000771ef0
[   91.029789][ T2498] PKRU: 55555554
[   91.029886][ T2498] Call Trace:
[   91.029980][ T2498]  <TASK>
[   91.030046][ T2498]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   91.030173][ T2498]  ? notifier_call_chain (kernel/notifier.c:85)
[   91.030304][ T2498]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   91.030401][ T2498]  register_netdevice (net/core/dev.c:11488)
[   91.030534][ T2498]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   91.030699][ T2498]  register_netdev (net/core/dev.c:11552)
[   91.030827][ T2498]  sit_init_net (net/ipv6/sit.c:1860)
[   91.030956][ T2498]  ops_init (net/core/net_namespace.c:137)
[   91.031053][ T2498]  setup_net (net/core/net_namespace.c:446)
[   91.031151][ T2498]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   91.031280][ T2498]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   91.031409][ T2498]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   91.031541][ T2498]  copy_net_ns (net/core/net_namespace.c:579)
[   91.031675][ T2498]  create_new_namespaces (kernel/nsproxy.c:132)
[   91.031806][ T2498]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   91.031935][ T2498]  ksys_unshare (kernel/fork.c:3243)
[   91.032062][ T2498]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   91.032188][ T2498]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   91.032321][ T2498]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   91.032449][ T2498]  ? __ia32_sys_open (fs/open.c:1374)
[   91.032580][ T2498]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   91.032712][ T2498]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   91.032839][ T2498]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   91.032967][ T2498]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   91.033095][ T2498]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   91.033222][ T2498]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.033386][ T2498] RIP: 0033:0x7f7b7405abcb
[   91.033521][ T2498] 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
[   91.033978][ T2498] RSP: 002b:00007ffeaa2e7638 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   91.034170][ T2498] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7b7405abcb
[   91.034365][ T2498] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   91.034558][ T2498] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   91.034752][ T2498] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeaa2e9860
[   91.034942][ T2498] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeaa2ea887
| [   91.039472][ T2498] ------------[ cut here ]------------
| [   91.039610][ T2498] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2498
| [   91.039873][ T2498] Modules linked in: xfrm_user nf_tables
| [   91.040270][ T2498] Tainted: [W]=WARN
[   91.040368][ T2498] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.040533][ T2498] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   91.040707][ T2498] 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
[   91.041164][ T2498] RSP: 0018:ffa00000035afa78 EFLAGS: 00010286
[   91.041332][ T2498] RAX: 00000000ffffffa6 RBX: ff1100000abef000 RCX: 1ff40000006b5f15
[   91.041529][ T2498] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000abef0bc
[   91.041746][ T2498] RBP: ff110000133e9000 R08: 1fe220000157de19 R09: ff110000100f0b80
[   91.041940][ T2498] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   91.042133][ T2498] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000133e9000
[   91.042334][ T2498] FS:  00007f7b73d98840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   91.042564][ T2498] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.042729][ T2498] CR2: 00007fcc4001d000 CR3: 0000000012951003 CR4: 0000000000771ef0
[   91.042925][ T2498] PKRU: 55555554
[   91.043022][ T2498] Call Trace:
[   91.043119][ T2498]  <TASK>
[   91.043185][ T2498]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   91.043320][ T2498]  ? notifier_call_chain (kernel/notifier.c:85)
[   91.043449][ T2498]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   91.043549][ T2498]  register_netdevice (net/core/dev.c:11488)
[   91.043686][ T2498]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   91.043846][ T2498]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.043979][ T2498]  register_netdev (net/core/dev.c:11552)
[   91.044108][ T2498]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   91.044239][ T2498]  ops_init (net/core/net_namespace.c:137)
[   91.044342][ T2498]  setup_net (net/core/net_namespace.c:446)
[   91.044441][ T2498]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   91.044573][ T2498]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   91.044707][ T2498]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   91.044839][ T2498]  copy_net_ns (net/core/net_namespace.c:579)
[   91.044971][ T2498]  create_new_namespaces (kernel/nsproxy.c:132)
[   91.045106][ T2498]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   91.045236][ T2498]  ksys_unshare (kernel/fork.c:3243)
[   91.045371][ T2498]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   91.045503][ T2498]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   91.045636][ T2498]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   91.045773][ T2498]  ? __ia32_sys_open (fs/open.c:1374)
[   91.045908][ T2498]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   91.046037][ T2498]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   91.046167][ T2498]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   91.046303][ T2498]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   91.046432][ T2498]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   91.046564][ T2498]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.046727][ T2498] RIP: 0033:0x7f7b7405abcb
[   91.046862][ T2498] 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
[   91.047332][ T2498] RSP: 002b:00007ffeaa2e7638 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   91.047531][ T2498] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7b7405abcb
[   91.047728][ T2498] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   91.047923][ T2498] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   91.048115][ T2498] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffeaa2e9860
[   91.048313][ T2498] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeaa2ea887
| [   91.083593][ T2499] ------------[ cut here ]------------
| [   91.083748][ T2499] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2499
| [   91.084007][ T2499] Modules linked in: xfrm_user nf_tables
| [   91.084412][ T2499] Tainted: [W]=WARN
[   91.084515][ T2499] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.084688][ T2499] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   91.084863][ T2499] 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
[   91.085337][ T2499] RSP: 0018:ffa00000035bf020 EFLAGS: 00010286
[   91.085505][ T2499] RAX: 00000000ffffffa6 RBX: ff1100000abee740 RCX: 1ff40000006b7dca
[   91.085710][ T2499] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000abee7fc
[   91.085906][ T2499] RBP: ff11000014c84000 R08: 1fe220000157dd01 R09: ff1100000ebbd158
[   91.086101][ T2499] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   91.086303][ T2499] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   91.086501][ T2499] FS:  00007fc912bb0840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   91.086740][ T2499] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.086906][ T2499] CR2: 00007fc912e801a0 CR3: 0000000012b8f006 CR4: 0000000000771ef0
[   91.087104][ T2499] PKRU: 55555554
[   91.087202][ T2499] Call Trace:
[   91.087306][ T2499]  <TASK>
[   91.087375][ T2499]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   91.087512][ T2499]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   91.087613][ T2499]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   91.087748][ T2499]  __dev_notify_flags (net/core/dev.c:9787)
[   91.087881][ T2499]  ? netif_change_name (net/core/dev.c:1495)
[   91.088013][ T2499]  ? __dev_change_flags (net/core/dev.c:9752)
[   91.088146][ T2499]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   91.088280][ T2499]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.088412][ T2499]  ? 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))
[   91.088547][ T2499]  netif_change_flags (net/core/dev.c:9820)
[   91.088767][ T2499]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   91.088977][ T2499]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   91.089113][ T2499]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   91.089247][ T2499]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   91.089417][ T2499]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   91.089555][ T2499]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   91.089724][ T2499]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   91.089855][ T2499]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   91.089986][ T2499]  ? __kernel_text_address (kernel/extable.c:79)
[   91.090118][ T2499]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   91.090251][ T2499]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.090388][ T2499]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   91.090524][ T2499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.090661][ T2499]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   91.090792][ T2499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.090921][ T2499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.091052][ T2499]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   91.091183][ T2499]  ? __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)
[   91.091318][ T2499]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   91.091451][ T2499]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   91.091586][ T2499]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   91.091727][ T2499]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   91.091861][ T2499]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   91.091996][ T2499]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.092128][ T2499]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   91.092259][ T2499]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   91.092398][ T2499]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   91.092531][ T2499]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.092669][ T2499]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.092800][ T2499]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   91.092931][ T2499]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   91.093064][ T2499]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.093196][ T2499]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   91.093332][ T2499]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   91.093463][ T2499]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   91.093596][ T2499]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.093730][ T2499]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   91.093862][ T2499]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.093992][ T2499]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   91.094124][ T2499]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   91.094256][ T2499]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.094394][ T2499]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   91.094532][ T2499]  ? 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))
[   91.094666][ T2499]  ? 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))
[   91.094800][ T2499]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.094935][ T2499]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   91.095071][ T2499]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   91.095203][ T2499]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   91.095340][ T2499]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   91.095470][ T2499]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   91.095607][ T2499]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   91.095743][ T2499]  ? copy_msghdr_from_user (net/socket.c:2635)
[   91.095874][ T2499]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   91.096036][ T2499]  ? move_addr_to_kernel (net/socket.c:258)
[   91.096169][ T2499]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   91.096306][ T2499]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   91.096438][ T2499]  ___sys_sendmsg (net/socket.c:2752)
[   91.096571][ T2499]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   91.096737][ T2499]  ? copy_msghdr_from_user (net/socket.c:2603)
[   91.096879][ T2499]  __sys_sendmsg (net/socket.c:2784)
[   91.097010][ T2499]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   91.097142][ T2499]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   91.097312][ T2499]  ? 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)
[   91.097443][ T2499]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.097579][ T2499]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   91.097713][ T2499]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   91.097843][ T2499]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   91.097973][ T2499]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.098137][ T2499] RIP: 0033:0x7fc912dea08e
[   91.098278][ T2499] 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
[   91.098747][ T2499] RSP: 002b:00007ffd669bf6c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   91.098944][ T2499] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc912dea08e
[   91.099140][ T2499] RDX: 0000000000000000 RSI: 00007ffd669bf770 RDI: 0000000000000005
[   91.099340][ T2499] RBP: 00007ffd669bf6d0 R08: 0000000000000000 R09: 0000000000000000
[   91.099536][ T2499] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d885
[   91.099734][ T2499] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd669bfe40
| [   91.221140][ T2503] ------------[ cut here ]------------
| [   91.221333][ T2503] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2503
| [   91.221646][ T2503] Modules linked in: xfrm_user nf_tables
| [   91.222155][ T2503] Tainted: [W]=WARN
[   91.222306][ T2503] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.222519][ T2503] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   91.222751][ T2503] 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
[   91.223258][ T2503] RSP: 0018:ffa00000033bfa80 EFLAGS: 00010286
[   91.223480][ T2503] RAX: 00000000ffffffa6 RBX: ff110000122cee40 RCX: 1ff4000000677f16
[   91.223736][ T2503] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000122ceefc
[   91.223979][ T2503] RBP: ff110000125b9000 R08: 1fe2200002459de1 R09: ff11000013ae0b80
[   91.224220][ T2503] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   91.224469][ T2503] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000125b9000
[   91.224730][ T2503] FS:  00007f503ffa2840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   91.225005][ T2503] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.225216][ T2503] CR2: 00007f50401a9430 CR3: 00000000134af003 CR4: 0000000000771ef0
[   91.225469][ T2503] PKRU: 55555554
[   91.225618][ T2503] Call Trace:
[   91.225771][ T2503]  <TASK>
[   91.225885][ T2503]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   91.226065][ T2503]  ? notifier_call_chain (kernel/notifier.c:85)
[   91.226241][ T2503]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   91.226397][ T2503]  register_netdevice (net/core/dev.c:11488)
[   91.226584][ T2503]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   91.226808][ T2503]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   91.226986][ T2503]  register_netdev (net/core/dev.c:11552)
[   91.227163][ T2503]  loopback_net_init (drivers/net/loopback.c:218)
[   91.227346][ T2503]  ops_init (net/core/net_namespace.c:137)
[   91.227494][ T2503]  setup_net (net/core/net_namespace.c:446)
[   91.227649][ T2503]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   91.227838][ T2503]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   91.228016][ T2503]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   91.228196][ T2503]  copy_net_ns (net/core/net_namespace.c:579)
[   91.228379][ T2503]  create_new_namespaces (kernel/nsproxy.c:132)
[   91.228564][ T2503]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   91.228755][ T2503]  ksys_unshare (kernel/fork.c:3243)
[   91.228932][ T2503]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   91.229108][ T2503]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   91.229291][ T2503]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   91.229468][ T2503]  ? __ia32_sys_open (fs/open.c:1374)
[   91.229666][ T2503]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   91.229842][ T2503]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   91.230017][ T2503]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   91.230194][ T2503]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   91.230374][ T2503]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   91.230559][ T2503]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.230779][ T2503] RIP: 0033:0x7f5040264bcb
[   91.230961][ T2503] 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
[   91.231477][ T2503] RSP: 002b:00007fff4eded518 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   91.231734][ T2503] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5040264bcb
[   91.231970][ T2503] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   91.232209][ T2503] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   91.232455][ T2503] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff4edef740
[   91.232717][ T2503] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff4edf0888
| [   91.237303][ T2503] ------------[ cut here ]------------
| [   91.237480][ T2503] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2503
| [   91.237793][ T2503] Modules linked in: xfrm_user nf_tables
| [   91.238283][ T2503] Tainted: [W]=WARN
[   91.238427][ T2503] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.238645][ T2503] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   91.238873][ T2503] 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
[   91.239376][ T2503] RSP: 0018:ffa00000033bf918 EFLAGS: 00010286
[   91.239593][ T2503] RAX: 00000000ffffffa6 RBX: ff11000010920580 RCX: 1ff4000000677ee9
[   91.239845][ T2503] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001092063c
[   91.240082][ T2503] RBP: ff11000010271000 R08: 1fe22000021240c9 R09: ff11000013ae0b80
[   91.240328][ T2503] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   91.240576][ T2503] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010271000
[   91.240829][ T2503] FS:  00007f503ffa2840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   91.241100][ T2503] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.241314][ T2503] CR2: 00007f50401a9430 CR3: 00000000134af003 CR4: 0000000000771ef0
[   91.241562][ T2503] PKRU: 55555554
[   91.241719][ T2503] Call Trace:
[   91.241864][ T2503]  <TASK>
[   91.241977][ T2503]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   91.242156][ T2503]  ? notifier_call_chain (kernel/notifier.c:85)
[   91.242340][ T2503]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   91.242486][ T2503]  register_netdevice (net/core/dev.c:11488)
[   91.242681][ T2503]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   91.242888][ T2503]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   91.243069][ T2503]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   91.243246][ T2503]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   91.243430][ T2503]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   91.243615][ T2503]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   91.243803][ T2503]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   91.243982][ T2503]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   91.244160][ T2503]  ops_init (net/core/net_namespace.c:137)
[   91.244314][ T2503]  setup_net (net/core/net_namespace.c:446)
[   91.244463][ T2503]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   91.244644][ T2503]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   91.244836][ T2503]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   91.245013][ T2503]  copy_net_ns (net/core/net_namespace.c:579)
[   91.245192][ T2503]  create_new_namespaces (kernel/nsproxy.c:132)
[   91.245377][ T2503]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   91.245559][ T2503]  ksys_unshare (kernel/fork.c:3243)
[   91.245752][ T2503]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   91.245928][ T2503]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   91.246104][ T2503]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   91.246286][ T2503]  ? __ia32_sys_open (fs/open.c:1374)
[   91.246464][ T2503]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   91.246646][ T2503]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   91.246834][ T2503]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   91.247011][ T2503]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   91.247188][ T2503]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   91.247374][ T2503]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.247587][ T2503] RIP: 0033:0x7f5040264bcb
[   91.247781][ T2503] 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
[   91.248289][ T2503] RSP: 002b:00007fff4eded518 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   91.248533][ T2503] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5040264bcb
[   91.248786][ T2503] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   91.249022][ T2503] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   91.249261][ T2503] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff4edef740
[   91.249508][ T2503] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff4edf0888
| [   91.253747][ T2503] ------------[ cut here ]------------
| [   91.253925][ T2503] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2503
| [   91.254228][ T2503] Modules linked in: xfrm_user nf_tables
| [   91.254746][ T2503] Tainted: [W]=WARN
[   91.254892][ T2503] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.255103][ T2503] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   91.255328][ T2503] 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
[   91.255856][ T2503] RSP: 0018:ffa00000033bf8f8 EFLAGS: 00010286
[   91.256071][ T2503] RAX: 00000000ffffffa6 RBX: ff11000010921540 RCX: 1ff4000000677ee5
[   91.256318][ T2503] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109215fc
[   91.256565][ T2503] RBP: ff1100000e769000 R08: 1fe22000021242c1 R09: ff11000013ae0b80
[   91.256819][ T2503] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   91.257060][ T2503] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e769000
[   91.257313][ T2503] FS:  00007f503ffa2840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   91.257596][ T2503] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.257821][ T2503] CR2: 00007f50401a9430 CR3: 00000000134af003 CR4: 0000000000771ef0
[   91.258062][ T2503] PKRU: 55555554
[   91.258207][ T2503] Call Trace:
[   91.258362][ T2503]  <TASK>
[   91.258475][ T2503]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   91.258672][ T2503]  ? notifier_call_chain (kernel/notifier.c:85)
[   91.258851][ T2503]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   91.258999][ T2503]  register_netdevice (net/core/dev.c:11488)
[   91.259178][ T2503]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   91.259395][ T2503]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   91.259585][ T2503]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   91.259774][ T2503]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   91.259950][ T2503]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   91.260130][ T2503]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   91.260315][ T2503]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   91.260494][ T2503]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   91.260690][ T2503]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   91.260869][ T2503]  vti_init_net (net/ipv4/ip_vti.c:517)
[   91.261051][ T2503]  ops_init (net/core/net_namespace.c:137)
[   91.261198][ T2503]  setup_net (net/core/net_namespace.c:446)
[   91.261349][ T2503]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   91.261529][ T2503]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   91.261724][ T2503]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   91.261904][ T2503]  copy_net_ns (net/core/net_namespace.c:579)
[   91.262082][ T2503]  create_new_namespaces (kernel/nsproxy.c:132)
[   91.262275][ T2503]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   91.262454][ T2503]  ksys_unshare (kernel/fork.c:3243)
[   91.262639][ T2503]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   91.262828][ T2503]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   91.263027][ T2503]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   91.263207][ T2503]  ? __ia32_sys_open (fs/open.c:1374)
[   91.263397][ T2503]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   91.263585][ T2503]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   91.263775][ T2503]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   91.263954][ T2503]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   91.264130][ T2503]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   91.264314][ T2503]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.264526][ T2503] RIP: 0033:0x7f5040264bcb
[   91.264722][ T2503] 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
[   91.265232][ T2503] RSP: 002b:00007fff4eded518 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   91.265482][ T2503] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5040264bcb
[   91.265735][ T2503] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   91.265980][ T2503] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   91.266223][ T2503] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff4edef740
[   91.266472][ T2503] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff4edf0888
| [   91.270971][ T2503] ------------[ cut here ]------------
| [   91.271146][ T2503] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2503
| [   91.271456][ T2503] Modules linked in: xfrm_user nf_tables
| [   91.271967][ T2503] Tainted: [W]=WARN
[   91.272111][ T2503] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.272329][ T2503] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   91.272551][ T2503] 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
[   91.273068][ T2503] RSP: 0018:ffa00000033bfa78 EFLAGS: 00010286
[   91.273286][ T2503] RAX: 00000000ffffffa6 RBX: ff110000122cfa80 RCX: 1ff4000000677f15
[   91.273526][ T2503] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000122cfb3c
[   91.273779][ T2503] RBP: ff1100000fc31000 R08: 1fe2200002459f69 R09: ff11000013ae0b80
[   91.274024][ T2503] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   91.274261][ T2503] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc31000
[   91.274514][ T2503] FS:  00007f503ffa2840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   91.274800][ T2503] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.275012][ T2503] CR2: 00007f50401a9430 CR3: 00000000134af003 CR4: 0000000000771ef0
[   91.275255][ T2503] PKRU: 55555554
[   91.275407][ T2503] Call Trace:
[   91.275557][ T2503]  <TASK>
[   91.275682][ T2503]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   91.275858][ T2503]  ? notifier_call_chain (kernel/notifier.c:85)
[   91.276036][ T2503]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   91.276182][ T2503]  register_netdevice (net/core/dev.c:11488)
[   91.276374][ T2503]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   91.276591][ T2503]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.276783][ T2503]  register_netdev (net/core/dev.c:11552)
[   91.276959][ T2503]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   91.277137][ T2503]  ops_init (net/core/net_namespace.c:137)
[   91.277292][ T2503]  setup_net (net/core/net_namespace.c:446)
[   91.277438][ T2503]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   91.277622][ T2503]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   91.277813][ T2503]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   91.277993][ T2503]  copy_net_ns (net/core/net_namespace.c:579)
[   91.278172][ T2503]  create_new_namespaces (kernel/nsproxy.c:132)
[   91.278360][ T2503]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   91.278543][ T2503]  ksys_unshare (kernel/fork.c:3243)
[   91.278735][ T2503]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   91.278913][ T2503]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   91.279092][ T2503]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   91.279278][ T2503]  ? __ia32_sys_open (fs/open.c:1374)
[   91.279457][ T2503]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   91.279643][ T2503]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   91.279834][ T2503]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   91.280012][ T2503]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   91.280194][ T2503]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   91.280378][ T2503]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.280593][ T2503] RIP: 0033:0x7f5040264bcb
[   91.280789][ T2503] 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
[   91.281305][ T2503] RSP: 002b:00007fff4eded518 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   91.281558][ T2503] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5040264bcb
[   91.281813][ T2503] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   91.282054][ T2503] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   91.282301][ T2503] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff4edef740
[   91.282551][ T2503] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff4edf0888
| [   91.287739][ T2503] ------------[ cut here ]------------
| [   91.287916][ T2503] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2503
| [   91.288221][ T2503] Modules linked in: xfrm_user nf_tables
| [   91.288748][ T2503] Tainted: [W]=WARN
[   91.288894][ T2503] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.289106][ T2503] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   91.289331][ T2503] 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
[   91.289920][ T2503] RSP: 0018:ffa00000033bfa68 EFLAGS: 00010286
[   91.290187][ T2503] RAX: 00000000ffffffa6 RBX: ff1100001211d700 RCX: 1ff4000000677f13
[   91.290494][ T2503] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001211d7bc
[   91.290809][ T2503] RBP: ff110000138b4000 R08: 1fe2200002423af9 R09: ff11000013ae0b80
[   91.291101][ T2503] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   91.291401][ T2503] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000138b4000
[   91.291718][ T2503] FS:  00007f503ffa2840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   91.292045][ T2503] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.292315][ T2503] CR2: 00007f50401a9430 CR3: 00000000134af003 CR4: 0000000000771ef0
[   91.292619][ T2503] PKRU: 55555554
[   91.292826][ T2503] Call Trace:
[   91.293023][ T2503]  <TASK>
[   91.293192][ T2503]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   91.293431][ T2503]  ? notifier_call_chain (kernel/notifier.c:85)
[   91.293686][ T2503]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   91.293886][ T2503]  register_netdevice (net/core/dev.c:11488)
[   91.294118][ T2503]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   91.294390][ T2503]  register_netdev (net/core/dev.c:11552)
[   91.294631][ T2503]  sit_init_net (net/ipv6/sit.c:1860)
[   91.294880][ T2503]  ops_init (net/core/net_namespace.c:137)
[   91.295081][ T2503]  setup_net (net/core/net_namespace.c:446)
[   91.295288][ T2503]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   91.295527][ T2503]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   91.295771][ T2503]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   91.296003][ T2503]  copy_net_ns (net/core/net_namespace.c:579)
[   91.296234][ T2503]  create_new_namespaces (kernel/nsproxy.c:132)
[   91.296474][ T2503]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   91.296722][ T2503]  ksys_unshare (kernel/fork.c:3243)
[   91.296952][ T2503]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   91.297183][ T2503]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   91.297424][ T2503]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   91.297678][ T2503]  ? __ia32_sys_open (fs/open.c:1374)
[   91.297910][ T2503]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   91.298143][ T2503]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   91.298382][ T2503]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   91.298622][ T2503]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   91.298866][ T2503]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   91.299097][ T2503]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.299367][ T2503] RIP: 0033:0x7f5040264bcb
[   91.299612][ T2503] 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
[   91.300188][ T2503] RSP: 002b:00007fff4eded518 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   91.300492][ T2503] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5040264bcb
[   91.300807][ T2503] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   91.301104][ T2503] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   91.301403][ T2503] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff4edef740
[   91.301720][ T2503] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff4edf0888
| [   91.313214][ T2503] ------------[ cut here ]------------
| [   91.313368][ T2503] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2503
| [   91.313633][ T2503] Modules linked in: xfrm_user nf_tables
| [   91.314044][ T2503] Tainted: [W]=WARN
[   91.314143][ T2503] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.314311][ T2503] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   91.314480][ T2503] 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
[   91.314955][ T2503] RSP: 0018:ffa00000033bfa78 EFLAGS: 00010286
[   91.315122][ T2503] RAX: 00000000ffffffa6 RBX: ff1100001211cc80 RCX: 1ff4000000677f15
[   91.315326][ T2503] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001211cd3c
[   91.315525][ T2503] RBP: ff1100000e944000 R08: 1fe22000024239a9 R09: ff11000013ae0b80
[   91.315725][ T2503] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   91.315922][ T2503] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e944000
[   91.316119][ T2503] FS:  00007f503ffa2840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   91.316354][ T2503] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.316519][ T2503] CR2: 000055d3d5b6bd5c CR3: 00000000134af004 CR4: 0000000000771ef0
[   91.316722][ T2503] PKRU: 55555554
[   91.316823][ T2503] Call Trace:
[   91.316921][ T2503]  <TASK>
[   91.316989][ T2503]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   91.317123][ T2503]  ? notifier_call_chain (kernel/notifier.c:85)
[   91.317255][ T2503]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   91.317361][ T2503]  register_netdevice (net/core/dev.c:11488)
[   91.317496][ T2503]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   91.317665][ T2503]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.317800][ T2503]  register_netdev (net/core/dev.c:11552)
[   91.317932][ T2503]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   91.318065][ T2503]  ops_init (net/core/net_namespace.c:137)
[   91.318165][ T2503]  setup_net (net/core/net_namespace.c:446)
[   91.318263][ T2503]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   91.318401][ T2503]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   91.318535][ T2503]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   91.318694][ T2503]  copy_net_ns (net/core/net_namespace.c:579)
[   91.318828][ T2503]  create_new_namespaces (kernel/nsproxy.c:132)
[   91.318963][ T2503]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   91.319096][ T2503]  ksys_unshare (kernel/fork.c:3243)
[   91.319226][ T2503]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   91.319362][ T2503]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   91.319493][ T2503]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   91.319628][ T2503]  ? __ia32_sys_open (fs/open.c:1374)
[   91.319765][ T2503]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   91.319896][ T2503]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   91.320027][ T2503]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   91.320158][ T2503]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   91.320295][ T2503]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   91.320426][ T2503]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.320592][ T2503] RIP: 0033:0x7f5040264bcb
[   91.320733][ T2503] 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
[   91.321197][ T2503] RSP: 002b:00007fff4eded518 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   91.321400][ T2503] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5040264bcb
[   91.321597][ T2503] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   91.321795][ T2503] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   91.321991][ T2503] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fff4edef740
[   91.322186][ T2503] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff4edf0888
| [   91.351679][ T2504] ------------[ cut here ]------------
| [   91.351824][ T2504] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2504
| [   91.352082][ T2504] Modules linked in: xfrm_user nf_tables
| [   91.352488][ T2504] Tainted: [W]=WARN
[   91.352590][ T2504] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.352761][ T2504] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   91.352931][ T2504] 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
[   91.353412][ T2504] RSP: 0018:ffa00000035cf020 EFLAGS: 00010286
[   91.353579][ T2504] RAX: 00000000ffffffa6 RBX: ff1100001211c3c0 RCX: 1ff40000006b9dca
[   91.353782][ T2504] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001211c47c
[   91.353975][ T2504] RBP: ff110000125b9000 R08: 1fe2200002423891 R09: ff11000013ae2e58
[   91.354170][ T2504] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   91.354368][ T2504] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   91.354566][ T2504] FS:  00007fa1d29c7840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   91.354796][ T2504] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.354959][ T2504] CR2: 00000000024c4988 CR3: 000000000e926001 CR4: 0000000000771ef0
[   91.355154][ T2504] PKRU: 55555554
[   91.355253][ T2504] Call Trace:
[   91.355355][ T2504]  <TASK>
[   91.355422][ T2504]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   91.355560][ T2504]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   91.355667][ T2504]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   91.355797][ T2504]  __dev_notify_flags (net/core/dev.c:9787)
[   91.355928][ T2504]  ? netif_change_name (net/core/dev.c:1495)
[   91.356059][ T2504]  ? __dev_change_flags (net/core/dev.c:9752)
[   91.356191][ T2504]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   91.356325][ T2504]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.356456][ T2504]  ? 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))
[   91.356593][ T2504]  netif_change_flags (net/core/dev.c:9820)
[   91.356729][ T2504]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   91.356860][ T2504]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   91.356994][ T2504]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   91.357124][ T2504]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   91.357293][ T2504]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   91.357422][ T2504]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   91.357555][ T2504]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   91.357689][ T2504]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   91.357819][ T2504]  ? __kernel_text_address (kernel/extable.c:79)
[   91.357950][ T2504]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   91.358082][ T2504]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.358211][ T2504]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   91.358344][ T2504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.358476][ T2504]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   91.358607][ T2504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.358742][ T2504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.358872][ T2504]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   91.359003][ T2504]  ? __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)
[   91.359132][ T2504]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   91.359263][ T2504]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   91.359399][ T2504]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   91.359535][ T2504]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   91.359670][ T2504]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   91.359801][ T2504]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.359929][ T2504]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   91.360059][ T2504]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   91.360188][ T2504]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   91.360321][ T2504]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.360453][ T2504]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.360583][ T2504]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   91.360716][ T2504]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   91.360844][ T2504]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.360975][ T2504]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   91.361106][ T2504]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   91.361235][ T2504]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   91.361370][ T2504]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.361499][ T2504]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   91.361635][ T2504]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.361770][ T2504]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   91.361903][ T2504]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   91.362034][ T2504]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.362163][ T2504]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   91.362303][ T2504]  ? 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))
[   91.362432][ T2504]  ? 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))
[   91.362567][ T2504]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.362702][ T2504]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   91.362831][ T2504]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   91.362964][ T2504]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   91.363094][ T2504]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   91.363223][ T2504]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   91.363363][ T2504]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   91.363493][ T2504]  ? copy_msghdr_from_user (net/socket.c:2635)
[   91.363629][ T2504]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   91.363791][ T2504]  ? move_addr_to_kernel (net/socket.c:258)
[   91.363921][ T2504]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   91.364051][ T2504]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   91.364182][ T2504]  ___sys_sendmsg (net/socket.c:2752)
[   91.364314][ T2504]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   91.364476][ T2504]  ? copy_msghdr_from_user (net/socket.c:2603)
[   91.364621][ T2504]  __sys_sendmsg (net/socket.c:2784)
[   91.364756][ T2504]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   91.364884][ T2504]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   91.365047][ T2504]  ? 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)
[   91.365176][ T2504]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.365312][ T2504]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   91.365441][ T2504]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   91.365576][ T2504]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   91.365712][ T2504]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.365872][ T2504] RIP: 0033:0x7fa1d2c0108e
[   91.366008][ T2504] 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
[   91.366473][ T2504] RSP: 002b:00007ffeedc9f160 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   91.366676][ T2504] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa1d2c0108e
[   91.366868][ T2504] RDX: 0000000000000000 RSI: 00007ffeedc9f210 RDI: 0000000000000005
[   91.367060][ T2504] RBP: 00007ffeedc9f170 R08: 0000000000000000 R09: 0000000000000000
[   91.367256][ T2504] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d885
[   91.367455][ T2504] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeedc9f8e0
| [   91.615637][ T2514] ------------[ cut here ]------------
| [   91.616031][ T2514] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2514
| [   91.616305][ T2514] Modules linked in: xfrm_user nf_tables
| [   91.616734][ T2514] Tainted: [W]=WARN
[   91.616837][ T2514] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.617008][ T2514] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   91.617184][ T2514] 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
[   91.617681][ T2514] RSP: 0018:ffa00000035cee30 EFLAGS: 00010286
[   91.617851][ T2514] RAX: 00000000ffffffa6 RBX: ff1100000dda8040 RCX: 1ff40000006b9d8c
[   91.618053][ T2514] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda80fc
[   91.618253][ T2514] RBP: ff1100000fbf4000 R08: 1fe2200001bb5021 R09: ff11000012080b80
[   91.618458][ T2514] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   91.618666][ T2514] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f99ce80
[   91.618868][ T2514] FS:  00007f382410a840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   91.619102][ T2514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.619276][ T2514] CR2: 00000000004eb188 CR3: 0000000004ee8005 CR4: 0000000000771ef0
[   91.619481][ T2514] PKRU: 55555554
[   91.619584][ T2514] Call Trace:
[   91.619692][ T2514]  <TASK>
[   91.619762][ T2514]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   91.619929][ T2514]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   91.620065][ T2514]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   91.620167][ T2514]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   91.620312][ T2514]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   91.620444][ T2514]  __dev_notify_flags (net/core/dev.c:9787)
[   91.620582][ T2514]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.620722][ T2514]  ? netif_change_name (net/core/dev.c:1495)
[   91.620856][ T2514]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   91.620994][ T2514]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   91.621164][ T2514]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   91.621341][ T2514]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   91.621484][ T2514]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   91.621625][ T2514]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   91.621765][ T2514]  veth_newlink (drivers/net/veth.c:1871)
[   91.621901][ T2514]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   91.622034][ T2514]  ? kasan_save_stack (mm/kasan/common.c:57)
[   91.622169][ T2514]  ? kasan_save_track (mm/kasan/common.c:78)
[   91.622313][ T2514]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   91.622463][ T2514]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   91.622601][ T2514]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   91.622742][ T2514]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   91.622877][ T2514]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   91.623013][ T2514]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   91.623151][ T2514]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   91.623292][ T2514]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   91.623425][ T2514]  ? __dev_get_by_name (net/core/dev.c:883)
[   91.623562][ T2514]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   91.623705][ T2514]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   91.623844][ T2514]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   91.623980][ T2514]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.624112][ T2514]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   91.624246][ T2514]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   91.624386][ T2514]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   91.624522][ T2514]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.624665][ T2514]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.624800][ T2514]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   91.624934][ T2514]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   91.625067][ T2514]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   91.625202][ T2514]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.625342][ T2514]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   91.625479][ T2514]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.625614][ T2514]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   91.625754][ T2514]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   91.625888][ T2514]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.626022][ T2514]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   91.626159][ T2514]  ? 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))
[   91.626299][ T2514]  ? 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))
[   91.626437][ T2514]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.626576][ T2514]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   91.626715][ T2514]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   91.626851][ T2514]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   91.626987][ T2514]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   91.627124][ T2514]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   91.627260][ T2514]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   91.627401][ T2514]  ? copy_msghdr_from_user (net/socket.c:2635)
[   91.627539][ T2514]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   91.627710][ T2514]  ? move_addr_to_kernel (net/socket.c:258)
[   91.627845][ T2514]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.627980][ T2514]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   91.628116][ T2514]  ___sys_sendmsg (net/socket.c:2752)
[   91.628248][ T2514]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   91.628390][ T2514]  ? copy_msghdr_from_user (net/socket.c:2603)
[   91.628534][ T2514]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   91.628675][ T2514]  ? 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))
[   91.628812][ T2514]  __sys_sendmsg (net/socket.c:2784)
[   91.628947][ T2514]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   91.629086][ T2514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.629221][ T2514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.629364][ T2514]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   91.629498][ T2514]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   91.629639][ T2514]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   91.629780][ T2514]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.629947][ T2514] RIP: 0033:0x7f382434408e
[   91.630088][ T2514] 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
[   91.630579][ T2514] RSP: 002b:00007fffd898cc60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   91.630787][ T2514] RAX: ffffffffffffffda RBX: 00007fffd898d3f8 RCX: 00007f382434408e
[   91.630989][ T2514] RDX: 0000000000000000 RSI: 00007fffd898cd10 RDI: 0000000000000005
[   91.631189][ T2514] RBP: 00007fffd898cc70 R08: 0000000000000000 R09: 0000000000000000
[   91.631395][ T2514] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d885
[   91.631600][ T2514] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd898d3d0
| [   91.639129][ T2514] ------------[ cut here ]------------
| [   91.639280][ T2514] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2514
| [   91.639547][ T2514] Modules linked in: xfrm_user nf_tables
| [   91.640470][ T2514] Tainted: [W]=WARN
[   91.640573][ T2514] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.640800][ T2514] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   91.640973][ T2514] 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
[   91.641446][ T2514] RSP: 0018:ffa00000035cf1b0 EFLAGS: 00010286
[   91.641615][ T2514] RAX: 00000000ffffffa6 RBX: ff1100001246e740 RCX: 1ff40000006b9dfc
[   91.641869][ T2514] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e7fc
[   91.642065][ T2514] RBP: ff1100001278c000 R08: 1fe220000248dd01 R09: ff11000012080b80
[   91.642260][ T2514] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   91.642463][ T2514] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   91.642720][ T2514] FS:  00007f382410a840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   91.642951][ T2514] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.643116][ T2514] CR2: 00000000004eb188 CR3: 0000000004ee8005 CR4: 0000000000771ef0
[   91.643318][ T2514] PKRU: 55555554
[   91.643417][ T2514] Call Trace:
[   91.643516][ T2514]  <TASK>
[   91.643586][ T2514]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   91.643777][ T2514]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   91.643878][ T2514]  __dev_notify_flags (net/core/dev.c:9787)
[   91.644012][ T2514]  ? netif_change_name (net/core/dev.c:1495)
[   91.644145][ T2514]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   91.644281][ T2514]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   91.644418][ T2514]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   91.644556][ T2514]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   91.644746][ T2514]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   91.644879][ T2514]  ? __dev_get_by_name (net/core/dev.c:883)
[   91.645011][ T2514]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   91.645151][ T2514]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   91.645294][ T2514]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   91.645429][ T2514]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.645566][ T2514]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   91.645754][ T2514]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   91.645888][ T2514]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   91.646019][ T2514]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.646156][ T2514]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.646298][ T2514]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   91.646431][ T2514]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   91.646570][ T2514]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   91.646760][ T2514]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.646893][ T2514]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   91.647027][ T2514]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.647160][ T2514]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   91.647299][ T2514]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   91.647431][ T2514]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.647569][ T2514]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   91.647763][ T2514]  ? 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))
[   91.647895][ T2514]  ? 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))
[   91.648029][ T2514]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.648163][ T2514]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   91.648301][ T2514]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   91.648436][ T2514]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   91.648574][ T2514]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   91.648765][ T2514]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   91.648900][ T2514]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   91.649033][ T2514]  ? copy_msghdr_from_user (net/socket.c:2635)
[   91.649167][ T2514]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   91.649335][ T2514]  ? move_addr_to_kernel (net/socket.c:258)
[   91.649469][ T2514]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.649605][ T2514]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   91.649797][ T2514]  ___sys_sendmsg (net/socket.c:2752)
[   91.649930][ T2514]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   91.650063][ T2514]  ? copy_msghdr_from_user (net/socket.c:2603)
[   91.650200][ T2514]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   91.650342][ T2514]  ? 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))
[   91.650477][ T2514]  __sys_sendmsg (net/socket.c:2784)
[   91.650615][ T2514]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   91.650808][ T2514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.650942][ T2514]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.651076][ T2514]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   91.651208][ T2514]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   91.651345][ T2514]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   91.651479][ T2514]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.651646][ T2514] RIP: 0033:0x7f382434408e
[   91.651844][ T2514] 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
[   91.652324][ T2514] RSP: 002b:00007fffd898cc60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   91.652528][ T2514] RAX: ffffffffffffffda RBX: 00007fffd898d3f8 RCX: 00007f382434408e
[   91.652783][ T2514] RDX: 0000000000000000 RSI: 00007fffd898cd10 RDI: 0000000000000005
[   91.652984][ T2514] RBP: 00007fffd898cc70 R08: 0000000000000000 R09: 0000000000000000
[   91.653183][ T2514] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d885
[   91.653387][ T2514] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffd898d3d0
| [   91.762234][ T2518] ------------[ cut here ]------------
| [   91.762420][ T2518] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2518
| [   91.763382][ T2518] Modules linked in: xfrm_user nf_tables
| [   91.763895][ T2518] Tainted: [W]=WARN
[   91.764039][ T2518] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.764247][ T2518] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   91.764471][ T2518] 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
[   91.764991][ T2518] RSP: 0018:ffa00000033bf020 EFLAGS: 00010286
[   91.765202][ T2518] RAX: 00000000ffffffa6 RBX: ff11000012511700 RCX: 1ff4000000677dca
[   91.765451][ T2518] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000125117bc
[   91.765713][ T2518] RBP: ff1100001278c000 R08: 1fe22000024a22f9 R09: ff1100000eb2d158
[   91.765952][ T2518] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   91.766192][ T2518] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   91.766441][ T2518] FS:  00007f7993fbb840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   91.766741][ T2518] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.766953][ T2518] CR2: 000000002eec5988 CR3: 0000000013aa6005 CR4: 0000000000771ef0
[   91.767193][ T2518] PKRU: 55555554
[   91.767345][ T2518] Call Trace:
[   91.767488][ T2518]  <TASK>
[   91.767609][ T2518]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   91.767806][ T2518]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   91.767957][ T2518]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   91.768132][ T2518]  __dev_notify_flags (net/core/dev.c:9787)
[   91.768318][ T2518]  ? netif_change_name (net/core/dev.c:1495)
[   91.768494][ T2518]  ? __dev_change_flags (net/core/dev.c:9752)
[   91.768691][ T2518]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   91.768866][ T2518]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.769043][ T2518]  ? 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))
[   91.769225][ T2518]  netif_change_flags (net/core/dev.c:9820)
[   91.769411][ T2518]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   91.769596][ T2518]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   91.769790][ T2518]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   91.769969][ T2518]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   91.770176][ T2518]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   91.770365][ T2518]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   91.770548][ T2518]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   91.770738][ T2518]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   91.770916][ T2518]  ? __kernel_text_address (kernel/extable.c:79)
[   91.771096][ T2518]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   91.771282][ T2518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.771481][ T2518]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   91.771686][ T2518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.771869][ T2518]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   91.772048][ T2518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.772230][ T2518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.772426][ T2518]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   91.772630][ T2518]  ? __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)
[   91.772837][ T2518]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   91.773024][ T2518]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   91.773214][ T2518]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   91.773408][ T2518]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   91.773597][ T2518]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   91.773792][ T2518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.773969][ T2518]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   91.774148][ T2518]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   91.774333][ T2518]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   91.774514][ T2518]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.774712][ T2518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.774889][ T2518]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   91.775067][ T2518]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   91.775245][ T2518]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.775432][ T2518]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   91.775617][ T2518]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   91.775806][ T2518]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   91.775983][ T2518]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.776163][ T2518]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   91.776351][ T2518]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.776530][ T2518]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   91.776724][ T2518]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   91.776900][ T2518]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.777077][ T2518]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   91.777258][ T2518]  ? 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))
[   91.777446][ T2518]  ? 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))
[   91.777634][ T2518]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.777826][ T2518]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   91.778004][ T2518]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   91.778183][ T2518]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   91.778371][ T2518]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   91.778558][ T2518]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   91.778751][ T2518]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   91.778933][ T2518]  ? copy_msghdr_from_user (net/socket.c:2635)
[   91.779109][ T2518]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   91.779325][ T2518]  ? move_addr_to_kernel (net/socket.c:258)
[   91.779505][ T2518]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   91.779701][ T2518]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   91.779881][ T2518]  ___sys_sendmsg (net/socket.c:2752)
[   91.780058][ T2518]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   91.780277][ T2518]  ? copy_msghdr_from_user (net/socket.c:2603)
[   91.780468][ T2518]  __sys_sendmsg (net/socket.c:2784)
[   91.780667][ T2518]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   91.780841][ T2518]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   91.781054][ T2518]  ? 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)
[   91.781232][ T2518]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.781417][ T2518]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   91.781606][ T2518]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   91.781798][ T2518]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   91.781977][ T2518]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.782188][ T2518] RIP: 0033:0x7f79941f508e
[   91.782383][ T2518] 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
[   91.782913][ T2518] RSP: 002b:00007ffcc3398380 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   91.783157][ T2518] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f79941f508e
[   91.783405][ T2518] RDX: 0000000000000000 RSI: 00007ffcc3398430 RDI: 0000000000000005
[   91.783665][ T2518] RBP: 00007ffcc3398390 R08: 0000000000000000 R09: 0000000000000000
[   91.783907][ T2518] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d886
[   91.784148][ T2518] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc3398af0
| [   91.892742][ T2522] ------------[ cut here ]------------
| [   91.892888][ T2522] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2522
| [   91.893145][ T2522] Modules linked in: xfrm_user nf_tables
| [   91.893545][ T2522] Tainted: [W]=WARN
[   91.893641][ T2522] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.893894][ T2522] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   91.894063][ T2522] 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
[   91.894531][ T2522] RSP: 0018:ffa00000033bf020 EFLAGS: 00010286
[   91.894768][ T2522] RAX: 00000000ffffffa6 RBX: ff11000009a63e00 RCX: 1ff4000000677dca
[   91.894961][ T2522] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a63ebc
[   91.895152][ T2522] RBP: ff1100000fbf4000 R08: 1fe220000134c7d9 R09: ff11000012095158
[   91.895346][ T2522] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   91.895539][ T2522] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   91.895818][ T2522] FS:  00007fa4596da840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   91.896125][ T2522] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.896291][ T2522] CR2: 000000000579e988 CR3: 000000000f2a1006 CR4: 0000000000771ef0
[   91.896482][ T2522] PKRU: 55555554
[   91.896580][ T2522] Call Trace:
[   91.896740][ T2522]  <TASK>
[   91.896808][ T2522]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   91.896939][ T2522]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   91.897036][ T2522]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   91.897164][ T2522]  __dev_notify_flags (net/core/dev.c:9787)
[   91.897299][ T2522]  ? netif_change_name (net/core/dev.c:1495)
[   91.897427][ T2522]  ? __dev_change_flags (net/core/dev.c:9752)
[   91.897561][ T2522]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   91.897742][ T2522]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.897871][ T2522]  ? 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))
[   91.898002][ T2522]  netif_change_flags (net/core/dev.c:9820)
[   91.898132][ T2522]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   91.898261][ T2522]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   91.898396][ T2522]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   91.898528][ T2522]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   91.898740][ T2522]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   91.898868][ T2522]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   91.898994][ T2522]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   91.899122][ T2522]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   91.899251][ T2522]  ? __kernel_text_address (kernel/extable.c:79)
[   91.899386][ T2522]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   91.899518][ T2522]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.899647][ T2522]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   91.899832][ T2522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.899958][ T2522]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   91.900086][ T2522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.900213][ T2522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.900345][ T2522]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   91.900475][ T2522]  ? __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)
[   91.900606][ T2522]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   91.900788][ T2522]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   91.900916][ T2522]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   91.901045][ T2522]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   91.901176][ T2522]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   91.901311][ T2522]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.901438][ T2522]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   91.901568][ T2522]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   91.901745][ T2522]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   91.901873][ T2522]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.902002][ T2522]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.902128][ T2522]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   91.902254][ T2522]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   91.902389][ T2522]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   91.902539][ T2522]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   91.902675][ T2522]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   91.902804][ T2522]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   91.902931][ T2522]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.903058][ T2522]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   91.903186][ T2522]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.903319][ T2522]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   91.903447][ T2522]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   91.903576][ T2522]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   91.903708][ T2522]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   91.903840][ T2522]  ? 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))
[   91.903969][ T2522]  ? 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))
[   91.904098][ T2522]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   91.904226][ T2522]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   91.904360][ T2522]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   91.904489][ T2522]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   91.904622][ T2522]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   91.904757][ T2522]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   91.904886][ T2522]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   91.905013][ T2522]  ? copy_msghdr_from_user (net/socket.c:2635)
[   91.905141][ T2522]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   91.905303][ T2522]  ? move_addr_to_kernel (net/socket.c:258)
[   91.905432][ T2522]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   91.905564][ T2522]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   91.905698][ T2522]  ___sys_sendmsg (net/socket.c:2752)
[   91.905826][ T2522]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   91.905984][ T2522]  ? copy_msghdr_from_user (net/socket.c:2603)
[   91.906123][ T2522]  __sys_sendmsg (net/socket.c:2784)
[   91.906250][ T2522]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   91.906382][ T2522]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   91.906547][ T2522]  ? 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)
[   91.906681][ T2522]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   91.906810][ T2522]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   91.906937][ T2522]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   91.907064][ T2522]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   91.907192][ T2522]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   91.907357][ T2522] RIP: 0033:0x7fa45991408e
[   91.907492][ T2522] 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
[   91.907954][ T2522] RSP: 002b:00007ffec20249d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   91.908147][ T2522] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa45991408e
[   91.908343][ T2522] RDX: 0000000000000000 RSI: 00007ffec2024a80 RDI: 0000000000000005
[   91.908538][ T2522] RBP: 00007ffec20249e0 R08: 0000000000000000 R09: 0000000000000000
[   91.908735][ T2522] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d886
[   91.908926][ T2522] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec2025140
| [   91.911236][   T64] ------------[ cut here ]------------
| [   91.911375][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/64
| [   91.911607][   T64] Modules linked in: xfrm_user nf_tables
| [   91.912064][   T64] Tainted: [W]=WARN
[   91.912151][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   91.912301][   T64] Workqueue: events_unbound linkwatch_event
[   91.912451][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   91.912609][   T64] 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
[   91.913031][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   91.913177][   T64] RAX: 00000000ffffffa6 RBX: ff1100000e52cac0 RCX: 1ff400000008af02
[   91.913355][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e52cb7c
[   91.913532][   T64] RBP: ff1100001278c000 R08: 1fe2200001ca5971 R09: ff11000006100ba8
[   91.913724][   T64] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   91.913897][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   91.914072][   T64] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   91.914281][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   91.914427][   T64] CR2: 000055d401a11008 CR3: 000000004994d002 CR4: 0000000000771ef0
[   91.914610][   T64] PKRU: 55555554
[   91.914704][   T64] Call Trace:
[   91.914792][   T64]  <TASK>
[   91.914853][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   91.914971][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   91.915090][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   91.915184][   T64]  netif_state_change (net/core/dev.c:1605)
[   91.915308][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   91.915457][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   91.915573][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   91.915693][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   91.915812][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   91.915927][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   91.916046][   T64]  process_one_work (kernel/workqueue.c:3314)
[   91.916168][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   91.916293][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   91.916414][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   91.916535][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   91.916656][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   91.916774][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   91.916891][   T64]  kthread (kernel/kthread.c:436)
[   91.916983][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   91.917128][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   91.917245][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   91.917369][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   91.917516][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   91.917636][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   91.917761][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   92.084487][ T2530] ------------[ cut here ]------------
| [   92.084646][ T2530] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2530
| [   92.084921][ T2530] Modules linked in: xfrm_user nf_tables
| [   92.085342][ T2530] Tainted: [W]=WARN
[   92.085444][ T2530] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.085615][ T2530] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   92.085798][ T2530] 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
[   92.086283][ T2530] RSP: 0018:ffa000000363ee30 EFLAGS: 00010286
[   92.086455][ T2530] RAX: 00000000ffffffa6 RBX: ff11000012120740 RCX: 1ff40000006c7d8c
[   92.086664][ T2530] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121207fc
[   92.086865][ T2530] RBP: ff1100000a244000 R08: 1fe2200002424101 R09: ff1100000f3dae80
[   92.087063][ T2530] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   92.087261][ T2530] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ead0400
[   92.087470][ T2530] FS:  00007f5daf509840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   92.087717][ T2530] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.087886][ T2530] CR2: 00000000004eb188 CR3: 000000001262e004 CR4: 0000000000771ef0
[   92.088093][ T2530] PKRU: 55555554
[   92.088196][ T2530] Call Trace:
[   92.088303][ T2530]  <TASK>
[   92.088372][ T2530]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.088512][ T2530]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   92.088647][ T2530]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   92.088754][ T2530]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   92.088890][ T2530]  __dev_notify_flags (net/core/dev.c:9787)
[   92.089023][ T2530]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   92.089159][ T2530]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   92.089299][ T2530]  ? netif_change_name (net/core/dev.c:1495)
[   92.089432][ T2530]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   92.089569][ T2530]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   92.089709][ T2530]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   92.089843][ T2530]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.089978][ T2530]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.090112][ T2530]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   92.090246][ T2530]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   92.090384][ T2530]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   92.090520][ T2530]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   92.090661][ T2530]  veth_newlink (drivers/net/veth.c:1871)
[   92.090796][ T2530]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   92.090929][ T2530]  ? kasan_save_stack (mm/kasan/common.c:57)
[   92.091064][ T2530]  ? kasan_save_track (mm/kasan/common.c:78)
[   92.091196][ T2530]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   92.091352][ T2530]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   92.091487][ T2530]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   92.091625][ T2530]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   92.091764][ T2530]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   92.091900][ T2530]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   92.092037][ T2530]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   92.092173][ T2530]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   92.092313][ T2530]  ? __dev_get_by_name (net/core/dev.c:883)
[   92.092445][ T2530]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   92.092587][ T2530]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   92.092730][ T2530]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   92.092867][ T2530]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.092999][ T2530]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.093132][ T2530]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   92.093269][ T2530]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   92.093403][ T2530]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.093544][ T2530]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.093686][ T2530]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   92.093821][ T2530]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   92.093954][ T2530]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   92.094089][ T2530]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.094223][ T2530]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.094365][ T2530]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.094497][ T2530]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.094634][ T2530]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   92.094776][ T2530]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.094910][ T2530]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   92.095047][ T2530]  ? 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))
[   92.095179][ T2530]  ? 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))
[   92.095317][ T2530]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   92.095452][ T2530]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   92.095588][ T2530]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.095730][ T2530]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   92.095866][ T2530]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   92.096001][ T2530]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   92.096137][ T2530]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   92.096275][ T2530]  ? copy_msghdr_from_user (net/socket.c:2635)
[   92.096408][ T2530]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   92.096578][ T2530]  ? move_addr_to_kernel (net/socket.c:258)
[   92.096718][ T2530]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.096853][ T2530]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   92.096987][ T2530]  ___sys_sendmsg (net/socket.c:2752)
[   92.097120][ T2530]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   92.097254][ T2530]  ? copy_msghdr_from_user (net/socket.c:2603)
[   92.097398][ T2530]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   92.097539][ T2530]  ? 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))
[   92.097681][ T2530]  __sys_sendmsg (net/socket.c:2784)
[   92.097813][ T2530]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   92.097950][ T2530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.098084][ T2530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.098217][ T2530]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   92.098355][ T2530]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   92.098488][ T2530]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   92.098624][ T2530]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   92.098794][ T2530] RIP: 0033:0x7f5daf74308e
[   92.098933][ T2530] 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
[   92.099416][ T2530] RSP: 002b:00007ffc4c6ab880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   92.099619][ T2530] RAX: ffffffffffffffda RBX: 00007ffc4c6ac018 RCX: 00007f5daf74308e
[   92.099823][ T2530] RDX: 0000000000000000 RSI: 00007ffc4c6ab930 RDI: 0000000000000005
[   92.100021][ T2530] RBP: 00007ffc4c6ab890 R08: 0000000000000000 R09: 0000000000000000
[   92.100225][ T2530] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d886
[   92.100432][ T2530] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4c6abff0
| [   92.115282][ T2530] ------------[ cut here ]------------
| [   92.115425][ T2530] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2530
| [   92.115698][ T2530] Modules linked in: xfrm_user nf_tables
| [   92.116108][ T2530] Tainted: [W]=WARN
[   92.116209][ T2530] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.116381][ T2530] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   92.116557][ T2530] 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
[   92.117034][ T2530] RSP: 0018:ffa000000363f1b0 EFLAGS: 00010286
[   92.117199][ T2530] RAX: 00000000ffffffa6 RBX: ff1100001243ee40 RCX: 1ff40000006c7dfc
[   92.117406][ T2530] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243eefc
[   92.117607][ T2530] RBP: ff11000012b24000 R08: 1fe2200002487de1 R09: ff1100000f3dae80
[   92.117808][ T2530] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   92.118006][ T2530] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   92.118204][ T2530] FS:  00007f5daf509840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   92.118442][ T2530] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.118612][ T2530] CR2: 00000000004eb188 CR3: 000000001262e004 CR4: 0000000000771ef0
[   92.118814][ T2530] PKRU: 55555554
[   92.118914][ T2530] Call Trace:
[   92.119012][ T2530]  <TASK>
[   92.119081][ T2530]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   92.119216][ T2530]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   92.119325][ T2530]  __dev_notify_flags (net/core/dev.c:9787)
[   92.119460][ T2530]  ? netif_change_name (net/core/dev.c:1495)
[   92.119601][ T2530]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   92.119797][ T2530]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   92.119990][ T2530]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   92.120128][ T2530]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   92.120263][ T2530]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   92.120401][ T2530]  ? __dev_get_by_name (net/core/dev.c:883)
[   92.120544][ T2530]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   92.120741][ T2530]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   92.120879][ T2530]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   92.121015][ T2530]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.121147][ T2530]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.121284][ T2530]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   92.121420][ T2530]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   92.121558][ T2530]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.121754][ T2530]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.121889][ T2530]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   92.122025][ T2530]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   92.122161][ T2530]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   92.122300][ T2530]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.122435][ T2530]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.122574][ T2530]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.122757][ T2530]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.122892][ T2530]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   92.123028][ T2530]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.123164][ T2530]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   92.123308][ T2530]  ? 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))
[   92.123441][ T2530]  ? 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))
[   92.123582][ T2530]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   92.123723][ T2530]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   92.123858][ T2530]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.123994][ T2530]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   92.124132][ T2530]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   92.124272][ T2530]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   92.124410][ T2530]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   92.124548][ T2530]  ? copy_msghdr_from_user (net/socket.c:2635)
[   92.124688][ T2530]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   92.124855][ T2530]  ? move_addr_to_kernel (net/socket.c:258)
[   92.124992][ T2530]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.125129][ T2530]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   92.125266][ T2530]  ___sys_sendmsg (net/socket.c:2752)
[   92.125404][ T2530]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   92.125542][ T2530]  ? copy_msghdr_from_user (net/socket.c:2603)
[   92.125688][ T2530]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   92.125827][ T2530]  ? 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))
[   92.125965][ T2530]  __sys_sendmsg (net/socket.c:2784)
[   92.126100][ T2530]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   92.126238][ T2530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.126379][ T2530]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.126518][ T2530]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   92.126656][ T2530]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   92.126790][ T2530]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   92.126927][ T2530]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   92.127095][ T2530] RIP: 0033:0x7f5daf74308e
[   92.127234][ T2530] 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
[   92.127730][ T2530] RSP: 002b:00007ffc4c6ab880 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   92.127934][ T2530] RAX: ffffffffffffffda RBX: 00007ffc4c6ac018 RCX: 00007f5daf74308e
[   92.128135][ T2530] RDX: 0000000000000000 RSI: 00007ffc4c6ab930 RDI: 0000000000000005
[   92.128341][ T2530] RBP: 00007ffc4c6ab890 R08: 0000000000000000 R09: 0000000000000000
[   92.128546][ T2530] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d886
[   92.128755][ T2530] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc4c6abff0
| [   92.242623][ T2534] ------------[ cut here ]------------
| [   92.242783][ T2534] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2534
| [   92.243039][ T2534] Modules linked in: xfrm_user nf_tables
| [   92.243444][ T2534] Tainted: [W]=WARN
[   92.243545][ T2534] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.243718][ T2534] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   92.243886][ T2534] 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
[   92.244347][ T2534] RSP: 0018:ffa000000365f020 EFLAGS: 00010286
[   92.244514][ T2534] RAX: 00000000ffffffa6 RBX: ff110000154a1700 RCX: 1ff40000006cbdca
[   92.244717][ T2534] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000154a17bc
[   92.244910][ T2534] RBP: ff11000012b24000 R08: 1fe2200002a942f9 R09: ff110000125eae58
[   92.245101][ T2534] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   92.245299][ T2534] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   92.245492][ T2534] FS:  00007fd6dedd2840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   92.245728][ T2534] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.245892][ T2534] CR2: 00007fd6df0a21a0 CR3: 000000000f2d4004 CR4: 0000000000771ef0
[   92.246089][ T2534] PKRU: 55555554
[   92.246187][ T2534] Call Trace:
[   92.246290][ T2534]  <TASK>
[   92.246357][ T2534]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   92.246489][ T2534]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   92.246592][ T2534]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   92.246727][ T2534]  __dev_notify_flags (net/core/dev.c:9787)
[   92.246859][ T2534]  ? netif_change_name (net/core/dev.c:1495)
[   92.246988][ T2534]  ? __dev_change_flags (net/core/dev.c:9752)
[   92.247117][ T2534]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   92.247246][ T2534]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.247383][ T2534]  ? 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))
[   92.247517][ T2534]  netif_change_flags (net/core/dev.c:9820)
[   92.247649][ T2534]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   92.247786][ T2534]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   92.247919][ T2534]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   92.248049][ T2534]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   92.248212][ T2534]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   92.248347][ T2534]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   92.248477][ T2534]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   92.248612][ T2534]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   92.249248][ T2534]  ? __kernel_text_address (kernel/extable.c:79)
[   92.249385][ T2534]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.249517][ T2534]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.249648][ T2534]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   92.249784][ T2534]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.249914][ T2534]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   92.250044][ T2534]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.250174][ T2534]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.250308][ T2534]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   92.250437][ T2534]  ? __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)
[   92.250571][ T2534]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   92.250708][ T2534]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   92.250839][ T2534]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   92.250973][ T2534]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   92.251108][ T2534]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   92.251240][ T2534]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.251373][ T2534]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.251506][ T2534]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   92.251636][ T2534]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   92.251772][ T2534]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.251906][ T2534]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.252034][ T2534]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.252166][ T2534]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   92.252302][ T2534]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.252433][ T2534]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   92.252568][ T2534]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   92.252702][ T2534]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   92.252834][ T2534]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.252964][ T2534]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.253098][ T2534]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.253229][ T2534]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.253363][ T2534]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   92.253494][ T2534]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.253627][ T2534]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   92.253764][ T2534]  ? 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))
[   92.253895][ T2534]  ? 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))
[   92.254026][ T2534]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   92.254161][ T2534]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   92.254297][ T2534]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.254427][ T2534]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   92.254561][ T2534]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   92.254698][ T2534]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   92.254831][ T2534]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   92.254962][ T2534]  ? copy_msghdr_from_user (net/socket.c:2635)
[   92.255093][ T2534]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   92.255255][ T2534]  ? move_addr_to_kernel (net/socket.c:258)
[   92.255393][ T2534]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   92.255526][ T2534]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   92.255663][ T2534]  ___sys_sendmsg (net/socket.c:2752)
[   92.255794][ T2534]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   92.255954][ T2534]  ? copy_msghdr_from_user (net/socket.c:2603)
[   92.256098][ T2534]  __sys_sendmsg (net/socket.c:2784)
[   92.256228][ T2534]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   92.256363][ T2534]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   92.256531][ T2534]  ? 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)
[   92.256665][ T2534]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.256798][ T2534]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   92.256928][ T2534]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   92.257059][ T2534]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   92.257190][ T2534]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   92.257355][ T2534] RIP: 0033:0x7fd6df00c08e
[   92.257491][ T2534] 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
[   92.257959][ T2534] RSP: 002b:00007ffe27395ea0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   92.258158][ T2534] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd6df00c08e
[   92.258356][ T2534] RDX: 0000000000000000 RSI: 00007ffe27395f50 RDI: 0000000000000005
[   92.258551][ T2534] RBP: 00007ffe27395eb0 R08: 0000000000000000 R09: 0000000000000000
[   92.258750][ T2534] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d886
[   92.258944][ T2534] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe27396610
| [   92.364329][ T2538] ------------[ cut here ]------------
| [   92.364478][ T2538] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/2538
| [   92.364868][ T2538] Modules linked in: xfrm_user nf_tables
| [   92.365258][ T2538] Tainted: [W]=WARN
[   92.365358][ T2538] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.365520][ T2538] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   92.365694][ T2538] 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
[   92.366144][ T2538] RSP: 0018:ffa000000367f020 EFLAGS: 00010286
[   92.366316][ T2538] RAX: 00000000ffffffa6 RBX: ff11000004ecf000 RCX: 1ff40000006cfdca
[   92.366507][ T2538] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004ecf0bc
[   92.366704][ T2538] RBP: ff1100000a244000 R08: 1fe22000009d9e19 R09: ff1100000eb8d158
[   92.366891][ T2538] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   92.367078][ T2538] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   92.367272][ T2538] FS:  00007f003b3ff840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   92.367497][ T2538] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.367664][ T2538] CR2: 0000000000b82988 CR3: 0000000012641002 CR4: 0000000000771ef0
[   92.367854][ T2538] PKRU: 55555554
[   92.367948][ T2538] Call Trace:
[   92.368042][ T2538]  <TASK>
[   92.368108][ T2538]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   92.368237][ T2538]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   92.368342][ T2538]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   92.368468][ T2538]  __dev_notify_flags (net/core/dev.c:9787)
[   92.368600][ T2538]  ? netif_change_name (net/core/dev.c:1495)
[   92.368732][ T2538]  ? __dev_change_flags (net/core/dev.c:9752)
[   92.368859][ T2538]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   92.368985][ T2538]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.369113][ T2538]  ? 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))
[   92.369241][ T2538]  netif_change_flags (net/core/dev.c:9820)
[   92.369375][ T2538]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   92.369507][ T2538]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   92.369639][ T2538]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   92.369773][ T2538]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   92.369933][ T2538]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   92.370063][ T2538]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   92.370190][ T2538]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   92.370322][ T2538]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   92.370449][ T2538]  ? __kernel_text_address (kernel/extable.c:79)
[   92.370580][ T2538]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.370714][ T2538]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.370840][ T2538]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   92.370970][ T2538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.371097][ T2538]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   92.371223][ T2538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.371354][ T2538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.371481][ T2538]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   92.371612][ T2538]  ? __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)
[   92.371744][ T2538]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   92.371870][ T2538]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   92.371999][ T2538]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   92.372128][ T2538]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   92.372258][ T2538]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   92.372391][ T2538]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.372520][ T2538]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.372647][ T2538]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   92.372778][ T2538]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   92.372905][ T2538]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.373035][ T2538]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.373161][ T2538]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.373295][ T2538]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   92.373421][ T2538]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.373550][ T2538]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   92.373684][ T2538]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   92.373811][ T2538]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   92.373938][ T2538]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.374066][ T2538]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.374195][ T2538]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.374329][ T2538]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.374457][ T2538]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   92.374588][ T2538]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.374720][ T2538]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   92.374851][ T2538]  ? 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))
[   92.374979][ T2538]  ? 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))
[   92.375107][ T2538]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   92.375235][ T2538]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   92.375368][ T2538]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.375496][ T2538]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   92.375627][ T2538]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   92.375759][ T2538]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   92.375888][ T2538]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   92.376018][ T2538]  ? copy_msghdr_from_user (net/socket.c:2635)
[   92.376143][ T2538]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   92.376305][ T2538]  ? move_addr_to_kernel (net/socket.c:258)
[   92.376434][ T2538]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   92.376564][ T2538]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   92.376697][ T2538]  ___sys_sendmsg (net/socket.c:2752)
[   92.376822][ T2538]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   92.376982][ T2538]  ? copy_msghdr_from_user (net/socket.c:2603)
[   92.377120][ T2538]  __sys_sendmsg (net/socket.c:2784)
[   92.377248][ T2538]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   92.377378][ T2538]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   92.377542][ T2538]  ? 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)
[   92.377675][ T2538]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.377802][ T2538]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   92.377929][ T2538]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   92.378055][ T2538]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   92.378182][ T2538]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   92.378344][ T2538] RIP: 0033:0x7f003b63908e
[   92.378478][ T2538] 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
[   92.378938][ T2538] RSP: 002b:00007fff80f2b6c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   92.379130][ T2538] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f003b63908e
[   92.379325][ T2538] RDX: 0000000000000000 RSI: 00007fff80f2b770 RDI: 0000000000000005
[   92.379517][ T2538] RBP: 00007fff80f2b6d0 R08: 0000000000000000 R09: 0000000000000000
[   92.379716][ T2538] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d886
[   92.379906][ T2538] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff80f2be30
| [   92.382182][   T57] ------------[ cut here ]------------
| [   92.382309][   T57] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/57
| [   92.382545][   T57] Modules linked in: xfrm_user nf_tables
| [   92.383160][   T57] Tainted: [W]=WARN
[   92.383249][   T57] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.383401][   T57] Workqueue: events_unbound linkwatch_event
[   92.383558][   T57] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   92.383717][   T57] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   92.384148][   T57] RSP: 0018:ffa00000003df9e0 EFLAGS: 00010286
[   92.384301][   T57] RAX: 00000000ffffffa6 RBX: ff11000004ece580 RCX: 1ff400000007bf02
[   92.384476][   T57] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004ece63c
[   92.384659][   T57] RBP: ff1100000a244000 R08: 1fe22000009d9cc9 R09: ff1100000521d1a8
[   92.384839][   T57] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   92.385013][   T57] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   92.385189][   T57] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   92.385397][   T57] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.385548][   T57] CR2: 0000000000b82988 CR3: 0000000012641002 CR4: 0000000000771ef0
[   92.385728][   T57] PKRU: 55555554
[   92.385817][   T57] Call Trace:
[   92.385904][   T57]  <TASK>
[   92.385966][   T57]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   92.386084][   T57]  ? notifier_call_chain (kernel/notifier.c:85)
[   92.386203][   T57]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   92.386299][   T57]  netif_state_change (net/core/dev.c:1605)
[   92.386423][   T57]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   92.386574][   T57]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   92.386694][   T57]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   92.386813][   T57]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   92.386934][   T57]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   92.387052][   T57]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   92.387170][   T57]  process_one_work (kernel/workqueue.c:3314)
[   92.387301][   T57]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   92.387419][   T57]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.387545][   T57]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   92.387671][   T57]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   92.387789][   T57]  kthread (kernel/kthread.c:436)
[   92.387878][   T57]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   92.388027][   T57]  ? kthread_affine_node (kernel/kthread.c:378)
[   92.388147][   T57]  ret_from_fork (arch/x86/kernel/process.c:158)
[   92.388271][   T57]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   92.388419][   T57]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   92.388540][   T57]  ? kthread_affine_node (kernel/kthread.c:378)
[   92.388666][   T57]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   92.391079][   T57] ------------[ cut here ]------------
| [   92.391209][   T57] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/57
| [   92.391448][   T57] Modules linked in: xfrm_user nf_tables
| [   92.391855][   T57] Tainted: [W]=WARN
[   92.391945][   T57] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.392099][   T57] Workqueue: events_unbound linkwatch_event
[   92.392251][   T57] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   92.392409][   T57] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   92.392841][   T57] RSP: 0018:ffa00000003df9e0 EFLAGS: 00010286
[   92.392990][   T57] RAX: 00000000ffffffa6 RBX: ff1100000df558c0 RCX: 1ff400000007bf02
[   92.393167][   T57] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df5597c
[   92.393349][   T57] RBP: ff11000012b24000 R08: 1fe2200001beab31 R09: ff1100000521d1a8
[   92.393527][   T57] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   92.393719][   T57] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   92.393896][   T57] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   92.394103][   T57] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.394251][   T57] CR2: 000055d3d5b6bd5c CR3: 0000000008d6b005 CR4: 0000000000771ef0
[   92.394432][   T57] PKRU: 55555554
[   92.394524][   T57] Call Trace:
[   92.394612][   T57]  <TASK>
[   92.394681][   T57]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   92.394799][   T57]  ? notifier_call_chain (kernel/notifier.c:85)
[   92.394916][   T57]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   92.395011][   T57]  netif_state_change (net/core/dev.c:1605)
[   92.395130][   T57]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   92.395287][   T57]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   92.395405][   T57]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   92.395526][   T57]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   92.395646][   T57]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   92.395772][   T57]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   92.395892][   T57]  process_one_work (kernel/workqueue.c:3314)
[   92.396014][   T57]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   92.396131][   T57]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.396253][   T57]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   92.396382][   T57]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   92.396499][   T57]  kthread (kernel/kthread.c:436)
[   92.396591][   T57]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   92.396744][   T57]  ? kthread_affine_node (kernel/kthread.c:378)
[   92.396861][   T57]  ret_from_fork (arch/x86/kernel/process.c:158)
[   92.396980][   T57]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   92.397128][   T57]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   92.397247][   T57]  ? kthread_affine_node (kernel/kthread.c:378)
[   92.397369][   T57]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   92.562778][ T2546] ------------[ cut here ]------------
| [   92.562972][ T2546] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2546
| [   92.563295][ T2546] Modules linked in: xfrm_user nf_tables
| [   92.563892][ T2546] Tainted: [W]=WARN
[   92.564111][ T2546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.564391][ T2546] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   92.564700][ T2546] 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
[   92.565293][ T2546] RSP: 0018:ffa000000352ee30 EFLAGS: 00010286
[   92.565597][ T2546] RAX: 00000000ffffffa6 RBX: ff11000012146740 RCX: 1ff40000006a5d8c
[   92.565912][ T2546] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121467fc
[   92.566216][ T2546] RBP: ff11000008bf1000 R08: 1fe2200002428d01 R09: ff1100000f195180
[   92.566537][ T2546] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   92.566887][ T2546] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d66ee00
[   92.567215][ T2546] FS:  00007f0c925d8840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   92.567578][ T2546] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.567861][ T2546] CR2: 00000000004eb188 CR3: 0000000012214001 CR4: 0000000000771ef0
[   92.568191][ T2546] PKRU: 55555554
[   92.568354][ T2546] Call Trace:
[   92.568499][ T2546]  <TASK>
[   92.568624][ T2546]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.568823][ T2546]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   92.569006][ T2546]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   92.569157][ T2546]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   92.569346][ T2546]  __dev_notify_flags (net/core/dev.c:9787)
[   92.569532][ T2546]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   92.569728][ T2546]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   92.569917][ T2546]  ? netif_change_name (net/core/dev.c:1495)
[   92.570102][ T2546]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   92.570290][ T2546]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   92.570472][ T2546]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   92.570671][ T2546]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.570853][ T2546]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.571035][ T2546]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   92.571218][ T2546]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   92.571415][ T2546]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   92.571607][ T2546]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   92.571803][ T2546]  veth_newlink (drivers/net/veth.c:1871)
[   92.571986][ T2546]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   92.572165][ T2546]  ? kasan_save_stack (mm/kasan/common.c:57)
[   92.572356][ T2546]  ? kasan_save_track (mm/kasan/common.c:78)
[   92.572547][ T2546]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   92.572760][ T2546]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   92.572944][ T2546]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   92.573127][ T2546]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   92.573317][ T2546]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   92.573502][ T2546]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   92.573704][ T2546]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   92.573888][ T2546]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   92.574070][ T2546]  ? __dev_get_by_name (net/core/dev.c:883)
[   92.574255][ T2546]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   92.574452][ T2546]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   92.574647][ T2546]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   92.574845][ T2546]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.575025][ T2546]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.575206][ T2546]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   92.575396][ T2546]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   92.575586][ T2546]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.575789][ T2546]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.575971][ T2546]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   92.576156][ T2546]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   92.576347][ T2546]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   92.576532][ T2546]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.576727][ T2546]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.576910][ T2546]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.577093][ T2546]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.577283][ T2546]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   92.577466][ T2546]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.577668][ T2546]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   92.577854][ T2546]  ? 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))
[   92.578034][ T2546]  ? 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))
[   92.578219][ T2546]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   92.578411][ T2546]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   92.578603][ T2546]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.578800][ T2546]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   92.578984][ T2546]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   92.579167][ T2546]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   92.579360][ T2546]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   92.579550][ T2546]  ? copy_msghdr_from_user (net/socket.c:2635)
[   92.579745][ T2546]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   92.579962][ T2546]  ? move_addr_to_kernel (net/socket.c:258)
[   92.580146][ T2546]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.580338][ T2546]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   92.580526][ T2546]  ___sys_sendmsg (net/socket.c:2752)
[   92.580723][ T2546]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   92.580909][ T2546]  ? copy_msghdr_from_user (net/socket.c:2603)
[   92.581093][ T2546]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   92.581289][ T2546]  ? 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))
[   92.581474][ T2546]  __sys_sendmsg (net/socket.c:2784)
[   92.581674][ T2546]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   92.581860][ T2546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.582042][ T2546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.582226][ T2546]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   92.582415][ T2546]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   92.582605][ T2546]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   92.582804][ T2546]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   92.583017][ T2546] RIP: 0033:0x7f0c9281208e
[   92.583203][ T2546] 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
[   92.583751][ T2546] RSP: 002b:00007fff09f83c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   92.584002][ T2546] RAX: ffffffffffffffda RBX: 00007fff09f84398 RCX: 00007f0c9281208e
[   92.584248][ T2546] RDX: 0000000000000000 RSI: 00007fff09f83cb0 RDI: 0000000000000005
[   92.584505][ T2546] RBP: 00007fff09f83c10 R08: 0000000000000000 R09: 0000000000000000
[   92.584769][ T2546] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d886
[   92.585018][ T2546] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff09f84370
| [   92.598074][ T2546] ------------[ cut here ]------------
| [   92.598222][ T2546] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2546
| [   92.598496][ T2546] Modules linked in: xfrm_user nf_tables
| [   92.598916][ T2546] Tainted: [W]=WARN
[   92.599017][ T2546] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.599186][ T2546] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   92.599367][ T2546] 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
[   92.599850][ T2546] RSP: 0018:ffa000000352f1b0 EFLAGS: 00010286
[   92.600020][ T2546] RAX: 00000000ffffffa6 RBX: ff1100000fca7380 RCX: 1ff40000006a5dfc
[   92.600220][ T2546] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fca743c
[   92.600424][ T2546] RBP: ff11000010bd4000 R08: 1fe2200001f94e89 R09: ff1100000f195180
[   92.600626][ T2546] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   92.600831][ T2546] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   92.601034][ T2546] FS:  00007f0c925d8840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   92.601273][ T2546] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.601441][ T2546] CR2: 00007f9792d84000 CR3: 0000000012214002 CR4: 0000000000771ef0
[   92.601643][ T2546] PKRU: 55555554
[   92.601810][ T2546] Call Trace:
[   92.601912][ T2546]  <TASK>
[   92.601981][ T2546]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   92.602117][ T2546]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   92.602220][ T2546]  __dev_notify_flags (net/core/dev.c:9787)
[   92.602361][ T2546]  ? netif_change_name (net/core/dev.c:1495)
[   92.602496][ T2546]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   92.602633][ T2546]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   92.602826][ T2546]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   92.602963][ T2546]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   92.603098][ T2546]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   92.603232][ T2546]  ? __dev_get_by_name (net/core/dev.c:883)
[   92.603372][ T2546]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   92.603516][ T2546]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   92.603713][ T2546]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   92.603890][ T2546]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.604026][ T2546]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.604160][ T2546]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   92.604301][ T2546]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   92.604436][ T2546]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.604578][ T2546]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.604719][ T2546]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   92.604854][ T2546]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   92.604988][ T2546]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   92.605121][ T2546]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.605254][ T2546]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.605397][ T2546]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.605533][ T2546]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.605673][ T2546]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   92.605806][ T2546]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.605942][ T2546]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   92.606081][ T2546]  ? 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))
[   92.606214][ T2546]  ? 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))
[   92.606354][ T2546]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   92.606491][ T2546]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   92.606629][ T2546]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.606767][ T2546]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   92.606903][ T2546]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   92.607038][ T2546]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   92.607173][ T2546]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   92.607312][ T2546]  ? copy_msghdr_from_user (net/socket.c:2635)
[   92.607446][ T2546]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   92.607615][ T2546]  ? move_addr_to_kernel (net/socket.c:258)
[   92.607756][ T2546]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.607891][ T2546]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   92.608025][ T2546]  ___sys_sendmsg (net/socket.c:2752)
[   92.608158][ T2546]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   92.608298][ T2546]  ? copy_msghdr_from_user (net/socket.c:2603)
[   92.608437][ T2546]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   92.608579][ T2546]  ? 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))
[   92.608722][ T2546]  __sys_sendmsg (net/socket.c:2784)
[   92.608858][ T2546]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   92.608997][ T2546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.609131][ T2546]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.609267][ T2546]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   92.609405][ T2546]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   92.609542][ T2546]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   92.609681][ T2546]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   92.609848][ T2546] RIP: 0033:0x7f0c9281208e
[   92.609992][ T2546] 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
[   92.610478][ T2546] RSP: 002b:00007fff09f83c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   92.610691][ T2546] RAX: ffffffffffffffda RBX: 00007fff09f84398 RCX: 00007f0c9281208e
[   92.610894][ T2546] RDX: 0000000000000000 RSI: 00007fff09f83cb0 RDI: 0000000000000005
[   92.611098][ T2546] RBP: 00007fff09f83c10 R08: 0000000000000000 R09: 0000000000000000
[   92.611305][ T2546] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d886
[   92.611511][ T2546] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff09f84370
| [   92.661059][   T64] ------------[ cut here ]------------
| [   92.661194][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/64
| [   92.661432][   T64] Modules linked in: xfrm_user nf_tables
| [   92.661845][   T64] Tainted: [W]=WARN
[   92.661936][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.662087][   T64] Workqueue: events_unbound linkwatch_event
[   92.662242][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   92.662402][   T64] 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
[   92.662837][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   92.663006][   T64] RAX: 00000000ffffffa6 RBX: ff110000121211c0 RCX: 1ff400000008af02
[   92.663194][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001212127c
[   92.663375][   T64] RBP: ff1100000fbf4000 R08: 1fe2200002424251 R09: ff11000006100ba8
[   92.663569][   T64] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   92.663793][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   92.663975][   T64] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   92.664190][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.664343][   T64] CR2: 000055d3d5b6bd5c CR3: 000000000ff59003 CR4: 0000000000771ef0
[   92.664526][   T64] PKRU: 55555554
[   92.664619][   T64] Call Trace:
[   92.664714][   T64]  <TASK>
[   92.664776][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   92.664895][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   92.665021][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   92.665114][   T64]  netif_state_change (net/core/dev.c:1605)
[   92.665238][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   92.665392][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   92.665513][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   92.665632][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   92.665758][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   92.665877][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   92.665997][   T64]  process_one_work (kernel/workqueue.c:3314)
[   92.666120][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   92.666239][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.666369][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   92.666489][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   92.666611][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   92.666741][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   92.666860][   T64]  kthread (kernel/kthread.c:436)
[   92.666950][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   92.667098][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   92.667217][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   92.667341][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   92.667490][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   92.667613][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   92.667739][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   92.729441][ T2550] ------------[ cut here ]------------
| [   92.729624][ T2550] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2550
| [   92.729943][ T2550] Modules linked in: xfrm_user nf_tables
| [   92.730440][ T2550] Tainted: [W]=WARN
[   92.730589][ T2550] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.730809][ T2550] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   92.731021][ T2550] 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
[   92.731529][ T2550] RSP: 0018:ffa000000368f020 EFLAGS: 00010286
[   92.731750][ T2550] RAX: 00000000ffffffa6 RBX: ff1100000fca78c0 RCX: 1ff40000006d1dca
[   92.731989][ T2550] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fca797c
[   92.732227][ T2550] RBP: ff11000010bd4000 R08: 1fe2200001f94f31 R09: ff1100000a8ed158
[   92.732475][ T2550] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   92.732728][ T2550] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   92.732968][ T2550] FS:  00007ff8c1d5c840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   92.733237][ T2550] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.733452][ T2550] CR2: 00000000218e2988 CR3: 000000000d117003 CR4: 0000000000771ef0
[   92.733712][ T2550] PKRU: 55555554
[   92.733854][ T2550] Call Trace:
[   92.733996][ T2550]  <TASK>
[   92.734110][ T2550]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   92.734295][ T2550]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   92.734442][ T2550]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   92.734624][ T2550]  __dev_notify_flags (net/core/dev.c:9787)
[   92.734816][ T2550]  ? netif_change_name (net/core/dev.c:1495)
[   92.734991][ T2550]  ? __dev_change_flags (net/core/dev.c:9752)
[   92.735167][ T2550]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   92.735347][ T2550]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.735529][ T2550]  ? 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))
[   92.735722][ T2550]  netif_change_flags (net/core/dev.c:9820)
[   92.735900][ T2550]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   92.736075][ T2550]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   92.736253][ T2550]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   92.736438][ T2550]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   92.736667][ T2550]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   92.736842][ T2550]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   92.737017][ T2550]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   92.737193][ T2550]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   92.737378][ T2550]  ? __kernel_text_address (kernel/extable.c:79)
[   92.737562][ T2550]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.737753][ T2550]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.737930][ T2550]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   92.738107][ T2550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.738289][ T2550]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   92.738465][ T2550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.738648][ T2550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.738840][ T2550]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   92.739019][ T2550]  ? __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)
[   92.739195][ T2550]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   92.739381][ T2550]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   92.739565][ T2550]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   92.739756][ T2550]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   92.739937][ T2550]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   92.740114][ T2550]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.740297][ T2550]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.740473][ T2550]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   92.740666][ T2550]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   92.740842][ T2550]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.741020][ T2550]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.741195][ T2550]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.741381][ T2550]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   92.741566][ T2550]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.741755][ T2550]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   92.741932][ T2550]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   92.742106][ T2550]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   92.742289][ T2550]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.742463][ T2550]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.742649][ T2550]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.742837][ T2550]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.743015][ T2550]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   92.743192][ T2550]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.743376][ T2550]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   92.743562][ T2550]  ? 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))
[   92.743750][ T2550]  ? 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))
[   92.743930][ T2550]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   92.744106][ T2550]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   92.744291][ T2550]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.744469][ T2550]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   92.744666][ T2550]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   92.744841][ T2550]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   92.745018][ T2550]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   92.745194][ T2550]  ? copy_msghdr_from_user (net/socket.c:2635)
[   92.745376][ T2550]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   92.745587][ T2550]  ? move_addr_to_kernel (net/socket.c:258)
[   92.745778][ T2550]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   92.745954][ T2550]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   92.746131][ T2550]  ___sys_sendmsg (net/socket.c:2752)
[   92.746314][ T2550]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   92.746527][ T2550]  ? copy_msghdr_from_user (net/socket.c:2603)
[   92.746729][ T2550]  __sys_sendmsg (net/socket.c:2784)
[   92.746905][ T2550]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   92.747079][ T2550]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   92.747296][ T2550]  ? 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)
[   92.747473][ T2550]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.747666][ T2550]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   92.747840][ T2550]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   92.748017][ T2550]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   92.748194][ T2550]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   92.748407][ T2550] RIP: 0033:0x7ff8c1f9608e
[   92.748594][ T2550] 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
[   92.749105][ T2550] RSP: 002b:00007fff0c0d9de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   92.749349][ T2550] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff8c1f9608e
[   92.749591][ T2550] RDX: 0000000000000000 RSI: 00007fff0c0d9e90 RDI: 0000000000000005
[   92.749840][ T2550] RBP: 00007fff0c0d9df0 R08: 0000000000000000 R09: 0000000000000000
[   92.750079][ T2550] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d887
[   92.750324][ T2550] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff0c0da550
| [   92.867408][ T2554] ------------[ cut here ]------------
| [   92.867563][ T2554] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2554
| [   92.868404][ T2554] Modules linked in: xfrm_user nf_tables
| [   92.868868][ T2554] Tainted: [W]=WARN
[   92.868968][ T2554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.869129][ T2554] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   92.869360][ T2554] 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
[   92.869884][ T2554] RSP: 0018:ffa000000368f020 EFLAGS: 00010286
[   92.870048][ T2554] RAX: 00000000ffffffa6 RBX: ff1100000fc64040 RCX: 1ff40000006d1dca
[   92.870242][ T2554] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fc640fc
[   92.870441][ T2554] RBP: ff11000008bf1000 R08: 1fe2200001f8c821 R09: ff11000014c9d158
[   92.870640][ T2554] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   92.870854][ T2554] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   92.871051][ T2554] FS:  00007f12af43b840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   92.871279][ T2554] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.871443][ T2554] CR2: 000000002bc4f988 CR3: 0000000010989003 CR4: 0000000000771ef0
[   92.871642][ T2554] PKRU: 55555554
[   92.871744][ T2554] Call Trace:
[   92.871841][ T2554]  <TASK>
[   92.871910][ T2554]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   92.872046][ T2554]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   92.872146][ T2554]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   92.872278][ T2554]  __dev_notify_flags (net/core/dev.c:9787)
[   92.872411][ T2554]  ? netif_change_name (net/core/dev.c:1495)
[   92.872546][ T2554]  ? __dev_change_flags (net/core/dev.c:9752)
[   92.872681][ T2554]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   92.872811][ T2554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.872943][ T2554]  ? 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))
[   92.873074][ T2554]  netif_change_flags (net/core/dev.c:9820)
[   92.873204][ T2554]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   92.873341][ T2554]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   92.873475][ T2554]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   92.873609][ T2554]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   92.873775][ T2554]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   92.873905][ T2554]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   92.874034][ T2554]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   92.874163][ T2554]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   92.874298][ T2554]  ? __kernel_text_address (kernel/extable.c:79)
[   92.874428][ T2554]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.874562][ T2554]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.874696][ T2554]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   92.874825][ T2554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.874956][ T2554]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   92.875085][ T2554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.875213][ T2554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.875346][ T2554]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   92.875479][ T2554]  ? __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)
[   92.875610][ T2554]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   92.875744][ T2554]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   92.875896][ T2554]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   92.876031][ T2554]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   92.876164][ T2554]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   92.876301][ T2554]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.876432][ T2554]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.876566][ T2554]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   92.876700][ T2554]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   92.876829][ T2554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.876964][ T2554]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.877093][ T2554]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.877221][ T2554]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   92.877357][ T2554]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   92.877487][ T2554]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   92.877621][ T2554]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   92.877755][ T2554]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   92.877884][ T2554]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.878015][ T2554]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.878146][ T2554]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.878282][ T2554]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   92.878416][ T2554]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   92.878550][ T2554]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   92.878685][ T2554]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   92.878819][ T2554]  ? 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))
[   92.878949][ T2554]  ? 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))
[   92.879081][ T2554]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   92.879213][ T2554]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   92.879348][ T2554]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   92.879480][ T2554]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   92.879613][ T2554]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   92.879751][ T2554]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   92.879882][ T2554]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   92.880013][ T2554]  ? copy_msghdr_from_user (net/socket.c:2635)
[   92.880143][ T2554]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   92.880309][ T2554]  ? move_addr_to_kernel (net/socket.c:258)
[   92.880440][ T2554]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   92.880573][ T2554]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   92.880708][ T2554]  ___sys_sendmsg (net/socket.c:2752)
[   92.880839][ T2554]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   92.881001][ T2554]  ? copy_msghdr_from_user (net/socket.c:2603)
[   92.881143][ T2554]  __sys_sendmsg (net/socket.c:2784)
[   92.881277][ T2554]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   92.881407][ T2554]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   92.881574][ T2554]  ? 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)
[   92.881709][ T2554]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   92.881839][ T2554]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   92.881971][ T2554]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   92.882100][ T2554]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   92.882230][ T2554]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   92.882396][ T2554] RIP: 0033:0x7f12af67508e
[   92.882535][ T2554] 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
[   92.883003][ T2554] RSP: 002b:00007fffcb7503b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   92.883199][ T2554] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f12af67508e
[   92.883396][ T2554] RDX: 0000000000000000 RSI: 00007fffcb750460 RDI: 0000000000000005
[   92.883593][ T2554] RBP: 00007fffcb7503c0 R08: 0000000000000000 R09: 0000000000000000
[   92.883794][ T2554] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d887
[   92.883988][ T2554] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffcb750b20
| [   92.886361][   T64] ------------[ cut here ]------------
| [   92.886482][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/64
| [   92.887141][   T64] Modules linked in: xfrm_user nf_tables
| [   92.887545][   T64] Tainted: [W]=WARN
[   92.887635][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.887838][   T64] Workqueue: events_unbound linkwatch_event
[   92.887991][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   92.888197][   T64] 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
[   92.888634][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   92.888832][   T64] RAX: 00000000ffffffa6 RBX: ff110000095a6740 RCX: 1ff400000008af02
[   92.889060][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095a67fc
[   92.889237][   T64] RBP: ff11000008bf1000 R08: 1fe22000012b4d01 R09: ff11000006100ba8
[   92.889424][   T64] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   92.889601][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   92.889826][   T64] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   92.890034][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.890183][   T64] CR2: 000000002bc4f988 CR3: 000000004994d004 CR4: 0000000000771ef0
[   92.890366][   T64] PKRU: 55555554
[   92.890454][   T64] Call Trace:
[   92.890544][   T64]  <TASK>
[   92.890605][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   92.890772][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   92.890892][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   92.890985][   T64]  netif_state_change (net/core/dev.c:1605)
[   92.891106][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   92.891255][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   92.891378][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   92.891496][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   92.891620][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   92.891787][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   92.891907][   T64]  process_one_work (kernel/workqueue.c:3314)
[   92.892037][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   92.892155][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.892284][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   92.892404][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   92.892526][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   92.892645][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   92.892811][   T64]  kthread (kernel/kthread.c:436)
[   92.892901][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   92.893050][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   92.893167][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   92.893291][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   92.893439][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   92.893562][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   92.893729][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   92.895437][   T64] ------------[ cut here ]------------
| [   92.895571][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/64
| [   92.895813][   T64] Modules linked in: xfrm_user nf_tables
| [   92.896211][   T64] Tainted: [W]=WARN
[   92.896308][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   92.896462][   T64] Workqueue: events_unbound linkwatch_event
[   92.896622][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   92.896794][   T64] 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
[   92.897264][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   92.897420][   T64] RAX: 00000000ffffffa6 RBX: ff110000095a78c0 RCX: 1ff400000008af02
[   92.897600][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095a797c
[   92.897793][   T64] RBP: ff11000010bd4000 R08: 1fe22000012b4f31 R09: ff11000006100ba8
[   92.897967][   T64] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   92.898142][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   92.898327][   T64] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   92.898541][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   92.898695][   T64] CR2: 000055d3d5b6bd5c CR3: 000000000ea93002 CR4: 0000000000771ef0
[   92.898874][   T64] PKRU: 55555554
[   92.898967][   T64] Call Trace:
[   92.899055][   T64]  <TASK>
[   92.899118][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   92.899237][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   92.899362][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   92.899454][   T64]  netif_state_change (net/core/dev.c:1605)
[   92.899575][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   92.899729][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   92.899847][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   92.899964][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   92.900086][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   92.900208][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   92.900339][   T64]  process_one_work (kernel/workqueue.c:3314)
[   92.900460][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   92.900583][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   92.900712][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   92.900833][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   92.900951][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   92.901071][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   92.901193][   T64]  kthread (kernel/kthread.c:436)
[   92.901284][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   92.901432][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   92.901555][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   92.901682][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   92.901831][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   92.901951][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   92.902070][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   93.078434][ T2562] ------------[ cut here ]------------
| [   93.078594][ T2562] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2562
| [   93.078873][ T2562] Modules linked in: xfrm_user nf_tables
| [   93.079294][ T2562] Tainted: [W]=WARN
[   93.079397][ T2562] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.079569][ T2562] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   93.079748][ T2562] 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
[   93.080219][ T2562] RSP: 0018:ffa000000367ee30 EFLAGS: 00010286
[   93.080395][ T2562] RAX: 00000000ffffffa6 RBX: ff1100000d68e900 RCX: 1ff40000006cfd8c
[   93.080598][ T2562] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68e9bc
[   93.080797][ T2562] RBP: ff110000133c9000 R08: 1fe2200001ad1d39 R09: ff1100001389ae80
[   93.080995][ T2562] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   93.081195][ T2562] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd04780
[   93.081402][ T2562] FS:  00007f06fe437840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   93.081641][ T2562] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.081813][ T2562] CR2: 00000000004eb188 CR3: 00000000138c1002 CR4: 0000000000771ef0
[   93.082011][ T2562] PKRU: 55555554
[   93.082113][ T2562] Call Trace:
[   93.082213][ T2562]  <TASK>
[   93.082287][ T2562]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   93.082424][ T2562]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   93.082529][ T2562]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   93.082698][ T2562]  __dev_notify_flags (net/core/dev.c:9787)
[   93.082833][ T2562]  ? netif_change_name (net/core/dev.c:1495)
[   93.082969][ T2562]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   93.083104][ T2562]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   93.083237][ T2562]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   93.083374][ T2562]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   93.083513][ T2562]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.083649][ T2562]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   93.083788][ T2562]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   93.083921][ T2562]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   93.084055][ T2562]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   93.084189][ T2562]  veth_newlink (drivers/net/veth.c:1871)
[   93.084327][ T2562]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   93.084458][ T2562]  ? kasan_save_stack (mm/kasan/common.c:57)
[   93.084596][ T2562]  ? kasan_save_track (mm/kasan/common.c:78)
[   93.084732][ T2562]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   93.084880][ T2562]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   93.085013][ T2562]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   93.085148][ T2562]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   93.085284][ T2562]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   93.085418][ T2562]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   93.085559][ T2562]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   93.085699][ T2562]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   93.085832][ T2562]  ? __dev_get_by_name (net/core/dev.c:883)
[   93.085964][ T2562]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   93.086103][ T2562]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   93.086240][ T2562]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   93.086380][ T2562]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.086515][ T2562]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.086649][ T2562]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.086788][ T2562]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   93.086924][ T2562]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.087061][ T2562]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.087196][ T2562]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.087334][ T2562]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   93.087468][ T2562]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   93.087604][ T2562]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.087740][ T2562]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.087875][ T2562]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.088007][ T2562]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.088141][ T2562]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   93.088277][ T2562]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.088411][ T2562]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   93.088552][ T2562]  ? 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))
[   93.088688][ T2562]  ? 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))
[   93.088826][ T2562]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.088962][ T2562]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   93.089099][ T2562]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.089235][ T2562]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   93.089377][ T2562]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   93.089515][ T2562]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   93.089656][ T2562]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   93.089788][ T2562]  ? copy_msghdr_from_user (net/socket.c:2635)
[   93.089923][ T2562]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   93.090087][ T2562]  ? move_addr_to_kernel (net/socket.c:258)
[   93.090221][ T2562]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.090358][ T2562]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   93.090492][ T2562]  ___sys_sendmsg (net/socket.c:2752)
[   93.090628][ T2562]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   93.090765][ T2562]  ? copy_msghdr_from_user (net/socket.c:2603)
[   93.090902][ T2562]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   93.091039][ T2562]  ? 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))
[   93.091172][ T2562]  __sys_sendmsg (net/socket.c:2784)
[   93.091310][ T2562]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   93.091446][ T2562]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.091583][ T2562]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.091734][ T2562]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   93.091867][ T2562]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   93.092003][ T2562]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   93.092135][ T2562]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.092307][ T2562] RIP: 0033:0x7f06fe67108e
[   93.092447][ T2562] 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
[   93.092931][ T2562] RSP: 002b:00007ffda8a8de80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   93.093131][ T2562] RAX: ffffffffffffffda RBX: 00007ffda8a8e618 RCX: 00007f06fe67108e
[   93.093332][ T2562] RDX: 0000000000000000 RSI: 00007ffda8a8df30 RDI: 0000000000000005
[   93.093535][ T2562] RBP: 00007ffda8a8de90 R08: 0000000000000000 R09: 0000000000000000
[   93.093741][ T2562] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d887
[   93.093939][ T2562] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda8a8e5f0
| [   93.108824][ T2562] ------------[ cut here ]------------
| [   93.108968][ T2562] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2562
| [   93.109230][ T2562] Modules linked in: xfrm_user nf_tables
| [   93.109638][ T2562] Tainted: [W]=WARN
[   93.109762][ T2562] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.109925][ T2562] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   93.110097][ T2562] 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
[   93.110570][ T2562] RSP: 0018:ffa000000367f1b0 EFLAGS: 00010286
[   93.110738][ T2562] RAX: 00000000ffffffa6 RBX: ff11000012121a80 RCX: 1ff40000006cfdfc
[   93.110932][ T2562] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012121b3c
[   93.111127][ T2562] RBP: ff11000012fb9000 R08: 1fe2200002424369 R09: ff1100001389ae80
[   93.111327][ T2562] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   93.111525][ T2562] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   93.111726][ T2562] FS:  00007f06fe437840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   93.111956][ T2562] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.112118][ T2562] CR2: 00000000004eb188 CR3: 00000000138c1002 CR4: 0000000000771ef0
[   93.112319][ T2562] PKRU: 55555554
[   93.112417][ T2562] Call Trace:
[   93.112517][ T2562]  <TASK>
[   93.112587][ T2562]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   93.112726][ T2562]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   93.112826][ T2562]  __dev_notify_flags (net/core/dev.c:9787)
[   93.112959][ T2562]  ? netif_change_name (net/core/dev.c:1495)
[   93.113093][ T2562]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   93.113224][ T2562]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   93.113364][ T2562]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   93.113498][ T2562]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   93.113634][ T2562]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   93.113770][ T2562]  ? __dev_get_by_name (net/core/dev.c:883)
[   93.113901][ T2562]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   93.114037][ T2562]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   93.114173][ T2562]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   93.114311][ T2562]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.114442][ T2562]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.114577][ T2562]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.114713][ T2562]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   93.114844][ T2562]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.114979][ T2562]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.115112][ T2562]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.115243][ T2562]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   93.115382][ T2562]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   93.115515][ T2562]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.115648][ T2562]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.115787][ T2562]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.115918][ T2562]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.116051][ T2562]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   93.116183][ T2562]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.116318][ T2562]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   93.116456][ T2562]  ? 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))
[   93.116591][ T2562]  ? 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))
[   93.116731][ T2562]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.116865][ T2562]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   93.116998][ T2562]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.117132][ T2562]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   93.117265][ T2562]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   93.117403][ T2562]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   93.117542][ T2562]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   93.117680][ T2562]  ? copy_msghdr_from_user (net/socket.c:2635)
[   93.117813][ T2562]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   93.117976][ T2562]  ? move_addr_to_kernel (net/socket.c:258)
[   93.118110][ T2562]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.118242][ T2562]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   93.118381][ T2562]  ___sys_sendmsg (net/socket.c:2752)
[   93.118514][ T2562]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   93.118650][ T2562]  ? copy_msghdr_from_user (net/socket.c:2603)
[   93.118791][ T2562]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   93.118928][ T2562]  ? 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))
[   93.119063][ T2562]  __sys_sendmsg (net/socket.c:2784)
[   93.119195][ T2562]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   93.119336][ T2562]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.119468][ T2562]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.119605][ T2562]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   93.119742][ T2562]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   93.119874][ T2562]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   93.120007][ T2562]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.120171][ T2562] RIP: 0033:0x7f06fe67108e
[   93.120312][ T2562] 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
[   93.120798][ T2562] RSP: 002b:00007ffda8a8de80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   93.120998][ T2562] RAX: ffffffffffffffda RBX: 00007ffda8a8e618 RCX: 00007f06fe67108e
[   93.121197][ T2562] RDX: 0000000000000000 RSI: 00007ffda8a8df30 RDI: 0000000000000005
[   93.121398][ T2562] RBP: 00007ffda8a8de90 R08: 0000000000000000 R09: 0000000000000000
[   93.121598][ T2562] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d887
[   93.121798][ T2562] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda8a8e5f0
| [   93.236126][ T2566] ------------[ cut here ]------------
| [   93.236312][ T2566] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2566
| [   93.236624][ T2566] Modules linked in: xfrm_user nf_tables
| [   93.237126][ T2566] Tainted: [W]=WARN
[   93.237268][ T2566] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.237485][ T2566] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   93.237719][ T2566] 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
[   93.238220][ T2566] RSP: 0018:ffa000000352f020 EFLAGS: 00010286
[   93.238437][ T2566] RAX: 00000000ffffffa6 RBX: ff110000120ca900 RCX: 1ff40000006a5dca
[   93.238693][ T2566] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000120ca9bc
[   93.238931][ T2566] RBP: ff11000012fb9000 R08: 1fe2200002419539 R09: ff110000133f5158
[   93.239168][ T2566] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   93.239411][ T2566] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   93.239669][ T2566] FS:  00007ff56fec1840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   93.239939][ T2566] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.240148][ T2566] CR2: 00007ff5701911a0 CR3: 0000000005862002 CR4: 0000000000771ef0
[   93.240397][ T2566] PKRU: 55555554
[   93.240545][ T2566] Call Trace:
[   93.240703][ T2566]  <TASK>
[   93.240816][ T2566]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   93.240994][ T2566]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   93.241139][ T2566]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   93.241320][ T2566]  __dev_notify_flags (net/core/dev.c:9787)
[   93.241498][ T2566]  ? netif_change_name (net/core/dev.c:1495)
[   93.241694][ T2566]  ? __dev_change_flags (net/core/dev.c:9752)
[   93.241870][ T2566]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   93.242047][ T2566]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.242223][ T2566]  ? 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))
[   93.242410][ T2566]  netif_change_flags (net/core/dev.c:9820)
[   93.242596][ T2566]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   93.242785][ T2566]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   93.242964][ T2566]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   93.243141][ T2566]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   93.243357][ T2566]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   93.243538][ T2566]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   93.243729][ T2566]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   93.243904][ T2566]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   93.244081][ T2566]  ? __kernel_text_address (kernel/extable.c:79)
[   93.244259][ T2566]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.244447][ T2566]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.244627][ T2566]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   93.244816][ T2566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.244992][ T2566]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   93.245167][ T2566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.245348][ T2566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.245528][ T2566]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   93.245716][ T2566]  ? __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)
[   93.245891][ T2566]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   93.246070][ T2566]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   93.246246][ T2566]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   93.246434][ T2566]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   93.246620][ T2566]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   93.246820][ T2566]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.247000][ T2566]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.247184][ T2566]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.247369][ T2566]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   93.247550][ T2566]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.247738][ T2566]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.247912][ T2566]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.248090][ T2566]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.248269][ T2566]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.248456][ T2566]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.248641][ T2566]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   93.248830][ T2566]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   93.249007][ T2566]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.249184][ T2566]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.249373][ T2566]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.249558][ T2566]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.249751][ T2566]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   93.249928][ T2566]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.250105][ T2566]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   93.250291][ T2566]  ? 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))
[   93.250467][ T2566]  ? 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))
[   93.250665][ T2566]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.250843][ T2566]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   93.251019][ T2566]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.251196][ T2566]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   93.251382][ T2566]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   93.251569][ T2566]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   93.251760][ T2566]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   93.251936][ T2566]  ? copy_msghdr_from_user (net/socket.c:2635)
[   93.252112][ T2566]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   93.252323][ T2566]  ? move_addr_to_kernel (net/socket.c:258)
[   93.252503][ T2566]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   93.252697][ T2566]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   93.252878][ T2566]  ___sys_sendmsg (net/socket.c:2752)
[   93.253052][ T2566]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   93.253262][ T2566]  ? copy_msghdr_from_user (net/socket.c:2603)
[   93.253460][ T2566]  __sys_sendmsg (net/socket.c:2784)
[   93.253645][ T2566]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   93.253834][ T2566]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   93.254045][ T2566]  ? 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)
[   93.254220][ T2566]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.254406][ T2566]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   93.254589][ T2566]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   93.254775][ T2566]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   93.254952][ T2566]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.255157][ T2566] RIP: 0033:0x7ff5700fb08e
[   93.255349][ T2566] 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
[   93.255869][ T2566] RSP: 002b:00007ffc21710cb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   93.256108][ T2566] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff5700fb08e
[   93.256351][ T2566] RDX: 0000000000000000 RSI: 00007ffc21710d60 RDI: 0000000000000005
[   93.256601][ T2566] RBP: 00007ffc21710cc0 R08: 0000000000000000 R09: 0000000000000000
[   93.256851][ T2566] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d887
[   93.257089][ T2566] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc21711420
| [   93.361476][ T2570] ------------[ cut here ]------------
| [   93.361658][ T2570] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2570
| [   93.361918][ T2570] Modules linked in: xfrm_user nf_tables
| [   93.362326][ T2570] Tainted: [W]=WARN
[   93.362424][ T2570] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.362589][ T2570] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   93.362764][ T2570] 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
[   93.363224][ T2570] RSP: 0018:ffa00000036cf020 EFLAGS: 00010286
[   93.363392][ T2570] RAX: 00000000ffffffa6 RBX: ff1100000e928900 RCX: 1ff40000006d9dca
[   93.363590][ T2570] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e9289bc
[   93.363787][ T2570] RBP: ff110000133c9000 R08: 1fe2200001d25139 R09: ff11000008e6d158
[   93.363982][ T2570] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   93.364174][ T2570] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   93.364374][ T2570] FS:  00007f77f830f840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   93.364604][ T2570] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.364771][ T2570] CR2: 000000002d062988 CR3: 000000000e874002 CR4: 0000000000771ef0
[   93.364966][ T2570] PKRU: 55555554
[   93.365064][ T2570] Call Trace:
[   93.365161][ T2570]  <TASK>
[   93.365230][ T2570]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   93.365368][ T2570]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   93.365467][ T2570]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   93.365601][ T2570]  __dev_notify_flags (net/core/dev.c:9787)
[   93.365739][ T2570]  ? netif_change_name (net/core/dev.c:1495)
[   93.365871][ T2570]  ? __dev_change_flags (net/core/dev.c:9752)
[   93.366004][ T2570]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   93.366136][ T2570]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.366265][ T2570]  ? 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))
[   93.366401][ T2570]  netif_change_flags (net/core/dev.c:9820)
[   93.366535][ T2570]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   93.366669][ T2570]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   93.366800][ T2570]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   93.366933][ T2570]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   93.367096][ T2570]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   93.367224][ T2570]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   93.367361][ T2570]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   93.367490][ T2570]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   93.367623][ T2570]  ? __kernel_text_address (kernel/extable.c:79)
[   93.367768][ T2570]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.367899][ T2570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.368028][ T2570]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   93.368159][ T2570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.368299][ T2570]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   93.368428][ T2570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.368561][ T2570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.368695][ T2570]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   93.368828][ T2570]  ? __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)
[   93.368957][ T2570]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   93.369088][ T2570]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   93.369218][ T2570]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   93.369355][ T2570]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   93.369489][ T2570]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   93.369624][ T2570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.369759][ T2570]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.369888][ T2570]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.370017][ T2570]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   93.370144][ T2570]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.370280][ T2570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.370411][ T2570]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.370542][ T2570]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.370677][ T2570]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.370807][ T2570]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.370936][ T2570]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   93.371066][ T2570]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   93.371195][ T2570]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.371329][ T2570]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.371459][ T2570]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.371593][ T2570]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.371732][ T2570]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   93.371862][ T2570]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.371991][ T2570]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   93.372124][ T2570]  ? 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))
[   93.372252][ T2570]  ? 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))
[   93.372388][ T2570]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.372520][ T2570]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   93.372657][ T2570]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.372787][ T2570]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   93.372917][ T2570]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   93.373048][ T2570]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   93.373179][ T2570]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   93.373312][ T2570]  ? copy_msghdr_from_user (net/socket.c:2635)
[   93.373441][ T2570]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   93.373606][ T2570]  ? move_addr_to_kernel (net/socket.c:258)
[   93.373745][ T2570]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   93.373874][ T2570]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   93.374006][ T2570]  ___sys_sendmsg (net/socket.c:2752)
[   93.374134][ T2570]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   93.374299][ T2570]  ? copy_msghdr_from_user (net/socket.c:2603)
[   93.374440][ T2570]  __sys_sendmsg (net/socket.c:2784)
[   93.374574][ T2570]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   93.374708][ T2570]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   93.374873][ T2570]  ? 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)
[   93.375004][ T2570]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.375134][ T2570]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   93.375264][ T2570]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   93.375399][ T2570]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   93.375531][ T2570]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.375697][ T2570] RIP: 0033:0x7f77f854908e
[   93.375834][ T2570] 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
[   93.376298][ T2570] RSP: 002b:00007ffc040eeeb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   93.376492][ T2570] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f77f854908e
[   93.376696][ T2570] RDX: 0000000000000000 RSI: 00007ffc040eef60 RDI: 0000000000000005
[   93.376888][ T2570] RBP: 00007ffc040eeec0 R08: 0000000000000000 R09: 0000000000000000
[   93.377079][ T2570] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d887
[   93.377277][ T2570] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc040ef620
| [   93.385981][   T36] ------------[ cut here ]------------
| [   93.386118][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   93.386359][   T36] Modules linked in: xfrm_user nf_tables
| [   93.386753][   T36] Tainted: [W]=WARN
[   93.386841][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.386992][   T36] Workqueue: events_unbound linkwatch_event
[   93.387145][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   93.387304][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   93.387725][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   93.387872][   T36] RAX: 00000000ffffffa6 RBX: ff110000122cf8c0 RCX: 1ff4000000051f02
[   93.388049][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000122cf97c
[   93.388224][   T36] RBP: ff110000133c9000 R08: 1fe2200002459f31 R09: ff11000001d751a8
[   93.388405][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   93.388582][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   93.388765][   T36] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   93.388970][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.389117][   T36] CR2: 000055d401a1a968 CR3: 000000004994d004 CR4: 0000000000771ef0
[   93.389297][   T36] PKRU: 55555554
[   93.389386][   T36] Call Trace:
[   93.389473][   T36]  <TASK>
[   93.389538][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   93.389662][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   93.389783][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   93.389877][   T36]  netif_state_change (net/core/dev.c:1605)
[   93.389995][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   93.390142][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   93.390257][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   93.390379][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   93.390504][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   93.390622][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   93.390745][   T36]  process_one_work (kernel/workqueue.c:3314)
[   93.390867][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   93.390988][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.391109][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   93.391228][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   93.391354][   T36]  kthread (kernel/kthread.c:436)
[   93.391442][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   93.391589][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   93.391715][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   93.391833][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   93.391983][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   93.392099][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   93.392215][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   93.393884][   T36] ------------[ cut here ]------------
| [   93.394048][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/36
| [   93.394303][   T36] Modules linked in: xfrm_user nf_tables
| [   93.394710][   T36] Tainted: [W]=WARN
[   93.394798][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.394949][   T36] Workqueue: events_unbound linkwatch_event
[   93.395099][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   93.395249][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   93.395689][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   93.395838][   T36] RAX: 00000000ffffffa6 RBX: ff110000122cee40 RCX: 1ff4000000051f02
[   93.396011][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000122ceefc
[   93.396186][   T36] RBP: ff11000012fb9000 R08: 1fe2200002459de1 R09: ff11000001d751a8
[   93.396365][   T36] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   93.396541][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   93.396723][   T36] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   93.396929][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.397078][   T36] CR2: 000055d401a1a968 CR3: 000000004994d004 CR4: 0000000000771ef0
[   93.397254][   T36] PKRU: 55555554
[   93.397348][   T36] Call Trace:
[   93.397435][   T36]  <TASK>
[   93.397496][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   93.397617][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   93.397742][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   93.397831][   T36]  netif_state_change (net/core/dev.c:1605)
[   93.397950][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   93.398100][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   93.398217][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   93.398339][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   93.398460][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   93.398581][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   93.398706][   T36]  process_one_work (kernel/workqueue.c:3314)
[   93.398828][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   93.398944][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.399067][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   93.399189][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   93.399312][   T36]  kthread (kernel/kthread.c:436)
[   93.399402][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   93.399553][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   93.399675][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   93.399791][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   93.399938][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   93.400057][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   93.400175][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   93.567320][ T2578] ------------[ cut here ]------------
| [   93.567514][ T2578] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2578
| [   93.568431][ T2578] Modules linked in: xfrm_user nf_tables
| [   93.569038][ T2578] Tainted: [W]=WARN
[   93.569186][ T2578] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.569411][ T2578] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   93.569642][ T2578] 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
[   93.570172][ T2578] RSP: 0018:ffa000000352ee30 EFLAGS: 00010286
[   93.570399][ T2578] RAX: 00000000ffffffa6 RBX: ff1100000f954040 RCX: 1ff40000006a5d8c
[   93.570649][ T2578] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f9540fc
[   93.570907][ T2578] RBP: ff11000009809000 R08: 1fe2200001f2a821 R09: ff11000009c5d180
[   93.571149][ T2578] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   93.571407][ T2578] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e855c80
[   93.571671][ T2578] FS:  00007effe6a99840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   93.571951][ T2578] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.572166][ T2578] CR2: 00000000004eb188 CR3: 000000000eb08006 CR4: 0000000000771ef0
[   93.572420][ T2578] PKRU: 55555554
[   93.572576][ T2578] Call Trace:
[   93.572735][ T2578]  <TASK>
[   93.572851][ T2578]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   93.573034][ T2578]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   93.573182][ T2578]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   93.573403][ T2578]  __dev_notify_flags (net/core/dev.c:9787)
[   93.573593][ T2578]  ? netif_change_name (net/core/dev.c:1495)
[   93.573784][ T2578]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   93.573966][ T2578]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   93.574145][ T2578]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   93.574338][ T2578]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   93.574523][ T2578]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.574719][ T2578]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   93.574901][ T2578]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   93.575081][ T2578]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   93.575263][ T2578]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   93.575456][ T2578]  veth_newlink (drivers/net/veth.c:1871)
[   93.575663][ T2578]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   93.575844][ T2578]  ? kasan_save_stack (mm/kasan/common.c:57)
[   93.576025][ T2578]  ? kasan_save_track (mm/kasan/common.c:78)
[   93.576203][ T2578]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   93.576408][ T2578]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   93.576601][ T2578]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   93.576796][ T2578]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   93.576975][ T2578]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   93.577156][ T2578]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   93.577347][ T2578]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   93.577531][ T2578]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   93.577726][ T2578]  ? __dev_get_by_name (net/core/dev.c:883)
[   93.577909][ T2578]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   93.578096][ T2578]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   93.578287][ T2578]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   93.578470][ T2578]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.578665][ T2578]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.578845][ T2578]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.579023][ T2578]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   93.579200][ T2578]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.579393][ T2578]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.579584][ T2578]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.579776][ T2578]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   93.579955][ T2578]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   93.580132][ T2578]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.580318][ T2578]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.580500][ T2578]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.580698][ T2578]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.580882][ T2578]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   93.581060][ T2578]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.581242][ T2578]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   93.581432][ T2578]  ? 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))
[   93.581617][ T2578]  ? 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))
[   93.581810][ T2578]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.581991][ T2578]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   93.582174][ T2578]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.582364][ T2578]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   93.582554][ T2578]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   93.582751][ T2578]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   93.582934][ T2578]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   93.583115][ T2578]  ? copy_msghdr_from_user (net/socket.c:2635)
[   93.583298][ T2578]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   93.583511][ T2578]  ? move_addr_to_kernel (net/socket.c:258)
[   93.583710][ T2578]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.583890][ T2578]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   93.584071][ T2578]  ___sys_sendmsg (net/socket.c:2752)
[   93.584249][ T2578]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   93.584437][ T2578]  ? copy_msghdr_from_user (net/socket.c:2603)
[   93.584626][ T2578]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   93.584822][ T2578]  ? 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))
[   93.585006][ T2578]  __sys_sendmsg (net/socket.c:2784)
[   93.585185][ T2578]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   93.585376][ T2578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.585562][ T2578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.585757][ T2578]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   93.585935][ T2578]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   93.586112][ T2578]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   93.586297][ T2578]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.586513][ T2578] RIP: 0033:0x7effe6cd308e
[   93.586713][ T2578] 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
[   93.587226][ T2578] RSP: 002b:00007ffd7f0495b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   93.587481][ T2578] RAX: ffffffffffffffda RBX: 00007ffd7f049d48 RCX: 00007effe6cd308e
[   93.587736][ T2578] RDX: 0000000000000000 RSI: 00007ffd7f049660 RDI: 0000000000000005
[   93.587979][ T2578] RBP: 00007ffd7f0495c0 R08: 0000000000000000 R09: 0000000000000000
[   93.588221][ T2578] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d887
[   93.588473][ T2578] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7f049d20
| [   93.601695][ T2578] ------------[ cut here ]------------
| [   93.601842][ T2578] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2578
| [   93.602103][ T2578] Modules linked in: xfrm_user nf_tables
| [   93.602510][ T2578] Tainted: [W]=WARN
[   93.602609][ T2578] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.602780][ T2578] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   93.602949][ T2578] 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
[   93.603421][ T2578] RSP: 0018:ffa000000352f1b0 EFLAGS: 00010286
[   93.603588][ T2578] RAX: 00000000ffffffa6 RBX: ff1100000dda9380 RCX: 1ff40000006a5dfc
[   93.603788][ T2578] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dda943c
[   93.603982][ T2578] RBP: ff1100001349c000 R08: 1fe2200001bb5289 R09: ff11000009c5d180
[   93.604175][ T2578] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   93.604374][ T2578] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   93.604573][ T2578] FS:  00007effe6a99840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   93.604806][ T2578] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.604969][ T2578] CR2: 00007ffe3bb9dec8 CR3: 000000000eb08002 CR4: 0000000000771ef0
[   93.605166][ T2578] PKRU: 55555554
[   93.605263][ T2578] Call Trace:
[   93.605367][ T2578]  <TASK>
[   93.605436][ T2578]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   93.605572][ T2578]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   93.605679][ T2578]  __dev_notify_flags (net/core/dev.c:9787)
[   93.605812][ T2578]  ? netif_change_name (net/core/dev.c:1495)
[   93.605942][ T2578]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   93.606073][ T2578]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   93.606206][ T2578]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   93.606342][ T2578]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   93.606476][ T2578]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   93.606609][ T2578]  ? __dev_get_by_name (net/core/dev.c:883)
[   93.606744][ T2578]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   93.606880][ T2578]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   93.607013][ T2578]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   93.607145][ T2578]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.607279][ T2578]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.607411][ T2578]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.607546][ T2578]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   93.607681][ T2578]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.607816][ T2578]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.607947][ T2578]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.608079][ T2578]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   93.608208][ T2578]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   93.608344][ T2578]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.608473][ T2578]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.608611][ T2578]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.608746][ T2578]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.608878][ T2578]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   93.609011][ T2578]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.609142][ T2578]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   93.609283][ T2578]  ? 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))
[   93.609414][ T2578]  ? 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))
[   93.609550][ T2578]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.609688][ T2578]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   93.609821][ T2578]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.609955][ T2578]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   93.610088][ T2578]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   93.610224][ T2578]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   93.610362][ T2578]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   93.610494][ T2578]  ? copy_msghdr_from_user (net/socket.c:2635)
[   93.610629][ T2578]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   93.610797][ T2578]  ? move_addr_to_kernel (net/socket.c:258)
[   93.610930][ T2578]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.611063][ T2578]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   93.611196][ T2578]  ___sys_sendmsg (net/socket.c:2752)
[   93.611333][ T2578]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   93.611465][ T2578]  ? copy_msghdr_from_user (net/socket.c:2603)
[   93.611605][ T2578]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   93.611750][ T2578]  ? 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))
[   93.611883][ T2578]  __sys_sendmsg (net/socket.c:2784)
[   93.612016][ T2578]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   93.612151][ T2578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.612286][ T2578]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.612419][ T2578]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   93.612555][ T2578]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   93.612693][ T2578]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   93.612824][ T2578]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.612987][ T2578] RIP: 0033:0x7effe6cd308e
[   93.613125][ T2578] 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
[   93.613607][ T2578] RSP: 002b:00007ffd7f0495b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   93.613813][ T2578] RAX: ffffffffffffffda RBX: 00007ffd7f049d48 RCX: 00007effe6cd308e
[   93.614011][ T2578] RDX: 0000000000000000 RSI: 00007ffd7f049660 RDI: 0000000000000005
[   93.614207][ T2578] RBP: 00007ffd7f0495c0 R08: 0000000000000000 R09: 0000000000000000
[   93.614409][ T2578] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d887
[   93.614611][ T2578] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7f049d20
| [   93.723887][ T2582] ------------[ cut here ]------------
| [   93.724071][ T2582] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2582
| [   93.724381][ T2582] Modules linked in: xfrm_user nf_tables
| [   93.725478][ T2582] Tainted: [W]=WARN
[   93.725719][ T2582] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.726019][ T2582] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   93.726294][ T2582] 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
[   93.726900][ T2582] RSP: 0018:ffa000000352f020 EFLAGS: 00010286
[   93.727106][ T2582] RAX: 00000000ffffffa6 RBX: ff11000014d3d540 RCX: 1ff40000006a5dca
[   93.727353][ T2582] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000014d3d5fc
[   93.727609][ T2582] RBP: ff1100001349c000 R08: 1fe22000029a7ac1 R09: ff1100000ebbae58
[   93.727856][ T2582] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   93.728095][ T2582] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   93.728343][ T2582] FS:  00007f44b73d3840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   93.728625][ T2582] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.728847][ T2582] CR2: 000000004018d988 CR3: 000000000cf28001 CR4: 0000000000771ef0
[   93.729088][ T2582] PKRU: 55555554
[   93.729233][ T2582] Call Trace:
[   93.729384][ T2582]  <TASK>
[   93.729498][ T2582]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   93.729699][ T2582]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   93.729848][ T2582]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   93.730023][ T2582]  __dev_notify_flags (net/core/dev.c:9787)
[   93.730202][ T2582]  ? netif_change_name (net/core/dev.c:1495)
[   93.730385][ T2582]  ? __dev_change_flags (net/core/dev.c:9752)
[   93.730570][ T2582]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   93.730759][ T2582]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.730938][ T2582]  ? 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))
[   93.731119][ T2582]  netif_change_flags (net/core/dev.c:9820)
[   93.731303][ T2582]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   93.731481][ T2582]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   93.731677][ T2582]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   93.731858][ T2582]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   93.732073][ T2582]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   93.732250][ T2582]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   93.732437][ T2582]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   93.732619][ T2582]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   93.732808][ T2582]  ? __kernel_text_address (kernel/extable.c:79)
[   93.732986][ T2582]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.733165][ T2582]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.733352][ T2582]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   93.733532][ T2582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.733724][ T2582]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   93.733899][ T2582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.734080][ T2582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.734258][ T2582]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   93.734445][ T2582]  ? __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)
[   93.734629][ T2582]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   93.734824][ T2582]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   93.735002][ T2582]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   93.735182][ T2582]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   93.735374][ T2582]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   93.735561][ T2582]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.735752][ T2582]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.735930][ T2582]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.736106][ T2582]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   93.736293][ T2582]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.736475][ T2582]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.736669][ T2582]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.736848][ T2582]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.737025][ T2582]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.737204][ T2582]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.737404][ T2582]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   93.737591][ T2582]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   93.737781][ T2582]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.737958][ T2582]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.738137][ T2582]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.738319][ T2582]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.738498][ T2582]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   93.738696][ T2582]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.738875][ T2582]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   93.739057][ T2582]  ? 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))
[   93.739233][ T2582]  ? 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))
[   93.739422][ T2582]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.739609][ T2582]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   93.739800][ T2582]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.739977][ T2582]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   93.740155][ T2582]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   93.740344][ T2582]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   93.740528][ T2582]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   93.740721][ T2582]  ? copy_msghdr_from_user (net/socket.c:2635)
[   93.740897][ T2582]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   93.741104][ T2582]  ? move_addr_to_kernel (net/socket.c:258)
[   93.741287][ T2582]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   93.741464][ T2582]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   93.741665][ T2582]  ___sys_sendmsg (net/socket.c:2752)
[   93.741844][ T2582]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   93.742071][ T2582]  ? copy_msghdr_from_user (net/socket.c:2603)
[   93.742258][ T2582]  __sys_sendmsg (net/socket.c:2784)
[   93.742443][ T2582]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   93.742623][ T2582]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   93.742847][ T2582]  ? 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)
[   93.743024][ T2582]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.743203][ T2582]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   93.743382][ T2582]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   93.743567][ T2582]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   93.743758][ T2582]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.743964][ T2582] RIP: 0033:0x7f44b760d08e
[   93.744146][ T2582] 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
[   93.744679][ T2582] RSP: 002b:00007ffcdc7cd510 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   93.744921][ T2582] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f44b760d08e
[   93.745160][ T2582] RDX: 0000000000000000 RSI: 00007ffcdc7cd5c0 RDI: 0000000000000005
[   93.745409][ T2582] RBP: 00007ffcdc7cd520 R08: 0000000000000000 R09: 0000000000000000
[   93.745668][ T2582] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d887
[   93.745906][ T2582] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcdc7cdc80
| [   93.854395][ T2586] ------------[ cut here ]------------
| [   93.854548][ T2586] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2586
| [   93.854815][ T2586] Modules linked in: xfrm_user nf_tables
| [   93.855213][ T2586] Tainted: [W]=WARN
[   93.855316][ T2586] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.855481][ T2586] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   93.855659][ T2586] 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
[   93.856120][ T2586] RSP: 0018:ffa00000036df020 EFLAGS: 00010286
[   93.856288][ T2586] RAX: 00000000ffffffa6 RBX: ff1100001246e3c0 RCX: 1ff40000006dbdca
[   93.856483][ T2586] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e47c
[   93.856684][ T2586] RBP: ff11000009809000 R08: 1fe220000248dc91 R09: ff1100000f250b58
[   93.856877][ T2586] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   93.857069][ T2586] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   93.857264][ T2586] FS:  00007fbd6f4aa840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   93.857495][ T2586] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.857666][ T2586] CR2: 000000003df80988 CR3: 0000000009a45005 CR4: 0000000000771ef0
[   93.857861][ T2586] PKRU: 55555554
[   93.857958][ T2586] Call Trace:
[   93.858054][ T2586]  <TASK>
[   93.858122][ T2586]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   93.858253][ T2586]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   93.858356][ T2586]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   93.858484][ T2586]  __dev_notify_flags (net/core/dev.c:9787)
[   93.858619][ T2586]  ? netif_change_name (net/core/dev.c:1495)
[   93.858754][ T2586]  ? __dev_change_flags (net/core/dev.c:9752)
[   93.858883][ T2586]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   93.859013][ T2586]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.859142][ T2586]  ? 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))
[   93.859277][ T2586]  netif_change_flags (net/core/dev.c:9820)
[   93.859408][ T2586]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   93.859540][ T2586]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   93.859679][ T2586]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   93.859809][ T2586]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   93.859970][ T2586]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   93.860099][ T2586]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   93.860228][ T2586]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   93.860363][ T2586]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   93.860494][ T2586]  ? __kernel_text_address (kernel/extable.c:79)
[   93.860630][ T2586]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.860842][ T2586]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.860971][ T2586]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   93.861102][ T2586]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.861230][ T2586]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   93.861363][ T2586]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.861491][ T2586]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.861623][ T2586]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   93.861842][ T2586]  ? __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)
[   93.861972][ T2586]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   93.862102][ T2586]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   93.862236][ T2586]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   93.862373][ T2586]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   93.862509][ T2586]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   93.862640][ T2586]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.862843][ T2586]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.863055][ T2586]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.863184][ T2586]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   93.863316][ T2586]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.863448][ T2586]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.863578][ T2586]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.863792][ T2586]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.863921][ T2586]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   93.864051][ T2586]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   93.864179][ T2586]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   93.864314][ T2586]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   93.864445][ T2586]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.864574][ T2586]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.864760][ T2586]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.864888][ T2586]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   93.865018][ T2586]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   93.865145][ T2586]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   93.865280][ T2586]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   93.865415][ T2586]  ? 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))
[   93.865547][ T2586]  ? 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))
[   93.865738][ T2586]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   93.865869][ T2586]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   93.865997][ T2586]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   93.866126][ T2586]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   93.866255][ T2586]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   93.866390][ T2586]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   93.866525][ T2586]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   93.866659][ T2586]  ? copy_msghdr_from_user (net/socket.c:2635)
[   93.866788][ T2586]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   93.866948][ T2586]  ? move_addr_to_kernel (net/socket.c:258)
[   93.867078][ T2586]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   93.867207][ T2586]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   93.867342][ T2586]  ___sys_sendmsg (net/socket.c:2752)
[   93.867473][ T2586]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   93.867635][ T2586]  ? copy_msghdr_from_user (net/socket.c:2603)
[   93.867781][ T2586]  __sys_sendmsg (net/socket.c:2784)
[   93.867911][ T2586]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   93.868038][ T2586]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   93.868199][ T2586]  ? 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)
[   93.868332][ T2586]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   93.868462][ T2586]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   93.868595][ T2586]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   93.868727][ T2586]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   93.868855][ T2586]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   93.869015][ T2586] RIP: 0033:0x7fbd6f6e408e
[   93.869150][ T2586] 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
[   93.869613][ T2586] RSP: 002b:00007ffd35db4c50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   93.869812][ T2586] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fbd6f6e408e
[   93.870005][ T2586] RDX: 0000000000000000 RSI: 00007ffd35db4d00 RDI: 0000000000000005
[   93.870194][ T2586] RBP: 00007ffd35db4c60 R08: 0000000000000000 R09: 0000000000000000
[   93.870390][ T2586] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d888
[   93.870584][ T2586] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd35db53c0
| [   93.872897][   T36] ------------[ cut here ]------------
| [   93.873027][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/36
| [   93.873257][   T36] Modules linked in: xfrm_user nf_tables
| [   93.873665][   T36] Tainted: [W]=WARN
[   93.873759][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.873907][   T36] Workqueue: events_unbound linkwatch_event
[   93.874069][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   93.874223][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   93.874656][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   93.874805][   T36] RAX: 00000000ffffffa6 RBX: ff1100000c541c40 RCX: 1ff4000000051f02
[   93.874982][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c541cfc
[   93.875156][   T36] RBP: ff11000009809000 R08: 1fe22000018a83a1 R09: ff11000001d751a8
[   93.875340][   T36] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   93.875516][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   93.875706][   T36] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   93.875911][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.876058][   T36] CR2: 00007f4cd72fcf98 CR3: 000000004994d001 CR4: 0000000000771ef0
[   93.876235][   T36] PKRU: 55555554
[   93.876330][   T36] Call Trace:
[   93.876418][   T36]  <TASK>
[   93.876479][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   93.876600][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   93.876721][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   93.876812][   T36]  netif_state_change (net/core/dev.c:1605)
[   93.876930][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   93.877078][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   93.877198][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   93.877319][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   93.877440][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   93.877559][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   93.877681][   T36]  process_one_work (kernel/workqueue.c:3314)
[   93.877804][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   93.877921][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.878042][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   93.878165][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   93.878285][   T36]  kthread (kernel/kthread.c:436)
[   93.878374][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   93.878522][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   93.878642][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   93.878766][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   93.878912][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   93.879031][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   93.879149][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   93.887282][   T36] ------------[ cut here ]------------
| [   93.887405][   T36] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/36
| [   93.887639][   T36] Modules linked in: xfrm_user nf_tables
| [   93.888038][   T36] Tainted: [W]=WARN
[   93.888130][   T36] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   93.888291][   T36] Workqueue: events_unbound linkwatch_event
[   93.888450][   T36] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   93.888605][   T36] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   93.889033][   T36] RSP: 0018:ffa000000028f9e0 EFLAGS: 00010286
[   93.889185][   T36] RAX: 00000000ffffffa6 RBX: ff110000125118c0 RCX: 1ff4000000051f02
[   93.889367][   T36] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001251197c
[   93.889544][   T36] RBP: ff1100001349c000 R08: 1fe22000024a2331 R09: ff11000001d751a8
[   93.889722][   T36] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   93.889902][   T36] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   93.890078][   T36] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   93.890287][   T36] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   93.890436][   T36] CR2: 00007f4cd72fcf98 CR3: 000000004994d001 CR4: 0000000000771ef0
[   93.890622][   T36] PKRU: 55555554
[   93.890714][   T36] Call Trace:
[   93.890802][   T36]  <TASK>
[   93.890863][   T36]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   93.890981][   T36]  ? notifier_call_chain (kernel/notifier.c:85)
[   93.891099][   T36]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   93.891195][   T36]  netif_state_change (net/core/dev.c:1605)
[   93.891319][   T36]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   93.891467][   T36]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   93.891588][   T36]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   93.891712][   T36]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   93.891833][   T36]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   93.891951][   T36]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   93.892070][   T36]  process_one_work (kernel/workqueue.c:3314)
[   93.892193][   T36]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   93.892313][   T36]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   93.892435][   T36]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   93.892560][   T36]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   93.892682][   T36]  kthread (kernel/kthread.c:436)
[   93.892771][   T36]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   93.892922][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   93.893039][   T36]  ret_from_fork (arch/x86/kernel/process.c:158)
[   93.893157][   T36]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   93.893308][   T36]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   93.893427][   T36]  ? kthread_affine_node (kernel/kthread.c:378)
[   93.893550][   T36]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.057721][ T2594] ------------[ cut here ]------------
| [   94.057878][ T2594] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2594
| [   94.058148][ T2594] Modules linked in: xfrm_user nf_tables
| [   94.058567][ T2594] Tainted: [W]=WARN
[   94.058672][ T2594] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.058841][ T2594] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.059017][ T2594] 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
[   94.059500][ T2594] RSP: 0018:ffa000000375ee30 EFLAGS: 00010286
[   94.059680][ T2594] RAX: 00000000ffffffa6 RBX: ff11000012120900 RCX: 1ff40000006ebd8c
[   94.059880][ T2594] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121209bc
[   94.060079][ T2594] RBP: ff1100000e80c000 R08: 1fe2200002424139 R09: ff1100000de82e80
[   94.060283][ T2594] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   94.060485][ T2594] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ead0080
[   94.060696][ T2594] FS:  00007fa2ee246840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   94.060930][ T2594] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.061099][ T2594] CR2: 00000000004eb188 CR3: 000000001384d005 CR4: 0000000000771ef0
[   94.061307][ T2594] PKRU: 55555554
[   94.061407][ T2594] Call Trace:
[   94.061510][ T2594]  <TASK>
[   94.061580][ T2594]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.061722][ T2594]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.061824][ T2594]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   94.061992][ T2594]  __dev_notify_flags (net/core/dev.c:9787)
[   94.062131][ T2594]  ? netif_change_name (net/core/dev.c:1495)
[   94.062265][ T2594]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   94.062405][ T2594]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   94.062540][ T2594]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   94.062681][ T2594]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   94.062819][ T2594]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.062955][ T2594]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   94.063091][ T2594]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   94.063224][ T2594]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   94.063364][ T2594]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   94.063501][ T2594]  veth_newlink (drivers/net/veth.c:1871)
[   94.063640][ T2594]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   94.063780][ T2594]  ? kasan_save_stack (mm/kasan/common.c:57)
[   94.063914][ T2594]  ? kasan_save_track (mm/kasan/common.c:78)
[   94.064047][ T2594]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   94.064197][ T2594]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   94.064337][ T2594]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   94.064473][ T2594]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   94.064612][ T2594]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   94.064754][ T2594]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   94.064889][ T2594]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   94.065026][ T2594]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   94.065162][ T2594]  ? __dev_get_by_name (net/core/dev.c:883)
[   94.065302][ T2594]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   94.065444][ T2594]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   94.065585][ T2594]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   94.065726][ T2594]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.065860][ T2594]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.065995][ T2594]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   94.066130][ T2594]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   94.066266][ T2594]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.066410][ T2594]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.066549][ T2594]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   94.066689][ T2594]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   94.066823][ T2594]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   94.066959][ T2594]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   94.067094][ T2594]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   94.067230][ T2594]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.067370][ T2594]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.067508][ T2594]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   94.067641][ T2594]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   94.067780][ T2594]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   94.067920][ T2594]  ? 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))
[   94.068056][ T2594]  ? 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))
[   94.068192][ T2594]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   94.068331][ T2594]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   94.068466][ T2594]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   94.068606][ T2594]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   94.068748][ T2594]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   94.068885][ T2594]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   94.069026][ T2594]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   94.069161][ T2594]  ? copy_msghdr_from_user (net/socket.c:2635)
[   94.069302][ T2594]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   94.069467][ T2594]  ? move_addr_to_kernel (net/socket.c:258)
[   94.069606][ T2594]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.069746][ T2594]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   94.069881][ T2594]  ___sys_sendmsg (net/socket.c:2752)
[   94.070014][ T2594]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   94.070150][ T2594]  ? copy_msghdr_from_user (net/socket.c:2603)
[   94.070292][ T2594]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   94.070429][ T2594]  ? 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))
[   94.070568][ T2594]  __sys_sendmsg (net/socket.c:2784)
[   94.070706][ T2594]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   94.070845][ T2594]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.070979][ T2594]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.071114][ T2594]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   94.071249][ T2594]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   94.071389][ T2594]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   94.071526][ T2594]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   94.071698][ T2594] RIP: 0033:0x7fa2ee48008e
[   94.071840][ T2594] 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
[   94.072334][ T2594] RSP: 002b:00007fff33c801e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   94.072540][ T2594] RAX: ffffffffffffffda RBX: 00007fff33c80978 RCX: 00007fa2ee48008e
[   94.072746][ T2594] RDX: 0000000000000000 RSI: 00007fff33c80290 RDI: 0000000000000005
[   94.072948][ T2594] RBP: 00007fff33c801f0 R08: 0000000000000000 R09: 0000000000000000
[   94.073148][ T2594] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d888
[   94.073354][ T2594] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff33c80950
| [   94.081576][ T2594] ------------[ cut here ]------------
| [   94.081727][ T2594] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2594
| [   94.081989][ T2594] Modules linked in: xfrm_user nf_tables
| [   94.082399][ T2594] Tainted: [W]=WARN
[   94.082502][ T2594] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.082679][ T2594] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.082854][ T2594] 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
[   94.083331][ T2594] RSP: 0018:ffa000000375f1b0 EFLAGS: 00010286
[   94.083497][ T2594] RAX: 00000000ffffffa6 RBX: ff1100001243fa80 RCX: 1ff40000006ebdfc
[   94.083702][ T2594] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243fb3c
[   94.083899][ T2594] RBP: ff1100000fb7c000 R08: 1fe2200002487f69 R09: ff1100000de82e80
[   94.084097][ T2594] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   94.084298][ T2594] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[   94.084497][ T2594] FS:  00007fa2ee246840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   94.084736][ T2594] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.084902][ T2594] CR2: 00000000004eb188 CR3: 000000001384d005 CR4: 0000000000771ef0
[   94.085101][ T2594] PKRU: 55555554
[   94.085200][ T2594] Call Trace:
[   94.085304][ T2594]  <TASK>
[   94.085372][ T2594]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.085512][ T2594]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.085614][ T2594]  __dev_notify_flags (net/core/dev.c:9787)
[   94.085752][ T2594]  ? netif_change_name (net/core/dev.c:1495)
[   94.085888][ T2594]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   94.086019][ T2594]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   94.086156][ T2594]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   94.086293][ T2594]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   94.086428][ T2594]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   94.086565][ T2594]  ? __dev_get_by_name (net/core/dev.c:883)
[   94.087243][ T2594]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   94.087389][ T2594]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   94.087530][ T2594]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   94.087722][ T2594]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.087855][ T2594]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.087987][ T2594]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   94.088118][ T2594]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   94.088248][ T2594]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.088417][ T2594]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.088555][ T2594]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   94.088745][ T2594]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   94.088933][ T2594]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   94.089064][ T2594]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   94.089194][ T2594]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   94.089334][ T2594]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.089465][ T2594]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.089602][ T2594]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   94.089791][ T2594]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   94.089926][ T2594]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   94.090062][ T2594]  ? 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))
[   94.090193][ T2594]  ? 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))
[   94.090335][ T2594]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   94.090469][ T2594]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   94.090606][ T2594]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   94.090796][ T2594]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   94.090931][ T2594]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   94.091066][ T2594]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   94.091200][ T2594]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   94.091338][ T2594]  ? copy_msghdr_from_user (net/socket.c:2635)
[   94.091470][ T2594]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   94.091636][ T2594]  ? move_addr_to_kernel (net/socket.c:258)
[   94.091827][ T2594]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.091959][ T2594]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   94.092092][ T2594]  ___sys_sendmsg (net/socket.c:2752)
[   94.092225][ T2594]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   94.092362][ T2594]  ? copy_msghdr_from_user (net/socket.c:2603)
[   94.092499][ T2594]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   94.092639][ T2594]  ? 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))
[   94.092830][ T2594]  __sys_sendmsg (net/socket.c:2784)
[   94.092963][ T2594]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   94.093100][ T2594]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.093232][ T2594]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.093371][ T2594]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   94.093504][ T2594]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   94.093637][ T2594]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   94.093825][ T2594]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   94.093989][ T2594] RIP: 0033:0x7fa2ee48008e
[   94.094128][ T2594] 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
[   94.094609][ T2594] RSP: 002b:00007fff33c801e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   94.094869][ T2594] RAX: ffffffffffffffda RBX: 00007fff33c80978 RCX: 00007fa2ee48008e
[   94.095068][ T2594] RDX: 0000000000000000 RSI: 00007fff33c80290 RDI: 0000000000000005
[   94.095267][ T2594] RBP: 00007fff33c801f0 R08: 0000000000000000 R09: 0000000000000000
[   94.095470][ T2594] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d888
[   94.095823][ T2594] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff33c80950
| [   94.207606][ T2598] ------------[ cut here ]------------
| [   94.207795][ T2598] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2598
| [   94.208096][ T2598] Modules linked in: xfrm_user nf_tables
| [   94.208610][ T2598] Tainted: [W]=WARN
[   94.208768][ T2598] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.208975][ T2598] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.209188][ T2598] 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
[   94.209720][ T2598] RSP: 0018:ffa000000376f020 EFLAGS: 00010286
[   94.209930][ T2598] RAX: 00000000ffffffa6 RBX: ff110000109271c0 RCX: 1ff40000006eddca
[   94.210169][ T2598] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001092727c
[   94.210414][ T2598] RBP: ff1100000fb7c000 R08: 1fe2200002124e51 R09: ff1100000aba8b58
[   94.210670][ T2598] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   94.210906][ T2598] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   94.211144][ T2598] FS:  00007f77c64d7840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   94.211427][ T2598] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.211676][ T2598] CR2: 0000000039c3f988 CR3: 000000000fcc4001 CR4: 0000000000771ef0
[   94.211917][ T2598] PKRU: 55555554
[   94.212063][ T2598] Call Trace:
[   94.212209][ T2598]  <TASK>
[   94.212331][ T2598]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.212517][ T2598]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.212679][ T2598]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   94.212862][ T2598]  __dev_notify_flags (net/core/dev.c:9787)
[   94.213042][ T2598]  ? netif_change_name (net/core/dev.c:1495)
[   94.213218][ T2598]  ? __dev_change_flags (net/core/dev.c:9752)
[   94.213404][ T2598]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   94.213589][ T2598]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.213783][ T2598]  ? 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))
[   94.213962][ T2598]  netif_change_flags (net/core/dev.c:9820)
[   94.214140][ T2598]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   94.214322][ T2598]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   94.214505][ T2598]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   94.214700][ T2598]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   94.214910][ T2598]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   94.215086][ T2598]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   94.215262][ T2598]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   94.215447][ T2598]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   94.215631][ T2598]  ? __kernel_text_address (kernel/extable.c:79)
[   94.215822][ T2598]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   94.216001][ T2598]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.216176][ T2598]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   94.216359][ T2598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.216541][ T2598]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.216731][ T2598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.216906][ T2598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.217082][ T2598]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   94.217259][ T2598]  ? __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)
[   94.217443][ T2598]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   94.217627][ T2598]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   94.217820][ T2598]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   94.218000][ T2598]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   94.218180][ T2598]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   94.218369][ T2598]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.218554][ T2598]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.218745][ T2598]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   94.218922][ T2598]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   94.219097][ T2598]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.219288][ T2598]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.219466][ T2598]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.219665][ T2598]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   94.219843][ T2598]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.220021][ T2598]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   94.220199][ T2598]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   94.220386][ T2598]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   94.220570][ T2598]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   94.220763][ T2598]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   94.220943][ T2598]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.221117][ T2598]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.221302][ T2598]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   94.221481][ T2598]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   94.221678][ T2598]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   94.221860][ T2598]  ? 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))
[   94.222036][ T2598]  ? 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))
[   94.222218][ T2598]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   94.222406][ T2598]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   94.222591][ T2598]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   94.222782][ T2598]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   94.222960][ T2598]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   94.223137][ T2598]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   94.223324][ T2598]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   94.223506][ T2598]  ? copy_msghdr_from_user (net/socket.c:2635)
[   94.223699][ T2598]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   94.223907][ T2598]  ? move_addr_to_kernel (net/socket.c:258)
[   94.224084][ T2598]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   94.224261][ T2598]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   94.224447][ T2598]  ___sys_sendmsg (net/socket.c:2752)
[   94.224628][ T2598]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   94.224852][ T2598]  ? copy_msghdr_from_user (net/socket.c:2603)
[   94.225040][ T2598]  __sys_sendmsg (net/socket.c:2784)
[   94.225217][ T2598]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   94.225399][ T2598]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   94.225617][ T2598]  ? 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)
[   94.225805][ T2598]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.225982][ T2598]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   94.226161][ T2598]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   94.226345][ T2598]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   94.226525][ T2598]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   94.226747][ T2598] RIP: 0033:0x7f77c671108e
[   94.226928][ T2598] 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
[   94.227442][ T2598] RSP: 002b:00007ffdb99980c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   94.227701][ T2598] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f77c671108e
[   94.227940][ T2598] RDX: 0000000000000000 RSI: 00007ffdb9998170 RDI: 0000000000000005
[   94.228179][ T2598] RBP: 00007ffdb99980d0 R08: 0000000000000000 R09: 0000000000000000
[   94.228429][ T2598] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d888
[   94.228689][ T2598] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb9998830
| [   94.332105][ T2602] ------------[ cut here ]------------
| [   94.332252][ T2602] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2602
| [   94.332516][ T2602] Modules linked in: xfrm_user nf_tables
| [   94.333388][ T2602] Tainted: [W]=WARN
[   94.333486][ T2602] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.333656][ T2602] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.333824][ T2602] 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
[   94.334286][ T2602] RSP: 0018:ffa00000036bf020 EFLAGS: 00010286
[   94.334449][ T2602] RAX: 00000000ffffffa6 RBX: ff110000154a1540 RCX: 1ff40000006d7dca
[   94.334642][ T2602] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000154a15fc
[   94.334839][ T2602] RBP: ff1100000e80c000 R08: 1fe2200002a942c1 R09: ff110000129cae58
[   94.335032][ T2602] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   94.335222][ T2602] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   94.335423][ T2602] FS:  00007fb40e134840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   94.335657][ T2602] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.335819][ T2602] CR2: 0000000033eaa988 CR3: 0000000012929006 CR4: 0000000000771ef0
[   94.336012][ T2602] PKRU: 55555554
[   94.336110][ T2602] Call Trace:
[   94.336205][ T2602]  <TASK>
[   94.336271][ T2602]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.336407][ T2602]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.336510][ T2602]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   94.336639][ T2602]  __dev_notify_flags (net/core/dev.c:9787)
[   94.336775][ T2602]  ? netif_change_name (net/core/dev.c:1495)
[   94.336905][ T2602]  ? __dev_change_flags (net/core/dev.c:9752)
[   94.337035][ T2602]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   94.337164][ T2602]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.337299][ T2602]  ? 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))
[   94.337431][ T2602]  netif_change_flags (net/core/dev.c:9820)
[   94.337565][ T2602]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   94.337698][ T2602]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   94.337830][ T2602]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   94.337960][ T2602]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   94.338122][ T2602]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   94.338250][ T2602]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   94.338382][ T2602]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   94.338514][ T2602]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   94.338644][ T2602]  ? __kernel_text_address (kernel/extable.c:79)
[   94.338779][ T2602]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   94.338911][ T2602]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.339040][ T2602]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   94.339169][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.339306][ T2602]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   94.339434][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.339570][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.339704][ T2602]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   94.339834][ T2602]  ? __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)
[   94.339962][ T2602]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   94.340092][ T2602]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   94.340224][ T2602]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   94.340362][ T2602]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   94.340494][ T2602]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   94.340631][ T2602]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.340764][ T2602]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.340892][ T2602]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   94.341020][ T2602]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   94.341147][ T2602]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.341284][ T2602]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.341413][ T2602]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.341545][ T2602]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   94.341681][ T2602]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   94.341811][ T2602]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   94.341943][ T2602]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   94.342072][ T2602]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   94.342201][ T2602]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   94.342334][ T2602]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   94.342466][ T2602]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.342599][ T2602]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   94.342733][ T2602]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   94.342863][ T2602]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   94.342994][ T2602]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   94.343128][ T2602]  ? 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))
[   94.343255][ T2602]  ? 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))
[   94.343391][ T2602]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   94.343523][ T2602]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   94.343659][ T2602]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   94.343790][ T2602]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   94.343920][ T2602]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   94.344049][ T2602]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   94.344180][ T2602]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   94.344315][ T2602]  ? copy_msghdr_from_user (net/socket.c:2635)
[   94.344443][ T2602]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   94.344609][ T2602]  ? move_addr_to_kernel (net/socket.c:258)
[   94.344746][ T2602]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   94.344875][ T2602]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   94.345007][ T2602]  ___sys_sendmsg (net/socket.c:2752)
[   94.345134][ T2602]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   94.345300][ T2602]  ? copy_msghdr_from_user (net/socket.c:2603)
[   94.345442][ T2602]  __sys_sendmsg (net/socket.c:2784)
[   94.345576][ T2602]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   94.345710][ T2602]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   94.345872][ T2602]  ? 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)
[   94.346001][ T2602]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   94.346130][ T2602]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   94.346258][ T2602]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   94.346393][ T2602]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   94.346526][ T2602]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   94.346692][ T2602] RIP: 0033:0x7fb40e36e08e
[   94.346830][ T2602] 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
[   94.347297][ T2602] RSP: 002b:00007ffe99eb9540 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   94.347492][ T2602] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb40e36e08e
[   94.347693][ T2602] RDX: 0000000000000000 RSI: 00007ffe99eb95f0 RDI: 0000000000000005
[   94.347886][ T2602] RBP: 00007ffe99eb9550 R08: 0000000000000000 R09: 0000000000000000
[   94.348077][ T2602] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d888
[   94.348269][ T2602] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe99eb9cb0
| [   94.350588][   T64] ------------[ cut here ]------------
| [   94.350759][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/64
| [   94.351041][   T64] Modules linked in: xfrm_user nf_tables
| [   94.351533][   T64] Tainted: [W]=WARN
[   94.351684][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.351954][   T64] Workqueue: events_unbound linkwatch_event
[   94.352159][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.352367][   T64] 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
[   94.352940][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   94.353138][   T64] RAX: 00000000ffffffa6 RBX: ff11000009a62040 RCX: 1ff400000008af02
[   94.353368][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a620fc
[   94.353596][   T64] RBP: ff1100000e80c000 R08: 1fe220000134c421 R09: ff11000006100ba8
[   94.353832][   T64] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   94.354052][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.354286][   T64] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   94.354543][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.354750][   T64] CR2: 000055d3d5b6bd5c CR3: 0000000004e87006 CR4: 0000000000771ef0
[   94.354973][   T64] PKRU: 55555554
[   94.355181][   T64] Call Trace:
[   94.355321][   T64]  <TASK>
[   94.355431][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.355608][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   94.355788][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.356000][   T64]  netif_state_change (net/core/dev.c:1605)
[   94.356166][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   94.356370][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   94.356540][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   94.356800][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   94.356969][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   94.357136][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   94.357309][   T64]  process_one_work (kernel/workqueue.c:3314)
[   94.357559][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.357740][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.357921][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.358091][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.358342][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   94.358517][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.358701][   T64]  kthread (kernel/kthread.c:436)
[   94.358838][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.359106][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.359272][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.359452][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.359666][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.359835][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.359999][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   94.362290][   T64] ------------[ cut here ]------------
| [   94.362455][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/64
| [   94.362756][   T64] Modules linked in: xfrm_user nf_tables
| [   94.363335][   T64] Tainted: [W]=WARN
[   94.363472][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   94.363689][   T64] Workqueue: events_unbound linkwatch_event
[   94.363889][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   94.364101][   T64] 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
[   94.364582][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[   94.364807][   T64] RAX: 00000000ffffffa6 RBX: ff11000008d7e040 RCX: 1ff400000008af02
[   94.365028][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008d7e0fc
[   94.365249][   T64] RBP: ff1100000fb7c000 R08: 1fe22000011afc21 R09: ff11000006100ba8
[   94.365483][   T64] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   94.365722][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   94.365945][   T64] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   94.366208][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   94.366410][   T64] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   94.366642][   T64] PKRU: 55555554
[   94.366791][   T64] Call Trace:
[   94.366926][   T64]  <TASK>
[   94.367033][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   94.367200][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[   94.367373][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   94.367516][   T64]  netif_state_change (net/core/dev.c:1605)
[   94.367699][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   94.367896][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   94.368061][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   94.368230][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   94.368406][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   94.368580][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   94.368760][   T64]  process_one_work (kernel/workqueue.c:3314)
[   94.368931][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   94.369096][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   94.369266][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   94.369442][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.369615][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   94.369793][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   94.369959][   T64]  kthread (kernel/kthread.c:436)
[   94.370095][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   94.370295][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.370462][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[   94.370638][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   94.370848][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   94.371013][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[   94.371181][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.387662][   T12] ------------[ cut here ]------------
| [   97.387831][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   97.388071][   T12] Modules linked in: xfrm_user nf_tables
| [   97.388475][   T12] Tainted: [W]=WARN
[   97.388570][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.388775][   T12] Workqueue: netns cleanup_net
[   97.388900][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.389057][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.389530][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.389692][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e929c40 RCX: 1ff4000000018eed
[   97.389869][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e929cfc
[   97.390044][   T12] RBP: ff11000012a0c000 R08: 1fe2200001d253a1 R09: ff11000001aed1d0
[   97.390218][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   97.390397][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.390574][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   97.390790][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.390935][   T12] CR2: 00007f4cd72ab888 CR3: 000000004994d003 CR4: 0000000000771ef0
[   97.391110][   T12] PKRU: 55555554
[   97.391197][   T12] Call Trace:
[   97.391290][   T12]  <TASK>
[   97.391353][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.391510][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.391663][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.391781][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.391899][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.392014][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.392134][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.392253][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.392377][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.392492][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.392618][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.392740][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.392854][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.392973][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.393089][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.393207][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.393333][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.393448][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.393573][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.393699][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.393816][   T12]  kthread (kernel/kthread.c:436)
[   97.393904][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.394049][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.394166][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.394294][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.394439][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.394559][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.394680][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.396926][   T12] ------------[ cut here ]------------
| [   97.397045][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   97.397272][   T12] Modules linked in: xfrm_user nf_tables
| [   97.397752][   T12] Tainted: [W]=WARN
[   97.397839][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.397987][   T12] Workqueue: netns cleanup_net
[   97.398115][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.398264][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.398695][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.398850][   T12] RAX: 00000000ffffffa6 RBX: ff1100001243e740 RCX: 1ff4000000018eed
[   97.399021][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243e7fc
[   97.399193][   T12] RBP: ff11000010bd1000 R08: 1fe2200002487d01 R09: ff11000001aed1d0
[   97.399372][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   97.399545][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.399723][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   97.399926][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.400070][   T12] CR2: 00007f4cd72ab888 CR3: 000000004994d003 CR4: 0000000000771ef0
[   97.400243][   T12] PKRU: 55555554
[   97.400334][   T12] Call Trace:
[   97.400418][   T12]  <TASK>
[   97.400480][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.400631][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.400778][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.400896][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.401013][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.401131][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.401248][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.401375][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.401496][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.401704][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.401842][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.401960][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.402076][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.402206][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.402335][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.402455][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.402586][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.402714][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.402834][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.402962][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.403079][   T12]  kthread (kernel/kthread.c:436)
[   97.403168][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.403319][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.403437][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.403563][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.403714][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.403829][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.403944][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.406251][   T12] ------------[ cut here ]------------
| [   97.406418][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.407296][   T12] Modules linked in: xfrm_user nf_tables
| [   97.407800][   T12] Tainted: [W]=WARN
[   97.407936][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.408130][   T12] Workqueue: netns cleanup_net
[   97.408308][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.408511][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.408998][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.409193][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a56580 RCX: 1ff4000000018eed
[   97.409423][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a5663c
[   97.409663][   T12] RBP: ff110000097ec000 R08: 1fe220000134acc9 R09: ff11000001aed1d0
[   97.409882][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.410101][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.410332][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   97.410594][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.410803][   T12] CR2: 00007f9669569574 CR3: 000000004994d003 CR4: 0000000000771ef0
[   97.411029][   T12] PKRU: 55555554
[   97.411163][   T12] Call Trace:
[   97.411308][   T12]  <TASK>
[   97.411417][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.411623][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.411831][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.412003][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.412170][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.412342][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.412511][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.412699][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.412868][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.413046][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.413219][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.413390][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.413564][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.413743][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.413909][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.414078][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.414247][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.414450][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.414626][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.414813][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.414979][   T12]  kthread (kernel/kthread.c:436)
[   97.415117][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.415318][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.415483][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.415668][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.415936][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.416102][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.416378][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.419208][   T12] ------------[ cut here ]------------
| [   97.419443][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.419739][   T12] Modules linked in: xfrm_user nf_tables
| [   97.420302][   T12] Tainted: [W]=WARN
[   97.420438][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.420639][   T12] Workqueue: netns cleanup_net
[   97.420897][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.421101][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.421669][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.421862][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a56900 RCX: 1ff4000000018eed
[   97.422153][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a569bc
[   97.422382][   T12] RBP: ff11000008dd9000 R08: 1fe220000134ad39 R09: ff11000001aed1d0
[   97.422610][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.422844][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.423215][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   97.423475][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.423687][   T12] CR2: 00007f9669569574 CR3: 000000004994d003 CR4: 0000000000771ef0
[   97.423910][   T12] PKRU: 55555554
[   97.424044][   T12] Call Trace:
[   97.424178][   T12]  <TASK>
[   97.424292][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.424494][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.424702][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.424940][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.425106][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.425270][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.425446][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.425621][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.425804][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.426042][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.426211][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.426462][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.426678][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.426844][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.427010][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.427251][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.427460][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.427636][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.427819][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.427991][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.428228][   T12]  kthread (kernel/kthread.c:436)
[   97.428376][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.428582][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.428835][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.429002][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.429195][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.429371][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.429619][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.432587][   T12] ------------[ cut here ]------------
| [   97.432755][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.433104][   T12] Modules linked in: xfrm_user nf_tables
| [   97.433681][   T12] Tainted: [W]=WARN
[   97.433815][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.434008][   T12] Workqueue: netns cleanup_net
[   97.434208][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.434578][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.435052][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.435328][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a56c80 RCX: 1ff4000000018eed
[   97.435564][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a56d3c
[   97.435957][   T12] RBP: ff11000012b19000 R08: 1fe220000134ada9 R09: ff11000001aed1d0
[   97.436178][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.436409][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.436645][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   97.436908][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.437100][   T12] CR2: 00007f9669569574 CR3: 000000004994d003 CR4: 0000000000771ef0
[   97.437330][   T12] PKRU: 55555554
[   97.437538][   T12] Call Trace:
[   97.437687][   T12]  <TASK>
[   97.437798][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.438138][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.438339][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.438582][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.438764][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.439000][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.439166][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.439344][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.439516][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.439700][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.439868][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.440032][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.440193][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.440367][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.440532][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.440715][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.440882][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.441044][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.441211][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.441388][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.441715][   T12]  kthread (kernel/kthread.c:436)
[   97.441853][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.442050][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.442217][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.442387][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.442585][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.442761][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.442995][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.466755][   T12] ------------[ cut here ]------------
| [   97.466927][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.467220][   T12] Modules linked in: xfrm_user nf_tables
| [   97.468221][   T12] Tainted: [W]=WARN
[   97.468668][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.468975][   T12] Workqueue: netns cleanup_net
[   97.469203][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.469471][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.470022][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   97.470313][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ab718c0 RCX: 1ff4000000018eaf
[   97.470598][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ab7197c
[   97.470890][   T12] RBP: ff1100001278c000 R08: 1fe220000156e331 R09: ff11000001aed1d0
[   97.471171][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   97.471462][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fbf4000
[   97.471766][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   97.472074][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.472330][   T12] CR2: 00007f9669569574 CR3: 000000004994d003 CR4: 0000000000771ef0
[   97.472621][   T12] PKRU: 55555554
[   97.472815][   T12] Call Trace:
[   97.473000][   T12]  <TASK>
[   97.473146][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   97.473325][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   97.473471][   T12]  netif_close_many (net/core/dev.c:1804)
[   97.473647][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.473831][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.474003][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.474174][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   97.474355][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   97.474563][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   97.474779][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.474949][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.475148][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.475325][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.475500][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.475723][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   97.475897][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.476069][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.476240][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.476420][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.476601][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.476790][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.476959][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.477133][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.477312][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.477481][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.477671][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.477839][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.478016][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.478193][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.478373][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.478555][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.478742][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.478917][   T12]  kthread (kernel/kthread.c:436)
[   97.479061][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.479263][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.479447][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.479624][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.479838][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.480010][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.480183][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.482953][   T12] ------------[ cut here ]------------
| [   97.483123][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.483416][   T12] Modules linked in: xfrm_user nf_tables
| [   97.484081][   T12] Tainted: [W]=WARN
[   97.484281][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.484548][   T12] Workqueue: netns cleanup_net
[   97.484808][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.485062][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.485632][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   97.485908][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e928200 RCX: 1ff4000000018eaf
[   97.486207][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e9282bc
[   97.486533][   T12] RBP: ff1100000fbf4000 R08: 1fe2200001d25059 R09: ff11000001aed1d0
[   97.486823][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   97.487117][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd2c000
[   97.487352][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   97.487624][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.487838][   T12] CR2: 00007f9669569574 CR3: 000000004994d003 CR4: 0000000000771ef0
[   97.488069][   T12] PKRU: 55555554
[   97.488207][   T12] Call Trace:
[   97.488354][   T12]  <TASK>
[   97.488492][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   97.488687][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   97.488858][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   97.489030][   T12]  netif_close_many (net/core/dev.c:1804)
[   97.489201][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.489380][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.489587][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.489773][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   97.489945][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   97.490150][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   97.490362][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.490537][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.490750][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.490920][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.491091][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.491312][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   97.491519][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.491705][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.491876][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.492047][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.492246][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.492430][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.492611][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.492799][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.492984][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.493165][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.493349][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.493524][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.493706][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.493883][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.494060][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.494233][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.494418][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.494595][   T12]  kthread (kernel/kthread.c:436)
[   97.494747][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.494946][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.495122][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.495299][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.495500][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.495690][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.495890][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.498581][   T12] ------------[ cut here ]------------
| [   97.498811][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.499146][   T12] Modules linked in: xfrm_user nf_tables
| [   97.499780][   T12] Tainted: [W]=WARN
[   97.499967][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.500214][   T12] Workqueue: netns cleanup_net
[   97.500444][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.500718][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.501253][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   97.501515][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c52b540 RCX: 1ff4000000018eaf
[   97.501807][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c52b5fc
[   97.502087][   T12] RBP: ff1100000fd2c000 R08: 1fe22000018a56c1 R09: ff11000001aed1d0
[   97.502367][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   97.502668][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   97.502948][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   97.503260][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.503524][   T12] CR2: 00007f9669569574 CR3: 000000004994d003 CR4: 0000000000771ef0
[   97.503813][   T12] PKRU: 55555554
[   97.503999][   T12] Call Trace:
[   97.504185][   T12]  <TASK>
[   97.504350][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   97.504574][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   97.504808][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   97.504999][   T12]  netif_close_many (net/core/dev.c:1804)
[   97.505218][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.505439][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.505677][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.505895][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   97.506114][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   97.506372][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   97.506637][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.506871][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.507237][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.507546][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.507802][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.508134][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   97.508312][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.508490][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.508681][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.508852][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.509024][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.509196][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.509374][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.509556][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.509745][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.509916][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.510087][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.510257][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.510439][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.510622][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.510805][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.510980][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.511159][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.511337][   T12]  kthread (kernel/kthread.c:436)
[   97.511477][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.511692][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.511863][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.512032][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.512231][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.512412][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.512591][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.515227][   T12] ------------[ cut here ]------------
| [   97.515402][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.516141][   T12] Modules linked in: xfrm_user nf_tables
| [   97.516751][   T12] Tainted: [W]=WARN
[   97.516942][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.517185][   T12] Workqueue: netns cleanup_net
[   97.517412][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.517682][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.518197][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   97.518450][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1ae740 RCX: 1ff4000000018ed5
[   97.518738][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1ae7fc
[   97.519009][   T12] RBP: ff1100001278c000 R08: 1fe2200001e35d01 R09: ff11000001aed1d0
[   97.519277][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.519561][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.519845][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   97.520143][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.520392][   T12] CR2: 00007f9669569574 CR3: 000000004994d003 CR4: 0000000000771ef0
[   97.520686][   T12] PKRU: 55555554
[   97.520867][   T12] Call Trace:
[   97.521045][   T12]  <TASK>
[   97.521200][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.521459][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.521719][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.521936][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.522146][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.522400][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.522626][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.522852][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.523154][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.523398][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.523686][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.523925][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.524141][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.524376][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.524594][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.524822][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.525033][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.525246][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.525470][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.525703][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.525924][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.526143][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.526364][   T12]  kthread (kernel/kthread.c:436)
[   97.526557][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.526809][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.527053][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.527265][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.527527][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.527750][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.527963][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.538063][   T12] ------------[ cut here ]------------
| [   97.538228][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.538528][   T12] Modules linked in: xfrm_user nf_tables
| [   97.539029][   T12] Tainted: [W]=WARN
[   97.539166][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.539370][   T12] Workqueue: netns cleanup_net
[   97.539547][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.539819][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.540413][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   97.540724][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f1af380 RCX: 1ff4000000018ed5
[   97.541049][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1af43c
[   97.541370][   T12] RBP: ff1100000fbf4000 R08: 1fe2200001e35e89 R09: ff11000001aed1d0
[   97.541707][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.542021][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.542352][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   97.542732][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.542954][   T12] CR2: 00007f9669569574 CR3: 000000004994d003 CR4: 0000000000771ef0
[   97.543177][   T12] PKRU: 55555554
[   97.543321][   T12] Call Trace:
[   97.543457][   T12]  <TASK>
[   97.543573][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.543791][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.543986][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.544154][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.544328][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.544532][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.544714][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.544883][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.545054][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.545222][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.545405][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.545580][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.545763][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.545932][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.546098][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.546267][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.546445][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.546624][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.546809][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.546976][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.547148][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.547326][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.547494][   T12]  kthread (kernel/kthread.c:436)
[   97.547642][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.547853][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.548024][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.548192][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.548395][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.548574][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.548756][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.551603][   T12] ------------[ cut here ]------------
| [   97.551773][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.552050][   T12] Modules linked in: xfrm_user nf_tables
| [   97.552556][   T12] Tainted: [W]=WARN
[   97.552745][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.552993][   T12] Workqueue: netns cleanup_net
[   97.553182][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.553393][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.553877][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   97.554077][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e929700 RCX: 1ff4000000018ed5
[   97.554338][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e9297bc
[   97.554588][   T12] RBP: ff1100000fd2c000 R08: 1fe2200001d252f9 R09: ff11000001aed1d0
[   97.554824][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.555043][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.555270][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   97.555541][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.555760][   T12] CR2: 00007f9669569574 CR3: 000000004994d003 CR4: 0000000000771ef0
[   97.555985][   T12] PKRU: 55555554
[   97.556122][   T12] Call Trace:
[   97.556257][   T12]  <TASK>
[   97.556400][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.556611][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.556821][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.556997][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.557167][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.557376][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.557550][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.557732][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.557899][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.558066][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.558234][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.558407][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.558583][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.558763][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.558927][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.559096][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.559261][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.559438][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.559614][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.559795][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.559970][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.560146][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.560318][   T12]  kthread (kernel/kthread.c:436)
[   97.560458][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.560673][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.560841][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.561008][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.561204][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.561411][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.561587][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.595084][   T12] ------------[ cut here ]------------
| [   97.595280][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.595572][   T12] Modules linked in: xfrm_user nf_tables
| [   97.596067][   T12] Tainted: [W]=WARN
[   97.596204][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.596407][   T12] Workqueue: netns cleanup_net
[   97.596584][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.596793][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.597260][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.597463][   T12] RAX: 00000000ffffffa6 RBX: ff110000154beac0 RCX: 1ff4000000018eed
[   97.597701][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000154beb7c
[   97.597922][   T12] RBP: ff1100000901c000 R08: 1fe2200002a97d71 R09: ff11000001aed1d0
[   97.598139][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.598368][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.598595][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   97.598856][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.599047][   T12] CR2: 00007f9669569574 CR3: 000000004994d003 CR4: 0000000000771ef0
[   97.599271][   T12] PKRU: 55555554
[   97.599412][   T12] Call Trace:
[   97.599551][   T12]  <TASK>
[   97.599674][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.599872][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.600063][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.600228][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.600404][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.600579][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.600758][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.600926][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.601094][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.601256][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.601429][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.601603][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.601779][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.601947][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.602112][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.602278][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.602456][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.602626][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.602809][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.602978][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.603146][   T12]  kthread (kernel/kthread.c:436)
[   97.603281][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.603480][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.603663][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.603829][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.604021][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.604185][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.604362][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.607005][   T12] ------------[ cut here ]------------
| [   97.607167][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.607454][   T12] Modules linked in: xfrm_user nf_tables
| [   97.608409][   T12] Tainted: [W]=WARN
[   97.608599][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.608826][   T12] Workqueue: netns cleanup_net
[   97.608993][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.609191][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.609676][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.609874][   T12] RAX: 00000000ffffffa6 RBX: ff110000154bf1c0 RCX: 1ff4000000018eed
[   97.610093][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000154bf27c
[   97.610318][   T12] RBP: ff11000009701000 R08: 1fe2200002a97e51 R09: ff11000001aed1d0
[   97.610554][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.610788][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.611012][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   97.611264][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.611469][   T12] CR2: 00007f9669569574 CR3: 000000004994d003 CR4: 0000000000771ef0
[   97.611711][   T12] PKRU: 55555554
[   97.611852][   T12] Call Trace:
[   97.611985][   T12]  <TASK>
[   97.612094][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.612299][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.612490][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.612704][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.612869][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.613033][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.613202][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.613377][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.613550][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.613727][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.613893][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.614058][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.614221][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.614398][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.614573][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.614757][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.614928][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.615093][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.615261][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.615438][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.615611][   T12]  kthread (kernel/kthread.c:436)
[   97.615759][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.615951][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.616117][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.616289][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.616486][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.616668][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.616833][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.619430][   T12] ------------[ cut here ]------------
| [   97.619595][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   97.620301][   T12] Modules linked in: xfrm_user nf_tables
| [   97.620897][   T12] Tainted: [W]=WARN
[   97.621074][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.621321][   T12] Workqueue: netns cleanup_net
[   97.621544][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.621801][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.622311][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.622560][   T12] RAX: 00000000ffffffa6 RBX: ff110000154bf8c0 RCX: 1ff4000000018eed
[   97.622834][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000154bf97c
[   97.623094][   T12] RBP: ff1100000e46c000 R08: 1fe2200002a97f31 R09: ff11000001aed1d0
[   97.623362][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   97.623635][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.623915][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   97.624207][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.624450][   T12] CR2: 00007f9669569574 CR3: 000000004994d003 CR4: 0000000000771ef0
[   97.624734][   T12] PKRU: 55555554
[   97.624912][   T12] Call Trace:
[   97.625087][   T12]  <TASK>
[   97.625237][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.625529][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.625783][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.625993][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.626206][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.626424][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.626645][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.626960][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.627171][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.627388][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.627609][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.627838][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.628045][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.628253][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.628477][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.628748][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.629006][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.629213][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.629436][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.629671][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.629877][   T12]  kthread (kernel/kthread.c:436)
[   97.630056][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.630300][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.630512][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.630735][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.630975][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.631181][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.631398][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.634187][   T12] ------------[ cut here ]------------
| [   97.634323][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   97.634556][   T12] Modules linked in: xfrm_user nf_tables
| [   97.634953][   T12] Tainted: [W]=WARN
[   97.635042][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.635187][   T12] Workqueue: netns cleanup_net
[   97.635313][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.635474][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.635898][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.636044][   T12] RAX: 00000000ffffffa6 RBX: ff110000154bfc40 RCX: 1ff4000000018eed
[   97.636217][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000154bfcfc
[   97.636394][   T12] RBP: ff11000008bd9000 R08: 1fe2200002a97fa1 R09: ff11000001aed1d0
[   97.636570][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   97.636754][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.636934][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   97.637137][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.637292][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000e4bb005 CR4: 0000000000771ef0
[   97.637472][   T12] PKRU: 55555554
[   97.637567][   T12] Call Trace:
[   97.637660][   T12]  <TASK>
[   97.637726][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.637874][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.638020][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.638137][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.638253][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.638375][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.638491][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.638612][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.638737][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.638854][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.638974][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.639093][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.639211][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.639342][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.639458][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.639583][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.639754][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.639869][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.639990][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.640111][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.640228][   T12]  kthread (kernel/kthread.c:436)
[   97.640321][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.640465][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.640584][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.640747][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.640891][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.641008][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.641126][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.643294][   T12] ------------[ cut here ]------------
| [   97.643411][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   97.643646][   T12] Modules linked in: xfrm_user nf_tables
| [   97.644035][   T12] Tainted: [W]=WARN
[   97.644123][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.644273][   T12] Workqueue: netns cleanup_net
[   97.644399][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.644558][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.644997][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.645144][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d68fe00 RCX: 1ff4000000018eed
[   97.645320][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68febc
[   97.645494][   T12] RBP: ff11000009831000 R08: 1fe2200001ad1fd9 R09: ff11000001aed1d0
[   97.645679][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   97.645851][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.646025][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   97.646229][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.646380][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000e4bb005 CR4: 0000000000771ef0
[   97.646558][   T12] PKRU: 55555554
[   97.646645][   T12] Call Trace:
[   97.646737][   T12]  <TASK>
[   97.646797][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.646945][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.647093][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.647211][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.647334][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.647450][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.647574][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.647698][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.647821][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.647938][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.648059][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.648176][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.648294][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.648412][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.648531][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.648649][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.648774][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.648891][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.649012][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.649132][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.649248][   T12]  kthread (kernel/kthread.c:436)
[   97.649341][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.649486][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.649607][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.649729][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.649875][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.649990][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.650106][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.661700][   T12] ------------[ cut here ]------------
| [   97.661833][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   97.662082][   T12] Modules linked in: xfrm_user nf_tables
| [   97.662492][   T12] Tainted: [W]=WARN
[   97.662587][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.663114][   T12] Workqueue: netns cleanup_net
[   97.663242][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.663406][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.663851][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   97.664004][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d68e200 RCX: 1ff4000000018eaf
[   97.664185][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68e2bc
[   97.664375][   T12] RBP: ff11000012b24000 R08: 1fe2200001ad1c59 R09: ff11000001aed1d0
[   97.664559][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   97.664744][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a244000
[   97.664927][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   97.665143][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.665299][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   97.665484][   T12] PKRU: 55555554
[   97.665577][   T12] Call Trace:
[   97.665673][   T12]  <TASK>
[   97.665737][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   97.665860][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   97.665954][   T12]  netif_close_many (net/core/dev.c:1804)
[   97.666076][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.666197][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.666323][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.666445][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   97.666571][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   97.666727][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   97.666880][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.667003][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.667152][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.667274][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.667401][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.667559][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   97.667688][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.667811][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.667936][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.668058][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.668180][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.668310][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.668432][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.668559][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.668688][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.668809][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.668933][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.669053][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.669175][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.669307][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.669428][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.669558][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.669689][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.669811][   T12]  kthread (kernel/kthread.c:436)
[   97.669907][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.670059][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.670180][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.670306][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.670466][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.670591][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.670721][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.673005][   T12] ------------[ cut here ]------------
| [   97.673127][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   97.673371][   T12] Modules linked in: xfrm_user nf_tables
| [   97.674240][   T12] Tainted: [W]=WARN
[   97.674340][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.674492][   T12] Workqueue: netns cleanup_net
[   97.674624][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.674834][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.675267][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   97.675425][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d68fa80 RCX: 1ff4000000018eaf
[   97.675611][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68fb3c
[   97.675843][   T12] RBP: ff1100000a244000 R08: 1fe2200001ad1f69 R09: ff11000001aed1d0
[   97.676024][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   97.676204][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f0d1000
[   97.676445][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   97.676710][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.676864][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   97.677045][   T12] PKRU: 55555554
[   97.677136][   T12] Call Trace:
[   97.677226][   T12]  <TASK>
[   97.677297][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   97.677419][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   97.677544][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   97.677637][   T12]  netif_close_many (net/core/dev.c:1804)
[   97.677810][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.677933][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.678055][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.678190][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   97.678317][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   97.678471][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   97.678627][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.678798][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.678950][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.679071][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.679192][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.679353][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   97.679478][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.679603][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.679787][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.679911][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.680037][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.680163][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.680292][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.680417][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.680543][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.680718][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.680842][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.680964][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.681088][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.681215][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.681344][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.681472][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.681601][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.681792][   T12]  kthread (kernel/kthread.c:436)
[   97.681884][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.682038][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.682161][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.682290][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.682443][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.682569][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.682742][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.685576][   T12] ------------[ cut here ]------------
| [   97.685723][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   97.685965][   T12] Modules linked in: xfrm_user nf_tables
| [   97.686375][   T12] Tainted: [W]=WARN
[   97.686467][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.686621][   T12] Workqueue: netns cleanup_net
[   97.686755][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.686911][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.687351][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   97.687508][   T12] RAX: 00000000ffffffa6 RBX: ff11000012ab6c80 RCX: 1ff4000000018eaf
[   97.687696][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012ab6d3c
[   97.687876][   T12] RBP: ff1100000f0d1000 R08: 1fe2200002556da9 R09: ff11000001aed1d0
[   97.688066][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   97.688247][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   97.688434][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   97.688657][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.688813][   T12] CR2: 00007f4cd72de680 CR3: 000000004994d004 CR4: 0000000000771ef0
[   97.688995][   T12] PKRU: 55555554
[   97.689089][   T12] Call Trace:
[   97.689181][   T12]  <TASK>
[   97.689244][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   97.689372][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   97.689504][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   97.689599][   T12]  netif_close_many (net/core/dev.c:1804)
[   97.689728][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.689849][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.689969][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.690090][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   97.690211][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   97.690368][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   97.690521][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.690644][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.690799][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.690924][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.691052][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.691204][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   97.691330][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.691452][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.691578][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.691744][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.691867][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.691989][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.692109][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.692233][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.692357][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.692478][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.692604][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.692731][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.692856][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.692980][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.693101][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.693228][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.693360][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.693484][   T12]  kthread (kernel/kthread.c:436)
[   97.693579][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.693736][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.693856][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.693979][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.694130][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.694252][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.694381][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.697076][   T12] ------------[ cut here ]------------
| [   97.697205][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   97.697444][   T12] Modules linked in: xfrm_user nf_tables
| [   97.698556][   T12] Tainted: [W]=WARN
[   97.698741][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.698890][   T12] Workqueue: netns cleanup_net
[   97.699013][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.699165][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.699588][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   97.699825][   T12] RAX: 00000000ffffffa6 RBX: ff11000012ab7e00 RCX: 1ff4000000018ed5
[   97.699999][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012ab7ebc
[   97.700172][   T12] RBP: ff11000012b24000 R08: 1fe2200002556fd9 R09: ff11000001aed1d0
[   97.700350][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   97.700526][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.700796][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   97.700999][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.701146][   T12] CR2: 000055d3d5b6bd5c CR3: 0000000009bbb003 CR4: 0000000000771ef0
[   97.701328][   T12] PKRU: 55555554
[   97.701416][   T12] Call Trace:
[   97.701507][   T12]  <TASK>
[   97.701569][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.701808][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.701952][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.702069][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.702186][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.702343][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.702466][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.702588][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.702793][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.702910][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.703028][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.703145][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.703264][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.703389][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.703510][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.703627][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.703807][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.703926][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.704047][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.704164][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.704295][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.704418][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.704539][   T12]  kthread (kernel/kthread.c:436)
[   97.704628][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.704918][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.705035][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.705153][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.705306][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.705423][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.705543][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.708207][   T12] ------------[ cut here ]------------
| [   97.708350][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   97.708592][   T12] Modules linked in: xfrm_user nf_tables
| [   97.708994][   T12] Tainted: [W]=WARN
[   97.709085][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.709235][   T12] Workqueue: netns cleanup_net
[   97.709364][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.709518][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.709946][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   97.710097][   T12] RAX: 00000000ffffffa6 RBX: ff1100001010eac0 RCX: 1ff4000000018ed5
[   97.710276][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001010eb7c
[   97.710461][   T12] RBP: ff1100000a244000 R08: 1fe2200002021d71 R09: ff11000001aed1d0
[   97.710642][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   97.710830][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.711009][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   97.711214][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.711367][   T12] CR2: 00007ffe3bb9f718 CR3: 000000000e4bb006 CR4: 0000000000771ef0
[   97.711558][   T12] PKRU: 55555554
[   97.711647][   T12] Call Trace:
[   97.711744][   T12]  <TASK>
[   97.711806][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.711962][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.712124][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.712252][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.712378][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.712533][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.712660][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.712778][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.712896][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.713016][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.713138][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.713256][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.713383][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.713501][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.713621][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.713746][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.713864][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.713983][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.714104][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.714221][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.714351][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.714475][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.714596][   T12]  kthread (kernel/kthread.c:436)
[   97.714698][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.714846][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.714964][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.715083][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.715229][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.715353][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.715472][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.718132][   T12] ------------[ cut here ]------------
| [   97.718252][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   97.718490][   T12] Modules linked in: xfrm_user nf_tables
| [   97.718894][   T12] Tainted: [W]=WARN
[   97.718984][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.719137][   T12] Workqueue: netns cleanup_net
[   97.719261][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.719427][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.719864][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   97.720012][   T12] RAX: 00000000ffffffa6 RBX: ff1100001010f700 RCX: 1ff4000000018ed5
[   97.720190][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001010f7bc
[   97.720370][   T12] RBP: ff1100000f0d1000 R08: 1fe2200002021ef9 R09: ff11000001aed1d0
[   97.720553][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   97.720741][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.720920][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   97.721127][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.721276][   T12] CR2: 00007ffe3bb9f718 CR3: 000000000e4bb006 CR4: 0000000000771ef0
[   97.721462][   T12] PKRU: 55555554
[   97.721555][   T12] Call Trace:
[   97.721643][   T12]  <TASK>
[   97.721716][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.721870][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.722018][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.722139][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.722263][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.722418][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.722541][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.722667][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.722787][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.722907][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.723028][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.723146][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.723268][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.723393][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.723514][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.723638][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.723762][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.723884][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.724008][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.724127][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.724251][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.724381][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.724502][   T12]  kthread (kernel/kthread.c:436)
[   97.724595][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.724747][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.724867][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.725004][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.725156][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.725275][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.725400][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.754828][   T12] ------------[ cut here ]------------
| [   97.754958][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   97.755190][   T12] Modules linked in: xfrm_user nf_tables
| [   97.755596][   T12] Tainted: [W]=WARN
[   97.755694][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.755845][   T12] Workqueue: netns cleanup_net
[   97.755966][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.756118][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.756543][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.756704][   T12] RAX: 00000000ffffffa6 RBX: ff11000013401700 RCX: 1ff4000000018eed
[   97.756877][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000134017bc
[   97.757054][   T12] RBP: ff110000125bc000 R08: 1fe22000026802f9 R09: ff11000001aed1d0
[   97.757228][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   97.757405][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.757583][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   97.757793][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.757939][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d005 CR4: 0000000000771ef0
[   97.758112][   T12] PKRU: 55555554
[   97.758199][   T12] Call Trace:
[   97.758292][   T12]  <TASK>
[   97.758353][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.758505][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.758649][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.758773][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.758890][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.759006][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.759123][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.759240][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.759362][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.759478][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.759598][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.759722][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.759838][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.759955][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.760072][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.760189][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.760318][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.760434][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.760558][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.760685][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.760799][   T12]  kthread (kernel/kthread.c:436)
[   97.760887][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.761032][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.761147][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.761264][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.761414][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.761535][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.761657][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.772605][   T12] ------------[ cut here ]------------
| [   97.772781][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   97.773008][   T12] Modules linked in: xfrm_user nf_tables
| [   97.773398][   T12] Tainted: [W]=WARN
[   97.773486][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.773636][   T12] Workqueue: netns cleanup_net
[   97.773763][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.773912][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.774335][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.774483][   T12] RAX: 00000000ffffffa6 RBX: ff11000013401e00 RCX: 1ff4000000018eed
[   97.774663][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013401ebc
[   97.774835][   T12] RBP: ff11000012411000 R08: 1fe22000026803d9 R09: ff11000001aed1d0
[   97.775007][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   97.775180][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.775354][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   97.775568][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.775720][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d005 CR4: 0000000000771ef0
[   97.775898][   T12] PKRU: 55555554
[   97.775986][   T12] Call Trace:
[   97.776071][   T12]  <TASK>
[   97.776131][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.776279][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.776427][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.776545][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.776667][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.776783][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.776902][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.777019][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.777141][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.777256][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.777380][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.777495][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.777614][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.777737][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.777852][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.777969][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.778091][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.778206][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.778330][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.778452][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.778570][   T12]  kthread (kernel/kthread.c:436)
[   97.778664][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.778808][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.778927][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.779043][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.779187][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.779308][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.779425][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.781584][   T12] ------------[ cut here ]------------
| [   97.781710][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   97.781936][   T12] Modules linked in: xfrm_user nf_tables
| [   97.782322][   T12] Tainted: [W]=WARN
[   97.782409][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.782557][   T12] Workqueue: netns cleanup_net
[   97.782683][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.782834][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.783242][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.783397][   T12] RAX: 00000000ffffffa6 RBX: ff11000012120900 RCX: 1ff4000000018eed
[   97.783572][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121209bc
[   97.783749][   T12] RBP: ff11000013034000 R08: 1fe2200002424139 R09: ff11000001aed1d0
[   97.783921][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   97.784093][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.784266][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   97.784473][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.784620][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d005 CR4: 0000000000771ef0
[   97.784799][   T12] PKRU: 55555554
[   97.784885][   T12] Call Trace:
[   97.784971][   T12]  <TASK>
[   97.785031][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.785180][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.785328][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.785444][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.785574][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.785693][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.785810][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.785929][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.786048][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.786162][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.786280][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.786401][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.786516][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.786634][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.786754][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.786871][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.786992][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.787110][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.787230][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.787354][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.787489][   T12]  kthread (kernel/kthread.c:436)
[   97.787582][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.787732][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.787848][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.787963][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.788106][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.788221][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.788346][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.790349][   T12] ------------[ cut here ]------------
| [   97.790464][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   97.790718][   T12] Modules linked in: xfrm_user nf_tables
| [   97.791102][   T12] Tainted: [W]=WARN
[   97.791189][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.791338][   T12] Workqueue: netns cleanup_net
[   97.791457][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.791621][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.792046][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.792196][   T12] RAX: 00000000ffffffa6 RBX: ff11000012a39380 RCX: 1ff4000000018eed
[   97.792377][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012a3943c
[   97.792554][   T12] RBP: ff11000012b1c000 R08: 1fe2200002547289 R09: ff11000001aed1d0
[   97.792730][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   97.792903][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.793076][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   97.793281][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.793434][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d005 CR4: 0000000000771ef0
[   97.793611][   T12] PKRU: 55555554
[   97.793702][   T12] Call Trace:
[   97.793788][   T12]  <TASK>
[   97.793851][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.794001][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.794145][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.794262][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.794383][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.794500][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.794618][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.794741][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.794859][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.794974][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.795094][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.795210][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.795332][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.795450][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.795572][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.795694][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.795812][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.795928][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.796051][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.796171][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.796291][   T12]  kthread (kernel/kthread.c:436)
[   97.796379][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.796536][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.796657][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.796774][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.796924][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.797040][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.797156][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.799113][   T12] ------------[ cut here ]------------
| [   97.799227][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   97.799455][   T12] Modules linked in: xfrm_user nf_tables
| [   97.799843][   T12] Tainted: [W]=WARN
[   97.799932][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.800078][   T12] Workqueue: netns cleanup_net
[   97.800197][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.800354][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.800784][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.800933][   T12] RAX: 00000000ffffffa6 RBX: ff11000012a38740 RCX: 1ff4000000018eed
[   97.801105][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012a387fc
[   97.801280][   T12] RBP: ff1100000fbf1000 R08: 1fe2200002547101 R09: ff11000001aed1d0
[   97.801458][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   97.801635][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.801820][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   97.802022][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.802165][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d005 CR4: 0000000000771ef0
[   97.802345][   T12] PKRU: 55555554
[   97.802432][   T12] Call Trace:
[   97.802519][   T12]  <TASK>
[   97.802581][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.802736][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.802881][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.802997][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.803114][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.803229][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.803351][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.803469][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.803592][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.803713][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.803831][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.803946][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.804062][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.804180][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.804300][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.804417][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.804540][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.804661][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.804781][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.804906][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.805024][   T12]  kthread (kernel/kthread.c:436)
[   97.805111][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.805257][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.805378][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.805495][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.805643][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.805764][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.805883][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.829925][   T12] ------------[ cut here ]------------
| [   97.830056][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   97.830306][   T12] Modules linked in: xfrm_user nf_tables
| [   97.830732][   T12] Tainted: [W]=WARN
[   97.830828][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.830982][   T12] Workqueue: netns cleanup_net
[   97.831111][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.831268][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.831722][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   97.831883][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246e040 RCX: 1ff4000000018eaf
[   97.832066][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e0fc
[   97.832252][   T12] RBP: ff11000010bd4000 R08: 1fe220000248dc21 R09: ff11000001aed1d0
[   97.832444][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   97.832631][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008bf1000
[   97.832820][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   97.833035][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.833189][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d005 CR4: 0000000000771ef0
[   97.833381][   T12] PKRU: 55555554
[   97.833472][   T12] Call Trace:
[   97.833567][   T12]  <TASK>
[   97.833631][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   97.833760][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   97.833857][   T12]  netif_close_many (net/core/dev.c:1804)
[   97.833980][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.834101][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.834224][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.834352][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   97.834476][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   97.834632][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   97.834794][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.834917][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.835069][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.835193][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.835321][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.835473][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   97.835602][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.835731][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.835854][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.835982][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.836108][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.836231][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.836355][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.836486][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.836613][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.836741][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.836864][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.836987][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.837112][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.837238][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.837366][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.837497][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.837628][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.837762][   T12]  kthread (kernel/kthread.c:436)
[   97.837854][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.838011][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.838135][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.838258][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.838416][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.838542][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.838669][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.840942][   T12] ------------[ cut here ]------------
| [   97.841066][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   97.841311][   T12] Modules linked in: xfrm_user nf_tables
| [   97.841729][   T12] Tainted: [W]=WARN
[   97.841821][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.841979][   T12] Workqueue: netns cleanup_net
[   97.842108][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.842268][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.842721][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   97.842881][   T12] RAX: 00000000ffffffa6 RBX: ff110000058e7000 RCX: 1ff4000000018eaf
[   97.843067][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000058e70bc
[   97.843252][   T12] RBP: ff11000008bf1000 R08: 1fe2200000b1ce19 R09: ff11000001aed1d0
[   97.843449][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   97.843635][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009741000
[   97.843827][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   97.844043][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.844197][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d005 CR4: 0000000000771ef0
[   97.844387][   T12] PKRU: 55555554
[   97.844479][   T12] Call Trace:
[   97.844574][   T12]  <TASK>
[   97.844637][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   97.844767][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   97.844894][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   97.844989][   T12]  netif_close_many (net/core/dev.c:1804)
[   97.845113][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.845237][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.845367][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.845490][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   97.845617][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   97.845784][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   97.845939][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.846063][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.846215][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.846342][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.846465][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.846624][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   97.846758][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.846883][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.847008][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.847131][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.847256][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.847386][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.847512][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.847641][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.848191][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.848319][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.848443][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.848568][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.848697][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.848824][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.848946][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.849075][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.849202][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.849329][   T12]  kthread (kernel/kthread.c:436)
[   97.849423][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.849578][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.849708][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.849831][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.849986][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.850108][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.850231][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.852450][   T12] ------------[ cut here ]------------
| [   97.852576][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   97.852822][   T12] Modules linked in: xfrm_user nf_tables
| [   97.853225][   T12] Tainted: [W]=WARN
[   97.853325][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.853478][   T12] Workqueue: netns cleanup_net
[   97.853610][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.853774][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.854222][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   97.854384][   T12] RAX: 00000000ffffffa6 RBX: ff110000095c2740 RCX: 1ff4000000018eaf
[   97.854570][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095c27fc
[   97.854759][   T12] RBP: ff11000009741000 R08: 1fe22000012b8501 R09: ff11000001aed1d0
[   97.854941][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   97.855125][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   97.855313][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   97.855536][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.855695][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d005 CR4: 0000000000771ef0
[   97.855881][   T12] PKRU: 55555554
[   97.855972][   T12] Call Trace:
[   97.856062][   T12]  <TASK>
[   97.856126][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   97.856250][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   97.856378][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   97.856472][   T12]  netif_close_many (net/core/dev.c:1804)
[   97.856606][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.856735][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.856857][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.856980][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   97.857104][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   97.857257][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   97.857415][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.857541][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.857696][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.857820][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.857943][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.858096][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   97.858221][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.858351][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.858477][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.858604][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.858736][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.858861][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.858982][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.859107][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.859230][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.859355][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.859479][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.859604][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.859746][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.859874][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.859995][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.860123][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.860252][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.860381][   T12]  kthread (kernel/kthread.c:436)
[   97.860472][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.860630][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.860759][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.860883][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.861035][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.861158][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.861288][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.863456][   T12] ------------[ cut here ]------------
| [   97.863583][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   97.864240][   T12] Modules linked in: xfrm_user nf_tables
| [   97.864643][   T12] Tainted: [W]=WARN
[   97.865082][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.865230][   T12] Workqueue: netns cleanup_net
[   97.865356][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.865514][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.865987][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   97.866136][   T12] RAX: 00000000ffffffa6 RBX: ff110000095c38c0 RCX: 1ff4000000018ed5
[   97.866327][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000095c397c
[   97.866512][   T12] RBP: ff11000010bd4000 R08: 1fe22000012b8731 R09: ff11000001aed1d0
[   97.866744][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   97.866918][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.867097][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   97.867308][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.867456][   T12] CR2: 00007ffe3bb9f718 CR3: 000000004994d005 CR4: 0000000000771ef0
[   97.867636][   T12] PKRU: 55555554
[   97.867770][   T12] Call Trace:
[   97.867885][   T12]  <TASK>
[   97.867950][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.868105][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.868252][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.868376][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.868493][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.868647][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.868822][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.868941][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.869062][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.869182][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.869312][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.869430][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.869561][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.869728][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.869845][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.869968][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.870093][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.870213][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.870342][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.870460][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.870588][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.870761][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.870878][   T12]  kthread (kernel/kthread.c:436)
[   97.870973][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.871119][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.871238][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.871362][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.871513][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.871636][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.871816][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.875158][   T12] ------------[ cut here ]------------
| [   97.875303][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   97.875543][   T12] Modules linked in: xfrm_user nf_tables
| [   97.875950][   T12] Tainted: [W]=WARN
[   97.876040][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.876188][   T12] Workqueue: netns cleanup_net
[   97.876318][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.876472][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.876907][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   97.877055][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ba2c580 RCX: 1ff4000000018ed5
[   97.877233][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba2c63c
[   97.877415][   T12] RBP: ff11000008bf1000 R08: 1fe22000017458c9 R09: ff11000001aed1d0
[   97.877598][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   97.877778][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.877955][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   97.878164][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.878317][   T12] CR2: 000055d401a11b98 CR3: 000000004994d005 CR4: 0000000000771ef0
[   97.878493][   T12] PKRU: 55555554
[   97.878585][   T12] Call Trace:
[   97.878679][   T12]  <TASK>
[   97.878743][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.878892][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.879036][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.879154][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.879271][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.879426][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.879547][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.879674][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.879793][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.879913][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.880031][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.880149][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.880268][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.880392][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.880512][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.880635][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.880760][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.880883][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.881005][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.881127][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.881254][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.881382][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.881503][   T12]  kthread (kernel/kthread.c:436)
[   97.881593][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.881745][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.881863][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.881981][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.882128][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.882246][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.882371][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.884745][   T12] ------------[ cut here ]------------
| [   97.884862][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   97.885094][   T12] Modules linked in: xfrm_user nf_tables
| [   97.885485][   T12] Tainted: [W]=WARN
[   97.885576][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.885928][   T12] Workqueue: netns cleanup_net
[   97.886049][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.886203][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.886628][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   97.886783][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ba2d1c0 RCX: 1ff4000000018ed5
[   97.886964][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ba2d27c
[   97.887138][   T12] RBP: ff11000009741000 R08: 1fe2200001745a51 R09: ff11000001aed1d0
[   97.887317][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   97.887492][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.887679][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   97.887883][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.888028][   T12] CR2: 000055d401a11b98 CR3: 000000004994d005 CR4: 0000000000771ef0
[   97.888207][   T12] PKRU: 55555554
[   97.888297][   T12] Call Trace:
[   97.888384][   T12]  <TASK>
[   97.888445][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.888600][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.888749][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.888867][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.888983][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   97.889136][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   97.889255][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   97.889377][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   97.889495][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   97.889617][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   97.889741][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.889858][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.889978][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.890095][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.890211][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.890340][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.890456][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.890581][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.890707][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.890837][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.890961][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.891082][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.891200][   T12]  kthread (kernel/kthread.c:436)
[   97.891295][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.891441][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.891562][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.891684][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.891835][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.891952][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.892069][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.933325][   T12] ------------[ cut here ]------------
| [   97.933539][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   97.933842][   T12] Modules linked in: xfrm_user nf_tables
| [   97.934229][   T12] Tainted: [W]=WARN
[   97.934327][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.934474][   T12] Workqueue: netns cleanup_net
[   97.934604][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.934769][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.935189][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.935347][   T12] RAX: 00000000ffffffa6 RBX: ff11000012ff2ac0 RCX: 1ff4000000018eed
[   97.935524][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012ff2b7c
[   97.935708][   T12] RBP: ff1100000cce4000 R08: 1fe22000025fe571 R09: ff11000001aed1d0
[   97.935879][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   97.936049][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.936226][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   97.936436][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.936584][   T12] CR2: 000055d401a11b98 CR3: 000000004994d005 CR4: 0000000000771ef0
[   97.936765][   T12] PKRU: 55555554
[   97.936852][   T12] Call Trace:
[   97.936938][   T12]  <TASK>
[   97.937000][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.937150][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.937298][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.937419][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.937539][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.937662][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.937778][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.937895][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.938013][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.938127][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.938249][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.938372][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.938487][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.938608][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.938728][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.938847][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.938970][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.939092][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.939216][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.939341][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.939457][   T12]  kthread (kernel/kthread.c:436)
[   97.939547][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.939693][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.939810][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.939927][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.940071][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.940186][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.940310][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.943403][   T12] ------------[ cut here ]------------
| [   97.943551][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   97.943793][   T12] Modules linked in: xfrm_user nf_tables
| [   97.944183][   T12] Tainted: [W]=WARN
[   97.944270][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.944425][   T12] Workqueue: netns cleanup_net
[   97.944549][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.944707][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.945116][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.945268][   T12] RAX: 00000000ffffffa6 RBX: ff11000012ff31c0 RCX: 1ff4000000018eed
[   97.945446][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012ff327c
[   97.945622][   T12] RBP: ff11000009804000 R08: 1fe22000025fe651 R09: ff11000001aed1d0
[   97.945800][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   97.945973][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.946146][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   97.946353][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.946499][   T12] CR2: 000055d401a11b98 CR3: 000000004994d005 CR4: 0000000000771ef0
[   97.946791][   T12] PKRU: 55555554
[   97.946934][   T12] Call Trace:
[   97.947022][   T12]  <TASK>
[   97.947083][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.947232][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.947380][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.947496][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.947617][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.947815][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.947933][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.948050][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.948167][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.948280][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.948405][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.948530][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.948645][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.948810][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.948925][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.949042][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.949161][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.949275][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.949404][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.949527][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.949643][   T12]  kthread (kernel/kthread.c:436)
[   97.949776][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.949920][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.950035][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.950150][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.950327][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.950444][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.950568][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.960263][   T12] ------------[ cut here ]------------
| [   97.960401][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   97.960646][   T12] Modules linked in: xfrm_user nf_tables
| [   97.961539][   T12] Tainted: [W]=WARN
[   97.961628][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.961788][   T12] Workqueue: netns cleanup_net
[   97.961911][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.962064][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.962489][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.962642][   T12] RAX: 00000000ffffffa6 RBX: ff11000012ff38c0 RCX: 1ff4000000018eed
[   97.962822][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012ff397c
[   97.962996][   T12] RBP: ff11000013a79000 R08: 1fe22000025fe731 R09: ff11000001aed1d0
[   97.963174][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   97.963355][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.963538][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   97.963746][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.963894][   T12] CR2: 00007f2a51352db0 CR3: 000000001384c002 CR4: 0000000000771ef0
[   97.964080][   T12] PKRU: 55555554
[   97.964171][   T12] Call Trace:
[   97.964258][   T12]  <TASK>
[   97.964323][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.964479][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.964625][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.964746][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.964864][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.964983][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.965102][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.965220][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.965346][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.965463][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.965586][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.965708][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.965824][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.965942][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.966060][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.966184][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.966310][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.966427][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.966549][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.966676][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.966793][   T12]  kthread (kernel/kthread.c:436)
[   97.966882][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.967034][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.967152][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.967270][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.967419][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.967540][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.967663][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.969669][   T12] ------------[ cut here ]------------
| [   97.969787][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   97.970016][   T12] Modules linked in: xfrm_user nf_tables
| [   97.970409][   T12] Tainted: [W]=WARN
[   97.970498][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.970647][   T12] Workqueue: netns cleanup_net
[   97.970775][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.970927][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.971349][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.971496][   T12] RAX: 00000000ffffffa6 RBX: ff11000012ff3c40 RCX: 1ff4000000018eed
[   97.971850][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012ff3cfc
[   97.972023][   T12] RBP: ff1100000d441000 R08: 1fe22000025fe7a1 R09: ff11000001aed1d0
[   97.972206][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   97.972381][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.972559][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   97.972771][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.972917][   T12] CR2: 00007f2a51352db0 CR3: 000000004994d005 CR4: 0000000000771ef0
[   97.973092][   T12] PKRU: 55555554
[   97.973184][   T12] Call Trace:
[   97.973271][   T12]  <TASK>
[   97.973340][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.973491][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.973639][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.973767][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.973885][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.974002][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.974123][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.974241][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.974364][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.974485][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.974608][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.974730][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.974846][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.974964][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.975080][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.975198][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.975324][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.975441][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.975566][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.975692][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.975809][   T12]  kthread (kernel/kthread.c:436)
[   97.975896][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.976039][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.976156][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.976272][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.976423][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.976542][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.976665][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   97.978638][   T12] ------------[ cut here ]------------
| [   97.978761][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   97.978989][   T12] Modules linked in: xfrm_user nf_tables
| [   97.979382][   T12] Tainted: [W]=WARN
[   97.979470][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   97.979620][   T12] Workqueue: netns cleanup_net
[   97.979750][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   97.979903][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   97.980325][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   97.980471][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246e740 RCX: 1ff4000000018eed
[   97.980649][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e7fc
[   97.980830][   T12] RBP: ff1100000fd69000 R08: 1fe220000248dd01 R09: ff11000001aed1d0
[   97.981004][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   97.981177][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   97.981365][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   97.981574][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   97.981729][   T12] CR2: 00007f2a51352db0 CR3: 000000004994d005 CR4: 0000000000771ef0
[   97.981905][   T12] PKRU: 55555554
[   97.981992][   T12] Call Trace:
[   97.982081][   T12]  <TASK>
[   97.982141][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   97.982296][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   97.982444][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   97.982566][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   97.982691][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   97.982809][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   97.982927][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   97.983051][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   97.983169][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   97.983290][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   97.983416][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   97.983540][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   97.983663][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   97.983783][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   97.983903][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   97.984022][   T12]  process_one_work (kernel/workqueue.c:3314)
[   97.984148][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   97.984270][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   97.984396][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   97.984518][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   97.984638][   T12]  kthread (kernel/kthread.c:436)
[   97.984731][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   97.984883][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.985001][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   97.985120][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   97.985265][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   97.985389][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   97.985510][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.000797][   T12] ------------[ cut here ]------------
| [   98.000929][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   98.001172][   T12] Modules linked in: xfrm_user nf_tables
| [   98.001593][   T12] Tainted: [W]=WARN
[   98.002152][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.002367][   T12] Workqueue: netns cleanup_net
[   98.002497][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.002714][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.003155][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   98.003316][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246f540 RCX: 1ff4000000018eaf
[   98.003501][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246f5fc
[   98.003740][   T12] RBP: ff11000012fb9000 R08: 1fe220000248dec1 R09: ff11000001aed1d0
[   98.003923][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   98.004104][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000133c9000
[   98.004293][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.004513][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.004719][   T12] CR2: 00007f2a51352db0 CR3: 000000004994d005 CR4: 0000000000771ef0
[   98.004907][   T12] PKRU: 55555554
[   98.004998][   T12] Call Trace:
[   98.005090][   T12]  <TASK>
[   98.005154][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.005278][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.005379][   T12]  netif_close_many (net/core/dev.c:1804)
[   98.005505][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.005627][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.005800][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.005922][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   98.006046][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   98.006199][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   98.006360][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.006488][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.006648][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.006821][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.006942][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   98.007097][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   98.007222][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.007356][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.007479][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.007604][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.007780][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.007906][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.008027][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.008154][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.008279][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.008408][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.008538][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.008710][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.008835][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.008962][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.009084][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.009212][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.009346][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.009470][   T12]  kthread (kernel/kthread.c:436)
[   98.009566][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.009769][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.009892][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.010014][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.010166][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.010296][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.010419][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.012958][   T12] ------------[ cut here ]------------
| [   98.013098][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   98.013345][   T12] Modules linked in: xfrm_user nf_tables
| [   98.013762][   T12] Tainted: [W]=WARN
[   98.013855][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.014010][   T12] Workqueue: netns cleanup_net
[   98.014138][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.014300][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.014753][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   98.014909][   T12] RAX: 00000000ffffffa6 RBX: ff11000013a14740 RCX: 1ff4000000018eaf
[   98.015094][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013a147fc
[   98.015276][   T12] RBP: ff110000133c9000 R08: 1fe2200002742901 R09: ff11000001aed1d0
[   98.015465][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   98.015668][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e62c000
[   98.015853][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   98.016076][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.016230][   T12] CR2: 000055d401a10598 CR3: 000000004994d005 CR4: 0000000000771ef0
[   98.016427][   T12] PKRU: 55555554
[   98.016522][   T12] Call Trace:
[   98.016615][   T12]  <TASK>
[   98.016687][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.016810][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.016934][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.017030][   T12]  netif_close_many (net/core/dev.c:1804)
[   98.017154][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.017276][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.017407][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.017534][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   98.017665][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   98.017820][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   98.017975][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.018098][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.018251][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.018380][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.018505][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   98.018666][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   98.018792][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.018916][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.019040][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.019163][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.019294][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.019419][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.019544][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.019675][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.019798][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.019919][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.020043][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.020164][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.020295][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.020421][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.020545][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.020721][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.020851][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.020973][   T12]  kthread (kernel/kthread.c:436)
[   98.021066][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.021220][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.021348][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.021471][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.021627][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.021753][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.021876][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.024256][   T12] ------------[ cut here ]------------
| [   98.024383][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   98.024626][   T12] Modules linked in: xfrm_user nf_tables
| [   98.025034][   T12] Tainted: [W]=WARN
[   98.025125][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.025277][   T12] Workqueue: netns cleanup_net
[   98.025409][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.025571][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.026019][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   98.026172][   T12] RAX: 00000000ffffffa6 RBX: ff11000013a15e00 RCX: 1ff4000000018eaf
[   98.026361][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013a15ebc
[   98.026554][   T12] RBP: ff1100000e62c000 R08: 1fe2200002742bd9 R09: ff11000001aed1d0
[   98.026750][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   98.026931][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   98.027113][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   98.027333][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.027486][   T12] CR2: 000055d401a10598 CR3: 000000004994d005 CR4: 0000000000771ef0
[   98.027679][   T12] PKRU: 55555554
[   98.027771][   T12] Call Trace:
[   98.027863][   T12]  <TASK>
[   98.027927][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.028049][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.028174][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.028268][   T12]  netif_close_many (net/core/dev.c:1804)
[   98.028397][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.028522][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.028643][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.028771][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   98.028894][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   98.029048][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   98.029203][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.029328][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.029478][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.029602][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.029726][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   98.029877][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   98.030002][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.030128][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.030251][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.030379][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.030505][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.030631][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.030764][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.030891][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.031017][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.031139][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.031262][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.031389][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.031515][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.031644][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.031771][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.031900][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.032026][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.032151][   T12]  kthread (kernel/kthread.c:436)
[   98.032244][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.032400][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.032527][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.032656][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.032816][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.032938][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.033062][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.035384][   T12] ------------[ cut here ]------------
| [   98.035527][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   98.035910][   T12] Modules linked in: xfrm_user nf_tables
| [   98.036647][   T12] Tainted: [W]=WARN
[   98.036822][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.036970][   T12] Workqueue: netns cleanup_net
[   98.037094][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.037256][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.037774][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   98.037923][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d365000 RCX: 1ff4000000018ed5
[   98.038097][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3650bc
[   98.038274][   T12] RBP: ff11000012fb9000 R08: 1fe2200001a6ca19 R09: ff11000001aed1d0
[   98.038459][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   98.038641][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.038866][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   98.039071][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.039223][   T12] CR2: 000055d401a10598 CR3: 000000004994d005 CR4: 0000000000771ef0
[   98.039411][   T12] PKRU: 55555554
[   98.039507][   T12] Call Trace:
[   98.039595][   T12]  <TASK>
[   98.039704][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.039856][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.040002][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.040120][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.040237][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   98.040394][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.040516][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.040637][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.040805][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.040925][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.041045][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.041161][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.041287][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.041407][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.041529][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.041648][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.041820][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.041939][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.042060][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.042178][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.042307][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.042428][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.042554][   T12]  kthread (kernel/kthread.c:436)
[   98.042643][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.042836][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.042955][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.043073][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.043221][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.043343][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.043460][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.051516][   T12] ------------[ cut here ]------------
| [   98.051648][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   98.051891][   T12] Modules linked in: xfrm_user nf_tables
| [   98.052294][   T12] Tainted: [W]=WARN
[   98.052386][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.052539][   T12] Workqueue: netns cleanup_net
[   98.052667][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.052826][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.053250][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   98.053413][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d365c40 RCX: 1ff4000000018ed5
[   98.053595][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d365cfc
[   98.053778][   T12] RBP: ff110000133c9000 R08: 1fe2200001a6cba1 R09: ff11000001aed1d0
[   98.053955][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.054132][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.054318][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.054531][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.054691][   T12] CR2: 00007f2a51352db0 CR3: 000000004994d005 CR4: 0000000000771ef0
[   98.054869][   T12] PKRU: 55555554
[   98.054958][   T12] Call Trace:
[   98.055047][   T12]  <TASK>
[   98.055110][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.055263][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.055416][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.055542][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.055668][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   98.055825][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.055944][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.056063][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.056183][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.056309][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.056429][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.056556][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.056684][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.056804][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.056922][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.057044][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.057162][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.057287][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.057411][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.057531][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.057660][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.057784][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.057902][   T12]  kthread (kernel/kthread.c:436)
[   98.057993][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.058142][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.058261][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.058385][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.058536][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.058665][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.058785][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.061167][   T12] ------------[ cut here ]------------
| [   98.061291][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   98.061529][   T12] Modules linked in: xfrm_user nf_tables
| [   98.061922][   T12] Tainted: [W]=WARN
[   98.062011][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.062159][   T12] Workqueue: netns cleanup_net
[   98.062282][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.062445][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.062873][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   98.063020][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a62900 RCX: 1ff4000000018ed5
[   98.063198][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a629bc
[   98.063379][   T12] RBP: ff1100000e62c000 R08: 1fe220000134c539 R09: ff11000001aed1d0
[   98.063559][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.063745][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.063924][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.064130][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.064279][   T12] CR2: 00007f2a51352db0 CR3: 000000004994d005 CR4: 0000000000771ef0
[   98.064460][   T12] PKRU: 55555554
[   98.064553][   T12] Call Trace:
[   98.064641][   T12]  <TASK>
[   98.064707][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.064861][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.065009][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.065127][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.065249][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   98.065403][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.065528][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.065649][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.065776][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.065900][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.066020][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.066137][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.066258][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.066381][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.066498][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.066623][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.066746][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.066866][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.066989][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.067107][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.067230][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.067358][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.067477][   T12]  kthread (kernel/kthread.c:436)
[   98.067570][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.067722][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.067841][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.067966][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.068113][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.068232][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.068355][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.099743][   T12] ------------[ cut here ]------------
| [   98.099875][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   98.100108][   T12] Modules linked in: xfrm_user nf_tables
| [   98.100499][   T12] Tainted: [W]=WARN
[   98.100592][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.100746][   T12] Workqueue: netns cleanup_net
[   98.100872][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.101026][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.101450][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   98.101599][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bd90ac0 RCX: 1ff4000000018eed
[   98.101778][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd90b7c
[   98.101951][   T12] RBP: ff11000012fbc000 R08: 1fe22000017b2171 R09: ff11000001aed1d0
[   98.102131][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.102310][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.102486][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.102697][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.102843][   T12] CR2: 00007f2a51352db0 CR3: 000000004994d005 CR4: 0000000000771ef0
[   98.103019][   T12] PKRU: 55555554
[   98.103108][   T12] Call Trace:
[   98.103196][   T12]  <TASK>
[   98.103257][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.103424][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.103571][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   98.103693][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   98.103810][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.103928][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   98.104047][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.104165][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   98.104290][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.104406][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.104529][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.104646][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.104834][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.104954][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.105074][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.105193][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.105320][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.105437][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.105562][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.105689][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.105807][   T12]  kthread (kernel/kthread.c:436)
[   98.105896][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.106040][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.106156][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.106275][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.106423][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.106548][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.106673][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.108852][   T12] ------------[ cut here ]------------
| [   98.108969][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   98.109196][   T12] Modules linked in: xfrm_user nf_tables
| [   98.109588][   T12] Tainted: [W]=WARN
[   98.110106][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.110252][   T12] Workqueue: netns cleanup_net
[   98.110379][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.110539][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.111001][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   98.111148][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a63e00 RCX: 1ff4000000018eed
[   98.111325][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a63ebc
[   98.111496][   T12] RBP: ff11000012fa1000 R08: 1fe220000134c7d9 R09: ff11000001aed1d0
[   98.111678][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.111857][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.112036][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.112244][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.112392][   T12] CR2: 00007f2a51352db0 CR3: 000000004994d005 CR4: 0000000000771ef0
[   98.112574][   T12] PKRU: 55555554
[   98.112664][   T12] Call Trace:
[   98.112753][   T12]  <TASK>
[   98.112814][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.112966][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.113110][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   98.113226][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   98.113350][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.113472][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   98.113592][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.113718][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   98.113839][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.113954][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.114072][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.114187][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.114309][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.114426][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.114544][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.114666][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.114785][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.114901][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.115021][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.115141][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.115257][   T12]  kthread (kernel/kthread.c:436)
[   98.115351][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.115502][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.115620][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.115744][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.115892][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.116009][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.116131][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.118318][   T12] ------------[ cut here ]------------
| [   98.118433][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   98.119103][   T12] Modules linked in: xfrm_user nf_tables
| [   98.119494][   T12] Tainted: [W]=WARN
[   98.119632][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.119823][   T12] Workqueue: netns cleanup_net
[   98.119945][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.120098][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.120516][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   98.120710][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a63a80 RCX: 1ff4000000018eed
[   98.120885][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a63b3c
[   98.121057][   T12] RBP: ff11000012f84000 R08: 1fe220000134c769 R09: ff11000001aed1d0
[   98.121234][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.121418][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.121603][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.121857][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.122002][   T12] CR2: 00007f2a51352db0 CR3: 000000004994d005 CR4: 0000000000771ef0
[   98.122179][   T12] PKRU: 55555554
[   98.122265][   T12] Call Trace:
[   98.122356][   T12]  <TASK>
[   98.122417][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.122569][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.122762][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   98.122882][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   98.123005][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.123121][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   98.123238][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.123363][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   98.123485][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.123602][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.123767][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.123885][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.124002][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.124121][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.124237][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.124361][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.124483][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.124610][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.124778][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.124899][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.125016][   T12]  kthread (kernel/kthread.c:436)
[   98.125104][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.125249][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.125373][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.125491][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.125639][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.125803][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.125919][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.129339][   T12] ------------[ cut here ]------------
| [   98.129470][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   98.129780][   T12] Modules linked in: xfrm_user nf_tables
| [   98.130176][   T12] Tainted: [W]=WARN
[   98.130265][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.130414][   T12] Workqueue: netns cleanup_net
[   98.130542][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.130701][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.131124][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   98.131274][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a63540 RCX: 1ff4000000018eed
[   98.131454][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a635fc
[   98.131630][   T12] RBP: ff11000014dbc000 R08: 1fe220000134c6c1 R09: ff11000001aed1d0
[   98.131808][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   98.131986][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.132163][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   98.132373][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.132529][   T12] CR2: 00007fac8579e498 CR3: 0000000013041005 CR4: 0000000000771ef0
[   98.132709][   T12] PKRU: 55555554
[   98.132794][   T12] Call Trace:
[   98.132882][   T12]  <TASK>
[   98.132944][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.133094][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.133241][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   98.133364][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   98.133483][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.133602][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   98.133726][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.133845][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   98.133965][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.134081][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.134201][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.134326][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.134443][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.134565][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.134689][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.134809][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.134933][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.135049][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.135168][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.135292][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.135413][   T12]  kthread (kernel/kthread.c:436)
[   98.135501][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.135656][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.135772][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.135888][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.136033][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.136150][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.136266][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.138248][   T12] ------------[ cut here ]------------
| [   98.138381][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   98.138616][   T12] Modules linked in: xfrm_user nf_tables
| [   98.139800][   T12] Tainted: [W]=WARN
[   98.139894][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.140038][   T12] Workqueue: netns cleanup_net
[   98.140158][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.140314][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.140832][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   98.141069][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a63380 RCX: 1ff4000000018eed
[   98.141241][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a6343c
[   98.141419][   T12] RBP: ff11000013a61000 R08: 1fe220000134c689 R09: ff11000001aed1d0
[   98.141596][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   98.141858][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.142038][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   98.142242][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.142394][   T12] CR2: 00007fac8579e498 CR3: 0000000013041005 CR4: 0000000000771ef0
[   98.142577][   T12] PKRU: 55555554
[   98.142725][   T12] Call Trace:
[   98.142811][   T12]  <TASK>
[   98.142871][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.143024][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.143170][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   98.143294][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   98.143412][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.143531][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   98.143647][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.143835][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   98.143957][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.144075][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.144194][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.144318][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.144435][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.144562][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.144748][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.144865][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.144983][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.145100][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.145221][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.145348][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.145465][   T12]  kthread (kernel/kthread.c:436)
[   98.145556][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.145775][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.145892][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.146007][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.146151][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.146266][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.146386][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.160304][   T12] ------------[ cut here ]------------
| [   98.160478][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   98.160786][   T12] Modules linked in: xfrm_user nf_tables
| [   98.161295][   T12] Tainted: [W]=WARN
[   98.161434][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.161643][   T12] Workqueue: netns cleanup_net
[   98.161840][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.162045][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.162540][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   98.162757][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c541a80 RCX: 1ff4000000018eaf
[   98.162984][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c541b3c
[   98.163216][   T12] RBP: ff1100001349c000 R08: 1fe22000018a8369 R09: ff11000001aed1d0
[   98.163450][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   98.163695][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009809000
[   98.163925][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   98.164189][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.164396][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000e4bb003 CR4: 0000000000771ef0
[   98.164637][   T12] PKRU: 55555554
[   98.164789][   T12] Call Trace:
[   98.164928][   T12]  <TASK>
[   98.165065][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.165237][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.165391][   T12]  netif_close_many (net/core/dev.c:1804)
[   98.165568][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.165749][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.165918][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.166089][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   98.166261][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   98.166473][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   98.166698][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.166869][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.167097][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.167270][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.167446][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   98.167665][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   98.167837][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.168052][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.168224][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.168403][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.168584][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.168767][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.168937][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.169111][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.169293][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.169462][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.169644][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.169827][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.170002][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.170176][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.170356][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.170538][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.170759][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.170929][   T12]  kthread (kernel/kthread.c:436)
[   98.171069][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.171270][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.171451][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.171676][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.171879][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.172050][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.172221][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.175019][   T12] ------------[ cut here ]------------
| [   98.175189][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   98.175489][   T12] Modules linked in: xfrm_user nf_tables
| [   98.176592][   T12] Tainted: [W]=WARN
[   98.176838][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.177109][   T12] Workqueue: netns cleanup_net
[   98.177280][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.177497][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.178002][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   98.178212][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c540e40 RCX: 1ff4000000018eaf
[   98.178450][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c540efc
[   98.178697][   T12] RBP: ff11000009809000 R08: 1fe22000018a81e1 R09: ff11000001aed1d0
[   98.178926][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   98.179162][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c441000
[   98.179430][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   98.179716][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.179918][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000e4bb003 CR4: 0000000000771ef0
[   98.180154][   T12] PKRU: 55555554
[   98.180300][   T12] Call Trace:
[   98.180440][   T12]  <TASK>
[   98.180556][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.180741][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.180914][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.181057][   T12]  netif_close_many (net/core/dev.c:1804)
[   98.181229][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.181413][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.181594][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.181779][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   98.181950][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   98.182152][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   98.182363][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.182538][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.182756][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.182928][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.183097][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   98.183306][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   98.183479][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.183670][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.183842][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.184018][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.184191][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.184372][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.184550][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.184737][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.184909][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.185078][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.185250][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.185430][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.185615][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.185801][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.185971][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.186147][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.186330][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.186502][   T12]  kthread (kernel/kthread.c:436)
[   98.186663][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.186865][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.187038][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.187209][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.187418][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.187596][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.187781][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.190473][   T12] ------------[ cut here ]------------
| [   98.190643][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   98.191462][   T12] Modules linked in: xfrm_user nf_tables
| [   98.192086][   T12] Tainted: [W]=WARN
[   98.192275][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.192543][   T12] Workqueue: netns cleanup_net
[   98.192787][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.193053][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.193642][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   98.193969][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f9b91c0 RCX: 1ff4000000018eaf
[   98.194251][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f9b927c
[   98.194545][   T12] RBP: ff1100000c441000 R08: 1fe2200001f37251 R09: ff11000001aed1d0
[   98.194839][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   98.195117][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   98.195407][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   98.195743][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.195999][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000e4bb003 CR4: 0000000000771ef0
[   98.196277][   T12] PKRU: 55555554
[   98.196472][   T12] Call Trace:
[   98.196681][   T12]  <TASK>
[   98.196842][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.197064][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.197292][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.197484][   T12]  netif_close_many (net/core/dev.c:1804)
[   98.197722][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.197945][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.198163][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.198394][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   98.198625][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   98.198889][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   98.199143][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.199398][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.199725][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.199987][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.200329][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   98.200638][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   98.200942][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.201111][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.201292][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.201465][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.201648][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.201838][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.202011][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.202185][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.202364][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.202540][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.202728][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.202899][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.203071][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.203252][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.203456][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.203641][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.203829][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.204001][   T12]  kthread (kernel/kthread.c:436)
[   98.204143][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.204350][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.204528][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.204714][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.204915][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.205086][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.205259][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.207935][   T12] ------------[ cut here ]------------
| [   98.208107][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   98.208395][   T12] Modules linked in: xfrm_user nf_tables
| [   98.209427][   T12] Tainted: [W]=WARN
[   98.209628][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.209887][   T12] Workqueue: netns cleanup_net
[   98.210106][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.210365][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.210910][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   98.211154][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a623c0 RCX: 1ff4000000018ed5
[   98.211432][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a6247c
[   98.211724][   T12] RBP: ff1100001349c000 R08: 1fe220000134c491 R09: ff11000001aed1d0
[   98.211992][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   98.212258][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.212545][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   98.212861][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.213102][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d006 CR4: 0000000000771ef0
[   98.213380][   T12] PKRU: 55555554
[   98.213568][   T12] Call Trace:
[   98.213761][   T12]  <TASK>
[   98.213915][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.214159][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.214409][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.214632][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.214855][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   98.215099][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.215319][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.215541][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.215774][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.215992][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.216204][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.216561][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.216739][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.216908][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.217073][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.217240][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.217575][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.217761][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.217931][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.218096][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.218266][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.218525][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.218703][   T12]  kthread (kernel/kthread.c:436)
[   98.218842][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.219041][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.219206][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.219383][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.219588][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.219766][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.219932][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.223328][   T12] ------------[ cut here ]------------
| [   98.223493][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   98.223909][   T12] Modules linked in: xfrm_user nf_tables
| [   98.224607][   T12] Tainted: [W]=WARN
[   98.224830][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.225074][   T12] Workqueue: netns cleanup_net
[   98.225378][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.225635][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.226243][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   98.226499][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a1a2200 RCX: 1ff4000000018ed5
[   98.226791][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1a22bc
[   98.227060][   T12] RBP: ff11000009809000 R08: 1fe2200001434459 R09: ff11000001aed1d0
[   98.227366][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   98.227647][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.227973][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   98.228275][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.228564][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d006 CR4: 0000000000771ef0
[   98.228852][   T12] PKRU: 55555554
[   98.229031][   T12] Call Trace:
[   98.229211][   T12]  <TASK>
[   98.229373][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.229632][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.229886][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.230171][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.230392][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   98.230647][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.230949][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.231166][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.231387][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.231612][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.231844][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.232126][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.232346][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.232570][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.232869][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.233081][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.233372][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.233595][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.233826][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.234114][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.234393][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.234734][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.235052][   T12]  kthread (kernel/kthread.c:436)
[   98.235186][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.235390][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.235563][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.235745][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.235944][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.236108][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.236275][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.239427][   T12] ------------[ cut here ]------------
| [   98.239598][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   98.240104][   T12] Modules linked in: xfrm_user nf_tables
| [   98.240726][   T12] Tainted: [W]=WARN
[   98.240920][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.241156][   T12] Workqueue: netns cleanup_net
[   98.241380][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.241636][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.242157][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   98.242415][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a1a3540 RCX: 1ff4000000018ed5
[   98.242704][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1a35fc
[   98.242972][   T12] RBP: ff1100000c441000 R08: 1fe22000014346c1 R09: ff11000001aed1d0
[   98.243244][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   98.243530][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.243824][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   98.244124][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.244370][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d006 CR4: 0000000000771ef0
[   98.244672][   T12] PKRU: 55555554
[   98.244852][   T12] Call Trace:
[   98.245034][   T12]  <TASK>
[   98.245189][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.245478][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.245731][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.245943][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.246154][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   98.246404][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.246628][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.246856][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.247069][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.247281][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.247508][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.247766][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.248025][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.248301][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.248597][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.248872][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.249130][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.249403][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.249694][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.249943][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.250113][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.250319][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.250488][   T12]  kthread (kernel/kthread.c:436)
[   98.250673][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.250870][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.251048][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.251215][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.251420][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.251595][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.251774][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.303504][   T12] ------------[ cut here ]------------
| [   98.303647][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   98.303891][   T12] Modules linked in: xfrm_user nf_tables
| [   98.304282][   T12] Tainted: [W]=WARN
[   98.304378][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.304529][   T12] Workqueue: netns cleanup_net
[   98.304658][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.304821][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.305272][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   98.305423][   T12] RAX: 00000000ffffffa6 RBX: ff11000004ecf8c0 RCX: 1ff4000000018eed
[   98.305598][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004ecf97c
[   98.305835][   T12] RBP: ff1100000e944000 R08: 1fe22000009d9f31 R09: ff11000001aed1d0
[   98.306009][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.306183][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.306369][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.306574][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.306727][   T12] CR2: 00007ffe3bb9fb28 CR3: 000000000e4bb002 CR4: 0000000000771ef0
[   98.306904][   T12] PKRU: 55555554
[   98.306991][   T12] Call Trace:
[   98.307082][   T12]  <TASK>
[   98.307143][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.307303][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.307449][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   98.307569][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   98.307693][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.307810][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   98.307927][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.308049][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   98.308167][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.308288][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.308408][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.308529][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.308647][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.308770][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.308885][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.309005][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.309129][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.309245][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.309371][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.309493][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.309612][   T12]  kthread (kernel/kthread.c:436)
[   98.309707][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.309856][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.309975][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.310094][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.310241][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.310371][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.310487][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.312716][   T12] ------------[ cut here ]------------
| [   98.312835][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   98.313068][   T12] Modules linked in: xfrm_user nf_tables
| [   98.313458][   T12] Tainted: [W]=WARN
[   98.313549][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.314030][   T12] Workqueue: netns cleanup_net
[   98.314155][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.314314][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.314793][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   98.314940][   T12] RAX: 00000000ffffffa6 RBX: ff11000004ecf380 RCX: 1ff4000000018eed
[   98.315115][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004ecf43c
[   98.315298][   T12] RBP: ff110000138b4000 R08: 1fe22000009d9e89 R09: ff11000001aed1d0
[   98.315472][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.315649][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.315914][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.316122][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.316269][   T12] CR2: 00007ffe3bb9fb28 CR3: 000000000e4bb002 CR4: 0000000000771ef0
[   98.316450][   T12] PKRU: 55555554
[   98.316540][   T12] Call Trace:
[   98.316627][   T12]  <TASK>
[   98.316700][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.316854][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.316998][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   98.317116][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   98.317234][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.317353][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   98.317470][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.317593][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   98.317718][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.317834][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.317958][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.318075][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.318191][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.318314][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.318429][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.318554][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.318680][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.318802][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.318923][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.319045][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.319161][   T12]  kthread (kernel/kthread.c:436)
[   98.319248][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.319400][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.319518][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.319636][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.319788][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.319905][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.320023][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.322214][   T12] ------------[ cut here ]------------
| [   98.322341][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   98.322570][   T12] Modules linked in: xfrm_user nf_tables
| [   98.323446][   T12] Tainted: [W]=WARN
[   98.323538][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.323732][   T12] Workqueue: netns cleanup_net
[   98.323852][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.324014][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.324430][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   98.324582][   T12] RAX: 00000000ffffffa6 RBX: ff11000004ecf000 RCX: 1ff4000000018eed
[   98.324806][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004ecf0bc
[   98.324979][   T12] RBP: ff1100000fc31000 R08: 1fe22000009d9e19 R09: ff11000001aed1d0
[   98.325152][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.325327][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.325502][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.325761][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.325906][   T12] CR2: 00007ffe3bb9fb28 CR3: 000000000e4bb002 CR4: 0000000000771ef0
[   98.326081][   T12] PKRU: 55555554
[   98.326167][   T12] Call Trace:
[   98.326253][   T12]  <TASK>
[   98.326321][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.326470][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.326616][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   98.326779][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   98.326896][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.327011][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   98.327127][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.327244][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   98.327367][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.327484][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.327603][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.327765][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.327882][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.328001][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.328116][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.328239][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.328362][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.328479][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.328601][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.328767][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.328883][   T12]  kthread (kernel/kthread.c:436)
[   98.328976][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.329119][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.329233][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.329357][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.329509][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.329624][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.329787][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.332435][   T12] ------------[ cut here ]------------
| [   98.332569][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   98.332804][   T12] Modules linked in: xfrm_user nf_tables
| [   98.333190][   T12] Tainted: [W]=WARN
[   98.333277][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.333426][   T12] Workqueue: netns cleanup_net
[   98.333549][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.333707][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.334118][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   98.334263][   T12] RAX: 00000000ffffffa6 RBX: ff11000010870040 RCX: 1ff4000000018eed
[   98.334437][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000108700fc
[   98.334613][   T12] RBP: ff1100000e769000 R08: 1fe220000210e021 R09: ff11000001aed1d0
[   98.334797][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   98.334966][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.335144][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   98.335349][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.335496][   T12] CR2: 00007f4cd715d0a0 CR3: 000000004994d002 CR4: 0000000000771ef0
[   98.335678][   T12] PKRU: 55555554
[   98.335764][   T12] Call Trace:
[   98.335851][   T12]  <TASK>
[   98.335912][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.336059][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.336206][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   98.336327][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   98.336445][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.336567][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   98.336690][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.336807][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   98.336930][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.337044][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.337163][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.337281][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.337402][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.337521][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.337637][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.337765][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.337884][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.338003][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.338123][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.338243][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.338364][   T12]  kthread (kernel/kthread.c:436)
[   98.338451][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.338596][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.338718][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.338834][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.338979][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.339094][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.339209][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.341251][   T12] ------------[ cut here ]------------
| [   98.341389][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   98.341623][   T12] Modules linked in: xfrm_user nf_tables
| [   98.342018][   T12] Tainted: [W]=WARN
[   98.342105][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.342248][   T12] Workqueue: netns cleanup_net
[   98.342377][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.342531][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.342947][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   98.343092][   T12] RAX: 00000000ffffffa6 RBX: ff110000108703c0 RCX: 1ff4000000018eed
[   98.343262][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001087047c
[   98.343437][   T12] RBP: ff11000010271000 R08: 1fe220000210e091 R09: ff11000001aed1d0
[   98.343611][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   98.343791][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.343963][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   98.344165][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.344313][   T12] CR2: 00007f4cd715d0a0 CR3: 000000004994d002 CR4: 0000000000771ef0
[   98.344491][   T12] PKRU: 55555554
[   98.344580][   T12] Call Trace:
[   98.344667][   T12]  <TASK>
[   98.344728][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.344876][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.345019][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   98.345133][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   98.345249][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.345367][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   98.345485][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.345604][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   98.345751][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.345865][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.345981][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.346097][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.346211][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.346333][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.346447][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.346567][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.346691][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.346806][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.346930][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.347050][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.347169][   T12]  kthread (kernel/kthread.c:436)
[   98.347262][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.347409][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.347529][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.347643][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.347792][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.347907][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.348024][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.350773][   T12] ------------[ cut here ]------------
| [   98.350900][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   98.351130][   T12] Modules linked in: xfrm_user nf_tables
| [   98.351529][   T12] Tainted: [W]=WARN
[   98.351617][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.351772][   T12] Workqueue: netns cleanup_net
[   98.351895][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.352044][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.352467][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   98.352616][   T12] RAX: 00000000ffffffa6 RBX: ff11000010870ac0 RCX: 1ff4000000018eed
[   98.352796][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010870b7c
[   98.352975][   T12] RBP: ff110000133e9000 R08: 1fe220000210e171 R09: ff11000001aed1d0
[   98.353146][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   98.353323][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.353497][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   98.353706][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.353851][   T12] CR2: 00007f4cd715d0a0 CR3: 000000004994d002 CR4: 0000000000771ef0
[   98.354024][   T12] PKRU: 55555554
[   98.354109][   T12] Call Trace:
[   98.354194][   T12]  <TASK>
[   98.354256][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.354412][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.354558][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   98.354769][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   98.354889][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.355004][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   98.355211][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.355334][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   98.355451][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.355567][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.355787][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.355907][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.356020][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.356136][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.356249][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.356372][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.356491][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.356609][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.356824][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.356943][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.357057][   T12]  kthread (kernel/kthread.c:436)
[   98.357144][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.357292][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.357408][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.357526][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.357757][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.357876][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.357992][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.360583][   T12] ------------[ cut here ]------------
| [   98.360724][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   98.360951][   T12] Modules linked in: xfrm_user nf_tables
| [   98.361343][   T12] Tainted: [W]=WARN
[   98.361431][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.361578][   T12] Workqueue: netns cleanup_net
[   98.361708][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.361858][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.362299][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   98.362445][   T12] RAX: 00000000ffffffa6 RBX: ff110000108711c0 RCX: 1ff4000000018eed
[   98.362621][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001087127c
[   98.362807][   T12] RBP: ff1100001305c000 R08: 1fe220000210e251 R09: ff11000001aed1d0
[   98.362979][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   98.363155][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.363333][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   98.363549][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.363706][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000eb08003 CR4: 0000000000771ef0
[   98.363878][   T12] PKRU: 55555554
[   98.363963][   T12] Call Trace:
[   98.364049][   T12]  <TASK>
[   98.364109][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.364256][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.364403][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   98.364522][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   98.364638][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.364758][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   98.364873][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.364989][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   98.365107][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.365221][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.365344][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.365458][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.365576][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.365703][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.365822][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.365939][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.366058][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.366175][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.366297][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.366417][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.366534][   T12]  kthread (kernel/kthread.c:436)
[   98.366622][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.366770][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.366886][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.367003][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.367146][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.367262][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.367388][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.377532][   T12] ------------[ cut here ]------------
| [   98.377661][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   98.377889][   T12] Modules linked in: xfrm_user nf_tables
| [   98.378274][   T12] Tainted: [W]=WARN
[   98.378367][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.378514][   T12] Workqueue: netns cleanup_net
[   98.378639][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.378800][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.379211][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   98.379366][   T12] RAX: 00000000ffffffa6 RBX: ff110000108718c0 RCX: 1ff4000000018eed
[   98.379540][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001087197c
[   98.379718][   T12] RBP: ff11000012919000 R08: 1fe220000210e331 R09: ff11000001aed1d0
[   98.379890][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   98.380064][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.380237][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   98.380442][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.380591][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   98.380770][   T12] PKRU: 55555554
[   98.380856][   T12] Call Trace:
[   98.380947][   T12]  <TASK>
[   98.381008][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.381156][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.381310][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   98.381426][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   98.381545][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.381665][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   98.381780][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.381898][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   98.382016][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.382134][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.382253][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.382373][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.382490][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.382613][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.382734][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.382853][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.382977][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.383092][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.383218][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.383348][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.383466][   T12]  kthread (kernel/kthread.c:436)
[   98.383557][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.383741][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.383858][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.383975][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.384120][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.384236][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.384357][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.386550][   T12] ------------[ cut here ]------------
| [   98.386675][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   98.386911][   T12] Modules linked in: xfrm_user nf_tables
| [   98.387292][   T12] Tainted: [W]=WARN
[   98.387386][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.387536][   T12] Workqueue: netns cleanup_net
[   98.387668][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.387822][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.388231][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   98.388384][   T12] RAX: 00000000ffffffa6 RBX: ff11000010871c40 RCX: 1ff4000000018eed
[   98.388564][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010871cfc
[   98.388741][   T12] RBP: ff110000100d9000 R08: 1fe220000210e3a1 R09: ff11000001aed1d0
[   98.388914][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   98.389092][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.389265][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   98.389476][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.389624][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   98.389803][   T12] PKRU: 55555554
[   98.389889][   T12] Call Trace:
[   98.389975][   T12]  <TASK>
[   98.390035][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.390187][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.390335][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   98.390451][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   98.390570][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.390688][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   98.390805][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.390926][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   98.391044][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.391159][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.391277][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.391399][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.391515][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.391637][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.391756][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.391878][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.391995][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.392111][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.392230][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.392361][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.392482][   T12]  kthread (kernel/kthread.c:436)
[   98.392570][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.392719][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.392836][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.392952][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.393098][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.393215][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.393341][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.395319][   T12] ------------[ cut here ]------------
| [   98.395439][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   98.396075][   T12] Modules linked in: xfrm_user nf_tables
| [   98.396461][   T12] Tainted: [W]=WARN
[   98.396553][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.396746][   T12] Workqueue: netns cleanup_net
[   98.396865][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.397014][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.397430][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   98.397581][   T12] RAX: 00000000ffffffa6 RBX: ff11000004ece3c0 RCX: 1ff4000000018eed
[   98.397803][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004ece47c
[   98.397975][   T12] RBP: ff1100000ddd9000 R08: 1fe22000009d9c91 R09: ff11000001aed1d0
[   98.398147][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   98.398328][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.398502][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   98.398757][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.398907][   T12] CR2: 000055d3d5b6bd5c CR3: 000000004994d002 CR4: 0000000000771ef0
[   98.399080][   T12] PKRU: 55555554
[   98.399172][   T12] Call Trace:
[   98.399260][   T12]  <TASK>
[   98.399324][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.399470][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.399617][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   98.399782][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   98.399899][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.400013][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   98.400130][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.400248][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   98.400370][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.400485][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.400607][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.400773][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.400889][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.401007][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.401125][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.401243][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.401375][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.401491][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.401616][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.401780][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.401895][   T12]  kthread (kernel/kthread.c:436)
[   98.401983][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.402124][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.402240][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.402366][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.402513][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.402629][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.402788][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.426181][   T12] ------------[ cut here ]------------
| [   98.426328][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   98.426575][   T12] Modules linked in: xfrm_user nf_tables
| [   98.426995][   T12] Tainted: [W]=WARN
[   98.427092][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.427249][   T12] Workqueue: netns cleanup_net
[   98.427382][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.427544][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.427994][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   98.428150][   T12] RAX: 00000000ffffffa6 RBX: ff11000004ece740 RCX: 1ff4000000018eaf
[   98.428337][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004ece7fc
[   98.428527][   T12] RBP: ff1100000e80c000 R08: 1fe22000009d9d01 R09: ff11000001aed1d0
[   98.428715][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   98.428898][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000125b9000
[   98.429081][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.429302][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.429457][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d001 CR4: 0000000000771ef0
[   98.429644][   T12] PKRU: 55555554
[   98.429750][   T12] Call Trace:
[   98.429843][   T12]  <TASK>
[   98.429907][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.430031][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.430125][   T12]  netif_close_many (net/core/dev.c:1804)
[   98.430253][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.430379][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.430501][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.430626][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   98.430757][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   98.430910][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   98.431063][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.431187][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.431342][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.431463][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.431593][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.431722][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.431846][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.431970][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.432095][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.432221][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.432347][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.432474][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.432600][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.432780][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.432954][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.433076][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.433201][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.433334][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.433456][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.433588][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.433767][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.433889][   T12]  kthread (kernel/kthread.c:436)
[   98.433982][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.434135][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.434261][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.434391][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.434547][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.434719][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.434842][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.437926][   T12] ------------[ cut here ]------------
| [   98.438066][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   98.438312][   T12] Modules linked in: xfrm_user nf_tables
| [   98.438727][   T12] Tainted: [W]=WARN
[   98.438819][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.438977][   T12] Workqueue: netns cleanup_net
[   98.439103][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.439262][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.439713][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   98.439866][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c649380 RCX: 1ff4000000018eaf
[   98.440047][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c64943c
[   98.440230][   T12] RBP: ff110000125b9000 R08: 1fe22000018c9289 R09: ff11000001aed1d0
[   98.440416][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   98.440600][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fb7c000
[   98.440793][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   98.441017][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.441175][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000f263005 CR4: 0000000000771ef0
[   98.441360][   T12] PKRU: 55555554
[   98.441452][   T12] Call Trace:
[   98.441545][   T12]  <TASK>
[   98.441608][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.441736][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.441859][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.441952][   T12]  netif_close_many (net/core/dev.c:1804)
[   98.442074][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.442197][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.442325][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.442448][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   98.442573][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   98.442767][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   98.442922][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.443043][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.443196][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.443324][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.443449][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.443574][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.443702][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.443826][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.443947][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.444070][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.444190][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.444319][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.444441][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.444564][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.444691][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.444813][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.444935][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.445065][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.445186][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.445318][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.445443][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.445567][   T12]  kthread (kernel/kthread.c:436)
[   98.445664][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.445816][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.445937][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.446058][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.446209][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.446336][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.446457][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.448115][   T12] ------------[ cut here ]------------
| [   98.448234][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   98.448483][   T12] Modules linked in: xfrm_user nf_tables
| [   98.448899][   T12] Tainted: [W]=WARN
[   98.448992][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.449145][   T12] Workqueue: netns cleanup_net
[   98.449271][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.449433][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.449968][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   98.450142][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c649a80 RCX: 1ff4000000018eaf
[   98.450331][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c649b3c
[   98.450517][   T12] RBP: ff1100000fb7c000 R08: 1fe22000018c9369 R09: ff11000001aed1d0
[   98.450719][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   98.450902][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000014c84000
[   98.451084][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   98.451301][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.451453][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000f263005 CR4: 0000000000771ef0
[   98.451637][   T12] PKRU: 55555554
[   98.451734][   T12] Call Trace:
[   98.451825][   T12]  <TASK>
[   98.451889][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.452012][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.452133][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.452226][   T12]  netif_close_many (net/core/dev.c:1804)
[   98.452359][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.452480][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.452603][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.452730][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   98.452851][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   98.453004][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   98.453158][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.453280][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.453436][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.453560][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.453691][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.453816][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.453938][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.454062][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.454185][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.454318][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.454442][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.454570][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.454697][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.454816][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.454944][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.455065][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.455187][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.455317][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.455438][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.455569][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.455698][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.455819][   T12]  kthread (kernel/kthread.c:436)
[   98.455909][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.456067][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.456189][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.456315][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.456468][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.456592][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.456720][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.459390][   T12] ------------[ cut here ]------------
| [   98.459534][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   98.460477][   T12] Modules linked in: xfrm_user nf_tables
| [   98.460941][   T12] Tainted: [W]=WARN
[   98.461035][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.461189][   T12] Workqueue: netns cleanup_net
[   98.461322][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.461536][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.462076][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   98.462246][   T12] RAX: 00000000ffffffa6 RBX: ff11000012be4ac0 RCX: 1ff4000000018eaf
[   98.462436][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012be4b7c
[   98.462686][   T12] RBP: ff11000014c84000 R08: 1fe220000257c971 R09: ff11000001aed1d0
[   98.462867][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   98.463051][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   98.463246][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   98.463470][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.463625][   T12] CR2: 000055d3d5b6bd5c CR3: 000000000f263005 CR4: 0000000000771ef0
[   98.463860][   T12] PKRU: 55555554
[   98.463951][   T12] Call Trace:
[   98.464043][   T12]  <TASK>
[   98.464106][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.464229][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.464356][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.464450][   T12]  netif_close_many (net/core/dev.c:1804)
[   98.464576][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.464749][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.464873][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.464995][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   98.465115][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   98.465269][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   98.465428][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.465553][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.465754][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.465874][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.466003][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.466125][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.466246][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.466373][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.466499][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.466626][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.466813][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.466937][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.467057][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.467177][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.467303][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.467425][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.467551][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.467725][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.467848][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.467975][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.468100][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.468220][   T12]  kthread (kernel/kthread.c:436)
[   98.468317][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.468466][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.468601][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.468777][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.468929][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.469054][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.469178][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.472184][   T12] ------------[ cut here ]------------
| [   98.472319][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   98.472560][   T12] Modules linked in: xfrm_user nf_tables
| [   98.473017][   T12] Tainted: [W]=WARN
[   98.473107][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.473260][   T12] Workqueue: netns cleanup_net
[   98.473387][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.473545][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.474036][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   98.474250][   T12] RAX: 00000000ffffffa6 RBX: ff11000012be5c40 RCX: 1ff4000000018ed5
[   98.474441][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012be5cfc
[   98.474628][   T12] RBP: ff1100000e80c000 R08: 1fe220000257cba1 R09: ff11000001aed1d0
[   98.474860][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   98.475036][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.475212][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[   98.475426][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.475577][   T12] CR2: 00007fa47eb49668 CR3: 00000000129d5002 CR4: 0000000000771ef0
[   98.475822][   T12] PKRU: 55555554
[   98.475910][   T12] Call Trace:
[   98.475997][   T12]  <TASK>
[   98.476059][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.476211][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.476364][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.476484][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.476613][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.476798][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.476917][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.477035][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.477153][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.477278][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.477404][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.477535][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.477710][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.477828][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.477948][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.478066][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.478189][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.478315][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.478434][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.478561][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.478747][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.478865][   T12]  kthread (kernel/kthread.c:436)
[   98.478954][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.479102][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.479222][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.479348][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.479501][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.479621][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.479804][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.487852][   T12] ------------[ cut here ]------------
| [   98.487985][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   98.488222][   T12] Modules linked in: xfrm_user nf_tables
| [   98.488625][   T12] Tainted: [W]=WARN
[   98.488727][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.488877][   T12] Workqueue: netns cleanup_net
[   98.489003][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.489165][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.489605][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   98.489763][   T12] RAX: 00000000ffffffa6 RBX: ff11000012146ac0 RCX: 1ff4000000018ed5
[   98.489940][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012146b7c
[   98.490115][   T12] RBP: ff110000125b9000 R08: 1fe2200002428d71 R09: ff11000001aed1d0
[   98.490307][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.490487][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.490768][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.490975][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.491122][   T12] CR2: 00007f4cd72ab888 CR3: 000000004994d002 CR4: 0000000000771ef0
[   98.491306][   T12] PKRU: 55555554
[   98.491395][   T12] Call Trace:
[   98.491483][   T12]  <TASK>
[   98.491546][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.491811][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.492060][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.492179][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.492310][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.492434][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.492568][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.492780][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.492903][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.493027][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.493146][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.493267][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.493391][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.493512][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.493632][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.493842][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.493963][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.494084][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.494203][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.494333][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.494459][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.494581][   T12]  kthread (kernel/kthread.c:436)
[   98.494769][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.494916][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.495034][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.495154][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.495308][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.495428][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.495550][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.498151][   T12] ------------[ cut here ]------------
| [   98.498270][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   98.498513][   T12] Modules linked in: xfrm_user nf_tables
| [   98.498909][   T12] Tainted: [W]=WARN
[   98.498998][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.499151][   T12] Workqueue: netns cleanup_net
[   98.499274][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.499432][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.499865][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   98.500015][   T12] RAX: 00000000ffffffa6 RBX: ff11000012146200 RCX: 1ff4000000018ed5
[   98.500190][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121462bc
[   98.500370][   T12] RBP: ff1100000fb7c000 R08: 1fe2200002428c59 R09: ff11000001aed1d0
[   98.500550][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.500733][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.500909][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.501116][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.501266][   T12] CR2: 00007f4cd72ab888 CR3: 000000004994d002 CR4: 0000000000771ef0
[   98.501447][   T12] PKRU: 55555554
[   98.501541][   T12] Call Trace:
[   98.501631][   T12]  <TASK>
[   98.501697][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.501853][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.502000][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.502119][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.502242][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.502372][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.502496][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.502619][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.502745][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.502866][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.502989][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.503110][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.503230][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.503358][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.503480][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.503600][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.503724][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.503850][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.503968][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.504091][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.504217][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.504340][   T12]  kthread (kernel/kthread.c:436)
[   98.504430][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.504583][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.504706][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.504828][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.504981][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.505102][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.505224][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.507609][   T12] ------------[ cut here ]------------
| [   98.508225][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   98.508471][   T12] Modules linked in: xfrm_user nf_tables
| [   98.508915][   T12] Tainted: [W]=WARN
[   98.509012][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.509165][   T12] Workqueue: netns cleanup_net
[   98.509292][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.509449][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[   98.509922][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   98.510074][   T12] RAX: 00000000ffffffa6 RBX: ff1100001246e900 RCX: 1ff4000000018ed5
[   98.510250][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e9bc
[   98.510434][   T12] RBP: ff11000014c84000 R08: 1fe220000248dd39 R09: ff11000001aed1d0
[   98.510616][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.510843][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   98.511022][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.511229][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.511383][   T12] CR2: 00007f4cd72ab888 CR3: 000000004994d002 CR4: 0000000000771ef0
[   98.511567][   T12] PKRU: 55555554
[   98.511703][   T12] Call Trace:
[   98.511791][   T12]  <TASK>
[   98.511853][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   98.512003][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   98.512150][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   98.512269][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   98.512398][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   98.512530][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   98.512650][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   98.512818][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   98.512947][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   98.513068][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   98.513189][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.513316][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   98.513436][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   98.513558][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   98.513727][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.513844][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.513964][   T12]  process_one_work (kernel/workqueue.c:3314)
[   98.514087][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   98.514212][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.514346][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   98.514470][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   98.514593][   T12]  kthread (kernel/kthread.c:436)
[   98.514731][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   98.514879][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.514998][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   98.515118][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   98.515266][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   98.515390][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   98.515513][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   98.549719][ T2780] ------------[ cut here ]------------
| [   98.549866][ T2780] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2780
| [   98.550128][ T2780] Modules linked in: xfrm_user nf_tables
| [   98.550536][ T2780] Tainted: [W]=WARN
[   98.550634][ T2780] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.551236][ T2780] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.551415][ T2780] 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
[   98.551884][ T2780] RSP: 0018:ffa0000003b8fa80 EFLAGS: 00010286
[   98.552048][ T2780] RAX: 00000000ffffffa6 RBX: ff11000012120040 RCX: 1ff4000000771f16
[   98.552241][ T2780] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121200fc
[   98.552440][ T2780] RBP: ff11000008f3c000 R08: 1fe2200002424021 R09: ff1100000eb8d180
[   98.552639][ T2780] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.552838][ T2780] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008f3c000
[   98.553035][ T2780] FS:  00007f8a55c9e840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.553272][ T2780] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.553447][ T2780] CR2: 00007f8a55e9fc20 CR3: 0000000012641003 CR4: 0000000000771ef0
[   98.553648][ T2780] PKRU: 55555554
[   98.553751][ T2780] Call Trace:
[   98.553847][ T2780]  <TASK>
[   98.553915][ T2780]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.554047][ T2780]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.554177][ T2780]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.554276][ T2780]  register_netdevice (net/core/dev.c:11488)
[   98.554420][ T2780]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.554585][ T2780]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   98.554723][ T2780]  register_netdev (net/core/dev.c:11552)
[   98.554852][ T2780]  loopback_net_init (drivers/net/loopback.c:218)
[   98.554983][ T2780]  ops_init (net/core/net_namespace.c:137)
[   98.555082][ T2780]  setup_net (net/core/net_namespace.c:446)
[   98.555180][ T2780]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.555316][ T2780]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.555445][ T2780]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.555580][ T2780]  copy_net_ns (net/core/net_namespace.c:579)
[   98.555718][ T2780]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.555852][ T2780]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.555983][ T2780]  ksys_unshare (kernel/fork.c:3243)
[   98.556113][ T2780]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.556245][ T2780]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.556380][ T2780]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.556516][ T2780]  ? __ia32_sys_open (fs/open.c:1374)
[   98.556649][ T2780]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.556787][ T2780]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.556917][ T2780]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.557046][ T2780]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.557174][ T2780]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.557309][ T2780]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.557470][ T2780] RIP: 0033:0x7f8a55f60bcb
[   98.557611][ T2780] 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
[   98.558077][ T2780] RSP: 002b:00007ffdf1ea46a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.558274][ T2780] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8a55f60bcb
[   98.558471][ T2780] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.558669][ T2780] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.558862][ T2780] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf1ea68d0
[   98.559056][ T2780] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdf1ea7888
| [   98.563233][ T2780] ------------[ cut here ]------------
| [   98.563374][ T2780] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2780
| [   98.563634][ T2780] Modules linked in: xfrm_user nf_tables
| [   98.564029][ T2780] Tainted: [W]=WARN
[   98.564127][ T2780] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.564294][ T2780] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.564461][ T2780] 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
[   98.564925][ T2780] RSP: 0018:ffa0000003b8f918 EFLAGS: 00010286
[   98.565086][ T2780] RAX: 00000000ffffffa6 RBX: ff1100000e798e40 RCX: 1ff4000000771ee9
[   98.565278][ T2780] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e798efc
[   98.565477][ T2780] RBP: ff1100000922c000 R08: 1fe2200001cf31e1 R09: ff1100000eb8d180
[   98.565677][ T2780] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.565868][ T2780] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000922c000
[   98.566063][ T2780] FS:  00007f8a55c9e840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.566296][ T2780] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.566457][ T2780] CR2: 00007f8a55e9fc20 CR3: 0000000012641003 CR4: 0000000000771ef0
[   98.566660][ T2780] PKRU: 55555554
[   98.566757][ T2780] Call Trace:
[   98.566853][ T2780]  <TASK>
[   98.566921][ T2780]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.567050][ T2780]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.567179][ T2780]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.567278][ T2780]  register_netdevice (net/core/dev.c:11488)
[   98.567415][ T2780]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.567578][ T2780]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   98.567714][ T2780]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   98.567845][ T2780]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   98.567973][ T2780]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   98.568103][ T2780]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   98.568233][ T2780]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   98.568366][ T2780]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   98.568498][ T2780]  ops_init (net/core/net_namespace.c:137)
[   98.568599][ T2780]  setup_net (net/core/net_namespace.c:446)
[   98.568701][ T2780]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.568830][ T2780]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.568958][ T2780]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.569090][ T2780]  copy_net_ns (net/core/net_namespace.c:579)
[   98.569219][ T2780]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.569356][ T2780]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.569486][ T2780]  ksys_unshare (kernel/fork.c:3243)
[   98.569621][ T2780]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.569757][ T2780]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.569889][ T2780]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.570019][ T2780]  ? __ia32_sys_open (fs/open.c:1374)
[   98.570149][ T2780]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.570277][ T2780]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.570409][ T2780]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.570540][ T2780]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.570676][ T2780]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.570805][ T2780]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.570965][ T2780] RIP: 0033:0x7f8a55f60bcb
[   98.571098][ T2780] 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
[   98.571565][ T2780] RSP: 002b:00007ffdf1ea46a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.571762][ T2780] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8a55f60bcb
[   98.571954][ T2780] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.572145][ T2780] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.572341][ T2780] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf1ea68d0
[   98.572539][ T2780] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdf1ea7888
| [   98.576345][ T2780] ------------[ cut here ]------------
| [   98.576480][ T2780] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2780
| [   98.576745][ T2780] Modules linked in: xfrm_user nf_tables
| [   98.577140][ T2780] Tainted: [W]=WARN
[   98.577239][ T2780] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.577410][ T2780] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.577583][ T2780] 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
[   98.578052][ T2780] RSP: 0018:ffa0000003b8f8f8 EFLAGS: 00010286
[   98.578217][ T2780] RAX: 00000000ffffffa6 RBX: ff1100000e928740 RCX: 1ff4000000771ee5
[   98.578419][ T2780] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e9287fc
[   98.578616][ T2780] RBP: ff11000008bd1000 R08: 1fe2200001d25101 R09: ff1100000eb8d180
[   98.578815][ T2780] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.579010][ T2780] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008bd1000
[   98.579205][ T2780] FS:  00007f8a55c9e840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.579440][ T2780] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.579608][ T2780] CR2: 00007f8a55e9fc20 CR3: 0000000012641003 CR4: 0000000000771ef0
[   98.579811][ T2780] PKRU: 55555554
[   98.579908][ T2780] Call Trace:
[   98.580008][ T2780]  <TASK>
[   98.580076][ T2780]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.580206][ T2780]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.580342][ T2780]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.580442][ T2780]  register_netdevice (net/core/dev.c:11488)
[   98.580580][ T2780]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.580747][ T2780]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   98.580881][ T2780]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   98.581013][ T2780]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   98.581145][ T2780]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   98.581277][ T2780]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   98.581412][ T2780]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   98.581546][ T2780]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   98.581683][ T2780]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   98.581818][ T2780]  vti_init_net (net/ipv4/ip_vti.c:517)
[   98.581952][ T2780]  ops_init (net/core/net_namespace.c:137)
[   98.582053][ T2780]  setup_net (net/core/net_namespace.c:446)
[   98.582152][ T2780]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.582282][ T2780]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.582417][ T2780]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.582553][ T2780]  copy_net_ns (net/core/net_namespace.c:579)
[   98.582691][ T2780]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.582826][ T2780]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.582958][ T2780]  ksys_unshare (kernel/fork.c:3243)
[   98.583090][ T2780]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.583221][ T2780]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.583357][ T2780]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.583488][ T2780]  ? __ia32_sys_open (fs/open.c:1374)
[   98.583625][ T2780]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.583762][ T2780]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.583894][ T2780]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.584024][ T2780]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.584154][ T2780]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.584288][ T2780]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.584451][ T2780] RIP: 0033:0x7f8a55f60bcb
[   98.584592][ T2780] 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
[   98.585061][ T2780] RSP: 002b:00007ffdf1ea46a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.585260][ T2780] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8a55f60bcb
[   98.585458][ T2780] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.585662][ T2780] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.585858][ T2780] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf1ea68d0
[   98.586053][ T2780] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdf1ea7888
| [   98.590136][ T2780] ------------[ cut here ]------------
| [   98.590270][ T2780] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2780
| [   98.590534][ T2780] Modules linked in: xfrm_user nf_tables
| [   98.590933][ T2780] Tainted: [W]=WARN
[   98.591031][ T2780] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.591192][ T2780] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.591365][ T2780] 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
[   98.591832][ T2780] RSP: 0018:ffa0000003b8fa78 EFLAGS: 00010286
[   98.591995][ T2780] RAX: 00000000ffffffa6 RBX: ff11000004ecf1c0 RCX: 1ff4000000771f15
[   98.592189][ T2780] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004ecf27c
[   98.592386][ T2780] RBP: ff1100000a2a1000 R08: 1fe22000009d9e51 R09: ff1100000eb8d180
[   98.592583][ T2780] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.592782][ T2780] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a2a1000
[   98.592976][ T2780] FS:  00007f8a55c9e840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.593203][ T2780] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.593390][ T2780] CR2: 00007f8a55e9fc20 CR3: 0000000012641003 CR4: 0000000000771ef0
[   98.593588][ T2780] PKRU: 55555554
[   98.593689][ T2780] Call Trace:
[   98.593785][ T2780]  <TASK>
[   98.593852][ T2780]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.593982][ T2780]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.594112][ T2780]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.594212][ T2780]  register_netdevice (net/core/dev.c:11488)
[   98.594352][ T2780]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.594515][ T2780]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.594648][ T2780]  register_netdev (net/core/dev.c:11552)
[   98.594782][ T2780]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   98.594914][ T2780]  ops_init (net/core/net_namespace.c:137)
[   98.595012][ T2780]  setup_net (net/core/net_namespace.c:446)
[   98.595111][ T2780]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.595239][ T2780]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.595375][ T2780]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.595510][ T2780]  copy_net_ns (net/core/net_namespace.c:579)
[   98.595641][ T2780]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.595779][ T2780]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.595910][ T2780]  ksys_unshare (kernel/fork.c:3243)
[   98.596038][ T2780]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.596168][ T2780]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.596305][ T2780]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.596435][ T2780]  ? __ia32_sys_open (fs/open.c:1374)
[   98.596570][ T2780]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.596704][ T2780]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.596833][ T2780]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.596961][ T2780]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.597088][ T2780]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.597219][ T2780]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.597385][ T2780] RIP: 0033:0x7f8a55f60bcb
[   98.597523][ T2780] 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
[   98.597985][ T2780] RSP: 002b:00007ffdf1ea46a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.598182][ T2780] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8a55f60bcb
[   98.598380][ T2780] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.598575][ T2780] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.598773][ T2780] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf1ea68d0
[   98.598967][ T2780] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdf1ea7888
| [   98.603040][ T2780] ------------[ cut here ]------------
| [   98.603174][ T2780] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2780
| [   98.603437][ T2780] Modules linked in: xfrm_user nf_tables
| [   98.603844][ T2780] Tainted: [W]=WARN
[   98.603942][ T2780] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.604107][ T2780] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.604275][ T2780] 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
[   98.604749][ T2780] RSP: 0018:ffa0000003b8fa68 EFLAGS: 00010286
[   98.604910][ T2780] RAX: 00000000ffffffa6 RBX: ff1100000ea82040 RCX: 1ff4000000771f13
[   98.605107][ T2780] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ea820fc
[   98.605305][ T2780] RBP: ff1100000fd29000 R08: 1fe2200001d50421 R09: ff1100000eb8d180
[   98.605498][ T2780] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.605697][ T2780] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd29000
[   98.605894][ T2780] FS:  00007f8a55c9e840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.606121][ T2780] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.606282][ T2780] CR2: 00007f8a55e9fc20 CR3: 0000000012641003 CR4: 0000000000771ef0
[   98.606483][ T2780] PKRU: 55555554
[   98.606582][ T2780] Call Trace:
[   98.606685][ T2780]  <TASK>
[   98.606754][ T2780]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.606973][ T2780]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.607104][ T2780]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.607203][ T2780]  register_netdevice (net/core/dev.c:11488)
[   98.607341][ T2780]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.607594][ T2780]  register_netdev (net/core/dev.c:11552)
[   98.607728][ T2780]  sit_init_net (net/ipv6/sit.c:1860)
[   98.607861][ T2780]  ops_init (net/core/net_namespace.c:137)
[   98.607960][ T2780]  setup_net (net/core/net_namespace.c:446)
[   98.608060][ T2780]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.608275][ T2780]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.608410][ T2780]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.608545][ T2780]  copy_net_ns (net/core/net_namespace.c:579)
[   98.608682][ T2780]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.608900][ T2780]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.609030][ T2780]  ksys_unshare (kernel/fork.c:3243)
[   98.609161][ T2780]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.609296][ T2780]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.609515][ T2780]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.609647][ T2780]  ? __ia32_sys_open (fs/open.c:1374)
[   98.609784][ T2780]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.609913][ T2780]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.610129][ T2780]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.610257][ T2780]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.610394][ T2780]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.610528][ T2780]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.610779][ T2780] RIP: 0033:0x7f8a55f60bcb
[   98.610914][ T2780] 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
[   98.611471][ T2780] RSP: 002b:00007ffdf1ea46a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.611674][ T2780] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8a55f60bcb
[   98.611957][ T2780] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.612152][ T2780] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.612351][ T2780] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf1ea68d0
[   98.612635][ T2780] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdf1ea7888
| [   98.617541][ T2780] ------------[ cut here ]------------
| [   98.617686][ T2780] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2780
| [   98.618028][ T2780] Modules linked in: xfrm_user nf_tables
| [   98.618429][ T2780] Tainted: [W]=WARN
[   98.618619][ T2780] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.618788][ T2780] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.618957][ T2780] 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
[   98.619521][ T2780] RSP: 0018:ffa0000003b8fa78 EFLAGS: 00010286
[   98.619692][ T2780] RAX: 00000000ffffffa6 RBX: ff11000012198580 RCX: 1ff4000000771f15
[   98.619975][ T2780] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001219863c
[   98.620169][ T2780] RBP: ff110000050f9000 R08: 1fe22000024330c9 R09: ff1100000eb8d180
[   98.620372][ T2780] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.620664][ T2780] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000050f9000
[   98.620861][ T2780] FS:  00007f8a55c9e840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.621178][ T2780] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.621347][ T2780] CR2: 00007f8a55e9fc20 CR3: 0000000012641003 CR4: 0000000000771ef0
[   98.621549][ T2780] PKRU: 55555554
[   98.621738][ T2780] Call Trace:
[   98.621837][ T2780]  <TASK>
[   98.621904][ T2780]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.622036][ T2780]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.622169][ T2780]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.622360][ T2780]  register_netdevice (net/core/dev.c:11488)
[   98.622496][ T2780]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.622665][ T2780]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.622798][ T2780]  register_netdev (net/core/dev.c:11552)
[   98.623014][ T2780]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   98.623147][ T2780]  ops_init (net/core/net_namespace.c:137)
[   98.623246][ T2780]  setup_net (net/core/net_namespace.c:446)
[   98.623351][ T2780]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.623481][ T2780]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.623702][ T2780]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.623834][ T2780]  copy_net_ns (net/core/net_namespace.c:579)
[   98.623965][ T2780]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.624098][ T2780]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.624318][ T2780]  ksys_unshare (kernel/fork.c:3243)
[   98.624447][ T2780]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.624583][ T2780]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.624804][ T2780]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.624935][ T2780]  ? __ia32_sys_open (fs/open.c:1374)
[   98.625068][ T2780]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.625199][ T2780]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.625331][ T2780]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.625550][ T2780]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.625684][ T2780]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.625817][ T2780]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.626063][ T2780] RIP: 0033:0x7f8a55f60bcb
[   98.626200][ T2780] 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
[   98.626770][ T2780] RSP: 002b:00007ffdf1ea46a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.626966][ T2780] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8a55f60bcb
[   98.627161][ T2780] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.627450][ T2780] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.627646][ T2780] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf1ea68d0
[   98.627936][ T2780] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdf1ea7888
| [   98.670363][ T2781] ------------[ cut here ]------------
| [   98.670514][ T2781] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/2781
| [   98.670779][ T2781] Modules linked in: xfrm_user nf_tables
| [   98.671173][ T2781] Tainted: [W]=WARN
[   98.671270][ T2781] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.671438][ T2781] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.671608][ T2781] 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
[   98.672071][ T2781] RSP: 0018:ffa0000003baf020 EFLAGS: 00010286
[   98.672232][ T2781] RAX: 00000000ffffffa6 RBX: ff11000010a88900 RCX: 1ff4000000775dca
[   98.672426][ T2781] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010a889bc
[   98.672621][ T2781] RBP: ff11000008f3c000 R08: 1fe2200002151139 R09: ff11000009b55158
[   98.672823][ T2781] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   98.673015][ T2781] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   98.673206][ T2781] FS:  00007f3c489c7840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[   98.673435][ T2781] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.673600][ T2781] CR2: 000000003ba32988 CR3: 000000000f270004 CR4: 0000000000771ef0
[   98.673796][ T2781] PKRU: 55555554
[   98.673892][ T2781] Call Trace:
[   98.673987][ T2781]  <TASK>
[   98.674054][ T2781]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.674187][ T2781]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.674290][ T2781]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   98.674419][ T2781]  __dev_notify_flags (net/core/dev.c:9787)
[   98.674551][ T2781]  ? netif_change_name (net/core/dev.c:1495)
[   98.674764][ T2781]  ? __dev_change_flags (net/core/dev.c:9752)
[   98.674894][ T2781]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   98.675022][ T2781]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.675152][ T2781]  ? 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))
[   98.675283][ T2781]  netif_change_flags (net/core/dev.c:9820)
[   98.675417][ T2781]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   98.675547][ T2781]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   98.675745][ T2781]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   98.675878][ T2781]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   98.676037][ T2781]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   98.676165][ T2781]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   98.676383][ T2781]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   98.676514][ T2781]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   98.676646][ T2781]  ? __kernel_text_address (kernel/extable.c:79)
[   98.676840][ T2781]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.676971][ T2781]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.677098][ T2781]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   98.677225][ T2781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.677360][ T2781]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.677488][ T2781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.677619][ T2781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.677809][ T2781]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   98.677938][ T2781]  ? __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)
[   98.678066][ T2781]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   98.678195][ T2781]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   98.678329][ T2781]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   98.678460][ T2781]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   98.678595][ T2781]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   98.678789][ T2781]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.678917][ T2781]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   98.679045][ T2781]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   98.679175][ T2781]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   98.679308][ T2781]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.679441][ T2781]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.679572][ T2781]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   98.679704][ T2781]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   98.679832][ T2781]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.679961][ T2781]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   98.680090][ T2781]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   98.680219][ T2781]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   98.680353][ T2781]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   98.680481][ T2781]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.680614][ T2781]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.680748][ T2781]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   98.680877][ T2781]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   98.681007][ T2781]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   98.681135][ T2781]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   98.681267][ T2781]  ? 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))
[   98.681401][ T2781]  ? 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))
[   98.681534][ T2781]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   98.681669][ T2781]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   98.681798][ T2781]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.681928][ T2781]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   98.682057][ T2781]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   98.682187][ T2781]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   98.682324][ T2781]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   98.682457][ T2781]  ? copy_msghdr_from_user (net/socket.c:2635)
[   98.682588][ T2781]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   98.682752][ T2781]  ? move_addr_to_kernel (net/socket.c:258)
[   98.682883][ T2781]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   98.683011][ T2781]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   98.683140][ T2781]  ___sys_sendmsg (net/socket.c:2752)
[   98.683268][ T2781]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   98.683432][ T2781]  ? copy_msghdr_from_user (net/socket.c:2603)
[   98.683578][ T2781]  __sys_sendmsg (net/socket.c:2784)
[   98.683712][ T2781]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   98.683839][ T2781]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   98.684004][ T2781]  ? 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)
[   98.684133][ T2781]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.684264][ T2781]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.684395][ T2781]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.684527][ T2781]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.684660][ T2781]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.684821][ T2781] RIP: 0033:0x7f3c48c0108e
[   98.684958][ T2781] 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
[   98.685422][ T2781] RSP: 002b:00007ffdd92fedb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   98.685620][ T2781] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3c48c0108e
[   98.685820][ T2781] RDX: 0000000000000000 RSI: 00007ffdd92fee60 RDI: 0000000000000005
[   98.686011][ T2781] RBP: 00007ffdd92fedc0 R08: 0000000000000000 R09: 0000000000000000
[   98.686200][ T2781] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d88c
[   98.686395][ T2781] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdd92ff530
| [   98.803691][ T2785] ------------[ cut here ]------------
| [   98.803836][ T2785] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2785
| [   98.804092][ T2785] Modules linked in: xfrm_user nf_tables
| [   98.804495][ T2785] Tainted: [W]=WARN
[   98.804596][ T2785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.804763][ T2785] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.804931][ T2785] 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
[   98.805397][ T2785] RSP: 0018:ffa0000003bcfa80 EFLAGS: 00010286
[   98.805563][ T2785] RAX: 00000000ffffffa6 RBX: ff1100000ea83000 RCX: 1ff4000000779f16
[   98.805760][ T2785] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ea830bc
[   98.805956][ T2785] RBP: ff11000008479000 R08: 1fe2200001d50619 R09: ff11000012988b80
[   98.806151][ T2785] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.806350][ T2785] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008479000
[   98.806549][ T2785] FS:  00007f7c995bc840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.806782][ T2785] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.806946][ T2785] CR2: 00007f7c997bdc20 CR3: 00000000097a7006 CR4: 0000000000771ef0
[   98.807142][ T2785] PKRU: 55555554
[   98.807238][ T2785] Call Trace:
[   98.807339][ T2785]  <TASK>
[   98.807407][ T2785]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.807543][ T2785]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.807679][ T2785]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.807778][ T2785]  register_netdevice (net/core/dev.c:11488)
[   98.807909][ T2785]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.808070][ T2785]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   98.808201][ T2785]  register_netdev (net/core/dev.c:11552)
[   98.808335][ T2785]  loopback_net_init (drivers/net/loopback.c:218)
[   98.808466][ T2785]  ops_init (net/core/net_namespace.c:137)
[   98.808570][ T2785]  setup_net (net/core/net_namespace.c:446)
[   98.808675][ T2785]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.808805][ T2785]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.808935][ T2785]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.809067][ T2785]  copy_net_ns (net/core/net_namespace.c:579)
[   98.809198][ T2785]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.809335][ T2785]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.809467][ T2785]  ksys_unshare (kernel/fork.c:3243)
[   98.809599][ T2785]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.809739][ T2785]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.809870][ T2785]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.810002][ T2785]  ? __ia32_sys_open (fs/open.c:1374)
[   98.810133][ T2785]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.810261][ T2785]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.810395][ T2785]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.810526][ T2785]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.810661][ T2785]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.810791][ T2785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.810950][ T2785] RIP: 0033:0x7f7c9987ebcb
[   98.811085][ T2785] 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
[   98.811557][ T2785] RSP: 002b:00007ffd1e4dcac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.811760][ T2785] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7c9987ebcb
[   98.811953][ T2785] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.812144][ T2785] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.812341][ T2785] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd1e4decf0
[   98.812537][ T2785] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd1e4df887
| [   98.821738][ T2785] ------------[ cut here ]------------
| [   98.821875][ T2785] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2785
| [   98.822131][ T2785] Modules linked in: xfrm_user nf_tables
| [   98.822528][ T2785] Tainted: [W]=WARN
[   98.822626][ T2785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.822792][ T2785] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.822959][ T2785] 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
[   98.823422][ T2785] RSP: 0018:ffa0000003bcf918 EFLAGS: 00010286
[   98.823589][ T2785] RAX: 00000000ffffffa6 RBX: ff11000010a89a80 RCX: 1ff4000000779ee9
[   98.823788][ T2785] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010a89b3c
[   98.823977][ T2785] RBP: ff11000008304000 R08: 1fe2200002151369 R09: ff11000012988b80
[   98.824167][ T2785] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.824363][ T2785] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008304000
[   98.824560][ T2785] FS:  00007f7c995bc840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.824790][ T2785] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.824951][ T2785] CR2: 00007f7c997bdc20 CR3: 00000000097a7006 CR4: 0000000000771ef0
[   98.825146][ T2785] PKRU: 55555554
[   98.825242][ T2785] Call Trace:
[   98.825341][ T2785]  <TASK>
[   98.825408][ T2785]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.825541][ T2785]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.825676][ T2785]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.825775][ T2785]  register_netdevice (net/core/dev.c:11488)
[   98.825906][ T2785]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.826067][ T2785]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   98.826197][ T2785]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   98.826330][ T2785]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   98.826458][ T2785]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   98.826591][ T2785]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   98.826726][ T2785]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   98.826858][ T2785]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   98.826987][ T2785]  ops_init (net/core/net_namespace.c:137)
[   98.827086][ T2785]  setup_net (net/core/net_namespace.c:446)
[   98.827184][ T2785]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.827316][ T2785]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.827445][ T2785]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.827578][ T2785]  copy_net_ns (net/core/net_namespace.c:579)
[   98.827715][ T2785]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.827846][ T2785]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.827975][ T2785]  ksys_unshare (kernel/fork.c:3243)
[   98.828103][ T2785]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.828232][ T2785]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.828365][ T2785]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.828494][ T2785]  ? __ia32_sys_open (fs/open.c:1374)
[   98.828628][ T2785]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.828761][ T2785]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.828891][ T2785]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.829019][ T2785]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.829147][ T2785]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.829277][ T2785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.829441][ T2785] RIP: 0033:0x7f7c9987ebcb
[   98.829578][ T2785] 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
[   98.830043][ T2785] RSP: 002b:00007ffd1e4dcac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.830240][ T2785] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7c9987ebcb
[   98.830440][ T2785] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.830635][ T2785] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.830831][ T2785] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd1e4decf0
[   98.831023][ T2785] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd1e4df887
| [   98.835186][ T2785] ------------[ cut here ]------------
| [   98.835328][ T2785] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2785
| [   98.835589][ T2785] Modules linked in: xfrm_user nf_tables
| [   98.835987][ T2785] Tainted: [W]=WARN
[   98.836084][ T2785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.836247][ T2785] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.836421][ T2785] 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
[   98.836887][ T2785] RSP: 0018:ffa0000003bcf8f8 EFLAGS: 00010286
[   98.837050][ T2785] RAX: 00000000ffffffa6 RBX: ff11000009a57700 RCX: 1ff4000000779ee5
[   98.837245][ T2785] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a577bc
[   98.837443][ T2785] RBP: ff11000012229000 R08: 1fe220000134aef9 R09: ff11000012988b80
[   98.837641][ T2785] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.837930][ T2785] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012229000
[   98.838125][ T2785] FS:  00007f7c995bc840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.838358][ T2785] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.838611][ T2785] CR2: 00007f7c997bdc20 CR3: 00000000097a7006 CR4: 0000000000771ef0
[   98.838810][ T2785] PKRU: 55555554
[   98.838907][ T2785] Call Trace:
[   98.839088][ T2785]  <TASK>
[   98.839156][ T2785]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.839291][ T2785]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.839421][ T2785]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.839521][ T2785]  register_netdevice (net/core/dev.c:11488)
[   98.839744][ T2785]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.839905][ T2785]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   98.840036][ T2785]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   98.840164][ T2785]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   98.840385][ T2785]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   98.840517][ T2785]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   98.840648][ T2785]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   98.840784][ T2785]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   98.840999][ T2785]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   98.841130][ T2785]  vti_init_net (net/ipv4/ip_vti.c:517)
[   98.841258][ T2785]  ops_init (net/core/net_namespace.c:137)
[   98.841361][ T2785]  setup_net (net/core/net_namespace.c:446)
[   98.841549][ T2785]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.841682][ T2785]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.841811][ T2785]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.841941][ T2785]  copy_net_ns (net/core/net_namespace.c:579)
[   98.842156][ T2785]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.842291][ T2785]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.842423][ T2785]  ksys_unshare (kernel/fork.c:3243)
[   98.842554][ T2785]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.842688][ T2785]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.842817][ T2785]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.842946][ T2785]  ? __ia32_sys_open (fs/open.c:1374)
[   98.843077][ T2785]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.843296][ T2785]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.843424][ T2785]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.843557][ T2785]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.843690][ T2785]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.843903][ T2785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.844062][ T2785] RIP: 0033:0x7f7c9987ebcb
[   98.844195][ T2785] 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
[   98.844757][ T2785] RSP: 002b:00007ffd1e4dcac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.844951][ T2785] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7c9987ebcb
[   98.845231][ T2785] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.845426][ T2785] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.845621][ T2785] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd1e4decf0
[   98.845904][ T2785] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd1e4df887
| [   98.850320][ T2785] ------------[ cut here ]------------
| [   98.850454][ T2785] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2785
| [   98.850797][ T2785] Modules linked in: xfrm_user nf_tables
| [   98.851269][ T2785] Tainted: [W]=WARN
[   98.851368][ T2785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.851530][ T2785] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.851699][ T2785] 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
[   98.852153][ T2785] RSP: 0018:ffa0000003bcfa78 EFLAGS: 00010286
[   98.852405][ T2785] RAX: 00000000ffffffa6 RBX: ff1100001243e740 RCX: 1ff4000000779f15
[   98.852599][ T2785] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243e7fc
[   98.852876][ T2785] RBP: ff11000007851000 R08: 1fe2200002487d01 R09: ff11000012988b80
[   98.853066][ T2785] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.853257][ T2785] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007851000
[   98.853542][ T2785] FS:  00007f7c995bc840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.853768][ T2785] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.853928][ T2785] CR2: 00007f7c997bdc20 CR3: 00000000097a7006 CR4: 0000000000771ef0
[   98.854207][ T2785] PKRU: 55555554
[   98.854306][ T2785] Call Trace:
[   98.854400][ T2785]  <TASK>
[   98.854466][ T2785]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.854596][ T2785]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.854815][ T2785]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.854912][ T2785]  register_netdevice (net/core/dev.c:11488)
[   98.855040][ T2785]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.855200][ T2785]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.855421][ T2785]  register_netdev (net/core/dev.c:11552)
[   98.855550][ T2785]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   98.855684][ T2785]  ops_init (net/core/net_namespace.c:137)
[   98.855782][ T2785]  setup_net (net/core/net_namespace.c:446)
[   98.855963][ T2785]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.856090][ T2785]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.856218][ T2785]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.856353][ T2785]  copy_net_ns (net/core/net_namespace.c:579)
[   98.856571][ T2785]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.856706][ T2785]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.856834][ T2785]  ksys_unshare (kernel/fork.c:3243)
[   98.856961][ T2785]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.857173][ T2785]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.857305][ T2785]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.857433][ T2785]  ? __ia32_sys_open (fs/open.c:1374)
[   98.857566][ T2785]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.857781][ T2785]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.857907][ T2785]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.858034][ T2785]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.858162][ T2785]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.858377][ T2785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.858539][ T2785] RIP: 0033:0x7f7c9987ebcb
[   98.858676][ T2785] 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
[   98.859216][ T2785] RSP: 002b:00007ffd1e4dcac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.859416][ T2785] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7c9987ebcb
[   98.859698][ T2785] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.859888][ T2785] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.860162][ T2785] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd1e4decf0
[   98.860357][ T2785] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd1e4df887
| [   98.864441][ T2785] ------------[ cut here ]------------
| [   98.864662][ T2785] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2785
| [   98.864915][ T2785] Modules linked in: xfrm_user nf_tables
| [   98.865392][ T2785] Tainted: [W]=WARN
[   98.865488][ T2785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.865656][ T2785] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.865908][ T2785] 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
[   98.866363][ T2785] RSP: 0018:ffa0000003bcfa68 EFLAGS: 00010286
[   98.866610][ T2785] RAX: 00000000ffffffa6 RBX: ff1100000e929000 RCX: 1ff4000000779f13
[   98.866804][ T2785] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e9290bc
[   98.867079][ T2785] RBP: ff110000087cc000 R08: 1fe2200001d25219 R09: ff11000012988b80
[   98.867267][ T2785] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.867463][ T2785] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000087cc000
[   98.867757][ T2785] FS:  00007f7c995bc840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.867982][ T2785] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.868142][ T2785] CR2: 00007f7c997bdc20 CR3: 00000000097a7006 CR4: 0000000000771ef0
[   98.868420][ T2785] PKRU: 55555554
[   98.868516][ T2785] Call Trace:
[   98.868611][ T2785]  <TASK>
[   98.868682][ T2785]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.868895][ T2785]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.869022][ T2785]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.869119][ T2785]  register_netdevice (net/core/dev.c:11488)
[   98.869248][ T2785]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.869495][ T2785]  register_netdev (net/core/dev.c:11552)
[   98.869624][ T2785]  sit_init_net (net/ipv6/sit.c:1860)
[   98.869759][ T2785]  ops_init (net/core/net_namespace.c:137)
[   98.869857][ T2785]  setup_net (net/core/net_namespace.c:446)
[   98.869956][ T2785]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.870166][ T2785]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.870296][ T2785]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.870425][ T2785]  copy_net_ns (net/core/net_namespace.c:579)
[   98.870557][ T2785]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.870776][ T2785]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.870904][ T2785]  ksys_unshare (kernel/fork.c:3243)
[   98.871030][ T2785]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.871157][ T2785]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.871373][ T2785]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.871502][ T2785]  ? __ia32_sys_open (fs/open.c:1374)
[   98.871635][ T2785]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.871766][ T2785]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.871976][ T2785]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.872105][ T2785]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.872231][ T2785]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.872361][ T2785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.872605][ T2785] RIP: 0033:0x7f7c9987ebcb
[   98.872742][ T2785] 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
[   98.873282][ T2785] RSP: 002b:00007ffd1e4dcac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.873476][ T2785] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7c9987ebcb
[   98.873757][ T2785] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.873944][ T2785] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.874134][ T2785] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd1e4decf0
[   98.874416][ T2785] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd1e4df887
| [   98.879497][ T2785] ------------[ cut here ]------------
| [   98.879634][ T2785] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2785
| [   98.879891][ T2785] Modules linked in: xfrm_user nf_tables
| [   98.880275][ T2785] Tainted: [W]=WARN
[   98.880377][ T2785] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.880542][ T2785] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.880711][ T2785] 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
[   98.881162][ T2785] RSP: 0018:ffa0000003bcfa78 EFLAGS: 00010286
[   98.881325][ T2785] RAX: 00000000ffffffa6 RBX: ff11000009a56040 RCX: 1ff4000000779f15
[   98.881515][ T2785] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a560fc
[   98.881711][ T2785] RBP: ff1100000a339000 R08: 1fe220000134ac21 R09: ff11000012988b80
[   98.881899][ T2785] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   98.882088][ T2785] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a339000
[   98.882278][ T2785] FS:  00007f7c995bc840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   98.882509][ T2785] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.882739][ T2785] CR2: 00007f7c997bdc20 CR3: 00000000097a7006 CR4: 0000000000771ef0
[   98.882932][ T2785] PKRU: 55555554
[   98.883026][ T2785] Call Trace:
[   98.883121][ T2785]  <TASK>
[   98.883187][ T2785]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.883320][ T2785]  ? notifier_call_chain (kernel/notifier.c:85)
[   98.883449][ T2785]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.883550][ T2785]  register_netdevice (net/core/dev.c:11488)
[   98.883747][ T2785]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   98.883906][ T2785]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.884036][ T2785]  register_netdev (net/core/dev.c:11552)
[   98.884162][ T2785]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   98.884296][ T2785]  ops_init (net/core/net_namespace.c:137)
[   98.884394][ T2785]  setup_net (net/core/net_namespace.c:446)
[   98.884491][ T2785]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   98.884775][ T2785]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   98.884903][ T2785]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   98.885032][ T2785]  copy_net_ns (net/core/net_namespace.c:579)
[   98.885159][ T2785]  create_new_namespaces (kernel/nsproxy.c:132)
[   98.885293][ T2785]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   98.885422][ T2785]  ksys_unshare (kernel/fork.c:3243)
[   98.885552][ T2785]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   98.885834][ T2785]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   98.885962][ T2785]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   98.886088][ T2785]  ? __ia32_sys_open (fs/open.c:1374)
[   98.886215][ T2785]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   98.886347][ T2785]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   98.886472][ T2785]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.886601][ T2785]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.886794][ T2785]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.886920][ T2785]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.887076][ T2785] RIP: 0033:0x7f7c9987ebcb
[   98.887210][ T2785] 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
[   98.887737][ T2785] RSP: 002b:00007ffd1e4dcac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   98.887926][ T2785] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7c9987ebcb
[   98.888117][ T2785] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   98.888395][ T2785] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   98.888587][ T2785] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd1e4decf0
[   98.888932][ T2785] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd1e4df887
| [   98.919692][ T2786] ------------[ cut here ]------------
| [   98.919871][ T2786] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2786
| [   98.920163][ T2786] Modules linked in: xfrm_user nf_tables
| [   98.920666][ T2786] Tainted: [W]=WARN
[   98.920806][ T2786] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   98.921011][ T2786] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   98.921220][ T2786] 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
[   98.922159][ T2786] RSP: 0018:ffa0000003b9f020 EFLAGS: 00010286
[   98.922370][ T2786] RAX: 00000000ffffffa6 RBX: ff11000009aa6040 RCX: 1ff4000000773dca
[   98.922614][ T2786] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009aa60fc
[   98.922857][ T2786] RBP: ff11000008479000 R08: 1fe2200001354c21 R09: ff11000013a9ae58
[   98.923087][ T2786] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   98.923327][ T2786] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   98.923573][ T2786] FS:  00007fe9c86ac840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   98.923851][ T2786] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   98.924054][ T2786] CR2: 00000000351cb988 CR3: 0000000012643006 CR4: 0000000000771ef0
[   98.924294][ T2786] PKRU: 55555554
[   98.924434][ T2786] Call Trace:
[   98.924584][ T2786]  <TASK>
[   98.924704][ T2786]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   98.924878][ T2786]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   98.925020][ T2786]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   98.925189][ T2786]  __dev_notify_flags (net/core/dev.c:9787)
[   98.925371][ T2786]  ? netif_change_name (net/core/dev.c:1495)
[   98.925552][ T2786]  ? __dev_change_flags (net/core/dev.c:9752)
[   98.925738][ T2786]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   98.925912][ T2786]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.926085][ T2786]  ? 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))
[   98.926259][ T2786]  netif_change_flags (net/core/dev.c:9820)
[   98.926437][ T2786]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   98.926616][ T2786]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   98.926800][ T2786]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   98.926977][ T2786]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   98.927179][ T2786]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   98.927360][ T2786]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   98.927536][ T2786]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   98.927721][ T2786]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   98.927894][ T2786]  ? __kernel_text_address (kernel/extable.c:79)
[   98.928066][ T2786]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.928243][ T2786]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.928423][ T2786]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   98.928607][ T2786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.928792][ T2786]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   98.928962][ T2786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.929133][ T2786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.929312][ T2786]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   98.929484][ T2786]  ? __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)
[   98.929676][ T2786]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   98.929849][ T2786]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   98.930023][ T2786]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   98.930197][ T2786]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   98.930383][ T2786]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   98.930567][ T2786]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.930752][ T2786]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   98.930925][ T2786]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   98.931098][ T2786]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   98.931269][ T2786]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.931453][ T2786]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.931632][ T2786]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   98.931816][ T2786]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   98.931988][ T2786]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   98.932161][ T2786]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   98.932346][ T2786]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   98.932523][ T2786]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   98.932710][ T2786]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   98.932883][ T2786]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.933057][ T2786]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   98.933227][ T2786]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   98.933408][ T2786]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   98.933588][ T2786]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   98.933777][ T2786]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   98.933953][ T2786]  ? 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))
[   98.934125][ T2786]  ? 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))
[   98.934305][ T2786]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   98.934480][ T2786]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   98.934668][ T2786]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   98.934842][ T2786]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   98.935019][ T2786]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   98.935192][ T2786]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   98.935376][ T2786]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   98.935557][ T2786]  ? copy_msghdr_from_user (net/socket.c:2635)
[   98.935743][ T2786]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   98.935944][ T2786]  ? move_addr_to_kernel (net/socket.c:258)
[   98.936118][ T2786]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   98.936300][ T2786]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   98.936476][ T2786]  ___sys_sendmsg (net/socket.c:2752)
[   98.936667][ T2786]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   98.936869][ T2786]  ? copy_msghdr_from_user (net/socket.c:2603)
[   98.937053][ T2786]  __sys_sendmsg (net/socket.c:2784)
[   98.937227][ T2786]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   98.937408][ T2786]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   98.937624][ T2786]  ? 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)
[   98.937813][ T2786]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   98.937988][ T2786]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   98.938160][ T2786]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   98.938343][ T2786]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   98.938522][ T2786]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   98.938734][ T2786] RIP: 0033:0x7fe9c88e608e
[   98.938911][ T2786] 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
[   98.939414][ T2786] RSP: 002b:00007ffe3987f6f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   98.939685][ T2786] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe9c88e608e
[   98.939920][ T2786] RDX: 0000000000000000 RSI: 00007ffe3987f7a0 RDI: 0000000000000005
[   98.940155][ T2786] RBP: 00007ffe3987f700 R08: 0000000000000000 R09: 0000000000000000
[   98.940394][ T2786] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d88d
[   98.940638][ T2786] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3987fe70
| [   99.059458][ T2790] ------------[ cut here ]------------
| [   99.059650][ T2790] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2790
| [   99.059968][ T2790] Modules linked in: xfrm_user nf_tables
| [   99.060468][ T2790] Tainted: [W]=WARN
[   99.060620][ T2790] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.061077][ T2790] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.061297][ T2790] 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
[   99.061820][ T2790] RSP: 0018:ffa0000003befa80 EFLAGS: 00010286
[   99.062030][ T2790] RAX: 00000000ffffffa6 RBX: ff1100000f1af8c0 RCX: 1ff400000077df16
[   99.062267][ T2790] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1af97c
[   99.062515][ T2790] RBP: ff1100000a351000 R08: 1fe2200001e35f31 R09: ff11000012910b80
[   99.062765][ T2790] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   99.063005][ T2790] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a351000
[   99.063247][ T2790] FS:  00007fd2efc56840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   99.063531][ T2790] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.063754][ T2790] CR2: 00007fd2effcf493 CR3: 000000000e533001 CR4: 0000000000771ef0
[   99.063998][ T2790] PKRU: 55555554
[   99.064141][ T2790] Call Trace:
[   99.064285][ T2790]  <TASK>
[   99.064407][ T2790]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.064591][ T2790]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.064781][ T2790]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.064929][ T2790]  register_netdevice (net/core/dev.c:11488)
[   99.065109][ T2790]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.065327][ T2790]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   99.065508][ T2790]  register_netdev (net/core/dev.c:11552)
[   99.065701][ T2790]  loopback_net_init (drivers/net/loopback.c:218)
[   99.065881][ T2790]  ops_init (net/core/net_namespace.c:137)
[   99.066030][ T2790]  setup_net (net/core/net_namespace.c:446)
[   99.066176][ T2790]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.066361][ T2790]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.066546][ T2790]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.066737][ T2790]  copy_net_ns (net/core/net_namespace.c:579)
[   99.066916][ T2790]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.067097][ T2790]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.067274][ T2790]  ksys_unshare (kernel/fork.c:3243)
[   99.067460][ T2790]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.067647][ T2790]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.067838][ T2790]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.068016][ T2790]  ? __ia32_sys_open (fs/open.c:1374)
[   99.068196][ T2790]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.068382][ T2790]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.068564][ T2790]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.068754][ T2790]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.068931][ T2790]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.069109][ T2790]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.069322][ T2790] RIP: 0033:0x7fd2eff18bcb
[   99.069506][ T2790] 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
[   99.070029][ T2790] RSP: 002b:00007ffd400fe2b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   99.070270][ T2790] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd2eff18bcb
[   99.070520][ T2790] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.070773][ T2790] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.071015][ T2790] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd401004e0
[   99.071255][ T2790] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd40100887
| [   99.081524][ T2790] ------------[ cut here ]------------
| [   99.081852][ T2790] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2790
| [   99.082154][ T2790] Modules linked in: xfrm_user nf_tables
| [   99.082670][ T2790] Tainted: [W]=WARN
[   99.082816][ T2790] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.083026][ T2790] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.083239][ T2790] 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
[   99.083768][ T2790] RSP: 0018:ffa0000003bef918 EFLAGS: 00010286
[   99.083978][ T2790] RAX: 00000000ffffffa6 RBX: ff1100000d528200 RCX: 1ff400000077dee9
[   99.084219][ T2790] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5282bc
[   99.084463][ T2790] RBP: ff11000012b19000 R08: 1fe2200001aa5059 R09: ff11000012910b80
[   99.084724][ T2790] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   99.084964][ T2790] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012b19000
[   99.085208][ T2790] FS:  00007fd2efc56840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   99.085490][ T2790] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.085719][ T2790] CR2: 00007fd2effcf493 CR3: 000000000e533001 CR4: 0000000000771ef0
[   99.085960][ T2790] PKRU: 55555554
[   99.086102][ T2790] Call Trace:
[   99.086246][ T2790]  <TASK>
[   99.086369][ T2790]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.086555][ T2790]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.086745][ T2790]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.086892][ T2790]  register_netdevice (net/core/dev.c:11488)
[   99.087073][ T2790]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.087281][ T2790]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   99.087467][ T2790]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   99.087664][ T2790]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   99.087839][ T2790]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   99.088017][ T2790]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   99.088194][ T2790]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   99.088385][ T2790]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   99.088572][ T2790]  ops_init (net/core/net_namespace.c:137)
[   99.088733][ T2790]  setup_net (net/core/net_namespace.c:446)
[   99.088879][ T2790]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.089053][ T2790]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.089230][ T2790]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.089418][ T2790]  copy_net_ns (net/core/net_namespace.c:579)
[   99.089608][ T2790]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.089799][ T2790]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.089976][ T2790]  ksys_unshare (kernel/fork.c:3243)
[   99.090152][ T2790]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.090336][ T2790]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.090514][ T2790]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.090704][ T2790]  ? __ia32_sys_open (fs/open.c:1374)
[   99.090885][ T2790]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.091059][ T2790]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.091234][ T2790]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.091419][ T2790]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.091602][ T2790]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.091791][ T2790]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.091996][ T2790] RIP: 0033:0x7fd2eff18bcb
[   99.092176][ T2790] 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
[   99.092703][ T2790] RSP: 002b:00007ffd400fe2b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   99.092943][ T2790] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd2eff18bcb
[   99.093180][ T2790] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.093428][ T2790] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.093688][ T2790] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd401004e0
[   99.093925][ T2790] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd40100887
| [   99.098153][ T2790] ------------[ cut here ]------------
| [   99.098329][ T2790] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2790
| [   99.098638][ T2790] Modules linked in: xfrm_user nf_tables
| [   99.099141][ T2790] Tainted: [W]=WARN
[   99.099285][ T2790] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.099504][ T2790] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.099739][ T2790] 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
[   99.100251][ T2790] RSP: 0018:ffa0000003bef8f8 EFLAGS: 00010286
[   99.100468][ T2790] RAX: 00000000ffffffa6 RBX: ff110000154bec80 RCX: 1ff400000077dee5
[   99.100726][ T2790] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000154bed3c
[   99.100965][ T2790] RBP: ff11000012fa4000 R08: 1fe2200002a97da9 R09: ff11000012910b80
[   99.101205][ T2790] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   99.101453][ T2790] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012fa4000
[   99.101718][ T2790] FS:  00007fd2efc56840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   99.101992][ T2790] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.102205][ T2790] CR2: 00007fd2effcf493 CR3: 000000000e533001 CR4: 0000000000771ef0
[   99.102457][ T2790] PKRU: 55555554
[   99.102610][ T2790] Call Trace:
[   99.102767][ T2790]  <TASK>
[   99.102882][ T2790]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.103060][ T2790]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.103238][ T2790]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.103397][ T2790]  register_netdevice (net/core/dev.c:11488)
[   99.103585][ T2790]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.103807][ T2790]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   99.103985][ T2790]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   99.104163][ T2790]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   99.104349][ T2790]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   99.104531][ T2790]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   99.104727][ T2790]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   99.104905][ T2790]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   99.105095][ T2790]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   99.105276][ T2790]  vti_init_net (net/ipv4/ip_vti.c:517)
[   99.105463][ T2790]  ops_init (net/core/net_namespace.c:137)
[   99.105619][ T2790]  setup_net (net/core/net_namespace.c:446)
[   99.105778][ T2790]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.105953][ T2790]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.106133][ T2790]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.106321][ T2790]  copy_net_ns (net/core/net_namespace.c:579)
[   99.106502][ T2790]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.106700][ T2790]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.106879][ T2790]  ksys_unshare (kernel/fork.c:3243)
[   99.107056][ T2790]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.107233][ T2790]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.107420][ T2790]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.107606][ T2790]  ? __ia32_sys_open (fs/open.c:1374)
[   99.107798][ T2790]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.107975][ T2790]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.108153][ T2790]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.108335][ T2790]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.108515][ T2790]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.108706][ T2790]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.108917][ T2790] RIP: 0033:0x7fd2eff18bcb
[   99.109100][ T2790] 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
[   99.109621][ T2790] RSP: 002b:00007ffd400fe2b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   99.109879][ T2790] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd2eff18bcb
[   99.110119][ T2790] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.110365][ T2790] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.110616][ T2790] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd401004e0
[   99.110870][ T2790] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd40100887
| [   99.115396][ T2790] ------------[ cut here ]------------
| [   99.115576][ T2790] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2790
| [   99.115892][ T2790] Modules linked in: xfrm_user nf_tables
| [   99.116385][ T2790] Tainted: [W]=WARN
[   99.116532][ T2790] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.116758][ T2790] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.116974][ T2790] 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
[   99.117485][ T2790] RSP: 0018:ffa0000003befa78 EFLAGS: 00010286
[   99.117715][ T2790] RAX: 00000000ffffffa6 RBX: ff1100000f1aec80 RCX: 1ff400000077df15
[   99.117958][ T2790] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1aed3c
[   99.118198][ T2790] RBP: ff1100000fbf4000 R08: 1fe2200001e35da9 R09: ff11000012910b80
[   99.118444][ T2790] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   99.118701][ T2790] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fbf4000
[   99.118946][ T2790] FS:  00007fd2efc56840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   99.119218][ T2790] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.119432][ T2790] CR2: 00007fd2effcf493 CR3: 000000000e533001 CR4: 0000000000771ef0
[   99.119696][ T2790] PKRU: 55555554
[   99.119839][ T2790] Call Trace:
[   99.119982][ T2790]  <TASK>
[   99.120099][ T2790]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.120275][ T2790]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.120461][ T2790]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.120618][ T2790]  register_netdevice (net/core/dev.c:11488)
[   99.120806][ T2790]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.121013][ T2790]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.121195][ T2790]  register_netdev (net/core/dev.c:11552)
[   99.121385][ T2790]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   99.121573][ T2790]  ops_init (net/core/net_namespace.c:137)
[   99.121733][ T2790]  setup_net (net/core/net_namespace.c:446)
[   99.121880][ T2790]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.122056][ T2790]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.122234][ T2790]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.122421][ T2790]  copy_net_ns (net/core/net_namespace.c:579)
[   99.122612][ T2790]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.122803][ T2790]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.122981][ T2790]  ksys_unshare (kernel/fork.c:3243)
[   99.123158][ T2790]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.123342][ T2790]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.123526][ T2790]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.123719][ T2790]  ? __ia32_sys_open (fs/open.c:1374)
[   99.123901][ T2790]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.124077][ T2790]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.124273][ T2790]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.124459][ T2790]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.124645][ T2790]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.124836][ T2790]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.125043][ T2790] RIP: 0033:0x7fd2eff18bcb
[   99.125225][ T2790] 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
[   99.125759][ T2790] RSP: 002b:00007ffd400fe2b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   99.126002][ T2790] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd2eff18bcb
[   99.126241][ T2790] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.126490][ T2790] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.126749][ T2790] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd401004e0
[   99.126987][ T2790] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd40100887
| [   99.131530][ T2790] ------------[ cut here ]------------
| [   99.131715][ T2790] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2790
| [   99.132015][ T2790] Modules linked in: xfrm_user nf_tables
| [   99.132517][ T2790] Tainted: [W]=WARN
[   99.132681][ T2790] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.132890][ T2790] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.133105][ T2790] 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
[   99.133629][ T2790] RSP: 0018:ffa0000003befa68 EFLAGS: 00010286
[   99.133855][ T2790] RAX: 00000000ffffffa6 RBX: ff1100000d529380 RCX: 1ff400000077df13
[   99.134096][ T2790] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d52943c
[   99.134343][ T2790] RBP: ff11000012f91000 R08: 1fe2200001aa5289 R09: ff11000012910b80
[   99.134594][ T2790] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   99.134848][ T2790] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012f91000
[   99.135092][ T2790] FS:  00007fd2efc56840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   99.135376][ T2790] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.135596][ T2790] CR2: 00007fd2effcf493 CR3: 000000000e533001 CR4: 0000000000771ef0
[   99.135851][ T2790] PKRU: 55555554
[   99.135995][ T2790] Call Trace:
[   99.136139][ T2790]  <TASK>
[   99.136252][ T2790]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.136436][ T2790]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.136621][ T2790]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.136780][ T2790]  register_netdevice (net/core/dev.c:11488)
[   99.136963][ T2790]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.137176][ T2790]  register_netdev (net/core/dev.c:11552)
[   99.137363][ T2790]  sit_init_net (net/ipv6/sit.c:1860)
[   99.137549][ T2790]  ops_init (net/core/net_namespace.c:137)
[   99.137707][ T2790]  setup_net (net/core/net_namespace.c:446)
[   99.137854][ T2790]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.138029][ T2790]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.138210][ T2790]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.138398][ T2790]  copy_net_ns (net/core/net_namespace.c:579)
[   99.138587][ T2790]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.138781][ T2790]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.138960][ T2790]  ksys_unshare (kernel/fork.c:3243)
[   99.139138][ T2790]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.139323][ T2790]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.139509][ T2790]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.139704][ T2790]  ? __ia32_sys_open (fs/open.c:1374)
[   99.139884][ T2790]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.140061][ T2790]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.140334][ T2790]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.140514][ T2790]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.140704][ T2790]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.140887][ T2790]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.141187][ T2790] RIP: 0033:0x7fd2eff18bcb
[   99.141380][ T2790] 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
[   99.142001][ T2790] RSP: 002b:00007ffd400fe2b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   99.142248][ T2790] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd2eff18bcb
[   99.142593][ T2790] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.142848][ T2790] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.143090][ T2790] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd401004e0
[   99.143429][ T2790] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd40100887
| [   99.148978][ T2790] ------------[ cut here ]------------
| [   99.149156][ T2790] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2790
| [   99.149470][ T2790] Modules linked in: xfrm_user nf_tables
| [   99.150064][ T2790] Tainted: [W]=WARN
[   99.150210][ T2790] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.150520][ T2790] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.150755][ T2790] 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
[   99.151362][ T2790] RSP: 0018:ffa0000003befa78 EFLAGS: 00010286
[   99.151584][ T2790] RAX: 00000000ffffffa6 RBX: ff11000005702900 RCX: 1ff400000077df15
[   99.151839][ T2790] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057029bc
[   99.152169][ T2790] RBP: ff1100001389c000 R08: 1fe2200000ae0539 R09: ff11000012910b80
[   99.152418][ T2790] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   99.152768][ T2790] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001389c000
[   99.153012][ T2790] FS:  00007fd2efc56840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   99.153297][ T2790] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.153608][ T2790] CR2: 00007fd2effcf493 CR3: 000000000e533001 CR4: 0000000000771ef0
[   99.153865][ T2790] PKRU: 55555554
[   99.154009][ T2790] Call Trace:
[   99.154154][ T2790]  <TASK>
[   99.154366][ T2790]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.154558][ T2790]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.154750][ T2790]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.154899][ T2790]  register_netdevice (net/core/dev.c:11488)
[   99.155079][ T2790]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.155385][ T2790]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.155580][ T2790]  register_netdev (net/core/dev.c:11552)
[   99.155767][ T2790]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   99.156038][ T2790]  ops_init (net/core/net_namespace.c:137)
[   99.156186][ T2790]  setup_net (net/core/net_namespace.c:446)
[   99.156338][ T2790]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.156520][ T2790]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.156716][ T2790]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.156985][ T2790]  copy_net_ns (net/core/net_namespace.c:579)
[   99.157165][ T2790]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.157356][ T2790]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.157540][ T2790]  ksys_unshare (kernel/fork.c:3243)
[   99.157822][ T2790]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.158000][ T2790]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.158177][ T2790]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.158363][ T2790]  ? __ia32_sys_open (fs/open.c:1374)
[   99.158640][ T2790]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.158834][ T2790]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.159014][ T2790]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.159191][ T2790]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.159466][ T2790]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.159665][ T2790]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.159873][ T2790] RIP: 0033:0x7fd2eff18bcb
[   99.160055][ T2790] 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
[   99.160687][ T2790] RSP: 002b:00007ffd400fe2b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   99.161021][ T2790] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd2eff18bcb
[   99.161261][ T2790] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.161515][ T2790] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.161857][ T2790] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd401004e0
[   99.162098][ T2790] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd40100887
| [   99.199760][ T2791] ------------[ cut here ]------------
| [   99.199910][ T2791] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2791
| [   99.200172][ T2791] Modules linked in: xfrm_user nf_tables
| [   99.200586][ T2791] Tainted: [W]=WARN
[   99.200696][ T2791] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.200860][ T2791] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.201027][ T2791] 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
[   99.201495][ T2791] RSP: 0018:ffa0000003c0f020 EFLAGS: 00010286
[   99.201666][ T2791] RAX: 00000000ffffffa6 RBX: ff110000058551c0 RCX: 1ff4000000781dca
[   99.201858][ T2791] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000585527c
[   99.202050][ T2791] RBP: ff1100000a351000 R08: 1fe2200000b0aa51 R09: ff11000014c9d158
[   99.202245][ T2791] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   99.202444][ T2791] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   99.202645][ T2791] FS:  00007fcda8ff6840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   99.202882][ T2791] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.203044][ T2791] CR2: 0000000034a2f988 CR3: 0000000012dd7006 CR4: 0000000000771ef0
[   99.203238][ T2791] PKRU: 55555554
[   99.203340][ T2791] Call Trace:
[   99.203436][ T2791]  <TASK>
[   99.203507][ T2791]  ? __local_bh_enable_ip (kernel/softirq.c:457 (discriminator 1))
[   99.203637][ T2791]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.203787][ T2791]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.203886][ T2791]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   99.204014][ T2791]  __dev_notify_flags (net/core/dev.c:9787)
[   99.204144][ T2791]  ? netif_change_name (net/core/dev.c:1495)
[   99.204274][ T2791]  ? __dev_change_flags (net/core/dev.c:9752)
[   99.204409][ T2791]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   99.204541][ T2791]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.204679][ T2791]  ? 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))
[   99.204811][ T2791]  netif_change_flags (net/core/dev.c:9820)
[   99.204942][ T2791]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   99.205071][ T2791]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   99.205203][ T2791]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   99.205344][ T2791]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   99.205509][ T2791]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   99.205641][ T2791]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.205830][ T2791]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   99.206015][ T2791]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   99.206144][ T2791]  ? __kernel_text_address (kernel/extable.c:79)
[   99.206275][ T2791]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.206413][ T2791]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.206545][ T2791]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   99.206732][ T2791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.206862][ T2791]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   99.206993][ T2791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.207121][ T2791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.207250][ T2791]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   99.207388][ T2791]  ? __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)
[   99.207520][ T2791]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   99.207693][ T2791]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   99.207825][ T2791]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   99.207958][ T2791]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   99.208091][ T2791]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   99.208222][ T2791]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.208357][ T2791]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.208485][ T2791]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.208617][ T2791]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   99.208750][ T2791]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.208883][ T2791]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.209012][ T2791]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.209140][ T2791]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.209270][ T2791]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.209407][ T2791]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.209542][ T2791]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   99.209676][ T2791]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.209808][ T2791]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.209939][ T2791]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.210071][ T2791]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.210198][ T2791]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.210331][ T2791]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   99.210462][ T2791]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.210595][ T2791]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.210733][ T2791]  ? 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))
[   99.210863][ T2791]  ? 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))
[   99.210996][ T2791]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.211127][ T2791]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.211257][ T2791]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.211392][ T2791]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   99.211525][ T2791]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   99.211660][ T2791]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   99.211793][ T2791]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   99.211924][ T2791]  ? copy_msghdr_from_user (net/socket.c:2635)
[   99.212053][ T2791]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   99.212214][ T2791]  ? move_addr_to_kernel (net/socket.c:258)
[   99.212348][ T2791]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   99.212478][ T2791]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.212613][ T2791]  ___sys_sendmsg (net/socket.c:2752)
[   99.212750][ T2791]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   99.212912][ T2791]  ? copy_msghdr_from_user (net/socket.c:2603)
[   99.213053][ T2791]  __sys_sendmsg (net/socket.c:2784)
[   99.213182][ T2791]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   99.213317][ T2791]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   99.213479][ T2791]  ? 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)
[   99.213612][ T2791]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.213750][ T2791]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.213878][ T2791]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.214007][ T2791]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.214136][ T2791]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.214302][ T2791] RIP: 0033:0x7fcda923008e
[   99.214440][ T2791] 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
[   99.214912][ T2791] RSP: 002b:00007fff02ddb100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.215108][ T2791] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcda923008e
[   99.215305][ T2791] RDX: 0000000000000000 RSI: 00007fff02ddb1b0 RDI: 0000000000000005
[   99.215498][ T2791] RBP: 00007fff02ddb110 R08: 0000000000000000 R09: 0000000000000000
[   99.215701][ T2791] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d88d
[   99.215895][ T2791] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff02ddb880
| [   99.333117][ T2795] ------------[ cut here ]------------
| [   99.333268][ T2795] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2795
| [   99.333543][ T2795] Modules linked in: xfrm_user nf_tables
| [   99.334284][ T2795] Tainted: [W]=WARN
[   99.334389][ T2795] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.334556][ T2795] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.334732][ T2795] 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
[   99.335194][ T2795] RSP: 0018:ffa0000003c4fa80 EFLAGS: 00010286
[   99.335361][ T2795] RAX: 00000000ffffffa6 RBX: ff1100000d68f1c0 RCX: 1ff4000000789f16
[   99.335559][ T2795] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68f27c
[   99.335757][ T2795] RBP: ff1100000a3a9000 R08: 1fe2200001ad1e51 R09: ff1100000e602e80
[   99.335949][ T2795] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   99.336142][ T2795] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a3a9000
[   99.336343][ T2795] FS:  00007f6162316840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   99.336578][ T2795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.336747][ T2795] CR2: 00007f616268f493 CR3: 0000000013aac004 CR4: 0000000000771ef0
[   99.336946][ T2795] PKRU: 55555554
[   99.337044][ T2795] Call Trace:
[   99.337143][ T2795]  <TASK>
[   99.337210][ T2795]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.337346][ T2795]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.337476][ T2795]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.337578][ T2795]  register_netdevice (net/core/dev.c:11488)
[   99.337717][ T2795]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.337878][ T2795]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   99.338011][ T2795]  register_netdev (net/core/dev.c:11552)
[   99.338139][ T2795]  loopback_net_init (drivers/net/loopback.c:218)
[   99.338270][ T2795]  ops_init (net/core/net_namespace.c:137)
[   99.338373][ T2795]  setup_net (net/core/net_namespace.c:446)
[   99.338471][ T2795]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.338603][ T2795]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.338738][ T2795]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.338873][ T2795]  copy_net_ns (net/core/net_namespace.c:579)
[   99.339003][ T2795]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.339135][ T2795]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.339265][ T2795]  ksys_unshare (kernel/fork.c:3243)
[   99.339398][ T2795]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.339532][ T2795]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.339666][ T2795]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.339798][ T2795]  ? __ia32_sys_open (fs/open.c:1374)
[   99.339928][ T2795]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.340057][ T2795]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.340185][ T2795]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.340318][ T2795]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.340449][ T2795]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.340582][ T2795]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.340747][ T2795] RIP: 0033:0x7f61625d8bcb
[   99.340883][ T2795] 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
[   99.341351][ T2795] RSP: 002b:00007ffd6d676958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   99.341546][ T2795] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f61625d8bcb
[   99.341743][ T2795] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.341937][ T2795] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.342129][ T2795] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd6d678b80
[   99.342326][ T2795] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd6d67a887
| [   99.346744][ T2795] ------------[ cut here ]------------
| [   99.346880][ T2795] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2795
| [   99.347132][ T2795] Modules linked in: xfrm_user nf_tables
| [   99.347529][ T2795] Tainted: [W]=WARN
[   99.347626][ T2795] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.347793][ T2795] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.347959][ T2795] 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
[   99.348420][ T2795] RSP: 0018:ffa0000003c4f918 EFLAGS: 00010286
[   99.348586][ T2795] RAX: 00000000ffffffa6 RBX: ff1100000e710580 RCX: 1ff4000000789ee9
[   99.348781][ T2795] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e71063c
[   99.348974][ T2795] RBP: ff11000009881000 R08: 1fe2200001ce20c9 R09: ff1100000e602e80
[   99.349165][ T2795] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   99.349359][ T2795] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009881000
[   99.349558][ T2795] FS:  00007f6162316840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   99.349790][ T2795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.349951][ T2795] CR2: 00007f616268f493 CR3: 0000000013aac004 CR4: 0000000000771ef0
[   99.350145][ T2795] PKRU: 55555554
[   99.350241][ T2795] Call Trace:
[   99.350341][ T2795]  <TASK>
[   99.350407][ T2795]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.350540][ T2795]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.350675][ T2795]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.350774][ T2795]  register_netdevice (net/core/dev.c:11488)
[   99.350904][ T2795]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.351065][ T2795]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   99.351196][ T2795]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   99.351330][ T2795]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   99.351459][ T2795]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   99.351595][ T2795]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   99.351732][ T2795]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   99.351864][ T2795]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   99.351996][ T2795]  ops_init (net/core/net_namespace.c:137)
[   99.352095][ T2795]  setup_net (net/core/net_namespace.c:446)
[   99.352193][ T2795]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.352326][ T2795]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.352455][ T2795]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.352591][ T2795]  copy_net_ns (net/core/net_namespace.c:579)
[   99.352727][ T2795]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.352859][ T2795]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.352989][ T2795]  ksys_unshare (kernel/fork.c:3243)
[   99.353119][ T2795]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.353249][ T2795]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.353383][ T2795]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.353516][ T2795]  ? __ia32_sys_open (fs/open.c:1374)
[   99.353648][ T2795]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.353783][ T2795]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.353913][ T2795]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.354042][ T2795]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.354171][ T2795]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.354304][ T2795]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.354464][ T2795] RIP: 0033:0x7f61625d8bcb
[   99.354602][ T2795] 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
[   99.355068][ T2795] RSP: 002b:00007ffd6d676958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   99.355262][ T2795] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f61625d8bcb
[   99.355461][ T2795] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.355663][ T2795] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.355855][ T2795] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd6d678b80
[   99.356048][ T2795] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd6d67a887
| [   99.359874][ T2795] ------------[ cut here ]------------
| [   99.360012][ T2795] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2795
| [   99.360270][ T2795] Modules linked in: xfrm_user nf_tables
| [   99.360685][ T2795] Tainted: [W]=WARN
[   99.360785][ T2795] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.360950][ T2795] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.361120][ T2795] 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
[   99.361600][ T2795] RSP: 0018:ffa0000003c4f8f8 EFLAGS: 00010286
[   99.361770][ T2795] RAX: 00000000ffffffa6 RBX: ff11000012a38200 RCX: 1ff4000000789ee5
[   99.361965][ T2795] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012a382bc
[   99.362161][ T2795] RBP: ff11000004fb1000 R08: 1fe2200002547059 R09: ff1100000e602e80
[   99.362360][ T2795] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   99.362559][ T2795] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000004fb1000
[   99.362762][ T2795] FS:  00007f6162316840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   99.362992][ T2795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.363157][ T2795] CR2: 00007f616268f493 CR3: 0000000013aac004 CR4: 0000000000771ef0
[   99.363362][ T2795] PKRU: 55555554
[   99.363459][ T2795] Call Trace:
[   99.363561][ T2795]  <TASK>
[   99.363629][ T2795]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.363764][ T2795]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.363898][ T2795]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.363999][ T2795]  register_netdevice (net/core/dev.c:11488)
[   99.364131][ T2795]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.364299][ T2795]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   99.364433][ T2795]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   99.364568][ T2795]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   99.364710][ T2795]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   99.364845][ T2795]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   99.364977][ T2795]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   99.365111][ T2795]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   99.365242][ T2795]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   99.365382][ T2795]  vti_init_net (net/ipv4/ip_vti.c:517)
[   99.365516][ T2795]  ops_init (net/core/net_namespace.c:137)
[   99.365618][ T2795]  setup_net (net/core/net_namespace.c:446)
[   99.365723][ T2795]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.365857][ T2795]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.365988][ T2795]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.366122][ T2795]  copy_net_ns (net/core/net_namespace.c:579)
[   99.366255][ T2795]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.366395][ T2795]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.366533][ T2795]  ksys_unshare (kernel/fork.c:3243)
[   99.366668][ T2795]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.366802][ T2795]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.366935][ T2795]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.367068][ T2795]  ? __ia32_sys_open (fs/open.c:1374)
[   99.367203][ T2795]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.367340][ T2795]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.367473][ T2795]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.367607][ T2795]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.367744][ T2795]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.367875][ T2795]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.368038][ T2795] RIP: 0033:0x7f61625d8bcb
[   99.368174][ T2795] 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
[   99.368647][ T2795] RSP: 002b:00007ffd6d676958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   99.368854][ T2795] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f61625d8bcb
[   99.369051][ T2795] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.369246][ T2795] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.369445][ T2795] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd6d678b80
[   99.369646][ T2795] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd6d67a887
| [   99.373734][ T2795] ------------[ cut here ]------------
| [   99.373873][ T2795] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2795
| [   99.374128][ T2795] Modules linked in: xfrm_user nf_tables
| [   99.374533][ T2795] Tainted: [W]=WARN
[   99.374632][ T2795] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.374803][ T2795] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.374974][ T2795] 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
[   99.375440][ T2795] RSP: 0018:ffa0000003c4fa78 EFLAGS: 00010286
[   99.375610][ T2795] RAX: 00000000ffffffa6 RBX: ff11000013400580 RCX: 1ff4000000789f15
[   99.375811][ T2795] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001340063c
[   99.376006][ T2795] RBP: ff110000127f9000 R08: 1fe22000026800c9 R09: ff1100000e602e80
[   99.376200][ T2795] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   99.376399][ T2795] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000127f9000
[   99.376598][ T2795] FS:  00007f6162316840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   99.376831][ T2795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.376997][ T2795] CR2: 00007f616268f493 CR3: 0000000013aac004 CR4: 0000000000771ef0
[   99.377195][ T2795] PKRU: 55555554
[   99.377299][ T2795] Call Trace:
[   99.377397][ T2795]  <TASK>
[   99.377464][ T2795]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.377599][ T2795]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.377738][ T2795]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.377838][ T2795]  register_netdevice (net/core/dev.c:11488)
[   99.377971][ T2795]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.378133][ T2795]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.378268][ T2795]  register_netdev (net/core/dev.c:11552)
[   99.378403][ T2795]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   99.378538][ T2795]  ops_init (net/core/net_namespace.c:137)
[   99.378637][ T2795]  setup_net (net/core/net_namespace.c:446)
[   99.378741][ T2795]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.378871][ T2795]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.379001][ T2795]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.379132][ T2795]  copy_net_ns (net/core/net_namespace.c:579)
[   99.379262][ T2795]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.379398][ T2795]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.379532][ T2795]  ksys_unshare (kernel/fork.c:3243)
[   99.379667][ T2795]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.379798][ T2795]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.379928][ T2795]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.380062][ T2795]  ? __ia32_sys_open (fs/open.c:1374)
[   99.380194][ T2795]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.380329][ T2795]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.380458][ T2795]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.380593][ T2795]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.380728][ T2795]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.380857][ T2795]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.381017][ T2795] RIP: 0033:0x7f61625d8bcb
[   99.381154][ T2795] 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
[   99.381721][ T2795] RSP: 002b:00007ffd6d676958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   99.381916][ T2795] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f61625d8bcb
[   99.382111][ T2795] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.382396][ T2795] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.382593][ T2795] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd6d678b80
[   99.382880][ T2795] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd6d67a887
| [   99.387348][ T2795] ------------[ cut here ]------------
| [   99.387486][ T2795] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2795
| [   99.387751][ T2795] Modules linked in: xfrm_user nf_tables
| [   99.388150][ T2795] Tainted: [W]=WARN
[   99.388342][ T2795] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.388509][ T2795] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.388686][ T2795] 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
[   99.389242][ T2795] RSP: 0018:ffa0000003c4fa68 EFLAGS: 00010286
[   99.389410][ T2795] RAX: 00000000ffffffa6 RBX: ff1100000e711700 RCX: 1ff4000000789f13
[   99.389699][ T2795] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e7117bc
[   99.389896][ T2795] RBP: ff1100000f8e4000 R08: 1fe2200001ce22f9 R09: ff1100000e602e80
[   99.390178][ T2795] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   99.390379][ T2795] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f8e4000
[   99.390578][ T2795] FS:  00007f6162316840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   99.390810][ T2795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.390974][ T2795] CR2: 00007f616268f493 CR3: 0000000013aac004 CR4: 0000000000771ef0
[   99.391170][ T2795] PKRU: 55555554
[   99.391356][ T2795] Call Trace:
[   99.391453][ T2795]  <TASK>
[   99.391523][ T2795]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.391660][ T2795]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.391791][ T2795]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.391975][ T2795]  register_netdevice (net/core/dev.c:11488)
[   99.392106][ T2795]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.392271][ T2795]  register_netdev (net/core/dev.c:11552)
[   99.392407][ T2795]  sit_init_net (net/ipv6/sit.c:1860)
[   99.392628][ T2795]  ops_init (net/core/net_namespace.c:137)
[   99.392731][ T2795]  setup_net (net/core/net_namespace.c:446)
[   99.392830][ T2795]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.392961][ T2795]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.393175][ T2795]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.393313][ T2795]  copy_net_ns (net/core/net_namespace.c:579)
[   99.393444][ T2795]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.393580][ T2795]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.393716][ T2795]  ksys_unshare (kernel/fork.c:3243)
[   99.393846][ T2795]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.393975][ T2795]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.394104][ T2795]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.394325][ T2795]  ? __ia32_sys_open (fs/open.c:1374)
[   99.394458][ T2795]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.394589][ T2795]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.394723][ T2795]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.394937][ T2795]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.395067][ T2795]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.395196][ T2795]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.395362][ T2795] RIP: 0033:0x7f61625d8bcb
[   99.395590][ T2795] 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
[   99.396142][ T2795] RSP: 002b:00007ffd6d676958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   99.396344][ T2795] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f61625d8bcb
[   99.396540][ T2795] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.396738][ T2795] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.396932][ T2795] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd6d678b80
[   99.397126][ T2795] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd6d67a887
| [   99.402154][ T2795] ------------[ cut here ]------------
| [   99.402296][ T2795] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2795
| [   99.402640][ T2795] Modules linked in: xfrm_user nf_tables
| [   99.403132][ T2795] Tainted: [W]=WARN
[   99.403230][ T2795] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.403401][ T2795] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.403669][ T2795] 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
[   99.404131][ T2795] RSP: 0018:ffa0000003c4fa78 EFLAGS: 00010286
[   99.404386][ T2795] RAX: 00000000ffffffa6 RBX: ff1100001010fc40 RCX: 1ff4000000789f15
[   99.404586][ T2795] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001010fcfc
[   99.404872][ T2795] RBP: ff1100000eb91000 R08: 1fe2200002021fa1 R09: ff1100000e602e80
[   99.405068][ T2795] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   99.405260][ T2795] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eb91000
[   99.405554][ T2795] FS:  00007f6162316840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   99.405788][ T2795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.405950][ T2795] CR2: 00007f616268f493 CR3: 0000000013aac004 CR4: 0000000000771ef0
[   99.406235][ T2795] PKRU: 55555554
[   99.406335][ T2795] Call Trace:
[   99.406431][ T2795]  <TASK>
[   99.406501][ T2795]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.406632][ T2795]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.406767][ T2795]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.406867][ T2795]  register_netdevice (net/core/dev.c:11488)
[   99.406999][ T2795]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.407158][ T2795]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.407379][ T2795]  register_netdev (net/core/dev.c:11552)
[   99.407513][ T2795]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   99.407644][ T2795]  ops_init (net/core/net_namespace.c:137)
[   99.407750][ T2795]  setup_net (net/core/net_namespace.c:446)
[   99.407936][ T2795]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.408065][ T2795]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.408194][ T2795]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.408330][ T2795]  copy_net_ns (net/core/net_namespace.c:579)
[   99.408551][ T2795]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.408688][ T2795]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.408819][ T2795]  ksys_unshare (kernel/fork.c:3243)
[   99.408947][ T2795]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.409161][ T2795]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.409295][ T2795]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.409427][ T2795]  ? __ia32_sys_open (fs/open.c:1374)
[   99.409564][ T2795]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.409782][ T2795]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.409911][ T2795]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.410039][ T2795]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.410170][ T2795]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.410387][ T2795]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.410552][ T2795] RIP: 0033:0x7f61625d8bcb
[   99.410692][ T2795] 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
[   99.411245][ T2795] RSP: 002b:00007ffd6d676958 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   99.411445][ T2795] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f61625d8bcb
[   99.411731][ T2795] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.411927][ T2795] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.412206][ T2795] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd6d678b80
[   99.412406][ T2795] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd6d67a887
| [   99.443312][ T2796] ------------[ cut here ]------------
| [   99.443491][ T2796] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2796
| [   99.443817][ T2796] Modules linked in: xfrm_user nf_tables
| [   99.444311][ T2796] Tainted: [W]=WARN
[   99.444456][ T2796] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.445111][ T2796] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.445331][ T2796] 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
[   99.445852][ T2796] RSP: 0018:ffa0000003c5f020 EFLAGS: 00010286
[   99.446059][ T2796] RAX: 00000000ffffffa6 RBX: ff110000057031c0 RCX: 1ff400000078bdca
[   99.446304][ T2796] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000570327c
[   99.446548][ T2796] RBP: ff1100000a3a9000 R08: 1fe2200000ae0651 R09: ff1100000abaae58
[   99.446795][ T2796] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   99.447032][ T2796] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   99.447270][ T2796] FS:  00007f18578d5840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   99.447557][ T2796] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.447776][ T2796] CR2: 000000001de73988 CR3: 0000000004f2e004 CR4: 0000000000771ef0
[   99.448017][ T2796] PKRU: 55555554
[   99.448160][ T2796] Call Trace:
[   99.448309][ T2796]  <TASK>
[   99.448423][ T2796]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.448610][ T2796]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.448769][ T2796]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   99.448945][ T2796]  __dev_notify_flags (net/core/dev.c:9787)
[   99.449123][ T2796]  ? netif_change_name (net/core/dev.c:1495)
[   99.449307][ T2796]  ? __dev_change_flags (net/core/dev.c:9752)
[   99.449484][ T2796]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   99.449677][ T2796]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.449855][ T2796]  ? 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))
[   99.450035][ T2796]  netif_change_flags (net/core/dev.c:9820)
[   99.450211][ T2796]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   99.450395][ T2796]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   99.450584][ T2796]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   99.450770][ T2796]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   99.450978][ T2796]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   99.451156][ T2796]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.451343][ T2796]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   99.451524][ T2796]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   99.451717][ T2796]  ? __kernel_text_address (kernel/extable.c:79)
[   99.451893][ T2796]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.452070][ T2796]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.452245][ T2796]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   99.452431][ T2796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.452620][ T2796]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   99.452806][ T2796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.452981][ T2796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.453157][ T2796]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   99.453337][ T2796]  ? __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)
[   99.453513][ T2796]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   99.453704][ T2796]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   99.453881][ T2796]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   99.454061][ T2796]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   99.454238][ T2796]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   99.454425][ T2796]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.454607][ T2796]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.454796][ T2796]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.454971][ T2796]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   99.455145][ T2796]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.455331][ T2796]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.455509][ T2796]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.455700][ T2796]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.455877][ T2796]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.456053][ T2796]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.456230][ T2796]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   99.456414][ T2796]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.456594][ T2796]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.456786][ T2796]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.456964][ T2796]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.457138][ T2796]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.457321][ T2796]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   99.457497][ T2796]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.457695][ T2796]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.457874][ T2796]  ? 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))
[   99.458048][ T2796]  ? 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))
[   99.458229][ T2796]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.458414][ T2796]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.458597][ T2796]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.458788][ T2796]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   99.458966][ T2796]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   99.459142][ T2796]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   99.459328][ T2796]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   99.459507][ T2796]  ? copy_msghdr_from_user (net/socket.c:2635)
[   99.459701][ T2796]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   99.459905][ T2796]  ? move_addr_to_kernel (net/socket.c:258)
[   99.460082][ T2796]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   99.460256][ T2796]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.460437][ T2796]  ___sys_sendmsg (net/socket.c:2752)
[   99.460618][ T2796]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   99.460839][ T2796]  ? copy_msghdr_from_user (net/socket.c:2603)
[   99.461026][ T2796]  __sys_sendmsg (net/socket.c:2784)
[   99.461201][ T2796]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   99.461382][ T2796]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   99.461599][ T2796]  ? 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)
[   99.461787][ T2796]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.461963][ T2796]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.462139][ T2796]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.462323][ T2796]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.462501][ T2796]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.462726][ T2796] RIP: 0033:0x7f1857b0f08e
[   99.462908][ T2796] 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
[   99.463418][ T2796] RSP: 002b:00007fffc6285cf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.463677][ T2796] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f1857b0f08e
[   99.463913][ T2796] RDX: 0000000000000000 RSI: 00007fffc6285da0 RDI: 0000000000000005
[   99.464151][ T2796] RBP: 00007fffc6285d00 R08: 0000000000000000 R09: 0000000000000000
[   99.464399][ T2796] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d88d
[   99.464645][ T2796] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc6286470
| [   99.579365][ T2800] ------------[ cut here ]------------
| [   99.579514][ T2800] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2800
| [   99.579772][ T2800] Modules linked in: xfrm_user nf_tables
| [   99.580162][ T2800] Tainted: [W]=WARN
[   99.580258][ T2800] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.580424][ T2800] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.580592][ T2800] 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
[   99.581049][ T2800] RSP: 0018:ffa0000003c9fa80 EFLAGS: 00010286
[   99.581209][ T2800] RAX: 00000000ffffffa6 RBX: ff1100001010e740 RCX: 1ff4000000793f16
[   99.581403][ T2800] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001010e7fc
[   99.581595][ T2800] RBP: ff11000012b1c000 R08: 1fe2200002021d01 R09: ff1100000fb3d180
[   99.581787][ T2800] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   99.581975][ T2800] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012b1c000
[   99.582165][ T2800] FS:  00007ffa1f7ca840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   99.582391][ T2800] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.582553][ T2800] CR2: 00007ffa1f9cbc20 CR3: 0000000013413006 CR4: 0000000000771ef0
[   99.582749][ T2800] PKRU: 55555554
[   99.582844][ T2800] Call Trace:
[   99.582937][ T2800]  <TASK>
[   99.583003][ T2800]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.583128][ T2800]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.583255][ T2800]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.583356][ T2800]  register_netdevice (net/core/dev.c:11488)
[   99.583483][ T2800]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.583644][ T2800]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   99.583776][ T2800]  register_netdev (net/core/dev.c:11552)
[   99.583903][ T2800]  loopback_net_init (drivers/net/loopback.c:218)
[   99.584028][ T2800]  ops_init (net/core/net_namespace.c:137)
[   99.584123][ T2800]  setup_net (net/core/net_namespace.c:446)
[   99.584217][ T2800]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.584347][ T2800]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.584471][ T2800]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.584601][ T2800]  copy_net_ns (net/core/net_namespace.c:579)
[   99.584736][ T2800]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.584863][ T2800]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.584988][ T2800]  ksys_unshare (kernel/fork.c:3243)
[   99.585111][ T2800]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.585237][ T2800]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.585367][ T2800]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.585494][ T2800]  ? __ia32_sys_open (fs/open.c:1374)
[   99.585624][ T2800]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.585754][ T2800]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.585878][ T2800]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.586003][ T2800]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.586127][ T2800]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.586253][ T2800]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.586414][ T2800] RIP: 0033:0x7ffa1fa8cbcb
[   99.586547][ T2800] 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
[   99.586999][ T2800] RSP: 002b:00007ffd4afbc468 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   99.587187][ T2800] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ffa1fa8cbcb
[   99.587380][ T2800] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.587569][ T2800] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.587759][ T2800] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd4afbe690
[   99.587944][ T2800] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd4afc0887
| [   99.591589][ T2800] ------------[ cut here ]------------
| [   99.592209][ T2800] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2800
| [   99.592464][ T2800] Modules linked in: xfrm_user nf_tables
| [   99.592899][ T2800] Tainted: [W]=WARN
[   99.592995][ T2800] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.593152][ T2800] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.593321][ T2800] 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
[   99.593810][ T2800] RSP: 0018:ffa0000003c9f918 EFLAGS: 00010286
[   99.593971][ T2800] RAX: 00000000ffffffa6 RBX: ff1100000b82f1c0 RCX: 1ff4000000793ee9
[   99.594156][ T2800] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b82f27c
[   99.594348][ T2800] RBP: ff1100000963c000 R08: 1fe2200001705e51 R09: ff1100000fb3d180
[   99.594538][ T2800] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   99.594726][ T2800] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000963c000
[   99.594914][ T2800] FS:  00007ffa1f7ca840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   99.595131][ T2800] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.595290][ T2800] CR2: 00007ffa1f9cbc20 CR3: 0000000013413006 CR4: 0000000000771ef0
[   99.595479][ T2800] PKRU: 55555554
[   99.595576][ T2800] Call Trace:
[   99.595673][ T2800]  <TASK>
[   99.595738][ T2800]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.595863][ T2800]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.595987][ T2800]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.596082][ T2800]  register_netdevice (net/core/dev.c:11488)
[   99.596208][ T2800]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.596365][ T2800]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   99.596492][ T2800]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   99.596622][ T2800]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   99.596753][ T2800]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   99.596880][ T2800]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   99.597005][ T2800]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   99.597131][ T2800]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   99.597255][ T2800]  ops_init (net/core/net_namespace.c:137)
[   99.597359][ T2800]  setup_net (net/core/net_namespace.c:446)
[   99.597453][ T2800]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.597580][ T2800]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.597710][ T2800]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.597836][ T2800]  copy_net_ns (net/core/net_namespace.c:579)
[   99.597960][ T2800]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.598087][ T2800]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.598213][ T2800]  ksys_unshare (kernel/fork.c:3243)
[   99.598362][ T2800]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.598488][ T2800]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.598615][ T2800]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.598746][ T2800]  ? __ia32_sys_open (fs/open.c:1374)
[   99.598871][ T2800]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.598994][ T2800]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.599118][ T2800]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.599243][ T2800]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.599372][ T2800]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.599497][ T2800]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.599657][ T2800] RIP: 0033:0x7ffa1fa8cbcb
[   99.599785][ T2800] 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
[   99.600226][ T2800] RSP: 002b:00007ffd4afbc468 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   99.600420][ T2800] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ffa1fa8cbcb
[   99.600606][ T2800] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.600796][ T2800] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.600982][ T2800] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd4afbe690
[   99.601164][ T2800] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd4afc0887
| [   99.605963][ T2800] ------------[ cut here ]------------
| [   99.606097][ T2800] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2800
| [   99.606349][ T2800] Modules linked in: xfrm_user nf_tables
| [   99.606739][ T2800] Tainted: [W]=WARN
[   99.606837][ T2800] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.606996][ T2800] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.607159][ T2800] 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
[   99.607615][ T2800] RSP: 0018:ffa0000003c9f8f8 EFLAGS: 00010286
[   99.607779][ T2800] RAX: 00000000ffffffa6 RBX: ff11000012ab7000 RCX: 1ff4000000793ee5
[   99.607966][ T2800] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012ab70bc
[   99.608154][ T2800] RBP: ff1100000964c000 R08: 1fe2200002556e19 R09: ff1100000fb3d180
[   99.608346][ T2800] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   99.608538][ T2800] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000964c000
[   99.608730][ T2800] FS:  00007ffa1f7ca840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   99.608949][ T2800] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.609106][ T2800] CR2: 00007ffa1f9cbc20 CR3: 0000000013413006 CR4: 0000000000771ef0
[   99.609301][ T2800] PKRU: 55555554
[   99.609396][ T2800] Call Trace:
[   99.609489][ T2800]  <TASK>
[   99.609557][ T2800]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.609687][ T2800]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.609812][ T2800]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.609908][ T2800]  register_netdevice (net/core/dev.c:11488)
[   99.610034][ T2800]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.610193][ T2800]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   99.610327][ T2800]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   99.610452][ T2800]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   99.610578][ T2800]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   99.610710][ T2800]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   99.610836][ T2800]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   99.610963][ T2800]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   99.611091][ T2800]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   99.611219][ T2800]  vti_init_net (net/ipv4/ip_vti.c:517)
[   99.611349][ T2800]  ops_init (net/core/net_namespace.c:137)
[   99.611447][ T2800]  setup_net (net/core/net_namespace.c:446)
[   99.611544][ T2800]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.611727][ T2800]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.611854][ T2800]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.611981][ T2800]  copy_net_ns (net/core/net_namespace.c:579)
[   99.612109][ T2800]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.612238][ T2800]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.612369][ T2800]  ksys_unshare (kernel/fork.c:3243)
[   99.612495][ T2800]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.612625][ T2800]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.612860][ T2800]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.612986][ T2800]  ? __ia32_sys_open (fs/open.c:1374)
[   99.613114][ T2800]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.613238][ T2800]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.613367][ T2800]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.613492][ T2800]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.613620][ T2800]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.613798][ T2800]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.613954][ T2800] RIP: 0033:0x7ffa1fa8cbcb
[   99.614084][ T2800] 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
[   99.614542][ T2800] RSP: 002b:00007ffd4afbc468 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   99.614786][ T2800] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ffa1fa8cbcb
[   99.614975][ T2800] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.615161][ T2800] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.615353][ T2800] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd4afbe690
[   99.615543][ T2800] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd4afc0887
| [   99.625776][ T2800] ------------[ cut here ]------------
| [   99.625909][ T2800] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2800
| [   99.626154][ T2800] Modules linked in: xfrm_user nf_tables
| [   99.626545][ T2800] Tainted: [W]=WARN
[   99.626640][ T2800] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.626803][ T2800] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.626966][ T2800] 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
[   99.627420][ T2800] RSP: 0018:ffa0000003c9fa78 EFLAGS: 00010286
[   99.627582][ T2800] RAX: 00000000ffffffa6 RBX: ff11000012a398c0 RCX: 1ff4000000793f15
[   99.627773][ T2800] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012a3997c
[   99.627959][ T2800] RBP: ff1100000965c000 R08: 1fe2200002547331 R09: ff1100000fb3d180
[   99.628146][ T2800] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   99.628338][ T2800] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000965c000
[   99.628531][ T2800] FS:  00007ffa1f7ca840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   99.628758][ T2800] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.628918][ T2800] CR2: 00007ffa1f9cbc20 CR3: 0000000013413006 CR4: 0000000000771ef0
[   99.629108][ T2800] PKRU: 55555554
[   99.629200][ T2800] Call Trace:
[   99.629299][ T2800]  <TASK>
[   99.629365][ T2800]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.629491][ T2800]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.629620][ T2800]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.629722][ T2800]  register_netdevice (net/core/dev.c:11488)
[   99.629851][ T2800]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.630007][ T2800]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.630134][ T2800]  register_netdev (net/core/dev.c:11552)
[   99.630258][ T2800]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   99.630391][ T2800]  ops_init (net/core/net_namespace.c:137)
[   99.630488][ T2800]  setup_net (net/core/net_namespace.c:446)
[   99.630586][ T2800]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.630717][ T2800]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.630843][ T2800]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.630970][ T2800]  copy_net_ns (net/core/net_namespace.c:579)
[   99.631096][ T2800]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.631222][ T2800]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.631352][ T2800]  ksys_unshare (kernel/fork.c:3243)
[   99.631478][ T2800]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.631606][ T2800]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.631736][ T2800]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.631862][ T2800]  ? __ia32_sys_open (fs/open.c:1374)
[   99.631987][ T2800]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.632110][ T2800]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.632233][ T2800]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.632361][ T2800]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.632484][ T2800]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.632614][ T2800]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.632772][ T2800] RIP: 0033:0x7ffa1fa8cbcb
[   99.632901][ T2800] 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
[   99.633345][ T2800] RSP: 002b:00007ffd4afbc468 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   99.633535][ T2800] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ffa1fa8cbcb
[   99.633727][ T2800] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.633912][ T2800] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.634097][ T2800] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd4afbe690
[   99.634282][ T2800] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd4afc0887
| [   99.638147][ T2800] ------------[ cut here ]------------
| [   99.638278][ T2800] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2800
| [   99.638533][ T2800] Modules linked in: xfrm_user nf_tables
| [   99.638917][ T2800] Tainted: [W]=WARN
[   99.639011][ T2800] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.639168][ T2800] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.639332][ T2800] 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
[   99.639783][ T2800] RSP: 0018:ffa0000003c9fa68 EFLAGS: 00010286
[   99.639941][ T2800] RAX: 00000000ffffffa6 RBX: ff1100000d68ec80 RCX: 1ff4000000793f13
[   99.640128][ T2800] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d68ed3c
[   99.640318][ T2800] RBP: ff11000007849000 R08: 1fe2200001ad1da9 R09: ff1100000fb3d180
[   99.640509][ T2800] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   99.640700][ T2800] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007849000
[   99.640891][ T2800] FS:  00007ffa1f7ca840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   99.641110][ T2800] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.641268][ T2800] CR2: 00007ffa1f9cbc20 CR3: 0000000013413006 CR4: 0000000000771ef0
[   99.641460][ T2800] PKRU: 55555554
[   99.641557][ T2800] Call Trace:
[   99.641656][ T2800]  <TASK>
[   99.641723][ T2800]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.641849][ T2800]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.641974][ T2800]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.642070][ T2800]  register_netdevice (net/core/dev.c:11488)
[   99.642196][ T2800]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.642358][ T2800]  register_netdev (net/core/dev.c:11552)
[   99.642484][ T2800]  sit_init_net (net/ipv6/sit.c:1860)
[   99.642613][ T2800]  ops_init (net/core/net_namespace.c:137)
[   99.642713][ T2800]  setup_net (net/core/net_namespace.c:446)
[   99.642808][ T2800]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.642932][ T2800]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.643058][ T2800]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.643185][ T2800]  copy_net_ns (net/core/net_namespace.c:579)
[   99.643318][ T2800]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.643448][ T2800]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.643574][ T2800]  ksys_unshare (kernel/fork.c:3243)
[   99.643708][ T2800]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.643832][ T2800]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.643956][ T2800]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.644082][ T2800]  ? __ia32_sys_open (fs/open.c:1374)
[   99.644209][ T2800]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.644337][ T2800]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.644464][ T2800]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.644592][ T2800]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.644723][ T2800]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.644847][ T2800]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.645000][ T2800] RIP: 0033:0x7ffa1fa8cbcb
[   99.645128][ T2800] 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
[   99.645578][ T2800] RSP: 002b:00007ffd4afbc468 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   99.645771][ T2800] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ffa1fa8cbcb
[   99.645955][ T2800] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.646140][ T2800] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.646331][ T2800] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd4afbe690
[   99.646517][ T2800] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd4afc0887
| [   99.650628][ T2800] ------------[ cut here ]------------
| [   99.650764][ T2800] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2800
| [   99.651009][ T2800] Modules linked in: xfrm_user nf_tables
| [   99.651393][ T2800] Tainted: [W]=WARN
[   99.651487][ T2800] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.651646][ T2800] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.651815][ T2800] 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
[   99.652257][ T2800] RSP: 0018:ffa0000003c9fa78 EFLAGS: 00010286
[   99.652419][ T2800] RAX: 00000000ffffffa6 RBX: ff110000154bf1c0 RCX: 1ff4000000793f15
[   99.652606][ T2800] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000154bf27c
[   99.652798][ T2800] RBP: ff11000013301000 R08: 1fe2200002a97e51 R09: ff1100000fb3d180
[   99.652986][ T2800] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   99.653173][ T2800] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013301000
[   99.653365][ T2800] FS:  00007ffa1f7ca840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   99.653589][ T2800] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.653752][ T2800] CR2: 00007ffa1f9cbc20 CR3: 0000000013413006 CR4: 0000000000771ef0
[   99.653941][ T2800] PKRU: 55555554
[   99.654034][ T2800] Call Trace:
[   99.654126][ T2800]  <TASK>
[   99.654190][ T2800]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.654318][ T2800]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.654445][ T2800]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.654545][ T2800]  register_netdevice (net/core/dev.c:11488)
[   99.654681][ T2800]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.654837][ T2800]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.654966][ T2800]  register_netdev (net/core/dev.c:11552)
[   99.655092][ T2800]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   99.655217][ T2800]  ops_init (net/core/net_namespace.c:137)
[   99.655319][ T2800]  setup_net (net/core/net_namespace.c:446)
[   99.655415][ T2800]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.655544][ T2800]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.655674][ T2800]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.655799][ T2800]  copy_net_ns (net/core/net_namespace.c:579)
[   99.655927][ T2800]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.656055][ T2800]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.656182][ T2800]  ksys_unshare (kernel/fork.c:3243)
[   99.656313][ T2800]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.656440][ T2800]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.656568][ T2800]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.656698][ T2800]  ? __ia32_sys_open (fs/open.c:1374)
[   99.656826][ T2800]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.656951][ T2800]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.657076][ T2800]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.657201][ T2800]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.657332][ T2800]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.657461][ T2800]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.657619][ T2800] RIP: 0033:0x7ffa1fa8cbcb
[   99.657754][ T2800] 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
[   99.658202][ T2800] RSP: 002b:00007ffd4afbc468 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   99.658399][ T2800] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007ffa1fa8cbcb
[   99.658590][ T2800] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.658783][ T2800] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.658969][ T2800] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd4afbe690
[   99.659158][ T2800] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd4afc0887
| [   99.700892][ T2801] ------------[ cut here ]------------
| [   99.701073][ T2801] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2801
| [   99.701384][ T2801] Modules linked in: xfrm_user nf_tables
| [   99.702058][ T2801] Tainted: [W]=WARN
[   99.702200][ T2801] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.702420][ T2801] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.702643][ T2801] 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
[   99.703152][ T2801] RSP: 0018:ffa0000003c9f020 EFLAGS: 00010286
[   99.703368][ T2801] RAX: 00000000ffffffa6 RBX: ff1100000d529700 RCX: 1ff4000000793dca
[   99.703613][ T2801] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d5297bc
[   99.703862][ T2801] RBP: ff11000012b1c000 R08: 1fe2200001aa52f9 R09: ff1100000fb3ae58
[   99.704099][ T2801] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   99.704344][ T2801] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   99.704591][ T2801] FS:  00007f8e8a87f840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   99.704874][ T2801] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.705082][ T2801] CR2: 000000003b4af988 CR3: 0000000009617005 CR4: 0000000000771ef0
[   99.705328][ T2801] PKRU: 55555554
[   99.705470][ T2801] Call Trace:
[   99.705619][ T2801]  <TASK>
[   99.705743][ T2801]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.705923][ T2801]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.706068][ T2801]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   99.706241][ T2801]  __dev_notify_flags (net/core/dev.c:9787)
[   99.706427][ T2801]  ? netif_change_name (net/core/dev.c:1495)
[   99.706611][ T2801]  ? __dev_change_flags (net/core/dev.c:9752)
[   99.706799][ T2801]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   99.706974][ T2801]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.707153][ T2801]  ? 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))
[   99.707338][ T2801]  netif_change_flags (net/core/dev.c:9820)
[   99.707520][ T2801]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   99.707711][ T2801]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   99.707890][ T2801]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   99.708067][ T2801]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   99.708276][ T2801]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   99.708460][ T2801]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.708646][ T2801]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   99.708835][ T2801]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   99.709011][ T2801]  ? __kernel_text_address (kernel/extable.c:79)
[   99.709188][ T2801]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.709371][ T2801]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.709555][ T2801]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   99.709747][ T2801]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.709925][ T2801]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   99.710099][ T2801]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.710273][ T2801]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.710458][ T2801]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   99.710642][ T2801]  ? __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)
[   99.710830][ T2801]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   99.711009][ T2801]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   99.711187][ T2801]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   99.711371][ T2801]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   99.711555][ T2801]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   99.711746][ T2801]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.711920][ T2801]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.712097][ T2801]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.712270][ T2801]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   99.712454][ T2801]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.712641][ T2801]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.712828][ T2801]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.713003][ T2801]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.713181][ T2801]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.713365][ T2801]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.713548][ T2801]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   99.713738][ T2801]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.713913][ T2801]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.714087][ T2801]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.714264][ T2801]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.714448][ T2801]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.714631][ T2801]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   99.714819][ T2801]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.714995][ T2801]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.715177][ T2801]  ? 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))
[   99.715360][ T2801]  ? 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))
[   99.715543][ T2801]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.715733][ T2801]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.715908][ T2801]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.716086][ T2801]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   99.716264][ T2801]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   99.716452][ T2801]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   99.716639][ T2801]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   99.716828][ T2801]  ? copy_msghdr_from_user (net/socket.c:2635)
[   99.717003][ T2801]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   99.717209][ T2801]  ? move_addr_to_kernel (net/socket.c:258)
[   99.717394][ T2801]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   99.717579][ T2801]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.717770][ T2801]  ___sys_sendmsg (net/socket.c:2752)
[   99.717946][ T2801]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   99.718153][ T2801]  ? copy_msghdr_from_user (net/socket.c:2603)
[   99.718348][ T2801]  __sys_sendmsg (net/socket.c:2784)
[   99.718527][ T2801]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   99.718714][ T2801]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   99.718924][ T2801]  ? 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)
[   99.719103][ T2801]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.719281][ T2801]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.719465][ T2801]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.719647][ T2801]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.719837][ T2801]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.720042][ T2801] RIP: 0033:0x7f8e8aab908e
[   99.720222][ T2801] 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
[   99.720755][ T2801] RSP: 002b:00007ffe6f7bb690 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.720994][ T2801] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8e8aab908e
[   99.721230][ T2801] RDX: 0000000000000000 RSI: 00007ffe6f7bb740 RDI: 0000000000000005
[   99.721477][ T2801] RBP: 00007ffe6f7bb6a0 R08: 0000000000000000 R09: 0000000000000000
[   99.721731][ T2801] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d88d
[   99.721968][ T2801] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe6f7bbe10
| [   99.844631][ T2805] ------------[ cut here ]------------
| [   99.844824][ T2805] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2805
| [   99.845087][ T2805] Modules linked in: xfrm_user nf_tables
| [   99.845494][ T2805] Tainted: [W]=WARN
[   99.845596][ T2805] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.845763][ T2805] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.845933][ T2805] 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
[   99.846403][ T2805] RSP: 0018:ffa0000003cbfa80 EFLAGS: 00010286
[   99.846571][ T2805] RAX: 00000000ffffffa6 RBX: ff1100001246e3c0 RCX: 1ff4000000797f16
[   99.846771][ T2805] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246e47c
[   99.846963][ T2805] RBP: ff110000133ec000 R08: 1fe220000248dc91 R09: ff1100000eb2ae80
[   99.847158][ T2805] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   99.847355][ T2805] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000133ec000
[   99.847552][ T2805] FS:  00007fe1d43bb840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   99.847784][ T2805] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.847946][ T2805] CR2: 00007fe1d45bcc20 CR3: 0000000013047005 CR4: 0000000000771ef0
[   99.848140][ T2805] PKRU: 55555554
[   99.848238][ T2805] Call Trace:
[   99.848339][ T2805]  <TASK>
[   99.848407][ T2805]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.848541][ T2805]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.848675][ T2805]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.848773][ T2805]  register_netdevice (net/core/dev.c:11488)
[   99.848903][ T2805]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.849066][ T2805]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   99.849196][ T2805]  register_netdev (net/core/dev.c:11552)
[   99.849332][ T2805]  loopback_net_init (drivers/net/loopback.c:218)
[   99.849463][ T2805]  ops_init (net/core/net_namespace.c:137)
[   99.849567][ T2805]  setup_net (net/core/net_namespace.c:446)
[   99.849668][ T2805]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.849798][ T2805]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.849929][ T2805]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.850062][ T2805]  copy_net_ns (net/core/net_namespace.c:579)
[   99.850193][ T2805]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.850333][ T2805]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.850464][ T2805]  ksys_unshare (kernel/fork.c:3243)
[   99.850597][ T2805]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.850730][ T2805]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.850859][ T2805]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.850990][ T2805]  ? __ia32_sys_open (fs/open.c:1374)
[   99.851120][ T2805]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.851248][ T2805]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.851381][ T2805]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.851513][ T2805]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.851642][ T2805]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.851779][ T2805]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.851938][ T2805] RIP: 0033:0x7fe1d467dbcb
[   99.852072][ T2805] 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
[   99.852537][ T2805] RSP: 002b:00007ffd038d0868 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   99.852736][ T2805] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1d467dbcb
[   99.852927][ T2805] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.853118][ T2805] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.853315][ T2805] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd038d2a90
[   99.853511][ T2805] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd038d3887
| [   99.857649][ T2805] ------------[ cut here ]------------
| [   99.857792][ T2805] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2805
| [   99.858047][ T2805] Modules linked in: xfrm_user nf_tables
| [   99.858447][ T2805] Tainted: [W]=WARN
[   99.858548][ T2805] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.858715][ T2805] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.858881][ T2805] 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
[   99.859345][ T2805] RSP: 0018:ffa0000003cbf918 EFLAGS: 00010286
[   99.859512][ T2805] RAX: 00000000ffffffa6 RBX: ff1100000d364580 RCX: 1ff4000000797ee9
[   99.859712][ T2805] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d36463c
[   99.859903][ T2805] RBP: ff11000013329000 R08: 1fe2200001a6c8c9 R09: ff1100000eb2ae80
[   99.860096][ T2805] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   99.860287][ T2805] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013329000
[   99.860486][ T2805] FS:  00007fe1d43bb840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   99.860720][ T2805] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.860880][ T2805] CR2: 00007fe1d45bcc20 CR3: 0000000013047005 CR4: 0000000000771ef0
[   99.861073][ T2805] PKRU: 55555554
[   99.861171][ T2805] Call Trace:
[   99.861267][ T2805]  <TASK>
[   99.861339][ T2805]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.861468][ T2805]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.861601][ T2805]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.861706][ T2805]  register_netdevice (net/core/dev.c:11488)
[   99.861836][ T2805]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.861999][ T2805]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   99.862130][ T2805]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   99.862262][ T2805]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   99.862394][ T2805]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   99.862529][ T2805]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   99.862665][ T2805]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   99.862795][ T2805]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   99.862924][ T2805]  ops_init (net/core/net_namespace.c:137)
[   99.863022][ T2805]  setup_net (net/core/net_namespace.c:446)
[   99.863122][ T2805]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.863251][ T2805]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.863385][ T2805]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.863517][ T2805]  copy_net_ns (net/core/net_namespace.c:579)
[   99.863648][ T2805]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.863785][ T2805]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.863914][ T2805]  ksys_unshare (kernel/fork.c:3243)
[   99.864044][ T2805]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.864173][ T2805]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.864305][ T2805]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.864435][ T2805]  ? __ia32_sys_open (fs/open.c:1374)
[   99.864568][ T2805]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.864699][ T2805]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.864827][ T2805]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.864954][ T2805]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.865084][ T2805]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.865213][ T2805]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.865378][ T2805] RIP: 0033:0x7fe1d467dbcb
[   99.865515][ T2805] 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
[   99.865979][ T2805] RSP: 002b:00007ffd038d0868 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   99.866175][ T2805] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1d467dbcb
[   99.866373][ T2805] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.866566][ T2805] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.866762][ T2805] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd038d2a90
[   99.866954][ T2805] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd038d3887
| [   99.870793][ T2805] ------------[ cut here ]------------
| [   99.870930][ T2805] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2805
| [   99.871190][ T2805] Modules linked in: xfrm_user nf_tables
| [   99.871596][ T2805] Tainted: [W]=WARN
[   99.871701][ T2805] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.871866][ T2805] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.872035][ T2805] 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
[   99.872502][ T2805] RSP: 0018:ffa0000003cbf8f8 EFLAGS: 00010286
[   99.872673][ T2805] RAX: 00000000ffffffa6 RBX: ff1100000d365540 RCX: 1ff4000000797ee5
[   99.872870][ T2805] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3655fc
[   99.873066][ T2805] RBP: ff11000013339000 R08: 1fe2200001a6cac1 R09: ff1100000eb2ae80
[   99.873260][ T2805] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   99.873462][ T2805] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013339000
[   99.873667][ T2805] FS:  00007fe1d43bb840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   99.873895][ T2805] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.874059][ T2805] CR2: 00007fe1d45bcc20 CR3: 0000000013047005 CR4: 0000000000771ef0
[   99.874255][ T2805] PKRU: 55555554
[   99.874359][ T2805] Call Trace:
[   99.874459][ T2805]  <TASK>
[   99.874532][ T2805]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.874667][ T2805]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.874799][ T2805]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.874898][ T2805]  register_netdevice (net/core/dev.c:11488)
[   99.875030][ T2805]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.875193][ T2805]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   99.875331][ T2805]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   99.875464][ T2805]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   99.875598][ T2805]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   99.875734][ T2805]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   99.875865][ T2805]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   99.875996][ T2805]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   99.876127][ T2805]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   99.876260][ T2805]  vti_init_net (net/ipv4/ip_vti.c:517)
[   99.876395][ T2805]  ops_init (net/core/net_namespace.c:137)
[   99.876496][ T2805]  setup_net (net/core/net_namespace.c:446)
[   99.876599][ T2805]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.876734][ T2805]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.876864][ T2805]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.876997][ T2805]  copy_net_ns (net/core/net_namespace.c:579)
[   99.877130][ T2805]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.877264][ T2805]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.877401][ T2805]  ksys_unshare (kernel/fork.c:3243)
[   99.877537][ T2805]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.877672][ T2805]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.877804][ T2805]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.877936][ T2805]  ? __ia32_sys_open (fs/open.c:1374)
[   99.878069][ T2805]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.878201][ T2805]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.878336][ T2805]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.878467][ T2805]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.878602][ T2805]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.878739][ T2805]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.878903][ T2805] RIP: 0033:0x7fe1d467dbcb
[   99.879039][ T2805] 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
[   99.879511][ T2805] RSP: 002b:00007ffd038d0868 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   99.879714][ T2805] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1d467dbcb
[   99.879910][ T2805] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.880104][ T2805] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.880303][ T2805] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd038d2a90
[   99.880499][ T2805] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd038d3887
| [   99.891580][ T2805] ------------[ cut here ]------------
| [   99.891727][ T2805] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2805
| [   99.891983][ T2805] Modules linked in: xfrm_user nf_tables
| [   99.892383][ T2805] Tainted: [W]=WARN
[   99.892482][ T2805] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.892645][ T2805] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.892820][ T2805] 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
[   99.893277][ T2805] RSP: 0018:ffa0000003cbfa78 EFLAGS: 00010286
[   99.893446][ T2805] RAX: 00000000ffffffa6 RBX: ff1100001243f8c0 RCX: 1ff4000000797f15
[   99.893642][ T2805] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243f97c
[   99.893840][ T2805] RBP: ff11000013871000 R08: 1fe2200002487f31 R09: ff1100000eb2ae80
[   99.894033][ T2805] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   99.894227][ T2805] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013871000
[   99.894427][ T2805] FS:  00007fe1d43bb840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   99.894664][ T2805] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.894830][ T2805] CR2: 00007fe1d45bcc20 CR3: 0000000013047005 CR4: 0000000000771ef0
[   99.895024][ T2805] PKRU: 55555554
[   99.895121][ T2805] Call Trace:
[   99.895217][ T2805]  <TASK>
[   99.895283][ T2805]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.895416][ T2805]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.895547][ T2805]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.895645][ T2805]  register_netdevice (net/core/dev.c:11488)
[   99.895830][ T2805]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.895991][ T2805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.896123][ T2805]  register_netdev (net/core/dev.c:11552)
[   99.896252][ T2805]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   99.896386][ T2805]  ops_init (net/core/net_namespace.c:137)
[   99.896487][ T2805]  setup_net (net/core/net_namespace.c:446)
[   99.896588][ T2805]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.896724][ T2805]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.896853][ T2805]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.896983][ T2805]  copy_net_ns (net/core/net_namespace.c:579)
[   99.897112][ T2805]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.897244][ T2805]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.897379][ T2805]  ksys_unshare (kernel/fork.c:3243)
[   99.897510][ T2805]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.897640][ T2805]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.897775][ T2805]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.897905][ T2805]  ? __ia32_sys_open (fs/open.c:1374)
[   99.898035][ T2805]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.898163][ T2805]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.898297][ T2805]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.898426][ T2805]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.898560][ T2805]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.898695][ T2805]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.898854][ T2805] RIP: 0033:0x7fe1d467dbcb
[   99.898987][ T2805] 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
[   99.899447][ T2805] RSP: 002b:00007ffd038d0868 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   99.899642][ T2805] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1d467dbcb
[   99.899840][ T2805] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.900031][ T2805] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.900223][ T2805] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd038d2a90
[   99.900422][ T2805] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd038d3887
| [   99.904456][ T2805] ------------[ cut here ]------------
| [   99.904600][ T2805] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2805
| [   99.905350][ T2805] Modules linked in: xfrm_user nf_tables
| [   99.905810][ T2805] Tainted: [W]=WARN
[   99.905909][ T2805] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.906074][ T2805] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.906240][ T2805] 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
[   99.906766][ T2805] RSP: 0018:ffa0000003cbfa68 EFLAGS: 00010286
[   99.906930][ T2805] RAX: 00000000ffffffa6 RBX: ff11000012ff2ac0 RCX: 1ff4000000797f13
[   99.907178][ T2805] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012ff2b7c
[   99.907379][ T2805] RBP: ff11000012fb9000 R08: 1fe22000025fe571 R09: ff1100000eb2ae80
[   99.907575][ T2805] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   99.907814][ T2805] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012fb9000
[   99.908009][ T2805] FS:  00007fe1d43bb840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   99.908234][ T2805] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.908398][ T2805] CR2: 00007fe1d45bcc20 CR3: 0000000013047005 CR4: 0000000000771ef0
[   99.908595][ T2805] PKRU: 55555554
[   99.908696][ T2805] Call Trace:
[   99.908794][ T2805]  <TASK>
[   99.908861][ T2805]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.908989][ T2805]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.909118][ T2805]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.909216][ T2805]  register_netdevice (net/core/dev.c:11488)
[   99.909351][ T2805]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.909516][ T2805]  register_netdev (net/core/dev.c:11552)
[   99.909646][ T2805]  sit_init_net (net/ipv6/sit.c:1860)
[   99.909783][ T2805]  ops_init (net/core/net_namespace.c:137)
[   99.909881][ T2805]  setup_net (net/core/net_namespace.c:446)
[   99.909978][ T2805]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.910106][ T2805]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.910232][ T2805]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.910366][ T2805]  copy_net_ns (net/core/net_namespace.c:579)
[   99.910494][ T2805]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.910629][ T2805]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.910761][ T2805]  ksys_unshare (kernel/fork.c:3243)
[   99.910890][ T2805]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.911017][ T2805]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.911145][ T2805]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.911274][ T2805]  ? __ia32_sys_open (fs/open.c:1374)
[   99.911407][ T2805]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.911540][ T2805]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.911673][ T2805]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.911801][ T2805]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.911929][ T2805]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.912058][ T2805]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.912215][ T2805] RIP: 0033:0x7fe1d467dbcb
[   99.912352][ T2805] 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
[   99.912820][ T2805] RSP: 002b:00007ffd038d0868 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   99.913013][ T2805] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1d467dbcb
[   99.913205][ T2805] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.913402][ T2805] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.913598][ T2805] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd038d2a90
[   99.913794][ T2805] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd038d3887
| [   99.919128][ T2805] ------------[ cut here ]------------
| [   99.919264][ T2805] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2805
| [   99.919534][ T2805] Modules linked in: xfrm_user nf_tables
| [   99.919934][ T2805] Tainted: [W]=WARN
[   99.920033][ T2805] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.920194][ T2805] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.920368][ T2805] 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
[   99.920836][ T2805] RSP: 0018:ffa0000003cbfa78 EFLAGS: 00010286
[   99.920999][ T2805] RAX: 00000000ffffffa6 RBX: ff1100000bd903c0 RCX: 1ff4000000797f15
[   99.921192][ T2805] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd9047c
[   99.921390][ T2805] RBP: ff110000087d9000 R08: 1fe22000017b2091 R09: ff1100000eb2ae80
[   99.921590][ T2805] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   99.921789][ T2805] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000087d9000
[   99.921984][ T2805] FS:  00007fe1d43bb840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[   99.922210][ T2805] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.922381][ T2805] CR2: 00007fe1d45bcc20 CR3: 0000000013047005 CR4: 0000000000771ef0
[   99.922579][ T2805] PKRU: 55555554
[   99.922681][ T2805] Call Trace:
[   99.922777][ T2805]  <TASK>
[   99.922843][ T2805]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.922973][ T2805]  ? notifier_call_chain (kernel/notifier.c:85)
[   99.923103][ T2805]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.923203][ T2805]  register_netdevice (net/core/dev.c:11488)
[   99.923336][ T2805]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   99.923496][ T2805]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.923632][ T2805]  register_netdev (net/core/dev.c:11552)
[   99.923766][ T2805]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   99.923897][ T2805]  ops_init (net/core/net_namespace.c:137)
[   99.923997][ T2805]  setup_net (net/core/net_namespace.c:446)
[   99.924096][ T2805]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   99.924225][ T2805]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   99.924358][ T2805]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   99.924489][ T2805]  copy_net_ns (net/core/net_namespace.c:579)
[   99.924624][ T2805]  create_new_namespaces (kernel/nsproxy.c:132)
[   99.924816][ T2805]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   99.924945][ T2805]  ksys_unshare (kernel/fork.c:3243)
[   99.925075][ T2805]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   99.925204][ T2805]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   99.925337][ T2805]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   99.925467][ T2805]  ? __ia32_sys_open (fs/open.c:1374)
[   99.925603][ T2805]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   99.925787][ T2805]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   99.925971][ T2805]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.926101][ T2805]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.926231][ T2805]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.926367][ T2805]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.926530][ T2805] RIP: 0033:0x7fe1d467dbcb
[   99.926719][ T2805] 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
[   99.927176][ T2805] RSP: 002b:00007ffd038d0868 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   99.927376][ T2805] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1d467dbcb
[   99.927573][ T2805] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   99.927823][ T2805] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   99.928015][ T2805] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd038d2a90
[   99.928210][ T2805] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd038d3887
| [   99.960894][ T2806] ------------[ cut here ]------------
| [   99.961075][ T2806] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2806
| [   99.961388][ T2806] Modules linked in: xfrm_user nf_tables
| [   99.961897][ T2806] Tainted: [W]=WARN
[   99.962041][ T2806] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   99.962247][ T2806] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   99.962469][ T2806] 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
[   99.963536][ T2806] RSP: 0018:ffa0000003ccf020 EFLAGS: 00010286
[   99.963813][ T2806] RAX: 00000000ffffffa6 RBX: ff1100000b8d9700 RCX: 1ff4000000799dca
[   99.964108][ T2806] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8d97bc
[   99.964409][ T2806] RBP: ff110000133ec000 R08: 1fe220000171b2f9 R09: ff11000013820b58
[   99.964721][ T2806] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   99.965013][ T2806] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   99.965322][ T2806] FS:  00007f34cd6b7840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[   99.965667][ T2806] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   99.965930][ T2806] CR2: 0000000006fbc988 CR3: 0000000009626003 CR4: 0000000000771ef0
[   99.966227][ T2806] PKRU: 55555554
[   99.966437][ T2806] Call Trace:
[   99.966642][ T2806]  <TASK>
[   99.966823][ T2806]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   99.967054][ T2806]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   99.967252][ T2806]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   99.967488][ T2806]  __dev_notify_flags (net/core/dev.c:9787)
[   99.967737][ T2806]  ? netif_change_name (net/core/dev.c:1495)
[   99.967965][ T2806]  ? __dev_change_flags (net/core/dev.c:9752)
[   99.968197][ T2806]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   99.968437][ T2806]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.968690][ T2806]  ? 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))
[   99.968923][ T2806]  netif_change_flags (net/core/dev.c:9820)
[   99.969154][ T2806]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   99.969393][ T2806]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   99.969634][ T2806]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   99.969882][ T2806]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   99.970143][ T2806]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   99.970379][ T2806]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.970619][ T2806]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   99.970860][ T2806]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   99.971090][ T2806]  ? __kernel_text_address (kernel/extable.c:79)
[   99.971330][ T2806]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.971568][ T2806]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.971810][ T2806]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   99.972040][ T2806]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.972268][ T2806]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   99.972488][ T2806]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.972681][ T2806]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.972857][ T2806]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   99.973037][ T2806]  ? __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)
[   99.973212][ T2806]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   99.973398][ T2806]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   99.973584][ T2806]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   99.973775][ T2806]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   99.973956][ T2806]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   99.974134][ T2806]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.974315][ T2806]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.974495][ T2806]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.974690][ T2806]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   99.974865][ T2806]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.975045][ T2806]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.975219][ T2806]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.975400][ T2806]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.975584][ T2806]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   99.975777][ T2806]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   99.975953][ T2806]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   99.976130][ T2806]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.976310][ T2806]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.976487][ T2806]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.976684][ T2806]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   99.976857][ T2806]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   99.977033][ T2806]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   99.977213][ T2806]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   99.977398][ T2806]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   99.977587][ T2806]  ? 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))
[   99.977774][ T2806]  ? 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))
[   99.977951][ T2806]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   99.978128][ T2806]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   99.978312][ T2806]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   99.978489][ T2806]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   99.978688][ T2806]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   99.978864][ T2806]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   99.979043][ T2806]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   99.979218][ T2806]  ? copy_msghdr_from_user (net/socket.c:2635)
[   99.979402][ T2806]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   99.979614][ T2806]  ? move_addr_to_kernel (net/socket.c:258)
[   99.979802][ T2806]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   99.979979][ T2806]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   99.980159][ T2806]  ___sys_sendmsg (net/socket.c:2752)
[   99.980343][ T2806]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   99.980559][ T2806]  ? copy_msghdr_from_user (net/socket.c:2603)
[   99.980763][ T2806]  __sys_sendmsg (net/socket.c:2784)
[   99.980940][ T2806]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   99.981114][ T2806]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   99.981333][ T2806]  ? 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)
[   99.981513][ T2806]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   99.981705][ T2806]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   99.981880][ T2806]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   99.982055][ T2806]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   99.982232][ T2806]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   99.982448][ T2806] RIP: 0033:0x7f34cd8f108e
[   99.982638][ T2806] 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
[   99.983149][ T2806] RSP: 002b:00007fffa62822e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   99.983395][ T2806] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f34cd8f108e
[   99.983642][ T2806] RDX: 0000000000000000 RSI: 00007fffa6282390 RDI: 0000000000000005
[   99.983891][ T2806] RBP: 00007fffa62822f0 R08: 0000000000000000 R09: 0000000000000000
[   99.984129][ T2806] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d88e
[   99.984375][ T2806] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa6282a60
| [  100.091124][ T2810] ------------[ cut here ]------------
| [  100.091325][ T2810] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2810
| [  100.091643][ T2810] Modules linked in: xfrm_user nf_tables
| [  100.092152][ T2810] Tainted: [W]=WARN
[  100.092317][ T2810] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.092547][ T2810] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.092780][ T2810] 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
[  100.093302][ T2810] RSP: 0018:ffa0000003d0fa80 EFLAGS: 00010286
[  100.093517][ T2810] RAX: 00000000ffffffa6 RBX: ff11000010928740 RCX: 1ff40000007a1f16
[  100.093768][ T2810] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109287fc
[  100.094008][ T2810] RBP: ff110000130c9000 R08: 1fe2200002125101 R09: ff1100000e60ae80
[  100.094250][ T2810] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  100.094501][ T2810] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000130c9000
[  100.094765][ T2810] FS:  00007fd59a41c840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  100.095041][ T2810] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.095252][ T2810] CR2: 00007fd59a61dc20 CR3: 000000001308f003 CR4: 0000000000771ef0
[  100.095500][ T2810] PKRU: 55555554
[  100.095667][ T2810] Call Trace:
[  100.095811][ T2810]  <TASK>
[  100.095925][ T2810]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.096105][ T2810]  ? notifier_call_chain (kernel/notifier.c:85)
[  100.096282][ T2810]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.096437][ T2810]  register_netdevice (net/core/dev.c:11488)
[  100.096623][ T2810]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  100.096845][ T2810]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  100.097024][ T2810]  register_netdev (net/core/dev.c:11552)
[  100.097201][ T2810]  loopback_net_init (drivers/net/loopback.c:218)
[  100.097389][ T2810]  ops_init (net/core/net_namespace.c:137)
[  100.097543][ T2810]  setup_net (net/core/net_namespace.c:446)
[  100.097702][ T2810]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  100.097879][ T2810]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  100.098057][ T2810]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  100.098236][ T2810]  copy_net_ns (net/core/net_namespace.c:579)
[  100.098424][ T2810]  create_new_namespaces (kernel/nsproxy.c:132)
[  100.098615][ T2810]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  100.098803][ T2810]  ksys_unshare (kernel/fork.c:3243)
[  100.098981][ T2810]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  100.099158][ T2810]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  100.099346][ T2810]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  100.099530][ T2810]  ? __ia32_sys_open (fs/open.c:1374)
[  100.099728][ T2810]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  100.099904][ T2810]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  100.100083][ T2810]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.100259][ T2810]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.100443][ T2810]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.100627][ T2810]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.100847][ T2810] RIP: 0033:0x7fd59a6debcb
[  100.101030][ T2810] 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
[  100.101550][ T2810] RSP: 002b:00007ffc9ff3b7e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  100.101804][ T2810] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd59a6debcb
[  100.102044][ T2810] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  100.102282][ T2810] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  100.102539][ T2810] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc9ff3da10
[  100.102790][ T2810] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc9ff3f888
| [  100.113079][ T2810] ------------[ cut here ]------------
| [  100.113255][ T2810] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2810
| [  100.113569][ T2810] Modules linked in: xfrm_user nf_tables
| [  100.114072][ T2810] Tainted: [W]=WARN
[  100.114216][ T2810] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.114431][ T2810] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.114667][ T2810] 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
[  100.115172][ T2810] RSP: 0018:ffa0000003d0f918 EFLAGS: 00010286
[  100.115392][ T2810] RAX: 00000000ffffffa6 RBX: ff110000109211c0 RCX: 1ff40000007a1ee9
[  100.115646][ T2810] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001092127c
[  100.115898][ T2810] RBP: ff110000130ec000 R08: 1fe2200002124251 R09: ff1100000e60ae80
[  100.116136][ T2810] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  100.116383][ T2810] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000130ec000
[  100.116632][ T2810] FS:  00007fd59a41c840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  100.116916][ T2810] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.117127][ T2810] CR2: 00007fd59a61dc20 CR3: 000000001308f003 CR4: 0000000000771ef0
[  100.117375][ T2810] PKRU: 55555554
[  100.117523][ T2810] Call Trace:
[  100.117682][ T2810]  <TASK>
[  100.117797][ T2810]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.117973][ T2810]  ? notifier_call_chain (kernel/notifier.c:85)
[  100.118151][ T2810]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.118304][ T2810]  register_netdevice (net/core/dev.c:11488)
[  100.118484][ T2810]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  100.118709][ T2810]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  100.118889][ T2810]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[  100.119067][ T2810]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[  100.119243][ T2810]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[  100.119432][ T2810]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[  100.119621][ T2810]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[  100.119813][ T2810]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[  100.119991][ T2810]  ops_init (net/core/net_namespace.c:137)
[  100.120138][ T2810]  setup_net (net/core/net_namespace.c:446)
[  100.120284][ T2810]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  100.120468][ T2810]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  100.120665][ T2810]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  100.120845][ T2810]  copy_net_ns (net/core/net_namespace.c:579)
[  100.121024][ T2810]  create_new_namespaces (kernel/nsproxy.c:132)
[  100.121203][ T2810]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  100.121390][ T2810]  ksys_unshare (kernel/fork.c:3243)
[  100.121577][ T2810]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  100.121766][ T2810]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  100.121943][ T2810]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  100.122122][ T2810]  ? __ia32_sys_open (fs/open.c:1374)
[  100.122310][ T2810]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  100.122486][ T2810]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  100.122683][ T2810]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.122860][ T2810]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.123037][ T2810]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.123215][ T2810]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.123433][ T2810] RIP: 0033:0x7fd59a6debcb
[  100.123624][ T2810] 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
[  100.124142][ T2810] RSP: 002b:00007ffc9ff3b7e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  100.124395][ T2810] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd59a6debcb
[  100.124663][ T2810] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  100.124899][ T2810] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  100.125135][ T2810] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc9ff3da10
[  100.125383][ T2810] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc9ff3f888
| [  100.129614][ T2810] ------------[ cut here ]------------
| [  100.130395][ T2810] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2810
| [  100.130722][ T2810] Modules linked in: xfrm_user nf_tables
| [  100.131217][ T2810] Tainted: [W]=WARN
[  100.131370][ T2810] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.131587][ T2810] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.131816][ T2810] 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
[  100.132335][ T2810] RSP: 0018:ffa0000003d0f8f8 EFLAGS: 00010286
[  100.132555][ T2810] RAX: 00000000ffffffa6 RBX: ff11000010920200 RCX: 1ff40000007a1ee5
[  100.132808][ T2810] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109202bc
[  100.133051][ T2810] RBP: ff11000012fb1000 R08: 1fe2200002124059 R09: ff1100000e60ae80
[  100.133298][ T2810] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  100.133545][ T2810] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012fb1000
[  100.133800][ T2810] FS:  00007fd59a41c840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  100.134164][ T2810] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.134385][ T2810] CR2: 00007fd59a61dc20 CR3: 000000001308f003 CR4: 0000000000771ef0
[  100.134737][ T2810] PKRU: 55555554
[  100.134883][ T2810] Call Trace:
[  100.135027][ T2810]  <TASK>
[  100.135142][ T2810]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.135326][ T2810]  ? notifier_call_chain (kernel/notifier.c:85)
[  100.135603][ T2810]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.135768][ T2810]  register_netdevice (net/core/dev.c:11488)
[  100.135948][ T2810]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  100.136158][ T2810]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  100.136433][ T2810]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[  100.136623][ T2810]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[  100.136817][ T2810]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[  100.136996][ T2810]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[  100.137266][ T2810]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[  100.137455][ T2810]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[  100.137644][ T2810]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  100.137838][ T2810]  vti_init_net (net/ipv4/ip_vti.c:517)
[  100.138104][ T2810]  ops_init (net/core/net_namespace.c:137)
[  100.138251][ T2810]  setup_net (net/core/net_namespace.c:446)
[  100.138407][ T2810]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  100.138590][ T2810]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  100.138786][ T2810]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  100.139053][ T2810]  copy_net_ns (net/core/net_namespace.c:579)
[  100.139233][ T2810]  create_new_namespaces (kernel/nsproxy.c:132)
[  100.139425][ T2810]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  100.139617][ T2810]  ksys_unshare (kernel/fork.c:3243)
[  100.139892][ T2810]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  100.140075][ T2810]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  100.140253][ T2810]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  100.140440][ T2810]  ? __ia32_sys_open (fs/open.c:1374)
[  100.140729][ T2810]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  100.140908][ T2810]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  100.141085][ T2810]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.141263][ T2810]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.141539][ T2810]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.141736][ T2810]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.141944][ T2810] RIP: 0033:0x7fd59a6debcb
[  100.142128][ T2810] 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
[  100.142756][ T2810] RSP: 002b:00007ffc9ff3b7e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  100.143094][ T2810] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd59a6debcb
[  100.143338][ T2810] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  100.143591][ T2810] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  100.143933][ T2810] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc9ff3da10
[  100.144177][ T2810] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc9ff3f888
| [  100.151090][ T2810] ------------[ cut here ]------------
| [  100.151238][ T2810] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2810
| [  100.151508][ T2810] Modules linked in: xfrm_user nf_tables
| [  100.151941][ T2810] Tainted: [W]=WARN
[  100.152040][ T2810] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.152206][ T2810] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.152382][ T2810] 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
[  100.152853][ T2810] RSP: 0018:ffa0000003d0fa78 EFLAGS: 00010286
[  100.153022][ T2810] RAX: 00000000ffffffa6 RBX: ff110000124b0e40 RCX: 1ff40000007a1f15
[  100.153216][ T2810] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000124b0efc
[  100.153417][ T2810] RBP: ff11000012f94000 R08: 1fe22000024961e1 R09: ff1100000e60ae80
[  100.153614][ T2810] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  100.153812][ T2810] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012f94000
[  100.154008][ T2810] FS:  00007fd59a41c840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  100.154237][ T2810] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.154406][ T2810] CR2: 000055d3d5b6bd5c CR3: 000000001308f005 CR4: 0000000000771ef0
[  100.154606][ T2810] PKRU: 55555554
[  100.154709][ T2810] Call Trace:
[  100.154808][ T2810]  <TASK>
[  100.154875][ T2810]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.155005][ T2810]  ? notifier_call_chain (kernel/notifier.c:85)
[  100.155134][ T2810]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.155233][ T2810]  register_netdevice (net/core/dev.c:11488)
[  100.155369][ T2810]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  100.155535][ T2810]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.155673][ T2810]  register_netdev (net/core/dev.c:11552)
[  100.155803][ T2810]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[  100.155933][ T2810]  ops_init (net/core/net_namespace.c:137)
[  100.156032][ T2810]  setup_net (net/core/net_namespace.c:446)
[  100.156130][ T2810]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  100.156259][ T2810]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  100.156395][ T2810]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  100.156533][ T2810]  copy_net_ns (net/core/net_namespace.c:579)
[  100.156669][ T2810]  create_new_namespaces (kernel/nsproxy.c:132)
[  100.156803][ T2810]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  100.156934][ T2810]  ksys_unshare (kernel/fork.c:3243)
[  100.157065][ T2810]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  100.157194][ T2810]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  100.157331][ T2810]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  100.157464][ T2810]  ? __ia32_sys_open (fs/open.c:1374)
[  100.157599][ T2810]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  100.157731][ T2810]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  100.157863][ T2810]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.157994][ T2810]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.158125][ T2810]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.158256][ T2810]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.158423][ T2810] RIP: 0033:0x7fd59a6debcb
[  100.158563][ T2810] 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
[  100.159029][ T2810] RSP: 002b:00007ffc9ff3b7e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  100.159226][ T2810] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd59a6debcb
[  100.159427][ T2810] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  100.159623][ T2810] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  100.159822][ T2810] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc9ff3da10
[  100.160017][ T2810] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc9ff3f888
| [  100.164169][ T2810] ------------[ cut here ]------------
| [  100.164305][ T2810] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2810
| [  100.164568][ T2810] Modules linked in: xfrm_user nf_tables
| [  100.164974][ T2810] Tainted: [W]=WARN
[  100.165074][ T2810] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.165237][ T2810] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.165412][ T2810] 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
[  100.165889][ T2810] RSP: 0018:ffa0000003d0fa68 EFLAGS: 00010286
[  100.166054][ T2810] RAX: 00000000ffffffa6 RBX: ff110000124b1c40 RCX: 1ff40000007a1f13
[  100.166250][ T2810] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000124b1cfc
[  100.166452][ T2810] RBP: ff11000012729000 R08: 1fe22000024963a1 R09: ff1100000e60ae80
[  100.166649][ T2810] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  100.166852][ T2810] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012729000
[  100.167049][ T2810] FS:  00007fd59a41c840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  100.167279][ T2810] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.167447][ T2810] CR2: 000055d3d5b6bd5c CR3: 000000001308f005 CR4: 0000000000771ef0
[  100.167648][ T2810] PKRU: 55555554
[  100.167750][ T2810] Call Trace:
[  100.167847][ T2810]  <TASK>
[  100.167914][ T2810]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.168044][ T2810]  ? notifier_call_chain (kernel/notifier.c:85)
[  100.168177][ T2810]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.168276][ T2810]  register_netdevice (net/core/dev.c:11488)
[  100.168415][ T2810]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  100.168584][ T2810]  register_netdev (net/core/dev.c:11552)
[  100.168720][ T2810]  sit_init_net (net/ipv6/sit.c:1860)
[  100.168853][ T2810]  ops_init (net/core/net_namespace.c:137)
[  100.168953][ T2810]  setup_net (net/core/net_namespace.c:446)
[  100.169053][ T2810]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  100.169183][ T2810]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  100.169318][ T2810]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  100.169450][ T2810]  copy_net_ns (net/core/net_namespace.c:579)
[  100.169585][ T2810]  create_new_namespaces (kernel/nsproxy.c:132)
[  100.169724][ T2810]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  100.169856][ T2810]  ksys_unshare (kernel/fork.c:3243)
[  100.169988][ T2810]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  100.170118][ T2810]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  100.170249][ T2810]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  100.170388][ T2810]  ? __ia32_sys_open (fs/open.c:1374)
[  100.170526][ T2810]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  100.170661][ T2810]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  100.170792][ T2810]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.170921][ T2810]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.171053][ T2810]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.171183][ T2810]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.171358][ T2810] RIP: 0033:0x7fd59a6debcb
[  100.171496][ T2810] 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
[  100.171973][ T2810] RSP: 002b:00007ffc9ff3b7e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  100.172168][ T2810] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd59a6debcb
[  100.172366][ T2810] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  100.172564][ T2810] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  100.172762][ T2810] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc9ff3da10
[  100.172958][ T2810] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc9ff3f888
| [  100.177624][ T2810] ------------[ cut here ]------------
| [  100.177838][ T2810] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2810
| [  100.178097][ T2810] Modules linked in: xfrm_user nf_tables
| [  100.178499][ T2810] Tainted: [W]=WARN
[  100.178601][ T2810] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.178770][ T2810] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.178939][ T2810] 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
[  100.179405][ T2810] RSP: 0018:ffa0000003d0fa78 EFLAGS: 00010286
[  100.179572][ T2810] RAX: 00000000ffffffa6 RBX: ff1100000eaa2e40 RCX: 1ff40000007a1f15
[  100.179775][ T2810] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000eaa2efc
[  100.179970][ T2810] RBP: ff11000012744000 R08: 1fe2200001d545e1 R09: ff1100000e60ae80
[  100.180164][ T2810] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  100.180366][ T2810] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012744000
[  100.180568][ T2810] FS:  00007fd59a41c840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  100.180805][ T2810] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.180968][ T2810] CR2: 000055d3d5b6bd5c CR3: 000000001308f005 CR4: 0000000000771ef0
[  100.181165][ T2810] PKRU: 55555554
[  100.181263][ T2810] Call Trace:
[  100.181376][ T2810]  <TASK>
[  100.181443][ T2810]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.181576][ T2810]  ? notifier_call_chain (kernel/notifier.c:85)
[  100.181713][ T2810]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.181814][ T2810]  register_netdevice (net/core/dev.c:11488)
[  100.181946][ T2810]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[  100.182107][ T2810]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.182242][ T2810]  register_netdev (net/core/dev.c:11552)
[  100.182377][ T2810]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[  100.182510][ T2810]  ops_init (net/core/net_namespace.c:137)
[  100.182611][ T2810]  setup_net (net/core/net_namespace.c:446)
[  100.182715][ T2810]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[  100.182846][ T2810]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[  100.182977][ T2810]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[  100.183109][ T2810]  copy_net_ns (net/core/net_namespace.c:579)
[  100.183242][ T2810]  create_new_namespaces (kernel/nsproxy.c:132)
[  100.183379][ T2810]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[  100.183514][ T2810]  ksys_unshare (kernel/fork.c:3243)
[  100.183646][ T2810]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  100.183782][ T2810]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[  100.183912][ T2810]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[  100.184043][ T2810]  ? __ia32_sys_open (fs/open.c:1374)
[  100.184176][ T2810]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[  100.184310][ T2810]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[  100.184439][ T2810]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.184572][ T2810]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.184706][ T2810]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.184836][ T2810]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.185000][ T2810] RIP: 0033:0x7fd59a6debcb
[  100.185135][ T2810] 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
[  100.185606][ T2810] RSP: 002b:00007ffc9ff3b7e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[  100.185807][ T2810] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fd59a6debcb
[  100.186003][ T2810] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[  100.186197][ T2810] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[  100.186397][ T2810] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc9ff3da10
[  100.186595][ T2810] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc9ff3f888
| [  100.230453][ T2811] ------------[ cut here ]------------
| [  100.230606][ T2811] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2811
| [  100.231314][ T2811] Modules linked in: xfrm_user nf_tables
| [  100.231729][ T2811] Tainted: [W]=WARN
[  100.231829][ T2811] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.231994][ T2811] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.232165][ T2811] 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
[  100.232633][ T2811] RSP: 0018:ffa0000003d0f020 EFLAGS: 00010286
[  100.232802][ T2811] RAX: 00000000ffffffa6 RBX: ff1100001243ee40 RCX: 1ff40000007a1dca
[  100.232998][ T2811] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243eefc
[  100.233191][ T2811] RBP: ff110000130c9000 R08: 1fe2200002487de1 R09: ff11000009c5d158
[  100.233393][ T2811] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[  100.233590][ T2811] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  100.233789][ T2811] FS:  00007fcda21b7840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[  100.234018][ T2811] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.234182][ T2811] CR2: 000000002de67988 CR3: 00000000098db001 CR4: 0000000000771ef0
[  100.234382][ T2811] PKRU: 55555554
[  100.234479][ T2811] Call Trace:
[  100.234579][ T2811]  <TASK>
[  100.234646][ T2811]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.234784][ T2811]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.234883][ T2811]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  100.235015][ T2811]  __dev_notify_flags (net/core/dev.c:9787)
[  100.235147][ T2811]  ? netif_change_name (net/core/dev.c:1495)
[  100.235279][ T2811]  ? __dev_change_flags (net/core/dev.c:9752)
[  100.235415][ T2811]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  100.235549][ T2811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.235686][ T2811]  ? 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))
[  100.235818][ T2811]  netif_change_flags (net/core/dev.c:9820)
[  100.235949][ T2811]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  100.236082][ T2811]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  100.236215][ T2811]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.236353][ T2811]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.236517][ T2811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.236656][ T2811]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.236786][ T2811]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.236915][ T2811]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.237048][ T2811]  ? __kernel_text_address (kernel/extable.c:79)
[  100.237179][ T2811]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.237316][ T2811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.237446][ T2811]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.237580][ T2811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.237716][ T2811]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.237845][ T2811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.237974][ T2811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.238103][ T2811]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.238235][ T2811]  ? __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)
[  100.238371][ T2811]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.238507][ T2811]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.238638][ T2811]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.238778][ T2811]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.238911][ T2811]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.239043][ T2811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.239173][ T2811]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.239306][ T2811]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.239437][ T2811]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.239572][ T2811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.239710][ T2811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.239839][ T2811]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.239968][ T2811]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.240098][ T2811]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.240231][ T2811]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.240369][ T2811]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.240499][ T2811]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.240632][ T2811]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.240765][ T2811]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.240896][ T2811]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.241025][ T2811]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.241156][ T2811]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.241287][ T2811]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.241423][ T2811]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.241561][ T2811]  ? 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))
[  100.241697][ T2811]  ? 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))
[  100.241829][ T2811]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.241960][ T2811]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.242095][ T2811]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.242225][ T2811]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.242363][ T2811]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.242494][ T2811]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.242629][ T2811]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.242764][ T2811]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.242895][ T2811]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.243056][ T2811]  ? move_addr_to_kernel (net/socket.c:258)
[  100.243187][ T2811]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.243328][ T2811]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.243459][ T2811]  ___sys_sendmsg (net/socket.c:2752)
[  100.243594][ T2811]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.243760][ T2811]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.243903][ T2811]  __sys_sendmsg (net/socket.c:2784)
[  100.244033][ T2811]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.244161][ T2811]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.244334][ T2811]  ? 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)
[  100.244464][ T2811]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.244599][ T2811]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.244737][ T2811]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.244867][ T2811]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.244998][ T2811]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.245160][ T2811] RIP: 0033:0x7fcda23f108e
[  100.245301][ T2811] 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
[  100.245778][ T2811] RSP: 002b:00007ffc94d31920 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.245975][ T2811] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcda23f108e
[  100.246172][ T2811] RDX: 0000000000000000 RSI: 00007ffc94d319d0 RDI: 0000000000000005
[  100.246372][ T2811] RBP: 00007ffc94d31930 R08: 0000000000000000 R09: 0000000000000000
[  100.246569][ T2811] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d88e
[  100.246768][ T2811] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc94d320a0
| [  100.483234][ T2821] ------------[ cut here ]------------
| [  100.483400][ T2821] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2821
| [  100.483683][ T2821] Modules linked in: xfrm_user nf_tables
| [  100.484098][ T2821] Tainted: [W]=WARN
[  100.484200][ T2821] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.484374][ T2821] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.484554][ T2821] 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
[  100.485039][ T2821] RSP: 0018:ffa0000003b3ee30 EFLAGS: 00010286
[  100.485213][ T2821] RAX: 00000000ffffffa6 RBX: ff1100000eb1fc40 RCX: 1ff4000000767d8c
[  100.485422][ T2821] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000eb1fcfc
[  100.485628][ T2821] RBP: ff1100001349c000 R08: 1fe2200001d63fa1 R09: ff1100000f250b80
[  100.485831][ T2821] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  100.486031][ T2821] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009437c00
[  100.486232][ T2821] FS:  00007f1c531b8840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[  100.486469][ T2821] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.486641][ T2821] CR2: 00000000004eb188 CR3: 0000000009a4d004 CR4: 0000000000771ef0
[  100.486849][ T2821] PKRU: 55555554
[  100.486948][ T2821] Call Trace:
[  100.487049][ T2821]  <TASK>
[  100.487119][ T2821]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  100.487286][ T2821]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.487426][ T2821]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.487531][ T2821]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.487666][ T2821]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.487800][ T2821]  __dev_notify_flags (net/core/dev.c:9787)
[  100.487937][ T2821]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.488071][ T2821]  ? netif_change_name (net/core/dev.c:1495)
[  100.488204][ T2821]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[  100.488343][ T2821]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[  100.488478][ T2821]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  100.488615][ T2821]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  100.488810][ T2821]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[  100.488947][ T2821]  veth_newlink (drivers/net/veth.c:1871)
[  100.489082][ T2821]  ? veth_poll_controller (drivers/net/veth.c:1470)
[  100.489215][ T2821]  ? kasan_save_stack (mm/kasan/common.c:57)
[  100.489354][ T2821]  ? kasan_save_track (mm/kasan/common.c:78)
[  100.489486][ T2821]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  100.489639][ T2821]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[  100.489865][ T2821]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[  100.490002][ T2821]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  100.490133][ T2821]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  100.490268][ T2821]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[  100.490407][ T2821]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[  100.490555][ T2821]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  100.490763][ T2821]  ? __dev_get_by_name (net/core/dev.c:883)
[  100.490896][ T2821]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  100.491035][ T2821]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  100.491175][ T2821]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.491315][ T2821]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.491447][ T2821]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.491585][ T2821]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.491809][ T2821]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.491942][ T2821]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.492078][ T2821]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.492214][ T2821]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.492352][ T2821]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.492485][ T2821]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.492622][ T2821]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.492775][ T2821]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.492912][ T2821]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.493044][ T2821]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.493177][ T2821]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.493318][ T2821]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.493452][ T2821]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.493593][ T2821]  ? 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))
[  100.493730][ T2821]  ? 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))
[  100.493865][ T2821]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.493999][ T2821]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.494132][ T2821]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.494266][ T2821]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.494405][ T2821]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.494545][ T2821]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.494687][ T2821]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.494822][ T2821]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.494956][ T2821]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.495122][ T2821]  ? move_addr_to_kernel (net/socket.c:258)
[  100.495257][ T2821]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.495396][ T2821]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[  100.495533][ T2821]  ___sys_sendmsg (net/socket.c:2752)
[  100.495670][ T2821]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[  100.495804][ T2821]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.495941][ T2821]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[  100.496078][ T2821]  ? 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))
[  100.496214][ T2821]  __sys_sendmsg (net/socket.c:2784)
[  100.496354][ T2821]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.496491][ T2821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.496629][ T2821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.496767][ T2821]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.496900][ T2821]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.497034][ T2821]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.497168][ T2821]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.497339][ T2821] RIP: 0033:0x7f1c533f208e
[  100.497481][ T2821] 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
[  100.497965][ T2821] RSP: 002b:00007ffdcbf0ce50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.498168][ T2821] RAX: ffffffffffffffda RBX: 00007ffdcbf0d5e8 RCX: 00007f1c533f208e
[  100.498371][ T2821] RDX: 0000000000000000 RSI: 00007ffdcbf0cf00 RDI: 0000000000000005
[  100.498575][ T2821] RBP: 00007ffdcbf0ce60 R08: 0000000000000000 R09: 0000000000000000
[  100.498780][ T2821] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d88e
[  100.498980][ T2821] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdcbf0d5c0
| [  100.515215][ T2821] ------------[ cut here ]------------
| [  100.515370][ T2821] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2821
| [  100.515640][ T2821] Modules linked in: xfrm_user nf_tables
| [  100.516052][ T2821] Tainted: [W]=WARN
[  100.516152][ T2821] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.516324][ T2821] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.516505][ T2821] 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
[  100.516980][ T2821] RSP: 0018:ffa0000003b3f1b0 EFLAGS: 00010286
[  100.517145][ T2821] RAX: 00000000ffffffa6 RBX: ff11000009a63000 RCX: 1ff4000000767dfc
[  100.517347][ T2821] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a630bc
[  100.517547][ T2821] RBP: ff11000014cd9000 R08: 1fe220000134c619 R09: ff1100000f250b80
[  100.517748][ T2821] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  100.517945][ T2821] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[  100.518142][ T2821] FS:  00007f1c531b8840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  100.518382][ T2821] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.518550][ T2821] CR2: 00007ffe3bb9dec8 CR3: 0000000009a4d006 CR4: 0000000000771ef0
[  100.518755][ T2821] PKRU: 55555554
[  100.518853][ T2821] Call Trace:
[  100.518951][ T2821]  <TASK>
[  100.519020][ T2821]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.519155][ T2821]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.519257][ T2821]  __dev_notify_flags (net/core/dev.c:9787)
[  100.519397][ T2821]  ? netif_change_name (net/core/dev.c:1495)
[  100.519537][ T2821]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  100.519674][ T2821]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  100.519809][ T2821]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  100.519943][ T2821]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[  100.520076][ T2821]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  100.520208][ T2821]  ? __dev_get_by_name (net/core/dev.c:883)
[  100.520345][ T2821]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  100.520482][ T2821]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  100.520621][ T2821]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.520760][ T2821]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.520893][ T2821]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.521023][ T2821]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.521153][ T2821]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.521282][ T2821]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.521423][ T2821]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.521560][ T2821]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.521697][ T2821]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.521828][ T2821]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.521961][ T2821]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.522093][ T2821]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.522227][ T2821]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.522363][ T2821]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.522495][ T2821]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.522629][ T2821]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.522764][ T2821]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.522899][ T2821]  ? 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))
[  100.523031][ T2821]  ? 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))
[  100.523165][ T2821]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.523303][ T2821]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.523437][ T2821]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.523573][ T2821]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.523710][ T2821]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.523842][ T2821]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.523976][ T2821]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.524107][ T2821]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.524237][ T2821]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.524403][ T2821]  ? move_addr_to_kernel (net/socket.c:258)
[  100.524539][ T2821]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.524676][ T2821]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[  100.524809][ T2821]  ___sys_sendmsg (net/socket.c:2752)
[  100.524941][ T2821]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[  100.525073][ T2821]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.525208][ T2821]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[  100.525348][ T2821]  ? 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))
[  100.525482][ T2821]  __sys_sendmsg (net/socket.c:2784)
[  100.525617][ T2821]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.525758][ T2821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.525891][ T2821]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.526025][ T2821]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.526156][ T2821]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.526288][ T2821]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.526424][ T2821]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.526591][ T2821] RIP: 0033:0x7f1c533f208e
[  100.526732][ T2821] 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
[  100.527200][ T2821] RSP: 002b:00007ffdcbf0ce50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.527404][ T2821] RAX: ffffffffffffffda RBX: 00007ffdcbf0d5e8 RCX: 00007f1c533f208e
[  100.527603][ T2821] RDX: 0000000000000000 RSI: 00007ffdcbf0cf00 RDI: 0000000000000005
[  100.527805][ T2821] RBP: 00007ffdcbf0ce60 R08: 0000000000000000 R09: 0000000000000000
[  100.528000][ T2821] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d88e
[  100.528195][ T2821] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdcbf0d5c0
| [  100.635331][ T2825] ------------[ cut here ]------------
| [  100.635481][ T2825] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/2825
| [  100.636297][ T2825] Modules linked in: xfrm_user nf_tables
| [  100.636714][ T2825] Tainted: [W]=WARN
[  100.636816][ T2825] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.636978][ T2825] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.637146][ T2825] 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
[  100.637616][ T2825] RSP: 0018:ffa0000003abf020 EFLAGS: 00010286
[  100.637785][ T2825] RAX: 00000000ffffffa6 RBX: ff1100000f9b8900 RCX: 1ff4000000757dca
[  100.637977][ T2825] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f9b89bc
[  100.638169][ T2825] RBP: ff11000014cd9000 R08: 1fe2200001f37139 R09: ff11000014c98b58
[  100.638367][ T2825] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[  100.638562][ T2825] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  100.638766][ T2825] FS:  00007fe1358b0840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  100.638999][ T2825] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.639161][ T2825] CR2: 00007fe135b801a0 CR3: 000000000c4ac003 CR4: 0000000000771ef0
[  100.639361][ T2825] PKRU: 55555554
[  100.639456][ T2825] Call Trace:
[  100.639556][ T2825]  <TASK>
[  100.639623][ T2825]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.639761][ T2825]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.639860][ T2825]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  100.639988][ T2825]  __dev_notify_flags (net/core/dev.c:9787)
[  100.640119][ T2825]  ? netif_change_name (net/core/dev.c:1495)
[  100.640248][ T2825]  ? __dev_change_flags (net/core/dev.c:9752)
[  100.640384][ T2825]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  100.640515][ T2825]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.640647][ T2825]  ? 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))
[  100.640785][ T2825]  netif_change_flags (net/core/dev.c:9820)
[  100.640917][ T2825]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  100.641047][ T2825]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  100.641180][ T2825]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.641318][ T2825]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.641479][ T2825]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.641611][ T2825]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.641745][ T2825]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.641872][ T2825]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.642001][ T2825]  ? __kernel_text_address (kernel/extable.c:79)
[  100.642130][ T2825]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.642261][ T2825]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.642396][ T2825]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.642529][ T2825]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.642663][ T2825]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.642791][ T2825]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.642920][ T2825]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.643050][ T2825]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.643182][ T2825]  ? __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)
[  100.643315][ T2825]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.643445][ T2825]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.643581][ T2825]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.643718][ T2825]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.643851][ T2825]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.643982][ T2825]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.644111][ T2825]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.644242][ T2825]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.644376][ T2825]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.644507][ T2825]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.644639][ T2825]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.644773][ T2825]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.644901][ T2825]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.645028][ T2825]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.645159][ T2825]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.645288][ T2825]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.645422][ T2825]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.645556][ T2825]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.645690][ T2825]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.645820][ T2825]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.645950][ T2825]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.646079][ T2825]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.646208][ T2825]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.646339][ T2825]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.646471][ T2825]  ? 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))
[  100.646603][ T2825]  ? 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))
[  100.646815][ T2825]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.647009][ T2825]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.647140][ T2825]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.647270][ T2825]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.647405][ T2825]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.647539][ T2825]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.647747][ T2825]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.647878][ T2825]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.648008][ T2825]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.648167][ T2825]  ? move_addr_to_kernel (net/socket.c:258)
[  100.648302][ T2825]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.648432][ T2825]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.648566][ T2825]  ___sys_sendmsg (net/socket.c:2752)
[  100.648757][ T2825]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.648919][ T2825]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.649062][ T2825]  __sys_sendmsg (net/socket.c:2784)
[  100.649192][ T2825]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.649324][ T2825]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.649487][ T2825]  ? 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)
[  100.649621][ T2825]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.649838][ T2825]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.649967][ T2825]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.650098][ T2825]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.650227][ T2825]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.650397][ T2825] RIP: 0033:0x7fe135aea08e
[  100.650536][ T2825] 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
[  100.651066][ T2825] RSP: 002b:00007fffe1dd8560 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.651261][ T2825] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe135aea08e
[  100.651459][ T2825] RDX: 0000000000000000 RSI: 00007fffe1dd8610 RDI: 0000000000000005
[  100.651716][ T2825] RBP: 00007fffe1dd8570 R08: 0000000000000000 R09: 0000000000000000
[  100.651909][ T2825] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d88e
[  100.652100][ T2825] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffe1dd8cd0
| [  100.754457][ T2829] ------------[ cut here ]------------
| [  100.754612][ T2829] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2829
| [  100.754877][ T2829] Modules linked in: xfrm_user nf_tables
| [  100.755278][ T2829] Tainted: [W]=WARN
[  100.755384][ T2829] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.755557][ T2829] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.755732][ T2829] 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
[  100.756193][ T2829] RSP: 0018:ffa0000003b9f020 EFLAGS: 00010286
[  100.756362][ T2829] RAX: 00000000ffffffa6 RBX: ff1100000a1a3700 RCX: 1ff4000000773dca
[  100.756562][ T2829] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1a37bc
[  100.756760][ T2829] RBP: ff1100001349c000 R08: 1fe22000014346f9 R09: ff1100000e600b58
[  100.756956][ T2829] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[  100.757151][ T2829] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  100.757352][ T2829] FS:  00007fd50659e840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  100.757582][ T2829] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.757807][ T2829] CR2: 0000000014661988 CR3: 000000000f243001 CR4: 0000000000771ef0
[  100.758005][ T2829] PKRU: 55555554
[  100.758104][ T2829] Call Trace:
[  100.758201][ T2829]  <TASK>
[  100.758268][ T2829]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.758404][ T2829]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.758507][ T2829]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  100.758639][ T2829]  __dev_notify_flags (net/core/dev.c:9787)
[  100.758830][ T2829]  ? netif_change_name (net/core/dev.c:1495)
[  100.758960][ T2829]  ? __dev_change_flags (net/core/dev.c:9752)
[  100.759091][ T2829]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  100.759221][ T2829]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.759358][ T2829]  ? 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))
[  100.759490][ T2829]  netif_change_flags (net/core/dev.c:9820)
[  100.759625][ T2829]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  100.759844][ T2829]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  100.760053][ T2829]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  100.760185][ T2829]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  100.760354][ T2829]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  100.760484][ T2829]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.760621][ T2829]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  100.760839][ T2829]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.760972][ T2829]  ? __kernel_text_address (kernel/extable.c:79)
[  100.761103][ T2829]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.761234][ T2829]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.761370][ T2829]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.761503][ T2829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.761635][ T2829]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  100.761852][ T2829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.761981][ T2829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.762113][ T2829]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  100.762244][ T2829]  ? __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)
[  100.762380][ T2829]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  100.762513][ T2829]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  100.762649][ T2829]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  100.762868][ T2829]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  100.763002][ T2829]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.763134][ T2829]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.763264][ T2829]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.763399][ T2829]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.763532][ T2829]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.763726][ T2829]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.763859][ T2829]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.763988][ T2829]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.764118][ T2829]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.764248][ T2829]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.764385][ T2829]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.764517][ T2829]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.764705][ T2829]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.764835][ T2829]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.764964][ T2829]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.765099][ T2829]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.765227][ T2829]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.765365][ T2829]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.765495][ T2829]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.765630][ T2829]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.765818][ T2829]  ? 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))
[  100.765948][ T2829]  ? 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))
[  100.766081][ T2829]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.766214][ T2829]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.766350][ T2829]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.766481][ T2829]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.766616][ T2829]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.766801][ T2829]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.766934][ T2829]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.767065][ T2829]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.767197][ T2829]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.767366][ T2829]  ? move_addr_to_kernel (net/socket.c:258)
[  100.767499][ T2829]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  100.767632][ T2829]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.767808][ T2829]  ___sys_sendmsg (net/socket.c:2752)
[  100.767937][ T2829]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  100.768101][ T2829]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.768246][ T2829]  __sys_sendmsg (net/socket.c:2784)
[  100.768384][ T2829]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.768515][ T2829]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  100.768689][ T2829]  ? 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)
[  100.768822][ T2829]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.768954][ T2829]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.769083][ T2829]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.769213][ T2829]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.769352][ T2829]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.769519][ T2829] RIP: 0033:0x7fd5067d808e
[  100.769663][ T2829] 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
[  100.770128][ T2829] RSP: 002b:00007ffec7a3c990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.770331][ T2829] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd5067d808e
[  100.770530][ T2829] RDX: 0000000000000000 RSI: 00007ffec7a3ca40 RDI: 0000000000000005
[  100.770729][ T2829] RBP: 00007ffec7a3c9a0 R08: 0000000000000000 R09: 0000000000000000
[  100.770924][ T2829] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d88f
[  100.771120][ T2829] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec7a3d100
| [  100.773299][   T64] ------------[ cut here ]------------
| [  100.773466][   T64] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/64
| [  100.773771][   T64] Modules linked in: xfrm_user nf_tables
| [  100.774264][   T64] Tainted: [W]=WARN
[  100.774407][   T64] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.774616][   T64] Workqueue: events_unbound linkwatch_event
[  100.774830][   T64] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.775033][   T64] 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
[  100.775517][   T64] RSP: 0018:ffa00000004579e0 EFLAGS: 00010286
[  100.775753][   T64] RAX: 00000000ffffffa6 RBX: ff11000010929a80 RCX: 1ff400000008af02
[  100.775987][   T64] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010929b3c
[  100.776214][   T64] RBP: ff11000014cd9000 R08: 1fe2200002125369 R09: ff11000006100ba8
[  100.776447][   T64] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  100.776697][   T64] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  100.776923][   T64] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  100.777176][   T64] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.777381][   T64] CR2: 00007f4cd72fcf98 CR3: 000000004994d001 CR4: 0000000000771ef0
[  100.777618][   T64] PKRU: 55555554
[  100.777764][   T64] Call Trace:
[  100.777904][   T64]  <TASK>
[  100.778013][   T64]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.778182][   T64]  ? notifier_call_chain (kernel/notifier.c:85)
[  100.778361][   T64]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.778504][   T64]  netif_state_change (net/core/dev.c:1605)
[  100.778695][   T64]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  100.778897][   T64]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  100.779065][   T64]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  100.779235][   T64]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.779413][   T64]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  100.779589][   T64]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  100.779771][   T64]  process_one_work (kernel/workqueue.c:3314)
[  100.779944][   T64]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  100.780112][   T64]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.780288][   T64]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  100.780468][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  100.780646][   T64]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  100.780833][   T64]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  100.781001][   T64]  kthread (kernel/kthread.c:436)
[  100.781140][   T64]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  100.781345][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[  100.781522][   T64]  ret_from_fork (arch/x86/kernel/process.c:158)
[  100.781789][   T64]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  100.781989][   T64]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  100.782158][   T64]  ? kthread_affine_node (kernel/kthread.c:378)
[  100.782335][   T64]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  100.966470][ T2837] ------------[ cut here ]------------
| [  100.966680][ T2837] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2837
| [  100.966996][ T2837] Modules linked in: xfrm_user nf_tables
| [  100.967522][ T2837] Tainted: [W]=WARN
[  100.968217][ T2837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  100.968501][ T2837] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  100.968811][ T2837] 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
[  100.969397][ T2837] RSP: 0018:ffa0000003d2ee30 EFLAGS: 00010286
[  100.969692][ T2837] RAX: 00000000ffffffa6 RBX: ff1100001246eac0 RCX: 1ff40000007a5d8c
[  100.969997][ T2837] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001246eb7c
[  100.970308][ T2837] RBP: ff11000012b5c000 R08: 1fe220000248dd71 R09: ff1100001298ae80
[  100.970616][ T2837] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  100.970928][ T2837] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b4e8b00
[  100.971233][ T2837] FS:  00007f1a45d88840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  100.971585][ T2837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  100.971872][ T2837] CR2: 00000000004eb188 CR3: 000000000f194003 CR4: 0000000000771ef0
[  100.972182][ T2837] PKRU: 55555554
[  100.972391][ T2837] Call Trace:
[  100.972604][ T2837]  <TASK>
[  100.972790][ T2837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.973032][ T2837]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  100.973271][ T2837]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  100.973486][ T2837]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[  100.973746][ T2837]  __dev_notify_flags (net/core/dev.c:9787)
[  100.973986][ T2837]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[  100.974225][ T2837]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[  100.974475][ T2837]  ? netif_change_name (net/core/dev.c:1495)
[  100.974735][ T2837]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.974975][ T2837]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.975214][ T2837]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.975463][ T2837]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.975730][ T2837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.975974][ T2837]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  100.976215][ T2837]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  100.976464][ T2837]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  100.976724][ T2837]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[  100.976969][ T2837]  veth_newlink (drivers/net/veth.c:1871)
[  100.977210][ T2837]  ? veth_poll_controller (drivers/net/veth.c:1470)
[  100.977460][ T2837]  ? kasan_save_stack (mm/kasan/common.c:57)
[  100.977727][ T2837]  ? kasan_save_track (mm/kasan/common.c:78)
[  100.977963][ T2837]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  100.978161][ T2837]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[  100.978357][ T2837]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[  100.978553][ T2837]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  100.978758][ T2837]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  100.978944][ T2837]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[  100.979132][ T2837]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[  100.979329][ T2837]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  100.979515][ T2837]  ? __dev_get_by_name (net/core/dev.c:883)
[  100.979716][ T2837]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  100.979905][ T2837]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  100.980097][ T2837]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  100.980283][ T2837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.980474][ T2837]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.980677][ T2837]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.980864][ T2837]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  100.981049][ T2837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.981238][ T2837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.981434][ T2837]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  100.981628][ T2837]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  100.981830][ T2837]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  100.982013][ T2837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.982199][ T2837]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  100.982396][ T2837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  100.982591][ T2837]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  100.982789][ T2837]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  100.982973][ T2837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  100.983159][ T2837]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  100.983358][ T2837]  ? 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))
[  100.983550][ T2837]  ? 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))
[  100.983753][ T2837]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  100.983942][ T2837]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  100.984130][ T2837]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  100.984321][ T2837]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  100.984509][ T2837]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  100.984707][ T2837]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  100.984892][ T2837]  ? copy_msghdr_from_user (net/socket.c:2635)
[  100.985076][ T2837]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  100.985302][ T2837]  ? move_addr_to_kernel (net/socket.c:258)
[  100.985489][ T2837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  100.985695][ T2837]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[  100.985881][ T2837]  ___sys_sendmsg (net/socket.c:2752)
[  100.986064][ T2837]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[  100.986248][ T2837]  ? copy_msghdr_from_user (net/socket.c:2603)
[  100.986449][ T2837]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[  100.986647][ T2837]  ? 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))
[  100.986848][ T2837]  __sys_sendmsg (net/socket.c:2784)
[  100.987034][ T2837]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  100.987221][ T2837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.987419][ T2837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  100.987618][ T2837]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  100.987813][ T2837]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  100.987996][ T2837]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  100.988183][ T2837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  100.988409][ T2837] RIP: 0033:0x7f1a45fc208e
[  100.988610][ T2837] 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
[  100.989157][ T2837] RSP: 002b:00007ffdbadf4610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  100.989421][ T2837] RAX: ffffffffffffffda RBX: 00007ffdbadf4da8 RCX: 00007f1a45fc208e
[  100.989697][ T2837] RDX: 0000000000000000 RSI: 00007ffdbadf46c0 RDI: 0000000000000005
[  100.989947][ T2837] RBP: 00007ffdbadf4620 R08: 0000000000000000 R09: 0000000000000000
[  100.990198][ T2837] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d88f
[  100.990458][ T2837] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdbadf4d80
| [  101.006861][ T2837] ------------[ cut here ]------------
| [  101.007015][ T2837] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2837
| [  101.007286][ T2837] Modules linked in: xfrm_user nf_tables
| [  101.007717][ T2837] Tainted: [W]=WARN
[  101.007819][ T2837] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.007988][ T2837] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.008162][ T2837] 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
[  101.008645][ T2837] RSP: 0018:ffa0000003d2f1b0 EFLAGS: 00010286
[  101.008821][ T2837] RAX: 00000000ffffffa6 RBX: ff1100000e929c40 RCX: 1ff40000007a5dfc
[  101.009022][ T2837] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e929cfc
[  101.009222][ T2837] RBP: ff1100000df29000 R08: 1fe2200001d253a1 R09: ff1100001298ae80
[  101.009430][ T2837] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  101.009635][ T2837] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[  101.009842][ T2837] FS:  00007f1a45d88840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[  101.010077][ T2837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.010247][ T2837] CR2: 00007ffe3bb9dec8 CR3: 000000000f194004 CR4: 0000000000771ef0
[  101.010453][ T2837] PKRU: 55555554
[  101.010560][ T2837] Call Trace:
[  101.010666][ T2837]  <TASK>
[  101.010736][ T2837]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.010874][ T2837]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.010978][ T2837]  __dev_notify_flags (net/core/dev.c:9787)
[  101.011115][ T2837]  ? netif_change_name (net/core/dev.c:1495)
[  101.011252][ T2837]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  101.011393][ T2837]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  101.011534][ T2837]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  101.011676][ T2837]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[  101.011811][ T2837]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  101.011947][ T2837]  ? __dev_get_by_name (net/core/dev.c:883)
[  101.012082][ T2837]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  101.012223][ T2837]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  101.012370][ T2837]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.012510][ T2837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.012647][ T2837]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.012789][ T2837]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.012923][ T2837]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.013057][ T2837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.013196][ T2837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.013339][ T2837]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.013474][ T2837]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.013615][ T2837]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.013757][ T2837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.013892][ T2837]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.014030][ T2837]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.014164][ T2837]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.014305][ T2837]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.014439][ T2837]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.014579][ T2837]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.014724][ T2837]  ? 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))
[  101.014859][ T2837]  ? 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))
[  101.014996][ T2837]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.015134][ T2837]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.015272][ T2837]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.015417][ T2837]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.015559][ T2837]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.015701][ T2837]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.015838][ T2837]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.015973][ T2837]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.016139][ T2837]  ? move_addr_to_kernel (net/socket.c:258)
[  101.016274][ T2837]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.016416][ T2837]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[  101.016555][ T2837]  ___sys_sendmsg (net/socket.c:2752)
[  101.016696][ T2837]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[  101.016832][ T2837]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.016971][ T2837]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[  101.017112][ T2837]  ? 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))
[  101.017249][ T2837]  __sys_sendmsg (net/socket.c:2784)
[  101.017389][ T2837]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.017532][ T2837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.017670][ T2837]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.017806][ T2837]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.017941][ T2837]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.018078][ T2837]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.018215][ T2837]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.018390][ T2837] RIP: 0033:0x7f1a45fc208e
[  101.018535][ T2837] 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
[  101.019025][ T2837] RSP: 002b:00007ffdbadf4610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.019231][ T2837] RAX: ffffffffffffffda RBX: 00007ffdbadf4da8 RCX: 00007f1a45fc208e
[  101.019438][ T2837] RDX: 0000000000000000 RSI: 00007ffdbadf46c0 RDI: 0000000000000005
[  101.019643][ T2837] RBP: 00007ffdbadf4620 R08: 0000000000000000 R09: 0000000000000000
[  101.019852][ T2837] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d88f
[  101.020052][ T2837] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdbadf4d80
| [  101.120546][ T2841] ------------[ cut here ]------------
| [  101.120734][ T2841] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2841
| [  101.121044][ T2841] Modules linked in: xfrm_user nf_tables
| [  101.121552][ T2841] Tainted: [W]=WARN
[  101.122310][ T2841] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.122521][ T2841] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.122750][ T2841] 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
[  101.123258][ T2841] RSP: 0018:ffa0000003d2f020 EFLAGS: 00010286
[  101.123475][ T2841] RAX: 00000000ffffffa6 RBX: ff11000010a89380 RCX: 1ff40000007a5dca
[  101.123732][ T2841] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010a8943c
[  101.123973][ T2841] RBP: ff1100000df29000 R08: 1fe2200002151289 R09: ff1100000eb8d158
[  101.124213][ T2841] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[  101.124465][ T2841] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  101.124732][ T2841] FS:  00007f72668d8840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  101.125008][ T2841] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.125218][ T2841] CR2: 000000001713d988 CR3: 00000000096a3004 CR4: 0000000000771ef0
[  101.125472][ T2841] PKRU: 55555554
[  101.125621][ T2841] Call Trace:
[  101.125773][ T2841]  <TASK>
[  101.125888][ T2841]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.126067][ T2841]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.126214][ T2841]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  101.126397][ T2841]  __dev_notify_flags (net/core/dev.c:9787)
[  101.126589][ T2841]  ? netif_change_name (net/core/dev.c:1495)
[  101.126782][ T2841]  ? __dev_change_flags (net/core/dev.c:9752)
[  101.126962][ T2841]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  101.127140][ T2841]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.127326][ T2841]  ? 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))
[  101.127515][ T2841]  netif_change_flags (net/core/dev.c:9820)
[  101.127714][ T2841]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  101.127894][ T2841]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  101.128078][ T2841]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  101.128258][ T2841]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  101.128473][ T2841]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.128670][ T2841]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.128849][ T2841]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  101.129028][ T2841]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.129207][ T2841]  ? __kernel_text_address (kernel/extable.c:79)
[  101.129394][ T2841]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.129587][ T2841]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.129782][ T2841]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.129962][ T2841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.130142][ T2841]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  101.130326][ T2841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.130505][ T2841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.130704][ T2841]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  101.130887][ T2841]  ? __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)
[  101.131066][ T2841]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  101.131246][ T2841]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.131435][ T2841]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  101.131626][ T2841]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  101.131823][ T2841]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.132006][ T2841]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.132185][ T2841]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.132373][ T2841]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.132562][ T2841]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.132756][ T2841]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.132938][ T2841]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.133118][ T2841]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.133308][ T2841]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.133491][ T2841]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.133697][ T2841]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.133879][ T2841]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.134059][ T2841]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.134248][ T2841]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.134440][ T2841]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.134628][ T2841]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.134820][ T2841]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.135003][ T2841]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.135183][ T2841]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.135373][ T2841]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.135566][ T2841]  ? 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))
[  101.135761][ T2841]  ? 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))
[  101.135945][ T2841]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.136128][ T2841]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.136317][ T2841]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.136502][ T2841]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.136706][ T2841]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.136888][ T2841]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.137069][ T2841]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.137248][ T2841]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.137438][ T2841]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.137669][ T2841]  ? move_addr_to_kernel (net/socket.c:258)
[  101.137851][ T2841]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.138033][ T2841]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.138215][ T2841]  ___sys_sendmsg (net/socket.c:2752)
[  101.138406][ T2841]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  101.138628][ T2841]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.138835][ T2841]  __sys_sendmsg (net/socket.c:2784)
[  101.139016][ T2841]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.139194][ T2841]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  101.139418][ T2841]  ? 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)
[  101.139612][ T2841]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.139804][ T2841]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.139984][ T2841]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.140165][ T2841]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.140357][ T2841]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.140584][ T2841] RIP: 0033:0x7f7266b1208e
[  101.140785][ T2841] 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
[  101.141312][ T2841] RSP: 002b:00007ffd645e99a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.141569][ T2841] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7266b1208e
[  101.141830][ T2841] RDX: 0000000000000000 RSI: 00007ffd645e9a50 RDI: 0000000000000005
[  101.142078][ T2841] RBP: 00007ffd645e99b0 R08: 0000000000000000 R09: 0000000000000000
[  101.142332][ T2841] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d88f
[  101.142588][ T2841] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd645ea110
| [  101.253601][ T2845] ------------[ cut here ]------------
| [  101.254138][ T2845] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2845
| [  101.254446][ T2845] Modules linked in: xfrm_user nf_tables
| [  101.254957][ T2845] Tainted: [W]=WARN
[  101.255102][ T2845] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.255317][ T2845] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.255537][ T2845] 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
[  101.256050][ T2845] RSP: 0018:ffa0000003d9f020 EFLAGS: 00010286
[  101.256262][ T2845] RAX: 00000000ffffffa6 RBX: ff1100001243f540 RCX: 1ff40000007b3dca
[  101.256506][ T2845] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243f5fc
[  101.256761][ T2845] RBP: ff11000012b5c000 R08: 1fe2200002487ec1 R09: ff11000013028b58
[  101.256998][ T2845] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[  101.257238][ T2845] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  101.257488][ T2845] FS:  00007fc27497c840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  101.257781][ T2845] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.257990][ T2845] CR2: 0000000035bec988 CR3: 000000001277e005 CR4: 0000000000771ef0
[  101.258232][ T2845] PKRU: 55555554
[  101.258385][ T2845] Call Trace:
[  101.258532][ T2845]  <TASK>
[  101.258647][ T2845]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.258842][ T2845]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.258988][ T2845]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  101.259163][ T2845]  __dev_notify_flags (net/core/dev.c:9787)
[  101.259350][ T2845]  ? netif_change_name (net/core/dev.c:1495)
[  101.259531][ T2845]  ? __dev_change_flags (net/core/dev.c:9752)
[  101.259724][ T2845]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  101.259900][ T2845]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.260078][ T2845]  ? 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))
[  101.260257][ T2845]  netif_change_flags (net/core/dev.c:9820)
[  101.260443][ T2845]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  101.260625][ T2845]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  101.260817][ T2845]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  101.260997][ T2845]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  101.261205][ T2845]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.261390][ T2845]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.261575][ T2845]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  101.261763][ T2845]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.261939][ T2845]  ? __kernel_text_address (kernel/extable.c:79)
[  101.262117][ T2845]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.262303][ T2845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.262479][ T2845]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.262674][ T2845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.262851][ T2845]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  101.263025][ T2845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.263200][ T2845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.263386][ T2845]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  101.263574][ T2845]  ? __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)
[  101.263764][ T2845]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  101.263942][ T2845]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.264120][ T2845]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  101.264308][ T2845]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  101.264487][ T2845]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.264685][ T2845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.264861][ T2845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.265038][ T2845]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.265212][ T2845]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.265399][ T2845]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.265589][ T2845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.265777][ T2845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.265954][ T2845]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.266130][ T2845]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.266314][ T2845]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.266491][ T2845]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.266692][ T2845]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.266868][ T2845]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.267044][ T2845]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.267221][ T2845]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.267403][ T2845]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.267590][ T2845]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.267781][ T2845]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.267958][ T2845]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.268140][ T2845]  ? 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))
[  101.268323][ T2845]  ? 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))
[  101.268504][ T2845]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.268700][ T2845]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.268879][ T2845]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.269057][ T2845]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.269237][ T2845]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.269425][ T2845]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.269615][ T2845]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.269805][ T2845]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.269982][ T2845]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.270189][ T2845]  ? move_addr_to_kernel (net/socket.c:258)
[  101.270373][ T2845]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.270556][ T2845]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.270751][ T2845]  ___sys_sendmsg (net/socket.c:2752)
[  101.270927][ T2845]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  101.271136][ T2845]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.271331][ T2845]  __sys_sendmsg (net/socket.c:2784)
[  101.271514][ T2845]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.271703][ T2845]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  101.271915][ T2845]  ? 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)
[  101.272096][ T2845]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.272275][ T2845]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.272460][ T2845]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.272648][ T2845]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.272840][ T2845]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.273048][ T2845] RIP: 0033:0x7fc274bb608e
[  101.273230][ T2845] 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
[  101.273763][ T2845] RSP: 002b:00007ffe5c57f800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.274004][ T2845] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc274bb608e
[  101.274243][ T2845] RDX: 0000000000000000 RSI: 00007ffe5c57f8b0 RDI: 0000000000000005
[  101.274493][ T2845] RBP: 00007ffe5c57f810 R08: 0000000000000000 R09: 0000000000000000
[  101.274754][ T2845] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d88f
[  101.274993][ T2845] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe5c57ff70
| [  101.277590][  T434] ------------[ cut here ]------------
| [  101.277733][  T434] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 2/434
| [  101.277966][  T434] Modules linked in: xfrm_user nf_tables
| [  101.278374][  T434] Tainted: [W]=WARN
[  101.278463][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.278614][  T434] Workqueue: events_unbound linkwatch_event
[  101.278774][  T434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.278929][  T434] 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
[  101.279363][  T434] RSP: 0018:ffa0000000e879e0 EFLAGS: 00010286
[  101.279513][  T434] RAX: 00000000ffffffa6 RBX: ff11000009aa7700 RCX: 1ff40000001d0f02
[  101.279708][  T434] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009aa77bc
[  101.279886][  T434] RBP: ff11000012b5c000 R08: 1fe2200001354ef9 R09: ff110000100f2ea8
[  101.280061][  T434] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[  101.280237][  T434] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  101.280420][  T434] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  101.280631][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.280780][  T434] CR2: 00007fa582b42574 CR3: 000000004994d001 CR4: 0000000000771ef0
[  101.280958][  T434] PKRU: 55555554
[  101.281046][  T434] Call Trace:
[  101.281134][  T434]  <TASK>
[  101.281196][  T434]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.281320][  T434]  ? notifier_call_chain (kernel/notifier.c:85)
[  101.281442][  T434]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.281538][  T434]  netif_state_change (net/core/dev.c:1605)
[  101.281664][  T434]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  101.281813][  T434]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  101.281931][  T434]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  101.282049][  T434]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.282170][  T434]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  101.282286][  T434]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  101.282419][  T434]  process_one_work (kernel/workqueue.c:3314)
[  101.282544][  T434]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  101.282666][  T434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.282789][  T434]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  101.282909][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  101.283027][  T434]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  101.283146][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  101.283264][  T434]  kthread (kernel/kthread.c:436)
[  101.283358][  T434]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  101.283512][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[  101.283630][  T434]  ret_from_fork (arch/x86/kernel/process.c:158)
[  101.283752][  T434]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  101.283900][  T434]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  101.284018][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[  101.284137][  T434]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  101.286076][  T434] ------------[ cut here ]------------
| [  101.286194][  T434] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 2/434
| [  101.286430][  T434] Modules linked in: xfrm_user nf_tables
| [  101.286832][  T434] Tainted: [W]=WARN
[  101.286921][  T434] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.287069][  T434] Workqueue: events_unbound linkwatch_event
[  101.287225][  T434] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.287382][  T434] 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
[  101.287819][  T434] RSP: 0018:ffa0000000e879e0 EFLAGS: 00010286
[  101.287969][  T434] RAX: 00000000ffffffa6 RBX: ff11000009aa7000 RCX: 1ff40000001d0f02
[  101.288146][  T434] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009aa70bc
[  101.288329][  T434] RBP: ff1100000df29000 R08: 1fe2200001354e19 R09: ff110000100f2ea8
[  101.288507][  T434] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[  101.288690][  T434] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  101.288869][  T434] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  101.289084][  T434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.289230][  T434] CR2: 00007fa582b42574 CR3: 000000004994d001 CR4: 0000000000771ef0
[  101.289413][  T434] PKRU: 55555554
[  101.289502][  T434] Call Trace:
[  101.289593][  T434]  <TASK>
[  101.289660][  T434]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.289778][  T434]  ? notifier_call_chain (kernel/notifier.c:85)
[  101.289895][  T434]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.289985][  T434]  netif_state_change (net/core/dev.c:1605)
[  101.290104][  T434]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  101.290252][  T434]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  101.290375][  T434]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  101.290494][  T434]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.290619][  T434]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  101.290742][  T434]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  101.290860][  T434]  process_one_work (kernel/workqueue.c:3314)
[  101.290982][  T434]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  101.291098][  T434]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.291221][  T434]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  101.291348][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  101.291466][  T434]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[  101.291589][  T434]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  101.291713][  T434]  kthread (kernel/kthread.c:436)
[  101.291803][  T434]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  101.291956][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[  101.292074][  T434]  ret_from_fork (arch/x86/kernel/process.c:158)
[  101.292194][  T434]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  101.292349][  T434]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  101.292468][  T434]  ? kthread_affine_node (kernel/kthread.c:378)
[  101.292590][  T434]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  101.463233][ T2853] ------------[ cut here ]------------
| [  101.463439][ T2853] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2853
| [  101.463778][ T2853] Modules linked in: xfrm_user nf_tables
| [  101.464284][ T2853] Tainted: [W]=WARN
[  101.464441][ T2853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.464677][ T2853] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.464899][ T2853] 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
[  101.465432][ T2853] RSP: 0018:ffa0000003daee30 EFLAGS: 00010286
[  101.465667][ T2853] RAX: 00000000ffffffa6 RBX: ff11000010926900 RCX: 1ff40000007b5d8c
[  101.465913][ T2853] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109269bc
[  101.466159][ T2853] RBP: ff1100000a82c000 R08: 1fe2200002124d39 R09: ff1100000a8eae80
[  101.466414][ T2853] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  101.466682][ T2853] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000df50e80
[  101.466931][ T2853] FS:  00007febe762c840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  101.467213][ T2853] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.467438][ T2853] CR2: 00000000004eb188 CR3: 000000000de0a002 CR4: 0000000000771ef0
[  101.467704][ T2853] PKRU: 55555554
[  101.467853][ T2853] Call Trace:
[  101.468000][ T2853]  <TASK>
[  101.468117][ T2853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.468308][ T2853]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.468499][ T2853]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.468672][ T2853]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[  101.468854][ T2853]  __dev_notify_flags (net/core/dev.c:9787)
[  101.469037][ T2853]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[  101.469218][ T2853]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[  101.469409][ T2853]  ? netif_change_name (net/core/dev.c:1495)
[  101.469597][ T2853]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.469793][ T2853]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.469973][ T2853]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.470154][ T2853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.470344][ T2853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.470528][ T2853]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  101.470725][ T2853]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  101.470906][ T2853]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  101.471090][ T2853]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[  101.471274][ T2853]  veth_newlink (drivers/net/veth.c:1871)
[  101.471465][ T2853]  ? veth_poll_controller (drivers/net/veth.c:1470)
[  101.471667][ T2853]  ? kasan_save_stack (mm/kasan/common.c:57)
[  101.471849][ T2853]  ? kasan_save_track (mm/kasan/common.c:78)
[  101.472030][ T2853]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  101.472228][ T2853]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[  101.472419][ T2853]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[  101.472616][ T2853]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  101.472808][ T2853]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  101.472994][ T2853]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[  101.473177][ T2853]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[  101.473371][ T2853]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  101.473559][ T2853]  ? __dev_get_by_name (net/core/dev.c:883)
[  101.473756][ T2853]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  101.473943][ T2853]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  101.474130][ T2853]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.474321][ T2853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.474503][ T2853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.474703][ T2853]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.474885][ T2853]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.475065][ T2853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.475254][ T2853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.475445][ T2853]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.475634][ T2853]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.475829][ T2853]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.476010][ T2853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.476189][ T2853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.476378][ T2853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.476566][ T2853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.476764][ T2853]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.476945][ T2853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.477128][ T2853]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.477320][ T2853]  ? 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))
[  101.477512][ T2853]  ? 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))
[  101.477715][ T2853]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.477900][ T2853]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.478086][ T2853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.478268][ T2853]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.478460][ T2853]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.478668][ T2853]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.478852][ T2853]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.479033][ T2853]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.479213][ T2853]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.479435][ T2853]  ? move_addr_to_kernel (net/socket.c:258)
[  101.479627][ T2853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.479823][ T2853]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[  101.480005][ T2853]  ___sys_sendmsg (net/socket.c:2752)
[  101.480186][ T2853]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[  101.480376][ T2853]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.480569][ T2853]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[  101.480769][ T2853]  ? 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))
[  101.480956][ T2853]  __sys_sendmsg (net/socket.c:2784)
[  101.481138][ T2853]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.481329][ T2853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.481514][ T2853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.481711][ T2853]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.481892][ T2853]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.482072][ T2853]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.482254][ T2853]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.482477][ T2853] RIP: 0033:0x7febe786608e
[  101.482682][ T2853] 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
[  101.483202][ T2853] RSP: 002b:00007fff30995af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.483463][ T2853] RAX: ffffffffffffffda RBX: 00007fff30996288 RCX: 00007febe786608e
[  101.483732][ T2853] RDX: 0000000000000000 RSI: 00007fff30995ba0 RDI: 0000000000000005
[  101.483980][ T2853] RBP: 00007fff30995b00 R08: 0000000000000000 R09: 0000000000000000
[  101.484226][ T2853] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d88f
[  101.484480][ T2853] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff30996260
| [  101.503143][ T2853] ------------[ cut here ]------------
| [  101.503335][ T2853] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2853
| [  101.503668][ T2853] Modules linked in: xfrm_user nf_tables
| [  101.504169][ T2853] Tainted: [W]=WARN
[  101.504325][ T2853] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.504548][ T2853] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.504784][ T2853] 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
[  101.505305][ T2853] RSP: 0018:ffa0000003daf1b0 EFLAGS: 00010286
[  101.505525][ T2853] RAX: 00000000ffffffa6 RBX: ff1100000e711700 RCX: 1ff40000007b5dfc
[  101.505783][ T2853] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e7117bc
[  101.506029][ T2853] RBP: ff1100000ea69000 R08: 1fe2200001ce22f9 R09: ff1100000a8eae80
[  101.506274][ T2853] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  101.506528][ T2853] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[  101.506788][ T2853] FS:  00007febe762c840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  101.507065][ T2853] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.507280][ T2853] CR2: 00000000004eb188 CR3: 000000000de0a002 CR4: 0000000000771ef0
[  101.507541][ T2853] PKRU: 55555554
[  101.507721][ T2853] Call Trace:
[  101.507868][ T2853]  <TASK>
[  101.507983][ T2853]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.508167][ T2853]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.508327][ T2853]  __dev_notify_flags (net/core/dev.c:9787)
[  101.508513][ T2853]  ? netif_change_name (net/core/dev.c:1495)
[  101.508708][ T2853]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  101.508889][ T2853]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  101.509073][ T2853]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  101.509256][ T2853]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[  101.509446][ T2853]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  101.509634][ T2853]  ? __dev_get_by_name (net/core/dev.c:883)
[  101.509828][ T2853]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  101.510014][ T2853]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  101.510201][ T2853]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.510396][ T2853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.510586][ T2853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.510779][ T2853]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.510958][ T2853]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.511138][ T2853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.511330][ T2853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.511516][ T2853]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.511715][ T2853]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.511896][ T2853]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.512075][ T2853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.512254][ T2853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.512445][ T2853]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.512629][ T2853]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.512825][ T2853]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.513005][ T2853]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.513190][ T2853]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.513380][ T2853]  ? 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))
[  101.513566][ T2853]  ? 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))
[  101.513760][ T2853]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.513942][ T2853]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.514122][ T2853]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.514308][ T2853]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.514492][ T2853]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.514698][ T2853]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.514880][ T2853]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.515060][ T2853]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.515239][ T2853]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.515458][ T2853]  ? move_addr_to_kernel (net/socket.c:258)
[  101.515665][ T2853]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.515845][ T2853]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[  101.516028][ T2853]  ___sys_sendmsg (net/socket.c:2752)
[  101.516206][ T2853]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[  101.516397][ T2853]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.516593][ T2853]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[  101.516790][ T2853]  ? 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))
[  101.516972][ T2853]  __sys_sendmsg (net/socket.c:2784)
[  101.517151][ T2853]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.517347][ T2853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.517529][ T2853]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.517722][ T2853]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.517902][ T2853]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.518081][ T2853]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.518261][ T2853]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.518480][ T2853] RIP: 0033:0x7febe786608e
[  101.518682][ T2853] 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
[  101.519198][ T2853] RSP: 002b:00007fff30995af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.519452][ T2853] RAX: ffffffffffffffda RBX: 00007fff30996288 RCX: 00007febe786608e
[  101.519718][ T2853] RDX: 0000000000000000 RSI: 00007fff30995ba0 RDI: 0000000000000005
[  101.519964][ T2853] RBP: 00007fff30995b00 R08: 0000000000000000 R09: 0000000000000000
[  101.520207][ T2853] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d88f
[  101.520458][ T2853] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff30996260
| [  101.532145][   T57] ------------[ cut here ]------------
| [  101.532282][   T57] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/57
| [  101.532535][   T57] Modules linked in: xfrm_user nf_tables
| [  101.533146][   T57] Tainted: [W]=WARN
[  101.533235][   T57] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.533388][   T57] Workqueue: events_unbound linkwatch_event
[  101.533543][   T57] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.533704][   T57] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  101.534134][   T57] RSP: 0018:ffa00000003df9e0 EFLAGS: 00010286
[  101.534282][   T57] RAX: 00000000ffffffa6 RBX: ff1100000e710740 RCX: 1ff400000007bf02
[  101.534467][   T57] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e7107fc
[  101.534665][   T57] RBP: ff1100001349c000 R08: 1fe2200001ce2101 R09: ff1100000521d1a8
[  101.534840][   T57] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[  101.535015][   T57] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  101.535192][   T57] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  101.535408][   T57] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.535559][   T57] CR2: 000055d3d5b6bd5c CR3: 000000000a109002 CR4: 0000000000771ef0
[  101.535748][   T57] PKRU: 55555554
[  101.535837][   T57] Call Trace:
[  101.535924][   T57]  <TASK>
[  101.535986][   T57]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.536105][   T57]  ? notifier_call_chain (kernel/notifier.c:85)
[  101.536225][   T57]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.536328][   T57]  netif_state_change (net/core/dev.c:1605)
[  101.536447][   T57]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  101.536598][   T57]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  101.536722][   T57]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  101.536839][   T57]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.536961][   T57]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  101.537078][   T57]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  101.537197][   T57]  process_one_work (kernel/workqueue.c:3314)
[  101.537325][   T57]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  101.537448][   T57]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.537573][   T57]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  101.537699][   T57]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  101.537817][   T57]  kthread (kernel/kthread.c:436)
[  101.537908][   T57]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  101.538054][   T57]  ? kthread_affine_node (kernel/kthread.c:378)
[  101.538172][   T57]  ret_from_fork (arch/x86/kernel/process.c:158)
[  101.538290][   T57]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  101.538444][   T57]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  101.538566][   T57]  ? kthread_affine_node (kernel/kthread.c:378)
[  101.538690][   T57]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  101.641428][ T2857] ------------[ cut here ]------------
| [  101.641582][ T2857] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2857
| [  101.641855][ T2857] Modules linked in: xfrm_user nf_tables
| [  101.642258][ T2857] Tainted: [W]=WARN
[  101.642361][ T2857] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.642527][ T2857] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.642701][ T2857] 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
[  101.643163][ T2857] RSP: 0018:ffa0000003d9f020 EFLAGS: 00010286
[  101.643331][ T2857] RAX: 00000000ffffffa6 RBX: ff11000013400e40 RCX: 1ff40000007b3dca
[  101.643527][ T2857] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013400efc
[  101.643727][ T2857] RBP: ff1100000ea69000 R08: 1fe22000026801e1 R09: ff110000138d8b58
[  101.643921][ T2857] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[  101.644113][ T2857] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  101.644312][ T2857] FS:  00007fd7ab107840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[  101.644545][ T2857] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.644716][ T2857] CR2: 000000002a6e9988 CR3: 0000000013422003 CR4: 0000000000771ef0
[  101.644910][ T2857] PKRU: 55555554
[  101.645006][ T2857] Call Trace:
[  101.645103][ T2857]  <TASK>
[  101.645171][ T2857]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.645306][ T2857]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.645405][ T2857]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  101.645539][ T2857]  __dev_notify_flags (net/core/dev.c:9787)
[  101.645676][ T2857]  ? netif_change_name (net/core/dev.c:1495)
[  101.645806][ T2857]  ? __dev_change_flags (net/core/dev.c:9752)
[  101.645936][ T2857]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  101.646066][ T2857]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.646196][ T2857]  ? 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))
[  101.646334][ T2857]  netif_change_flags (net/core/dev.c:9820)
[  101.646466][ T2857]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  101.646599][ T2857]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  101.646735][ T2857]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  101.646865][ T2857]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  101.647026][ T2857]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.647157][ T2857]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.647287][ T2857]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  101.647425][ T2857]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.647560][ T2857]  ? __kernel_text_address (kernel/extable.c:79)
[  101.647695][ T2857]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.647827][ T2857]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.647957][ T2857]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.648087][ T2857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.648217][ T2857]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  101.648353][ T2857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.648481][ T2857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.648613][ T2857]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  101.648750][ T2857]  ? __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)
[  101.648881][ T2857]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  101.649010][ T2857]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.649140][ T2857]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  101.649272][ T2857]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  101.649408][ T2857]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.649543][ T2857]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.649677][ T2857]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.649806][ T2857]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.649936][ T2857]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.650065][ T2857]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.650196][ T2857]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.650332][ T2857]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.650462][ T2857]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.650596][ T2857]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.650731][ T2857]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.650861][ T2857]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.650990][ T2857]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.651120][ T2857]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.651250][ T2857]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.651389][ T2857]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.651522][ T2857]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.651658][ T2857]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.651789][ T2857]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.651921][ T2857]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.652057][ T2857]  ? 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))
[  101.652187][ T2857]  ? 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))
[  101.652325][ T2857]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.652456][ T2857]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.652591][ T2857]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.652730][ T2857]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.652862][ T2857]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.652993][ T2857]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.653126][ T2857]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.653263][ T2857]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.653403][ T2857]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.653568][ T2857]  ? move_addr_to_kernel (net/socket.c:258)
[  101.653706][ T2857]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.653837][ T2857]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.653968][ T2857]  ___sys_sendmsg (net/socket.c:2752)
[  101.654096][ T2857]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  101.654259][ T2857]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.654410][ T2857]  __sys_sendmsg (net/socket.c:2784)
[  101.654544][ T2857]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.654680][ T2857]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  101.654844][ T2857]  ? 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)
[  101.654975][ T2857]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.655108][ T2857]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.655238][ T2857]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.655378][ T2857]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.655511][ T2857]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.655679][ T2857] RIP: 0033:0x7fd7ab34108e
[  101.655816][ T2857] 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
[  101.656277][ T2857] RSP: 002b:00007ffef45490e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.656479][ T2857] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd7ab34108e
[  101.656682][ T2857] RDX: 0000000000000000 RSI: 00007ffef4549190 RDI: 0000000000000005
[  101.656875][ T2857] RBP: 00007ffef45490f0 R08: 0000000000000000 R09: 0000000000000000
[  101.657070][ T2857] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d88f
[  101.657266][ T2857] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffef4549850
| [  101.773053][ T2861] ------------[ cut here ]------------
| [  101.773203][ T2861] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2861
| [  101.773468][ T2861] Modules linked in: xfrm_user nf_tables
| [  101.773882][ T2861] Tainted: [W]=WARN
[  101.773979][ T2861] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.774139][ T2861] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.774312][ T2861] 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
[  101.774780][ T2861] RSP: 0018:ffa0000003d9f020 EFLAGS: 00010286
[  101.774943][ T2861] RAX: 00000000ffffffa6 RBX: ff1100000b82fc40 RCX: 1ff40000007b3dca
[  101.775137][ T2861] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b82fcfc
[  101.775337][ T2861] RBP: ff1100000a82c000 R08: 1fe2200001705fa1 R09: ff11000012d0ae58
[  101.775532][ T2861] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[  101.775729][ T2861] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  101.775922][ T2861] FS:  00007f9fbe442840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[  101.776149][ T2861] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.776319][ T2861] CR2: 00007f9fbe7121a0 CR3: 0000000012d2b002 CR4: 0000000000771ef0
[  101.776526][ T2861] PKRU: 55555554
[  101.776623][ T2861] Call Trace:
[  101.776726][ T2861]  <TASK>
[  101.776793][ T2861]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.776924][ T2861]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.777022][ T2861]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  101.777150][ T2861]  __dev_notify_flags (net/core/dev.c:9787)
[  101.777281][ T2861]  ? netif_change_name (net/core/dev.c:1495)
[  101.777418][ T2861]  ? __dev_change_flags (net/core/dev.c:9752)
[  101.777556][ T2861]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  101.777691][ T2861]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.777821][ T2861]  ? 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))
[  101.777952][ T2861]  netif_change_flags (net/core/dev.c:9820)
[  101.778083][ T2861]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  101.778213][ T2861]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  101.778351][ T2861]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  101.778482][ T2861]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  101.778645][ T2861]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  101.778777][ T2861]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.778906][ T2861]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  101.779036][ T2861]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.779163][ T2861]  ? __kernel_text_address (kernel/extable.c:79)
[  101.779291][ T2861]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.779427][ T2861]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.779558][ T2861]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.779703][ T2861]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.779835][ T2861]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  101.779963][ T2861]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.780092][ T2861]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.780221][ T2861]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  101.780359][ T2861]  ? __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)
[  101.780488][ T2861]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  101.780621][ T2861]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  101.780757][ T2861]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  101.780888][ T2861]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  101.781021][ T2861]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.781154][ T2861]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.781281][ T2861]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.781416][ T2861]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.781549][ T2861]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.781752][ T2861]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.781884][ T2861]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.782108][ T2861]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.782236][ T2861]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.782368][ T2861]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.782498][ T2861]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.782630][ T2861]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.782832][ T2861]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.782960][ T2861]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.783088][ T2861]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.783218][ T2861]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.783351][ T2861]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.783480][ T2861]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.783612][ T2861]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.783818][ T2861]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.783950][ T2861]  ? 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))
[  101.784077][ T2861]  ? 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))
[  101.784208][ T2861]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.784340][ T2861]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.784470][ T2861]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.784603][ T2861]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.784821][ T2861]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.784951][ T2861]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.785080][ T2861]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.785208][ T2861]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.785339][ T2861]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.785499][ T2861]  ? move_addr_to_kernel (net/socket.c:258)
[  101.785633][ T2861]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  101.785847][ T2861]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.785977][ T2861]  ___sys_sendmsg (net/socket.c:2752)
[  101.786106][ T2861]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  101.786268][ T2861]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.786415][ T2861]  __sys_sendmsg (net/socket.c:2784)
[  101.786547][ T2861]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.786717][ T2861]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  101.786878][ T2861]  ? 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)
[  101.787006][ T2861]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.787135][ T2861]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.787264][ T2861]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.787400][ T2861]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.787535][ T2861]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.787700][ T2861] RIP: 0033:0x7f9fbe67c08e
[  101.787837][ T2861] 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
[  101.788300][ T2861] RSP: 002b:00007ffc8d8f79b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.788494][ T2861] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9fbe67c08e
[  101.788693][ T2861] RDX: 0000000000000000 RSI: 00007ffc8d8f7a60 RDI: 0000000000000005
[  101.788887][ T2861] RBP: 00007ffc8d8f79c0 R08: 0000000000000000 R09: 0000000000000000
[  101.789078][ T2861] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d890
[  101.789271][ T2861] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8d8f8120
| [  101.791440][   T46] ------------[ cut here ]------------
| [  101.791573][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/46
| [  101.791818][   T46] Modules linked in: xfrm_user nf_tables
| [  101.792212][   T46] Tainted: [W]=WARN
[  101.792304][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.792450][   T46] Workqueue: events_unbound linkwatch_event
[  101.792602][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.792763][   T46] 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
[  101.793187][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[  101.793343][   T46] RAX: 00000000ffffffa6 RBX: ff11000005703a80 RCX: 1ff4000000065f02
[  101.793519][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005703b3c
[  101.793730][   T46] RBP: ff1100000a82c000 R08: 1fe2200000ae0769 R09: ff110000024a0ba8
[  101.793904][   T46] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[  101.794077][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  101.794253][   T46] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  101.794463][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.794613][   T46] CR2: 00007f4cd72fcf98 CR3: 000000004994d001 CR4: 0000000000771ef0
[  101.794795][   T46] PKRU: 55555554
[  101.794881][   T46] Call Trace:
[  101.794968][   T46]  <TASK>
[  101.795029][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.795147][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[  101.795264][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.795364][   T46]  netif_state_change (net/core/dev.c:1605)
[  101.795481][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  101.795629][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  101.795747][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  101.795863][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.795984][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  101.796099][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  101.796216][   T46]  process_one_work (kernel/workqueue.c:3314)
[  101.796339][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  101.796454][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.796576][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  101.796699][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  101.796815][   T46]  kthread (kernel/kthread.c:436)
[  101.796908][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  101.797052][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[  101.797168][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[  101.797285][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  101.797436][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  101.797557][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[  101.797680][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  101.800078][   T46] ------------[ cut here ]------------
| [  101.800207][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/46
| [  101.800446][   T46] Modules linked in: xfrm_user nf_tables
| [  101.800852][   T46] Tainted: [W]=WARN
[  101.800940][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.801085][   T46] Workqueue: events_unbound linkwatch_event
[  101.801237][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.801391][   T46] 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
[  101.801822][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[  101.801968][   T46] RAX: 00000000ffffffa6 RBX: ff110000057031c0 RCX: 1ff4000000065f02
[  101.802152][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000570327c
[  101.802331][   T46] RBP: ff1100000ea69000 R08: 1fe2200000ae0651 R09: ff110000024a0ba8
[  101.802509][   T46] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[  101.802686][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  101.802865][   T46] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  101.803067][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.803214][   T46] CR2: 00007f4cd72fcf98 CR3: 000000004994d001 CR4: 0000000000771ef0
[  101.803396][   T46] PKRU: 55555554
[  101.803484][   T46] Call Trace:
[  101.803572][   T46]  <TASK>
[  101.803633][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.803755][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[  101.803871][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.803959][   T46]  netif_state_change (net/core/dev.c:1605)
[  101.804077][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  101.804221][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  101.804341][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  101.804459][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.804581][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  101.804702][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  101.804818][   T46]  process_one_work (kernel/workqueue.c:3314)
[  101.804937][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  101.805052][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.805171][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  101.805302][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  101.805418][   T46]  kthread (kernel/kthread.c:436)
[  101.805509][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  101.805657][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[  101.805774][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[  101.805890][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  101.806033][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  101.806151][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[  101.806266][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  101.977623][ T2869] ------------[ cut here ]------------
| [  101.977786][ T2869] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2869
| [  101.978057][ T2869] Modules linked in: xfrm_user nf_tables
| [  101.978476][ T2869] Tainted: [W]=WARN
[  101.978585][ T2869] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  101.978762][ T2869] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  101.978940][ T2869] 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
[  101.979433][ T2869] RSP: 0018:ffa0000003e0ee30 EFLAGS: 00010286
[  101.979608][ T2869] RAX: 00000000ffffffa6 RBX: ff1100000d529e00 RCX: 1ff40000007c1d8c
[  101.979815][ T2869] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d529ebc
[  101.980017][ T2869] RBP: ff11000013a79000 R08: 1fe2200001aa53d9 R09: ff1100000e602e80
[  101.980217][ T2869] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  101.980421][ T2869] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000124c8080
[  101.980627][ T2869] FS:  00007f64bc0dd840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[  101.980866][ T2869] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  101.981036][ T2869] CR2: 00000000004eb188 CR3: 0000000008d68001 CR4: 0000000000771ef0
[  101.981237][ T2869] PKRU: 55555554
[  101.981343][ T2869] Call Trace:
[  101.981443][ T2869]  <TASK>
[  101.981516][ T2869]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  101.981661][ T2869]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  101.981763][ T2869]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  101.981929][ T2869]  __dev_notify_flags (net/core/dev.c:9787)
[  101.982067][ T2869]  ? netif_change_name (net/core/dev.c:1495)
[  101.982200][ T2869]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.982339][ T2869]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.982471][ T2869]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.982609][ T2869]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[  101.982781][ T2869]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.982921][ T2869]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  101.983056][ T2869]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  101.983189][ T2869]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  101.983328][ T2869]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[  101.983466][ T2869]  veth_newlink (drivers/net/veth.c:1871)
[  101.983606][ T2869]  ? veth_poll_controller (drivers/net/veth.c:1470)
[  101.983743][ T2869]  ? kasan_save_stack (mm/kasan/common.c:57)
[  101.983877][ T2869]  ? kasan_save_track (mm/kasan/common.c:78)
[  101.984010][ T2869]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  101.984159][ T2869]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[  101.984292][ T2869]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[  101.984436][ T2869]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  101.984574][ T2869]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  101.984773][ T2869]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[  101.984911][ T2869]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[  101.985046][ T2869]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  101.985181][ T2869]  ? __dev_get_by_name (net/core/dev.c:883)
[  101.985320][ T2869]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  101.985462][ T2869]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  101.985605][ T2869]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  101.985799][ T2869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.985933][ T2869]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.986067][ T2869]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.986200][ T2869]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  101.986340][ T2869]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.986480][ T2869]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.986623][ T2869]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  101.986765][ T2869]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  101.986904][ T2869]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  101.987038][ T2869]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.987173][ T2869]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.987315][ T2869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  101.987450][ T2869]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  101.987590][ T2869]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  101.987759][ T2869]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  101.987895][ T2869]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  101.988034][ T2869]  ? 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))
[  101.988167][ T2869]  ? 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))
[  101.988306][ T2869]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  101.988443][ T2869]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  101.988583][ T2869]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  101.988726][ T2869]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  101.988863][ T2869]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  101.988997][ T2869]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  101.989135][ T2869]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  101.989269][ T2869]  ? copy_msghdr_from_user (net/socket.c:2635)
[  101.989407][ T2869]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  101.989578][ T2869]  ? move_addr_to_kernel (net/socket.c:258)
[  101.989721][ T2869]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  101.989857][ T2869]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[  101.989993][ T2869]  ___sys_sendmsg (net/socket.c:2752)
[  101.990127][ T2869]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[  101.990263][ T2869]  ? copy_msghdr_from_user (net/socket.c:2603)
[  101.990407][ T2869]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[  101.990551][ T2869]  ? 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))
[  101.990693][ T2869]  __sys_sendmsg (net/socket.c:2784)
[  101.990830][ T2869]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  101.990968][ T2869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.991102][ T2869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  101.991238][ T2869]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  101.991378][ T2869]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  101.991514][ T2869]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  101.991659][ T2869]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  101.991828][ T2869] RIP: 0033:0x7f64bc31708e
[  101.991969][ T2869] 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
[  101.992457][ T2869] RSP: 002b:00007ffc81be4760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  101.992667][ T2869] RAX: ffffffffffffffda RBX: 00007ffc81be4ef8 RCX: 00007f64bc31708e
[  101.992868][ T2869] RDX: 0000000000000000 RSI: 00007ffc81be4810 RDI: 0000000000000005
[  101.993069][ T2869] RBP: 00007ffc81be4770 R08: 0000000000000000 R09: 0000000000000000
[  101.993270][ T2869] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d890
[  101.993473][ T2869] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc81be4ed0
| [  102.001188][ T2869] ------------[ cut here ]------------
| [  102.001337][ T2869] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2869
| [  102.001605][ T2869] Modules linked in: xfrm_user nf_tables
| [  102.002542][ T2869] Tainted: [W]=WARN
[  102.002645][ T2869] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.002872][ T2869] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  102.003045][ T2869] 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
[  102.003528][ T2869] RSP: 0018:ffa0000003e0f1b0 EFLAGS: 00010286
[  102.003752][ T2869] RAX: 00000000ffffffa6 RBX: ff11000012ff2200 RCX: 1ff40000007c1dfc
[  102.003952][ T2869] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012ff22bc
[  102.004150][ T2869] RBP: ff11000009804000 R08: 1fe22000025fe459 R09: ff1100000e602e80
[  102.004354][ T2869] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  102.004558][ T2869] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[  102.004817][ T2869] FS:  00007f64bc0dd840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[  102.005050][ T2869] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.005217][ T2869] CR2: 00000000004eb188 CR3: 0000000008d68001 CR4: 0000000000771ef0
[  102.005424][ T2869] PKRU: 55555554
[  102.005528][ T2869] Call Trace:
[  102.005627][ T2869]  <TASK>
[  102.005754][ T2869]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  102.005890][ T2869]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  102.005992][ T2869]  __dev_notify_flags (net/core/dev.c:9787)
[  102.006128][ T2869]  ? netif_change_name (net/core/dev.c:1495)
[  102.006263][ T2869]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  102.006401][ T2869]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  102.006540][ T2869]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  102.006732][ T2869]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[  102.006867][ T2869]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  102.006999][ T2869]  ? __dev_get_by_name (net/core/dev.c:883)
[  102.007131][ T2869]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  102.007269][ T2869]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  102.007412][ T2869]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  102.007551][ T2869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.007740][ T2869]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.007873][ T2869]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.008005][ T2869]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  102.008139][ T2869]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.008276][ T2869]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.008418][ T2869]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.008556][ T2869]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  102.008747][ T2869]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.008880][ T2869]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.009014][ T2869]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.009150][ T2869]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.009281][ T2869]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.009421][ T2869]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  102.009561][ T2869]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.009752][ T2869]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.009888][ T2869]  ? 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))
[  102.010022][ T2869]  ? 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))
[  102.010158][ T2869]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.010300][ T2869]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.010434][ T2869]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.010572][ T2869]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  102.010766][ T2869]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  102.010901][ T2869]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  102.011037][ T2869]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  102.011171][ T2869]  ? copy_msghdr_from_user (net/socket.c:2635)
[  102.011309][ T2869]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  102.011476][ T2869]  ? move_addr_to_kernel (net/socket.c:258)
[  102.011615][ T2869]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.011809][ T2869]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[  102.011942][ T2869]  ___sys_sendmsg (net/socket.c:2752)
[  102.012075][ T2869]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[  102.012208][ T2869]  ? copy_msghdr_from_user (net/socket.c:2603)
[  102.012350][ T2869]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[  102.012486][ T2869]  ? 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))
[  102.012626][ T2869]  __sys_sendmsg (net/socket.c:2784)
[  102.012819][ T2869]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  102.012956][ T2869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.013090][ T2869]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.013225][ T2869]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  102.013365][ T2869]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  102.013500][ T2869]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  102.013636][ T2869]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.013859][ T2869] RIP: 0033:0x7f64bc31708e
[  102.014000][ T2869] 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
[  102.014478][ T2869] RSP: 002b:00007ffc81be4760 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  102.014743][ T2869] RAX: ffffffffffffffda RBX: 00007ffc81be4ef8 RCX: 00007f64bc31708e
[  102.014943][ T2869] RDX: 0000000000000000 RSI: 00007ffc81be4810 RDI: 0000000000000005
[  102.015143][ T2869] RBP: 00007ffc81be4770 R08: 0000000000000000 R09: 0000000000000000
[  102.015345][ T2869] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d890
[  102.015548][ T2869] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc81be4ed0
| [  102.117389][ T2873] ------------[ cut here ]------------
| [  102.117545][ T2873] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2873
| [  102.117808][ T2873] Modules linked in: xfrm_user nf_tables
| [  102.118200][ T2873] Tainted: [W]=WARN
[  102.118302][ T2873] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.118464][ T2873] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  102.118635][ T2873] 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
[  102.119099][ T2873] RSP: 0018:ffa0000003d9f020 EFLAGS: 00010286
[  102.119260][ T2873] RAX: 00000000ffffffa6 RBX: ff1100001243fc40 RCX: 1ff40000007b3dca
[  102.119467][ T2873] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243fcfc
[  102.119670][ T2873] RBP: ff11000009804000 R08: 1fe2200002487fa1 R09: ff1100000fb3ae58
[  102.119861][ T2873] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[  102.120053][ T2873] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  102.120246][ T2873] FS:  00007feaa93c0840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  102.120472][ T2873] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.120637][ T2873] CR2: 00007feaa96901a0 CR3: 0000000013b11001 CR4: 0000000000771ef0
[  102.120836][ T2873] PKRU: 55555554
[  102.120932][ T2873] Call Trace:
[  102.121027][ T2873]  <TASK>
[  102.121094][ T2873]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  102.121230][ T2873]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  102.121336][ T2873]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  102.121464][ T2873]  __dev_notify_flags (net/core/dev.c:9787)
[  102.121599][ T2873]  ? netif_change_name (net/core/dev.c:1495)
[  102.121732][ T2873]  ? __dev_change_flags (net/core/dev.c:9752)
[  102.121858][ T2873]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  102.121985][ T2873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.122111][ T2873]  ? 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))
[  102.122242][ T2873]  netif_change_flags (net/core/dev.c:9820)
[  102.122375][ T2873]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  102.122508][ T2873]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  102.122639][ T2873]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  102.122775][ T2873]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  102.122938][ T2873]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.123065][ T2873]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.123193][ T2873]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  102.123326][ T2873]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  102.123456][ T2873]  ? __kernel_text_address (kernel/extable.c:79)
[  102.123588][ T2873]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.123779][ T2873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.123908][ T2873]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  102.124037][ T2873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.124166][ T2873]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  102.124294][ T2873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.124428][ T2873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.124563][ T2873]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  102.124761][ T2873]  ? __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)
[  102.124889][ T2873]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  102.125017][ T2873]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  102.125148][ T2873]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  102.125278][ T2873]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  102.125414][ T2873]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  102.125547][ T2873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.125769][ T2873]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.125903][ T2873]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.126032][ T2873]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  102.126160][ T2873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.126290][ T2873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.126424][ T2873]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.126556][ T2873]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.126689][ T2873]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.126818][ T2873]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.126950][ T2873]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  102.127077][ T2873]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.127204][ T2873]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.127337][ T2873]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.127466][ T2873]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.127596][ T2873]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.127728][ T2873]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  102.127858][ T2873]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.127988][ T2873]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.128119][ T2873]  ? 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))
[  102.128246][ T2873]  ? 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))
[  102.128381][ T2873]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.128514][ T2873]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.128644][ T2873]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.128777][ T2873]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  102.128909][ T2873]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  102.129040][ T2873]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  102.129170][ T2873]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  102.129303][ T2873]  ? copy_msghdr_from_user (net/socket.c:2635)
[  102.129431][ T2873]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  102.129593][ T2873]  ? move_addr_to_kernel (net/socket.c:258)
[  102.129727][ T2873]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  102.129856][ T2873]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.129986][ T2873]  ___sys_sendmsg (net/socket.c:2752)
[  102.130113][ T2873]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  102.130272][ T2873]  ? copy_msghdr_from_user (net/socket.c:2603)
[  102.130416][ T2873]  __sys_sendmsg (net/socket.c:2784)
[  102.130547][ T2873]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  102.130679][ T2873]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  102.130842][ T2873]  ? 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)
[  102.130969][ T2873]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.131099][ T2873]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  102.131227][ T2873]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  102.131361][ T2873]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  102.131488][ T2873]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.131649][ T2873] RIP: 0033:0x7feaa95fa08e
[  102.131787][ T2873] 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
[  102.132244][ T2873] RSP: 002b:00007ffc95fc2500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  102.132439][ T2873] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007feaa95fa08e
[  102.132631][ T2873] RDX: 0000000000000000 RSI: 00007ffc95fc25b0 RDI: 0000000000000005
[  102.132826][ T2873] RBP: 00007ffc95fc2510 R08: 0000000000000000 R09: 0000000000000000
[  102.133016][ T2873] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d890
[  102.133207][ T2873] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc95fc2c70
| [  102.238033][ T2877] ------------[ cut here ]------------
| [  102.238185][ T2877] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2877
| [  102.238454][ T2877] Modules linked in: xfrm_user nf_tables
| [  102.239528][ T2877] Tainted: [W]=WARN
[  102.239627][ T2877] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.239844][ T2877] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  102.240071][ T2877] 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
[  102.240536][ T2877] RSP: 0018:ffa0000003d9f020 EFLAGS: 00010286
[  102.240776][ T2877] RAX: 00000000ffffffa6 RBX: ff11000009a63a80 RCX: 1ff40000007b3dca
[  102.240970][ T2877] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a63b3c
[  102.241163][ T2877] RBP: ff11000013a79000 R08: 1fe220000134c769 R09: ff1100000eb2ae58
[  102.241360][ T2877] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[  102.241554][ T2877] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  102.241804][ T2877] FS:  00007f9beca7f840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[  102.242030][ T2877] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.242190][ T2877] CR2: 000000000c55f988 CR3: 0000000010b2b003 CR4: 0000000000771ef0
[  102.242389][ T2877] PKRU: 55555554
[  102.242486][ T2877] Call Trace:
[  102.242590][ T2877]  <TASK>
[  102.242712][ T2877]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  102.242844][ T2877]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  102.242942][ T2877]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  102.243071][ T2877]  __dev_notify_flags (net/core/dev.c:9787)
[  102.243201][ T2877]  ? netif_change_name (net/core/dev.c:1495)
[  102.243334][ T2877]  ? __dev_change_flags (net/core/dev.c:9752)
[  102.243464][ T2877]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  102.243596][ T2877]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.243783][ T2877]  ? 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))
[  102.243914][ T2877]  netif_change_flags (net/core/dev.c:9820)
[  102.244044][ T2877]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  102.244173][ T2877]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  102.244310][ T2877]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  102.244440][ T2877]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  102.244604][ T2877]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.244789][ T2877]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.244917][ T2877]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  102.245045][ T2877]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  102.245173][ T2877]  ? __kernel_text_address (kernel/extable.c:79)
[  102.245307][ T2877]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.245437][ T2877]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.245570][ T2877]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  102.245726][ T2877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.245855][ T2877]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  102.245982][ T2877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.246109][ T2877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.246237][ T2877]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  102.246370][ T2877]  ? __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)
[  102.246498][ T2877]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  102.246630][ T2877]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  102.246763][ T2877]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  102.246894][ T2877]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  102.247025][ T2877]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  102.247154][ T2877]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.247280][ T2877]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.247414][ T2877]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.247544][ T2877]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  102.247680][ T2877]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.247810][ T2877]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.247938][ T2877]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.248068][ T2877]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.248196][ T2877]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.248332][ T2877]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.248461][ T2877]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  102.248593][ T2877]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.248728][ T2877]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.248854][ T2877]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.248984][ T2877]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.249111][ T2877]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.249240][ T2877]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  102.249370][ T2877]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.249498][ T2877]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.249633][ T2877]  ? 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))
[  102.249769][ T2877]  ? 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))
[  102.249900][ T2877]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.250029][ T2877]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.250158][ T2877]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.250287][ T2877]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  102.250423][ T2877]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  102.250557][ T2877]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  102.250692][ T2877]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  102.250821][ T2877]  ? copy_msghdr_from_user (net/socket.c:2635)
[  102.250948][ T2877]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  102.251105][ T2877]  ? move_addr_to_kernel (net/socket.c:258)
[  102.251234][ T2877]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  102.251366][ T2877]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.251497][ T2877]  ___sys_sendmsg (net/socket.c:2752)
[  102.251629][ T2877]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  102.251792][ T2877]  ? copy_msghdr_from_user (net/socket.c:2603)
[  102.251932][ T2877]  __sys_sendmsg (net/socket.c:2784)
[  102.252060][ T2877]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  102.252187][ T2877]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  102.252354][ T2877]  ? 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)
[  102.252481][ T2877]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.252613][ T2877]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  102.252747][ T2877]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  102.252875][ T2877]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  102.253002][ T2877]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.253162][ T2877] RIP: 0033:0x7f9beccb908e
[  102.253395][ T2877] 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
[  102.253949][ T2877] RSP: 002b:00007ffd2cbf1b50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  102.254143][ T2877] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9beccb908e
[  102.254338][ T2877] RDX: 0000000000000000 RSI: 00007ffd2cbf1c00 RDI: 0000000000000005
[  102.254617][ T2877] RBP: 00007ffd2cbf1b60 R08: 0000000000000000 R09: 0000000000000000
[  102.254814][ T2877] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d890
[  102.255004][ T2877] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2cbf22c0
| [  102.257556][   T46] ------------[ cut here ]------------
| [  102.257737][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/46
| [  102.257971][   T46] Modules linked in: xfrm_user nf_tables
| [  102.258516][   T46] Tainted: [W]=WARN
[  102.258751][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.258976][   T46] Workqueue: events_unbound linkwatch_event
[  102.259261][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  102.259420][   T46] 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
[  102.259895][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[  102.260041][   T46] RAX: 00000000ffffffa6 RBX: ff11000010928200 RCX: 1ff4000000065f02
[  102.260213][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109282bc
[  102.260466][   T46] RBP: ff11000013a79000 R08: 1fe2200002125059 R09: ff110000024a0ba8
[  102.260643][   T46] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[  102.260874][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  102.261048][   T46] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[  102.261361][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.261512][   T46] CR2: 000000000c55f988 CR3: 000000004994d005 CR4: 0000000000771ef0
[  102.261692][   T46] PKRU: 55555554
[  102.261779][   T46] Call Trace:
[  102.261865][   T46]  <TASK>
[  102.261925][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  102.262113][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[  102.262230][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  102.262329][   T46]  netif_state_change (net/core/dev.c:1605)
[  102.262446][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  102.262676][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  102.262791][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  102.262907][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.263026][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  102.263215][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  102.263338][   T46]  process_one_work (kernel/workqueue.c:3314)
[  102.263461][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  102.263582][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.263708][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  102.263829][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  102.263945][   T46]  kthread (kernel/kthread.c:436)
[  102.264033][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  102.264250][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[  102.264375][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[  102.264492][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  102.264644][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  102.264839][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[  102.264954][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  102.266802][   T46] ------------[ cut here ]------------
| [  102.266928][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/46
| [  102.267161][   T46] Modules linked in: xfrm_user nf_tables
| [  102.267560][   T46] Tainted: [W]=WARN
[  102.267648][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.267801][   T46] Workqueue: events_unbound linkwatch_event
[  102.267951][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  102.268101][   T46] 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
[  102.268528][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[  102.268694][   T46] RAX: 00000000ffffffa6 RBX: ff110000124b18c0 RCX: 1ff4000000065f02
[  102.268872][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000124b197c
[  102.269052][   T46] RBP: ff11000009804000 R08: 1fe2200002496331 R09: ff110000024a0ba8
[  102.269224][   T46] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[  102.269478][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  102.269665][   T46] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  102.269868][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.270015][   T46] CR2: 00007f9becd0a2a0 CR3: 000000004994d005 CR4: 0000000000771ef0
[  102.270189][   T46] PKRU: 55555554
[  102.270280][   T46] Call Trace:
[  102.270373][   T46]  <TASK>
[  102.270434][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  102.270555][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[  102.270677][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  102.270767][   T46]  netif_state_change (net/core/dev.c:1605)
[  102.270888][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  102.271039][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  102.271155][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  102.271272][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.271397][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  102.271514][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  102.271632][   T46]  process_one_work (kernel/workqueue.c:3314)
[  102.271756][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  102.271873][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.271996][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  102.272117][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  102.272233][   T46]  kthread (kernel/kthread.c:436)
[  102.272326][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  102.272471][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[  102.272591][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[  102.272714][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  102.272861][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  102.272980][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[  102.273096][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  102.445759][ T2885] ------------[ cut here ]------------
| [  102.445956][ T2885] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2885
| [  102.446275][ T2885] Modules linked in: xfrm_user nf_tables
| [  102.446808][ T2885] Tainted: [W]=WARN
[  102.446955][ T2885] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.447168][ T2885] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  102.447401][ T2885] 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
[  102.447936][ T2885] RSP: 0018:ffa0000003e0ee30 EFLAGS: 00010286
[  102.448151][ T2885] RAX: 00000000ffffffa6 RBX: ff1100000d365e00 RCX: 1ff40000007c1d8c
[  102.448407][ T2885] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d365ebc
[  102.448672][ T2885] RBP: ff11000012fa1000 R08: 1fe2200001a6cbd9 R09: ff11000009c5d180
[  102.448917][ T2885] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  102.449162][ T2885] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001227a380
[  102.449421][ T2885] FS:  00007fa2e6875840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  102.449723][ T2885] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.449937][ T2885] CR2: 00000000004eb188 CR3: 0000000009923004 CR4: 0000000000771ef0
[  102.450184][ T2885] PKRU: 55555554
[  102.450340][ T2885] Call Trace:
[  102.450489][ T2885]  <TASK>
[  102.450614][ T2885]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  102.450809][ T2885]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  102.450958][ T2885]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  102.451170][ T2885]  __dev_notify_flags (net/core/dev.c:9787)
[  102.451363][ T2885]  ? netif_change_name (net/core/dev.c:1495)
[  102.451549][ T2885]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[  102.451743][ T2885]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  102.451924][ T2885]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  102.452106][ T2885]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[  102.452288][ T2885]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.452479][ T2885]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  102.452679][ T2885]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  102.452861][ T2885]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  102.453040][ T2885]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[  102.453223][ T2885]  veth_newlink (drivers/net/veth.c:1871)
[  102.453410][ T2885]  ? veth_poll_controller (drivers/net/veth.c:1470)
[  102.453594][ T2885]  ? kasan_save_stack (mm/kasan/common.c:57)
[  102.453789][ T2885]  ? kasan_save_track (mm/kasan/common.c:78)
[  102.453969][ T2885]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  102.454164][ T2885]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[  102.454350][ T2885]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[  102.454536][ T2885]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  102.454731][ T2885]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  102.454913][ T2885]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[  102.455096][ T2885]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[  102.455278][ T2885]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  102.455466][ T2885]  ? __dev_get_by_name (net/core/dev.c:883)
[  102.455667][ T2885]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  102.455853][ T2885]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  102.456040][ T2885]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  102.456222][ T2885]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.456408][ T2885]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.456595][ T2885]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.456788][ T2885]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  102.456966][ T2885]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.457150][ T2885]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.457341][ T2885]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.457526][ T2885]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  102.457720][ T2885]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.457900][ T2885]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.458079][ T2885]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.458260][ T2885]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.458445][ T2885]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.458633][ T2885]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  102.458826][ T2885]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.459007][ T2885]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.459190][ T2885]  ? 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))
[  102.459377][ T2885]  ? 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))
[  102.459566][ T2885]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.459761][ T2885]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.459942][ T2885]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.460125][ T2885]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  102.460314][ T2885]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  102.460496][ T2885]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  102.460701][ T2885]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  102.460883][ T2885]  ? copy_msghdr_from_user (net/socket.c:2635)
[  102.461063][ T2885]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  102.461277][ T2885]  ? move_addr_to_kernel (net/socket.c:258)
[  102.461468][ T2885]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.461669][ T2885]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[  102.461853][ T2885]  ___sys_sendmsg (net/socket.c:2752)
[  102.462035][ T2885]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[  102.462215][ T2885]  ? copy_msghdr_from_user (net/socket.c:2603)
[  102.462408][ T2885]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[  102.462600][ T2885]  ? 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))
[  102.462797][ T2885]  __sys_sendmsg (net/socket.c:2784)
[  102.462979][ T2885]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  102.463165][ T2885]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.463354][ T2885]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.463538][ T2885]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  102.463734][ T2885]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  102.463912][ T2885]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  102.464095][ T2885]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.464313][ T2885] RIP: 0033:0x7fa2e6aaf08e
[  102.464499][ T2885] 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
[  102.465036][ T2885] RSP: 002b:00007ffe3a2fd2b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  102.465282][ T2885] RAX: ffffffffffffffda RBX: 00007ffe3a2fda48 RCX: 00007fa2e6aaf08e
[  102.465546][ T2885] RDX: 0000000000000000 RSI: 00007ffe3a2fd360 RDI: 0000000000000005
[  102.465800][ T2885] RBP: 00007ffe3a2fd2c0 R08: 0000000000000000 R09: 0000000000000000
[  102.466044][ T2885] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d890
[  102.466290][ T2885] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3a2fda20
| [  102.474358][ T2885] ------------[ cut here ]------------
| [  102.474545][ T2885] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/2885
| [  102.474859][ T2885] Modules linked in: xfrm_user nf_tables
| [  102.475363][ T2885] Tainted: [W]=WARN
[  102.475510][ T2885] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.475738][ T2885] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  102.475955][ T2885] 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
[  102.476474][ T2885] RSP: 0018:ffa0000003e0f1b0 EFLAGS: 00010286
[  102.476705][ T2885] RAX: 00000000ffffffa6 RBX: ff1100000eb1e580 RCX: 1ff40000007c1dfc
[  102.476947][ T2885] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000eb1e63c
[  102.477189][ T2885] RBP: ff11000014dbc000 R08: 1fe2200001d63cc9 R09: ff11000009c5d180
[  102.477440][ T2885] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  102.477702][ T2885] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[  102.477947][ T2885] FS:  00007fa2e6875840(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  102.478224][ T2885] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.478442][ T2885] CR2: 00000000004eb188 CR3: 0000000009923004 CR4: 0000000000771ef0
[  102.478705][ T2885] PKRU: 55555554
[  102.478854][ T2885] Call Trace:
[  102.478999][ T2885]  <TASK>
[  102.479114][ T2885]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  102.479294][ T2885]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  102.479450][ T2885]  __dev_notify_flags (net/core/dev.c:9787)
[  102.479639][ T2885]  ? netif_change_name (net/core/dev.c:1495)
[  102.479835][ T2885]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  102.480014][ T2885]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  102.480199][ T2885]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  102.480388][ T2885]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[  102.480581][ T2885]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  102.480774][ T2885]  ? __dev_get_by_name (net/core/dev.c:883)
[  102.480951][ T2885]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  102.481136][ T2885]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  102.481327][ T2885]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  102.481510][ T2885]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.481704][ T2885]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.481884][ T2885]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.482062][ T2885]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  102.482240][ T2885]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.482432][ T2885]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.482620][ T2885]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.482811][ T2885]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  102.482993][ T2885]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.483171][ T2885]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.483358][ T2885]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.483543][ T2885]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.483733][ T2885]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.483914][ T2885]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  102.484091][ T2885]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.484271][ T2885]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.484465][ T2885]  ? 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))
[  102.484663][ T2885]  ? 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))
[  102.484845][ T2885]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.485025][ T2885]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.485203][ T2885]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.485391][ T2885]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  102.485586][ T2885]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  102.485777][ T2885]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  102.485961][ T2885]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  102.486140][ T2885]  ? copy_msghdr_from_user (net/socket.c:2635)
[  102.486327][ T2885]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  102.486542][ T2885]  ? move_addr_to_kernel (net/socket.c:258)
[  102.486736][ T2885]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.486916][ T2885]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[  102.487096][ T2885]  ___sys_sendmsg (net/socket.c:2752)
[  102.487277][ T2885]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[  102.487465][ T2885]  ? copy_msghdr_from_user (net/socket.c:2603)
[  102.487671][ T2885]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[  102.487854][ T2885]  ? 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))
[  102.488034][ T2885]  __sys_sendmsg (net/socket.c:2784)
[  102.488214][ T2885]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  102.488405][ T2885]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.488596][ T2885]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.488790][ T2885]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  102.488968][ T2885]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  102.489145][ T2885]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  102.489332][ T2885]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.489549][ T2885] RIP: 0033:0x7fa2e6aaf08e
[  102.489747][ T2885] 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
[  102.490261][ T2885] RSP: 002b:00007ffe3a2fd2b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  102.490513][ T2885] RAX: ffffffffffffffda RBX: 00007ffe3a2fda48 RCX: 00007fa2e6aaf08e
[  102.490767][ T2885] RDX: 0000000000000000 RSI: 00007ffe3a2fd360 RDI: 0000000000000005
[  102.491011][ T2885] RBP: 00007ffe3a2fd2c0 R08: 0000000000000000 R09: 0000000000000000
[  102.491252][ T2885] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d890
[  102.491501][ T2885] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe3a2fda20
| [  102.605447][ T2889] ------------[ cut here ]------------
| [  102.605616][ T2889] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2889
| [  102.605893][ T2889] Modules linked in: xfrm_user nf_tables
| [  102.606294][ T2889] Tainted: [W]=WARN
[  102.606399][ T2889] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.606568][ T2889] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  102.607410][ T2889] 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
[  102.607898][ T2889] RSP: 0018:ffa0000003e7f020 EFLAGS: 00010286
[  102.608062][ T2889] RAX: 00000000ffffffa6 RBX: ff11000009a63c40 RCX: 1ff40000007cfdca
[  102.608255][ T2889] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a63cfc
[  102.608458][ T2889] RBP: ff11000014dbc000 R08: 1fe220000134c7a1 R09: ff110000100f5158
[  102.608662][ T2889] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[  102.608854][ T2889] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  102.609048][ T2889] FS:  00007fc2f2168840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[  102.609274][ T2889] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.609444][ T2889] CR2: 0000000017cc6988 CR3: 0000000013081006 CR4: 0000000000771ef0
[  102.609644][ T2889] PKRU: 55555554
[  102.609750][ T2889] Call Trace:
[  102.609847][ T2889]  <TASK>
[  102.609915][ T2889]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  102.610046][ T2889]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  102.610145][ T2889]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  102.610275][ T2889]  __dev_notify_flags (net/core/dev.c:9787)
[  102.610411][ T2889]  ? netif_change_name (net/core/dev.c:1495)
[  102.610544][ T2889]  ? __dev_change_flags (net/core/dev.c:9752)
[  102.610682][ T2889]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  102.610811][ T2889]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.610943][ T2889]  ? 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))
[  102.611075][ T2889]  netif_change_flags (net/core/dev.c:9820)
[  102.611206][ T2889]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  102.611341][ T2889]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  102.611474][ T2889]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  102.611609][ T2889]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  102.611776][ T2889]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.611906][ T2889]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.612034][ T2889]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  102.612163][ T2889]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  102.612293][ T2889]  ? __kernel_text_address (kernel/extable.c:79)
[  102.612428][ T2889]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.612564][ T2889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.612699][ T2889]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  102.612829][ T2889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.612958][ T2889]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  102.613086][ T2889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.613216][ T2889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.613348][ T2889]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  102.613479][ T2889]  ? __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)
[  102.613609][ T2889]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  102.613745][ T2889]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  102.613875][ T2889]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  102.614007][ T2889]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  102.614140][ T2889]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  102.614272][ T2889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.614406][ T2889]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.614539][ T2889]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.614674][ T2889]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  102.614803][ T2889]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.614935][ T2889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.615064][ T2889]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.615192][ T2889]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.615327][ T2889]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.615457][ T2889]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.615590][ T2889]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  102.615726][ T2889]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.615855][ T2889]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.615983][ T2889]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.616115][ T2889]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.616243][ T2889]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.616379][ T2889]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  102.616512][ T2889]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.616644][ T2889]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.616782][ T2889]  ? 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))
[  102.616911][ T2889]  ? 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))
[  102.617043][ T2889]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.617173][ T2889]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.617309][ T2889]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.617441][ T2889]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  102.617576][ T2889]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  102.617711][ T2889]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  102.617844][ T2889]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  102.617973][ T2889]  ? copy_msghdr_from_user (net/socket.c:2635)
[  102.618111][ T2889]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  102.618274][ T2889]  ? move_addr_to_kernel (net/socket.c:258)
[  102.618409][ T2889]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  102.618542][ T2889]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.618680][ T2889]  ___sys_sendmsg (net/socket.c:2752)
[  102.618810][ T2889]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  102.618972][ T2889]  ? copy_msghdr_from_user (net/socket.c:2603)
[  102.619114][ T2889]  __sys_sendmsg (net/socket.c:2784)
[  102.619244][ T2889]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  102.619376][ T2889]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  102.619545][ T2889]  ? 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)
[  102.619681][ T2889]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.619814][ T2889]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  102.619942][ T2889]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  102.620071][ T2889]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  102.620200][ T2889]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.620364][ T2889] RIP: 0033:0x7fc2f23a208e
[  102.620499][ T2889] 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
[  102.620968][ T2889] RSP: 002b:00007ffd6c5eae10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  102.621165][ T2889] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc2f23a208e
[  102.621363][ T2889] RDX: 0000000000000000 RSI: 00007ffd6c5eaec0 RDI: 0000000000000005
[  102.621559][ T2889] RBP: 00007ffd6c5eae20 R08: 0000000000000000 R09: 0000000000000000
[  102.621758][ T2889] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d890
[  102.621951][ T2889] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6c5eb580
| [  102.722737][ T2893] ------------[ cut here ]------------
| [  102.722883][ T2893] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2893
| [  102.723144][ T2893] Modules linked in: xfrm_user nf_tables
| [  102.723549][ T2893] Tainted: [W]=WARN
[  102.723646][ T2893] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.723929][ T2893] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  102.724098][ T2893] 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
[  102.724564][ T2893] RSP: 0018:ffa0000003e8f020 EFLAGS: 00010286
[  102.724802][ T2893] RAX: 00000000ffffffa6 RBX: ff11000005671380 RCX: 1ff40000007d1dca
[  102.724992][ T2893] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000567143c
[  102.725181][ T2893] RBP: ff11000012fa1000 R08: 1fe2200000ace289 R09: ff1100000fa72e58
[  102.725375][ T2893] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[  102.725569][ T2893] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  102.725830][ T2893] FS:  00007fb17eba3840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[  102.726140][ T2893] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.726305][ T2893] CR2: 0000000035598988 CR3: 00000000126db005 CR4: 0000000000771ef0
[  102.726497][ T2893] PKRU: 55555554
[  102.726595][ T2893] Call Trace:
[  102.726767][ T2893]  <TASK>
[  102.726833][ T2893]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  102.726964][ T2893]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  102.727061][ T2893]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  102.727189][ T2893]  __dev_notify_flags (net/core/dev.c:9787)
[  102.727324][ T2893]  ? netif_change_name (net/core/dev.c:1495)
[  102.727451][ T2893]  ? __dev_change_flags (net/core/dev.c:9752)
[  102.727584][ T2893]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  102.727786][ T2893]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.727916][ T2893]  ? 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))
[  102.728046][ T2893]  netif_change_flags (net/core/dev.c:9820)
[  102.728174][ T2893]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  102.728305][ T2893]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  102.728436][ T2893]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  102.728568][ T2893]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  102.728731][ T2893]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  102.728860][ T2893]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.728987][ T2893]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  102.729113][ T2893]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  102.729242][ T2893]  ? __kernel_text_address (kernel/extable.c:79)
[  102.729375][ T2893]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.729507][ T2893]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.729635][ T2893]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  102.729770][ T2893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.729897][ T2893]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  102.730025][ T2893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.730153][ T2893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.730280][ T2893]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  102.730414][ T2893]  ? __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)
[  102.730544][ T2893]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  102.730679][ T2893]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  102.730808][ T2893]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  102.730938][ T2893]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  102.731069][ T2893]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  102.731198][ T2893]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.731329][ T2893]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.731455][ T2893]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.731588][ T2893]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  102.731720][ T2893]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.731849][ T2893]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.731975][ T2893]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.732103][ T2893]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.732230][ T2893]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.732363][ T2893]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.732490][ T2893]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  102.732620][ T2893]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.732754][ T2893]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.732880][ T2893]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.733010][ T2893]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.733136][ T2893]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.733263][ T2893]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  102.733395][ T2893]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.733526][ T2893]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.733662][ T2893]  ? 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))
[  102.733789][ T2893]  ? 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))
[  102.733919][ T2893]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.734049][ T2893]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.734177][ T2893]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.734310][ T2893]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  102.734438][ T2893]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  102.734570][ T2893]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  102.734704][ T2893]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  102.734831][ T2893]  ? copy_msghdr_from_user (net/socket.c:2635)
[  102.734959][ T2893]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  102.735117][ T2893]  ? move_addr_to_kernel (net/socket.c:258)
[  102.735246][ T2893]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  102.735377][ T2893]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.735509][ T2893]  ___sys_sendmsg (net/socket.c:2752)
[  102.735637][ T2893]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  102.735800][ T2893]  ? copy_msghdr_from_user (net/socket.c:2603)
[  102.735939][ T2893]  __sys_sendmsg (net/socket.c:2784)
[  102.736067][ T2893]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  102.736195][ T2893]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  102.736360][ T2893]  ? 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)
[  102.736487][ T2893]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.736619][ T2893]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  102.736752][ T2893]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  102.736879][ T2893]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  102.737007][ T2893]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.737165][ T2893] RIP: 0033:0x7fb17eddd08e
[  102.737302][ T2893] 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
[  102.737763][ T2893] RSP: 002b:00007ffe29e6d3d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  102.737953][ T2893] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb17eddd08e
[  102.738143][ T2893] RDX: 0000000000000000 RSI: 00007ffe29e6d480 RDI: 0000000000000005
[  102.738337][ T2893] RBP: 00007ffe29e6d3e0 R08: 0000000000000000 R09: 0000000000000000
[  102.738531][ T2893] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d890
[  102.738724][ T2893] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe29e6db40
| [  102.740973][   T46] ------------[ cut here ]------------
| [  102.741133][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/46
| [  102.741416][   T46] Modules linked in: xfrm_user nf_tables
| [  102.741916][   T46] Tainted: [W]=WARN
[  102.742048][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.742240][   T46] Workqueue: events_unbound linkwatch_event
[  102.742442][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  102.742683][   T46] 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
[  102.743141][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[  102.743343][   T46] RAX: 00000000ffffffa6 RBX: ff1100000f9b8200 RCX: 1ff4000000065f02
[  102.743568][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f9b82bc
[  102.743815][   T46] RBP: ff11000012fa1000 R08: 1fe2200001f37059 R09: ff110000024a0ba8
[  102.744033][   T46] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  102.744250][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  102.744475][   T46] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  102.744749][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.744941][   T46] CR2: 00007ffe3bb9dff8 CR3: 0000000013a2f003 CR4: 0000000000771ef0
[  102.745160][   T46] PKRU: 55555554
[  102.745292][   T46] Call Trace:
[  102.745505][   T46]  <TASK>
[  102.745617][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  102.745790][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[  102.745953][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  102.746092][   T46]  netif_state_change (net/core/dev.c:1605)
[  102.746332][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  102.746529][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  102.746702][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  102.746864][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.747100][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  102.747262][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  102.747435][   T46]  process_one_work (kernel/workqueue.c:3314)
[  102.747611][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  102.747786][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.747953][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  102.748118][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  102.748279][   T46]  kthread (kernel/kthread.c:436)
[  102.748494][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  102.748701][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[  102.748866][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[  102.749030][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  102.749292][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  102.749463][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[  102.749634][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  102.752021][   T46] ------------[ cut here ]------------
| [  102.752246][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/46
| [  102.752528][   T46] Modules linked in: xfrm_user nf_tables
| [  102.753085][   T46] Tainted: [W]=WARN
[  102.753216][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.753485][   T46] Workqueue: events_unbound linkwatch_event
[  102.753699][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  102.753894][   T46] 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
[  102.754353][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[  102.754548][   T46] RAX: 00000000ffffffa6 RBX: ff11000012dc6040 RCX: 1ff4000000065f02
[  102.754791][   T46] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012dc60fc
[  102.755006][   T46] RBP: ff11000014dbc000 R08: 1fe22000025b8c21 R09: ff110000024a0ba8
[  102.755222][   T46] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[  102.755446][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  102.755684][   T46] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  102.755930][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.756120][   T46] CR2: 00007ffe3bb9dff8 CR3: 0000000013a2f003 CR4: 0000000000771ef0
[  102.756344][   T46] PKRU: 55555554
[  102.756474][   T46] Call Trace:
[  102.756611][   T46]  <TASK>
[  102.756730][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  102.756903][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[  102.757066][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  102.757203][   T46]  netif_state_change (net/core/dev.c:1605)
[  102.757371][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  102.757570][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  102.757744][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  102.757908][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.758075][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  102.758236][   T46]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  102.758406][   T46]  process_one_work (kernel/workqueue.c:3314)
[  102.758583][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  102.758757][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.758922][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  102.759089][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  102.759249][   T46]  kthread (kernel/kthread.c:436)
[  102.759391][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  102.759586][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[  102.759760][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[  102.759923][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  102.760111][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  102.760271][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[  102.760443][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  102.932664][ T2901] ------------[ cut here ]------------
| [  102.932822][ T2901] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2901
| [  102.933090][ T2901] Modules linked in: xfrm_user nf_tables
| [  102.933512][ T2901] Tainted: [W]=WARN
[  102.933614][ T2901] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.933788][ T2901] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  102.933962][ T2901] 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
[  102.934444][ T2901] RSP: 0018:ffa0000003eaee30 EFLAGS: 00010286
[  102.934615][ T2901] RAX: 00000000ffffffa6 RBX: ff11000010928900 RCX: 1ff40000007d5d8c
[  102.934821][ T2901] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109289bc
[  102.935019][ T2901] RBP: ff110000058cc000 R08: 1fe2200002125139 R09: ff11000012d65180
[  102.935216][ T2901] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  102.935422][ T2901] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eaa5580
[  102.935626][ T2901] FS:  00007fe28896a840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[  102.935863][ T2901] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.936029][ T2901] CR2: 00000000004eb188 CR3: 000000001382d003 CR4: 0000000000771ef0
[  102.936230][ T2901] PKRU: 55555554
[  102.936335][ T2901] Call Trace:
[  102.936436][ T2901]  <TASK>
[  102.936509][ T2901]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  102.936646][ T2901]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  102.936754][ T2901]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[  102.936922][ T2901]  __dev_notify_flags (net/core/dev.c:9787)
[  102.937057][ T2901]  ? netif_change_name (net/core/dev.c:1495)
[  102.937189][ T2901]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[  102.937327][ T2901]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  102.937460][ T2901]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  102.937598][ T2901]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[  102.937736][ T2901]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.937871][ T2901]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  102.938005][ T2901]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  102.938137][ T2901]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  102.938270][ T2901]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[  102.938409][ T2901]  veth_newlink (drivers/net/veth.c:1871)
[  102.938549][ T2901]  ? veth_poll_controller (drivers/net/veth.c:1470)
[  102.938687][ T2901]  ? kasan_save_stack (mm/kasan/common.c:57)
[  102.938822][ T2901]  ? kasan_save_track (mm/kasan/common.c:78)
[  102.938955][ T2901]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[  102.939104][ T2901]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[  102.939240][ T2901]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[  102.939377][ T2901]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  102.939514][ T2901]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  102.939658][ T2901]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[  102.939793][ T2901]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[  102.939929][ T2901]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  102.940064][ T2901]  ? __dev_get_by_name (net/core/dev.c:883)
[  102.940197][ T2901]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  102.940341][ T2901]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  102.940481][ T2901]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  102.940620][ T2901]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.940838][ T2901]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.940973][ T2901]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.941109][ T2901]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  102.941245][ T2901]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.941387][ T2901]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.941528][ T2901]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.941753][ T2901]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  102.941887][ T2901]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.942020][ T2901]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.942152][ T2901]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.942286][ T2901]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.942427][ T2901]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.942566][ T2901]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  102.942765][ T2901]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.942900][ T2901]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.943037][ T2901]  ? 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))
[  102.943172][ T2901]  ? 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))
[  102.943314][ T2901]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.943450][ T2901]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.943589][ T2901]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.943804][ T2901]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  102.943940][ T2901]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  102.944075][ T2901]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  102.944210][ T2901]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  102.944348][ T2901]  ? copy_msghdr_from_user (net/socket.c:2635)
[  102.944483][ T2901]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  102.944711][ T2901]  ? move_addr_to_kernel (net/socket.c:258)
[  102.944847][ T2901]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.944983][ T2901]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[  102.945117][ T2901]  ___sys_sendmsg (net/socket.c:2752)
[  102.945249][ T2901]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[  102.945389][ T2901]  ? copy_msghdr_from_user (net/socket.c:2603)
[  102.945532][ T2901]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[  102.945689][ T2901]  ? 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))
[  102.945826][ T2901]  __sys_sendmsg (net/socket.c:2784)
[  102.945961][ T2901]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  102.946101][ T2901]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.946234][ T2901]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.946374][ T2901]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  102.946511][ T2901]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  102.946646][ T2901]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  102.946786][ T2901]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.946953][ T2901] RIP: 0033:0x7fe288ba408e
[  102.947093][ T2901] 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
[  102.947578][ T2901] RSP: 002b:00007fff20d2ce00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  102.947787][ T2901] RAX: ffffffffffffffda RBX: 00007fff20d2d598 RCX: 00007fe288ba408e
[  102.947990][ T2901] RDX: 0000000000000000 RSI: 00007fff20d2ceb0 RDI: 0000000000000005
[  102.948192][ T2901] RBP: 00007fff20d2ce10 R08: 0000000000000000 R09: 0000000000000000
[  102.948398][ T2901] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d891
[  102.948601][ T2901] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff20d2d570
| [  102.956160][ T2901] ------------[ cut here ]------------
| [  102.956309][ T2901] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/2901
| [  102.956576][ T2901] Modules linked in: xfrm_user nf_tables
| [  102.957506][ T2901] Tainted: [W]=WARN
[  102.957608][ T2901] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  102.957838][ T2901] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  102.958011][ T2901] 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
[  102.958484][ T2901] RSP: 0018:ffa0000003eaf1b0 EFLAGS: 00010286
[  102.958714][ T2901] RAX: 00000000ffffffa6 RBX: ff110000027e7a80 RCX: 1ff40000007d5dfc
[  102.958910][ T2901] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000027e7b3c
[  102.959105][ T2901] RBP: ff1100000f98c000 R08: 1fe22000004fcf69 R09: ff11000012d65180
[  102.959305][ T2901] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  102.959507][ T2901] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffb8003b20
[  102.959767][ T2901] FS:  00007fe28896a840(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[  102.959999][ T2901] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  102.960163][ T2901] CR2: 00000000004eb188 CR3: 000000001382d003 CR4: 0000000000771ef0
[  102.960369][ T2901] PKRU: 55555554
[  102.960468][ T2901] Call Trace:
[  102.960571][ T2901]  <TASK>
[  102.960640][ T2901]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  102.960832][ T2901]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  102.960934][ T2901]  __dev_notify_flags (net/core/dev.c:9787)
[  102.961068][ T2901]  ? netif_change_name (net/core/dev.c:1495)
[  102.961202][ T2901]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[  102.961343][ T2901]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[  102.961478][ T2901]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[  102.961615][ T2901]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[  102.961807][ T2901]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[  102.961940][ T2901]  ? __dev_get_by_name (net/core/dev.c:883)
[  102.962071][ T2901]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[  102.962209][ T2901]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[  102.962350][ T2901]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  102.962484][ T2901]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.962620][ T2901]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.962809][ T2901]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.962941][ T2901]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  102.963072][ T2901]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.963207][ T2901]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.963344][ T2901]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  102.963479][ T2901]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  102.963612][ T2901]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  102.963803][ T2901]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.963935][ T2901]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.964069][ T2901]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  102.964199][ T2901]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  102.964338][ T2901]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  102.964470][ T2901]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  102.964607][ T2901]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  102.964799][ T2901]  ? 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))
[  102.964931][ T2901]  ? 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))
[  102.965066][ T2901]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  102.965200][ T2901]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  102.965338][ T2901]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  102.965471][ T2901]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  102.965613][ T2901]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  102.965804][ T2901]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  102.965938][ T2901]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  102.966071][ T2901]  ? copy_msghdr_from_user (net/socket.c:2635)
[  102.966204][ T2901]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  102.966374][ T2901]  ? move_addr_to_kernel (net/socket.c:258)
[  102.966512][ T2901]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  102.966648][ T2901]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[  102.966837][ T2901]  ___sys_sendmsg (net/socket.c:2752)
[  102.966968][ T2901]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[  102.967101][ T2901]  ? copy_msghdr_from_user (net/socket.c:2603)
[  102.967237][ T2901]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[  102.967378][ T2901]  ? 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))
[  102.967515][ T2901]  __sys_sendmsg (net/socket.c:2784)
[  102.967709][ T2901]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  102.967848][ T2901]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.967981][ T2901]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  102.968115][ T2901]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  102.968249][ T2901]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  102.968387][ T2901]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  102.968523][ T2901]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  102.968744][ T2901] RIP: 0033:0x7fe288ba408e
[  102.968883][ T2901] 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
[  102.969363][ T2901] RSP: 002b:00007fff20d2ce00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  102.969566][ T2901] RAX: ffffffffffffffda RBX: 00007fff20d2d598 RCX: 00007fe288ba408e
[  102.969822][ T2901] RDX: 0000000000000000 RSI: 00007fff20d2ceb0 RDI: 0000000000000005
[  102.970019][ T2901] RBP: 00007fff20d2ce10 R08: 0000000000000000 R09: 0000000000000000
[  102.970217][ T2901] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d891
[  102.970419][ T2901] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff20d2d570
| [  103.080284][ T2905] ------------[ cut here ]------------
| [  103.080439][ T2905] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/2905
| [  103.080713][ T2905] Modules linked in: xfrm_user nf_tables
| [  103.081111][ T2905] Tainted: [W]=WARN
[  103.081209][ T2905] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.081376][ T2905] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  103.081547][ T2905] 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
[  103.082014][ T2905] RSP: 0018:ffa0000003ecf020 EFLAGS: 00010286
[  103.082176][ T2905] RAX: 00000000ffffffa6 RBX: ff1100000c540200 RCX: 1ff40000007d9dca
[  103.082374][ T2905] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5402bc
[  103.082574][ T2905] RBP: ff1100000f98c000 R08: 1fe22000018a8059 R09: ff1100000aba8b58
[  103.083163][ T2905] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[  103.083365][ T2905] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  103.083564][ T2905] FS:  00007f3c82a90840(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  103.083793][ T2905] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.083955][ T2905] CR2: 00007f3c82d601a0 CR3: 0000000012fe5005 CR4: 0000000000771ef0
[  103.084149][ T2905] PKRU: 55555554
[  103.084245][ T2905] Call Trace:
[  103.084345][ T2905]  <TASK>
[  103.084413][ T2905]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  103.084548][ T2905]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  103.084648][ T2905]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  103.084781][ T2905]  __dev_notify_flags (net/core/dev.c:9787)
[  103.084912][ T2905]  ? netif_change_name (net/core/dev.c:1495)
[  103.085041][ T2905]  ? __dev_change_flags (net/core/dev.c:9752)
[  103.085170][ T2905]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  103.085306][ T2905]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  103.085437][ T2905]  ? 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))
[  103.085572][ T2905]  netif_change_flags (net/core/dev.c:9820)
[  103.085707][ T2905]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  103.085837][ T2905]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  103.085969][ T2905]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  103.086101][ T2905]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  103.086262][ T2905]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  103.086399][ T2905]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  103.086533][ T2905]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  103.086668][ T2905]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  103.086800][ T2905]  ? __kernel_text_address (kernel/extable.c:79)
[  103.086931][ T2905]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  103.087064][ T2905]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.087195][ T2905]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  103.087332][ T2905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.087462][ T2905]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  103.087597][ T2905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.087732][ T2905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.087863][ T2905]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  103.087996][ T2905]  ? __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)
[  103.088127][ T2905]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  103.088259][ T2905]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  103.088400][ T2905]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  103.088537][ T2905]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  103.088676][ T2905]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  103.088811][ T2905]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.088944][ T2905]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  103.089074][ T2905]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  103.089205][ T2905]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  103.089342][ T2905]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  103.089475][ T2905]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.089609][ T2905]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  103.089745][ T2905]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  103.089876][ T2905]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  103.090008][ T2905]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  103.090138][ T2905]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  103.090268][ T2905]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  103.090403][ T2905]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  103.090537][ T2905]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  103.090673][ T2905]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.090805][ T2905]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  103.090937][ T2905]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  103.091068][ T2905]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  103.091198][ T2905]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  103.091338][ T2905]  ? 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))
[  103.091466][ T2905]  ? 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))
[  103.091602][ T2905]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  103.091738][ T2905]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  103.091870][ T2905]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  103.092001][ T2905]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  103.092133][ T2905]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  103.092265][ T2905]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  103.092402][ T2905]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  103.092536][ T2905]  ? copy_msghdr_from_user (net/socket.c:2635)
[  103.092670][ T2905]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  103.092834][ T2905]  ? move_addr_to_kernel (net/socket.c:258)
[  103.092967][ T2905]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  103.093098][ T2905]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  103.093229][ T2905]  ___sys_sendmsg (net/socket.c:2752)
[  103.093363][ T2905]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  103.093529][ T2905]  ? copy_msghdr_from_user (net/socket.c:2603)
[  103.093677][ T2905]  __sys_sendmsg (net/socket.c:2784)
[  103.093812][ T2905]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  103.093944][ T2905]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  103.094110][ T2905]  ? 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)
[  103.094240][ T2905]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.094375][ T2905]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  103.094510][ T2905]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  103.094641][ T2905]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  103.094780][ T2905]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  103.094944][ T2905] RIP: 0033:0x7f3c82cca08e
[  103.095080][ T2905] 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
[  103.095547][ T2905] RSP: 002b:00007ffedc0e2610 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  103.095748][ T2905] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3c82cca08e
[  103.095943][ T2905] RDX: 0000000000000000 RSI: 00007ffedc0e26c0 RDI: 0000000000000005
[  103.096136][ T2905] RBP: 00007ffedc0e2620 R08: 0000000000000000 R09: 0000000000000000
[  103.096335][ T2905] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d891
[  103.096533][ T2905] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffedc0e2d80
| [  103.206137][ T2909] ------------[ cut here ]------------
| [  103.206291][ T2909] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/2909
| [  103.206562][ T2909] Modules linked in: xfrm_user nf_tables
| [  103.206968][ T2909] Tainted: [W]=WARN
[  103.207064][ T2909] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.207224][ T2909] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  103.207395][ T2909] 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
[  103.207867][ T2909] RSP: 0018:ffa0000003edf020 EFLAGS: 00010286
[  103.208034][ T2909] RAX: 00000000ffffffa6 RBX: ff11000010a89c40 RCX: 1ff40000007dbdca
[  103.208227][ T2909] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000010a89cfc
[  103.208426][ T2909] RBP: ff110000058cc000 R08: 1fe22000021513a1 R09: ff1100000f3dae58
[  103.208623][ T2909] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[  103.208822][ T2909] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[  103.209016][ T2909] FS:  00007f74611b3840(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  103.209244][ T2909] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.209411][ T2909] CR2: 000000001e252988 CR3: 0000000012d7d006 CR4: 0000000000771ef0
[  103.209608][ T2909] PKRU: 55555554
[  103.209710][ T2909] Call Trace:
[  103.209808][ T2909]  <TASK>
[  103.209874][ T2909]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  103.210006][ T2909]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  103.210105][ T2909]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[  103.210233][ T2909]  __dev_notify_flags (net/core/dev.c:9787)
[  103.210371][ T2909]  ? netif_change_name (net/core/dev.c:1495)
[  103.210501][ T2909]  ? __dev_change_flags (net/core/dev.c:9752)
[  103.210635][ T2909]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[  103.210771][ T2909]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  103.210901][ T2909]  ? 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))
[  103.211033][ T2909]  netif_change_flags (net/core/dev.c:9820)
[  103.211163][ T2909]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[  103.211296][ T2909]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[  103.211435][ T2909]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[  103.211569][ T2909]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[  103.211735][ T2909]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[  103.211865][ T2909]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  103.211994][ T2909]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[  103.212124][ T2909]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  103.212252][ T2909]  ? __kernel_text_address (kernel/extable.c:79)
[  103.212388][ T2909]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  103.212519][ T2909]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.212652][ T2909]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  103.212942][ T2909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.213071][ T2909]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  103.213199][ T2909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.213337][ T2909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.213466][ T2909]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[  103.213601][ T2909]  ? __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)
[  103.213820][ T2909]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[  103.213951][ T2909]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[  103.214084][ T2909]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[  103.214216][ T2909]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[  103.214354][ T2909]  rtnl_newlink (net/core/rtnetlink.c:4150)
[  103.214485][ T2909]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.214617][ T2909]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  103.214804][ T2909]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  103.214935][ T2909]  ? mark_usage (kernel/locking/lockdep.c:4674)
[  103.215066][ T2909]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  103.215198][ T2909]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.215334][ T2909]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  103.215464][ T2909]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  103.215597][ T2909]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  103.215814][ T2909]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[  103.215944][ T2909]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[  103.216074][ T2909]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  103.216202][ T2909]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  103.216335][ T2909]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  103.216468][ T2909]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.216601][ T2909]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[  103.216794][ T2909]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[  103.216923][ T2909]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[  103.217053][ T2909]  ? netlink_ack (./include/linux/skbuff.h:2718)
[  103.217186][ T2909]  ? 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))
[  103.217322][ T2909]  ? 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))
[  103.217454][ T2909]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[  103.217590][ T2909]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  103.217797][ T2909]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[  103.217928][ T2909]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[  103.218059][ T2909]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[  103.218191][ T2909]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[  103.218327][ T2909]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[  103.218457][ T2909]  ? copy_msghdr_from_user (net/socket.c:2635)
[  103.218591][ T2909]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[  103.218809][ T2909]  ? move_addr_to_kernel (net/socket.c:258)
[  103.218940][ T2909]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[  103.219070][ T2909]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[  103.219203][ T2909]  ___sys_sendmsg (net/socket.c:2752)
[  103.219338][ T2909]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[  103.219501][ T2909]  ? copy_msghdr_from_user (net/socket.c:2603)
[  103.219646][ T2909]  __sys_sendmsg (net/socket.c:2784)
[  103.219788][ T2909]  ? __sys_sendmsg_sock (net/socket.c:2765)
[  103.219922][ T2909]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[  103.220089][ T2909]  ? 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)
[  103.220221][ T2909]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  103.220358][ T2909]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  103.220488][ T2909]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[  103.220621][ T2909]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[  103.220760][ T2909]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[  103.220929][ T2909] RIP: 0033:0x7f74613ed08e
[  103.221069][ T2909] 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
[  103.221542][ T2909] RSP: 002b:00007ffda15c09d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[  103.221742][ T2909] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f74613ed08e
[  103.221936][ T2909] RDX: 0000000000000000 RSI: 00007ffda15c0a80 RDI: 0000000000000005
[  103.222130][ T2909] RBP: 00007ffda15c09e0 R08: 0000000000000000 R09: 0000000000000000
[  103.222327][ T2909] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10d891
[  103.222524][ T2909] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffda15c1140
| [  103.225385][   T57] ------------[ cut here ]------------
| [  103.225512][   T57] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/57
| [  103.225759][   T57] Modules linked in: xfrm_user nf_tables
| [  103.226149][   T57] Tainted: [W]=WARN
[  103.226239][   T57] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.226394][   T57] Workqueue: events_unbound linkwatch_event
[  103.226550][   T57] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  103.226710][   T57] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  103.227138][   T57] RSP: 0018:ffa00000003df9e0 EFLAGS: 00010286
[  103.227287][   T57] RAX: 00000000ffffffa6 RBX: ff1100001243f540 RCX: 1ff400000007bf02
[  103.227471][   T57] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243f5fc
[  103.227650][   T57] RBP: ff110000058cc000 R08: 1fe2200002487ec1 R09: ff1100000521d1a8
[  103.227845][   T57] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[  103.228022][   T57] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  103.228199][   T57] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  103.228413][   T57] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.228564][   T57] CR2: 000000001e252988 CR3: 000000004994d002 CR4: 0000000000771ef0
[  103.228748][   T57] PKRU: 55555554
[  103.228837][   T57] Call Trace:
[  103.228924][   T57]  <TASK>
[  103.228986][   T57]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  103.229104][   T57]  ? notifier_call_chain (kernel/notifier.c:85)
[  103.229224][   T57]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  103.229326][   T57]  netif_state_change (net/core/dev.c:1605)
[  103.229445][   T57]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  103.229602][   T57]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  103.229722][   T57]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  103.229841][   T57]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  103.229962][   T57]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  103.230080][   T57]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  103.230203][   T57]  process_one_work (kernel/workqueue.c:3314)
[  103.230331][   T57]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  103.230449][   T57]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.230574][   T57]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  103.230698][   T57]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  103.230815][   T57]  kthread (kernel/kthread.c:436)
[  103.230903][   T57]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  103.231048][   T57]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.231167][   T57]  ret_from_fork (arch/x86/kernel/process.c:158)
[  103.231287][   T57]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  103.231440][   T57]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  103.231561][   T57]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.231687][   T57]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  103.234168][   T57] ------------[ cut here ]------------
| [  103.234310][   T57] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/57
| [  103.234561][   T57] Modules linked in: xfrm_user nf_tables
| [  103.235476][   T57] Tainted: [W]=WARN
[  103.235569][   T57] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  103.235777][   T57] Workqueue: events_unbound linkwatch_event
[  103.235931][   T57] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  103.236089][   T57] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  103.236563][   T57] RSP: 0018:ffa00000003df9e0 EFLAGS: 00010286
[  103.236759][   T57] RAX: 00000000ffffffa6 RBX: ff110000097fc580 RCX: 1ff400000007bf02
[  103.236934][   T57] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097fc63c
[  103.237108][   T57] RBP: ff1100000f98c000 R08: 1fe22000012ff8c9 R09: ff1100000521d1a8
[  103.237281][   T57] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[  103.237466][   T57] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  103.237648][   T57] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  103.237908][   T57] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  103.238055][   T57] CR2: 000000001e252988 CR3: 000000004994d002 CR4: 0000000000771ef0
[  103.238232][   T57] PKRU: 55555554
[  103.238325][   T57] Call Trace:
[  103.238414][   T57]  <TASK>
[  103.238477][   T57]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  103.238598][   T57]  ? notifier_call_chain (kernel/notifier.c:85)
[  103.238764][   T57]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  103.238854][   T57]  netif_state_change (net/core/dev.c:1605)
[  103.238973][   T57]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[  103.239120][   T57]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[  103.239237][   T57]  __linkwatch_run_queue (net/core/link_watch.c:240)
[  103.239366][   T57]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[  103.239486][   T57]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[  103.239609][   T57]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[  103.239775][   T57]  process_one_work (kernel/workqueue.c:3314)
[  103.239896][   T57]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  103.240013][   T57]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  103.240135][   T57]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  103.240258][   T57]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  103.240388][   T57]  kthread (kernel/kthread.c:436)
[  103.240476][   T57]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  103.240624][   T57]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.240791][   T57]  ret_from_fork (arch/x86/kernel/process.c:158)
[  103.240910][   T57]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  103.241057][   T57]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  103.241174][   T57]  ? kthread_affine_node (kernel/kthread.c:378)
[  103.241293][   T57]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.297063][   T12] ------------[ cut here ]------------
| [  106.297228][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.297472][   T12] Modules linked in: xfrm_user nf_tables
| [  106.297877][   T12] Tainted: [W]=WARN
[  106.297968][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.298117][   T12] Workqueue: netns cleanup_net
[  106.298242][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.298400][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.298833][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  106.298984][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cedda80 RCX: 1ff4000000018eed
[  106.299158][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ceddb3c
[  106.299336][   T12] RBP: ff110000050f9000 R08: 1fe22000019dbb69 R09: ff11000001aed1d0
[  106.299513][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.299694][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.299871][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.300077][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.300222][   T12] CR2: 00007f12b29cf574 CR3: 000000004994d004 CR4: 0000000000771ef0
[  106.300408][   T12] PKRU: 55555554
[  106.300497][   T12] Call Trace:
[  106.300588][   T12]  <TASK>
[  106.300660][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.300810][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.300956][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  106.301075][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  106.301194][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.301313][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  106.301439][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.301562][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  106.301686][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.301802][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.301922][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.302043][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.302159][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.302282][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.302408][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.302533][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.302660][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.302776][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.302900][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.303023][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.303141][   T12]  kthread (kernel/kthread.c:436)
[  106.303231][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.303383][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.303499][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.303619][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.303771][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.303887][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.304008][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.306451][   T12] ------------[ cut here ]------------
| [  106.306574][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.306812][   T12] Modules linked in: xfrm_user nf_tables
| [  106.307207][   T12] Tainted: [W]=WARN
[  106.307294][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.307447][   T12] Workqueue: netns cleanup_net
[  106.307572][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.307725][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.308161][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  106.308314][   T12] RAX: 00000000ffffffa6 RBX: ff1100001243fe00 RCX: 1ff4000000018eed
[  106.308493][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243febc
[  106.308673][   T12] RBP: ff1100000fd29000 R08: 1fe2200002487fd9 R09: ff11000001aed1d0
[  106.308850][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.309026][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.309201][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.309406][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.309556][   T12] CR2: 00007f12b29cf574 CR3: 000000004994d004 CR4: 0000000000771ef0
[  106.309737][   T12] PKRU: 55555554
[  106.309825][   T12] Call Trace:
[  106.309911][   T12]  <TASK>
[  106.309972][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.310125][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.310274][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  106.310396][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  106.310515][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.310632][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  106.310753][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.310875][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  106.310993][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.311109][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.311233][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.311356][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.312053][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.312175][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.312294][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.312420][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.312544][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.312664][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.312784][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.312905][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.313021][   T12]  kthread (kernel/kthread.c:436)
[  106.313109][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.313254][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.313377][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.313495][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.313642][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.313764][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.313880][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.316055][   T12] ------------[ cut here ]------------
| [  106.316172][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.316403][   T12] Modules linked in: xfrm_user nf_tables
| [  106.316864][   T12] Tainted: [W]=WARN
[  106.316951][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.317165][   T12] Workqueue: netns cleanup_net
[  106.317284][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.317438][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.317935][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  106.318156][   T12] RAX: 00000000ffffffa6 RBX: ff1100001243e580 RCX: 1ff4000000018eed
[  106.318331][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243e63c
[  106.318507][   T12] RBP: ff1100000a2a1000 R08: 1fe2200002487cc9 R09: ff11000001aed1d0
[  106.318758][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.318929][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.319101][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.319379][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.319529][   T12] CR2: 00007f12b29cf574 CR3: 000000004994d004 CR4: 0000000000771ef0
[  106.319706][   T12] PKRU: 55555554
[  106.319791][   T12] Call Trace:
[  106.319891][   T12]  <TASK>
[  106.319956][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.320108][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.320329][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  106.320445][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  106.320568][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.320686][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  106.320871][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.320989][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  106.321104][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.321217][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.321412][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.321530][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.321645][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.321766][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.321951][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.322067][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.322185][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.322299][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.322492][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.322618][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.322737][   T12]  kthread (kernel/kthread.c:436)
[  106.322824][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.323035][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.323150][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.323267][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.323414][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.323603][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.323722][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.325915][   T12] ------------[ cut here ]------------
| [  106.326097][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.326324][   T12] Modules linked in: xfrm_user nf_tables
| [  106.326780][   T12] Tainted: [W]=WARN
[  106.326867][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.327015][   T12] Workqueue: netns cleanup_net
[  106.327208][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.327366][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.327874][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  106.328021][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ebd2200 RCX: 1ff4000000018eed
[  106.328192][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ebd22bc
[  106.328371][   T12] RBP: ff11000008bd1000 R08: 1fe2200001d7a459 R09: ff11000001aed1d0
[  106.328544][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.328720][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.328893][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.329094][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.329237][   T12] CR2: 00007f12b29cf574 CR3: 000000004994d004 CR4: 0000000000771ef0
[  106.329417][   T12] PKRU: 55555554
[  106.329507][   T12] Call Trace:
[  106.329594][   T12]  <TASK>
[  106.329659][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.329821][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.329962][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  106.330082][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  106.330198][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.330316][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  106.330434][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.330555][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  106.330675][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.330789][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.330908][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.331023][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.331136][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.331257][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.331379][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.331495][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.331617][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.331737][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.331857][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.331976][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.332091][   T12]  kthread (kernel/kthread.c:436)
[  106.332183][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.332330][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.332446][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.332564][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.332712][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.332829][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.332944][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.334917][   T12] ------------[ cut here ]------------
| [  106.335032][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.335328][   T12] Modules linked in: xfrm_user nf_tables
| [  106.335853][   T12] Tainted: [W]=WARN
[  106.335941][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.336084][   T12] Workqueue: netns cleanup_net
[  106.336202][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.336356][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.336930][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  106.337076][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ebd2580 RCX: 1ff4000000018eed
[  106.337248][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ebd263c
[  106.337428][   T12] RBP: ff1100000922c000 R08: 1fe2200001d7a4c9 R09: ff11000001aed1d0
[  106.337599][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.337891][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.338111][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.338315][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.338458][   T12] CR2: 00007f12b29cf574 CR3: 000000004994d004 CR4: 0000000000771ef0
[  106.338633][   T12] PKRU: 55555554
[  106.338763][   T12] Call Trace:
[  106.338849][   T12]  <TASK>
[  106.338909][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.339056][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.339201][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  106.339393][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  106.339512][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.339628][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  106.339789][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.339906][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  106.340033][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.340219][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.340342][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.340457][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.340574][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.340741][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.340855][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.340971][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.341092][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.341207][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.341338][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.341459][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.341698][   T12]  kthread (kernel/kthread.c:436)
[  106.341785][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.341928][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.342046][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.342167][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.342313][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.342501][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.342618][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.358896][   T12] ------------[ cut here ]------------
| [  106.359070][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  106.359367][   T12] Modules linked in: xfrm_user nf_tables
| [  106.360162][   T12] Tainted: [W]=WARN
[  106.360299][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.360512][   T12] Workqueue: netns cleanup_net
[  106.360712][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.360918][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.361407][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  106.361615][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ebd2740 RCX: 1ff4000000018eaf
[  106.361882][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ebd27fc
[  106.362112][   T12] RBP: ff11000014cd9000 R08: 1fe2200001d7a501 R09: ff11000001aed1d0
[  106.362348][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  106.362582][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001349c000
[  106.362825][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  106.363082][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.363285][   T12] CR2: 00007ffe3bb9fcc0 CR3: 000000004994d001 CR4: 0000000000771ef0
[  106.363528][   T12] PKRU: 55555554
[  106.363682][   T12] Call Trace:
[  106.363819][   T12]  <TASK>
[  106.363929][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.364100][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.364241][   T12]  netif_close_many (net/core/dev.c:1804)
[  106.364426][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.364604][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.364787][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.364955][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  106.365125][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  106.365331][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  106.365535][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.365719][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.365919][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.366088][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.366257][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.366466][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  106.366652][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.366834][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.367003][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.367176][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.367356][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.367531][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.367712][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.367886][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.368057][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.368223][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.368405][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.368582][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.368764][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.368937][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.369106][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.369280][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.369462][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.369643][   T12]  kthread (kernel/kthread.c:436)
[  106.369797][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.369995][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.370165][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.370355][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.370563][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.370748][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.370923][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.374349][   T12] ------------[ cut here ]------------
| [  106.374522][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  106.375297][   T12] Modules linked in: xfrm_user nf_tables
| [  106.375932][   T12] Tainted: [W]=WARN
[  106.376149][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.376401][   T12] Workqueue: netns cleanup_net
[  106.376679][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.376962][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.377516][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  106.377810][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d0d6e40 RCX: 1ff4000000018eaf
[  106.378084][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d0d6efc
[  106.378395][   T12] RBP: ff1100001349c000 R08: 1fe2200001a1ade1 R09: ff11000001aed1d0
[  106.378632][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  106.378873][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008f3c000
[  106.379105][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  106.379377][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.379587][   T12] CR2: 00007ffe3bb9fcc0 CR3: 000000004994d001 CR4: 0000000000771ef0
[  106.379830][   T12] PKRU: 55555554
[  106.379968][   T12] Call Trace:
[  106.380106][   T12]  <TASK>
[  106.380245][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.380427][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  106.380612][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.380771][   T12]  netif_close_many (net/core/dev.c:1804)
[  106.380945][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.381114][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.381321][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.381490][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  106.381682][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  106.381885][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  106.382088][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.382264][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.382477][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.382666][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.382835][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.383037][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  106.383210][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.383386][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.383564][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.383752][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.383924][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.384097][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.384265][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.384447][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.384626][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.384809][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.384985][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.385154][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.385332][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.385512][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.385698][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.385873][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.386047][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.386217][   T12]  kthread (kernel/kthread.c:436)
[  106.386367][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.386581][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.386764][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.386936][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.387136][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.387313][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.387485][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.390514][   T12] ------------[ cut here ]------------
| [  106.391131][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  106.391488][   T12] Modules linked in: xfrm_user nf_tables
| [  106.392137][   T12] Tainted: [W]=WARN
[  106.392332][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.392580][   T12] Workqueue: netns cleanup_net
[  106.392817][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.393072][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.393620][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  106.393880][   T12] RAX: 00000000ffffffa6 RBX: ff1100000997ec80 RCX: 1ff4000000018eaf
[  106.394155][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000997ed3c
[  106.394442][   T12] RBP: ff11000008f3c000 R08: 1fe220000132fda9 R09: ff11000001aed1d0
[  106.394738][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  106.395012][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  106.395288][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  106.395612][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.395874][   T12] CR2: 00007ffe3bb9fcc0 CR3: 000000004994d001 CR4: 0000000000771ef0
[  106.396157][   T12] PKRU: 55555554
[  106.396350][   T12] Call Trace:
[  106.396544][   T12]  <TASK>
[  106.396716][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.396934][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  106.397153][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.397373][   T12]  netif_close_many (net/core/dev.c:1804)
[  106.397671][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.398038][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.398274][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.398618][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  106.398795][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  106.398997][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  106.399201][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.399380][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.399586][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.399773][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.399943][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.400144][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  106.400323][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.400496][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.400688][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.400860][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.401036][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.401210][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.401385][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.401567][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.401754][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.401924][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.402096][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.402269][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.402450][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.402634][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.402815][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.402992][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.403170][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.403348][   T12]  kthread (kernel/kthread.c:436)
[  106.403486][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.403704][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.403877][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.404050][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.404271][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.404449][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.404625][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.407194][   T12] ------------[ cut here ]------------
| [  106.407365][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  106.408193][   T12] Modules linked in: xfrm_user nf_tables
| [  106.409178][   T12] Tainted: [W]=WARN
[  106.409365][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.409618][   T12] Workqueue: netns cleanup_net
[  106.409843][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.410090][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.410617][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  106.410868][   T12] RAX: 00000000ffffffa6 RBX: ff1100000997fa80 RCX: 1ff4000000018ed5
[  106.411134][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000997fb3c
[  106.411435][   T12] RBP: ff11000014cd9000 R08: 1fe220000132ff69 R09: ff11000001aed1d0
[  106.411724][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  106.411994][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.412261][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  106.412572][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.412827][   T12] CR2: 00007ffe3bb9fcc0 CR3: 000000004994d001 CR4: 0000000000771ef0
[  106.413098][   T12] PKRU: 55555554
[  106.413277][   T12] Call Trace:
[  106.413474][   T12]  <TASK>
[  106.413719][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.413984][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.414266][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.414442][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.414647][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.414863][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.415030][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.415196][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.415371][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.415548][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.415734][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.415903][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.416071][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.416236][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.416412][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.416587][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.416764][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.416931][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.417101][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.417269][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.417446][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.417624][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.417804][   T12]  kthread (kernel/kthread.c:436)
[  106.417940][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.418133][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.418299][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.418478][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.418694][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.418863][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.419030][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.422583][   T12] ------------[ cut here ]------------
| [  106.422955][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  106.423280][   T12] Modules linked in: xfrm_user nf_tables
| [  106.423886][   T12] Tainted: [W]=WARN
[  106.424066][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.424305][   T12] Workqueue: netns cleanup_net
[  106.424540][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.424801][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.425332][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  106.425577][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bd91000 RCX: 1ff4000000018ed5
[  106.425856][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd910bc
[  106.426122][   T12] RBP: ff1100001349c000 R08: 1fe22000017b2219 R09: ff11000001aed1d0
[  106.426400][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  106.426690][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.426959][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  106.427256][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.427555][   T12] CR2: 00007ffe3bb9fcc0 CR3: 000000004994d001 CR4: 0000000000771ef0
[  106.427845][   T12] PKRU: 55555554
[  106.428092][   T12] Call Trace:
[  106.428269][   T12]  <TASK>
[  106.428431][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.428704][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.428946][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.429157][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.429380][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.429640][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.429866][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.430077][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.430286][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.430509][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.430738][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.430951][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.431162][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.431381][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.431597][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.431825][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.432036][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.432273][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.432446][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.432620][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.432801][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.432972][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.433136][   T12]  kthread (kernel/kthread.c:436)
[  106.433273][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.433472][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.433643][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.433827][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.434021][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.434186][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.434354][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.437501][   T12] ------------[ cut here ]------------
| [  106.438170][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  106.438503][   T12] Modules linked in: xfrm_user nf_tables
| [  106.439102][   T12] Tainted: [W]=WARN
[  106.439283][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.439541][   T12] Workqueue: netns cleanup_net
[  106.439775][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.440023][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.440600][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  106.440854][   T12] RAX: 00000000ffffffa6 RBX: ff11000009113000 RCX: 1ff4000000018ed5
[  106.441153][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000091130bc
[  106.441428][   T12] RBP: ff11000008f3c000 R08: 1fe2200001222619 R09: ff11000001aed1d0
[  106.441719][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  106.441986][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.442255][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  106.442568][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.442822][   T12] CR2: 00007ffe3bb9fcc0 CR3: 000000004994d001 CR4: 0000000000771ef0
[  106.443092][   T12] PKRU: 55555554
[  106.443272][   T12] Call Trace:
[  106.443458][   T12]  <TASK>
[  106.443619][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.443875][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.444116][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.444358][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.444576][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.444834][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.445129][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.445396][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.445692][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.445954][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.446217][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.446483][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.446671][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.446839][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.447002][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.447169][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.447341][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.447512][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.447728][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.447895][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.448068][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.448239][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.448412][   T12]  kthread (kernel/kthread.c:436)
[  106.448555][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.448759][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.448928][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.449097][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.449291][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.449466][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.449641][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.488256][   T12] ------------[ cut here ]------------
| [  106.488403][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  106.488642][   T12] Modules linked in: xfrm_user nf_tables
| [  106.489044][   T12] Tainted: [W]=WARN
[  106.489131][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.489278][   T12] Workqueue: netns cleanup_net
[  106.489407][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.489563][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.489990][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  106.490146][   T12] RAX: 00000000ffffffa6 RBX: ff11000009113e00 RCX: 1ff4000000018eed
[  106.490323][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009113ebc
[  106.490508][   T12] RBP: ff1100000a339000 R08: 1fe22000012227d9 R09: ff11000001aed1d0
[  106.490686][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  106.490858][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.491030][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  106.491235][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.491385][   T12] CR2: 000055d401a17468 CR3: 000000004994d001 CR4: 0000000000771ef0
[  106.491563][   T12] PKRU: 55555554
[  106.491656][   T12] Call Trace:
[  106.491744][   T12]  <TASK>
[  106.491805][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.491955][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.492099][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  106.492215][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  106.492339][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.492454][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  106.492572][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.492695][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  106.492812][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.492929][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.493046][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.493163][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.493277][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.493400][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.493517][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.493635][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.493761][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.493879][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.494004][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.494128][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.494243][   T12]  kthread (kernel/kthread.c:436)
[  106.494336][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.494479][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.494602][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.494723][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.494871][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.494986][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.495102][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.497264][   T12] ------------[ cut here ]------------
| [  106.497389][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  106.497625][   T12] Modules linked in: xfrm_user nf_tables
| [  106.498070][   T12] Tainted: [W]=WARN
[  106.498157][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.498300][   T12] Workqueue: netns cleanup_net
[  106.498425][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.498577][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.499000][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  106.499147][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bd911c0 RCX: 1ff4000000018eed
[  106.499323][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bd9127c
[  106.499494][   T12] RBP: ff110000087cc000 R08: 1fe22000017b2251 R09: ff11000001aed1d0
[  106.499676][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  106.499848][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.500022][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  106.500227][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.500378][   T12] CR2: 000055d401a17468 CR3: 000000004994d001 CR4: 0000000000771ef0
[  106.500559][   T12] PKRU: 55555554
[  106.500645][   T12] Call Trace:
[  106.500736][   T12]  <TASK>
[  106.500797][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.500944][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.501087][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  106.501207][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  106.501334][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.501449][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  106.501568][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.501694][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  106.501811][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.501926][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.502044][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.502160][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.502277][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.502398][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.502515][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.502632][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.502754][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.502873][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.502993][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.503114][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.503229][   T12]  kthread (kernel/kthread.c:436)
[  106.503319][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.503462][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.503582][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.503704][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.503848][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.503968][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.504084][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.506246][   T12] ------------[ cut here ]------------
| [  106.506366][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  106.506594][   T12] Modules linked in: xfrm_user nf_tables
| [  106.506979][   T12] Tainted: [W]=WARN
[  106.507070][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.507217][   T12] Workqueue: netns cleanup_net
[  106.507345][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.507496][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.507915][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  106.508062][   T12] RAX: 00000000ffffffa6 RBX: ff11000010928200 RCX: 1ff4000000018eed
[  106.508238][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109282bc
[  106.508414][   T12] RBP: ff11000007851000 R08: 1fe2200002125059 R09: ff11000001aed1d0
[  106.508589][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  106.508770][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.508944][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  106.509144][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.509292][   T12] CR2: 000055d401a17468 CR3: 000000004994d001 CR4: 0000000000771ef0
[  106.509471][   T12] PKRU: 55555554
[  106.509563][   T12] Call Trace:
[  106.509649][   T12]  <TASK>
[  106.509716][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.509865][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.510009][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  106.510125][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  106.510247][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.510366][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  106.510484][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.510603][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  106.510724][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.510839][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.510958][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.511074][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.511189][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.511312][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.511431][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.511560][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.511685][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.511803][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.511923][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.512042][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.512161][   T12]  kthread (kernel/kthread.c:436)
[  106.512249][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.512395][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.512514][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.512630][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.512776][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.512896][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.513011][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.514986][   T12] ------------[ cut here ]------------
| [  106.515100][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  106.515330][   T12] Modules linked in: xfrm_user nf_tables
| [  106.515960][   T12] Tainted: [W]=WARN
[  106.516047][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.516190][   T12] Workqueue: netns cleanup_net
[  106.516315][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.516467][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.516939][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  106.517086][   T12] RAX: 00000000ffffffa6 RBX: ff11000012ab6ac0 RCX: 1ff4000000018eed
[  106.517262][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012ab6b7c
[  106.517436][   T12] RBP: ff11000012229000 R08: 1fe2200002556d71 R09: ff11000001aed1d0
[  106.517611][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  106.517865][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.518085][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  106.518285][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.518432][   T12] CR2: 000055d401a17468 CR3: 000000004994d001 CR4: 0000000000771ef0
[  106.518610][   T12] PKRU: 55555554
[  106.518743][   T12] Call Trace:
[  106.518829][   T12]  <TASK>
[  106.518889][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.519038][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.519185][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  106.519299][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  106.519420][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.519538][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  106.519699][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.519820][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  106.519948][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.520066][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.520182][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.520297][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.520421][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.520541][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.520702][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.520824][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.520945][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.521060][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.521178][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.521297][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.521422][   T12]  kthread (kernel/kthread.c:436)
[  106.521512][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.521699][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.521818][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.521933][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.522076][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.522191][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.522312][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.524379][   T12] ------------[ cut here ]------------
| [  106.524514][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.524749][   T12] Modules linked in: xfrm_user nf_tables
| [  106.525142][   T12] Tainted: [W]=WARN
[  106.525230][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.525380][   T12] Workqueue: netns cleanup_net
[  106.525502][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.525661][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.526077][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  106.526229][   T12] RAX: 00000000ffffffa6 RBX: ff11000012ab6900 RCX: 1ff4000000018eed
[  106.526406][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012ab69bc
[  106.526583][   T12] RBP: ff11000008304000 R08: 1fe2200002556d39 R09: ff11000001aed1d0
[  106.526769][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.526946][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.527120][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.527329][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.527476][   T12] CR2: 00007feaccb6b000 CR3: 000000004994d006 CR4: 0000000000771ef0
[  106.527661][   T12] PKRU: 55555554
[  106.527748][   T12] Call Trace:
[  106.527835][   T12]  <TASK>
[  106.527895][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.528048][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.528190][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  106.528312][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  106.528432][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.528553][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  106.528681][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.528799][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  106.528924][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.529044][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.529163][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.529281][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.529403][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.529527][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.529644][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.529769][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.529889][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.530005][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.530126][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.530250][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.530376][   T12]  kthread (kernel/kthread.c:436)
[  106.530464][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.530617][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.530741][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.530862][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.531027][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.531145][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.531266][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.543099][   T12] ------------[ cut here ]------------
| [  106.543236][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.543506][   T12] Modules linked in: xfrm_user nf_tables
| [  106.544291][   T12] Tainted: [W]=WARN
[  106.544390][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.544557][   T12] Workqueue: netns cleanup_net
[  106.544690][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.544851][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.545293][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  106.545452][   T12] RAX: 00000000ffffffa6 RBX: ff11000012ab6580 RCX: 1ff4000000018eaf
[  106.545636][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012ab663c
[  106.545823][   T12] RBP: ff1100000df29000 R08: 1fe2200002556cc9 R09: ff11000001aed1d0
[  106.546004][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  106.546186][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012b5c000
[  106.546378][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.546596][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.546761][   T12] CR2: 00007feaccb6b000 CR3: 000000004994d006 CR4: 0000000000771ef0
[  106.546950][   T12] PKRU: 55555554
[  106.547041][   T12] Call Trace:
[  106.547132][   T12]  <TASK>
[  106.547197][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.547326][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.547421][   T12]  netif_close_many (net/core/dev.c:1804)
[  106.547546][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.547673][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.547793][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.547916][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  106.548038][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  106.548192][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  106.548351][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.548474][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.548628][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.548754][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.548875][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.549029][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  106.549155][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.549281][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.549408][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.549534][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.549664][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.549796][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.549917][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.550043][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.550166][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.550289][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.550418][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.550542][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.550669][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.550803][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.550926][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.551056][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.551182][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.551304][   T12]  kthread (kernel/kthread.c:436)
[  106.551405][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.551561][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.551693][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.551817][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.551971][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.552094][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.552216][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.555609][   T12] ------------[ cut here ]------------
| [  106.555744][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.555985][   T12] Modules linked in: xfrm_user nf_tables
| [  106.556390][   T12] Tainted: [W]=WARN
[  106.556482][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.556642][   T12] Workqueue: netns cleanup_net
[  106.556777][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.556937][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.557378][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  106.557535][   T12] RAX: 00000000ffffffa6 RBX: ff110000127aa740 RCX: 1ff4000000018eaf
[  106.557723][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000127aa7fc
[  106.557906][   T12] RBP: ff11000012b5c000 R08: 1fe22000024f5501 R09: ff11000001aed1d0
[  106.558089][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  106.558271][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008479000
[  106.558460][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.558685][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.558843][   T12] CR2: 00007feaccb6b000 CR3: 000000004994d006 CR4: 0000000000771ef0
[  106.559028][   T12] PKRU: 55555554
[  106.559119][   T12] Call Trace:
[  106.559210][   T12]  <TASK>
[  106.559274][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.559405][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  106.559532][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.559627][   T12]  netif_close_many (net/core/dev.c:1804)
[  106.559760][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.559883][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.560006][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.560129][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  106.560253][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  106.560412][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  106.560568][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.560699][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.560850][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.560976][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.561098][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.561252][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  106.561382][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.561511][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.561634][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.561764][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.561890][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.562013][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.562133][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.562259][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.562386][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.562510][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.562634][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.562811][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.562936][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.563063][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.563186][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.563317][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.563444][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.563570][   T12]  kthread (kernel/kthread.c:436)
[  106.563724][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.563951][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.564075][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.564198][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.564353][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.564476][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.564603][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.568250][   T12] ------------[ cut here ]------------
| [  106.568395][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  106.568644][   T12] Modules linked in: xfrm_user nf_tables
| [  106.569066][   T12] Tainted: [W]=WARN
[  106.569183][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.569346][   T12] Workqueue: netns cleanup_net
[  106.569473][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.569635][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.570080][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  106.570236][   T12] RAX: 00000000ffffffa6 RBX: ff1100001009b000 RCX: 1ff4000000018eaf
[  106.570423][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001009b0bc
[  106.570607][   T12] RBP: ff11000008479000 R08: 1fe2200002013619 R09: ff11000001aed1d0
[  106.570809][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  106.570991][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  106.571176][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[  106.571399][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.571558][   T12] CR2: 00007ffe3bb9f718 CR3: 0000000013a2f001 CR4: 0000000000771ef0
[  106.571755][   T12] PKRU: 55555554
[  106.571847][   T12] Call Trace:
[  106.571939][   T12]  <TASK>
[  106.572003][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.572127][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  106.572254][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.572351][   T12]  netif_close_many (net/core/dev.c:1804)
[  106.572478][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.572607][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.572786][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.572909][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  106.573032][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  106.573188][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  106.573350][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.573473][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.573629][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.573802][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.573924][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.574080][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  106.574206][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.574336][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.574525][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.574648][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.574780][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.574904][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.575024][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.575155][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.575282][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.575423][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.575549][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.575680][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.575805][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.575937][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.576061][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.576189][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.576324][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.576447][   T12]  kthread (kernel/kthread.c:436)
[  106.576542][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.576700][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.576822][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.576947][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.577099][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.577224][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.577350][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.585369][   T12] ------------[ cut here ]------------
| [  106.585498][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  106.586415][   T12] Modules linked in: xfrm_user nf_tables
| [  106.586865][   T12] Tainted: [W]=WARN
[  106.586954][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.587102][   T12] Workqueue: netns cleanup_net
[  106.587226][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.587388][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.587866][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  106.588015][   T12] RAX: 00000000ffffffa6 RBX: ff1100001009be00 RCX: 1ff4000000018ed5
[  106.588192][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001009bebc
[  106.588376][   T12] RBP: ff1100000df29000 R08: 1fe22000020137d9 R09: ff11000001aed1d0
[  106.588561][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  106.588787][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.588966][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[  106.589175][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.589328][   T12] CR2: 00007ffe3bb9f718 CR3: 0000000013a2f001 CR4: 0000000000771ef0
[  106.589510][   T12] PKRU: 55555554
[  106.589599][   T12] Call Trace:
[  106.589735][   T12]  <TASK>
[  106.589797][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.589949][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.590097][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.590221][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.590347][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.590508][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.590629][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.590795][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.590915][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.591035][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.591156][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.591275][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.591401][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.591529][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.591648][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.591815][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.591934][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.592053][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.592175][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.592293][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.592422][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.592547][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.592719][   T12]  kthread (kernel/kthread.c:436)
[  106.592809][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.592957][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.593076][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.593194][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.593349][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.593468][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.593591][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.596428][   T12] ------------[ cut here ]------------
| [  106.596565][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.596810][   T12] Modules linked in: xfrm_user nf_tables
| [  106.597210][   T12] Tainted: [W]=WARN
[  106.597301][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.597459][   T12] Workqueue: netns cleanup_net
[  106.597591][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.597754][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.598180][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  106.598334][   T12] RAX: 00000000ffffffa6 RBX: ff11000012a383c0 RCX: 1ff4000000018ed5
[  106.598514][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012a3847c
[  106.598696][   T12] RBP: ff11000012b5c000 R08: 1fe2200002547091 R09: ff11000001aed1d0
[  106.598876][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.599053][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.599231][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.599450][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.599600][   T12] CR2: 00007f248f272b70 CR3: 0000000012f1c002 CR4: 0000000000771ef0
[  106.599782][   T12] PKRU: 55555554
[  106.599871][   T12] Call Trace:
[  106.599959][   T12]  <TASK>
[  106.600023][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.600177][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.600327][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.600446][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.600568][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.600724][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.600845][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.600972][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.601091][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.601211][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.601338][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.601455][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.601582][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.601706][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.601825][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.601946][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.602064][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.602187][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.602314][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.602433][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.602559][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.602688][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.602809][   T12]  kthread (kernel/kthread.c:436)
[  106.602900][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.603050][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.603170][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.603289][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.603441][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.603563][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.603690][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.606380][   T12] ------------[ cut here ]------------
| [  106.606503][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.607300][   T12] Modules linked in: xfrm_user nf_tables
| [  106.607888][   T12] Tainted: [W]=WARN
[  106.607978][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.608126][   T12] Workqueue: netns cleanup_net
[  106.608250][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.608408][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.608932][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  106.609082][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a8f1000 RCX: 1ff4000000018ed5
[  106.609261][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8f10bc
[  106.609538][   T12] RBP: ff11000008479000 R08: 1fe220000151e219 R09: ff11000001aed1d0
[  106.609807][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.609987][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.610170][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.610382][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.610534][   T12] CR2: 00007f248f272b70 CR3: 000000004994d006 CR4: 0000000000771ef0
[  106.610804][   T12] PKRU: 55555554
[  106.610893][   T12] Call Trace:
[  106.610982][   T12]  <TASK>
[  106.611044][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.611203][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.611356][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.611474][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.611595][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.611837][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.611956][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.612076][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.612195][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.612320][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.612441][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.612562][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.612756][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.612880][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.612999][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.613121][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.613238][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.613364][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.613486][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.613608][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.613788][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.613912][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.614029][   T12]  kthread (kernel/kthread.c:436)
[  106.614118][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.614264][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.614388][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.614510][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.614745][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.614866][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.614985][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.674960][   T12] ------------[ cut here ]------------
| [  106.675091][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.675326][   T12] Modules linked in: xfrm_user nf_tables
| [  106.675724][   T12] Tainted: [W]=WARN
[  106.675812][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.675959][   T12] Workqueue: netns cleanup_net
[  106.676081][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.676237][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.676666][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  106.676819][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a8f1e00 RCX: 1ff4000000018eed
[  106.676993][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8f1ebc
[  106.677167][   T12] RBP: ff1100001389c000 R08: 1fe220000151e3d9 R09: ff11000001aed1d0
[  106.677348][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.677525][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.677708][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.677911][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.678057][   T12] CR2: 00007f248f272b70 CR3: 000000004994d006 CR4: 0000000000771ef0
[  106.678230][   T12] PKRU: 55555554
[  106.678321][   T12] Call Trace:
[  106.678409][   T12]  <TASK>
[  106.678471][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.678627][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.678776][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  106.678893][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  106.679010][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.679126][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  106.679243][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.679364][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  106.679482][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.679597][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.679722][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.679839][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.679953][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.680069][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.680187][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.680313][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.680434][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.680554][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.680680][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.680799][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.680914][   T12]  kthread (kernel/kthread.c:436)
[  106.681002][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.681147][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.681265][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.681387][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.681541][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.681662][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.681779][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.683935][   T12] ------------[ cut here ]------------
| [  106.684050][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.684275][   T12] Modules linked in: xfrm_user nf_tables
| [  106.684668][   T12] Tainted: [W]=WARN
[  106.684754][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.684904][   T12] Workqueue: netns cleanup_net
[  106.685024][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.685175][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.685594][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  106.685745][   T12] RAX: 00000000ffffffa6 RBX: ff11000009a63380 RCX: 1ff4000000018eed
[  106.685922][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a6343c
[  106.686094][   T12] RBP: ff11000012f91000 R08: 1fe220000134c689 R09: ff11000001aed1d0
[  106.686267][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.686443][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.686620][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.686829][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.686973][   T12] CR2: 00007f248f272b70 CR3: 000000004994d006 CR4: 0000000000771ef0
[  106.687146][   T12] PKRU: 55555554
[  106.687233][   T12] Call Trace:
[  106.687322][   T12]  <TASK>
[  106.687382][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.687535][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.687685][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  106.687801][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  106.687919][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.688034][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  106.688150][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.688271][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  106.688396][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.688515][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.688636][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.688758][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.688877][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.688994][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.689110][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.689227][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.689353][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.689468][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.689594][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.689719][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.689835][   T12]  kthread (kernel/kthread.c:436)
[  106.689923][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.690067][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.690185][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.690312][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.690459][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.690580][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.690702][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.692870][   T12] ------------[ cut here ]------------
| [  106.692990][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.693225][   T12] Modules linked in: xfrm_user nf_tables
| [  106.693622][   T12] Tainted: [W]=WARN
[  106.693716][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.693862][   T12] Workqueue: netns cleanup_net
[  106.693985][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.694142][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.694574][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  106.694725][   T12] RAX: 00000000ffffffa6 RBX: ff11000004e20040 RCX: 1ff4000000018eed
[  106.694905][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004e200fc
[  106.695084][   T12] RBP: ff1100000fbf4000 R08: 1fe22000009c4021 R09: ff11000001aed1d0
[  106.695264][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.695445][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.695625][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.695834][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.695980][   T12] CR2: 00007f248f272b70 CR3: 000000004994d006 CR4: 0000000000771ef0
[  106.696160][   T12] PKRU: 55555554
[  106.696247][   T12] Call Trace:
[  106.696338][   T12]  <TASK>
[  106.696398][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.696549][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.696701][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  106.696818][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  106.696936][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.697056][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  106.697174][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.697295][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  106.697422][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.697542][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.697668][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.697785][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.697901][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.698025][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.698141][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.698260][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.698386][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.698504][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.698628][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.698753][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.698870][   T12]  kthread (kernel/kthread.c:436)
[  106.698958][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.699105][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.699223][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.699350][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.699500][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.699620][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.699743][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.701733][   T12] ------------[ cut here ]------------
| [  106.701849][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.702076][   T12] Modules linked in: xfrm_user nf_tables
| [  106.702463][   T12] Tainted: [W]=WARN
[  106.702556][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.702708][   T12] Workqueue: netns cleanup_net
[  106.702841][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.702991][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.703412][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  106.703563][   T12] RAX: 00000000ffffffa6 RBX: ff11000004e203c0 RCX: 1ff4000000018eed
[  106.703752][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004e2047c
[  106.703925][   T12] RBP: ff11000012fa4000 R08: 1fe22000009c4091 R09: ff11000001aed1d0
[  106.704098][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.704271][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.704457][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.704665][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.704812][   T12] CR2: 00007f248f272b70 CR3: 000000004994d006 CR4: 0000000000771ef0
[  106.704987][   T12] PKRU: 55555554
[  106.705076][   T12] Call Trace:
[  106.705163][   T12]  <TASK>
[  106.705223][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.705380][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.705527][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  106.705643][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  106.705769][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.705886][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  106.706007][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.706126][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  106.706250][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.706374][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.706500][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.706621][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.706742][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.706862][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.706982][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.707102][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.707225][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.707346][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.707467][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.707592][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.707714][   T12]  kthread (kernel/kthread.c:436)
[  106.707802][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.707947][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.708070][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.708192][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.708344][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.708466][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.708587][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.710571][   T12] ------------[ cut here ]------------
| [  106.710698][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.710925][   T12] Modules linked in: xfrm_user nf_tables
| [  106.711317][   T12] Tainted: [W]=WARN
[  106.711405][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.711555][   T12] Workqueue: netns cleanup_net
[  106.711682][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.711834][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.712250][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  106.712399][   T12] RAX: 00000000ffffffa6 RBX: ff11000004e20740 RCX: 1ff4000000018eed
[  106.712575][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004e207fc
[  106.712753][   T12] RBP: ff11000012b19000 R08: 1fe22000009c4101 R09: ff11000001aed1d0
[  106.712928][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.713180][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.713360][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.713640][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.713796][   T12] CR2: 00007f248f272b70 CR3: 000000004994d006 CR4: 0000000000771ef0
[  106.713971][   T12] PKRU: 55555554
[  106.714059][   T12] Call Trace:
[  106.714219][   T12]  <TASK>
[  106.714280][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.714436][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.714584][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  106.714708][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  106.714827][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.714943][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  106.715061][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.715252][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  106.715377][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.715494][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.715616][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.715740][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.715857][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.715976][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.716092][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.716284][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.716408][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.716529][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.716661][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.716857][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.716974][   T12]  kthread (kernel/kthread.c:436)
[  106.717062][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.717206][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.717400][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.717518][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.717673][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.717790][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.717979][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.731619][   T12] ------------[ cut here ]------------
| [  106.731756][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.732009][   T12] Modules linked in: xfrm_user nf_tables
| [  106.732420][   T12] Tainted: [W]=WARN
[  106.732514][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.732674][   T12] Workqueue: netns cleanup_net
[  106.732800][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.732959][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.733407][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  106.733569][   T12] RAX: 00000000ffffffa6 RBX: ff11000004e20900 RCX: 1ff4000000018eaf
[  106.733755][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004e209bc
[  106.733938][   T12] RBP: ff1100000ea69000 R08: 1fe22000009c4139 R09: ff11000001aed1d0
[  106.734123][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  106.734310][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a82c000
[  106.734494][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.734716][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.734870][   T12] CR2: 00007f248f272b70 CR3: 000000004994d006 CR4: 0000000000771ef0
[  106.735055][   T12] PKRU: 55555554
[  106.735147][   T12] Call Trace:
[  106.735240][   T12]  <TASK>
[  106.735304][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.735436][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.735533][   T12]  netif_close_many (net/core/dev.c:1804)
[  106.735665][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.735787][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.735911][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.736034][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  106.736162][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  106.736322][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  106.736475][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.736599][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.736769][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.736893][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.737017][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.737170][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  106.737299][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.737430][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.737558][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.737686][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.737812][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.737935][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.738057][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.738181][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.738304][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.738431][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.738558][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.738687][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.738810][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.738936][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.739058][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.739185][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.739317][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.739441][   T12]  kthread (kernel/kthread.c:436)
[  106.739536][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.739697][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.739820][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.739943][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.740097][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.740220][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.740348][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.743150][   T12] ------------[ cut here ]------------
| [  106.743279][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.743531][   T12] Modules linked in: xfrm_user nf_tables
| [  106.743944][   T12] Tainted: [W]=WARN
[  106.744038][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.744191][   T12] Workqueue: netns cleanup_net
[  106.744323][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.744485][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.745426][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  106.745589][   T12] RAX: 00000000ffffffa6 RBX: ff110000121e4c80 RCX: 1ff4000000018eaf
[  106.745823][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000121e4d3c
[  106.746019][   T12] RBP: ff1100000a82c000 R08: 1fe220000243c9a9 R09: ff11000001aed1d0
[  106.746201][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  106.746388][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a351000
[  106.746576][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.746846][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.747000][   T12] CR2: 00007f248f272b70 CR3: 000000004994d006 CR4: 0000000000771ef0
[  106.747235][   T12] PKRU: 55555554
[  106.747333][   T12] Call Trace:
[  106.747425][   T12]  <TASK>
[  106.747489][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.747617][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  106.747792][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.747886][   T12]  netif_close_many (net/core/dev.c:1804)
[  106.748008][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.748131][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.748254][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.748382][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  106.748510][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  106.748719][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  106.748872][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.748994][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.749145][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.749268][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.749396][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.749554][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  106.749731][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.749865][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.749988][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.750112][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.750237][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.750369][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.750492][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.750623][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.750797][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.750922][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.751047][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.751170][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.751293][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.751424][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.751549][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.751726][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.751855][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.751977][   T12]  kthread (kernel/kthread.c:436)
[  106.752071][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.752223][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.752356][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.752480][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.752636][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.752816][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.752942][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.757458][   T12] ------------[ cut here ]------------
| [  106.757593][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.757843][   T12] Modules linked in: xfrm_user nf_tables
| [  106.758247][   T12] Tainted: [W]=WARN
[  106.758346][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.758500][   T12] Workqueue: netns cleanup_net
[  106.758630][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.758792][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.759234][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  106.759401][   T12] RAX: 00000000ffffffa6 RBX: ff11000008e96900 RCX: 1ff4000000018eaf
[  106.759596][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e969bc
[  106.759785][   T12] RBP: ff1100000a351000 R08: 1fe22000011d2d39 R09: ff11000001aed1d0
[  106.759969][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  106.760171][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  106.760363][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.760583][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.760742][   T12] CR2: 00007f248f272b70 CR3: 000000004994d006 CR4: 0000000000771ef0
[  106.760930][   T12] PKRU: 55555554
[  106.761022][   T12] Call Trace:
[  106.761114][   T12]  <TASK>
[  106.761178][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.761306][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  106.761435][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.761533][   T12]  netif_close_many (net/core/dev.c:1804)
[  106.761661][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.761782][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.761907][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.762029][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  106.762155][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  106.762316][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  106.762472][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.762598][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.763314][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.763441][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.763571][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.763786][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  106.763915][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.764041][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.764165][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.764289][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.764421][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.764548][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.764720][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.764846][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.764971][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.765094][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.765218][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.765347][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.765473][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.765605][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.765778][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.765909][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.766037][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.766158][   T12]  kthread (kernel/kthread.c:436)
[  106.766252][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.766411][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.766539][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.766710][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.766863][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.766986][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.767117][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.769513][   T12] ------------[ cut here ]------------
| [  106.769645][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  106.769894][   T12] Modules linked in: xfrm_user nf_tables
| [  106.770290][   T12] Tainted: [W]=WARN
[  106.770388][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.770543][   T12] Workqueue: netns cleanup_net
[  106.770697][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.770853][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.771276][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  106.771431][   T12] RAX: 00000000ffffffa6 RBX: ff110000125c7380 RCX: 1ff4000000018ed5
[  106.771611][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000125c743c
[  106.771795][   T12] RBP: ff1100000ea69000 R08: 1fe22000024b8e89 R09: ff11000001aed1d0
[  106.771971][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  106.772150][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.772334][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[  106.772543][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.772699][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d003 CR4: 0000000000771ef0
[  106.772877][   T12] PKRU: 55555554
[  106.772966][   T12] Call Trace:
[  106.773057][   T12]  <TASK>
[  106.773119][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.773271][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.773430][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.773552][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.773676][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.773830][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.773951][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.774070][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.774187][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.774312][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.774431][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.774550][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.774676][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.774797][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.774914][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.775034][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.775152][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.775274][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.775400][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.775520][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.775642][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.775771][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.775887][   T12]  kthread (kernel/kthread.c:436)
[  106.775981][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.776129][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.776248][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.776372][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.776530][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.776648][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.776774][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.779086][   T12] ------------[ cut here ]------------
| [  106.779205][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  106.779451][   T12] Modules linked in: xfrm_user nf_tables
| [  106.780603][   T12] Tainted: [W]=WARN
[  106.780788][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.780937][   T12] Workqueue: netns cleanup_net
[  106.781060][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.781214][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.781645][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  106.781910][   T12] RAX: 00000000ffffffa6 RBX: ff110000125c7c40 RCX: 1ff4000000018ed5
[  106.782178][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000125c7cfc
[  106.782365][   T12] RBP: ff1100000a82c000 R08: 1fe22000024b8fa1 R09: ff11000001aed1d0
[  106.782546][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  106.782810][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.782988][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[  106.783193][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.783346][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d003 CR4: 0000000000771ef0
[  106.783529][   T12] PKRU: 55555554
[  106.783618][   T12] Call Trace:
[  106.783774][   T12]  <TASK>
[  106.783836][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.783989][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.784135][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.784254][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.784377][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.784533][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.784738][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.784856][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.784975][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.785095][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.785214][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.785340][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.785461][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.785585][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.785796][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.785916][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.786033][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.786152][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.786278][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.786402][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.786526][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.786708][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.786827][   T12]  kthread (kernel/kthread.c:436)
[  106.786917][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.787064][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.787183][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.787300][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.787451][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.787571][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.787770][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.790455][   T12] ------------[ cut here ]------------
| [  106.790586][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  106.791168][   T12] Modules linked in: xfrm_user nf_tables
| [  106.791569][   T12] Tainted: [W]=WARN
[  106.791707][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.791855][   T12] Workqueue: netns cleanup_net
[  106.791977][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.792130][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.792563][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  106.792759][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b700e40 RCX: 1ff4000000018ed5
[  106.792981][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b700efc
[  106.793159][   T12] RBP: ff1100000a351000 R08: 1fe22000016e01e1 R09: ff11000001aed1d0
[  106.793348][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  106.793528][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.793753][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[  106.793961][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.794108][   T12] CR2: 00007f4cd72fcf98 CR3: 000000004994d003 CR4: 0000000000771ef0
[  106.794287][   T12] PKRU: 55555554
[  106.794381][   T12] Call Trace:
[  106.794468][   T12]  <TASK>
[  106.794534][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.794733][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.794879][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.794998][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.795123][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.795273][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.795398][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.795526][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.795644][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.795815][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.795935][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.796058][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.796180][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.796298][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.796420][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.796546][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.796711][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.796830][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.796952][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.797071][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.797194][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.797321][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.797440][   T12]  kthread (kernel/kthread.c:436)
[  106.797533][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.797726][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.797844][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.797962][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.798108][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.798226][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.798349][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.846402][   T12] ------------[ cut here ]------------
| [  106.846546][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  106.846794][   T12] Modules linked in: xfrm_user nf_tables
| [  106.847195][   T12] Tainted: [W]=WARN
[  106.847284][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.847437][   T12] Workqueue: netns cleanup_net
[  106.847563][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.847723][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.848227][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  106.848401][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b701c40 RCX: 1ff4000000018eed
[  106.848579][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b701cfc
[  106.848767][   T12] RBP: ff1100000eb91000 R08: 1fe22000016e03a1 R09: ff11000001aed1d0
[  106.848939][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  106.849117][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.849294][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  106.849500][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.849648][   T12] CR2: 00007f2e59ca6000 CR3: 000000004994d003 CR4: 0000000000771ef0
[  106.849829][   T12] PKRU: 55555554
[  106.849916][   T12] Call Trace:
[  106.850003][   T12]  <TASK>
[  106.850066][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.850215][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.850371][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  106.850487][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  106.850608][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.850731][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  106.850847][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.850966][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  106.851085][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.851200][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.851326][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.851443][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.851562][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.851686][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.851802][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.851923][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.852042][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.852162][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.852282][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.852414][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.852533][   T12]  kthread (kernel/kthread.c:436)
[  106.852619][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.852819][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.852937][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.853052][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.853197][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.853319][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.853443][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.856019][   T12] ------------[ cut here ]------------
| [  106.856150][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  106.856386][   T12] Modules linked in: xfrm_user nf_tables
| [  106.856782][   T12] Tainted: [W]=WARN
[  106.856870][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.857015][   T12] Workqueue: netns cleanup_net
[  106.857136][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.857290][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.857728][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  106.857874][   T12] RAX: 00000000ffffffa6 RBX: ff1100001243fa80 RCX: 1ff4000000018eed
[  106.858047][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001243fb3c
[  106.858268][   T12] RBP: ff1100000f8e4000 R08: 1fe2200002487f69 R09: ff11000001aed1d0
[  106.858466][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  106.858645][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.858831][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  106.859036][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.859182][   T12] CR2: 00007f2e59ca6000 CR3: 000000004994d003 CR4: 0000000000771ef0
[  106.859366][   T12] PKRU: 55555554
[  106.859452][   T12] Call Trace:
[  106.859540][   T12]  <TASK>
[  106.859600][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.859754][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.859903][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  106.860019][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  106.860135][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.860251][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  106.860372][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.860488][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  106.860610][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.860732][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.860850][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.860965][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.861080][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.861197][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.861319][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.861437][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.861564][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.861686][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.861806][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.861926][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.862041][   T12]  kthread (kernel/kthread.c:436)
[  106.862129][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.862273][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.862396][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.862515][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.862665][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.862780][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.862895][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.865968][   T12] ------------[ cut here ]------------
| [  106.866103][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  106.866387][   T12] Modules linked in: xfrm_user nf_tables
| [  106.866808][   T12] Tainted: [W]=WARN
[  106.866895][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.867038][   T12] Workqueue: netns cleanup_net
[  106.867159][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.867323][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.867749][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  106.867895][   T12] RAX: 00000000ffffffa6 RBX: ff11000009c74040 RCX: 1ff4000000018eed
[  106.868072][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009c740fc
[  106.868246][   T12] RBP: ff110000127f9000 R08: 1fe220000138e821 R09: ff11000001aed1d0
[  106.868425][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  106.868599][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.868779][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  106.868981][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.869129][   T12] CR2: 00007f2e59ca6000 CR3: 000000004994d003 CR4: 0000000000771ef0
[  106.869302][   T12] PKRU: 55555554
[  106.869394][   T12] Call Trace:
[  106.869480][   T12]  <TASK>
[  106.869544][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.869697][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.869840][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  106.869957][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  106.870074][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.870189][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  106.870305][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.870433][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  106.870555][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.870695][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.870816][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.870934][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.871049][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.871165][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.871280][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.871403][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.871525][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.871641][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.871814][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.871939][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.872053][   T12]  kthread (kernel/kthread.c:436)
[  106.872140][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.872281][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.872403][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.872522][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.872758][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.872935][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.873052][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.875725][   T12] ------------[ cut here ]------------
| [  106.875852][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  106.876127][   T12] Modules linked in: xfrm_user nf_tables
| [  106.876552][   T12] Tainted: [W]=WARN
[  106.876643][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.876888][   T12] Workqueue: netns cleanup_net
[  106.877010][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.877161][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.877590][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  106.877828][   T12] RAX: 00000000ffffffa6 RBX: ff11000009c743c0 RCX: 1ff4000000018eed
[  106.878000][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009c7447c
[  106.878174][   T12] RBP: ff11000004fb1000 R08: 1fe220000138e891 R09: ff11000001aed1d0
[  106.878349][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  106.878526][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.878802][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  106.879003][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.879148][   T12] CR2: 00007f2e59ca6000 CR3: 000000004994d003 CR4: 0000000000771ef0
[  106.879329][   T12] PKRU: 55555554
[  106.879416][   T12] Call Trace:
[  106.879511][   T12]  <TASK>
[  106.879571][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.879808][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.879956][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  106.880071][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  106.880187][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.880303][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  106.880431][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.880549][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  106.880753][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.880868][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.880986][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.881102][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.881216][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.881342][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.881457][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.881575][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.881784][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.881900][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.882019][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.882138][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.882254][   T12]  kthread (kernel/kthread.c:436)
[  106.882346][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.882489][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.882608][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.882805][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.882950][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.883065][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.883182][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.886134][   T12] ------------[ cut here ]------------
| [  106.886262][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.886505][   T12] Modules linked in: xfrm_user nf_tables
| [  106.886906][   T12] Tainted: [W]=WARN
[  106.886994][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.887144][   T12] Workqueue: netns cleanup_net
[  106.887267][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.887426][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.887857][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  106.888003][   T12] RAX: 00000000ffffffa6 RBX: ff11000009c74740 RCX: 1ff4000000018eed
[  106.888183][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009c747fc
[  106.888363][   T12] RBP: ff11000009881000 R08: 1fe220000138e901 R09: ff11000001aed1d0
[  106.888540][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.888720][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.888896][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.889099][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.889246][   T12] CR2: 00007fa89a848000 CR3: 000000004994d001 CR4: 0000000000771ef0
[  106.889429][   T12] PKRU: 55555554
[  106.889517][   T12] Call Trace:
[  106.889603][   T12]  <TASK>
[  106.889667][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.889818][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.889964][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  106.890081][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  106.890198][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.890320][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  106.890437][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.890562][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  106.890688][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.890807][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.890925][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.891045][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.891166][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.891284][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.891403][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.891525][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.891647][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.891770][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.891890][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.892012][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.892127][   T12]  kthread (kernel/kthread.c:436)
[  106.892215][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.892369][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.892485][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.892604][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.892753][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.892868][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.892985][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.907531][   T12] ------------[ cut here ]------------
| [  106.907685][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  106.907927][   T12] Modules linked in: xfrm_user nf_tables
| [  106.908338][   T12] Tainted: [W]=WARN
[  106.908434][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.908590][   T12] Workqueue: netns cleanup_net
[  106.908724][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.908882][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.909327][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  106.909481][   T12] RAX: 00000000ffffffa6 RBX: ff11000009c74900 RCX: 1ff4000000018eaf
[  106.909671][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009c749bc
[  106.909853][   T12] RBP: ff11000009804000 R08: 1fe220000138e939 R09: ff11000001aed1d0
[  106.910034][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[  106.910217][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013a79000
[  106.910405][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  106.910622][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.910797][   T12] CR2: 000055d401a164e8 CR3: 000000004994d003 CR4: 0000000000771ef0
[  106.910982][   T12] PKRU: 55555554
[  106.911072][   T12] Call Trace:
[  106.911162][   T12]  <TASK>
[  106.911225][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.911353][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.911447][   T12]  netif_close_many (net/core/dev.c:1804)
[  106.911573][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.911699][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.911819][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.911943][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  106.912065][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  106.912218][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  106.912379][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.912503][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.912662][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.912785][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.912907][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.913060][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  106.913186][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.913318][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.913439][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.913563][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.913691][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.913815][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.913936][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.914062][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.914185][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.914306][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.914435][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.914558][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.914685][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.914812][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.914934][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.915061][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.915186][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.915305][   T12]  kthread (kernel/kthread.c:436)
[  106.915402][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.915556][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.915716][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.915845][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.915998][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.916121][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.916242][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.919086][   T12] ------------[ cut here ]------------
| [  106.919220][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  106.919467][   T12] Modules linked in: xfrm_user nf_tables
| [  106.919893][   T12] Tainted: [W]=WARN
[  106.919987][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.920143][   T12] Workqueue: netns cleanup_net
[  106.920272][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.920438][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.920885][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  106.921041][   T12] RAX: 00000000ffffffa6 RBX: ff11000012be4040 RCX: 1ff4000000018eaf
[  106.921225][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012be40fc
[  106.921411][   T12] RBP: ff11000013a79000 R08: 1fe220000257c821 R09: ff11000001aed1d0
[  106.921599][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[  106.921789][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a3a9000
[  106.921973][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[  106.922189][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.922348][   T12] CR2: 00007f74117a6668 CR3: 0000000014d1d003 CR4: 0000000000771ef0
[  106.922539][   T12] PKRU: 55555554
[  106.922632][   T12] Call Trace:
[  106.922727][   T12]  <TASK>
[  106.922792][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.922917][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  106.923045][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.923143][   T12]  netif_close_many (net/core/dev.c:1804)
[  106.923274][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.923401][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.923527][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.923647][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  106.923780][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  106.923936][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  106.924093][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.924216][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.924372][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.924493][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.924618][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.925377][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  106.925510][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.925638][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.925953][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.926085][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.926210][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.926341][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.926464][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.926593][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.926813][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.927031][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.927154][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.927278][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.927408][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.927538][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.927759][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.927887][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.928014][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.928136][   T12]  kthread (kernel/kthread.c:436)
[  106.928227][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.928381][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.928508][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.928632][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.928882][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.929004][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.929127][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.932198][   T12] ------------[ cut here ]------------
| [  106.932330][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.932576][   T12] Modules linked in: xfrm_user nf_tables
| [  106.933006][   T12] Tainted: [W]=WARN
[  106.933099][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.933252][   T12] Workqueue: netns cleanup_net
[  106.933385][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.933547][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.933993][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  106.934149][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e530200 RCX: 1ff4000000018eaf
[  106.934336][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5302bc
[  106.934522][   T12] RBP: ff1100000a3a9000 R08: 1fe2200001ca6059 R09: ff11000001aed1d0
[  106.934714][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  106.934898][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  106.935084][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.935298][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.935460][   T12] CR2: 00007fa89a848000 CR3: 000000004994d001 CR4: 0000000000771ef0
[  106.935656][   T12] PKRU: 55555554
[  106.935748][   T12] Call Trace:
[  106.935841][   T12]  <TASK>
[  106.935905][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  106.936029][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  106.936154][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  106.936251][   T12]  netif_close_many (net/core/dev.c:1804)
[  106.936380][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.936503][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.936627][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.936756][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  106.936879][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  106.937036][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  106.937192][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.937323][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.937475][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.937601][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.937727][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.937879][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  106.938005][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.938129][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.938254][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.938381][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.938515][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.938649][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.938775][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.938900][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.939024][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.939148][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.939274][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.939402][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.939530][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.939665][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.939787][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.939914][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.940042][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.940165][   T12]  kthread (kernel/kthread.c:436)
[  106.940258][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.940417][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.940548][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.940678][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.940831][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.940955][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.941079][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.943144][   T12] ------------[ cut here ]------------
| [  106.943263][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.943505][   T12] Modules linked in: xfrm_user nf_tables
| [  106.943902][   T12] Tainted: [W]=WARN
[  106.943991][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.944137][   T12] Workqueue: netns cleanup_net
[  106.944260][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.944418][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.944845][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  106.944994][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e531000 RCX: 1ff4000000018ed5
[  106.945172][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e5310bc
[  106.945359][   T12] RBP: ff11000009804000 R08: 1fe2200001ca6219 R09: ff11000001aed1d0
[  106.945538][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.945718][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.945896][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.946102][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.946248][   T12] CR2: 00007fa89a848000 CR3: 000000004994d001 CR4: 0000000000771ef0
[  106.946430][   T12] PKRU: 55555554
[  106.946521][   T12] Call Trace:
[  106.946610][   T12]  <TASK>
[  106.946677][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.946827][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.946975][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.947096][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.947215][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.947373][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.947494][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.947617][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.947742][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.947863][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.947982][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.948100][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.948221][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.948346][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.948466][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.948589][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.948712][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.948833][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.948956][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.949075][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.949198][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.949325][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.949446][   T12]  kthread (kernel/kthread.c:436)
[  106.949539][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.949692][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.949810][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.949930][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.950082][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.950199][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.950324][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.952635][   T12] ------------[ cut here ]------------
| [  106.952759][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.952990][   T12] Modules linked in: xfrm_user nf_tables
| [  106.953395][   T12] Tainted: [W]=WARN
[  106.953488][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.953645][   T12] Workqueue: netns cleanup_net
[  106.953783][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.953937][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.954369][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  106.954520][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e5318c0 RCX: 1ff4000000018ed5
[  106.954704][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e53197c
[  106.954880][   T12] RBP: ff11000013a79000 R08: 1fe2200001ca6331 R09: ff11000001aed1d0
[  106.955058][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.955235][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.955419][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.955629][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.955786][   T12] CR2: 00007fa89a848000 CR3: 000000004994d001 CR4: 0000000000771ef0
[  106.955969][   T12] PKRU: 55555554
[  106.956059][   T12] Call Trace:
[  106.956149][   T12]  <TASK>
[  106.956215][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.956377][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.956534][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.956658][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.956777][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.956928][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.957050][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.957168][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.957292][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.957419][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.957543][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.957665][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.957787][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.957912][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.958033][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.958152][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.958275][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.958402][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.958526][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.958646][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.958776][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.958900][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.959018][   T12]  kthread (kernel/kthread.c:436)
[  106.959108][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.959255][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.959379][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.959498][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.959659][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.959778][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.959897][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  106.962578][   T12] ------------[ cut here ]------------
| [  106.963491][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  106.963779][   T12] Modules linked in: xfrm_user nf_tables
| [  106.964166][   T12] Tainted: [W]=WARN
[  106.964255][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  106.964410][   T12] Workqueue: netns cleanup_net
[  106.964535][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  106.964739][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  106.965158][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  106.965318][   T12] RAX: 00000000ffffffa6 RBX: ff11000013afaac0 RCX: 1ff4000000018ed5
[  106.965494][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013afab7c
[  106.965721][   T12] RBP: ff1100000a3a9000 R08: 1fe220000275f571 R09: ff11000001aed1d0
[  106.965897][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  106.966078][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  106.966254][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  106.966464][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  106.966617][   T12] CR2: 00007fa89a848000 CR3: 000000004994d001 CR4: 0000000000771ef0
[  106.966842][   T12] PKRU: 55555554
[  106.966931][   T12] Call Trace:
[  106.967019][   T12]  <TASK>
[  106.967080][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  106.967232][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  106.967386][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  106.967507][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  106.967625][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  106.967825][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  106.967946][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  106.968067][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  106.968185][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  106.968304][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  106.968430][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  106.968551][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  106.968719][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  106.968838][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  106.968957][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  106.969077][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  106.969196][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  106.969320][   T12]  process_one_work (kernel/workqueue.c:3314)
[  106.969448][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  106.969568][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  106.969738][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  106.969861][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  106.969978][   T12]  kthread (kernel/kthread.c:436)
[  106.970067][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  106.970214][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.970339][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  106.970457][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  106.970608][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  106.970776][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  106.970895][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.050170][   T12] ------------[ cut here ]------------
| [  107.050315][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  107.050560][   T12] Modules linked in: xfrm_user nf_tables
| [  107.050958][   T12] Tainted: [W]=WARN
[  107.051047][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.051197][   T12] Workqueue: netns cleanup_net
[  107.051323][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.051475][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.051900][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  107.052059][   T12] RAX: 00000000ffffffa6 RBX: ff11000013afb8c0 RCX: 1ff4000000018eed
[  107.052233][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013afb97c
[  107.052407][   T12] RBP: ff11000013301000 R08: 1fe220000275f731 R09: ff11000001aed1d0
[  107.052672][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  107.052863][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.053041][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  107.053245][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.053397][   T12] CR2: 00007fe32072d000 CR3: 000000004994d004 CR4: 0000000000771ef0
[  107.053578][   T12] PKRU: 55555554
[  107.053674][   T12] Call Trace:
[  107.053761][   T12]  <TASK>
[  107.053823][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.053971][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.054118][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  107.054241][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  107.054363][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.054477][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  107.054596][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.054720][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  107.054838][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.054952][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.055070][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.055191][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.055305][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.055426][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.055542][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.055665][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.055784][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.055898][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.056019][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.056138][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.056252][   T12]  kthread (kernel/kthread.c:436)
[  107.056343][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.056485][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.056608][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.056781][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.056925][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.057041][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.057156][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.059688][   T12] ------------[ cut here ]------------
| [  107.059806][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  107.060029][   T12] Modules linked in: xfrm_user nf_tables
| [  107.060420][   T12] Tainted: [W]=WARN
[  107.060510][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.060732][   T12] Workqueue: netns cleanup_net
[  107.060857][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.061006][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.061426][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  107.061571][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c648900 RCX: 1ff4000000018eed
[  107.061748][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6489bc
[  107.061921][   T12] RBP: ff11000007849000 R08: 1fe22000018c9139 R09: ff11000001aed1d0
[  107.062097][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  107.062269][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.062449][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  107.062660][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.062805][   T12] CR2: 00007fe32072d000 CR3: 000000004994d004 CR4: 0000000000771ef0
[  107.062976][   T12] PKRU: 55555554
[  107.063062][   T12] Call Trace:
[  107.063148][   T12]  <TASK>
[  107.063208][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.063363][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.063511][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  107.063626][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  107.063752][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.063867][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  107.063984][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.064100][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  107.064217][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.064337][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.064455][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.064573][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.064691][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.064807][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.064922][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.065039][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.065159][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.065275][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.065401][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.065521][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.065636][   T12]  kthread (kernel/kthread.c:436)
[  107.065729][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.065872][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.065987][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.066104][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.066248][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.066370][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.066490][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.069043][   T12] ------------[ cut here ]------------
| [  107.069171][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  107.069406][   T12] Modules linked in: xfrm_user nf_tables
| [  107.070279][   T12] Tainted: [W]=WARN
[  107.070379][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.070533][   T12] Workqueue: netns cleanup_net
[  107.070754][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.070920][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.071401][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  107.071554][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c649a80 RCX: 1ff4000000018eed
[  107.071775][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c649b3c
[  107.071946][   T12] RBP: ff1100000965c000 R08: 1fe22000018c9369 R09: ff11000001aed1d0
[  107.072118][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  107.072288][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.072469][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  107.072725][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.072870][   T12] CR2: 00007fe32072d000 CR3: 000000004994d004 CR4: 0000000000771ef0
[  107.073042][   T12] PKRU: 55555554
[  107.073133][   T12] Call Trace:
[  107.073219][   T12]  <TASK>
[  107.073279][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.073432][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.073579][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  107.073742][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  107.073863][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.073977][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  107.074098][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.074216][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  107.074337][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.074452][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.074573][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.074735][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.074855][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.074971][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.075085][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.075201][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.075324][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.075440][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.075564][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.075731][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.075847][   T12]  kthread (kernel/kthread.c:436)
[  107.075934][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.076076][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.076191][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.076306][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.076455][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.076574][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.076733][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.079579][   T12] ------------[ cut here ]------------
| [  107.079720][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  107.079956][   T12] Modules linked in: xfrm_user nf_tables
| [  107.080358][   T12] Tainted: [W]=WARN
[  107.080451][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.080599][   T12] Workqueue: netns cleanup_net
[  107.080724][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.080875][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.081313][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  107.081460][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c648580 RCX: 1ff4000000018eed
[  107.081643][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c64863c
[  107.081827][   T12] RBP: ff1100000964c000 R08: 1fe22000018c90c9 R09: ff11000001aed1d0
[  107.081999][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  107.082175][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.082353][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  107.082563][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.082714][   T12] CR2: 000055d401a23758 CR3: 000000000febe006 CR4: 0000000000771ef0
[  107.082890][   T12] PKRU: 55555554
[  107.082976][   T12] Call Trace:
[  107.083063][   T12]  <TASK>
[  107.083124][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.083272][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.083421][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  107.083544][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  107.083711][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.083829][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  107.083945][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.084064][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  107.084181][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.084296][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.084425][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.084544][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.084705][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.084824][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.084938][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.085057][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.085177][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.085297][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.085422][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.085546][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.085707][   T12]  kthread (kernel/kthread.c:436)
[  107.085840][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.085986][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.086103][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.086224][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.086374][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.086489][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.086619][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.095334][   T12] ------------[ cut here ]------------
| [  107.095462][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  107.095701][   T12] Modules linked in: xfrm_user nf_tables
| [  107.096095][   T12] Tainted: [W]=WARN
[  107.096182][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.096339][   T12] Workqueue: netns cleanup_net
[  107.096465][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.096623][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.097044][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  107.097192][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c648e40 RCX: 1ff4000000018eed
[  107.097372][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c648efc
[  107.097551][   T12] RBP: ff1100000963c000 R08: 1fe22000018c91e1 R09: ff11000001aed1d0
[  107.097735][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  107.097907][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.098083][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  107.098288][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.098442][   T12] CR2: 000055d401a23758 CR3: 000000004994d001 CR4: 0000000000771ef0
[  107.098622][   T12] PKRU: 55555554
[  107.098713][   T12] Call Trace:
[  107.098800][   T12]  <TASK>
[  107.098860][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.099010][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.099154][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  107.099271][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  107.099396][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.099513][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  107.099631][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.099793][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  107.099959][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.100076][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.100194][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.100317][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.100434][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.100555][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.100716][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.100833][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.100953][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.101069][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.101190][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.101315][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.101432][   T12]  kthread (kernel/kthread.c:436)
[  107.101523][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.101718][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.101834][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.101950][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.102100][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.102218][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.102356][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.116521][   T12] ------------[ cut here ]------------
| [  107.116664][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  107.116907][   T12] Modules linked in: xfrm_user nf_tables
| [  107.117319][   T12] Tainted: [W]=WARN
[  107.117415][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.117575][   T12] Workqueue: netns cleanup_net
[  107.117712][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.117871][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.118323][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  107.118482][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c6498c0 RCX: 1ff4000000018eaf
[  107.118674][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c64997c
[  107.118859][   T12] RBP: ff11000014dbc000 R08: 1fe22000018c9331 R09: ff11000001aed1d0
[  107.119044][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[  107.119229][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012fa1000
[  107.119423][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  107.119644][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.119806][   T12] CR2: 000055d401a23758 CR3: 000000004994d001 CR4: 0000000000771ef0
[  107.119992][   T12] PKRU: 55555554
[  107.120084][   T12] Call Trace:
[  107.120177][   T12]  <TASK>
[  107.120241][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.120374][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.120470][   T12]  netif_close_many (net/core/dev.c:1804)
[  107.120598][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.120726][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.120850][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.120973][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  107.121099][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  107.121255][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  107.121415][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.121544][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.121709][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.121834][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.121957][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  107.122112][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  107.122238][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  107.122369][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  107.122493][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  107.122622][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  107.122755][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  107.122881][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.123005][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.123132][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.123257][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.123384][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.123513][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.123640][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.123771][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.123900][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.124023][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.124153][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.124281][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.124411][   T12]  kthread (kernel/kthread.c:436)
[  107.124508][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.124668][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.124794][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.124919][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.125075][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.125198][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.125326][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.128157][   T12] ------------[ cut here ]------------
| [  107.128334][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  107.128637][   T12] Modules linked in: xfrm_user nf_tables
| [  107.129171][   T12] Tainted: [W]=WARN
[  107.129320][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.129523][   T12] Workqueue: netns cleanup_net
[  107.129718][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.129931][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.130424][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  107.130642][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a0ce900 RCX: 1ff4000000018eaf
[  107.130893][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a0ce9bc
[  107.131124][   T12] RBP: ff11000012fa1000 R08: 1fe2200001419d39 R09: ff11000001aed1d0
[  107.131367][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  107.131637][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012b1c000
[  107.131944][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  107.132212][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.132429][   T12] CR2: 00007fa7f0670000 CR3: 000000004994d002 CR4: 0000000000771ef0
[  107.132692][   T12] PKRU: 55555554
[  107.132837][   T12] Call Trace:
[  107.133014][   T12]  <TASK>
[  107.133132][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.133306][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  107.133491][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.133647][   T12]  netif_close_many (net/core/dev.c:1804)
[  107.133843][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.134020][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.134199][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.134402][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  107.134589][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  107.134813][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  107.135028][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.135206][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.135456][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.135718][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.135925][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  107.136130][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  107.136307][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  107.136491][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  107.136685][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  107.136857][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  107.137063][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  107.137238][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.137417][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.137599][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.137786][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.137956][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.138131][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.138307][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.138494][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.138693][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.138866][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.139042][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.139220][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.139399][   T12]  kthread (kernel/kthread.c:436)
[  107.139547][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.139762][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.139934][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.140108][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.140317][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.140488][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.140683][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.144125][   T12] ------------[ cut here ]------------
| [  107.144290][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  107.144595][   T12] Modules linked in: xfrm_user nf_tables
| [  107.145109][   T12] Tainted: [W]=WARN
[  107.145248][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.145460][   T12] Workqueue: netns cleanup_net
[  107.145691][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.145897][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.146389][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  107.146599][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d2f1380 RCX: 1ff4000000018eaf
[  107.146842][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d2f143c
[  107.147072][   T12] RBP: ff11000012b1c000 R08: 1fe2200001a5e289 R09: ff11000001aed1d0
[  107.147303][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  107.147548][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  107.147794][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  107.148059][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.148263][   T12] CR2: 00007fa7f0670000 CR3: 000000004994d002 CR4: 0000000000771ef0
[  107.148506][   T12] PKRU: 55555554
[  107.148691][   T12] Call Trace:
[  107.148835][   T12]  <TASK>
[  107.148946][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.149120][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  107.149292][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.149448][   T12]  netif_close_many (net/core/dev.c:1804)
[  107.149627][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.149809][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.149979][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.150151][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  107.150331][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  107.150538][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  107.150756][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.150930][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.151157][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.151336][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.151508][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  107.151727][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  107.151899][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  107.152073][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  107.152247][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  107.152427][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  107.152620][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  107.152806][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.152976][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.153151][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.153331][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.153502][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.153697][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.153869][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.154042][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.154218][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.154479][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.154913][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.155091][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.155265][   T12]  kthread (kernel/kthread.c:436)
[  107.155416][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.155794][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.155966][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.156136][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.156345][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.156520][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.156705][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.159641][   T12] ------------[ cut here ]------------
| [  107.159821][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  107.160244][   T12] Modules linked in: xfrm_user nf_tables
| [  107.161031][   T12] Tainted: [W]=WARN
[  107.161317][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.161576][   T12] Workqueue: netns cleanup_net
[  107.161843][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.162150][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.162692][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  107.162937][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cd40200 RCX: 1ff4000000018ed5
[  107.163214][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd402bc
[  107.163488][   T12] RBP: ff11000014dbc000 R08: 1fe22000019a8059 R09: ff11000001aed1d0
[  107.163778][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  107.164046][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.164321][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  107.164626][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.164879][   T12] CR2: 00007fa7f0670000 CR3: 000000004994d002 CR4: 0000000000771ef0
[  107.165154][   T12] PKRU: 55555554
[  107.165341][   T12] Call Trace:
[  107.165529][   T12]  <TASK>
[  107.165697][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.165943][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.166181][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.166400][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.166620][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  107.166875][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  107.167090][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  107.167302][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  107.167533][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  107.167762][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  107.167980][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.168191][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.168415][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.168637][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.168890][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.169102][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.169320][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.169546][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.169773][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.169984][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.170319][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.170625][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.170833][   T12]  kthread (kernel/kthread.c:436)
[  107.170967][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.171164][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.171338][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.171509][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.171719][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.171916][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.172083][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.174866][   T12] ------------[ cut here ]------------
| [  107.175029][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  107.175320][   T12] Modules linked in: xfrm_user nf_tables
| [  107.176022][   T12] Tainted: [W]=WARN
[  107.176213][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.176495][   T12] Workqueue: netns cleanup_net
[  107.176800][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.177051][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.177574][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  107.177831][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cd40ac0 RCX: 1ff4000000018ed5
[  107.178101][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd40b7c
[  107.178373][   T12] RBP: ff11000012fa1000 R08: 1fe22000019a8171 R09: ff11000001aed1d0
[  107.178665][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  107.178932][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.179204][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  107.179515][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.179772][   T12] CR2: 00007fa7f0670000 CR3: 000000004994d002 CR4: 0000000000771ef0
[  107.180041][   T12] PKRU: 55555554
[  107.180219][   T12] Call Trace:
[  107.180401][   T12]  <TASK>
[  107.180562][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.180823][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.181062][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.181273][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.181490][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  107.181754][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  107.181968][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  107.182181][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  107.182403][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  107.182625][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  107.182853][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.183065][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.183281][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.183500][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.183731][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.183948][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.184158][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.184379][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.184624][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.184894][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.185135][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.185364][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.185551][   T12]  kthread (kernel/kthread.c:436)
[  107.185703][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.185899][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.186067][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.186235][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.186439][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.186612][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.186794][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.191501][   T12] ------------[ cut here ]------------
| [  107.191681][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  107.191959][   T12] Modules linked in: xfrm_user nf_tables
| [  107.192461][   T12] Tainted: [W]=WARN
[  107.192605][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.192817][   T12] Workqueue: netns cleanup_net
[  107.192989][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.193190][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.193686][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  107.193885][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cd41c40 RCX: 1ff4000000018ed5
[  107.194107][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd41cfc
[  107.194336][   T12] RBP: ff11000012b1c000 R08: 1fe22000019a83a1 R09: ff11000001aed1d0
[  107.194571][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  107.194882][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.195155][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  107.195465][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.195780][   T12] CR2: 00007fa7f0670000 CR3: 000000004994d002 CR4: 0000000000771ef0
[  107.196077][   T12] PKRU: 55555554
[  107.196306][   T12] Call Trace:
[  107.196526][   T12]  <TASK>
[  107.196723][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.196979][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.197249][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.197468][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.197700][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  107.197949][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  107.198162][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  107.198383][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  107.198607][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  107.198837][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  107.199052][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.199262][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.199535][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.199764][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.199974][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.200187][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.200403][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.200625][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.200853][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.201067][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.201282][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.201505][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.201739][   T12]  kthread (kernel/kthread.c:436)
[  107.201921][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.202159][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.202380][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.202553][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.202763][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.202930][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.203096][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.253593][   T12] ------------[ cut here ]------------
| [  107.253772][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  107.254048][   T12] Modules linked in: xfrm_user nf_tables
| [  107.254569][   T12] Tainted: [W]=WARN
[  107.254718][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.254910][   T12] Workqueue: netns cleanup_net
[  107.255081][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.255278][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.255762][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  107.255957][   T12] RAX: 00000000ffffffa6 RBX: ff11000010929000 RCX: 1ff4000000018eed
[  107.256176][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000109290bc
[  107.256403][   T12] RBP: ff110000087d9000 R08: 1fe2200002125219 R09: ff11000001aed1d0
[  107.256631][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  107.256867][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.257086][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  107.257340][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.257534][   T12] CR2: 00007fa7f0670000 CR3: 000000004994d002 CR4: 0000000000771ef0
[  107.257770][   T12] PKRU: 55555554
[  107.257903][   T12] Call Trace:
[  107.258035][   T12]  <TASK>
[  107.258142][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.258346][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.258542][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  107.258722][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  107.258890][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.259084][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  107.259254][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.259429][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  107.259606][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.259781][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.259946][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.260111][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.260272][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.260449][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.260619][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.260795][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.260963][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.261125][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.261294][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.261471][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.261642][   T12]  kthread (kernel/kthread.c:436)
[  107.261794][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.261985][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.262150][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.262324][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.262520][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.262699][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.262869][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.265523][   T12] ------------[ cut here ]------------
| [  107.266106][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  107.266393][   T12] Modules linked in: xfrm_user nf_tables
| [  107.266889][   T12] Tainted: [W]=WARN
[  107.267050][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.267242][   T12] Workqueue: netns cleanup_net
[  107.267416][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.267666][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.268123][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  107.268352][   T12] RAX: 00000000ffffffa6 RBX: ff11000012038200 RCX: 1ff4000000018eed
[  107.268578][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000120382bc
[  107.268813][   T12] RBP: ff11000012fb9000 R08: 1fe2200002407059 R09: ff11000001aed1d0
[  107.269033][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  107.269250][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.269476][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  107.269747][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.269940][   T12] CR2: 00007fa7f0670000 CR3: 000000004994d002 CR4: 0000000000771ef0
[  107.270159][   T12] PKRU: 55555554
[  107.270328][   T12] Call Trace:
[  107.270461][   T12]  <TASK>
[  107.270606][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.270816][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.271035][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  107.271203][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  107.271380][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.271548][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  107.271739][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.271906][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  107.272073][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.272234][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.272411][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.272591][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.272780][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.272948][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.273115][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.273279][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.273449][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.273617][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.273800][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.273969][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.274132][   T12]  kthread (kernel/kthread.c:436)
[  107.274266][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.274466][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.274638][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.274816][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.275008][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.275174][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.275345][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.277956][   T12] ------------[ cut here ]------------
| [  107.278117][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  107.278398][   T12] Modules linked in: xfrm_user nf_tables
| [  107.279329][   T12] Tainted: [W]=WARN
[  107.279517][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.279778][   T12] Workqueue: netns cleanup_net
[  107.279992][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.280236][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.280765][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  107.281012][   T12] RAX: 00000000ffffffa6 RBX: ff11000012038900 RCX: 1ff4000000018eed
[  107.281274][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000120389bc
[  107.281551][   T12] RBP: ff11000013871000 R08: 1fe2200002407139 R09: ff11000001aed1d0
[  107.281827][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  107.282087][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.282358][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  107.282668][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.282907][   T12] CR2: 00007fa7f0670000 CR3: 000000004994d002 CR4: 0000000000771ef0
[  107.283169][   T12] PKRU: 55555554
[  107.283352][   T12] Call Trace:
[  107.283536][   T12]  <TASK>
[  107.283710][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.283967][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.284156][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  107.284329][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  107.284494][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.284677][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  107.284841][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.285006][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  107.285171][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.285340][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.285510][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.285697][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.285861][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.286026][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.286189][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.286359][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.286562][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.286740][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.286911][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.287081][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.287243][   T12]  kthread (kernel/kthread.c:436)
[  107.287384][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.287583][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.287759][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.287923][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.288121][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.288283][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.288456][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.290900][   T12] ------------[ cut here ]------------
| [  107.291065][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  107.291348][   T12] Modules linked in: xfrm_user nf_tables
| [  107.292318][   T12] Tainted: [W]=WARN
[  107.292556][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.292853][   T12] Workqueue: netns cleanup_net
[  107.293094][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.293384][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.293913][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  107.294151][   T12] RAX: 00000000ffffffa6 RBX: ff11000012038c80 RCX: 1ff4000000018eed
[  107.294434][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012038d3c
[  107.294716][   T12] RBP: ff11000013339000 R08: 1fe22000024071a9 R09: ff11000001aed1d0
[  107.294983][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  107.295278][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.295556][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  107.295861][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.296125][   T12] CR2: 00007fa7f0670000 CR3: 000000004994d002 CR4: 0000000000771ef0
[  107.296398][   T12] PKRU: 55555554
[  107.296577][   T12] Call Trace:
[  107.296795][   T12]  <TASK>
[  107.296944][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.297186][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.297457][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  107.297686][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  107.297898][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.298106][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  107.298353][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.298567][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  107.298792][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.298998][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.299209][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.299432][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.299646][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.299910][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.300119][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.300344][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.300620][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.300887][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.301182][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.301445][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.301716][   T12]  kthread (kernel/kthread.c:436)
[  107.301941][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.302218][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.302461][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.302635][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.302838][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.303002][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.303166][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.305596][   T12] ------------[ cut here ]------------
| [  107.305773][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  107.306044][   T12] Modules linked in: xfrm_user nf_tables
| [  107.306528][   T12] Tainted: [W]=WARN
[  107.306991][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.307226][   T12] Workqueue: netns cleanup_net
[  107.307450][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.307714][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.308225][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  107.308471][   T12] RAX: 00000000ffffffa6 RBX: ff11000012039000 RCX: 1ff4000000018eed
[  107.308755][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000120390bc
[  107.309015][   T12] RBP: ff11000013329000 R08: 1fe2200002407219 R09: ff11000001aed1d0
[  107.309280][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  107.309554][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.309831][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  107.310121][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.310364][   T12] CR2: 00007fa7f0670000 CR3: 000000004994d002 CR4: 0000000000771ef0
[  107.310635][   T12] PKRU: 55555554
[  107.310826][   T12] Call Trace:
[  107.311002][   T12]  <TASK>
[  107.311152][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.311398][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.311640][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  107.311861][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  107.312071][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.312277][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  107.312488][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.312714][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  107.312988][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.313239][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.313525][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.313794][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.314044][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.314298][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.314559][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.314732][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.314902][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.315069][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.315236][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.315411][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.315581][   T12]  kthread (kernel/kthread.c:436)
[  107.315729][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.315919][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.316082][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.316246][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.316450][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.316621][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.316796][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.339156][   T12] ------------[ cut here ]------------
| [  107.339331][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  107.339629][   T12] Modules linked in: xfrm_user nf_tables
| [  107.340247][   T12] Tainted: [W]=WARN
[  107.340440][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.340708][   T12] Workqueue: netns cleanup_net
[  107.340933][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.341192][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.341746][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  107.342006][   T12] RAX: 00000000ffffffa6 RBX: ff110000120391c0 RCX: 1ff4000000018eaf
[  107.342295][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001203927c
[  107.342603][   T12] RBP: ff1100000f98c000 R08: 1fe2200002407251 R09: ff11000001aed1d0
[  107.342905][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[  107.343180][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000058cc000
[  107.343488][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  107.343814][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.344091][   T12] CR2: 00007fa7f0670000 CR3: 000000004994d002 CR4: 0000000000771ef0
[  107.344357][   T12] PKRU: 55555554
[  107.344494][   T12] Call Trace:
[  107.344640][   T12]  <TASK>
[  107.344765][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.344937][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.345110][   T12]  netif_close_many (net/core/dev.c:1804)
[  107.345280][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.345455][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.345631][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.345814][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  107.345984][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  107.346185][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  107.346393][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.346570][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.346784][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.346955][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.347124][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  107.347331][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  107.347506][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  107.347695][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  107.347864][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  107.348038][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  107.348209][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  107.348390][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.348566][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.348751][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.348925][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.349094][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.349269][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.349475][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.349668][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.349873][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.350042][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.350217][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.350400][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.350580][   T12]  kthread (kernel/kthread.c:436)
[  107.350732][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.350928][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.351131][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.351302][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.351513][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.351698][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.351900][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.355001][   T12] ------------[ cut here ]------------
| [  107.355142][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  107.355387][   T12] Modules linked in: xfrm_user nf_tables
| [  107.355806][   T12] Tainted: [W]=WARN
[  107.355898][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.356052][   T12] Workqueue: netns cleanup_net
[  107.356176][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.356339][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.356779][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  107.356933][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e929a80 RCX: 1ff4000000018eaf
[  107.357115][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e929b3c
[  107.357294][   T12] RBP: ff110000058cc000 R08: 1fe2200001d25369 R09: ff11000001aed1d0
[  107.357478][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[  107.357666][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000133ec000
[  107.357847][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  107.358061][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.358212][   T12] CR2: 000055d3d5b6bd5c CR3: 0000000012d2e002 CR4: 0000000000771ef0
[  107.358404][   T12] PKRU: 55555554
[  107.358495][   T12] Call Trace:
[  107.358588][   T12]  <TASK>
[  107.358658][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.358785][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  107.358906][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.359000][   T12]  netif_close_many (net/core/dev.c:1804)
[  107.359122][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.359243][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.359370][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.359491][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  107.359617][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  107.359776][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  107.359928][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.360054][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.360204][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.360334][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.360454][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  107.360607][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  107.360737][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  107.360860][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  107.360981][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  107.361101][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  107.361224][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  107.361353][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.361474][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.361600][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.361726][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.361847][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.361970][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.362092][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.362216][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.362346][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.362466][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.362595][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.362726][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.362848][   T12]  kthread (kernel/kthread.c:436)
[  107.362940][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.363093][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.363214][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.363341][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.363492][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.363616][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.363743][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.367003][   T12] ------------[ cut here ]------------
| [  107.367138][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  107.367378][   T12] Modules linked in: xfrm_user nf_tables
| [  107.367862][   T12] Tainted: [W]=WARN
[  107.367953][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.368104][   T12] Workqueue: netns cleanup_net
[  107.368229][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.368394][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.368839][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  107.368992][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dff4040 RCX: 1ff4000000018eaf
[  107.369171][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dff40fc
[  107.369355][   T12] RBP: ff110000133ec000 R08: 1fe2200001bfe821 R09: ff11000001aed1d0
[  107.369538][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[  107.369723][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  107.369903][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  107.370116][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.370267][   T12] CR2: 000055d3d5b6bd5c CR3: 0000000012d2e002 CR4: 0000000000771ef0
[  107.370459][   T12] PKRU: 55555554
[  107.370551][   T12] Call Trace:
[  107.370641][   T12]  <TASK>
[  107.370710][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.370830][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[  107.370952][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.371044][   T12]  netif_close_many (net/core/dev.c:1804)
[  107.371165][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.371284][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.371409][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.371533][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  107.371660][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  107.371813][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  107.371964][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.372086][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.372235][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.372361][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.372481][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  107.372633][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[  107.372764][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  107.372887][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  107.373007][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  107.373127][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  107.373249][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  107.373378][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.373507][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.373630][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.373754][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.373875][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.373996][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.374116][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.374236][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.374367][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.374487][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.374615][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.374745][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.374865][   T12]  kthread (kernel/kthread.c:436)
[  107.374954][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.375112][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.375231][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.375356][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.375510][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.375630][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.375753][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.378326][   T12] ------------[ cut here ]------------
| [  107.378536][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  107.378844][   T12] Modules linked in: xfrm_user nf_tables
| [  107.379228][   T12] Tainted: [W]=WARN
[  107.379325][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.379472][   T12] Workqueue: netns cleanup_net
[  107.379601][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.379803][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.380226][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  107.380424][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dff4e40 RCX: 1ff4000000018ed5
[  107.380599][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dff4efc
[  107.380820][   T12] RBP: ff1100000f98c000 R08: 1fe2200001bfe9e1 R09: ff11000001aed1d0
[  107.380992][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  107.381167][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.381347][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  107.381553][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.381747][   T12] CR2: 000055d3d5b6bd5c CR3: 0000000012d2e002 CR4: 0000000000771ef0
[  107.381922][   T12] PKRU: 55555554
[  107.382010][   T12] Call Trace:
[  107.382097][   T12]  <TASK>
[  107.382158][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.382308][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.382458][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.382578][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.382745][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  107.382893][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  107.383011][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  107.383129][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  107.383251][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  107.383375][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  107.383494][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.383617][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.383785][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.383901][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.384023][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.384141][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.384257][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.384380][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.384501][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.384618][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.384827][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.384948][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.385064][   T12]  kthread (kernel/kthread.c:436)
[  107.385153][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.385297][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.385419][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.385543][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.385802][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.385919][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.386034][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.388500][   T12] ------------[ cut here ]------------
| [  107.388682][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  107.388958][   T12] Modules linked in: xfrm_user nf_tables
| [  107.389446][   T12] Tainted: [W]=WARN
[  107.389587][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.389792][   T12] Workqueue: netns cleanup_net
[  107.389962][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.390161][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.390638][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  107.390856][   T12] RAX: 00000000ffffffa6 RBX: ff1100000dff5700 RCX: 1ff4000000018ed5
[  107.391082][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dff57bc
[  107.391301][   T12] RBP: ff110000058cc000 R08: 1fe2200001bfeaf9 R09: ff11000001aed1d0
[  107.391533][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  107.391769][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.391993][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  107.392247][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.392447][   T12] CR2: 00007fa7f0670000 CR3: 000000004994d002 CR4: 0000000000771ef0
[  107.392690][   T12] PKRU: 55555554
[  107.392824][   T12] Call Trace:
[  107.392970][   T12]  <TASK>
[  107.393078][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.393276][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.393472][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.393643][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.393828][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  107.394026][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  107.394195][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  107.394371][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  107.394540][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  107.394722][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  107.394889][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.395053][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.395223][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.395399][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.395572][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.395789][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.395959][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.396128][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.396298][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.396472][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.396647][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.396832][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.397000][   T12]  kthread (kernel/kthread.c:436)
[  107.397136][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.397339][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.397506][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.397691][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.397885][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.398052][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.398222][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.401082][   T12] ------------[ cut here ]------------
| [  107.401241][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [  107.401531][   T12] Modules linked in: xfrm_user nf_tables
| [  107.402022][   T12] Tainted: [W]=WARN
[  107.402156][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.402356][   T12] Workqueue: netns cleanup_net
[  107.402531][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.402749][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.403213][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  107.403413][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e928740 RCX: 1ff4000000018ed5
[  107.403640][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e9287fc
[  107.403873][   T12] RBP: ff110000133ec000 R08: 1fe2200001d25101 R09: ff11000001aed1d0
[  107.404097][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[  107.404326][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.404554][   T12] FS:  0000000000000000(0000) GS:ff110000b1fc7000(0000) knlGS:0000000000000000
[  107.404816][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.405009][   T12] CR2: 00007fa7f0670000 CR3: 000000004994d002 CR4: 0000000000771ef0
[  107.405239][   T12] PKRU: 55555554
[  107.405384][   T12] Call Trace:
[  107.405522][   T12]  <TASK>
[  107.405631][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.405842][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.406035][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.406200][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.406375][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[  107.406582][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  107.406761][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  107.406930][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  107.407096][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  107.407263][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  107.407441][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.407612][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.407792][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.407960][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.408123][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.408293][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.408466][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.408641][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.408823][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.408995][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.409163][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.409340][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.409510][   T12]  kthread (kernel/kthread.c:436)
[  107.409663][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.409856][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.410023][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.410189][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.410387][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.410558][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.410742][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.452999][   T12] ------------[ cut here ]------------
| [  107.453130][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  107.453362][   T12] Modules linked in: xfrm_user nf_tables
| [  107.453757][   T12] Tainted: [W]=WARN
[  107.453845][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.453989][   T12] Workqueue: netns cleanup_net
[  107.454112][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.454264][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.454718][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  107.454864][   T12] RAX: 00000000ffffffa6 RBX: ff11000012a391c0 RCX: 1ff4000000018eed
[  107.455036][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012a3927c
[  107.455209][   T12] RBP: ff11000012744000 R08: 1fe2200002547251 R09: ff11000001aed1d0
[  107.455388][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  107.455566][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.455745][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  107.455951][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.456099][   T12] CR2: 00007f135d3b7f98 CR3: 000000004994d005 CR4: 0000000000771ef0
[  107.456273][   T12] PKRU: 55555554
[  107.456366][   T12] Call Trace:
[  107.456452][   T12]  <TASK>
[  107.456516][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.456672][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.456815][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  107.456931][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  107.457049][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.457164][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  107.457282][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.457404][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  107.457526][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.457639][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.457764][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.457880][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.457997][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.458115][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.458234][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.458360][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.458481][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.458603][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.458727][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.458848][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.458962][   T12]  kthread (kernel/kthread.c:436)
[  107.459050][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.459193][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.459315][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.459432][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.459581][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.459717][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.459833][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.462248][   T12] ------------[ cut here ]------------
| [  107.462383][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  107.462629][   T12] Modules linked in: xfrm_user nf_tables
| [  107.463020][   T12] Tainted: [W]=WARN
[  107.463107][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.463253][   T12] Workqueue: netns cleanup_net
[  107.463380][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.463533][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.464021][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  107.464171][   T12] RAX: 00000000ffffffa6 RBX: ff11000012a38c80 RCX: 1ff4000000018eed
[  107.464350][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012a38d3c
[  107.464524][   T12] RBP: ff11000012729000 R08: 1fe22000025471a9 R09: ff11000001aed1d0
[  107.464749][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  107.464921][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.465095][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[  107.465300][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.465450][   T12] CR2: 00007f84a9843f98 CR3: 000000004994d003 CR4: 0000000000771ef0
[  107.465625][   T12] PKRU: 55555554
[  107.465763][   T12] Call Trace:
[  107.465848][   T12]  <TASK>
[  107.465908][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.466055][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.466200][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  107.466320][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  107.466438][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.466561][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  107.466759][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.466875][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  107.466992][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.467106][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.467223][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.467348][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.467462][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.467582][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.467748][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.467866][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.467985][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.468100][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.468219][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.468344][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.468459][   T12]  kthread (kernel/kthread.c:436)
[  107.468547][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.468723][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.468838][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.468958][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.469101][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.469216][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.469336][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.471491][   T12] ------------[ cut here ]------------
| [  107.471611][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  107.471845][   T12] Modules linked in: xfrm_user nf_tables
| [  107.472223][   T12] Tainted: [W]=WARN
[  107.472308][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.472457][   T12] Workqueue: netns cleanup_net
[  107.472579][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.472744][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.473167][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  107.473316][   T12] RAX: 00000000ffffffa6 RBX: ff11000012a39380 RCX: 1ff4000000018eed
[  107.473489][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012a3943c
[  107.473667][   T12] RBP: ff11000012f94000 R08: 1fe2200002547289 R09: ff11000001aed1d0
[  107.473836][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  107.474007][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.474179][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[  107.474382][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.474538][   T12] CR2: 00007f84a9843f98 CR3: 000000004994d003 CR4: 0000000000771ef0
[  107.474717][   T12] PKRU: 55555554
[  107.474803][   T12] Call Trace:
[  107.474888][   T12]  <TASK>
[  107.474947][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.475101][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.475245][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  107.475366][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  107.475481][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.475597][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  107.475717][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.475832][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  107.475949][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.476065][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.476186][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.476303][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.476420][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.476540][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.476661][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.476777][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.476897][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.477012][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.477130][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.477249][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.477369][   T12]  kthread (kernel/kthread.c:436)
[  107.477456][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.477600][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.477721][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.477836][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.477978][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.478092][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.478212][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.480155][   T12] ------------[ cut here ]------------
| [  107.480269][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [  107.480494][   T12] Modules linked in: xfrm_user nf_tables
| [  107.481731][   T12] Tainted: [W]=WARN
[  107.481824][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.481966][   T12] Workqueue: netns cleanup_net
[  107.482090][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.482237][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.482702][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  107.482846][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ff4c200 RCX: 1ff4000000018eed
[  107.483066][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff4c2bc
[  107.483234][   T12] RBP: ff11000012fb1000 R08: 1fe2200001fe9859 R09: ff11000001aed1d0
[  107.483408][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[  107.483582][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.483802][   T12] FS:  0000000000000000(0000) GS:ff110000b1ec7000(0000) knlGS:0000000000000000
[  107.484001][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.484146][   T12] CR2: 00007f84a9843f98 CR3: 000000004994d003 CR4: 0000000000771ef0
[  107.484324][   T12] PKRU: 55555554
[  107.484410][   T12] Call Trace:
[  107.484494][   T12]  <TASK>
[  107.484558][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.484752][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.484894][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  107.485009][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  107.485125][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.485239][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  107.485360][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.485476][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  107.485596][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.485755][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.485874][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.485990][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.486102][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.486217][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.486337][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.486459][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.486582][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.486746][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.486871][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.486989][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.487108][   T12]  kthread (kernel/kthread.c:436)
[  107.487195][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.487342][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.487458][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.487576][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.487765][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.487879][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.487993][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.504767][   T12] ------------[ cut here ]------------
| [  107.504902][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  107.505133][   T12] Modules linked in: xfrm_user nf_tables
| [  107.505521][   T12] Tainted: [W]=WARN
[  107.505609][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.505764][   T12] Workqueue: netns cleanup_net
[  107.505884][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.506033][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.506451][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[  107.506597][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ff4c580 RCX: 1ff4000000018eed
[  107.506773][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff4c63c
[  107.506942][   T12] RBP: ff110000130ec000 R08: 1fe2200001fe98c9 R09: ff11000001aed1d0
[  107.507117][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[  107.507289][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.507465][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  107.507677][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.507823][   T12] CR2: 00007f84a9843f98 CR3: 000000004994d006 CR4: 0000000000771ef0
[  107.507999][   T12] PKRU: 55555554
[  107.508090][   T12] Call Trace:
[  107.508175][   T12]  <TASK>
[  107.508236][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.508391][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.508536][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[  107.508656][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[  107.508771][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.508886][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[  107.509002][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.509118][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[  107.509234][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.509351][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.509469][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.509588][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.509708][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.509829][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.509948][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.510065][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.510182][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.510298][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.510425][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.510546][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.510666][   T12]  kthread (kernel/kthread.c:436)
[  107.510756][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.510898][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.511018][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.511133][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.511278][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.511399][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.511520][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.528039][   T12] ------------[ cut here ]------------
| [  107.528174][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [  107.528421][   T12] Modules linked in: xfrm_user nf_tables
| [  107.528831][   T12] Tainted: [W]=WARN
[  107.528923][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.529076][   T12] Workqueue: netns cleanup_net
[  107.529202][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.529365][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.529811][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[  107.529963][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ff4c740 RCX: 1ff4000000018eaf
[  107.530145][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff4c7fc
[  107.530331][   T12] RBP: ff110000130c9000 R08: 1fe2200001fe9901 R09: ff11000001aed1d0
[  107.530515][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[  107.530703][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[  107.530884][   T12] FS:  0000000000000000(0000) GS:ff110000b1f47000(0000) knlGS:0000000000000000
[  107.531098][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.531252][   T12] CR2: 00007f84a9843f98 CR3: 000000004994d006 CR4: 0000000000771ef0
[  107.531445][   T12] PKRU: 55555554
[  107.531545][   T12] Call Trace:
[  107.531637][   T12]  <TASK>
[  107.531710][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[  107.531834][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[  107.531928][   T12]  netif_close_many (net/core/dev.c:1804)
[  107.532050][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.532171][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.532293][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.532419][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[  107.532544][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[  107.532703][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[  107.532856][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[  107.532978][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[  107.533100][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[  107.533223][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.533384][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  107.533513][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  107.533637][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  107.533764][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  107.533885][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  107.534014][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  107.534137][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.534258][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.534388][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.534514][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.534635][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.534763][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.534884][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.535007][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.535132][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.535254][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.535389][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.535518][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.535639][   T12]  kthread (kernel/kthread.c:436)
[  107.535737][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.535888][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.536010][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.536133][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.536286][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.536412][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.536537][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [  107.539527][   T12] ------------[ cut here ]------------
| [  107.539667][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [  107.539906][   T12] Modules linked in: xfrm_user nf_tables
| [  107.540303][   T12] Tainted: [W]=WARN
[  107.540399][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  107.540548][   T12] Workqueue: netns cleanup_net
[  107.540680][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[  107.540835][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 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
[  107.541269][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[  107.541423][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ff4d8c0 RCX: 1ff4000000018ed5
[  107.541600][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ff4d97c
[  107.541779][   T12] RBP: ff110000130c9000 R08: 1fe2200001fe9b31 R09: ff11000001aed1d0
[  107.541956][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[  107.542131][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[  107.542307][   T12] FS:  0000000000000000(0000) GS:ff110000b2047000(0000) knlGS:0000000000000000
[  107.542520][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  107.542679][   T12] CR2: 00007f135d3b7f98 CR3: 000000004994d005 CR4: 0000000000771ef0
[  107.542860][   T12] PKRU: 55555554
[  107.542975][   T12] Call Trace:
[  107.543064][   T12]  <TASK>
[  107.543126][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[  107.543278][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[  107.543439][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  107.543563][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[  107.543690][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[  107.543809][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[  107.543928][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[  107.544048][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[  107.544169][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[  107.544287][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[  107.544414][   T12]  cleanup_net (net/core/net_namespace.c:702)
[  107.544537][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[  107.544664][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[  107.544784][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[  107.544902][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[  107.545024][   T12]  process_one_work (kernel/workqueue.c:3314)
[  107.545147][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[  107.545266][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[  107.545396][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[  107.545522][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[  107.545644][   T12]  kthread (kernel/kthread.c:436)
[  107.545738][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[  107.545884][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[  107.546003][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[  107.546122][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[  107.546269][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[  107.546394][   T12]  ? 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:__dev_notify_flags:rtnl_configure_link:veth_newlink
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:ops_undo_list:cleanup_net:process_one_work
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:__linkwatch_run_queue:linkwatch_event
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: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